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9 Commits

Author SHA1 Message Date
Matthias Clasen 10c43ba4ae Clean up headers
Move the private scrollinfo api to just the private
header, and include it where needed.
2023-08-04 21:51:35 -04:00
Matthias Clasen 84518ac231 scrollinfo: Add missing annotations 2023-08-04 21:51:35 -04:00
Matthias Clasen bc550cfa04 Add gtk_column_view_scroll_to
This function takes a column as well, to allow
for horizontal scrolling (not currently implemented).
2023-08-04 21:51:35 -04:00
Matthias Clasen e8a2617a8a Add gtk_grid_view_scroll_to
This does the same as gtk_list_view_scroll_to, just
for a grid view.
2023-08-04 21:51:35 -04:00
Benjamin Otte 4e05a96361 gtk-demo: Make arrowing in suggestionentry scroll the dropdown 2023-08-04 21:16:12 -04:00
Benjamin Otte 9d5ee049ef listview: Implement gtk_list_view_scroll_to()
This adds a flags enum so we can also do select/focus at the same time.

It's implemented in GtkListBase, so adding support forgridview should be
easy.
2023-08-04 21:16:12 -04:00
Benjamin Otte 94a27a132a viewport: Use gtk_viewport_scroll_to() for focus scrolling 2023-08-04 21:16:12 -04:00
Benjamin Otte 1d5e5fcede viewport: Add gtk_viewport_scroll_to()
First implementation of GtkScrollInfo
2023-08-04 21:16:12 -04:00
Benjamin Otte 464a4fe4b6 gtk: Add GtkScrollInfo
This struct carries information about scrolling a scrollable, so that
individual scrollables can share this struct for their scrolling APIs.

For now, there's not much information here, we're still trying to cook
up an API that works well.
2023-08-04 21:16:12 -04:00
235 changed files with 14123 additions and 38493 deletions
+10 -30
View File
@@ -30,16 +30,8 @@ variables:
workflow:
rules:
# run merge request pipelines
- if: $CI_PIPELINE_SOURCE == "merge_request_event"
# do not run branch pipelines if corresponding merge requests exist...
# (this avoids duplicate pipelines)
- if: $CI_COMMIT_BRANCH && $CI_OPEN_MERGE_REQUESTS
when: never
# ...but otherwise run branch pipelines
- if: $CI_COMMIT_BRANCH
# run tag pipelines
- if: $CI_COMMIT_TAG
- if: $CI_COMMIT_BRANCH
default:
retry:
@@ -205,32 +197,21 @@ msys2-mingw64:
paths:
- "${CI_PROJECT_DIR}/_build/gtkdll.tar.gz"
macos-x86_64:
macos:
# Sadly, this fails regularly, and its failure is never enlightening
allow_failure: true
rules:
# run merge request pipelines
- if: $CI_PIPELINE_SOURCE == "merge_request_event"
# do not run in forks
- if: $CI_PROJECT_NAMESPACE == "GNOME"
stage: build
tags:
- macosintel
- macos
needs: []
variables:
MESON_FORCE_BACKTRACKE: 1
TMPDIR: /Users/Shared/work/tmp
SDKROOT: /opt/sdks/MacOSX10.13.4.sdk
CCACHE_DIR: /Users/Shared/work/ccache
PIP_CACHE_DIR: /Users/Shared/build/cache
PIPENV_CACHE_DIR: $PIP_CACHE_DIR
PYTHONPYCACHEPREFIX: $PIP_CACHE_DIR
before_script:
- bash .gitlab-ci/show-info-osx.sh
- python3 -m venv .venv
- ln -s /opt/cmake/CMake.app/Contents/bin/cmake .venv/bin
- ln -s /opt/ccache/ccache .venv/bin
- source .venv/bin/activate
- pip3 install meson==1.2.0
- pip3 install ninja==1.11.1
- pip3 install --user meson~=1.0
- pip3 install --user ninja
- export PATH=/Users/gitlabrunner/Library/Python/3.7/bin:$PATH
- export MESON_FORCE_BACKTRACE=1
script:
- meson setup ${COMMON_MESON_FLAGS}
-Dx11-backend=false
@@ -437,11 +418,10 @@ reference:
--buildtype=release
--force-fallback-for=gdk-pixbuf,pango
-Dintrospection=enabled
-Ddocumentation=true
-Dgtk_doc=true
-Dgdk-pixbuf:gtk_doc=true
-Dpango:gtk_doc=true
-Dbuild-demos=false
-Ddemos=false
-Dbuild-examples=false
-Dbuild-tests=false
-Dbuild-testsuite=false
+1 -1
View File
@@ -6,7 +6,7 @@ call "C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Auxiliar
:: FIXME: make warnings fatal
pip3 install --upgrade --user meson~=0.64 || goto :error
meson setup -Dbackend_max_links=1 -Ddebug=false -Dmedia-gstreamer=disabled _build || goto :error
meson -Ddebug=false -Dmedia-gstreamer=disabled _build || goto :error
ninja -C _build || goto :error
goto :EOF
+1 -208
View File
@@ -1,213 +1,6 @@
Overview of Changes in 4.13.1, xx-xx-xxxx
Overview of Changes in 4.11.5, xx-xx-xxxx
=========================================
Overview of Changes in 4.13.0, 25-08-2023
=========================================
* GskPath, GskPathBuilder, GskPathMeasure:
Data types and APIs for path rendering. These APIs are still
considered experimental, and may change until 4.14. Please try
them out and give us feedback. Documentation can be found
here: https://docs.gtk.org/gsk4/paths.html
* GtkGridView:
- Fix a crash when scrolling
* GtkColumnView:
- Fix a refcounting issue in the new scroll_to api
* GtkTreeView
- Fix style classes for sort arrows
* GtkEntry:
- Improve tracking of user changes (for undo)
* GtkNotebook:
- Fix a critical when switching pages
* GtkColor/FontDialogButton:
- Make these widgets activatable
* GtkMenuButton:
- Fix problems with focus handling
- Fix problems with DND
- Make flags a settable property
* GtkShortcutsWindow:
- Add API to build shortcuts windows programmatically
* Printing
- Fix the cpdb backend build
* MacOS:
- Make file filters work again
* GSK:
- Fix issues with color matrix nodes
* Wayland:
- Fix a crash with compositors other than gnome-shell
* Deprecations:
- Remaining GtkTreeModel-related types
* Demos:
- Add a few path demos to gtk4-demo
* Tools:
- gtk4-path-tool provides a commandline interface for paths
* Translation updates:
Basque
Catalan
Finnish
Galician
Georgian
German
Greek
Indonesian
Kazakh
Persian
Polish
Romanian
Spanish
Swedish
Turkish
Ukrainian
Overview of Changes in 4.12.0, 05-08-2023
=========================================
* List widgets:
- Add scroll_to APIs
* GtkFileLauncher:
- Add an always-ask property
* GtkTextView:
- Make backspace behavior match GtkEntry
* gsk:
- Fix handling of luminance in mask nodes
* Text rendering:
- Automate the setting of gtk-hint-font-metrics from the
scale factor. This improves font rendering in flatpaks
* Wayland:
- Fix behavior of stylus buttons
- Support suspended window state
* Vulkan:
- Many improvements
* Tools:
- Add gtk4-rendernode-tool
* Debugging:
- Drop the GTK_DEBUG_TOUCHSCREEN flag
* Build:
- Some build options have been renamed:
gtk_doc -> documentation
update_screenshots -> screenshots
The old names still work
* Translation updates:
Georgian
Greek
Hebrew
Persian
Vietnamese
* Contributors:
Aleksandr Melman
Alexander Mikhaylenko
Alexander Shopov
Alexandre Franke
Alice Mikhaylenko
António Fernandes
Arjan Molenaar
Asier Sarasua Garmendia
Balázs Meskó
Balázs Úr
Barnabás Pőcze
Bart Jacobs
Benjamin Otte
Bilal Elmoussaoui
Boyuan Yang
Bruce Cowan
Calvin Walton
Cam Cook
Chris Mayo
Christian Hergert
Christopher Davis
Chun-wei Fan
Corey Berla
Danial Behzadi
Daniel Boles
Daniel Rusek
Efstathios Iosifidis
Ekaterine Papava
Emin Tufan Çetin
Emmanuele Bassi
Erik Schilling
Fabio Tomat
FeRD (Frank Dana)
Fina Wilke
FineFindus
Fran Dieguez
G.Willems
Georges Basile Stavracas Neto
Guillaume Bernard
Hugo Carvalho
Ivan Molodetskikh
Jason Francis
Jonas Ådahl
Jordan Petridis
Jordi Mas
José Expósito
José Roberto de Souza
Khalid Abu Shawarib
Kévin Commaille
Leônidas Araújo
Luca Bacci
Ludovico de Nittis
Lukáš Tyrychtr
Marc-André Lureau
Marco Trevisan (Treviño)
Matt Turner
Matthias Clasen
Maximiliano Sandoval R
Michael Catanzaro
Michel Dänzer
Mohammed Sadiq
Nathan Follens
Nelson Benítez León
Ngọc Quân Trần
Niels De Graef
Olivier Crête
Patrick Griffis
Piotr Drąg
Sabri Ünal
Sebastian Keller
Sophie Herold
Sébastien Le Roux
Takao Fujiwara
Thomas Lange
Yiğit Burak
Yosef Or Boczko
Yuri Chornoivan
Zander Brown
al_SeveR
dgsasha
sumibi-yakitori
tszymanski
velsinki
Алексей Шилин
Арсений Засыпкин
Overview of Changes in 4.11.4, 03-07-2023
=========================================
+12 -11
View File
@@ -67,13 +67,6 @@ building for:
- [Graphene](https://github.com/ebassi/graphene)
- [Xkb-common](https://github.com/xkbcommon/libxkbcommon)
If you are building the Wayland backend, you will also need:
- Wayland-client
- Wayland-protocols
- Wayland-cursor
- Wayland-EGL
If you are building the X11 backend, you will also need:
- Xlib, and the following X extensions:
@@ -86,24 +79,32 @@ If you are building the X11 backend, you will also need:
- xdamage
- xcomposite
If you are building the Wayland backend, you will also need:
- Wayland-client
- Wayland-protocols
- Wayland-cursor
- Wayland-EGL
Once you have all the necessary dependencies, you can build GTK by using
Meson:
```sh
$ meson setup _build
$ meson compile -C_build
$ meson _build .
$ cd _build
$ ninja
```
You can run the test suite using:
```sh
$ meson test -C_build
$ meson test
```
And, finally, you can install GTK using:
```
$ sudo meson install -C_build
$ sudo ninja install
```
Complete information about installing GTK and related libraries
-11
View File
@@ -335,10 +335,6 @@
<file>paintable_symbolic.c</file>
<file>panes.c</file>
<file>password_entry.c</file>
<file>path_fill.c</file>
<file>path_spinner.c</file>
<file>path_walk.c</file>
<file>path_text.c</file>
<file>peg_solitaire.c</file>
<file>pickers.c</file>
<file>printing.c</file>
@@ -424,13 +420,6 @@
<gresource prefix="/fontrendering">
<file>fontrendering.ui</file>
</gresource>
<gresource prefix="/path_walk">
<file>path_walk.ui</file>
<file compressed="true">path_world.txt</file>
</gresource>
<gresource prefix="/path_text">
<file>path_text.ui</file>
</gresource>
<gresource prefix="/org/gtk/Demo4">
<file>icons/16x16/actions/application-exit.png</file>
<file>icons/16x16/actions/document-new.png</file>
+14 -14
View File
@@ -840,24 +840,24 @@ gtk_gears_unrealize (GtkWidget *widget)
GtkGearsPrivate *priv = gtk_gears_get_instance_private ((GtkGears *) widget);
gtk_gl_area_make_current (glarea);
if (gtk_gl_area_get_error (glarea) == NULL)
{
/* Release the resources associated with OpenGL */
if (priv->gear_vbo[0] != 0)
glDeleteBuffers (1, &(priv->gear_vbo[0]));
if (gtk_gl_area_get_error (glarea) != NULL)
return;
if (priv->gear_vbo[1] != 0)
glDeleteBuffers (1, &(priv->gear_vbo[1]));
/* Release the resources associated with OpenGL */
if (priv->gear_vbo[0] != 0)
glDeleteBuffers (1, &(priv->gear_vbo[0]));
if (priv->gear_vbo[2] != 0)
glDeleteBuffers (1, &(priv->gear_vbo[2]));
if (priv->gear_vbo[1] != 0)
glDeleteBuffers (1, &(priv->gear_vbo[1]));
if (priv->vao != 0)
glDeleteVertexArrays (1, &priv->vao);
if (priv->gear_vbo[2] != 0)
glDeleteBuffers (1, &(priv->gear_vbo[2]));
if (priv->program != 0)
glDeleteProgram (priv->program);
}
if (priv->vao != 0)
glDeleteVertexArrays (1, &priv->vao);
if (priv->program != 0)
glDeleteProgram (priv->program);
priv->ModelViewProjectionMatrix_location = 0;
priv->NormalMatrix_location = 0;
-4
View File
@@ -72,10 +72,6 @@ demos = files([
'paintable_symbolic.c',
'panes.c',
'password_entry.c',
'path_fill.c',
'path_spinner.c',
'path_walk.c',
'path_text.c',
'peg_solitaire.c',
'pickers.c',
'printing.c',
-198
View File
@@ -1,198 +0,0 @@
/* Path/Fill and Stroke
*
* This demo shows how to use GskPath to draw shapes that are (a bit)
* more complex than a rounded rectangle.
*/
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include "paintable.h"
#define GTK_TYPE_LOGO_PAINTABLE (gtk_logo_paintable_get_type ())
G_DECLARE_FINAL_TYPE (GtkLogoPaintable, gtk_logo_paintable, GTK, LOGO_PAINTABLE, GObject)
struct _GtkLogoPaintable
{
GObject parent_instance;
int width;
int height;
GskPath *path[3];
GdkRGBA color[3];
GskPath *stroke_path;
GskStroke *stroke1;
GskStroke *stroke2;
GdkRGBA stroke_color;
};
struct _GtkLogoPaintableClass
{
GObjectClass parent_class;
};
static int
gtk_logo_paintable_get_intrinsic_width (GdkPaintable *paintable)
{
GtkLogoPaintable *self = GTK_LOGO_PAINTABLE (paintable);
return self->width;
}
static int
gtk_logo_paintable_get_intrinsic_height (GdkPaintable *paintable)
{
GtkLogoPaintable *self = GTK_LOGO_PAINTABLE (paintable);
return self->height;
}
static void
gtk_logo_paintable_snapshot (GdkPaintable *paintable,
GdkSnapshot *snapshot,
double width,
double height)
{
GtkLogoPaintable *self = GTK_LOGO_PAINTABLE (paintable);
for (unsigned int i = 0; i < 3; i++)
{
gtk_snapshot_push_fill (snapshot, self->path[i], GSK_FILL_RULE_WINDING);
gtk_snapshot_append_color (snapshot,
&self->color[i],
&GRAPHENE_RECT_INIT (0, 0, width, height));
gtk_snapshot_pop (snapshot);
}
for (unsigned int i = 0; i < 3; i++)
{
gtk_snapshot_push_stroke (snapshot, self->stroke_path, self->stroke1);
gtk_snapshot_append_color (snapshot,
&self->stroke_color,
&GRAPHENE_RECT_INIT (0, 0, width, height));
gtk_snapshot_pop (snapshot);
}
gtk_snapshot_push_stroke (snapshot, self->stroke_path, self->stroke2);
gtk_snapshot_append_color (snapshot,
&self->stroke_color,
&GRAPHENE_RECT_INIT (0, 0, width, height));
gtk_snapshot_pop (snapshot);
}
static GdkPaintableFlags
gtk_logo_paintable_get_flags (GdkPaintable *paintable)
{
return GDK_PAINTABLE_STATIC_CONTENTS | GDK_PAINTABLE_STATIC_SIZE;
}
static void
gtk_logo_paintable_paintable_init (GdkPaintableInterface *iface)
{
iface->get_intrinsic_width = gtk_logo_paintable_get_intrinsic_width;
iface->get_intrinsic_height = gtk_logo_paintable_get_intrinsic_height;
iface->snapshot = gtk_logo_paintable_snapshot;
iface->get_flags = gtk_logo_paintable_get_flags;
}
/* When defining the GType, we need to implement the GdkPaintable interface */
G_DEFINE_TYPE_WITH_CODE (GtkLogoPaintable, gtk_logo_paintable, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (GDK_TYPE_PAINTABLE,
gtk_logo_paintable_paintable_init))
static void
gtk_logo_paintable_dispose (GObject *object)
{
GtkLogoPaintable *self = GTK_LOGO_PAINTABLE (object);
for (unsigned int i = 0; i < 3; i++)
gsk_path_unref (self->path[i]);
gsk_path_unref (self->stroke_path);
gsk_stroke_free (self->stroke1);
gsk_stroke_free (self->stroke2);
G_OBJECT_CLASS (gtk_logo_paintable_parent_class)->dispose (object);
}
static void
gtk_logo_paintable_class_init (GtkLogoPaintableClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = gtk_logo_paintable_dispose;
}
static void
gtk_logo_paintable_init (GtkLogoPaintable *self)
{
}
static GdkPaintable *
gtk_logo_paintable_new (void)
{
GtkLogoPaintable *self;
graphene_rect_t bounds, bounds2;
self = g_object_new (GTK_TYPE_LOGO_PAINTABLE, NULL);
/* Paths and colors extracted from gtk-logo.svg */
self->path[0] = gsk_path_parse ("m3.12,66.17 -2.06,-51.46 32.93,24.7 v55.58 l-30.87,-28.82 z");
self->path[1] = gsk_path_parse ("m34,95 49.4,-20.58 4.12,-51.46 -53.52,16.47 v55.58 z");
self->path[2] = gsk_path_parse ("m1.06,14.71 32.93,24.7 53.52,-16.47 -36.75,-21.88 -49.7,13.65 z");
gdk_rgba_parse (&self->color[0], "#e40000");
gdk_rgba_parse (&self->color[1], "#7fe719");
gdk_rgba_parse (&self->color[2], "#729fcf");
self->stroke_path = gsk_path_parse ("m50.6,51.3 -47.3,14 z l33,23 z v-50");
self->stroke1 = gsk_stroke_new (2.12);
self->stroke2 = gsk_stroke_new (1.25);
gdk_rgba_parse (&self->stroke_color, "#ffffff");
gsk_path_get_stroke_bounds (self->path[0], self->stroke1, &bounds);
gsk_path_get_stroke_bounds (self->path[1], self->stroke1, &bounds2);
graphene_rect_union (&bounds, &bounds2, &bounds);
gsk_path_get_stroke_bounds (self->path[2], self->stroke1, &bounds2);
graphene_rect_union (&bounds, &bounds2, &bounds);
gsk_path_get_stroke_bounds (self->stroke_path, self->stroke2, &bounds2);
graphene_rect_union (&bounds, &bounds2, &bounds);
self->width = bounds.origin.x + bounds.size.width;
self->height = bounds.origin.y + bounds.size.height;
return GDK_PAINTABLE (self);
}
GtkWidget *
do_path_fill (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
if (!window)
{
GtkWidget *picture;
GdkPaintable *paintable;
window = gtk_window_new ();
gtk_window_set_resizable (GTK_WINDOW (window), TRUE);
gtk_window_set_title (GTK_WINDOW (window), "Fill and Stroke");
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
paintable = gtk_logo_paintable_new ();
picture = gtk_picture_new_for_paintable (paintable);
gtk_picture_set_content_fit (GTK_PICTURE (picture), GTK_CONTENT_FIT_CONTAIN);
gtk_picture_set_can_shrink (GTK_PICTURE (picture), FALSE);
g_object_unref (paintable);
gtk_window_set_child (GTK_WINDOW (window), picture);
}
if (!gtk_widget_get_visible (window))
gtk_window_present (GTK_WINDOW (window));
else
gtk_window_destroy (GTK_WINDOW (window));
return window;
}
-331
View File
@@ -1,331 +0,0 @@
/* Path/Spinner
*
* This demo shows how to use GskPath to draw a simple animation
* that could be used as a spinner.
*/
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include "paintable.h"
#define GTK_TYPE_SPINNER_PAINTABLE (gtk_spinner_paintable_get_type ())
G_DECLARE_FINAL_TYPE (GtkSpinnerPaintable, gtk_spinner_paintable, GTK, SPINNER_PAINTABLE, GObject)
struct _GtkSpinnerPaintable
{
GObject parent_instance;
gint64 start_time;
int width;
double angle;
double completion;
GskPath *circle;
GskPath *path;
GskStroke *stroke;
GdkRGBA color;
GdkRGBA circle_color;
#ifdef SHOW_CONTROLS
GskPath *controls;
GdkRGBA control_color;
#endif
};
struct _GtkSpinnerPaintableClass
{
GObjectClass parent_class;
};
static int
gtk_spinner_paintable_get_intrinsic_width (GdkPaintable *paintable)
{
GtkSpinnerPaintable *self = GTK_SPINNER_PAINTABLE (paintable);
return self->width;
}
static int
gtk_spinner_paintable_get_intrinsic_height (GdkPaintable *paintable)
{
GtkSpinnerPaintable *self = GTK_SPINNER_PAINTABLE (paintable);
return self->width;
}
static void
gtk_spinner_paintable_snapshot (GdkPaintable *paintable,
GdkSnapshot *snapshot,
double width,
double height)
{
GtkSpinnerPaintable *self = GTK_SPINNER_PAINTABLE (paintable);
gtk_snapshot_append_stroke (snapshot, self->circle, self->stroke, &self->circle_color);
gtk_snapshot_append_stroke (snapshot, self->path, self->stroke, &self->color);
#ifdef SHOW_CONTROLS
GskStroke *stroke = gsk_stroke_new (1);
gtk_snapshot_append_stroke (snapshot, self->controls, stroke, &self->control_color);
gsk_stroke_free (stroke);
#endif
}
static GdkPaintableFlags
gtk_spinner_paintable_get_flags (GdkPaintable *paintable)
{
return GDK_PAINTABLE_STATIC_SIZE;
}
static void
gtk_spinner_paintable_paintable_init (GdkPaintableInterface *iface)
{
iface->get_intrinsic_width = gtk_spinner_paintable_get_intrinsic_width;
iface->get_intrinsic_height = gtk_spinner_paintable_get_intrinsic_height;
iface->snapshot = gtk_spinner_paintable_snapshot;
iface->get_flags = gtk_spinner_paintable_get_flags;
}
/* When defining the GType, we need to implement the GdkPaintable interface */
G_DEFINE_TYPE_WITH_CODE (GtkSpinnerPaintable, gtk_spinner_paintable, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (GDK_TYPE_PAINTABLE,
gtk_spinner_paintable_paintable_init))
static void
gtk_spinner_paintable_dispose (GObject *object)
{
GtkSpinnerPaintable *self = GTK_SPINNER_PAINTABLE (object);
gsk_path_unref (self->circle);
gsk_path_unref (self->path);
#ifdef SHOW_CONTROLS
gsk_path_unref (self->controls);
#endif
gsk_stroke_free (self->stroke);
G_OBJECT_CLASS (gtk_spinner_paintable_parent_class)->dispose (object);
}
static void
gtk_spinner_paintable_class_init (GtkSpinnerPaintableClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = gtk_spinner_paintable_dispose;
}
static void
gtk_spinner_paintable_init (GtkSpinnerPaintable *self)
{
}
static GdkPaintable *
gtk_spinner_paintable_new (void)
{
GtkSpinnerPaintable *self;
GskPathBuilder *builder;
self = g_object_new (GTK_TYPE_SPINNER_PAINTABLE, NULL);
builder = gsk_path_builder_new ();
gsk_path_builder_add_circle (builder, &GRAPHENE_POINT_INIT (50, 50), 40);
self->circle = gsk_path_builder_free_to_path (builder);
self->width = 100;
self->angle = 0;
self->completion = 1;
gdk_rgba_parse (&self->color, "green");
gdk_rgba_parse (&self->circle_color, "lightgray");
#ifdef SHOW_CONTROLS
gdk_rgba_parse (&self->control_color, "black");
#endif
self->stroke = gsk_stroke_new (5);
return GDK_PAINTABLE (self);
}
#ifdef SHOW_CONTROLS
static gboolean
add_controls (GskPathOperation op,
const graphene_point_t *pts,
gsize n_pts,
gpointer data)
{
GskPathBuilder *builder = data;
switch (op)
{
case GSK_PATH_MOVE:
gsk_path_builder_move_to (builder, pts[0].x, pts[0].y);
break;
case GSK_PATH_CLOSE:
case GSK_PATH_LINE:
gsk_path_builder_line_to (builder, pts[1].x, pts[1].y);
break;
case GSK_PATH_QUAD:
case GSK_PATH_ARC:
gsk_path_builder_line_to (builder, pts[1].x, pts[1].y);
gsk_path_builder_line_to (builder, pts[2].x, pts[2].y);
break;
case GSK_PATH_CUBIC:
gsk_path_builder_line_to (builder, pts[1].x, pts[1].y);
gsk_path_builder_line_to (builder, pts[2].x, pts[2].y);
gsk_path_builder_line_to (builder, pts[3].x, pts[3].y);
break;
default:
g_assert_not_reached ();
}
return TRUE;
}
#endif
static void
update_path (GtkSpinnerPaintable *self)
{
GskPathBuilder *builder;
GskPathPoint start, end;
GskTransform *t;
graphene_point_t p, p0, p1;
float start_angle, end_angle;
p = GRAPHENE_POINT_INIT (40, 0);
start_angle = self->angle;
end_angle = fmod (self->angle + 360 * self->completion / 100, 360);
t = gsk_transform_translate (
gsk_transform_rotate (
gsk_transform_translate (NULL, &GRAPHENE_POINT_INIT (50, 50)),
start_angle),
&GRAPHENE_POINT_INIT (-50, -50));
gsk_transform_transform_point (t, &p, &p0);
t = gsk_transform_translate (
gsk_transform_rotate (
gsk_transform_translate (NULL, &GRAPHENE_POINT_INIT (50, 50)),
end_angle),
&GRAPHENE_POINT_INIT (-50, -50));
gsk_transform_transform_point (t, &p, &p1);
g_clear_pointer (&self->path, gsk_path_unref);
gsk_path_get_closest_point (self->circle, &p0, INFINITY, &start);
gsk_path_get_closest_point (self->circle, &p1, INFINITY, &end);
builder = gsk_path_builder_new ();
gsk_path_builder_add_segment (builder, self->circle, &start, &end);
self->path = gsk_path_builder_free_to_path (builder);
#ifdef SHOW_CONTROLS
g_clear_pointer (&self->controls, gsk_path_unref);
builder = gsk_path_builder_new ();
gsk_path_foreach (self->path, -1, add_controls, builder);
self->controls = gsk_path_builder_free_to_path (builder);
#endif
gdk_paintable_invalidate_contents (GDK_PAINTABLE (self));
}
static void
gtk_spinner_paintable_set_completion (GtkSpinnerPaintable *self,
float completion)
{
self->completion = CLAMP (completion, 0, 100);
update_path (self);
}
static float
gtk_spinner_paintable_get_completion (GtkSpinnerPaintable *self)
{
return self->completion;
}
static void
gtk_spinner_paintable_set_frame_time (GtkSpinnerPaintable *self,
gint64 time)
{
double delta;
if (self->start_time == 0)
self->start_time = time;
delta = (time - self->start_time) / (double) G_TIME_SPAN_SECOND;
self->angle = fmod (60 * delta, 360);
update_path (self);
}
static gboolean
tick_cb (GtkWidget *widget,
GdkFrameClock *clock,
gpointer data)
{
GtkSpinnerPaintable *self = data;
gtk_spinner_paintable_set_frame_time (self, gdk_frame_clock_get_frame_time (clock));
return G_SOURCE_CONTINUE;
}
static gboolean
progress_timeout (gpointer data)
{
GtkSpinnerPaintable *self = data;
static float progress_delta = 0.5;
float progress;
progress = gtk_spinner_paintable_get_completion (self);
if (progress >= 100 || progress <= 0)
progress_delta = -progress_delta;
gtk_spinner_paintable_set_completion (self, progress + progress_delta);
return G_SOURCE_CONTINUE;
}
static void
unset_timeout (gpointer data)
{
g_source_remove (GPOINTER_TO_UINT (data));
}
GtkWidget *
do_path_spinner (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
if (!window)
{
GtkWidget *picture;
GdkPaintable *paintable;
guint timeout_id;
window = gtk_window_new ();
gtk_window_set_resizable (GTK_WINDOW (window), TRUE);
gtk_window_set_title (GTK_WINDOW (window), "Spinner");
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
paintable = gtk_spinner_paintable_new ();
picture = gtk_picture_new_for_paintable (paintable);
gtk_picture_set_content_fit (GTK_PICTURE (picture), GTK_CONTENT_FIT_CONTAIN);
gtk_picture_set_can_shrink (GTK_PICTURE (picture), FALSE);
g_object_unref (paintable);
gtk_widget_add_tick_callback (picture, tick_cb, paintable, NULL);
timeout_id = g_timeout_add (100, progress_timeout, paintable);
g_object_set_data_full (G_OBJECT (picture), "timeout", GUINT_TO_POINTER (timeout_id), unset_timeout);
gtk_window_set_child (GTK_WINDOW (window), picture);
}
if (!gtk_widget_get_visible (window))
gtk_window_present (GTK_WINDOW (window));
else
gtk_window_destroy (GTK_WINDOW (window));
return window;
}
-586
View File
@@ -1,586 +0,0 @@
/* Path/Text
*
* This demo shows how to use GskPath to transform a path along another path.
