void gtk_theming_background_render (GtkStyleContext *context, cairo_t *cr, gdouble x, gdouble y, gdouble width, gdouble height, GtkJunctionSides junction) { GtkThemingBackground bg; gint idx; GtkCssValue *background_image; GtkCssValue *box_shadow; const GdkRGBA *bg_color; background_image = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BACKGROUND_IMAGE); bg_color = _gtk_css_rgba_value_get_rgba (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BACKGROUND_COLOR)); box_shadow = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BOX_SHADOW); /* This is the common default case of no background */ if (gtk_rgba_is_clear (bg_color) && _gtk_css_array_value_get_n_values (background_image) == 1 && _gtk_css_image_value_get_image (_gtk_css_array_value_get_nth (background_image, 0)) == NULL && _gtk_css_shadows_value_is_none (box_shadow)) return; bg.context = context; _gtk_theming_background_init_context (&bg, width, height, junction); cairo_save (cr); cairo_translate (cr, x, y); /* Outset shadows */ _gtk_css_shadows_value_paint_box (box_shadow, cr, &bg.boxes[GTK_CSS_AREA_BORDER_BOX], FALSE); _gtk_theming_background_paint_color (&bg, cr, bg_color, background_image); for (idx = _gtk_css_array_value_get_n_values (background_image) - 1; idx >= 0; idx--) { _gtk_theming_background_paint_layer (&bg, idx, cr); } /* Inset shadows */ _gtk_css_shadows_value_paint_box (box_shadow, cr, &bg.boxes[GTK_CSS_AREA_PADDING_BOX], TRUE); cairo_restore (cr); }
static void _gtk_theming_background_apply_shadow (GtkThemingBackground *bg, cairo_t *cr) { _gtk_css_shadows_value_paint_box (_gtk_style_context_peek_property (bg->context, GTK_CSS_PROPERTY_BOX_SHADOW), cr, &bg->padding_box); }