Lerking/gtk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

gdk: Create paint surfaces of the same content as the window

Browse Source 
Previously, we failed to create RGBA double buffers for RGBA windows.
This commit is contained in:
Benjamin Otte
2010-08-28 22:26:48 +02:00
parent c64946c52d
commit 2fc80e6102
1 changed files with 16 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
gdk/gdkwindow.c
View File

@@ -2647,6 +2647,20 @@ gdk_window_get_state (GdkWindow *window)
return private->state; return private->state;
} }
static cairo_content_t
gdk_window_get_content (GdkWindow *window)
{
cairo_surface_t *surface;
cairo_content_t content;
g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
surface = _gdk_drawable_ref_cairo_surface (window);
content = cairo_surface_get_content (surface);
cairo_surface_destroy (surface);
return content;
}
/* This creates an empty "implicit" paint region for the impl window. /* This creates an empty "implicit" paint region for the impl window.
* By itself this does nothing, but real paints to this window * By itself this does nothing, but real paints to this window
@@ -2693,7 +2707,7 @@ gdk_window_begin_implicit_paint (GdkWindow *window, GdkRectangle *rect)
paint->uses_implicit = FALSE; paint->uses_implicit = FALSE;
paint->flushed = FALSE; paint->flushed = FALSE;
paint->surface = gdk_window_create_similar_surface (window, paint->surface = gdk_window_create_similar_surface (window,
CAIRO_CONTENT_COLOR, gdk_window_get_content (window),
MAX (rect->width, 1), MAX (rect->width, 1),
MAX (rect->height, 1)); MAX (rect->height, 1));
cairo_surface_set_device_offset (paint->surface, -rect->x, -rect->y); cairo_surface_set_device_offset (paint->surface, -rect->x, -rect->y);
@@ -2917,7 +2931,7 @@ gdk_window_begin_paint_region (GdkWindow *window,
{ {
paint->uses_implicit = FALSE; paint->uses_implicit = FALSE;
paint->surface = gdk_window_create_similar_surface (window, paint->surface = gdk_window_create_similar_surface (window,
CAIRO_CONTENT_COLOR, gdk_window_get_content (window),
MAX (clip_box.width, 1), MAX (clip_box.width, 1),
MAX (clip_box.height, 1)); MAX (clip_box.height, 1));
} }