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gdk: Make csw windows have their own cairo surface

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With Cairo 1.10 now having cairo_surface_create_for_rectangle(), we can
use them. No need to create multiple native surfaces for the same X
window (ugh) anymore.
This commit is contained in:
Benjamin Otte 2010-08-26 10:15:59 +02:00
parent b69fdbbd04
commit 666539736d
1 changed files with 24 additions and 33 deletions
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57
gdk/gdkwindow.c
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@ -1040,27 +1040,14 @@ recompute_visible_regions_internal (GdkWindowObject *private,
recompute_visible_regions_internal (private->parent, TRUE, FALSE, FALSE);
}
if (private->cairo_surface)
if (private->cairo_surface &&
(!gdk_window_has_impl (private) ||
!_gdk_windowing_set_cairo_surface_size (private->cairo_surface,
private->width,
private->height)))
{
int width, height;
/* It would be nice if we had some cairo support here so we
could set the clip rect on the cairo surface */
width = private->abs_x + private->width;
height = private->abs_y + private->height;
if (_gdk_windowing_set_cairo_surface_size (private->cairo_surface,
width, height))
{
cairo_surface_set_device_offset (private->cairo_surface,
private->abs_x,
private->abs_y);
}
else
{
cairo_surface_destroy (private->cairo_surface);
private->cairo_surface = NULL;
}
cairo_surface_destroy (private->cairo_surface);
private->cairo_surface = NULL;
}
}
@ -3736,7 +3723,20 @@ gdk_window_create_cairo_surface (GdkDrawable *drawable,
int width,
int height)
{
return _gdk_drawable_ref_cairo_surface (GDK_WINDOW_OBJECT(drawable)->impl);
GdkWindowObject *private = GDK_WINDOW_OBJECT(drawable);
cairo_surface_t *surface, *subsurface;
surface =_gdk_drawable_ref_cairo_surface (private->impl);
if (gdk_window_has_impl (private))
return surface;
subsurface = cairo_surface_create_for_rectangle (surface,
private->abs_x,
private->abs_y,
width,
height);
cairo_surface_destroy (surface);
return subsurface;
}
@ -3761,23 +3761,14 @@ gdk_window_ref_cairo_surface (GdkDrawable *drawable)
if (!private->cairo_surface)
{
int width, height;
/* It would be nice if we had some cairo support here so we
could set the clip rect on the cairo surface */
width = private->abs_x + private->width;
height = private->abs_y + private->height;
private->cairo_surface = _gdk_drawable_create_cairo_surface (drawable, width, height);
private->cairo_surface = _gdk_drawable_create_cairo_surface (drawable,
private->width,
private->height);
if (private->cairo_surface)
{
private->impl_window->outstanding_surfaces++;
cairo_surface_set_device_offset (private->cairo_surface,
private->abs_x,
private->abs_y);
cairo_surface_set_user_data (private->cairo_surface, &gdk_window_cairo_key,
drawable, gdk_window_cairo_surface_destroy);
}