diff options
Diffstat (limited to 'gtk/gtkrenderbackground.c')
| -rw-r--r-- | gtk/gtkrenderbackground.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gtk/gtkrenderbackground.c b/gtk/gtkrenderbackground.c index 5b3591d298..a9a80f1636 100644 --- a/gtk/gtkrenderbackground.c +++ b/gtk/gtkrenderbackground.c @@ -25,6 +25,7 @@ #include "gtkcssarrayvalueprivate.h" #include "gtkcssbgsizevalueprivate.h" +#include "gtkcsscornervalueprivate.h" #include "gtkcssenumvalueprivate.h" #include "gtkcssimagevalueprivate.h" #include "gtkcssnumbervalueprivate.h" @@ -344,3 +345,24 @@ gtk_css_style_render_background (GtkCssStyle *style, cairo_restore (cr); } + +static gboolean +corner_value_is_right_angle (GtkCssValue *value) +{ + return _gtk_css_corner_value_get_x (value, 100) <= 0.0 && + _gtk_css_corner_value_get_y (value, 100) <= 0.0; +} + +gboolean +gtk_css_style_render_background_is_opaque (GtkCssStyle *style) +{ + const GdkRGBA *color; + + color = _gtk_css_rgba_value_get_rgba (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BACKGROUND_COLOR)); + + return color->alpha >= 1.0 + && corner_value_is_right_angle (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS)) + && corner_value_is_right_angle (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_RIGHT_RADIUS)) + && corner_value_is_right_angle (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_RIGHT_RADIUS)) + && corner_value_is_right_angle (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_LEFT_RADIUS)); +} |