callisto-debian/gtk3
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

cssvalue: Implement dependency tracking for gradients

Browse Source
This commit is contained in:
Benjamin Otte
2012-08-27 18:39:46 +02:00
parent 3cf6db8b1a
commit 3a65fbfc13
3 changed files with 28 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
gtk/gtkgradient.c
View File

@ -281,14 +281,16 @@ gtk_gradient_resolve (GtkGradient *gradient,
}
cairo_pattern_t *
gtk_gradient_resolve_for_context (GtkGradient *gradient,
GtkStyleContext *context)
_gtk_gradient_resolve_full (GtkGradient *gradient,
GtkStyleContext *context,
GtkCssDependencies *dependencies)
{
cairo_pattern_t *pattern;
guint i;
g_return_val_if_fail (gradient != NULL, FALSE);
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), FALSE);
g_return_val_if_fail (gradient != NULL, NULL);
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), NULL);
g_return_val_if_fail (*dependencies == 0, NULL);
if (gradient->radius0 == 0 && gradient->radius1 == 0)
pattern = cairo_pattern_create_linear (gradient->x0, gradient->y0,
@ -303,13 +305,15 @@ gtk_gradient_resolve_for_context (GtkGradient *gradient,
{
ColorStop *stop;
GdkRGBA rgba;
GtkCssDependencies stop_deps;
stop = &g_array_index (gradient->stops, ColorStop, i);
/* if color resolving fails, assume transparency */
if (!_gtk_style_context_resolve_color (context, stop->color, &rgba, NULL))
if (!_gtk_style_context_resolve_color (context, stop->color, &rgba, &stop_deps))
rgba.red = rgba.green = rgba.blue = rgba.alpha = 0.0;
*dependencies = _gtk_css_dependencies_union (*dependencies, stop_deps);
cairo_pattern_add_color_stop_rgba (pattern, stop->offset,
rgba.red, rgba.green,
rgba.blue, rgba.alpha);
@ -318,6 +322,18 @@ gtk_gradient_resolve_for_context (GtkGradient *gradient,
return pattern;
}
cairo_pattern_t *
gtk_gradient_resolve_for_context (GtkGradient *gradient,
GtkStyleContext *context)
{
GtkCssDependencies ignored = 0;
g_return_val_if_fail (gradient != NULL, NULL);
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), NULL);
return _gtk_gradient_resolve_full (gradient, context, &ignored);
}
static void
append_number (GString *str,
double d,