gtk2/gdk/macos/GdkMacosCairoSubview.h
Christian Hergert 8ea0a4fc50 macos: precalculate clip regions as CGRect
We can make our drawRect do less work if we precalculate the clip
and damage regions upfront by intersecting them with the bounds.
2022-02-04 09:31:37 -08:00

40 lines
1.2 KiB
Objective-C

/* GdkMacosCairoSubview.h
*
* Copyright © 2020 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include <AppKit/AppKit.h>
#include <cairo.h>
#include <glib.h>
#define GDK_IS_MACOS_CAIRO_SUBVIEW(obj) ((obj) && [obj isKindOfClass:[GdkMacosCairoSubview class]])
@interface GdkMacosCairoSubview : NSView
{
BOOL _isOpaque;
GArray *clip;
GArray *damage;
CGImageRef image;
}
-(void)setOpaque:(BOOL)opaque;
-(void)setImage:(CGImageRef)theImage withDamage:(cairo_region_t *)region;
-(void)setClip:(cairo_region_t*)region;
@end