*
* It also demonstrates that paths can be filled with more interesting
* content than just plain colors.
*/
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#define GTK_TYPE_PATH_WIDGET (gtk_path_widget_get_type ())
G_DECLARE_FINAL_TYPE (GtkPathWidget, gtk_path_widget, GTK, PATH_WIDGET, GtkWidget)
#define POINT_SIZE 8
enum {
PROP_0,
PROP_TEXT,
PROP_EDITABLE,
N_PROPS
};
struct _GtkPathWidget
{
GtkWidget parent_instance;
char *text;
gboolean editable;
graphene_point_t points[4];
guint active_point;
GskPath *line_path;
GskPath *text_path;
GdkPaintable *background;
};
struct _GtkPathWidgetClass
{
GtkWidgetClass parent_class;
};
static GParamSpec *properties[N_PROPS] = { NULL, };
G_DEFINE_TYPE (GtkPathWidget, gtk_path_widget, GTK_TYPE_WIDGET)
static GskPath *
create_path_from_text (GtkWidget *widget,
const char *text,
graphene_point_t *out_offset)
{
PangoLayout *layout;
PangoFontDescription *desc;
GskPathBuilder *builder;
GskPath *result;
layout = gtk_widget_create_pango_layout (widget, text);
desc = pango_font_description_from_string ("sans bold 36");
pango_layout_set_font_description (layout, desc);
pango_font_description_free (desc);
builder = gsk_path_builder_new ();
gsk_path_builder_add_layout (builder, layout);
result = gsk_path_builder_free_to_path (builder);
if (out_offset)
graphene_point_init (out_offset, 0, - pango_layout_get_baseline (layout) / (double) PANGO_SCALE);
g_object_unref (layout);
return result;
}
typedef struct
{
GskPathMeasure *measure;
GskPathBuilder *builder;
graphene_point_t offset;
double scale;
} GtkPathTransform;
static void
gtk_path_transform_point (GskPathMeasure *measure,
const graphene_point_t *pt,
const graphene_point_t *offset,
float scale,
graphene_point_t *res)
{
graphene_vec2_t tangent;
GskPathPoint point;
if (gsk_path_measure_get_point (measure, (pt->x + offset->x) * scale, &point))
{
GskPath *path = gsk_path_measure_get_path (measure);
gsk_path_point_get_position (&point, path, res);
gsk_path_point_get_tangent (&point, path, GSK_PATH_TO_END, &tangent);
res->x -= (pt->y + offset->y) * scale * graphene_vec2_get_y (&tangent);
res->y += (pt->y + offset->y) * scale * graphene_vec2_get_x (&tangent);
}
}
static gboolean
gtk_path_transform_op (GskPathOperation op,
const graphene_point_t *pts,
gsize n_pts,
float weight,
gpointer data)
{
GtkPathTransform *transform = data;
switch (op)
{
case GSK_PATH_MOVE:
{
graphene_point_t res;
gtk_path_transform_point (transform->measure, &pts[0], &transform->offset, transform->scale, &res);
gsk_path_builder_move_to (transform->builder, res.x, res.y);
}
break;
case GSK_PATH_LINE:
{
graphene_point_t res;
gtk_path_transform_point (transform->measure, &pts[1], &transform->offset, transform->scale, &res);
gsk_path_builder_line_to (transform->builder, res.x, res.y);
}
break;
case GSK_PATH_QUAD:
{
graphene_point_t res[2];
gtk_path_transform_point (transform->measure, &pts[1], &transform->offset, transform->scale, &res[0]);
gtk_path_transform_point (transform->measure, &pts[2], &transform->offset, transform->scale, &res[1]);
gsk_path_builder_quad_to (transform->builder, res[0].x, res[0].y, res[1].x, res[1].y);
}
break;
case GSK_PATH_CUBIC:
{
graphene_point_t res[3];
gtk_path_transform_point (transform->measure, &pts[1], &transform->offset, transform->scale, &res[0]);
gtk_path_transform_point (transform->measure, &pts[2], &transform->offset, transform->scale, &res[1]);
gtk_path_transform_point (transform->measure, &pts[3], &transform->offset, transform->scale, &res[2]);
gsk_path_builder_cubic_to (transform->builder, res[0].x, res[0].y, res[1].x, res[1].y, res[2].x, res[2].y);
}
break;
case GSK_PATH_CONIC:
{
graphene_point_t res[2];
gtk_path_transform_point (transform->measure, &pts[1], &transform->offset, transform->scale, &res[0]);
gtk_path_transform_point (transform->measure, &pts[3], &transform->offset, transform->scale, &res[1]);
gsk_path_builder_conic_to (transform->builder, res[0].x, res[0].y, res[1].x, res[1].y, weight);
}
break;
case GSK_PATH_CLOSE:
gsk_path_builder_close (transform->builder);
break;
default:
g_assert_not_reached();
return FALSE;
}
return TRUE;
}
static GskPath *
gtk_path_transform (GskPath *line_path,
GskPath *path,
const graphene_point_t *offset)
{
GskPathMeasure *measure = gsk_path_measure_new (line_path);
GtkPathTransform transform = { measure, gsk_path_builder_new (), *offset };
graphene_rect_t bounds;
gsk_path_get_bounds (path, &bounds);
if (bounds.origin.x + bounds.size.width > 0)
transform.scale = gsk_path_measure_get_length (measure) / (bounds.origin.x + bounds.size.width);
else
transform.scale = 1.0f;
gsk_path_foreach (path, -1, gtk_path_transform_op, &transform);
gsk_path_measure_unref (measure);
return gsk_path_builder_free_to_path (transform.builder);
}
static void
gtk_path_widget_clear_text_path (GtkPathWidget *self)
{
g_clear_pointer (&self->text_path, gsk_path_unref);
}
static void
gtk_path_widget_clear_paths (GtkPathWidget *self)
{
gtk_path_widget_clear_text_path (self);
g_clear_pointer (&self->line_path, gsk_path_unref);
}
static void
gtk_path_widget_create_text_path (GtkPathWidget *self)
{
GskPath *path;
graphene_point_t offset;
gtk_path_widget_clear_text_path (self);
path = create_path_from_text (GTK_WIDGET (self), self->text, &offset);
self->text_path = gtk_path_transform (self->line_path, path, &offset);
gsk_path_unref (path);
}
static void
gtk_path_widget_create_paths (GtkPathWidget *self)
{
double width = gtk_widget_get_width (GTK_WIDGET (self));
double height = gtk_widget_get_height (GTK_WIDGET (self));
GskPathBuilder *builder;
gtk_path_widget_clear_paths (self);
if (width <= 0 || height <= 0)
return;
builder = gsk_path_builder_new ();
gsk_path_builder_move_to (builder,
self->points[0].x * width, self->points[0].y * height);
gsk_path_builder_cubic_to (builder,
self->points[1].x * width, self->points[1].y * height,
self->points[2].x * width, self->points[2].y * height,
self->points[3].x * width, self->points[3].y * height);
self->line_path = gsk_path_builder_free_to_path (builder);
gtk_path_widget_create_text_path (self);
}
static void
gtk_path_widget_allocate (GtkWidget *widget,
int width,
int height,
int baseline)
{
GtkPathWidget *self = GTK_PATH_WIDGET (widget);
GTK_WIDGET_CLASS (gtk_path_widget_parent_class)->size_allocate (widget, width, height, baseline);
gtk_path_widget_create_paths (self);
}
static void
gtk_path_widget_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot)
{
GtkPathWidget *self = GTK_PATH_WIDGET (widget);
double width = gtk_widget_get_width (widget);
double height = gtk_widget_get_height (widget);
GskPath *path;
GskStroke *stroke;
gsize i;
/* frosted glass the background */
gtk_snapshot_push_blur (snapshot, 100);
gdk_paintable_snapshot (self->background, snapshot, width, height);
gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 1, 1, 1, 0.6 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
gtk_snapshot_pop (snapshot);
/* draw the text */
if (self->text_path)
{
gtk_snapshot_push_fill (snapshot, self->text_path, GSK_FILL_RULE_WINDING);
gdk_paintable_snapshot (self->background, snapshot, width, height);
/* ... with an emboss effect */
stroke = gsk_stroke_new (2.0);
gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT(1, 1));
gtk_snapshot_push_stroke (snapshot, self->text_path, stroke);
gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 0, 0, 0, 0.2 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
gsk_stroke_free (stroke);
gtk_snapshot_pop (snapshot);
gtk_snapshot_pop (snapshot);
}
if (self->editable && self->line_path)
{
GskPathBuilder *builder;
/* draw the control line */
stroke = gsk_stroke_new (1.0);
gtk_snapshot_push_stroke (snapshot, self->line_path, stroke);
gsk_stroke_free (stroke);
gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 0, 0, 0, 1 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
gtk_snapshot_pop (snapshot);
/* draw the points */
builder = gsk_path_builder_new ();
for (i = 0; i < 4; i++)
{
gsk_path_builder_add_circle (builder, &GRAPHENE_POINT_INIT (self->points[i].x * width, self->points[i].y * height), POINT_SIZE);
}
path = gsk_path_builder_free_to_path (builder);
gtk_snapshot_push_fill (snapshot, path, GSK_FILL_RULE_WINDING);
gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 1, 1, 1, 1 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
gtk_snapshot_pop (snapshot);
stroke = gsk_stroke_new (1.0);
gtk_snapshot_push_stroke (snapshot, path, stroke);
gsk_stroke_free (stroke);
gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 0, 0, 0, 1 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
gtk_snapshot_pop (snapshot);
gsk_path_unref (path);
}
}
static void
gtk_path_widget_set_text (GtkPathWidget *self,
const char *text)
{
if (g_strcmp0 (self->text, text) == 0)
return;
g_free (self->text);
self->text = g_strdup (text);
gtk_path_widget_create_paths (self);
gtk_widget_queue_draw (GTK_WIDGET (self));
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_TEXT]);
}
static void
gtk_path_widget_set_editable (GtkPathWidget *self,
gboolean editable)
{
if (self->editable == editable)
return;
self->editable = editable;
gtk_widget_queue_draw (GTK_WIDGET (self));
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_EDITABLE]);
}
static void
gtk_path_widget_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkPathWidget *self = GTK_PATH_WIDGET (object);
switch (prop_id)
{
case PROP_TEXT:
gtk_path_widget_set_text (self, g_value_get_string (value));
break;
case PROP_EDITABLE:
gtk_path_widget_set_editable (self, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_path_widget_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkPathWidget *self = GTK_PATH_WIDGET (object);
switch (prop_id)
{
case PROP_TEXT:
g_value_set_string (value, self->text);
break;
case PROP_EDITABLE:
g_value_set_boolean (value, self->editable);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_path_widget_dispose (GObject *object)
{
GtkPathWidget *self = GTK_PATH_WIDGET (object);
gtk_path_widget_clear_paths (self);
G_OBJECT_CLASS (gtk_path_widget_parent_class)->dispose (object);
}
static void
gtk_path_widget_class_init (GtkPathWidgetClass *klass)
{
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = gtk_path_widget_dispose;
object_class->set_property = gtk_path_widget_set_property;
object_class->get_property = gtk_path_widget_get_property;
widget_class->size_allocate = gtk_path_widget_allocate;
widget_class->snapshot = gtk_path_widget_snapshot;
properties[PROP_TEXT] =
g_param_spec_string ("text",
"text",
"Text transformed along a path",
NULL,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
properties[PROP_EDITABLE] =
g_param_spec_boolean ("editable",
"editable",
"If the path can be edited by the user",
FALSE,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, N_PROPS, properties);
}
static void
drag_begin (GtkGestureDrag *gesture,
double x,
double y,
GtkPathWidget *self)
{
graphene_point_t mouse = GRAPHENE_POINT_INIT (x, y);
double width = gtk_widget_get_width (GTK_WIDGET (self));
double height = gtk_widget_get_height (GTK_WIDGET (self));
gsize i;
for (i = 0; i < 4; i++)
{
if (graphene_point_distance (&GRAPHENE_POINT_INIT (self->points[i].x * width, self->points[i].y * height), &mouse, NULL, NULL) <= POINT_SIZE)
{
self->active_point = i;
break;
}
}
if (i == 4)
{
gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_DENIED);
return;
}
gtk_widget_queue_draw (GTK_WIDGET (self));
}
static void
drag_update (GtkGestureDrag *drag,
double offset_x,
double offset_y,
GtkPathWidget *self)
{
double width = gtk_widget_get_width (GTK_WIDGET (self));
double height = gtk_widget_get_height (GTK_WIDGET (self));
double start_x, start_y;
gtk_gesture_drag_get_start_point (drag, &start_x, &start_y);
self->points[self->active_point] = GRAPHENE_POINT_INIT ((start_x + offset_x) / width,
(start_y + offset_y) / height);
self->points[self->active_point].x = CLAMP (self->points[self->active_point].x, 0, 1);
self->points[self->active_point].y = CLAMP (self->points[self->active_point].y, 0, 1);
gtk_path_widget_create_paths (self);
gtk_widget_queue_draw (GTK_WIDGET (self));
}
static void
pointer_motion (GtkEventControllerMotion *controller,
double x,
double y,
GtkPathWidget *self)
{
GskPathPoint point;
graphene_point_t pos;
if (gsk_path_get_closest_point (self->line_path,
&GRAPHENE_POINT_INIT (x, y),
INFINITY,
&point))
{
gsk_path_point_get_position (&point, self->line_path, &pos);
gtk_widget_queue_draw (GTK_WIDGET (self));
}
}
static void
pointer_leave (GtkEventControllerMotion *controller,
GtkPathWidget *self)
{
gtk_widget_queue_draw (GTK_WIDGET (self));
}
static void
gtk_path_widget_init (GtkPathWidget *self)
{
GtkEventController *controller;
controller = GTK_EVENT_CONTROLLER (gtk_gesture_drag_new ());
g_signal_connect (controller, "drag-begin", G_CALLBACK (drag_begin), self);
g_signal_connect (controller, "drag-update", G_CALLBACK (drag_update), self);
g_signal_connect (controller, "drag-end", G_CALLBACK (drag_update), self);
gtk_widget_add_controller (GTK_WIDGET (self), controller);
controller = GTK_EVENT_CONTROLLER (gtk_event_controller_motion_new ());
g_signal_connect (controller, "enter", G_CALLBACK (pointer_motion), self);
g_signal_connect (controller, "motion", G_CALLBACK (pointer_motion), self);
g_signal_connect (controller, "leave", G_CALLBACK (pointer_leave), self);
gtk_widget_add_controller (GTK_WIDGET (self), controller);
self->points[0] = GRAPHENE_POINT_INIT (0.1, 0.9);
self->points[1] = GRAPHENE_POINT_INIT (0.3, 0.1);
self->points[2] = GRAPHENE_POINT_INIT (0.7, 0.1);
self->points[3] = GRAPHENE_POINT_INIT (0.9, 0.9);
self->background = GDK_PAINTABLE (gdk_texture_new_from_resource ("/sliding_puzzle/portland-rose.jpg"));
gtk_path_widget_set_text (self, "It's almost working");
}
GtkWidget *
gtk_path_widget_new (void)
{
GtkPathWidget *self;
self = g_object_new (GTK_TYPE_PATH_WIDGET, NULL);
return GTK_WIDGET (self);
}
GtkWidget *
do_path_text (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
if (!window)
{
GtkBuilder *builder;
g_type_ensure (GTK_TYPE_PATH_WIDGET);
builder = gtk_builder_new_from_resource ("/path_text/path_text.ui");
window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
gtk_window_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *) &window);
g_object_unref (builder);
}
if (!gtk_widget_get_visible (window))
gtk_window_present (GTK_WINDOW (window));
else
gtk_window_destroy (GTK_WINDOW (window));
return window;
}
-38
View File
@@ -1,38 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<interface>
<object class="GtkWindow" id="window">
<property name="title" translatable="yes">Text along a Path</property>
<child type="titlebar">
<object class="GtkHeaderBar">
<child type="end">
<object class="GtkToggleButton" id="edit-toggle">
<property name="icon-name">document-edit-symbolic</property>
</object>
</child>
</object>
</child>
<child>
<object class="GtkBox">
<property name="orientation">vertical</property>
<child>
<object class="GtkRevealer">
<property name="reveal-child" bind-source="edit-toggle" bind-property="active" bind-flags="sync-create"></property>
<child>
<object class="GtkEntry" id="text">
<property name="text">Through the looking glass</property>
</object>
</child>
</object>
</child>
<child>
<object class="GtkPathWidget" id="view">
<property name="editable" bind-source="edit-toggle" bind-property="active" bind-flags="sync-create"></property>
<property name="text" bind-source="text" bind-property="text" bind-flags="sync-create"></property>
<property name="hexpand">true</property>
<property name="vexpand">true</property>
</object>
</child>
</object>
</child>
</object>
</interface>
-373
View File
@@ -1,373 +0,0 @@
/* Path/Walk
*
* This demo draws a world map and shows how to animate objects along a GskPath.
*
* The world map that is used here is a path with 211 lines and 1569 cubic
* Bėzier segments in 121 contours.
