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pixel-cache: Refresh pixel cache on window scale factor changes.

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This commit is contained in:
Alexander Larsson 2013-06-03 17:04:03 +02:00
parent 6bf32999b1
commit c9b52d8820
1 changed files with 4 additions and 1 deletions
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5
gtk/gtkpixelcache.c
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@ -38,6 +38,7 @@ struct _GtkPixelCache {
int surface_y;
int surface_w;
int surface_h;
double surface_scale;
/* may be null if not dirty */
cairo_region_t *surface_dirty;
@ -159,7 +160,8 @@ _gtk_pixel_cache_create_surface_if_needed (GtkPixelCache *cache,
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))
cache->surface_h > surface_h + ALLOW_LARGER_SIZE ||
cache->surface_scale != gdk_window_get_scale_factor (window)))
{
cairo_surface_destroy (cache->surface);
cache->surface = NULL;
@ -178,6 +180,7 @@ _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_scale = gdk_window_get_scale_factor (window);
cache->surface =
gdk_window_create_similar_surface (window, content,