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Fix coordinates for background clearing when redirecting

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Backport from svn of this fix
This commit is contained in:
Alexander Larsson 2009-03-02 16:32:44 +01:00 committed by Alexander Larsson
parent 730a44a516
commit d64b51de4d
1 changed files with 12 additions and 4 deletions
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16
gdk/gdkwindow.c
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@ -3764,14 +3764,22 @@ gdk_window_clear_backing_region_redirect (GdkWindow *window,
&x_offset, &y_offset);
gdk_region_intersect (clip_region, region);
paint.x_offset = x_offset;
paint.y_offset = y_offset;
/* offset is from redirected window origin to window origin, convert to
the offset from the redirected pixmap origin to the window origin */
x_offset += redirect->dest_x - redirect->src_x;
y_offset += redirect->dest_y - redirect->src_y;
/* Convert region to pixmap coords */
gdk_region_offset (clip_region, x_offset, y_offset);
paint.x_offset = 0;
paint.y_offset = 0;
paint.pixmap = redirect->pixmap;
paint.surface = _gdk_drawable_ref_cairo_surface (redirect->pixmap);
method.cr = NULL;
method.gc = NULL;
setup_backing_rect_method (&method, window, &paint, 0, 0);
setup_backing_rect_method (&method, window, &paint, -x_offset, -y_offset);
if (method.cr)
{
@ -3788,7 +3796,7 @@ gdk_window_clear_backing_region_redirect (GdkWindow *window,
gdk_region_get_clipbox (clip_region, &clipbox);
gdk_gc_set_clip_region (method.gc, clip_region);
gdk_draw_rectangle (window, method.gc, TRUE,
gdk_draw_rectangle (redirect->pixmap, method.gc, TRUE,
clipbox.x, clipbox.y,
clipbox.width, clipbox.height);
g_object_unref (method.gc);