*/
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#define GTK_TYPE_PATH_WALK (gtk_path_walk_get_type ())
G_DECLARE_FINAL_TYPE (GtkPathWalk, gtk_path_walk, GTK, PATH_WALK, GtkWidget)
#define POINT_SIZE 8
enum {
PROP_0,
PROP_N_POINTS,
PROP_PATH,
N_PROPS
};
struct _GtkPathWalk
{
GtkWidget parent_instance;
GskPath *path;
GskPathMeasure *measure;
graphene_rect_t bounds;
GskPath *arrow_path;
guint n_points;
};
struct _GtkPathWalkClass
{
GtkWidgetClass parent_class;
};
static GParamSpec *properties[N_PROPS] = { NULL, };
G_DEFINE_TYPE (GtkPathWalk, gtk_path_walk, GTK_TYPE_WIDGET)
static void
rgba_init_from_hsla (GdkRGBA *rgba,
float hue,
float saturation,
float lightness,
float alpha)
{
float m1, m2;
if (lightness <= 0.5)
m2 = lightness * (1 + saturation);
else
m2 = lightness + saturation - lightness * saturation;
m1 = 2 * lightness - m2;
rgba->alpha = alpha;
if (saturation == 0)
{
rgba->red = lightness;
rgba->green = lightness;
rgba->blue = lightness;
}
else
{
hue = hue + 120;
while (hue > 360)
hue -= 360;
while (hue < 0)
hue += 360;
if (hue < 60)
rgba->red = m1 + (m2 - m1) * hue / 60;
else if (hue < 180)
rgba->red = m2;
else if (hue < 240)
rgba->red = m1 + (m2 - m1) * (240 - hue) / 60;
else
rgba->red = m1;
hue -= 120;
if (hue < 0)
hue += 360;
if (hue < 60)
rgba->green = m1 + (m2 - m1) * hue / 60;
else if (hue < 180)
rgba->green = m2;
else if (hue < 240)
rgba->green = m1 + (m2 - m1) * (240 - hue) / 60;
else
rgba->green = m1;
hue -= 120;
if (hue < 0)
hue += 360;
if (hue < 60)
rgba->blue = m1 + (m2 - m1) * hue / 60;
else if (hue < 180)
rgba->blue = m2;
else if (hue < 240)
rgba->blue = m1 + (m2 - m1) * (240 - hue) / 60;
else
rgba->blue = m1;
}
}
static void
gtk_path_walk_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot)
{
GtkPathWalk *self = GTK_PATH_WALK (widget);
double width = gtk_widget_get_width (widget);
double height = gtk_widget_get_height (widget);
float length, progress;
GskStroke *stroke;
guint i;
if (self->path == NULL)
return;
gtk_snapshot_save (snapshot);
stroke = gsk_stroke_new (2.0);
gtk_snapshot_push_stroke (snapshot, self->path, stroke);
gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 0, 0, 0, 1 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
gtk_snapshot_pop (snapshot);
gsk_stroke_free (stroke);
length = gsk_path_measure_get_length (self->measure);
progress = 25.f * gdk_frame_clock_get_frame_time (gtk_widget_get_frame_clock (widget)) / G_USEC_PER_SEC;
stroke = gsk_stroke_new (1.0);
for (i = 0; i < self->n_points; i++)
{
GskPathPoint point;
graphene_point_t position;
float angle;
GdkRGBA color;
float distance;
distance = i * length / self->n_points;
distance = fmod (distance + progress, length);
gsk_path_measure_get_point (self->measure, distance, &point);
gsk_path_point_get_position (&point, self->path, &position);
angle = gsk_path_point_get_rotation (&point, self->path, GSK_PATH_FROM_START);
rgba_init_from_hsla (&color, 360.f * i / self->n_points, 1, 0.5, 1);
gtk_snapshot_save (snapshot);
gtk_snapshot_translate (snapshot, &position);
gtk_snapshot_rotate (snapshot, angle);
gtk_snapshot_append_fill (snapshot, self->arrow_path, GSK_FILL_RULE_EVEN_ODD, &color);
gtk_snapshot_append_stroke (snapshot, self->arrow_path, stroke, &(GdkRGBA) { 0, 0, 0, 1 });
gtk_snapshot_restore (snapshot);
}
gsk_stroke_free (stroke);
gtk_snapshot_restore (snapshot);
}
static void
gtk_path_walk_measure (GtkWidget *widget,
GtkOrientation orientation,
int for_size,
int *minimum,
int *natural,
int *minimum_baseline,
int *natural_baseline)
{
GtkPathWalk *self = GTK_PATH_WALK (widget);
if (orientation == GTK_ORIENTATION_HORIZONTAL)
*minimum = *natural = (int) ceilf (self->bounds.size.width);
else
*minimum = *natural = (int) ceilf (self->bounds.size.height);
}
static void
gtk_path_walk_set_n_points (GtkPathWalk *self,
gsize n_points)
{
if (self->n_points == n_points)
return;
self->n_points = n_points;
gtk_widget_queue_draw (GTK_WIDGET (self));
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_N_POINTS]);
}
static void
gtk_path_walk_set_path (GtkPathWalk *self,
GskPath *path)
{
if (self->path == path)
return;
g_clear_pointer (&self->path, gsk_path_unref);
graphene_rect_init (&self->bounds, 0, 0, 0, 0);
if (path)
{
GskStroke *stroke;
self->path = gsk_path_ref (path);
stroke = gsk_stroke_new (2.0);
gsk_path_get_stroke_bounds (path, stroke, &self->bounds);
gsk_stroke_free (stroke);
self->measure = gsk_path_measure_new (self->path);
}
gtk_widget_queue_resize (GTK_WIDGET (self));
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_PATH]);
}
static void
gtk_path_walk_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkPathWalk *self = GTK_PATH_WALK (object);
switch (prop_id)
{
case PROP_N_POINTS:
gtk_path_walk_set_n_points (self, g_value_get_uint (value));
break;
case PROP_PATH:
gtk_path_walk_set_path (self, g_value_get_boxed (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_path_walk_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkPathWalk *self = GTK_PATH_WALK (object);
switch (prop_id)
{
case PROP_N_POINTS:
g_value_set_uint (value, self->n_points);
break;
case PROP_PATH:
g_value_set_boxed (value, self->path);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_path_walk_dispose (GObject *object)
{
GtkPathWalk *self = GTK_PATH_WALK (object);
g_clear_pointer (&self->path, gsk_path_unref);
g_clear_pointer (&self->measure, gsk_path_measure_unref);
g_clear_pointer (&self->arrow_path, gsk_path_unref);
G_OBJECT_CLASS (gtk_path_walk_parent_class)->dispose (object);
}
static void
gtk_path_walk_class_init (GtkPathWalkClass *klass)
{
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = gtk_path_walk_dispose;
object_class->set_property = gtk_path_walk_set_property;
object_class->get_property = gtk_path_walk_get_property;
widget_class->snapshot = gtk_path_walk_snapshot;
widget_class->measure = gtk_path_walk_measure;
properties[PROP_N_POINTS] =
g_param_spec_uint ("n-points",
NULL, NULL,
1, G_MAXUINT,
500,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
properties[PROP_PATH] =
g_param_spec_boxed ("path",
NULL, NULL,
GSK_TYPE_PATH,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, N_PROPS, properties);
}
static gboolean
tick_tick_tick (GtkWidget *self,
GdkFrameClock *frame_clock,
gpointer unused)
{
gtk_widget_queue_draw (GTK_WIDGET (self));
return G_SOURCE_CONTINUE;
}
static void
gtk_path_walk_init (GtkPathWalk *self)
{
/* Data taken from
* https://commons.wikimedia.org/wiki/Maps_of_the_world#/media/File:Simplified_blank_world_map_without_Antartica_(no_borders).svg
*/
GBytes *data = g_resources_lookup_data ("/path_walk/path_world.txt", 0, NULL);
GskPath *path = gsk_path_parse (g_bytes_get_data (data, NULL));
g_bytes_unref (data);
gtk_path_walk_set_path (self, path);
gsk_path_unref (path);
self->arrow_path = gsk_path_parse ("M 5 0 L 0 -5. 0 -2, -5 -2, -5 2, 0 2, 0 5 Z");
self->n_points = 500;
gtk_widget_add_tick_callback (GTK_WIDGET (self), tick_tick_tick, NULL, NULL);
}
GtkWidget *
gtk_path_walk_new (void)
{
GtkPathWalk *self;
self = g_object_new (GTK_TYPE_PATH_WALK, NULL);
return GTK_WIDGET (self);
}
GtkWidget *
do_path_walk (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
if (!window)
{
GtkBuilder *builder;
g_type_ensure (GTK_TYPE_PATH_WALK);
builder = gtk_builder_new_from_resource ("/path_walk/path_walk.ui");
window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
gtk_window_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *) &window);
g_object_unref (builder);
}
if (!gtk_widget_get_visible (window))
gtk_window_present (GTK_WINDOW (window));
else
gtk_window_destroy (GTK_WINDOW (window));
return window;
}
-33
View File
@@ -1,33 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<interface>
<object class="GtkWindow" id="window">
<property name="title" translatable="yes">World Map</property>
<property name="titlebar">
<object class="GtkHeaderBar">
<child type="end">
<object class="GtkSpinButton">
<property name="adjustment">
<object class="GtkAdjustment" id="adjustment">
<property name="lower">0</property>
<property name="upper">5000</property>
<property name="value">500</property>
</object>
</property>
</object>
</child>
</object>
</property>
<property name="child">
<object class="GtkBox">
<property name="orientation">vertical</property>
<child>
<object class="GtkPathWalk" id="view">
<property name="n-points" bind-source="adjustment" bind-property="value"/>
<property name="hexpand">true</property>
<property name="vexpand">true</property>
</object>
</child>
</object>
</property>
</object>
</interface>
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-29
View File
@@ -147,18 +147,6 @@ Creates a node like `gsk_cross_fade_node_new()` with the given properties.
Creates a node like `gsk_debug_node_new()` with the given properties.
### fill
| property | syntax | default | printed |
| -------- | ---------------- | ---------------------- | ----------- |
| child | `<node>` | *see below* | always |
| path | `<string>` | "" | always |
| fill-rule| `<fill-rule>` | winding | always |
Creates a node like `gsk_fill_node_new()` with the given properties.
The default child node is created with the bounds of the path.
### glshader
| property | syntax | default | printed |
@@ -301,23 +289,6 @@ Creates a node like `gsk_rounded_clip_node_new()` with the given properties.
Creates a node like `gsk_shadow_node_new()` with the given properties.
### stroke
| property | syntax | default | printed |
| ----------- | ------------------ | ----------------- | ----------- |
| child | `<node>` | *see below* | always |
| path | `<string>` | "" | always |
| line-width | `<number>` | 0 | non-default |
| line-cap | `<line-cap>` | butt | always |
| line-join | `<line-join>` | miter | always |
| miter-limit | `<number>` | 4 | non-default |
| dash | `<number>{+}|none` | none | non-default |
| dash-offset | `<number>` | 0 | non-default |
Creates a node like `gsk_stroke_node_new()` with the given properties.
The default child node is created with the stroke bounds of the path.
### text
| property | syntax | default | printed |
+1 -1
View File
@@ -1,7 +1,7 @@
expand_content_md_files = [
]
if get_option('documentation')
if get_option('gtk_doc')
gdk4_toml = configure_file(
input: 'gdk4.toml.in',
output: 'gdk4.toml',
-27
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@@ -32,34 +32,7 @@ show_class_hierarchy = true
base_url = "https://gitlab.gnome.org/GNOME/gtk/-/blob/main/"
[extra]
content_files = [
"paths.md",
]
content_images = [
"gtk-logo.svg",
"images/arc-dark.png",
"images/arc-light.png",
"images/caps-dark.png",
"images/caps-light.png",
"images/conic-light.png",
"images/conic-dark.png",
"images/cubic-dark.png",
"images/cubic-light.png",
"images/curvature-dark.png",
"images/curvature-light.png",
"images/directions-dark.png",
"images/directions-light.png",
"images/fill-even-odd.png",
"images/fill-winding.png",
"images/join-dark.png",
"images/join-light.png",
"images/line-dark.png",
"images/line-light.png",
"images/path-dark.png",
"images/path-light.png",
"images/quad-dark.png",
"images/quad-light.png",
"images/stroke-miter.png",
"images/stroke-round.png",
]
urlmap_file = "urlmap.js"
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+2 -6
View File
@@ -1,8 +1,4 @@
gsk_expand_content_md_files = [
'paths.md',
]
if get_option('documentation')
if get_option('gtk_doc')
gsk4_toml = configure_file(
input: 'gsk4.toml.in',
output: 'gsk4.toml',
@@ -25,7 +21,7 @@ if get_option('documentation')
'@INPUT1@',
],
depends: [ gdk_gir[0] ],
depend_files: [ gsk_expand_content_md_files ],
depend_files: [ expand_content_md_files ],
build_by_default: true,
install: true,
install_dir: docs_dir,
-174
View File
@@ -1,174 +0,0 @@
Title: Paths
Slug: paths
GSK provides a path API that can be used to render more complex
shapes than lines or rounded rectangles. It is comparable to cairos
[path API](https://www.cairographics.org/manual/cairo-Paths.html),
with some notable differences.
In general, a path consists of one or more connected **_contours_**,
each of which may have multiple **_operations_**, and may or may not be closed.
Operations can be straight lines or curves of various kinds. At the points
where the operations connect, the path can have sharp turns.
<figure>
<picture>
<source srcset="path-dark.png" media="(prefers-color-scheme: dark)">
<img alt="A path with multiple contours" src="path-light.png">
</picture>
<figcaption>A path with one closed, and one open contour</figcaption>
</figure>
The central object of the GSK path API is the immutable [struct@Gsk.Path]
struct, which contains path data in compact form suitable for rendering.
## Creating Paths
Since `GskPath` is immutable, the auxiliary [struct@Gsk.PathBuilder] struct
can be used to construct a path piece by piece. The pieces are specified with
points, some of which will be on the path, while others are just **_control points_**
that are used to influence the shape of the resulting path.
<figure>
<picture>
<source srcset="cubic-dark.png" media="(prefers-color-scheme: dark)">
<img alt="An cubic Bézier" src="cubic-light.png">
</picture>
<figcaption>A cubic Bézier operation, with 2 control points</figcaption>
</figure>
The `GskPathBuilder` API has three distinct groups of functions:
- Functions for building contours from individual operations, like [method@Gsk.PathBuilder.move_to],
[method@Gsk.PathBuilder.line_to], [method@Gsk.PathBuilder.cubic_to], [method@Gsk.PathBuilder.close]. `GskPathBuilder` maintains a **_current point_**, so these methods all
take one less points than necessary for the operation (e.g. `gsk_path_builder_line_to`
only takes a single point and draws a line from the current point to the new point).
- Functions for adding complete contours, such as [method@Gsk.PathBuilder.add_rect],
[method@Gsk.PathBuilder.add_rounded_rect], [method@Gsk.PathBuilder.add_circle].
- Adding parts of a preexisting path. Functions in this group include
[method@Gsk.PathBuilder.add_path] and [method@Gsk.PathBuilder.add_segment].
When you are done with building a path, you can convert the accumulated path
data into a `GskPath` struct with [method@Gsk.PathBuilder.free_to_path].
A sometimes convenient alternative is to create a path from a serialized form,
with [func@Gsk.Path.parse]. This function interprets strings in SVG path syntax,
such as:
M 100 100 C 100 200 200 200 200 100 Z
## Rendering with Paths
There are two main ways to render with paths. The first is to **_fill_** the
interior of a path with a color or more complex content, such as a gradient.
GSK supports different ways of determining what part of the plane are interior
to the path, which can be selected with a [enum@Gsk.FillRule] value.
<figure>
<picture>
<img alt="A filled path" src="fill-winding.png">
</picture>
<figcaption>A path filled with GSK_FILL_RULE_WINDING</figcaption>
</figure>
<figure>
<picture>
<img alt="A filled path" src="fill-even-odd.png">
</picture>
<figcaption>The same path, filled with GSK_FILL_RULE_EVEN_ODD</figcaption>
</figure>
To fill a path, use [gtk_snapshot_append_fill()](../gtk4/method.Snapshot.append_fill.html)
or the more general [gtk_snapshot_push_fill()](../gtk4/method.Snapshot.push_fill.html).
Alternatively, a path can be **_stroked_**, which means to emulate drawing
with an idealized pen along the path. The result of stroking a path is another
path (the **_stroke path_**), which is then filled.
The stroke operation can be influenced with the [struct@Gsk.Stroke] struct
that collects various stroke parameters, such as the line width, the style
of line joins and line caps, and a dash pattern.
<figure>
<picture>
<img alt="A stroked path" src="stroke-miter.png">
</picture>
<figcaption>The same path, stroked with GSK_LINE_JOIN_MITER</figcaption>
</figure>
<figure>
<picture>
<img alt="A stroked path" src="stroke-round.png">
</picture>
<figcaption>The same path, stroked with GSK_LINE_JOIN_ROUND</figcaption>
</figure>
To stroke a path, use
[gtk_snapshot_append_stroke()](../gtk4/method.Snapshot.append_stroke.html)
or [gtk_snapshot_push_stroke()](../gtk4/method.Snapshot.push_stroke.html).
## Hit testing
When paths are rendered as part of an interactive interface, it is sometimes
necessary to determine whether the mouse points is over the path. GSK provides
[method@Gsk.Path.in_fill] for this purpose.
## Path length
An important property of paths is their **_length_**. Computing it efficiently
requires caching, therefore GSK provides a separate [struct@Gsk.PathMeasure] object
to deal with path lengths. After constructing a `GskPathMeasure` object for a path,
it can be used to determine the length of the path with [method@Gsk.PathMeasure.get_length]
and locate points at a given distance into the path with [method@Gsk.PathMeasure.get_point].
## Other Path APIs
Paths have uses beyond rendering, for example as trajectories in animations.
In such uses, it is often important to access properties of paths, such as
their tangents at certain points. GSK provides an abstract representation
for points on a path in the form of the [struct@Gsk.PathPoint] struct.
You can query properties of a path at certain point once you have a
`GskPathPoint` representing that point.
`GskPathPoint` structs can be compared for equality with [method@Gsk.PathPoint.equal]
and ordered wrt. to which one comes first, using [method@Gsk.PathPoint.compare].
To obtain a `GskPathPoint`, use [method@Gsk.Path.get_closest_point],
[method@Gsk.Path.get_start_point], [method@Gsk.Path.get_end_point] or
[method@Gsk.PathMeasure.get_point].
To query properties of the path at a point, use [method@Gsk.PathPoint.get_position],
[method@Gsk.PathPoint.get_tangent], [method@Gsk.PathPoint.get_rotation],
[method@Gsk.PathPoint.get_curvature] and [method@Gsk.PathPoint.get_distance].
Some of the properties can have different values for the path going into
the point and the path leaving the point, typically at points where the
path takes sharp turns. Examples for this are tangents (which can have up
to 4 different values) and curvatures (which can have two different values).
<figure>
<picture>
<source srcset="directions-dark.png" media="(prefers-color-scheme: dark)">
<img alt="Path Tangents" src="directions-light.png">
</picture>
<figcaption>Path Tangents</figcaption>
</figure>
## Going beyond GskPath
Lots of powerful functionality can be implemented for paths:
- Finding intersections
- Offsetting curves
- Turning stroke outlines into paths
- Molding curves (making them pass through a given point)
GSK does not provide API for all of these, but it does offer a way to get at
the underlying Bézier curves, so you can implement such functionality yourself.
You can use [method@Gsk.Path.foreach] to iterate over the operations of the
path, and get the points needed to reconstruct or modify the path piece by piece.
See e.g. the [Primer on Bézier curves](https://pomax.github.io/bezierinfo/)
for inspiration of useful things to explore.
+1 -1
View File
@@ -268,7 +268,7 @@ support in the file chooser.
This option controls whether GTK should use colord for color
calibration support in the cups print backend.
### `documentation`, `man-pages` and `screenshots`
### `gtk_doc`, `man-pages` and `update_screenshots`
The *gi-docgen* package is used to generate the reference documentation
included with GTK. By default support for *gi-docgen* is disabled
-193
View File
@@ -1,193 +0,0 @@
.. _gtk4-path-tool(1):
=================
gtk4-path-tool
=================
-----------------------
GskPath Utility
-----------------------
SYNOPSIS
--------
| **gtk4-path-tool** <COMMAND> [OPTIONS...] <PATH>
|
| **gtk4-path-tool** decompose [OPTIONS...] <PATH>
| **gtk4-path-tool** show [OPTIONS...] <PATH>
| **gtk4-path-tool** render [OPTIONS...] <PATH>
| **gtk4-path-tool** info [OPTIONS...] <PATH>
DESCRIPTION
-----------
``gtk4-path-tool`` can perform various tasks on paths. Paths are specified
in SVG syntax, as strings like "M 100 100 C 100 200 200 200 200 100 Z".
To read a path from a file, use a filename that starts with a '.' or a '/'.
To read a path from stdin, use '-'.
COMMANDS
--------
Decomposing
^^^^^^^^^^^
The ``decompose`` command approximates the path by one with simpler elements.
When used without options, the curves of the path are approximated by line
segments.
``--allow-quad``
Allow quadratic Bézier curves to be used in the generated path.
``--allow-cubic``
Allow cubic Bézier curves to be used in the generated path.
``--allow-conic``
Allow conic Bézier curves to be used in the generated path.
Showing
^^^^^^^
The ``show`` command displays the given path in a window. The interior
of the path is filled.
``--fill-rule=VALUE``
The fill rule that is used to determine what areas are inside the path.
The possible values are ``winding`` or ``even-odd``. The default is ``winding``.
``--fg-color=COLOR``
The color that is used to fill the interior of the path or stroke the path.
If not specified, black is used.
``--bg-color=COLOR``
The color that is used to render the background behind the path.
If not specified, white is used.
``--fill``
Fill the path (this is the default).
``--stroke``
Stroke the path instead of filling it.
``--line-width=VALUE``
The line width to use for the stroke. ``VALUE`` must be a positive number.
The default line width is 1.
``--line-cap=VALUE``
The cap style to use at line ends. The possible values are ``butt``, ``round``
or ``square``. See the SVG specification for details on these styles.
The default cap style is ``butt``.
``--line-join=VALUE``
The join style to use at line joins. The possible values are ``miter``,
``miter-clip``, ``round``, ``bevel`` or ``arcs``. See the SVG specification
for details on these styles.
The default join style is ``miter``.
``--miter-limit=VALUE``
The limit at which to clip miters at line joins. The default value is 4.
``--dashes=VALUE``
The dash pattern to use for this stroke. A dash pattern is specified by
a comma-separated list of alternating non-negative numbers. Each number
provides the length of alternate "on" and "off" portions of the stroke.
If the dash pattern is empty, dashing is disabled, which is the default.
See the SVG specification for details on dashing.
``--dash-offset=VALUE``
The offset into the dash pattern where dashing should begin.
The default value is 0.
Rendering
^^^^^^^^^
The ``render`` command renders the given path as a PNG image.
The interior of the path is filled.
``--fill-rule=VALUE``
The fill rule that is used to determine what areas are inside the path.
The possible values are ``winding`` or ``even-odd``. The default is ``winding``.
``--fg-color=COLOR``
The color that is used to fill the interior of the path or stroke the path.
If not specified, black is used.
``--bg-color=COLOR``
The color that is used to render the background behind the path.
If not specified, white is used.
``--output-file=FILE``
The file to save the PNG image to.
If not specified, "path.png" is used.
``--fill``
Fill the path (this is the default).
``--stroke``
Stroke the path instead of filling it.
``--line-width=VALUE``
The line width to use for the stroke. ``VALUE`` must be a positive number.
The default line width is 1.
``--line-cap=VALUE``
The cap style to use at line ends. The possible values are ``butt``, ``round``
or ``square``. See the SVG specification for details on these styles.
The default cap style is ``butt``.
``--line-join=VALUE``
The join style to use at line joins. The possible values are ``miter``,
``miter-clip``, ``round``, ``bevel`` or ``arcs``. See the SVG specification
for details on these styles.
The default join style is ``miter``.
``--miter-limit=VALUE``
The limit at which to clip miters at line joins. The default value is 4.
``--dashes=VALUE``
The dash pattern to use for this stroke. A dash pattern is specified by
a comma-separated list of alternating non-negative numbers. Each number
provides the length of alternate "on" and "off" portions of the stroke.
If the dash pattern is empty, dashing is disabled, which is the default.
See the SVG specification for details on dashing.
``--dash-offset=VALUE``
The offset into the dash pattern where dashing should begin.
The default value is 0.
Info
^^^^
The ``info`` command shows various information about the given path,
such as its bounding box.
REFERENCES
----------
- SVG Path Specification, https://www.w3.org/TR/SVG2/paths.html
+1 -1
View File
@@ -78,7 +78,7 @@ ui_files = [
gtk_builder_tool = find_program('gtk4-builder-tool')
if get_option('screenshots')
if get_option('update_screenshots')
foreach ui_file: ui_files
png_file = ui_file.replace('.ui', '.png')
gtk_images += custom_target('@0@ from @1@'.format(png_file, ui_file),
+1 -2
View File
@@ -32,7 +32,7 @@ gtk_images = []
subdir('images')
if get_option('documentation')
if get_option('gtk_doc')
gtk4_toml = configure_file(
input: 'gtk4.toml.in',
output: 'gtk4.toml',
@@ -77,7 +77,6 @@ if get_option('man-pages') and rst2man.found()
[ 'gtk4-query-settings', '1', ],
[ 'gtk4-rendernode-tool', '1' ],
[ 'gtk4-update-icon-cache', '1', ],
[ 'gtk4-path-tool', '1', ],
]
if get_option('demos')
+1 -1
View File
@@ -222,7 +222,7 @@ It is possible to set accessible attributes in UI files as well:
<accessibility>
<property name="label">Download</property>
<relation name="labelled-by">label1</relation>
</accessibility>
/accessibility>
</object>
```
+2 -2
View File
@@ -1,7 +1,7 @@
toml_conf = configuration_data()
toml_conf.set('version', meson.project_version())
gidocgen = find_program('gi-docgen', required: get_option('documentation'), native: true)
gidocgen = find_program('gi-docgen', required: get_option('gtk_doc'), native: true)
gidocgen_common_args = [
'--quiet',
@@ -14,7 +14,7 @@ endif
docs_dir = gtk_datadir / 'doc'
if get_option('documentation') and not build_gir
if get_option('gtk_doc') and not build_gir
error('API reference requires introspection.')
endif
+10 -10
View File
@@ -297,7 +297,7 @@ gdk_clipboard_read_local_async (GdkClipboard *clipboard,
{
GOutputStream *output_stream;
GIOStream *stream;
stream = gdk_pipe_io_stream_new ();
output_stream = g_io_stream_get_output_stream (stream);
gdk_clipboard_write_async (clipboard,
@@ -767,7 +767,7 @@ gdk_clipboard_read_value_internal (GdkClipboard *clipboard,
GdkContentFormats *formats;
GValue *value;
GTask *task;
task = g_task_new (clipboard, cancellable, callback, user_data);
g_task_set_priority (task, io_priority);
g_task_set_source_tag (task, source_tag);
@@ -946,7 +946,7 @@ gdk_clipboard_read_texture_finish (GdkClipboard *clipboard,
value = g_task_propagate_pointer (G_TASK (result), error);
if (!value)
return NULL;
return g_value_dup_object (value);
}
@@ -1011,7 +1011,7 @@ gdk_clipboard_read_text_finish (GdkClipboard *clipboard,
value = g_task_propagate_pointer (G_TASK (result), error);
if (!value)
return NULL;
return g_value_dup_string (value);
}
@@ -1110,7 +1110,7 @@ gdk_clipboard_write_async (GdkClipboard *clipboard,
GError *error = NULL;
g_assert (gtype != G_TYPE_INVALID);
g_value_init (&value, gtype);
if (gdk_content_provider_get_value (priv->content, &value, &error))
{
@@ -1126,7 +1126,7 @@ gdk_clipboard_write_async (GdkClipboard *clipboard,
{
g_task_return_error (task, error);
}
g_value_unset (&value);
}
else
@@ -1148,7 +1148,7 @@ gdk_clipboard_write_finish (GdkClipboard *clipboard,
g_return_val_if_fail (g_task_is_valid (result, clipboard), FALSE);
g_return_val_if_fail (g_task_get_source_tag (G_TASK (result)) == gdk_clipboard_write_async, FALSE);
return g_task_propagate_boolean (G_TASK (result), error);
return g_task_propagate_boolean (G_TASK (result), error);
}
static gboolean
@@ -1248,8 +1248,8 @@ gdk_clipboard_set_content (GdkClipboard *clipboard,
* Sets the clipboard to contain the value collected from the given varargs.
*
* Values should be passed the same way they are passed to other value
* collecting APIs, such as [method@GObject.Object.set] or
* [func@GObject.signal_emit].
* collecting APIs, such as [`method@GObject.Object.set`] or
* [`func@GObject.signal_emit`].
*
* ```c
* gdk_clipboard_set (clipboard, GTK_TYPE_STRING, "Hello World");
@@ -1263,7 +1263,7 @@ gdk_clipboard_set (GdkClipboard *clipboard,
...)
