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shadowvalue: Remove unused API

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This commit is contained in:
Timm Bäder
2019-01-05 09:09:58 +01:00
parent b0a8b7da63
commit 7ac9fe3b60
3 changed files with 0 additions and 168 deletions
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14
gtk/gtkcssshadowsvalue.c
View File

@@ -287,20 +287,6 @@ gtk_css_shadows_value_get_shadows (const GtkCssValue *shadows,
gtk_css_shadow_value_get_shadow (shadows->values[i], &out_shadows[i]);
}
void
_gtk_css_shadows_value_paint_icon (const GtkCssValue *shadows,
cairo_t *cr)
{
guint i;
g_return_if_fail (shadows->class == &GTK_CSS_VALUE_SHADOWS);
for (i = 0; i < shadows->len; i++)
{
_gtk_css_shadow_value_paint_icon (shadows->values[i], cr);
}
}
void
gtk_css_shadows_value_snapshot_outset (const GtkCssValue *shadows,
GtkSnapshot *snapshot,

3
gtk/gtkcssshadowsvalueprivate.h
View File

@@ -41,9 +41,6 @@ gsize gtk_css_shadows_value_get_n_shadows (const GtkCssValue
void gtk_css_shadows_value_get_shadows (const GtkCssValue *shadows,
GskShadow *out_shadows);
void _gtk_css_shadows_value_paint_icon (const GtkCssValue *shadows,
cairo_t *cr);
void gtk_css_shadows_value_snapshot_outset (const GtkCssValue *shadows,
GtkSnapshot *snapshot,
const GskRoundedRect *border_box);

151
gtk/gtkcssshadowvalue.c
View File

@@ -308,157 +308,6 @@ fail:
return NULL;
}
static gboolean
needs_blur (const GtkCssValue *shadow)
{
double radius = _gtk_css_number_value_get (shadow->radius, 0);
/* The code doesn't actually do any blurring for radius 1, as it
* ends up with box filter size 1 */
if (radius <= 1.0)
return FALSE;
return TRUE;
}
static const cairo_user_data_key_t original_cr_key;
static cairo_t *
gtk_css_shadow_value_start_drawing (const GtkCssValue *shadow,
cairo_t *cr,
GskBlurFlags blur_flags)
{
cairo_rectangle_int_t clip_rect;
cairo_surface_t *surface;
cairo_t *blur_cr;
gdouble radius, clip_radius;
gdouble x_scale, y_scale;
gboolean blur_x = (blur_flags & GSK_BLUR_X) != 0;
gboolean blur_y = (blur_flags & GSK_BLUR_Y) != 0;
if (!needs_blur (shadow))
return cr;
gdk_cairo_get_clip_rectangle (cr, &clip_rect);
radius = _gtk_css_number_value_get (shadow->radius, 0);
clip_radius = gsk_cairo_blur_compute_pixels (radius);
x_scale = y_scale = 1;
cairo_surface_get_device_scale (cairo_get_target (cr), &x_scale, &y_scale);
if (blur_flags & GSK_BLUR_REPEAT)
{
if (!blur_x)
clip_rect.width = 1;
if (!blur_y)
clip_rect.height = 1;
}
/* Create a larger surface to center the blur. */
surface = cairo_surface_create_similar_image (cairo_get_target (cr),
CAIRO_FORMAT_A8,
x_scale * (clip_rect.width + (blur_x ? 2 * clip_radius : 0)),
y_scale * (clip_rect.height + (blur_y ? 2 * clip_radius : 0)));
cairo_surface_set_device_scale (surface, x_scale, y_scale);
cairo_surface_set_device_offset (surface,
x_scale * ((blur_x ? clip_radius: 0) - clip_rect.x),
y_scale * ((blur_y ? clip_radius: 0) - clip_rect.y));
blur_cr = cairo_create (surface);
cairo_set_user_data (blur_cr, &original_cr_key, cairo_reference (cr), (cairo_destroy_func_t) cairo_destroy);
if (cairo_has_current_point (cr))
{
double x, y;
cairo_get_current_point (cr, &x, &y);
cairo_move_to (blur_cr, x, y);
}
return blur_cr;
}
static void
mask_surface_repeat (cairo_t *cr,
cairo_surface_t *surface)
{
cairo_pattern_t *pattern;
pattern = cairo_pattern_create_for_surface (surface);
cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
cairo_mask (cr, pattern);
cairo_pattern_destroy (pattern);
}
static cairo_t *
gtk_css_shadow_value_finish_drawing (const GtkCssValue *shadow,
cairo_t *cr,
GskBlurFlags blur_flags)
{
gdouble radius;
cairo_t *original_cr;
cairo_surface_t *surface;
gdouble x_scale;
if (!needs_blur (shadow))
return cr;
original_cr = cairo_get_user_data (cr, &original_cr_key);
/* Blur the surface. */
surface = cairo_get_target (cr);
radius = _gtk_css_number_value_get (shadow->radius, 0);
x_scale = 1;
cairo_surface_get_device_scale (cairo_get_target (cr), &x_scale, NULL);
gsk_cairo_blur_surface (surface, x_scale * radius, blur_flags);
gdk_cairo_set_source_rgba (original_cr, _gtk_css_rgba_value_get_rgba (shadow->color));
if (blur_flags & GSK_BLUR_REPEAT)
mask_surface_repeat (original_cr, surface);
else
cairo_mask_surface (original_cr, surface, 0, 0);
cairo_destroy (cr);
cairo_surface_destroy (surface);
return original_cr;
}
void
_gtk_css_shadow_value_paint_icon (const GtkCssValue *shadow,
cairo_t *cr)
{
cairo_pattern_t *pattern;
g_return_if_fail (shadow->class == &GTK_CSS_VALUE_SHADOW);
/* We don't need to draw invisible shadows */
if (gdk_rgba_is_clear (_gtk_css_rgba_value_get_rgba (shadow->color)))
return;
cairo_save (cr);
pattern = cairo_pattern_reference (cairo_get_source (cr));
gdk_cairo_set_source_rgba (cr, _gtk_css_rgba_value_get_rgba (shadow->color));
cr = gtk_css_shadow_value_start_drawing (shadow, cr, GSK_BLUR_X | GSK_BLUR_Y);
cairo_translate (cr,
_gtk_css_number_value_get (shadow->hoffset, 0),
_gtk_css_number_value_get (shadow->voffset, 0));
cairo_mask (cr, pattern);
cr = gtk_css_shadow_value_finish_drawing (shadow, cr, GSK_BLUR_X | GSK_BLUR_Y);
cairo_restore (cr);
cairo_pattern_destroy (pattern);
}
gboolean
_gtk_css_shadow_value_get_inset (const GtkCssValue *shadow)
{