Files
gtk/demos/gtk-demo/colorspaces.c
Matthias Clasen 208e5a9931 gtk-demo: Add a color space demo
This is using test images from http://displaycal.net/.
2024-06-16 15:57:25 -04:00

87 lines
2.9 KiB
C

/* Color Spaces
*
* Demonstrates support for color spaces.
*
* The test images used here are taken from http://displaycal.net/icc-color-management-test/
* and are licensed under the Creative Commons BY-SA 4.0 International License
*/
#include <gtk/gtk.h>
static GtkWidget *jpeg;
static GtkWidget *png;
static GtkWidget *tiff;
static GtkWidget *noprofile;
static GtkWidget *test1;
static GtkWidget *test2;
static void
on_changed (GtkCheckButton *button,
gpointer user_data)
{
GdkTexture *texture;
const char *extension = NULL;
char *path;
if (!gtk_check_button_get_active (GTK_CHECK_BUTTON (button)))
return;
if (gtk_check_button_get_active (GTK_CHECK_BUTTON (jpeg)))
extension = ".jpg";
else if (gtk_check_button_get_active (GTK_CHECK_BUTTON (png)))
extension = ".png";
else if (gtk_check_button_get_active (GTK_CHECK_BUTTON (tiff)))
extension = ".tif";
else if (gtk_check_button_get_active (GTK_CHECK_BUTTON (noprofile)))
extension = "-expected-result-no-cm.png";
path = g_strconcat ("/colorspaces/sRGB_Gray", extension, NULL);
texture = gdk_texture_new_from_resource (path);
gtk_picture_set_paintable (GTK_PICTURE (test1), GDK_PAINTABLE (texture));
g_object_unref (texture);
path = g_strconcat ("/colorspaces/ICC-Rendering-Intent-Test", extension, NULL);
texture = gdk_texture_new_from_resource (path);
gtk_picture_set_paintable (GTK_PICTURE (test2), GDK_PAINTABLE (texture));
g_object_unref (texture);
}
GtkWidget*
do_colorspaces (GtkWidget *do_widget)
{
static GtkWidget *window;
if (!window)
{
GtkBuilder *builder;
GtkBuilderScope *scope;
scope = gtk_builder_cscope_new ();
gtk_builder_cscope_add_callback_symbol (GTK_BUILDER_CSCOPE (scope),
"on_changed", G_CALLBACK (on_changed));
builder = gtk_builder_new ();
gtk_builder_set_scope (builder, scope);
gtk_builder_add_from_resource (builder, "/colorspaces/colorspaces.ui", NULL);
window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
jpeg = GTK_WIDGET (gtk_builder_get_object (builder, "jpeg"));
png = GTK_WIDGET (gtk_builder_get_object (builder, "png"));
tiff = GTK_WIDGET (gtk_builder_get_object (builder, "tiff"));
noprofile = GTK_WIDGET (gtk_builder_get_object (builder, "noprofile"));
test1 = GTK_WIDGET (gtk_builder_get_object (builder, "test1"));
test2 = GTK_WIDGET (gtk_builder_get_object (builder, "test2"));
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);
g_object_unref (scope);
}
if (!gtk_widget_get_visible (window))
gtk_window_present (GTK_WINDOW (window));
else
gtk_window_destroy (GTK_WINDOW (window));
return window;
}