{
va_list args;
g_return_if_fail (GDK_IS_CLIPBOARD (clipboard));
va_start (args, type);
+1 -2
View File
@@ -1528,8 +1528,7 @@ gdk_gl_context_check_extensions (GdkGLContext *context)
if (gdk_gl_context_get_use_es (context))
{
priv->has_unpack_subimage = gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (3, 0)) ||
epoxy_has_gl_extension ("GL_EXT_unpack_subimage");
priv->has_unpack_subimage = epoxy_has_gl_extension ("GL_EXT_unpack_subimage");
priv->has_khr_debug = epoxy_has_gl_extension ("GL_KHR_debug");
}
else
+3 -9
View File
@@ -95,11 +95,10 @@ static gboolean
gdk_gl_texture_invoke_callback (gpointer data)
{
InvokeData *invoke = data;
GdkGLContext *context, *previous;
GdkGLContext *context;
context = gdk_display_get_gl_context (gdk_gl_context_get_display (invoke->self->context));
previous = gdk_gl_context_get_current ();
gdk_gl_context_make_current (context);
if (invoke->self->sync && context != invoke->self->context)
@@ -111,11 +110,6 @@ gdk_gl_texture_invoke_callback (gpointer data)
g_atomic_int_set (&invoke->spinlock, 1);
if (previous)
gdk_gl_context_make_current (previous);
else
gdk_gl_context_clear_current ();
return FALSE;
}
@@ -159,7 +153,7 @@ gdk_gl_texture_find_format (gboolean use_es,
if (gdk_memory_format_alpha (format) != alpha)
continue;
if (!gdk_memory_format_gl_format (format, use_es, gl_major, gl_minor, &q_internal_format, &q_format, &q_type, q_swizzle))
if (!gdk_memory_format_gl_format (format, use_es, gl_major, gl_minor, &q_internal_format, &q_format, &q_type, &q_swizzle))
continue;
if (q_format != gl_format || q_type != gl_type)
@@ -194,7 +188,7 @@ gdk_gl_texture_do_download (GdkGLTexture *self,
FALSE,
major, minor,
&gl_internal_format,
&gl_format, &gl_type, gl_swizzle))
&gl_format, &gl_type, &gl_swizzle))
{
if (download->stride == expected_stride &&
download->format == format)
+2 -2
View File
@@ -739,12 +739,12 @@ gdk_memory_format_gl_format (GdkMemoryFormat format,
guint *out_internal_format,
guint *out_format,
guint *out_type,
GLint out_swizzle[4])
GLint (*out_swizzle)[4])
{
*out_internal_format = memory_formats[format].gl.internal_format;
*out_format = memory_formats[format].gl.format;
*out_type = memory_formats[format].gl.type;
memcpy (out_swizzle, memory_formats[format].gl.swizzle, sizeof(GLint) * 4);
memcpy (out_swizzle, &memory_formats[format].gl.swizzle, sizeof(GLint) * 4);
if (gles)
{
+1 -1
View File
@@ -52,7 +52,7 @@ gboolean gdk_memory_format_gl_format (GdkMemoryFormat
guint *out_internal_format,
guint *out_format,
guint *out_type,
GLint out_gizzle[4]);
GLint (*out_gizzle)[4]);
void gdk_memory_convert (guchar *dest_data,
gsize dest_stride,
+2 -16
View File
@@ -25,12 +25,10 @@
#include "gdkprivate.h"
/* HACK: So we don't need to include any (not-yet-created) GSK or GTK headers */
GdkSnapshot * gtk_snapshot_new (void);
void gtk_snapshot_push_debug (GdkSnapshot *snapshot,
const char *message,
...) G_GNUC_PRINTF (2, 3);
void gtk_snapshot_pop (GdkSnapshot *snapshot);
GdkPaintable * gtk_snapshot_free_to_paintable (GdkSnapshot *snapshot);
/**
* GdkPaintable:
@@ -104,21 +102,9 @@ gdk_paintable_default_snapshot (GdkPaintable *paintable,
static GdkPaintable *
gdk_paintable_default_get_current_image (GdkPaintable *paintable)
{
int width, height;
GdkSnapshot *snapshot;
g_warning ("FIXME: implement by snapshotting at default size and returning a GskRendererNodePaintable");
/* No need to check whether the paintable is static, as
* gdk_paintable_get_current_image () takes care of that already. */
width = gdk_paintable_get_intrinsic_width (paintable);
height = gdk_paintable_get_intrinsic_height (paintable);
if (width <= 0 || height <= 0)
return gdk_paintable_new_empty (width, height);
snapshot = gtk_snapshot_new ();
gdk_paintable_snapshot (paintable, snapshot, width, height);
return gtk_snapshot_free_to_paintable (snapshot);
return paintable;
}
static GdkPaintableFlags
+3 -1
View File
@@ -27,7 +27,9 @@
#include "gdkmacosdisplay.h"
#include "gdkmacossurface.h"
#import <epoxy/gl.h>
#import <OpenGL/OpenGL.h>
#import <OpenGL/gl3.h>
#import <AppKit/AppKit.h>
G_BEGIN_DECLS
+2 -1
View File
@@ -21,6 +21,7 @@
#include "gdkconfig.h"
#include <OpenGL/gl3.h>
#include <OpenGL/CGLIOSurface.h>
#include <QuartzCore/QuartzCore.h>
@@ -498,7 +499,7 @@ gdk_macos_gl_context_begin_frame (GdkDrawContext *context,
gdk_gl_context_make_current (GDK_GL_CONTEXT (self));
gdk_macos_gl_context_allocate (self);
GDK_DRAW_CONTEXT_CLASS (gdk_macos_gl_context_parent_class)->begin_frame (context, depth, region);
GDK_DRAW_CONTEXT_CLASS (gdk_macos_gl_context_parent_class)->begin_frame (context, prefers_high_depth, region);
gdk_gl_context_make_current (GDK_GL_CONTEXT (self));
CHECK_GL (NULL, glBindFramebuffer (GL_FRAMEBUFFER, self->fbo));
+1 -1
View File
@@ -331,7 +331,7 @@ _gdk_macos_monitor_reconfigure (GdkMacosMonitor *self)
gdk_monitor_set_physical_size (GDK_MONITOR (self), width_mm, height_mm);
gdk_monitor_set_scale_factor (GDK_MONITOR (self), scale_factor);
gdk_monitor_set_refresh_rate (GDK_MONITOR (self), refresh_rate);
gdk_monitor_set_subpixel_layout (GDK_MONITOR (self), subpixel_layout);
gdk_monitor_set_subpixel_layout (GDK_MONITOR (self), GDK_SUBPIXEL_LAYOUT_UNKNOWN);
self->workarea = [screen visibleFrame];
+1 -2
View File
@@ -93,8 +93,7 @@ gdk_wayland_app_launch_context_get_startup_notify_id (GAppLaunchContext *context
id = app_launch_data.token;
wl_event_queue_destroy (event_queue);
}
else if (display->gtk_shell &&
gtk_shell1_get_version (display->gtk_shell) >= GTK_SHELL1_NOTIFY_LAUNCH_SINCE_VERSION)
else if (gtk_shell1_get_version (display->gtk_shell) >= GTK_SHELL1_NOTIFY_LAUNCH_SINCE_VERSION)
{
id = g_uuid_string_random ();
gtk_shell1_notify_launch (display->gtk_shell, id);
-3
View File
@@ -127,6 +127,3 @@ libgdk_wayland = static_library('gdk-wayland',
link_with: [ libwayland_cursor, ],
dependencies: [ gdk_deps, gdk_wayland_deps ],
)
# Used to generate pkg-config Requires
wayland_public_deps = [wlclientdep]
+1 -12
View File
@@ -2857,10 +2857,7 @@ gdk_event_translate (MSG *msg,
break;
case WM_SYSCOMMAND:
/* From: https://learn.microsoft.com/en-us/windows/win32/menurc/wm-syscommand?redirectedfrom=MSDN
* To obtain the correct result when testing the value of wParam,
* an application must combine the value 0xFFF0 with the wParam value by using the bitwise AND operator. */
switch (msg->wParam & 0xFFF0)
switch (msg->wParam)
{
case SC_MINIMIZE:
case SC_RESTORE:
@@ -2967,14 +2964,6 @@ gdk_event_translate (MSG *msg,
windowpos = (WINDOWPOS *) msg->lParam;
windowpos->cx = our_mmi.ptMaxSize.x;
windowpos->cy = our_mmi.ptMaxSize.y;
if (!_gdk_win32_surface_lacks_wm_decorations (window) &&
!(windowpos->flags & SWP_NOCLIENTSIZE) &&
window->width == impl->next_layout.configured_width &&
window->height == impl->next_layout.configured_height)
{
impl->inhibit_configure = TRUE;
}
}
impl->maximizing = FALSE;
+8 -1
View File
@@ -1230,11 +1230,18 @@ get_effective_window_decorations (GdkSurface *window,
*decoration |= GDK_DECOR_MINIMIZE;
return TRUE;
}
else if (impl->hint_flags & GDK_HINT_MAX_SIZE)
{
*decoration = GDK_DECOR_ALL | GDK_DECOR_MAXIMIZE;
*decoration |= GDK_DECOR_MINIMIZE;
return TRUE;
}
else
{
*decoration = GDK_DECOR_ALL;
*decoration = (GDK_DECOR_ALL | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE);
return TRUE;
}
+1 -3
View File
@@ -201,7 +201,7 @@ gdk_x11_clipboard_formats_to_targets (GdkContentFormats *formats)
continue;
if (g_str_equal (mime_types[i], special_targets[j].mime_type))
targets = g_slist_prepend (targets, (gpointer) g_intern_static_string (special_targets[j].x_target));
targets = g_slist_prepend (targets, (gpointer) g_intern_string (special_targets[j].x_target));
}
targets = g_slist_prepend (targets, (gpointer) mime_types[i]);
}
@@ -238,8 +238,6 @@ gdk_x11_clipboard_formats_to_atoms (GdkDisplay *display,
for (l = targets; l; l = l->next)
atoms[i++] = gdk_x11_get_xatom_by_name_for_display (display, l->data);
g_slist_free (targets);
return atoms;
}
-2
View File
@@ -86,5 +86,3 @@ libgdk_x11 = static_library('gdk-x11',
] + common_cflags,
dependencies: [ gdk_deps, gdk_x11_deps, ],
)
x11_public_deps = [x11_dep]
-4
View File
@@ -271,8 +271,6 @@ collect_reused_child_nodes (GskRenderer *renderer,
case GSK_CROSS_FADE_NODE:
case GSK_BLUR_NODE:
case GSK_MASK_NODE:
case GSK_FILL_NODE:
case GSK_STROKE_NODE:
default:
@@ -861,8 +859,6 @@ gsk_broadway_renderer_add_node (GskRenderer *renderer,
case GSK_CROSS_FADE_NODE:
case GSK_BLUR_NODE:
case GSK_GL_SHADER_NODE:
case GSK_FILL_NODE:
case GSK_STROKE_NODE:
default:
break; /* Fallback */
}
+5 -4
View File
@@ -1456,7 +1456,7 @@ memory_format_gl_format (GdkMemoryFormat data_format,
guint *gl_internalformat,
guint *gl_format,
guint *gl_type,
GLint gl_swizzle[4])
GLint (*gl_swizzle)[4])
{
GdkMemoryDepth depth;
@@ -1577,7 +1577,7 @@ gsk_gl_command_queue_do_upload_texture_chunk (GskGLCommandQueue *self,
&gl_internalformat,
&gl_format,
&gl_type,
gl_swizzle);
&gl_swizzle);
gdk_texture_downloader_init (&downloader, texture);
gdk_texture_downloader_set_format (&downloader, data_format);
@@ -1595,7 +1595,8 @@ gsk_gl_command_queue_do_upload_texture_chunk (GskGLCommandQueue *self,
{
glTexSubImage2D (GL_TEXTURE_2D, 0, x, y, width, height, gl_format, gl_type, data);
}
else if (stride % bpp == 0 && gdk_gl_context_has_unpack_subimage (self->context))
else if (stride % bpp == 0 &&
(gdk_gl_context_check_version (self->context, NULL, "3.0") || gdk_gl_context_has_unpack_subimage (self->context)))
{
glPixelStorei (GL_UNPACK_ROW_LENGTH, stride / bpp);
@@ -1683,7 +1684,7 @@ gsk_gl_command_queue_upload_texture_chunks (GskGLCommandQueue *self,
&gl_internalformat,
&gl_format,
&gl_type,
gl_swizzle);
&gl_swizzle);
glTexImage2D (GL_TEXTURE_2D, 0, gl_internalformat, width, height, 0, gl_format, gl_type, NULL);
+3 -15
View File
@@ -255,8 +255,6 @@ node_supports_2d_transform (const GskRenderNode *node)
case GSK_BLEND_NODE:
case GSK_BLUR_NODE:
case GSK_MASK_NODE:
case GSK_FILL_NODE:
case GSK_STROKE_NODE:
return TRUE;
case GSK_SHADOW_NODE:
@@ -311,8 +309,6 @@ node_supports_transform (const GskRenderNode *node)
case GSK_BLEND_NODE:
case GSK_BLUR_NODE:
case GSK_MASK_NODE:
case GSK_FILL_NODE:
case GSK_STROKE_NODE:
return TRUE;
case GSK_SHADOW_NODE:
@@ -1245,9 +1241,9 @@ gsk_gl_render_job_visit_as_fallback (GskGLRenderJob *job,
done:
if (scale_x < 0 || scale_y < 0)
{
GskTransform *transform = gsk_transform_translate (gsk_transform_scale (NULL, scale_x < 0 ? -1 : 1, scale_y < 0 ? -1 : 1),
&GRAPHENE_POINT_INIT (scale_x < 0 ? - (node->bounds.size.width + 2 * node->bounds.origin.x) : 0,
scale_y < 0 ? - (node->bounds.size.height + 2 * node->bounds.origin.y) : 0));
GskTransform *transform = gsk_transform_translate (NULL,
&GRAPHENE_POINT_INIT (scale_x < 0 ? - surface_width : 0,
scale_y < 0 ? - surface_height : 0));
gsk_gl_render_job_push_modelview (job, transform);
gsk_transform_unref (transform);
}
@@ -4093,14 +4089,6 @@ gsk_gl_render_job_visit_node (GskGLRenderJob *job,
gsk_gl_render_job_visit_as_fallback (job, node);
break;
case GSK_FILL_NODE:
gsk_gl_render_job_visit_as_fallback (job, node);
break;
case GSK_STROKE_NODE:
gsk_gl_render_job_visit_as_fallback (job, node);
break;
case GSK_NOT_A_RENDER_NODE:
default:
g_assert_not_reached ();
-5
View File
@@ -20,14 +20,9 @@
#define __GSK_H_INSIDE__
#include <gsk/gskenums.h>
#include <gsk/gskpath.h>
#include <gsk/gskpathbuilder.h>
#include <gsk/gskpathmeasure.h>
#include <gsk/gskpathpoint.h>
#include <gsk/gskrenderer.h>
#include <gsk/gskrendernode.h>
#include <gsk/gskroundedrect.h>
#include <gsk/gskstroke.h>
#include <gsk/gsktransform.h>
#include <gsk/gskglshader.h>
-115
View File
@@ -1,115 +0,0 @@
#pragma once
#include <gsk/gsktypes.h>
G_BEGIN_DECLS
typedef struct _GskBoundingBox GskBoundingBox;
struct _GskBoundingBox {
graphene_point_t min;
graphene_point_t max;
};
static inline GskBoundingBox *
gsk_bounding_box_init (GskBoundingBox *self,
const graphene_point_t *a,
const graphene_point_t *b)
{
self->min.x = MIN (a->x, b->x);
self->min.y = MIN (a->y, b->y);
self->max.x = MAX (a->x, b->x);
self->max.y = MAX (a->y, b->y);
return self;
}
static inline GskBoundingBox *
gsk_bounding_box_init_copy (GskBoundingBox *self,
const GskBoundingBox *src)
{
self->min = src->min;
self->max = src->max;
return self;
}
static inline GskBoundingBox *
gsk_bounding_box_init_from_rect (GskBoundingBox *self,
const graphene_rect_t *bounds)
{
self->min = bounds->origin;
self->max.x = bounds->origin.x + bounds->size.width;
self->max.y = bounds->origin.y + bounds->size.height;
return self;
}
static inline void
gsk_bounding_box_expand (GskBoundingBox *self,
const graphene_point_t *p)
{
self->min.x = MIN (self->min.x, p->x);
self->min.y = MIN (self->min.y, p->y);
self->max.x = MAX (self->max.x, p->x);
self->max.y = MAX (self->max.y, p->y);
}
static inline graphene_rect_t *
gsk_bounding_box_to_rect (const GskBoundingBox *self,
graphene_rect_t *rect)
{
rect->origin = self->min;
rect->size.width = self->max.x - self->min.x;
rect->size.height = self->max.y - self->min.y;
return rect;
}
static inline gboolean
gsk_bounding_box_contains_point (const GskBoundingBox *self,
const graphene_point_t *p)
{
return self->min.x <= p->x && p->x <= self->max.x &&
self->min.y <= p->y && p->y <= self->max.y;
}
static inline gboolean
gsk_bounding_box_contains_point_with_epsilon (const GskBoundingBox *self,
const graphene_point_t *p,
float epsilon)
{
return self->min.x - epsilon <= p->x && p->x <= self->max.x + epsilon &&
self->min.y - epsilon <= p->y && p->y <= self->max.y + epsilon;
}
static inline gboolean
gsk_bounding_box_intersection (const GskBoundingBox *a,
const GskBoundingBox *b,
GskBoundingBox *res)
{
graphene_point_t min, max;
min.x = MAX (a->min.x, b->min.x);
min.y = MAX (a->min.y, b->min.y);
max.x = MIN (a->max.x, b->max.x);
max.y = MIN (a->max.y, b->max.y);
if (res)
gsk_bounding_box_init (res, &min, &max);
return min.x <= max.x && min.y <= max.y;
}
static inline void
gsk_bounding_box_union (const GskBoundingBox *a,
const GskBoundingBox *b,
GskBoundingBox *res)
{
graphene_point_t min, max;
min.x = MIN (a->min.x, b->min.x);
min.y = MIN (a->min.y, b->min.y);
max.x = MAX (a->max.x, b->max.x);
max.y = MAX (a->max.y, b->max.y);
gsk_bounding_box_init (res, &min, &max);
}
G_END_DECLS
-1140
View File
File diff suppressed because it is too large Load Diff
-96
View File
@@ -1,96 +0,0 @@
/*
* Copyright © 2020 Benjamin Otte
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#pragma once
#include "gskpathprivate.h"
#include "gskpathpointprivate.h"
#include "gskpathopprivate.h"
#include "gskboundingboxprivate.h"
G_BEGIN_DECLS
GskContour * gsk_standard_contour_new (GskPathFlags flags,
const graphene_point_t *points,
gsize n_points,
const gskpathop *ops,
gsize n_ops,
gssize offset);
void gsk_contour_copy (GskContour * dest,
const GskContour *src);
GskContour * gsk_contour_dup (const GskContour *src);
GskContour * gsk_contour_reverse (const GskContour *src);
gsize gsk_contour_get_size (const GskContour *self);
GskPathFlags gsk_contour_get_flags (const GskContour *self);
void gsk_contour_print (const GskContour *self,
GString *string);
gboolean gsk_contour_get_bounds (const GskContour *self,
GskBoundingBox *bounds);
gboolean gsk_contour_get_stroke_bounds (const GskContour *self,
const GskStroke *stroke,
GskBoundingBox *bounds);
gboolean gsk_contour_foreach (const GskContour *self,
float tolerance,
GskPathForeachFunc func,
gpointer user_data);
void gsk_contour_get_start_end (const GskContour *self,
graphene_point_t *start,
graphene_point_t *end);
int gsk_contour_get_winding (const GskContour *self,
const graphene_point_t *point);
gsize gsk_contour_get_n_ops (const GskContour *self);
gboolean gsk_contour_get_closest_point (const GskContour *self,
const graphene_point_t *point,
float threshold,
GskRealPathPoint *result,
float *out_dist);
void gsk_contour_get_position (const GskContour *self,
GskRealPathPoint *point,
graphene_point_t *pos);
void gsk_contour_get_tangent (const GskContour *self,
GskRealPathPoint *point,
GskPathDirection direction,
graphene_vec2_t *tangent);
float gsk_contour_get_curvature (const GskContour *self,
GskRealPathPoint *point,
GskPathDirection direction,
graphene_point_t *center);
void gsk_contour_add_segment (const GskContour *self,
GskPathBuilder *builder,
gboolean emit_move_to,
GskRealPathPoint *start,
GskRealPathPoint *end);
gpointer gsk_contour_init_measure (const GskContour *self,
float tolerance,
float *out_length);
void gsk_contour_free_measure (const GskContour *self,
gpointer data);
void gsk_contour_get_point (const GskContour *self,
gpointer measure_data,
float distance,
GskRealPathPoint *result);
float gsk_contour_get_distance (const GskContour *self,
GskRealPathPoint *point,
gpointer measure_data);
G_END_DECLS
-213
View File
@@ -1,213 +0,0 @@
/* Legendre-Gauss values,
* see https://pomax.github.io/bezierinfo/legendre-gauss.html
*/
#if 0
/* n = 64 */
static const double T[] = {
-0.0243502926634244325089558428537156614268871093149758091634531663960566965166295288529853061657116894882370493013671717560479926679408068852617342586968190919443025679363843727751902756254975073084367002129407854253246662805532069172532219089321005870178809284335033318073251039701073379759,
0.0243502926634244325089558428537156614268871093149758091634531663960566965166295288529853061657116894882370493013671717560479926679408068852617342586968190919443025679363843727751902756254975073084367002129407854253246662805532069172532219089321005870178809284335033318073251039701073379759,
-0.0729931217877990394495429419403374932441261816687788533563163323377395217254429050181833064967505478802134768007678458612956459126148837496307967995621683597067400860540057918571357609346700883624064782909888895547912499697295335516804810990011835717296819569741981551097569810739977931249,
0.0729931217877990394495429419403374932441261816687788533563163323377395217254429050181833064967505478802134768007678458612956459126148837496307967995621683597067400860540057918571357609346700883624064782909888895547912499697295335516804810990011835717296819569741981551097569810739977931249,
-0.1214628192961205544703764634922478782186836383371912940423495826006931832245070944213952236889690237679661122848626352437115925113582515415979746598665681268376919737373113667247142315234607397986222184384307059013512155412722263090766858403726100735651684437098923088469949297570988091677,
0.1214628192961205544703764634922478782186836383371912940423495826006931832245070944213952236889690237679661122848626352437115925113582515415979746598665681268376919737373113667247142315234607397986222184384307059013512155412722263090766858403726100735651684437098923088469949297570988091677,
-0.1696444204239928180373136297482698441999902667343778505894178746884342357796505591325925801106834127602396624627746208498838190598644711533868179088757129652678801285453336384132061358206434768209251779433993367981112053126660575920785488821886662635718276505127786854167528795165050389903,
0.1696444204239928180373136297482698441999902667343778505894178746884342357796505591325925801106834127602396624627746208498838190598644711533868179088757129652678801285453336384132061358206434768209251779433993367981112053126660575920785488821886662635718276505127786854167528795165050389903,
-0.217423643740007084149648748988822617578485831141222348630380401885689634737659235537163737740243604800759921292790013642836998201691226098978544332296437547642195961469059807833597096166848933098833151166287901339013986496737408125314858259377210847115061960167857239951500335854820530586,
0.217423643740007084149648748988822617578485831141222348630380401885689634737659235537163737740243604800759921292790013642836998201691226098978544332296437547642195961469059807833597096166848933098833151166287901339013986496737408125314858259377210847115061960167857239951500335854820530586,
-0.2646871622087674163739641725100201179804131362950932439559895448126206429452852982016450901649805445999078728714943692622330016257776575354105370883948495294882935681426154386660616476411740312465060150591301869544672050088454083442813632094277160007745547301572849406353682760306061929911,
0.2646871622087674163739641725100201179804131362950932439559895448126206429452852982016450901649805445999078728714943692622330016257776575354105370883948495294882935681426154386660616476411740312465060150591301869544672050088454083442813632094277160007745547301572849406353682760306061929911,
-0.3113228719902109561575126985601568835577153578680501269954571709858169098868398268719654999460149709757804582988077747605532896065842023340674450299515989484487746153929299031759475919924980452933324186984188982046762542556035347023744560814177013801414889023264804693830155588690576492164,
0.3113228719902109561575126985601568835577153578680501269954571709858169098868398268719654999460149709757804582988077747605532896065842023340674450299515989484487746153929299031759475919924980452933324186984188982046762542556035347023744560814177013801414889023264804693830155588690576492164,
-0.357220158337668115950442615046202531626264464640909112021237019340099177403802509741325589540743874845093675632547750287037622834793938695456980400958079292460482315821150714268593539935795231095157602025909339384694681190969656053235824652679875951093689200190014853543993102190088381483,
0.357220158337668115950442615046202531626264464640909112021237019340099177403802509741325589540743874845093675632547750287037622834793938695456980400958079292460482315821150714268593539935795231095157602025909339384694681190969656053235824652679875951093689200190014853543993102190088381483,
-0.4022701579639916036957667712601588487132652056150208082760431843129087214967261515969669708970990221669508217089555714806012046537594438323569293594638517933840725639831594134038262580440842200076281605641993773325072728778928440394419613403725280285705765326861533477990551765453978736181,
0.4022701579639916036957667712601588487132652056150208082760431843129087214967261515969669708970990221669508217089555714806012046537594438323569293594638517933840725639831594134038262580440842200076281605641993773325072728778928440394419613403725280285705765326861533477990551765453978736181,
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0.6489654712546573398577612319934048855296904334732011728792502624366057598865738239773166627826358871699142531853930525866830933399401844502541092962631127742267449897116125748014270680393024011359139031312062573520509858894743036198986443014969748157931850178889912972291202354657382925509,
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0.6852363130542332425635583710313763019356410785396718681324042749913611976548967332647625541234155413035075739348863233240851709341392873173633850612006618690218164007761541855237208605116527909791956398350719463021018362527198358286721239529091637248252469435642287693207506339068528700205,
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0.7198818501716108268489402178319472447581380033149019526220473151184468592486433646042300919262498902882179891494724046747921544602557246455427317830132976771174504209146835854012577372395960646854355024460204286901035470812684876587693044068989973704915078171158689213412715251485203442313,
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0.7528199072605318966118637748856939855517142713220871932461987761167722639636968539390413583009467924995905147153923286347693864945784890119950315095740891764880991728646942920208355501445550654259850385377192973526980795946453961077798744753892199929235882097232836682421729944934586281945,
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0.7839723589433414076102205252137682840564141249898259334132759617476816578705098509357116190608002325895348207611752987335385494893726027026038902508685496606160441965948835252795524014713290879877269643684102005605450140247125536147801312017065532602835003540212221564314236937509990182173,
-0.8132653151227975597419233380863033406981418225655972166956485149356586346082019870309280128411412936411423614767918756843380999442447282903502051218203273573634847203121451086379808399639198510674436238195505371716160648058477202993836014352158139813219612968106205248494087577632573534973,
0.8132653151227975597419233380863033406981418225655972166956485149356586346082019870309280128411412936411423614767918756843380999442447282903502051218203273573634847203121451086379808399639198510674436238195505371716160648058477202993836014352158139813219612968106205248494087577632573534973,
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0.840629296252580362751691544695873302982489823801755353928202683075593465893922171840726147868117503717663799561956411215937924134571068943700343442753760445948626598735504632170407243376224222403038093781056024445977626666740664628412660960413062370047183186652885532589557452614451434048,
-0.8659993981540928197607833850701575024125019187582496425664279511808356713122188567857456842034906362573453815878913951040194915987006979015304835979058725276345799813088989383312475641092775164460639450521468294104011206574786429237252678172922104036725327539940502197291939132802457917836,
0.8659993981540928197607833850701575024125019187582496425664279511808356713122188567857456842034906362573453815878913951040194915987006979015304835979058725276345799813088989383312475641092775164460639450521468294104011206574786429237252678172922104036725327539940502197291939132802457917836,
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0.8893154459951141058534040382728516224291944615104521893194744566084811090577722526400445910623711480590529533188832105988657269430913287263821624762648137092066620632787986348052306840101775313644572400860845559833367997001666659907951051347410546710134120144598833115095140475669485797579,
-0.9105221370785028057563806680083298610134880848883640292531723714467102234556291968179018775780308458024302103848451312741663820589200520720207891653884985710130867134073520525932445557074805974235006810370309087879564826639263972805682465506594098949560288847385983395160311034445386606259,
0.9105221370785028057563806680083298610134880848883640292531723714467102234556291968179018775780308458024302103848451312741663820589200520720207891653884985710130867134073520525932445557074805974235006810370309087879564826639263972805682465506594098949560288847385983395160311034445386606259,
-0.9295691721319395758214901545592256073474270144297154975928116833612430986265594515998834499355844736686512805129688214992047597092114291955925880175797899765980745854426738149516325837607227287481909072315347776012991222301207304052068204069335766550173941103055407746774520789612843561385,
