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gtkpixelcache: Use CONTENT_COLOR for solid bg windows

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This commit is contained in:
Alexander Larsson
2013-05-02 15:13:03 +02:00
parent 76add3ec39
commit 2ce9c8cff2
1 changed files with 15 additions and 3 deletions
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18
gtk/gtkpixelcache.c
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@@ -126,6 +126,17 @@ _gtk_pixel_cache_create_surface_if_needed (GtkPixelCache *cache,
{
cairo_rectangle_int_t rect;
int surface_w, surface_h;
cairo_content_t content;
cairo_pattern_t *bg;
double red, green, blue, alpha;
content = CAIRO_CONTENT_COLOR_ALPHA;
bg = gdk_window_get_background_pattern (window);
if (bg != NULL &&
cairo_pattern_get_type (bg) == CAIRO_PATTERN_TYPE_SOLID &&
cairo_pattern_get_rgba (bg, &red, &green, &blue, &alpha) == CAIRO_STATUS_SUCCESS &&
alpha == 1.0)
content = CAIRO_CONTENT_COLOR;
surface_w = view_rect->width;
if (canvas_rect->width > surface_w)
@@ -137,7 +148,8 @@ _gtk_pixel_cache_create_surface_if_needed (GtkPixelCache *cache,
/* If current surface can't fit view_rect or is too large, kill it */
if (cache->surface != NULL &&
(cache->surface_w < view_rect->width ||
(cairo_surface_get_content (cache->surface) != content ||
cache->surface_w < view_rect->width ||
cache->surface_w > surface_w + ALLOW_LARGER_SIZE ||
cache->surface_h < view_rect->height ||
cache->surface_h > surface_h + ALLOW_LARGER_SIZE))
@@ -159,9 +171,9 @@ _gtk_pixel_cache_create_surface_if_needed (GtkPixelCache *cache,
cache->surface_y = -canvas_rect->y;
cache->surface_w = surface_w;
cache->surface_h = surface_h;
cache->surface =
gdk_window_create_similar_surface (window,
CAIRO_CONTENT_COLOR_ALPHA,
gdk_window_create_similar_surface (window, content,
surface_w, surface_h);
rect.x = 0;
rect.y = 0;