0.9295691721319395758214901545592256073474270144297154975928116833612430986265594515998834499355844736686512805129688214992047597092114291955925880175797899765980745854426738149516325837607227287481909072315347776012991222301207304052068204069335766550173941103055407746774520789612843561385,
-0.9464113748584028160624814913472647952793949717952331902317789712973664402149436591260928179188420533516264142755452159723722786167537167514691534968355366202934342465086995943893699962972237343218079763936958985487264411542890941861254842843026890160131607678957282346112697993618567018237,
0.9464113748584028160624814913472647952793949717952331902317789712973664402149436591260928179188420533516264142755452159723722786167537167514691534968355366202934342465086995943893699962972237343218079763936958985487264411542890941861254842843026890160131607678957282346112697993618567018237,
-0.9610087996520537189186141218971572067621146110378459494461586158623919945488992563976780806866203786216001498788310714552847469661399216303755820947005848739467276644122915754949838610353627723679982220628115164983443994552616161584523205789167087822341423097206088828267065770404672828066,
0.9610087996520537189186141218971572067621146110378459494461586158623919945488992563976780806866203786216001498788310714552847469661399216303755820947005848739467276644122915754949838610353627723679982220628115164983443994552616161584523205789167087822341423097206088828267065770404672828066,
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0.9733268277899109637418535073522726680261452944551741758819139781978152256958453749994966038154125547612207903105020176172420237675899907788807087542221018040460410464083361271842759039530092449625891215101984663282728542290395875313124045226564547294745437773482395329023327909760431499638,
-0.9833362538846259569312993021568311169452475066237403837464872131233426128415470535606559721330818003585532628124845662897410684694651251174207713020897795837892725294581710205598344576799985346970638130204876060998657059283079767876980544166132523941283823202290746667358872631036031924711,
0.9833362538846259569312993021568311169452475066237403837464872131233426128415470535606559721330818003585532628124845662897410684694651251174207713020897795837892725294581710205598344576799985346970638130204876060998657059283079767876980544166132523941283823202290746667358872631036031924711,
-0.9910133714767443207393823834433031136413494453907904852225427459378131658644129997345108950133770434340330151289100150097018332483423277136039914249575686591612502752158650205954671083696496347591169012794322303027309768195334920157669446268175983954105533989275308193580349506657360682085,
0.9910133714767443207393823834433031136413494453907904852225427459378131658644129997345108950133770434340330151289100150097018332483423277136039914249575686591612502752158650205954671083696496347591169012794322303027309768195334920157669446268175983954105533989275308193580349506657360682085,
-0.9963401167719552793469245006763991232098575063402266121352522199507030568202208530946066801021703916301511794658310735397567341036554686814952726523955953805437164277655915410358813984246580862850974195805395101678543649116458555272523253307828290553873260588621490898443701779725568118502,
0.9963401167719552793469245006763991232098575063402266121352522199507030568202208530946066801021703916301511794658310735397567341036554686814952726523955953805437164277655915410358813984246580862850974195805395101678543649116458555272523253307828290553873260588621490898443701779725568118502,
-0.9993050417357721394569056243456363119697121916756087760628072954617646543505331997843242376462639434945376776512170265314011232493020401570891594274831367800115383317335285468800574240152992751785027563437707875403545865305271045717258142571193695943317890367167086616955235477529427992282,
0.9993050417357721394569056243456363119697121916756087760628072954617646543505331997843242376462639434945376776512170265314011232493020401570891594274831367800115383317335285468800574240152992751785027563437707875403545865305271045717258142571193695943317890367167086616955235477529427992282
};
static const double C[] = {
0.0486909570091397203833653907347499124426286922838743305086688042456914190998246107310291565645676057401607079939845156005172257043376703767287395573765236401039685866479381075274920900511719320271157129622463682509122641788910270632229694394595885032921037399187298767076084601033342936131,
0.0486909570091397203833653907347499124426286922838743305086688042456914190998246107310291565645676057401607079939845156005172257043376703767287395573765236401039685866479381075274920900511719320271157129622463682509122641788910270632229694394595885032921037399187298767076084601033342936131,
0.0485754674415034269347990667839781136875565447049294857111516761025158193093697039229163427633930410186232149083923688162761488505704450697417589593116703853157329164894580165517236877241308351214870169600093357854651930986960906313726182992933363325614247750209880050786299287510692780499,
0.0485754674415034269347990667839781136875565447049294857111516761025158193093697039229163427633930410186232149083923688162761488505704450697417589593116703853157329164894580165517236877241308351214870169600093357854651930986960906313726182992933363325614247750209880050786299287510692780499,
0.048344762234802957169769527158017809703692550609501080629442201445249828946429202156764153264348308119169811534137999799779908820312744765416129733427088646813066886130539178187597540312913636916139844188190193872629488730769015964208394624398401975043997268903006190530430762197842013971,
0.048344762234802957169769527158017809703692550609501080629442201445249828946429202156764153264348308119169811534137999799779908820312744765416129733427088646813066886130539178187597540312913636916139844188190193872629488730769015964208394624398401975043997268903006190530430762197842013971,
0.0479993885964583077281261798713460699543167134714936209446323930933335214619650277588138568504103427609283146728470455041360837549685364869161566863222680599110109210456299588352028330169041000166382937545505655464884266691630625402297821494221827392164049587946530563778771030124675514431,
0.0479993885964583077281261798713460699543167134714936209446323930933335214619650277588138568504103427609283146728470455041360837549685364869161566863222680599110109210456299588352028330169041000166382937545505655464884266691630625402297821494221827392164049587946530563778771030124675514431,
0.0475401657148303086622822069442231716408252512625387521584740318784735191312349586041971325618543660076682369564304738487584849740943805934034367382833518752314207901993991333786062812015195073547884746598535775062676699885664167707011249029305697669004958515813436770491520105115843742005,
0.0475401657148303086622822069442231716408252512625387521584740318784735191312349586041971325618543660076682369564304738487584849740943805934034367382833518752314207901993991333786062812015195073547884746598535775062676699885664167707011249029305697669004958515813436770491520105115843742005,
0.0469681828162100173253262857545810751998975284738125649829240886861900500181800807437012381630302198876925642461830694029139318555787845567143614289552410495903601238284556145544858090965965782916339169651505119399637862876053945518410353459767034026687936026945199383607112976484520939933,
0.0469681828162100173253262857545810751998975284738125649829240886861900500181800807437012381630302198876925642461830694029139318555787845567143614289552410495903601238284556145544858090965965782916339169651505119399637862876053945518410353459767034026687936026945199383607112976484520939933,
0.0462847965813144172959532492322611849696503075324468007778340818364698861774606986244241539105685321088517142947579291476238551538798963436740600968513359005801910700069462154098456091711311098901749803777735222026075473081311483686560830539773763176758567914860207820170792365910140063798,
0.0462847965813144172959532492322611849696503075324468007778340818364698861774606986244241539105685321088517142947579291476238551538798963436740600968513359005801910700069462154098456091711311098901749803777735222026075473081311483686560830539773763176758567914860207820170792365910140063798,
0.0454916279274181444797709969712690588873234618023998968168834081606504637618082102750954507142497706775055424364453740562113890878382679420378787427100982909191308430750899201141096789461078632697297091763378573830284133736378128577579722120264252594541491899441765769262904055702701625378,
0.0454916279274181444797709969712690588873234618023998968168834081606504637618082102750954507142497706775055424364453740562113890878382679420378787427100982909191308430750899201141096789461078632697297091763378573830284133736378128577579722120264252594541491899441765769262904055702701625378,
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0.0445905581637565630601347100309448432940237999912217256432193286861948363377761089569585678875932857237669096941854082976565514031401996407675401022860761183118504326746863327792604337217763335682212515058414863183914930810334329596384915832703655935958010948424747251920190851700662833367,
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0.0435837245293234533768278609737374809227888974971180150532193925502569499020021803936448815937567079991401855477391110804568848623412043870399620479222000249538880795788245633051476595555730388360811011823841525667998427392843673284072004068821750061964976796287623004834501604656318714989,
0.0424735151236535890073397679088173661655466481806496697314607722055245433487169327182398988553670128358787507582463602377168227019625334754497484024668087975720049504975593281010888062806587161032924284354938115463233015024659299046001504100674918329532481611571863222497170398830691222425,
0.0424735151236535890073397679088173661655466481806496697314607722055245433487169327182398988553670128358787507582463602377168227019625334754497484024668087975720049504975593281010888062806587161032924284354938115463233015024659299046001504100674918329532481611571863222497170398830691222425,
0.0412625632426235286101562974736380477399306355305474105429034779122704951178045914463267035032832336161816547420067160277921114474557623647771372636679857599931025531633255548770293397336318597716427093310378312957479805159734598610664983115148350548735211568465338522875618805992499897174,
0.0412625632426235286101562974736380477399306355305474105429034779122704951178045914463267035032832336161816547420067160277921114474557623647771372636679857599931025531633255548770293397336318597716427093310378312957479805159734598610664983115148350548735211568465338522875618805992499897174,
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0.0385501531786156291289624969468089910127871122017180319662378854088005271323682681394418540442928363090545214563022868422017877042243007014244875098498616146404178795110038170109976252865902624380463581094085479557660525450020049773872343621719025128277593787164021147974906095237533202082,
0.0385501531786156291289624969468089910127871122017180319662378854088005271323682681394418540442928363090545214563022868422017877042243007014244875098498616146404178795110038170109976252865902624380463581094085479557660525450020049773872343621719025128277593787164021147974906095237533202082,
0.0370551285402400460404151018095833750834649453056563021747536272028091562122966687178302646649066832960609370472485057031765338738734008482025086366647963664178752038995704175623165041724901843573087856883034472545386037691055680911138721623610172486110313241291773258491882452773847899443,
0.0370551285402400460404151018095833750834649453056563021747536272028091562122966687178302646649066832960609370472485057031765338738734008482025086366647963664178752038995704175623165041724901843573087856883034472545386037691055680911138721623610172486110313241291773258491882452773847899443,
0.0354722132568823838106931467152459479480946310024100946926514848199381113651392962399922996268087884509143420993419937430515415557908457195618550238075571721209638845910166697234073788332647695349442265578792857058786796417110738673392400570019770741873271724201517438135222598792344040215,
0.0354722132568823838106931467152459479480946310024100946926514848199381113651392962399922996268087884509143420993419937430515415557908457195618550238075571721209638845910166697234073788332647695349442265578792857058786796417110738673392400570019770741873271724201517438135222598792344040215,
0.0338051618371416093915654821107254310210499263140045346675500650400323727745785853730452808963944098691936344225349051741060036935288424090581463711756382878498537611980973238606529148664990420534952057130296232922368792280098852092993207644225150541876980292972087619863453425206929192216,
0.0338051618371416093915654821107254310210499263140045346675500650400323727745785853730452808963944098691936344225349051741060036935288424090581463711756382878498537611980973238606529148664990420534952057130296232922368792280098852092993207644225150541876980292972087619863453425206929192216,
0.032057928354851553585467504347898716966221573881398062250169407854535275399124366530227987935629046729162364779969274126431870966979526186907589490002269660893281421728773647001279141626157958271220102615163092206489916992120482595587916535390136003611498634162765724522022671474313619317,
0.032057928354851553585467504347898716966221573881398062250169407854535275399124366530227987935629046729162364779969274126431870966979526186907589490002269660893281421728773647001279141626157958271220102615163092206489916992120482595587916535390136003611498634162765724522022671474313619317,
0.030234657072402478867974059819548659158281397768481241636026542045969161851838118212761980885178641520596873511042783163461341979185470882574743804555268086640389062237383427702813367624714014426121485626242067362445894463989335423458464954799181190120473168677930333898873084606011285311,
0.030234657072402478867974059819548659158281397768481241636026542045969161851838118212761980885178641520596873511042783163461341979185470882574743804555268086640389062237383427702813367624714014426121485626242067362445894463989335423458464954799181190120473168677930333898873084606011285311,
0.0283396726142594832275113052002373519812075841257543359907955185084500175712880712901834579816476269393013386531176072296695948860841466158639973753393323262188023471133258509422081952937349849822864752636994881600343083839805990853930436233762729622213044478376753949590318846038229829528,
0.0283396726142594832275113052002373519812075841257543359907955185084500175712880712901834579816476269393013386531176072296695948860841466158639973753393323262188023471133258509422081952937349849822864752636994881600343083839805990853930436233762729622213044478376753949590318846038229829528,
0.0263774697150546586716917926252251856755993308422457184496156736853021592428967790284780487213653480867620409279447766944383920384284787790772384251090745670478105870527396429136326932261251511732466974897397268573168068852344129736214469830280087710575094607457344820944885011053938108899,
0.0263774697150546586716917926252251856755993308422457184496156736853021592428967790284780487213653480867620409279447766944383920384284787790772384251090745670478105870527396429136326932261251511732466974897397268573168068852344129736214469830280087710575094607457344820944885011053938108899,
0.0243527025687108733381775504090689876499784155133784119819985685535536787083770723737264828464464223276155821319330210193549896426801083040150047332857692873011433649334477370145389017577189505240415125600908800786897201425473757275187332157593198572919772969833130729981971352463730545469,
0.0243527025687108733381775504090689876499784155133784119819985685535536787083770723737264828464464223276155821319330210193549896426801083040150047332857692873011433649334477370145389017577189505240415125600908800786897201425473757275187332157593198572919772969833130729981971352463730545469,
0.0222701738083832541592983303841550024229592905997594051455205429744914460867081990116647982811451138592401156680063927909718825845915896692701716212710541472344073624315399429951255221519263275095347974129106415903376085208797420439500915674568159744176912567285070988940509294826076696882,
0.0222701738083832541592983303841550024229592905997594051455205429744914460867081990116647982811451138592401156680063927909718825845915896692701716212710541472344073624315399429951255221519263275095347974129106415903376085208797420439500915674568159744176912567285070988940509294826076696882,
0.0201348231535302093723403167285438970895266801007919519220072343276769828211923597982299498416998597995443052252531684909219367615574440281549241161294448697202959593344989612626641188010558013085389491205901106884167596038790695150496733123662891637942237462337673353651179115491957031948,
0.0201348231535302093723403167285438970895266801007919519220072343276769828211923597982299498416998597995443052252531684909219367615574440281549241161294448697202959593344989612626641188010558013085389491205901106884167596038790695150496733123662891637942237462337673353651179115491957031948,
0.0179517157756973430850453020011193688971673570364158572977184273569247295870620984743089140579199272107974903016785911970727080884655646148340637373001805876560334052431930062983734905886704331100259778249929425439377011315288821865303197904492848823994202996722656114004109123107733596987,
0.0179517157756973430850453020011193688971673570364158572977184273569247295870620984743089140579199272107974903016785911970727080884655646148340637373001805876560334052431930062983734905886704331100259778249929425439377011315288821865303197904492848823994202996722656114004109123107733596987,
0.0157260304760247193219659952975397944260290098431565121528943932284210502164124556525745628476326997189475680077625258949765335021586482683126547283634704087193102431454662772463321304938516661086261262080252305539171654570677889578063634007609097342035360186636479612243231917699790225637,
0.0157260304760247193219659952975397944260290098431565121528943932284210502164124556525745628476326997189475680077625258949765335021586482683126547283634704087193102431454662772463321304938516661086261262080252305539171654570677889578063634007609097342035360186636479612243231917699790225637,
0.0134630478967186425980607666859556841084257719773496708184682785221983598894666268489697837056105038485845901773961664652581563686185523959473293683490869846700009741156668864960127745507806046701586435579547632680339906665338521813319281296935586498194608460412423723103161161922347608637,
0.0134630478967186425980607666859556841084257719773496708184682785221983598894666268489697837056105038485845901773961664652581563686185523959473293683490869846700009741156668864960127745507806046701586435579547632680339906665338521813319281296935586498194608460412423723103161161922347608637,
0.011168139460131128818590493019208135072778797816827287215251362273969701224836131369547661822970774719521543690039908073147476182135228738610704246958518755712518444434075738269866120460156365855324768445411463643114925829148750923090201475035559533993035986264487097245733097728698218563,
0.011168139460131128818590493019208135072778797816827287215251362273969701224836131369547661822970774719521543690039908073147476182135228738610704246958518755712518444434075738269866120460156365855324768445411463643114925829148750923090201475035559533993035986264487097245733097728698218563,
0.0088467598263639477230309146597306476951762660792204997984715769296110380005985367341694286322550520156167431790573509593010611842062630262878798782558974712042810219159674181580449655112696028911646066461502678711637780164986283350190669684468398617127841853445303466680698660632269500149,
0.0088467598263639477230309146597306476951762660792204997984715769296110380005985367341694286322550520156167431790573509593010611842062630262878798782558974712042810219159674181580449655112696028911646066461502678711637780164986283350190669684468398617127841853445303466680698660632269500149,
0.0065044579689783628561173603999812667711317610549523400952448792575685125717613068203530526491113296049409911387320826711045787146267036866881961532403342811327869183281273743976710008917886491097375367147212074243884772614562628844975421736416404173672075979097191581386023407454532945934,
0.0065044579689783628561173603999812667711317610549523400952448792575685125717613068203530526491113296049409911387320826711045787146267036866881961532403342811327869183281273743976710008917886491097375367147212074243884772614562628844975421736416404173672075979097191581386023407454532945934,
0.0041470332605624676352875357285514153133028192536848024628763661431834776690157393776820933106187137592011723199002845429836606307797425496666456172753165824787973801175029578301513761259541022471768825518482406145696380621686627285992715643614469568410535180218496973657001203470470418364,
0.0041470332605624676352875357285514153133028192536848024628763661431834776690157393776820933106187137592011723199002845429836606307797425496666456172753165824787973801175029578301513761259541022471768825518482406145696380621686627285992715643614469568410535180218496973657001203470470418364,
0.0017832807216964329472960791449719331799593472719279556695308063655858546954239803486698215802150348282744786016134857283616955449868451969230490863774274598030023211055562492709717566919237924255297982774711177411074145151155610163293142044147991553384925940046957893721166251082473659733,
0.0017832807216964329472960791449719331799593472719279556695308063655858546954239803486698215802150348282744786016134857283616955449868451969230490863774274598030023211055562492709717566919237924255297982774711177411074145151155610163293142044147991553384925940046957893721166251082473659733
};
#else
/* n = 32 */
static double T[] = {
-0.0483076656877383162348125704405021636908472517308488971677937345463685926042778777794060365911173780988289503411375793689757446357461295741679964108035347980667582792392651327368009453047606446744575790523465655622949909588624860214137051585425884056992683442137333250625173849291299678673,
0.0483076656877383162348125704405021636908472517308488971677937345463685926042778777794060365911173780988289503411375793689757446357461295741679964108035347980667582792392651327368009453047606446744575790523465655622949909588624860214137051585425884056992683442137333250625173849291299678673,
-0.1444719615827964934851863735988106522038459913156355521379528938242184438164519731102406769974924713989580220758441301598578946580142268413547299935841673092513202403499286272686350814272974392746706128556678811982653393383080797337231702069432462445053984587997153683967433095128570624414,
0.1444719615827964934851863735988106522038459913156355521379528938242184438164519731102406769974924713989580220758441301598578946580142268413547299935841673092513202403499286272686350814272974392746706128556678811982653393383080797337231702069432462445053984587997153683967433095128570624414,
-0.2392873622521370745446032091655015206088554219602530155470960995597029133039943915553593695844147813728958071901224632260145752503694970545640339873418480550362677768010887468668377893757173424222709744116861683634989914911762187599464033126988486345234374380695224452457957624756811128321,
0.2392873622521370745446032091655015206088554219602530155470960995597029133039943915553593695844147813728958071901224632260145752503694970545640339873418480550362677768010887468668377893757173424222709744116861683634989914911762187599464033126988486345234374380695224452457957624756811128321,
-0.3318686022821276497799168057301879961957751368050598360182296306285376829657438169809731852312743263005943551508559377834274303920771100489026913715847854727626540340157368609696698131829681988642689780208633461925468064919389286805624602715005948661328152252049795463242055567997437182143,
0.3318686022821276497799168057301879961957751368050598360182296306285376829657438169809731852312743263005943551508559377834274303920771100489026913715847854727626540340157368609696698131829681988642689780208633461925468064919389286805624602715005948661328152252049795463242055567997437182143,
-0.4213512761306353453641194361724264783358772886324433305416613404557190462549837315607633055675740638739884093394574651160978879545562247406839036854173715776910866941643197988581928900702286425821151586000969947406313405310082646561917980302543820974679501841964453794193724645925031841919,
0.4213512761306353453641194361724264783358772886324433305416613404557190462549837315607633055675740638739884093394574651160978879545562247406839036854173715776910866941643197988581928900702286425821151586000969947406313405310082646561917980302543820974679501841964453794193724645925031841919,
-0.5068999089322293900237474743778212301802836995994354639743662809707712640478764442266190213124522047999876916596854537447047905434649918210338296049592120273725464263651562560829050004258268002241145951271730860506703690843719936432852920782304931272053564539127514959875734718036950073563,
0.5068999089322293900237474743778212301802836995994354639743662809707712640478764442266190213124522047999876916596854537447047905434649918210338296049592120273725464263651562560829050004258268002241145951271730860506703690843719936432852920782304931272053564539127514959875734718036950073563,
-0.5877157572407623290407454764018268584509401154544205727031788473129228586684474311408145102018661764979429510790747919023774933113319119601088669936958908618326367715806216053155906936017362413244183150445492317940727345571648726363597097311647731726438279098059670236086983675374932643925,
0.5877157572407623290407454764018268584509401154544205727031788473129228586684474311408145102018661764979429510790747919023774933113319119601088669936958908618326367715806216053155906936017362413244183150445492317940727345571648726363597097311647731726438279098059670236086983675374932643925,
-0.6630442669302152009751151686632383689770222859605053010170834964924461749232229404368981536611965356686820332804126742949900731319113817214392193185613161549689934301410316417342588149871686184296988807305719690974644891055567340650986465615021143958920599684258616066247948224049997371166,
0.6630442669302152009751151686632383689770222859605053010170834964924461749232229404368981536611965356686820332804126742949900731319113817214392193185613161549689934301410316417342588149871686184296988807305719690974644891055567340650986465615021143958920599684258616066247948224049997371166,
-0.732182118740289680387426665091267146630270483506629100821139573270385253587797727611292298988652560055905228466313310601075333829094630570926240639601009902567982815376254840388565733846030450161774620971196087756484387383432502715118096615117242484073636640563609696801484680439912327302,
0.732182118740289680387426665091267146630270483506629100821139573270385253587797727611292298988652560055905228466313310601075333829094630570926240639601009902567982815376254840388565733846030450161774620971196087756484387383432502715118096615117242484073636640563609696801484680439912327302,
-0.7944837959679424069630972989704289020954794016388354532507582449720593922816426654241878967890821228397041480126630294067578180914548706957761322921470535094589673860419616615738928385807346185892317514562489971543238450942224396667500582904031225063621511429185567036727089257387570529468,
0.7944837959679424069630972989704289020954794016388354532507582449720593922816426654241878967890821228397041480126630294067578180914548706957761322921470535094589673860419616615738928385807346185892317514562489971543238450942224396667500582904031225063621511429185567036727089257387570529468,
-0.849367613732569970133693004967742538954886793049759233100219598613724656141562558741881463752754991143937635778596582088915769685796612254240615386941355933272723068952531445772190363422003834495043219316062885999846179078139659341918527603834809670576387535564876596379488780285979062125,
0.849367613732569970133693004967742538954886793049759233100219598613724656141562558741881463752754991143937635778596582088915769685796612254240615386941355933272723068952531445772190363422003834495043219316062885999846179078139659341918527603834809670576387535564876596379488780285979062125,
-0.8963211557660521239653072437192122684789964967957595765636154129650249794910409173494503783167666654202705333374285522819507600044591355080910768854012859468015827508424619812224062460791781333400979810176198916239783226706506012473250929962326307746466256167673927887144428859779028909399,
0.8963211557660521239653072437192122684789964967957595765636154129650249794910409173494503783167666654202705333374285522819507600044591355080910768854012859468015827508424619812224062460791781333400979810176198916239783226706506012473250929962326307746466256167673927887144428859779028909399,
-0.9349060759377396891709191348354093255286714322828372184584037398118161947182932855418880831417927728359606280450921427988850058691931014887248988124656348299653052688344696135840215712191162135178273756415771123010111796122671724143565383396162107206772781551029308751511942924942333859805,
0.9349060759377396891709191348354093255286714322828372184584037398118161947182932855418880831417927728359606280450921427988850058691931014887248988124656348299653052688344696135840215712191162135178273756415771123010111796122671724143565383396162107206772781551029308751511942924942333859805,
-0.9647622555875064307738119281182749603888952204430187193220113218370995254867038008243801877562227002840740910741483519987441236283464394249183812395373150090695515823078220949436846111682404866338388944248976976566275875721000356873959697266702651250019105084704924793016185368873243713355,
0.9647622555875064307738119281182749603888952204430187193220113218370995254867038008243801877562227002840740910741483519987441236283464394249183812395373150090695515823078220949436846111682404866338388944248976976566275875721000356873959697266702651250019105084704924793016185368873243713355,
-0.9856115115452683354001750446309019786323957143358063182107821705820305847193755946663846485510970266115353839862364606643634021712823093784875255943834038377710426488328772047833289470320023596895438028281274741367781028592272459887917924171204666683239464005128153533797603112851826904814,
0.9856115115452683354001750446309019786323957143358063182107821705820305847193755946663846485510970266115353839862364606643634021712823093784875255943834038377710426488328772047833289470320023596895438028281274741367781028592272459887917924171204666683239464005128153533797603112851826904814,
-0.9972638618494815635449811286650407271385376637294611593011185457862359083917418520130456693085426416474280482200936551645510686196373231416035137741332968299789863385253514914078766236061488136738023162574655835389902337937054326098485227311719825229066712510246574949376367552421728646398,
0.9972638618494815635449811286650407271385376637294611593011185457862359083917418520130456693085426416474280482200936551645510686196373231416035137741332968299789863385253514914078766236061488136738023162574655835389902337937054326098485227311719825229066712510246574949376367552421728646398
};
static double C[] = {
0.0965400885147278005667648300635757947368606312355700687323182099577497758679466512968173871061464644599963197828969869820251559172455698832434930732077927850876632725829187045819145660710266452161095406358159608874152584850413283587913891015545638518881205600825069096855488296437485836866,
0.0965400885147278005667648300635757947368606312355700687323182099577497758679466512968173871061464644599963197828969869820251559172455698832434930732077927850876632725829187045819145660710266452161095406358159608874152584850413283587913891015545638518881205600825069096855488296437485836866,
0.0956387200792748594190820022041311005948905081620055509529898509437067444366006256133614167190847508238474888230077112990752876436158047205555474265705582078453283640212465537132165041268773645168746774530146140911679782502276289938840330631903789120176765314495900053061764438990021439069,
0.0956387200792748594190820022041311005948905081620055509529898509437067444366006256133614167190847508238474888230077112990752876436158047205555474265705582078453283640212465537132165041268773645168746774530146140911679782502276289938840330631903789120176765314495900053061764438990021439069,
0.0938443990808045656391802376681172600361000757462364500506275696355695118623098075097804207682530277555307864917078828352419853248607668520631751470962234105835015158485760721979732297206950719908744248285672032436598213262204039212897239890934116841559005147755270269705682414708355646603,
0.0938443990808045656391802376681172600361000757462364500506275696355695118623098075097804207682530277555307864917078828352419853248607668520631751470962234105835015158485760721979732297206950719908744248285672032436598213262204039212897239890934116841559005147755270269705682414708355646603,
0.0911738786957638847128685771116370625448614132753900053231278739777031520613017513597426417145878622654027367650308019870251963114683369110451524174258161390823876554910693202594383388549640738095422966058367070348943662290656339592299608558384147559830707904449930677260444604329157917977,
0.0911738786957638847128685771116370625448614132753900053231278739777031520613017513597426417145878622654027367650308019870251963114683369110451524174258161390823876554910693202594383388549640738095422966058367070348943662290656339592299608558384147559830707904449930677260444604329157917977,
0.0876520930044038111427714627518022875484497217017572223192228034747061150211380239263021665771581379364685191248848158059408000065275041643745927401342920150588893827207354226012701872322225514682178439577327346929209121046816487338309068375228210705166692551938339727096609740531893725675,
0.0876520930044038111427714627518022875484497217017572223192228034747061150211380239263021665771581379364685191248848158059408000065275041643745927401342920150588893827207354226012701872322225514682178439577327346929209121046816487338309068375228210705166692551938339727096609740531893725675,
0.0833119242269467552221990746043486115387468839428344598401864047287594069244380966536255650452315042012372905572506028852130723585016898197140339352228963465326746426938359210160503509807644396182380868089959855742801355208471205261406307895519604387550841954817025499019984032594036141439,
0.0833119242269467552221990746043486115387468839428344598401864047287594069244380966536255650452315042012372905572506028852130723585016898197140339352228963465326746426938359210160503509807644396182380868089959855742801355208471205261406307895519604387550841954817025499019984032594036141439,
0.078193895787070306471740918828306671039786798482159190307481553869493700115196435401943819761440851294456424770323467367505109006517482028994114252939401250416132320553639542341400437522236191275346323130525969269563653003188829786549728825182082678498917784036375053244425839341945385297,
0.078193895787070306471740918828306671039786798482159190307481553869493700115196435401943819761440851294456424770323467367505109006517482028994114252939401250416132320553639542341400437522236191275346323130525969269563653003188829786549728825182082678498917784036375053244425839341945385297,
0.0723457941088485062253993564784877916043369833018248707397632823511765345816800402874475958591657429073027694582930574378890633404841054620298756279975430795706338162404545590689277985270140590721779502609564199074051863640176937117952488466002340085264819537808079947788437998042296495822,
0.0723457941088485062253993564784877916043369833018248707397632823511765345816800402874475958591657429073027694582930574378890633404841054620298756279975430795706338162404545590689277985270140590721779502609564199074051863640176937117952488466002340085264819537808079947788437998042296495822,
0.0658222227763618468376500637069387728775364473732465153710916696852412442018627316280044447764609054151761388378861151807154113495715653711918644796313239555117970398473141615070299152284100887258072240524028885129828725430021172354299810423059697133688823072212214503334259555369485963074,
0.0658222227763618468376500637069387728775364473732465153710916696852412442018627316280044447764609054151761388378861151807154113495715653711918644796313239555117970398473141615070299152284100887258072240524028885129828725430021172354299810423059697133688823072212214503334259555369485963074,
0.0586840934785355471452836373001708867501204674575467587150032786132877518019090643743123653437052116901895704813134467814193905269714480573030647540887991405215103758723074481312705449946311993670933802369300463315125015975216910705047901943865293781921122370996257470349807212516159332678,
0.0586840934785355471452836373001708867501204674575467587150032786132877518019090643743123653437052116901895704813134467814193905269714480573030647540887991405215103758723074481312705449946311993670933802369300463315125015975216910705047901943865293781921122370996257470349807212516159332678,
0.0509980592623761761961632446895216952601847767397628437069071236525030510385137821267442193868358292147899714519363571211100873456269865150186456681043804358654826791768545393024953758025593924464295555854744882720755747096079325496814455853004350452095212995888025282619932613606999567133,
0.0509980592623761761961632446895216952601847767397628437069071236525030510385137821267442193868358292147899714519363571211100873456269865150186456681043804358654826791768545393024953758025593924464295555854744882720755747096079325496814455853004350452095212995888025282619932613606999567133,
0.0428358980222266806568786466061255284928108575989407395620219408911043916962572261359138025961596979511472539467367407419206021900868371610612953162236233351132214438513203223655531564777278515080476421262443325932320214191168239648611793958596884827086182431203349730049744697408543115307,
0.0428358980222266806568786466061255284928108575989407395620219408911043916962572261359138025961596979511472539467367407419206021900868371610612953162236233351132214438513203223655531564777278515080476421262443325932320214191168239648611793958596884827086182431203349730049744697408543115307,
0.0342738629130214331026877322523727069948402029116274337814057454192310522168984446294442724624445760666244242305266023810860790282088335398182296698622433517061843276344829146573593201201081743714879684153735672789104567624853712011151505225193933019375481618760594889854480408562043658635,
0.0342738629130214331026877322523727069948402029116274337814057454192310522168984446294442724624445760666244242305266023810860790282088335398182296698622433517061843276344829146573593201201081743714879684153735672789104567624853712011151505225193933019375481618760594889854480408562043658635,
0.0253920653092620594557525897892240292875540475469487209362512822192154788532376645960457016338988332029324531233401833547954942765653767672102838323550828207273795044402516181251040411735351747299230615776597356956641506445501689924551185923348003766988424170511157069264716719906995309826,
0.0253920653092620594557525897892240292875540475469487209362512822192154788532376645960457016338988332029324531233401833547954942765653767672102838323550828207273795044402516181251040411735351747299230615776597356956641506445501689924551185923348003766988424170511157069264716719906995309826,
0.0162743947309056706051705622063866181795429637952095664295931749613369651752917857651844425586692833071042366002861684552859449530958901379260437604156888337987656773068694383447504913457771896770689760342192010638946676879735404121702279005140285599424477022083127753774756520463311689155,
0.0162743947309056706051705622063866181795429637952095664295931749613369651752917857651844425586692833071042366002861684552859449530958901379260437604156888337987656773068694383447504913457771896770689760342192010638946676879735404121702279005140285599424477022083127753774756520463311689155,
0.0070186100094700966004070637388531825133772207289396032320082356192151241454178686953297376907573215077936155545790593837513204206518026084505878987243348925784479817181234617862457418214505322067610482902501455504204433524520665822704844582452877416001060465891907497519632353148380799619,
0.0070186100094700966004070637388531825133772207289396032320082356192151241454178686953297376907573215077936155545790593837513204206518026084505878987243348925784479817181234617862457418214505322067610482902501455504204433524520665822704844582452877416001060465891907497519632353148380799619
};
#endif
-2502
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-189
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@@ -1,189 +0,0 @@
/*
* Copyright © 2020 Benjamin Otte
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#pragma once
#include "gskpathopprivate.h"
#include "gskpath.h"
#include "gskboundingboxprivate.h"
G_BEGIN_DECLS
typedef gpointer gskpathop;
typedef union _GskCurve GskCurve;
typedef struct _GskLineCurve GskLineCurve;
typedef struct _GskQuadCurve GskQuadCurve;
typedef struct _GskCubicCurve GskCubicCurve;
typedef struct _GskConicCurve GskConicCurve;
struct _GskLineCurve
{
GskPathOperation op;
gboolean padding;
graphene_point_t points[2];
};
struct _GskQuadCurve
{
GskPathOperation op;
gboolean has_coefficients;
graphene_point_t points[3];
graphene_point_t coeffs[3];
};
struct _GskCubicCurve
{
GskPathOperation op;
gboolean has_coefficients;
graphene_point_t points[4];
graphene_point_t coeffs[4];
};
struct _GskConicCurve
{
GskPathOperation op;
gboolean has_coefficients;
/* points[0], points[1], points[3] are the control points,
* points[2].x is the weight
*/
graphene_point_t points[4];
graphene_point_t num[3];
graphene_point_t denom[3];
};
union _GskCurve
{
GskPathOperation op;
GskLineCurve line;
GskQuadCurve quad;
GskCubicCurve cubic;
GskConicCurve conic;
};
typedef enum {
GSK_CURVE_LINE_REASON_STRAIGHT,
GSK_CURVE_LINE_REASON_SHORT
} GskCurveLineReason;
typedef gboolean (* GskCurveAddLineFunc) (const graphene_point_t *from,
const graphene_point_t *to,
float from_progress,
float to_progress,
GskCurveLineReason reason,
gpointer user_data);
typedef gboolean (* GskCurveAddCurveFunc) (GskPathOperation op,
const graphene_point_t *pts,
gsize n_pts,
float weight,
gpointer user_data);
void gsk_curve_init (GskCurve *curve,
gskpathop op);
void gsk_curve_init_foreach (GskCurve *curve,
GskPathOperation op,
const graphene_point_t *pts,
gsize n_pts,
float weight);
void gsk_curve_print (const GskCurve *curve,
GString *string);
char * gsk_curve_to_string (const GskCurve *curve);
gskpathop gsk_curve_pathop (const GskCurve *curve);
const graphene_point_t *gsk_curve_get_start_point (const GskCurve *curve);
const graphene_point_t *gsk_curve_get_end_point (const GskCurve *curve);
void gsk_curve_get_start_tangent (const GskCurve *curve,
graphene_vec2_t *tangent);
void gsk_curve_get_end_tangent (const GskCurve *curve,
graphene_vec2_t *tangent);
void gsk_curve_get_point (const GskCurve *curve,
float progress,
graphene_point_t *pos);
void gsk_curve_get_tangent (const GskCurve *curve,
float progress,
graphene_vec2_t *tangent);
void gsk_curve_reverse (const GskCurve *curve,
GskCurve *reverse);
void gsk_curve_split (const GskCurve *curve,
float progress,
GskCurve *start,
GskCurve *end);
void gsk_curve_segment (const GskCurve *curve,
float start,
float end,
GskCurve *segment);
gboolean gsk_curve_decompose (const GskCurve *curve,
float tolerance,
GskCurveAddLineFunc add_line_func,
gpointer user_data);
gboolean gsk_curve_decompose_curve (const GskCurve *curve,
GskPathForeachFlags flags,
float tolerance,
GskCurveAddCurveFunc add_curve_func,
gpointer user_data);
#define gsk_curve_builder_to(curve, builder) gsk_path_builder_pathop_to ((builder), gsk_curve_pathop (curve))
float gsk_curve_get_curvature (const GskCurve *curve,
float t,
graphene_point_t *center);
void gsk_curve_get_bounds (const GskCurve *curve,
GskBoundingBox *bounds);
void gsk_curve_get_tight_bounds (const GskCurve *curve,
GskBoundingBox *bounds);
void gsk_curve_get_derivative_at (const GskCurve *curve,
float t,
graphene_point_t *value);
int gsk_curve_get_crossing (const GskCurve *curve,
const graphene_point_t *point);
gboolean gsk_curve_get_closest_point (const GskCurve *curve,
const graphene_point_t *point,
float threshold,
float *out_dist,
float *out_t);
float gsk_curve_get_length (const GskCurve *curve);
float gsk_curve_get_length_to (const GskCurve *curve,
float t);
float gsk_curve_at_length (const GskCurve *curve,
float distance,
float epsilon);
int gsk_curve_get_curvature_points (const GskCurve * curve,
float t[3]);
G_END_DECLS
+4 -165
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@@ -1,5 +1,5 @@
/* GSK - The GTK Scene Kit
* Copyright 2016 Endless
* Copyright 2016 Endless
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@@ -51,9 +51,7 @@
* @GSK_GL_SHADER_NODE: A node that uses OpenGL fragment shaders to render
* @GSK_TEXTURE_SCALE_NODE: A node drawing a `GdkTexture` scaled and filtered (Since: 4.10)
* @GSK_MASK_NODE: A node that masks one child with another (Since: 4.10)
* @GSK_FILL_NODE: A node that fills a path
* @GSK_STROKE_NODE: A node that strokes a path
* The type of a node determines what the node is rendering.
*/
typedef enum {
@@ -84,9 +82,7 @@ typedef enum {
GSK_DEBUG_NODE,
GSK_GL_SHADER_NODE,
GSK_TEXTURE_SCALE_NODE,
GSK_MASK_NODE,
GSK_FILL_NODE,
GSK_STROKE_NODE
GSK_MASK_NODE
} GskRenderNodeType;
/**
@@ -174,164 +170,6 @@ typedef enum {
GSK_CORNER_BOTTOM_LEFT
} GskCorner;
/**
* GskFillRule:
* @GSK_FILL_RULE_WINDING: If the path crosses the ray from
* left-to-right, counts +1. If the path crosses the ray
* from right to left, counts -1. (Left and right are determined
* from the perspective of looking along the ray from the starting
* point.) If the total count is non-zero, the point will be filled.
* @GSK_FILL_RULE_EVEN_ODD: Counts the total number of
* intersections, without regard to the orientation of the contour. If
* the total number of intersections is odd, the point will be
* filled.
*
* `GskFillRule` is used to select how paths are filled.
*
* Whether or not a point is included in the fill is determined by taking
* a ray from that point to infinity and looking at intersections with the
* path. The ray can be in any direction, as long as it doesn't pass through
* the end point of a segment or have a tricky intersection such as
* intersecting tangent to the path.
*
* (Note that filling is not actually implemented in this way. This
* is just a description of the rule that is applied.)
*
* New entries may be added in future versions.
*
* Since: 4.14
*/
typedef enum {
GSK_FILL_RULE_WINDING,
GSK_FILL_RULE_EVEN_ODD
} GskFillRule;
/**
* GskLineCap:
* @GSK_LINE_CAP_BUTT: Start and stop the line exactly at the start
* and end point
* @GSK_LINE_CAP_ROUND: Use a round ending, the center of the circle
* is the start or end point
* @GSK_LINE_CAP_SQUARE: use squared ending, the center of the square
* is the start or end point
*
* Specifies how to render the start and end points of contours or
* dashes when stroking.
*
* The default line cap style is `GSK_LINE_CAP_BUTT`.
*
* New entries may be added in future versions.
*
* <figure>
* <picture>
* <source srcset="caps-dark.png" media="(prefers-color-scheme: dark)">
* <img alt="Line Cap Styles" src="caps-light.png">
* </picture>
* <figcaption>GSK_LINE_CAP_BUTT, GSK_LINE_CAP_ROUND, GSK_LINE_CAP_SQUARE</figcaption>
* </figure>
*
* Since: 4.14
*/
typedef enum {
GSK_LINE_CAP_BUTT,
GSK_LINE_CAP_ROUND,
GSK_LINE_CAP_SQUARE
} GskLineCap;
/**
* GskLineJoin:
* @GSK_LINE_JOIN_MITER: Use a sharp angled corner
* @GSK_LINE_JOIN_ROUND: Use a round join, the center of the circle is
* the join point
* @GSK_LINE_JOIN_BEVEL: use a cut-off join, the join is cut off at half
* the line width from the joint point
*
* Specifies how to render the junction of two lines when stroking.
*
* The default line join style is `GSK_LINE_JOIN_MITER`.
*
* New entries may be added in future versions.
*
* <figure>
* <picture>
* <source srcset="join-dark.png" media="(prefers-color-scheme: dark)">
* <img alt="Line Join Styles" src="join-light.png">
* </picture>
* <figcaption>GSK_LINE_JOINT_MITER, GSK_LINE_JOINT_ROUND, GSK_LINE_JOIN_BEVEL</figcaption>
* </figure>
*
* Since: 4.14
*/
typedef enum {
GSK_LINE_JOIN_MITER,
GSK_LINE_JOIN_ROUND,
GSK_LINE_JOIN_BEVEL,
} GskLineJoin;
/**
* GskPathOperation:
* @GSK_PATH_MOVE: A move-to operation, with 1 point describing the target point.
* @GSK_PATH_CLOSE: A close operation ending the current contour with a line back
* to the starting point. Two points describe the start and end of the line.
* @GSK_PATH_LINE: A line-to operation, with 2 points describing the start and
* end point of a straight line.
* @GSK_PATH_QUAD: A curve-to operation describing a quadratic Bézier curve
* with 3 points describing the start point, the control point and the end
* point of the curve.
* @GSK_PATH_CUBIC: A curve-to operation describing a cubic Bézier curve with 4
* points describing the start point, the two control points and the end point
* of the curve.
* @GSK_PATH_CONIC: A rational quadratic Bézier curve with 3 points describing
* the start point, control point and end point of the curve. A weight for the
* curve will be passed, too.
*
* Path operations are used to describe the segments of a `GskPath`.
*
* More values may be added in the future.
*
* Since: 4.14
*/
typedef enum {
GSK_PATH_MOVE,
GSK_PATH_CLOSE,
GSK_PATH_LINE,
GSK_PATH_QUAD,
GSK_PATH_CUBIC,
GSK_PATH_CONIC,
} GskPathOperation;
/**
* GskPathDirection:
* @GSK_PATH_FROM_START: The tangent in path direction of the incoming side
* of the path
* @GSK_PATH_TO_START: The tangent against path direction of the incoming side
* of the path
* @GSK_PATH_TO_END: The tangent in path direction of the outgoing side
* of the path
* @GSK_PATH_FROM_END: The tangent against path direction of the outgoing
* side of the path
*
* The values of the `GskPathDirection` enum are used to pick one
* of the four tangents at a given point on the path.
*
* Note that the directions for @GSK_PATH_FROM_START/@GSK_PATH_TO_END and
* @GSK_PATH_TO_START/@GSK_PATH_FROM_END will coincide for smooth points.
* Only sharp turns will exhibit four different directions.
*
* <picture>
* <source srcset="directions-dark.png" media="(prefers-color-scheme: dark)">
* <img alt="Path Tangents" src="directions-light.png">
* </picture>
*
* Since: 4.14
*/
typedef enum {
GSK_PATH_FROM_START,
GSK_PATH_TO_START,
GSK_PATH_TO_END,
GSK_PATH_FROM_END,
} GskPathDirection;
/**
* GskSerializationError:
* @GSK_SERIALIZATION_UNSUPPORTED_FORMAT: The format can not be identified
@@ -436,3 +274,4 @@ typedef enum
GSK_MASK_MODE_LUMINANCE,
GSK_MASK_MODE_INVERTED_LUMINANCE
} GskMaskMode;
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-148
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@@ -1,148 +0,0 @@
/*
* Copyright © 2020 Benjamin Otte
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#pragma once
#if !defined (__GSK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gsk/gsk.h> can be included directly."
#endif
#include <gsk/gsktypes.h>
G_BEGIN_DECLS
/**
* GskPathForeachFlags:
* @GSK_PATH_FOREACH_ALLOW_ONLY_LINES: The default behavior, only allow lines.
* @GSK_PATH_FOREACH_ALLOW_QUAD: Allow emission of `GSK_PATH_QUAD` operations
* @GSK_PATH_FOREACH_ALLOW_CUBIC: Allow emission of `GSK_PATH_CUBIC` operations.
* @GSK_PATH_FOREACH_ALLOW_CONIC: Allow emission of `GSK_PATH_CONIC` operations.
*
* Flags that can be passed to gsk_path_foreach() to influence what
* kinds of operations the path is decomposed into.
*
* By default, [method@Gsk.Path.foreach] will only emit a path with all
* operations flattened to straight lines to allow for maximum compatibility.
* The only operations emitted will be `GSK_PATH_MOVE`, `GSK_PATH_LINE` and
* `GSK_PATH_CLOSE`.
*
* Since: 4.14
*/
typedef enum
{
GSK_PATH_FOREACH_ALLOW_ONLY_LINES = 0,
GSK_PATH_FOREACH_ALLOW_QUAD = (1 << 0),
GSK_PATH_FOREACH_ALLOW_CUBIC = (1 << 1),
GSK_PATH_FOREACH_ALLOW_CONIC = (1 << 2),
} GskPathForeachFlags;
/**
* GskPathForeachFunc:
* @op: The operation
* @pts: The points of the operation
* @n_pts: The number of points
* @weight: The weight for conic curves, or unused if not a conic curve
* @user_data: The user data provided with the function
*
* Prototype of the callback to iterate through the operations of
* a path.
*
* For each operation, the callback is given the @op itself, the points
* that the operation is applied to in @pts, and a @weight for conic
* curves. The @n_pts argument is somewhat redundant, since the number
* of points can be inferred from the operation.
*
* Each contour of the path starts with a @GSK_PATH_MOVE operation.
* Closed contours end with a @GSK_PATH_CLOSE operation.
*
* Returns: %TRUE to continue iterating the path, %FALSE to
* immediately abort and not call the function again.
*/
typedef gboolean (* GskPathForeachFunc) (GskPathOperation op,
const graphene_point_t *pts,
gsize n_pts,
float weight,
gpointer user_data);
#define GSK_TYPE_PATH (gsk_path_get_type ())
GDK_AVAILABLE_IN_4_14
GType gsk_path_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_4_14
GskPath * gsk_path_ref (GskPath *self);
GDK_AVAILABLE_IN_4_14
void gsk_path_unref (GskPath *self);
GDK_AVAILABLE_IN_4_14
void gsk_path_print (GskPath *self,
GString *string);
GDK_AVAILABLE_IN_4_14
char * gsk_path_to_string (GskPath *self);
GDK_AVAILABLE_IN_4_14
GskPath * gsk_path_parse (const char *string);
GDK_AVAILABLE_IN_4_14
void gsk_path_to_cairo (GskPath *self,
cairo_t *cr);
GDK_AVAILABLE_IN_4_14
gboolean gsk_path_is_empty (GskPath *self);
GDK_AVAILABLE_IN_4_14
gboolean gsk_path_is_closed (GskPath *self);
GDK_AVAILABLE_IN_4_14
gboolean gsk_path_get_bounds (GskPath *self,
graphene_rect_t *bounds);
GDK_AVAILABLE_IN_4_14
gboolean gsk_path_get_stroke_bounds (GskPath *self,
const GskStroke *stroke,
graphene_rect_t *bounds);
GDK_AVAILABLE_IN_4_14
gboolean gsk_path_in_fill (GskPath *self,
const graphene_point_t *point,
GskFillRule fill_rule);
GDK_AVAILABLE_IN_4_14
gboolean gsk_path_get_start_point (GskPath *self,
GskPathPoint *result);
GDK_AVAILABLE_IN_4_14
gboolean gsk_path_get_end_point (GskPath *self,
GskPathPoint *result);
GDK_AVAILABLE_IN_4_14
gboolean gsk_path_get_closest_point (GskPath *self,
const graphene_point_t *point,
float threshold,
GskPathPoint *result);
GDK_AVAILABLE_IN_4_14
gboolean gsk_path_foreach (GskPath *self,
GskPathForeachFlags flags,
GskPathForeachFunc func,
gpointer user_data);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GskPath, gsk_path_unref)
G_END_DECLS
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-192
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@@ -1,192 +0,0 @@
/*
* Copyright © 2020 Benjamin Otte
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#pragma once
#if !defined (__GSK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gsk/gsk.h> can be included directly."
#endif
#include <gsk/gskroundedrect.h>
#include <gsk/gsktypes.h>
G_BEGIN_DECLS
#define GSK_TYPE_PATH_BUILDER (gsk_path_builder_get_type ())
GDK_AVAILABLE_IN_4_14
GType gsk_path_builder_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_4_14
GskPathBuilder * gsk_path_builder_new (void);
GDK_AVAILABLE_IN_4_14
GskPathBuilder * gsk_path_builder_ref (GskPathBuilder *self);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_unref (GskPathBuilder *self);
GDK_AVAILABLE_IN_4_14
GskPath * gsk_path_builder_free_to_path (GskPathBuilder *self) G_GNUC_WARN_UNUSED_RESULT;
GDK_AVAILABLE_IN_4_14
GskPath * gsk_path_builder_to_path (GskPathBuilder *self) G_GNUC_WARN_UNUSED_RESULT;
GDK_AVAILABLE_IN_4_14
const graphene_point_t *gsk_path_builder_get_current_point (GskPathBuilder *self);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_add_path (GskPathBuilder *self,
GskPath *path);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_add_reverse_path (GskPathBuilder *self,
GskPath *path);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_add_cairo_path (GskPathBuilder *self,
const cairo_path_t *path);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_add_layout (GskPathBuilder *self,
PangoLayout *layout);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_add_rect (GskPathBuilder *self,
const graphene_rect_t *rect);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_add_rounded_rect (GskPathBuilder *self,
const GskRoundedRect *rect);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_add_circle (GskPathBuilder *self,
const graphene_point_t *center,
float radius);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_add_segment (GskPathBuilder *self,
GskPath *path,
const GskPathPoint *start,
const GskPathPoint *end);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_move_to (GskPathBuilder *self,
float x,
float y);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_rel_move_to (GskPathBuilder *self,
float x,
float y);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_line_to (GskPathBuilder *self,
float x,
float y);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_rel_line_to (GskPathBuilder *self,
float x,
float y);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_quad_to (GskPathBuilder *self,
float x1,
float y1,
float x2,
float y2);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_rel_quad_to (GskPathBuilder *self,
float x1,
float y1,
float x2,
float y2);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_cubic_to (GskPathBuilder *self,
float x1,
float y1,
float x2,
float y2,
float x3,
float y3);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_rel_cubic_to (GskPathBuilder *self,
float x1,
float y1,
float x2,
float y2,
float x3,
float y3);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_conic_to (GskPathBuilder *self,
float x1,
float y1,
float x2,
float y2,
float weight);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_rel_conic_to (GskPathBuilder *self,
float x1,
float y1,
float x2,
float y2,
float weight);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_arc_to (GskPathBuilder *self,
float x1,
float y1,
float x2,
float y2);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_rel_arc_to (GskPathBuilder *self,
float x1,
float y1,
float x2,
float y2);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_svg_arc_to (GskPathBuilder *self,
float rx,
float ry,
float x_axis_rotation,
gboolean large_arc,
gboolean positive_sweep,
float x,
float y);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_rel_svg_arc_to (GskPathBuilder *self,
float rx,
float ry,
float x_axis_rotation,
gboolean large_arc,
gboolean positive_sweep,
float x,
float y);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_html_arc_to (GskPathBuilder *self,
float x1,
float y1,
float x2,
float y2,
float radius);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_rel_html_arc_to (GskPathBuilder *self,
float x1,
float y1,
float x2,
float y2,
float radius);
GDK_AVAILABLE_IN_4_14
void gsk_path_builder_close (GskPathBuilder *self);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GskPathBuilder, gsk_path_builder_unref)
G_END_DECLS
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@@ -1,328 +0,0 @@
/*
* Copyright © 2020 Benjamin Otte
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#include "config.h"
#include "gskpathmeasure.h"
#include "gskpathbuilder.h"
#include "gskpathpointprivate.h"
#include "gskpathprivate.h"
/**
* GskPathMeasure:
*
* `GskPathMeasure` is an object that allows measurements
* on `GskPath`s such as determining the length of the path.
*
* Many measuring operations require sampling the path length
* at intermediate points. Therefore, a `GskPathMeasure` has
* a tolerance that determines what precision is required
* for such approximations.
*
* A `GskPathMeasure` struct is a reference counted struct
* and should be treated as opaque.
*/
typedef struct _GskContourMeasure GskContourMeasure;
struct _GskContourMeasure
{
float length;
gpointer contour_data;
};
struct _GskPathMeasure
{
/*< private >*/
guint ref_count;
GskPath *path;
float tolerance;
float length;
gsize n_contours;
GskContourMeasure measures[];
};
G_DEFINE_BOXED_TYPE (GskPathMeasure, gsk_path_measure,
gsk_path_measure_ref,
gsk_path_measure_unref)
/**
* gsk_path_measure_new:
* @path: the path to measure
*
* Creates a measure object for the given @path with the
* default tolerance.
*
* Returns: a new `GskPathMeasure` representing @path
*
* Since: 4.14
*/
GskPathMeasure *
gsk_path_measure_new (GskPath *path)
{
return gsk_path_measure_new_with_tolerance (path, GSK_PATH_TOLERANCE_DEFAULT);
}
/**
* gsk_path_measure_new_with_tolerance:
* @path: the path to measure
* @tolerance: the tolerance for measuring operations
*
* Creates a measure object for the given @path and @tolerance.
*
* Returns: a new `GskPathMeasure` representing @path
*
* Since: 4.14
*/
GskPathMeasure *
gsk_path_measure_new_with_tolerance (GskPath *path,
float tolerance)
{
GskPathMeasure *self;
gsize i, n_contours;
g_return_val_if_fail (path != NULL, NULL);
g_return_val_if_fail (tolerance > 0, NULL);
n_contours = gsk_path_get_n_contours (path);
self = g_malloc0 (sizeof (GskPathMeasure) + n_contours * sizeof (GskContourMeasure));
self->ref_count = 1;
self->path = gsk_path_ref (path);
self->tolerance = tolerance;
self->n_contours = n_contours;
for (i = 0; i < n_contours; i++)
{
self->measures[i].contour_data = gsk_contour_init_measure (gsk_path_get_contour (path, i),
self->tolerance,
&self->measures[i].length);
self->length += self->measures[i].length;
}
return self;
}
/**
* gsk_path_measure_ref:
* @self: a `GskPathMeasure`
*
* Increases the reference count of a `GskPathMeasure` by one.
*
* Returns: the passed in `GskPathMeasure`.
*
* Since: 4.14
*/
GskPathMeasure *
gsk_path_measure_ref (GskPathMeasure *self)
{
g_return_val_if_fail (self != NULL, NULL);
self->ref_count++;
return self;
}
/**
* gsk_path_measure_unref:
* @self: a `GskPathMeasure`
*
* Decreases the reference count of a `GskPathMeasure` by one.
*
* If the resulting reference count is zero, frees the object.
*
* Since: 4.14
*/
void
gsk_path_measure_unref (GskPathMeasure *self)
{
gsize i;
g_return_if_fail (self != NULL);
g_return_if_fail (self->ref_count > 0);
self->ref_count--;
if (self->ref_count > 0)
return;
for (i = 0; i < self->n_contours; i++)
{
gsk_contour_free_measure (gsk_path_get_contour (self->path, i),
self->measures[i].contour_data);
}
gsk_path_unref (self->path);
g_free (self);
}
/**
* gsk_path_measure_get_path:
* @self: a `GskPathMeasure`
*
* Returns the path that the measure was created for.
*
* Returns: (transfer none): the path of @self
*
* Since: 4.14
*/
GskPath *
gsk_path_measure_get_path (GskPathMeasure *self)
{
return self->path;
}
/**
* gsk_path_measure_get_tolerance:
* @self: a `GskPathMeasure`
*
* Returns the tolerance that the measure was created with.
*
* Returns: the tolerance of @self
*
* Since: 4.14
*/
float
gsk_path_measure_get_tolerance (GskPathMeasure *self)
{
return self->tolerance;
}
/**
* gsk_path_measure_get_length:
* @self: a `GskPathMeasure`
*
* Gets the length of the path being measured.
*
* The length is cached, so this function does not do any work.
*
* Returns: The length of the path measured by @self
*
* Since: 4.14
*/
float
gsk_path_measure_get_length (GskPathMeasure *self)
{
g_return_val_if_fail (self != NULL, 0);
return self->length;
}
static float
gsk_path_measure_clamp_distance (GskPathMeasure *self,
float distance)
{
if (isnan (distance))
return 0;
return CLAMP (distance, 0, self->length);
}
/**
* gsk_path_measure_get_point:
* @self: a `GskPathMeasure`
* @distance: the distance
* @result: (out caller-allocates): return location for the result
*
* Sets @result to the point at the given distance into the path.
*
* An empty path has no points, so `FALSE` is returned in that case.
*
* Returns: `TRUE` if @result was set
*
* Since: 4.14
*/
gboolean
gsk_path_measure_get_point (GskPathMeasure *self,
float distance,
GskPathPoint *result)
{
GskRealPathPoint *res = (GskRealPathPoint *) result;
gsize i;
const GskContour *contour;
g_return_val_if_fail (self != NULL, FALSE);
g_return_val_if_fail (result != NULL, FALSE);
if (self->n_contours == 0)
return FALSE;
distance = gsk_path_measure_clamp_distance (self, distance);
for (i = 0; i < self->n_contours - 1; i++)
{
if (distance < self->measures[i].length)
break;
distance -= self->measures[i].length;
}
g_assert (0 <= i && i < self->n_contours);
distance = CLAMP (distance, 0, self->measures[i].length);
contour = gsk_path_get_contour (self->path, i);
gsk_contour_get_point (contour, self->measures[i].contour_data, distance, res);
res->contour = i;
return TRUE;
}
/**
* gsk_path_point_get_distance:
* @point: a `GskPathPoint on the path
* @measure: a `GskPathMeasure` for the path
*
* Returns the distance from the beginning of the path
* to @point.
*
* Returns: the distance of @point
*
* Since: 4.14
*/
float
gsk_path_point_get_distance (const GskPathPoint *point,
GskPathMeasure *measure)
{
GskRealPathPoint *p = (GskRealPathPoint *)point;
const GskContour *contour;
float contour_offset = 0;
g_return_val_if_fail (point != NULL, 0);
g_return_val_if_fail (measure != NULL, 0);
g_return_val_if_fail (p->contour < measure->n_contours, 0);
contour = gsk_path_get_contour (measure->path, p->contour);
for (gsize i = 0; i < measure->n_contours; i++)
{
if (contour == gsk_path_get_contour (measure->path, i))
return contour_offset + gsk_contour_get_distance (contour,
p,
measure->measures[i].contour_data);
contour_offset += measure->measures[i].length;
}
g_return_val_if_reached (0);
}
-62
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@@ -1,62 +0,0 @@
/*
* Copyright © 2020 Benjamin Otte
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#pragma once
#if !defined (__GSK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gsk/gsk.h> can be included directly."
#endif
#include <gsk/gskpath.h>
#include <gsk/gskpathpoint.h>
G_BEGIN_DECLS
#define GSK_TYPE_PATH_MEASURE (gsk_path_measure_get_type ())
GDK_AVAILABLE_IN_4_14
GType gsk_path_measure_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_4_14
GskPathMeasure * gsk_path_measure_new (GskPath *path);
GDK_AVAILABLE_IN_4_14
GskPathMeasure * gsk_path_measure_new_with_tolerance (GskPath *path,
float tolerance);
GDK_AVAILABLE_IN_4_14
GskPathMeasure * gsk_path_measure_ref (GskPathMeasure *self);
GDK_AVAILABLE_IN_4_14
void gsk_path_measure_unref (GskPathMeasure *self);
GDK_AVAILABLE_IN_4_14
GskPath * gsk_path_measure_get_path (GskPathMeasure *self) G_GNUC_PURE;
GDK_AVAILABLE_IN_4_14
float gsk_path_measure_get_tolerance (GskPathMeasure *self) G_GNUC_PURE;
GDK_AVAILABLE_IN_4_14
float gsk_path_measure_get_length (GskPathMeasure *self);
GDK_AVAILABLE_IN_4_14
gboolean gsk_path_measure_get_point (GskPathMeasure *self,
float distance,
GskPathPoint *result);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GskPathMeasure, gsk_path_measure_unref)
G_END_DECLS
-193
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/*
* Copyright © 2020 Benjamin Otte
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#pragma once
#include "gskpath.h"
#include "gskpathbuilder.h"
G_BEGIN_DECLS
typedef gpointer gskpathop;
static inline
gskpathop gsk_pathop_encode (GskPathOperation op,
const graphene_point_t *pts);
static inline
const graphene_point_t *gsk_pathop_points (gskpathop pop);
static inline
GskPathOperation gsk_pathop_op (gskpathop pop);
static inline
gboolean gsk_pathop_foreach (gskpathop pop,
GskPathForeachFunc func,
gpointer user_data);
/* included inline so tests can use them */
static inline
void gsk_path_builder_pathop_to (GskPathBuilder *builder,
gskpathop op);
static inline
void gsk_path_builder_pathop_reverse_to (GskPathBuilder *builder,
gskpathop op);
/* IMPLEMENTATION */
/* Note:
*
* The weight of conics is encoded as p[2].x, and the endpoint is p[3].
* This is important, since contours store the points of adjacent
* operations overlapping, so we can't put the weight at the end.
*/
#define GSK_PATHOP_OPERATION_MASK (0x7)
static inline gskpathop
gsk_pathop_encode (GskPathOperation op,
const graphene_point_t *pts)
{
/* g_assert (op & GSK_PATHOP_OPERATION_MASK == op); */
g_assert ((GPOINTER_TO_SIZE (pts) & GSK_PATHOP_OPERATION_MASK) == 0);
return GSIZE_TO_POINTER (GPOINTER_TO_SIZE (pts) | op);
}
static inline const graphene_point_t *
gsk_pathop_points (gskpathop pop)
{
return GSIZE_TO_POINTER (GPOINTER_TO_SIZE (pop) & ~GSK_PATHOP_OPERATION_MASK);
}
static inline
GskPathOperation gsk_pathop_op (gskpathop pop)
{
return GPOINTER_TO_SIZE (pop) & GSK_PATHOP_OPERATION_MASK;
}
static inline gboolean
gsk_pathop_foreach (gskpathop pop,
GskPathForeachFunc func,
gpointer user_data)
{
switch (gsk_pathop_op (pop))
{
case GSK_PATH_MOVE:
return func (gsk_pathop_op (pop), gsk_pathop_points (pop), 1, 0, user_data);
case GSK_PATH_CLOSE:
case GSK_PATH_LINE:
return func (gsk_pathop_op (pop), gsk_pathop_points (pop), 2, 0, user_data);
case GSK_PATH_QUAD:
return func (gsk_pathop_op (pop), gsk_pathop_points (pop), 3, 0, user_data);
case GSK_PATH_CUBIC:
return func (gsk_pathop_op (pop), gsk_pathop_points (pop), 4, 0, user_data);
case GSK_PATH_CONIC:
{
const graphene_point_t *pts = gsk_pathop_points (pop);
return func (gsk_pathop_op (pop), (graphene_point_t[3]) { pts[0], pts[1], pts[3] }, 3, pts[2].x, user_data);
}
default:
g_assert_not_reached ();
return TRUE;
}
}
static inline void
gsk_path_builder_pathop_to (GskPathBuilder *builder,
gskpathop op)
{
const graphene_point_t *pts = gsk_pathop_points (op);
switch (gsk_pathop_op (op))
{
case GSK_PATH_MOVE:
gsk_path_builder_move_to (builder, pts[0].x, pts[0].y);
break;
case GSK_PATH_CLOSE:
gsk_path_builder_close (builder);
break;
case GSK_PATH_LINE:
gsk_path_builder_line_to (builder, pts[1].x, pts[1].y);
break;
case GSK_PATH_QUAD:
gsk_path_builder_quad_to (builder, pts[1].x, pts[1].y, pts[2].x, pts[2].y);
break;
case GSK_PATH_CUBIC:
gsk_path_builder_cubic_to (builder, pts[1].x, pts[1].y, pts[2].x, pts[2].y, pts[3].x, pts[3].y);
break;
case GSK_PATH_CONIC:
gsk_path_builder_conic_to (builder, pts[1].x, pts[1].y, pts[3].x, pts[3].y, pts[2].x);
break;
default:
g_assert_not_reached ();
break;
}
}
static inline void
gsk_path_builder_pathop_reverse_to (GskPathBuilder *builder,
gskpathop op)
{
const graphene_point_t *pts = gsk_pathop_points (op);
switch (gsk_pathop_op (op))
{
case GSK_PATH_MOVE:
gsk_path_builder_move_to (builder, pts[0].x, pts[0].y);
break;
case GSK_PATH_CLOSE:
gsk_path_builder_line_to (builder, pts[0].x, pts[0].y);
break;
case GSK_PATH_LINE:
gsk_path_builder_line_to (builder, pts[1].x, pts[1].y);
break;
case GSK_PATH_QUAD:
gsk_path_builder_quad_to (builder, pts[1].x, pts[1].y, pts[0].x, pts[0].y);
break;
case GSK_PATH_CUBIC:
gsk_path_builder_cubic_to (builder, pts[2].x, pts[2].y, pts[1].x, pts[1].y, pts[0].x, pts[0].y);
break;
case GSK_PATH_CONIC:
gsk_path_builder_conic_to (builder, pts[1].x, pts[1].y, pts[0].x, pts[0].y, pts[2].x);
break;
default:
g_assert_not_reached ();
break;
}
}
G_END_DECLS
-299
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@@ -1,299 +0,0 @@
/*
* Copyright © 2023 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Matthias Clasen <mclasen@redhat.com>
*/
#include "config.h"
#include <math.h>
#include "gskpathpointprivate.h"
#include "gskcontourprivate.h"
#include "gdk/gdkprivate.h"
#define RAD_TO_DEG(x) ((x) / (G_PI / 180.f))
/**
* GskPathPoint:
*
* `GskPathPoint` is an opaque type representing a point on a path.
*
* It can be queried for properties of the path at that point, such as
* its tangent or its curvature.
*
* To obtain a `GskPathPoint`, use [method@Gsk.Path.get_closest_point],
* [method@Gsk.Path.get_start_point], [method@Gsk.Path.get_end_point]
* or [method@Gsk.PathMeasure.get_point].
*
* Note that `GskPathPoint` structs are meant to be stack-allocated, and
* don't a reference to the path object they are obtained from. It is the
* callers responsibility to keep a reference to the path as long as the
* `GskPathPoint` is used.
*
* Since: 4.14
*/
G_DEFINE_BOXED_TYPE (GskPathPoint, gsk_path_point,
gsk_path_point_copy,
gsk_path_point_free)
GskPathPoint *
gsk_path_point_copy (GskPathPoint *point)
{
GskPathPoint *copy;
copy = g_new0 (GskPathPoint, 1);
memcpy (copy, point, sizeof (GskRealPathPoint));
return copy;
}
void
gsk_path_point_free (GskPathPoint *point)
{
g_free (point);
}
/**
* gsk_path_point_equal:
* @point1: a `GskPathPoint`
* @point2: another `GskPathPoint`
*
* Returns whether the two path points refer to the same
* location on all paths.
*
* Note that the start- and endpoint of a closed contour
* will compare nonequal according to this definition.
* Use [method@Gsk.Path.is_closed] to find out if the
* start- and endpoint of a concrete path refer to the
* same location.
*
* Return: `TRUE` if @point1 and @point2 are equal
*
* Since: 4.14
*/
gboolean
gsk_path_point_equal (const GskPathPoint *point1,
const GskPathPoint *point2)
{
const GskRealPathPoint *p1 = (const GskRealPathPoint *) point1;
const GskRealPathPoint *p2 = (const GskRealPathPoint *) point2;
if (p1->contour == p2->contour)
{
if ((p1->idx == p2->idx && p1->t == p2->t) ||
(p1->idx + 1 == p2->idx && p1->t == 1 && p2->t == 0) ||
(p1->idx == p2->idx + 1 && p1->t == 0 && p2->t == 1))
return TRUE;
}
return FALSE;
}
/**
* gsk_path_point_compare:
* @point1: a `GskPathPoint`
* @point2: another `GskPathPoint`
*
* Returns whether @point1 is before or after @point2.
*
* Returns: -1 if @point1 is before @point2,
* 1 if @point1 is after @point2,
* 0 if they are equal
*
* Since: 4.14
*/
int
gsk_path_point_compare (const GskPathPoint *point1,
const GskPathPoint *point2)
{
const GskRealPathPoint *p1 = (const GskRealPathPoint *) point1;
const GskRealPathPoint *p2 = (const GskRealPathPoint *) point2;
if (gsk_path_point_equal (point1, point2))
return 0;
if (p1->contour < p2->contour)
return -1;
else if (p1->contour > p2->contour)
return 1;
else if (p1->idx < p2->idx)
return -1;
else if (p1->idx > p2->idx)
return 1;
else if (p1->t < p2->t)
return -1;
else if (p1->t > p2->t)
return 1;
return 0;
}
/**
* gsk_path_point_get_position:
* @point: a `GskPathPoint`
* @path: the path that @point is on
* @position: (out caller-allocates): Return location for
* the coordinates of the point
*
* Gets the position of the point.
*
* Since: 4.14
*/
void
gsk_path_point_get_position (const GskPathPoint *point,
GskPath *path,
graphene_point_t *position)
{
GskRealPathPoint *self = (GskRealPathPoint *) point;
const GskContour *contour;
g_return_if_fail (self != NULL);
g_return_if_fail (path != NULL);
g_return_if_fail (position != NULL);
g_return_if_fail (self->contour < gsk_path_get_n_contours (path));
contour = gsk_path_get_contour (path, self->contour),
gsk_contour_get_position (contour, self, position);
}
/**
* gsk_path_point_get_tangent:
* @point: a `GskPathPoint`
* @path: the path that @point is on
* @direction: the direction for which to return the tangent
* @tangent: (out caller-allocates): Return location for
* the tangent at the point
*
* Gets the tangent of the path at the point.
*
* Note that certain points on a path may not have a single
* tangent, such as sharp turns. At such points, there are
* two tangents -- the direction of the path going into the
* point, and the direction coming out of it. The @direction
* argument lets you choose which one to get.
*
* If you want to orient something in the direction of the
* path, [method@Gsk.PathPoint.get_rotation] may be more
* convenient to use.
*
* Since: 4.14
*/
void
gsk_path_point_get_tangent (const GskPathPoint *point,
GskPath *path,
GskPathDirection direction,
graphene_vec2_t *tangent)
{
GskRealPathPoint *self = (GskRealPathPoint *) point;
const GskContour *contour;
g_return_if_fail (self != NULL);
g_return_if_fail (path != NULL);
g_return_if_fail (tangent != NULL);
g_return_if_fail (self->contour < gsk_path_get_n_contours (path));
contour = gsk_path_get_contour (path, self->contour),
gsk_contour_get_tangent (contour, self, direction, tangent);
}
/**
* gsk_path_point_get_rotation:
* @point: a `GskPathPoint`
* @path: the path that @point is on
* @direction: the direction for which to return the rotation
*
* Gets the direction of the tangent at a given point.
*
* This is a convenience variant of [method@Gsk.PathPoint.get_tangent]
* that returns the angle between the tangent and the X axis. The angle
* can e.g. be used in
* [gtk_snapshot_rotate()](../gtk4/method.Snapshot.rotate.html).
*
* Returns: the angle between the tangent and the X axis, in degrees
*
* Since: 4.14
*/
float
gsk_path_point_get_rotation (const GskPathPoint *point,
GskPath *path,
GskPathDirection direction)
{
GskRealPathPoint *self = (GskRealPathPoint *) point;
graphene_vec2_t tangent;
g_return_val_if_fail (self != NULL, 0);
g_return_val_if_fail (path != NULL, 0);
g_return_val_if_fail (self->contour < gsk_path_get_n_contours (path), 0);
gsk_path_point_get_tangent (point, path, direction, &tangent);
return RAD_TO_DEG (atan2f (graphene_vec2_get_y (&tangent),
graphene_vec2_get_x (&tangent)));
}
/**
* gsk_path_point_get_curvature:
* @point: a `GskPathPoint`
* @path: the path that @point is on
* @direction: the direction for which to return the curvature
* @center: (out caller-allocates) (nullable): Return location for
* the center of the osculating circle
*
* Calculates the curvature of the path at the point.
*
* Optionally, returns the center of the osculating circle as well.
* The curvature is the inverse of the radius of the osculating circle.
*
* Lines have a curvature of zero (indicating an osculating circle of
* infinite radius. In this case, the @center is not modified.
*
* Note that certain points on a path may not have a single curvature,
* such as sharp turns. At such points, there are two curvatures --
* the (limit of) the curvature of the path going into the point,
* and the (limit of) the curvature of the path coming out of it.
* The @direction argument lets you choose which one to get.
*
* <picture>
* <source srcset="curvature-dark.png" media="(prefers-color-scheme: dark)">
* <img alt="Osculating circle" src="curvature-light.png">
* </picture>
* Returns: The curvature of the path at the given point
*
* Since: 4.14
*/
float
gsk_path_point_get_curvature (const GskPathPoint *point,
GskPath *path,
GskPathDirection direction,
graphene_point_t *center)
{
GskRealPathPoint *self = (GskRealPathPoint *) point;
const GskContour *contour;
g_return_val_if_fail (self != NULL, 0);
g_return_val_if_fail (path != NULL, 0);
g_return_val_if_fail (self->contour < gsk_path_get_n_contours (path), 0);
contour = gsk_path_get_contour (path, self->contour);
return gsk_contour_get_curvature (contour, self, direction, center);
}
-85
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@@ -1,85 +0,0 @@
/*
* Copyright © 2023 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Matthias Clasen <mclasen@redhat.com>
*/
#pragma once
#if !defined (__GSK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gsk/gsk.h> can be included directly."
#endif
#include <gsk/gsktypes.h>
G_BEGIN_DECLS
#define GSK_TYPE_PATH_POINT (gsk_path_point_get_type ())
typedef struct _GskPathPoint GskPathPoint;
struct _GskPathPoint {
/*< private >*/
union {
float f[8];
gpointer p[8];
} data;
};
GDK_AVAILABLE_IN_4_14
GType gsk_path_point_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_4_14
GskPathPoint * gsk_path_point_copy (GskPathPoint *point);
GDK_AVAILABLE_IN_4_14
void gsk_path_point_free (GskPathPoint *point);
GDK_AVAILABLE_IN_4_14
gboolean gsk_path_point_equal (const GskPathPoint *point1,
const GskPathPoint *point2);
GDK_AVAILABLE_IN_4_14
int gsk_path_point_compare (const GskPathPoint *point1,
const GskPathPoint *point2);
GDK_AVAILABLE_IN_4_14
void gsk_path_point_get_position (const GskPathPoint *point,
GskPath *path,
graphene_point_t *position);
GDK_AVAILABLE_IN_4_14
void gsk_path_point_get_tangent (const GskPathPoint *point,
GskPath *path,
GskPathDirection direction,
graphene_vec2_t *tangent);
GDK_AVAILABLE_IN_4_14
float gsk_path_point_get_rotation (const GskPathPoint *point,
GskPath *path,
GskPathDirection direction);
GDK_AVAILABLE_IN_4_14
float gsk_path_point_get_curvature (const GskPathPoint *point,
GskPath *path,
GskPathDirection direction,
graphene_point_t *center);
GDK_AVAILABLE_IN_4_14
float gsk_path_point_get_distance (const GskPathPoint *point,
GskPathMeasure *measure);
G_END_DECLS
-18
View File
@@ -1,18 +0,0 @@
#pragma once
#include "gskpathpoint.h"
#include "gskcontourprivate.h"
G_BEGIN_DECLS
struct _GskRealPathPoint
{
gsize contour;
gsize idx;
float t;
};
G_STATIC_ASSERT (sizeof (GskRealPathPoint) <= sizeof (GskPathPoint));
G_END_DECLS
-60
View File
@@ -1,60 +0,0 @@
/*
* Copyright © 2020 Benjamin Otte
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#pragma once
#include "gskpath.h"
#include "gskpathopprivate.h"
G_BEGIN_DECLS
typedef enum
{
GSK_PATH_FLAT,
GSK_PATH_CLOSED
} GskPathFlags;
typedef struct _GskContour GskContour;
typedef struct _GskRealPathPoint GskRealPathPoint;
/* Same as Skia, so looks like a good value. ¯\_(ツ)_/¯ */
#define GSK_PATH_TOLERANCE_DEFAULT (0.5)
GskPath * gsk_path_new_from_contours (const GSList *contours);
gsize gsk_path_get_n_contours (const GskPath *self);
const GskContour * gsk_path_get_contour (const GskPath *self,
gsize i);
GskPathFlags gsk_path_get_flags (const GskPath *self);
gboolean gsk_path_foreach_with_tolerance (GskPath *self,
GskPathForeachFlags flags,
double tolerance,
GskPathForeachFunc func,
gpointer user_data);
void gsk_path_builder_add_contour (GskPathBuilder *builder,
GskContour *contour);
G_END_DECLS
-20
View File
@@ -1,20 +0,0 @@
#pragma once
#include <graphene.h>
static inline void G_GNUC_PURE
gsk_point_interpolate (const graphene_point_t *p1,
const graphene_point_t *p2,
float t,
graphene_point_t *p)
{
p->x = p1->x * (1 - t) + p2->x * t;
p->Y = p1->y * (1 - t) + p2->y * t;
}
static inline float G_GNUC_PURE
gsk_point_distance (const graphene_point_t *p1,
const graphene_point_t *p2)
{
return sqrtf ((p1->x - p2->x)*(p1->x - p2->x) + (p1->y - p2->y)*(p1->y - p2->y));
}
-10
View File
@@ -26,13 +26,3 @@ gsk_rect_intersects (const graphene_rect_t *r1,
return TRUE;
}
static inline void
gsk_rect_to_float (const graphene_rect_t *rect,
float values[4])
{
values[0] = rect->origin.x;
values[1] = rect->origin.y;
values[2] = rect->size.width;
values[3] = rect->size.height;
}
+1 -30
View File
@@ -35,6 +35,7 @@ G_BEGIN_DECLS
#define GSK_SERIALIZATION_ERROR (gsk_serialization_error_quark ())
typedef struct _GskRenderNode GskRenderNode;
typedef struct _GskColorStop GskColorStop;
typedef struct _GskShadow GskShadow;
@@ -157,8 +158,6 @@ GskRenderNode * gsk_render_node_deserialize (GBytes
#define GSK_TYPE_REPEAT_NODE (gsk_repeat_node_get_type())
#define GSK_TYPE_CLIP_NODE (gsk_clip_node_get_type())
#define GSK_TYPE_ROUNDED_CLIP_NODE (gsk_rounded_clip_node_get_type())
#define GSK_TYPE_FILL_NODE (gsk_fill_node_get_type())
#define GSK_TYPE_STROKE_NODE (gsk_stroke_node_get_type())
#define GSK_TYPE_SHADOW_NODE (gsk_shadow_node_get_type())
#define GSK_TYPE_BLEND_NODE (gsk_blend_node_get_type())
#define GSK_TYPE_CROSS_FADE_NODE (gsk_cross_fade_node_get_type())
@@ -187,8 +186,6 @@ typedef struct _GskColorMatrixNode GskColorMatrixNode;
typedef struct _GskRepeatNode GskRepeatNode;
typedef struct _GskClipNode GskClipNode;
typedef struct _GskRoundedClipNode GskRoundedClipNode;
typedef struct _GskFillNode GskFillNode;
typedef struct _GskStrokeNode GskStrokeNode;
typedef struct _GskShadowNode GskShadowNode;
typedef struct _GskBlendNode GskBlendNode;
typedef struct _GskCrossFadeNode GskCrossFadeNode;
@@ -462,32 +459,6 @@ GskRenderNode * gsk_rounded_clip_node_get_child (const GskRender
GDK_AVAILABLE_IN_ALL
const GskRoundedRect * gsk_rounded_clip_node_get_clip (const GskRenderNode *node) G_GNUC_PURE;
GDK_AVAILABLE_IN_4_14
GType gsk_fill_node_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_4_14
GskRenderNode * gsk_fill_node_new (GskRenderNode *child,
GskPath *path,
GskFillRule fill_rule);
GDK_AVAILABLE_IN_4_14
GskRenderNode * gsk_fill_node_get_child (const GskRenderNode *node);
GDK_AVAILABLE_IN_4_14
GskPath * gsk_fill_node_get_path (const GskRenderNode *node);
GDK_AVAILABLE_IN_4_14
GskFillRule gsk_fill_node_get_fill_rule (const GskRenderNode *node);
GDK_AVAILABLE_IN_4_14
GType gsk_stroke_node_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_4_14
GskRenderNode * gsk_stroke_node_new (GskRenderNode *child,
GskPath *path,
const GskStroke *stroke);
GDK_AVAILABLE_IN_4_14
GskRenderNode * gsk_stroke_node_get_child (const GskRenderNode *node);
GDK_AVAILABLE_IN_4_14
GskPath * gsk_stroke_node_get_path (const GskRenderNode *node);
GDK_AVAILABLE_IN_4_14
const GskStroke * gsk_stroke_node_get_stroke (const GskRenderNode *node);
GDK_AVAILABLE_IN_ALL
GType gsk_shadow_node_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
+5 -438
View File
@@ -25,11 +25,8 @@
#include "gskdebugprivate.h"
#include "gskdiffprivate.h"
#include "gl/gskglrenderer.h"
#include "gskpathprivate.h"
#include "gskrectprivate.h"
#include "gskrendererprivate.h"
#include "gskroundedrectprivate.h"
#include "gskstrokeprivate.h"
#include "gsktransformprivate.h"
#include "gdk/gdktextureprivate.h"
@@ -3841,12 +3838,11 @@ gsk_color_matrix_node_class_init (gpointer g_class,
* Creates a `GskRenderNode` that will drawn the @child with
* @color_matrix.
*
* In particular, the node will transform colors by applying
* In particular, the node will transform the operation
*
* pixel = transpose(color_matrix) * pixel + color_offset
* pixel = color_matrix * pixel + color_offset
*
* for every pixel. The transformation operates on unpremultiplied
* colors, with color components ordered R, G, B, A.
* for every pixel.
*
* Returns: (transfer full) (type GskColorMatrixNode): A new `GskRenderNode`
*/
@@ -3971,7 +3967,7 @@ gsk_repeat_node_draw (GskRenderNode *node,
scale_x *= width / self->child_bounds.size.width;
scale_y *= height / self->child_bounds.size.height;
cairo_surface_set_device_scale (surface, scale_x, scale_y);
cairo_surface_set_device_offset (surface,
cairo_surface_set_device_offset (surface,
- self->child_bounds.origin.x * scale_x,
- self->child_bounds.origin.y * scale_y);
@@ -4142,7 +4138,7 @@ gsk_clip_node_diff (GskRenderNode *node1,
gsk_render_node_diff_impossible (node1, node2, region);
}
}
static void
gsk_clip_node_class_init (gpointer g_class,
gpointer class_data)
@@ -4370,423 +4366,6 @@ gsk_rounded_clip_node_get_clip (const GskRenderNode *node)
return &self->clip;
}
/* }}} */
/* {{{ GSK_FILL_NODE */
/**
* GskFillNode:
*
* A render node filling the area given by [struct@Gsk.Path]
* and [enum@Gsk.FillRule] with the child node.
*
* Since: 4.14
*/
struct _GskFillNode
{
GskRenderNode render_node;
GskRenderNode *child;
GskPath *path;
GskFillRule fill_rule;
};
static void
gsk_fill_node_finalize (GskRenderNode *node)
{
GskFillNode *self = (GskFillNode *) node;
GskRenderNodeClass *parent_class = g_type_class_peek (g_type_parent (GSK_TYPE_FILL_NODE));
gsk_render_node_unref (self->child);
gsk_path_unref (self->path);
parent_class->finalize (node);
}
static void
gsk_fill_node_draw (GskRenderNode *node,
cairo_t *cr)
{
GskFillNode *self = (GskFillNode *) node;
cairo_save (cr);
switch (self->fill_rule)
{
case GSK_FILL_RULE_WINDING:
cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING);
break;
case GSK_FILL_RULE_EVEN_ODD:
cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
break;
default:
g_assert_not_reached ();
break;
}
gsk_path_to_cairo (self->path, cr);
if (gsk_render_node_get_node_type (self->child) == GSK_COLOR_NODE &&
gsk_rect_contains_rect (&self->child->bounds, &node->bounds))
{
gdk_cairo_set_source_rgba (cr, gsk_color_node_get_color (self->child));
cairo_fill (cr);
}
else
{
cairo_clip (cr);
gsk_render_node_draw (self->child, cr);
}
cairo_restore (cr);
}
static void
gsk_fill_node_diff (GskRenderNode *node1,
GskRenderNode *node2,
cairo_region_t *region)
{
GskFillNode *self1 = (GskFillNode *) node1;
GskFillNode *self2 = (GskFillNode *) node2;
if (self1->path == self2->path)
{
cairo_region_t *sub;
cairo_rectangle_int_t clip_rect;
sub = cairo_region_create();
gsk_render_node_diff (self1->child, self2->child, sub);
rectangle_init_from_graphene (&clip_rect, &node1->bounds);
cairo_region_intersect_rectangle (sub, &clip_rect);
cairo_region_union (region, sub);
cairo_region_destroy (sub);
}
else
{
gsk_render_node_diff_impossible (node1, node2, region);
}
}
static void
gsk_fill_node_class_init (gpointer g_class,
gpointer class_data)
{
GskRenderNodeClass *node_class = g_class;
node_class->node_type = GSK_FILL_NODE;
node_class->finalize = gsk_fill_node_finalize;
node_class->draw = gsk_fill_node_draw;
node_class->diff = gsk_fill_node_diff;
}
/**
* gsk_fill_node_new:
* @child: The node to fill the area with
* @path: The path describing the area to fill
* @fill_rule: The fill rule to use
*
* Creates a `GskRenderNode` that will fill the @child in the area
* given by @path and @fill_rule.
*
* Returns: (transfer none) (type GskFillNode): A new `GskRenderNode`
*
* Since: 4.14
*/
GskRenderNode *
gsk_fill_node_new (GskRenderNode *child,
GskPath *path,
GskFillRule fill_rule)
{
GskFillNode *self;
GskRenderNode *node;
graphene_rect_t path_bounds;
g_return_val_if_fail (GSK_IS_RENDER_NODE (child), NULL);
g_return_val_if_fail (path != NULL, NULL);
self = gsk_render_node_alloc (GSK_FILL_NODE);
node = (GskRenderNode *) self;
self->child = gsk_render_node_ref (child);
self->path = gsk_path_ref (path);
self->fill_rule = fill_rule;
if (gsk_path_get_bounds (path, &path_bounds))
graphene_rect_intersection (&path_bounds, &child->bounds, &node->bounds);
else
graphene_rect_init_from_rect (&node->bounds, graphene_rect_zero ());
return node;
}
/**
* gsk_fill_node_get_child:
* @node: (type GskFillNode): a fill `GskRenderNode`
*
* Gets the child node that is getting drawn by the given @node.
*
* Returns: (transfer none): The child that is getting drawn
*
* Since: 4.14
*/
GskRenderNode *
gsk_fill_node_get_child (const GskRenderNode *node)
{
const GskFillNode *self = (const GskFillNode *) node;
g_return_val_if_fail (GSK_IS_RENDER_NODE_TYPE (node, GSK_FILL_NODE), NULL);
return self->child;
}
/**
* gsk_fill_node_get_path:
* @node: (type GskFillNode): a fill `GskRenderNode`
*
* Retrieves the path used to describe the area filled with the contents of
* the @node.
*
* Returns: (transfer none): a `GskPath`
*
* Since: 4.14
*/
GskPath *
gsk_fill_node_get_path (const GskRenderNode *node)
{
const GskFillNode *self = (const GskFillNode *) node;
g_return_val_if_fail (GSK_IS_RENDER_NODE_TYPE (node, GSK_FILL_NODE), NULL);
return self->path;
}
/**
* gsk_fill_node_get_fill_rule:
* @node: (type GskFillNode): a fill `GskRenderNode`
*
* Retrieves the fill rule used to determine how the path is filled.
*
* Returns: a `GskFillRule`
*
* Since: 4.14
*/
GskFillRule
gsk_fill_node_get_fill_rule (const GskRenderNode *node)
{
const GskFillNode *self = (const GskFillNode *) node;
g_return_val_if_fail (GSK_IS_RENDER_NODE_TYPE (node, GSK_FILL_NODE), GSK_FILL_RULE_WINDING);
return self->fill_rule;
}
/* }}} */
/* {{{ GSK_STROKE_NODE */
/**
* GskStrokeNode:
*
* A render node that will fill the area determined by stroking the the given
* [struct@Gsk.Path] using the [struct@Gsk.Stroke] attributes.
*
* Since: 4.14
*/
struct _GskStrokeNode
{
GskRenderNode render_node;
GskRenderNode *child;
GskPath *path;
GskStroke stroke;
};
static void
gsk_stroke_node_finalize (GskRenderNode *node)
{
GskStrokeNode *self = (GskStrokeNode *) node;
GskRenderNodeClass *parent_class = g_type_class_peek (g_type_parent (GSK_TYPE_STROKE_NODE));
gsk_render_node_unref (self->child);
gsk_path_unref (self->path);
gsk_stroke_clear (&self->stroke);
parent_class->finalize (node);
}
static void
gsk_stroke_node_draw (GskRenderNode *node,
cairo_t *cr)
{
GskStrokeNode *self = (GskStrokeNode *) node;
cairo_save (cr);
if (gsk_render_node_get_node_type (self->child) == GSK_COLOR_NODE &&
gsk_rect_contains_rect (&self->child->bounds, &node->bounds))
{
gdk_cairo_set_source_rgba (cr, gsk_color_node_get_color (self->child));
}
else
{
gsk_cairo_rectangle (cr, &self->child->bounds);
cairo_clip (cr);
cairo_push_group (cr);
gsk_render_node_draw (self->child, cr);
cairo_pop_group_to_source (cr);
}
gsk_stroke_to_cairo (&self->stroke, cr);
gsk_path_to_cairo (self->path, cr);
cairo_stroke (cr);
cairo_restore (cr);
}
static void
gsk_stroke_node_diff (GskRenderNode *node1,
GskRenderNode *node2,
cairo_region_t *region)
{
GskStrokeNode *self1 = (GskStrokeNode *) node1;
GskStrokeNode *self2 = (GskStrokeNode *) node2;
if (self1->path == self2->path &&
gsk_stroke_equal (&self1->stroke, &self2->stroke))
{
cairo_region_t *sub;
cairo_rectangle_int_t clip_rect;
sub = cairo_region_create();
gsk_render_node_diff (self1->child, self2->child, sub);
rectangle_init_from_graphene (&clip_rect, &node1->bounds);
cairo_region_intersect_rectangle (sub, &clip_rect);
cairo_region_union (region, sub);
cairo_region_destroy (sub);
}
else
{
gsk_render_node_diff_impossible (node1, node2, region);
}
}
static void
gsk_stroke_node_class_init (gpointer g_class,
gpointer class_data)
{
GskRenderNodeClass *node_class = g_class;
node_class->node_type = GSK_STROKE_NODE;
node_class->finalize = gsk_stroke_node_finalize;
node_class->draw = gsk_stroke_node_draw;
node_class->diff = gsk_stroke_node_diff;
}
/**
* gsk_stroke_node_new:
* @child: The node to stroke the area with
* @path: (transfer none): The path describing the area to stroke
* @stroke: (transfer none): The stroke attributes to use
*
* Creates a #GskRenderNode that will fill the outline generated by stroking
* the given @path using the attributes defined in @stroke.
*
* The area is filled with @child.
*
* Returns: (transfer none) (type GskStrokeNode): A new #GskRenderNode
*
* Since: 4.14
*/
GskRenderNode *
gsk_stroke_node_new (GskRenderNode *child,
GskPath *path,
const GskStroke *stroke)
{
GskStrokeNode *self;
GskRenderNode *node;
graphene_rect_t stroke_bounds;
g_return_val_if_fail (GSK_IS_RENDER_NODE (child), NULL);
g_return_val_if_fail (path != NULL, NULL);
g_return_val_if_fail (stroke != NULL, NULL);
self = gsk_render_node_alloc (GSK_STROKE_NODE);
node = (GskRenderNode *) self;
self->child = gsk_render_node_ref (child);
self->path = gsk_path_ref (path);
gsk_stroke_init_copy (&self->stroke, stroke);
if (gsk_path_get_stroke_bounds (self->path, &self->stroke, &stroke_bounds))
graphene_rect_intersection (&stroke_bounds, &child->bounds, &node->bounds);
else
graphene_rect_init_from_rect (&node->bounds, graphene_rect_zero ());
return node;
}
/**
* gsk_stroke_node_get_child:
* @node: (type GskStrokeNode): a stroke #GskRenderNode
*
* Gets the child node that is getting drawn by the given @node.
*
* Returns: (transfer none): The child that is getting drawn
*
* Since: 4.14
*/
GskRenderNode *
gsk_stroke_node_get_child (const GskRenderNode *node)
{
const GskStrokeNode *self = (const GskStrokeNode *) node;
g_return_val_if_fail (GSK_IS_RENDER_NODE_TYPE (node, GSK_STROKE_NODE), NULL);
return self->child;
}
/**
* gsk_stroke_node_get_path:
* @node: (type GskStrokeNode): a stroke #GskRenderNode
*
* Retrieves the path that will be stroked with the contents of
* the @node.
*
* Returns: (transfer none): a #GskPath
*
* Since: 4.14
*/
GskPath *
gsk_stroke_node_get_path (const GskRenderNode *node)
{
const GskStrokeNode *self = (const GskStrokeNode *) node;
g_return_val_if_fail (GSK_IS_RENDER_NODE_TYPE (node, GSK_STROKE_NODE), NULL);
return self->path;
}
/**
* gsk_stroke_node_get_stroke:
* @node: (type GskStrokeNode): a stroke #GskRenderNode
*
* Retrieves the stroke attributes used in this @node.
*
* Returns: a #GskStroke
*
* Since: 4.14
*/
const GskStroke *
gsk_stroke_node_get_stroke (const GskRenderNode *node)
{
const GskStrokeNode *self = (const GskStrokeNode *) node;
g_return_val_if_fail (GSK_IS_RENDER_NODE_TYPE (node, GSK_STROKE_NODE), NULL);
return &self->stroke;
}
/* }}} */
/* {{{ GSK_SHADOW_NODE */
@@ -6680,8 +6259,6 @@ GSK_DEFINE_RENDER_NODE_TYPE (gsk_color_matrix_node, GSK_COLOR_MATRIX_NODE)
GSK_DEFINE_RENDER_NODE_TYPE (gsk_repeat_node, GSK_REPEAT_NODE)
GSK_DEFINE_RENDER_NODE_TYPE (gsk_clip_node, GSK_CLIP_NODE)
GSK_DEFINE_RENDER_NODE_TYPE (gsk_rounded_clip_node, GSK_ROUNDED_CLIP_NODE)
GSK_DEFINE_RENDER_NODE_TYPE (gsk_fill_node, GSK_FILL_NODE)
GSK_DEFINE_RENDER_NODE_TYPE (gsk_stroke_node, GSK_STROKE_NODE)
GSK_DEFINE_RENDER_NODE_TYPE (gsk_shadow_node, GSK_SHADOW_NODE)
GSK_DEFINE_RENDER_NODE_TYPE (gsk_blend_node, GSK_BLEND_NODE)
GSK_DEFINE_RENDER_NODE_TYPE (gsk_cross_fade_node, GSK_CROSS_FADE_NODE)
@@ -6830,16 +6407,6 @@ gsk_render_node_init_types_once (void)
sizeof (GskDebugNode),
gsk_debug_node_class_init);
gsk_render_node_types[GSK_DEBUG_NODE] = node_type;
node_type = gsk_render_node_type_register_static (I_("GskFillNode"),
sizeof (GskFillNode),
gsk_fill_node_class_init);
gsk_render_node_types[GSK_FILL_NODE] = node_type;
node_type = gsk_render_node_type_register_static (I_("GskStrokeNode"),
sizeof (GskStrokeNode),
gsk_stroke_node_class_init);
gsk_render_node_types[GSK_STROKE_NODE] = node_type;
}
static void

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