1 /*
2  * Copyright (C) 2009 Apple Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #ifndef WebLayer_h
27 #define WebLayer_h
28 
29 #if USE(ACCELERATED_COMPOSITING)
30 
31 #import <QuartzCore/QuartzCore.h>
32 
33 namespace WebCore {
34     class GraphicsLayer;
35     class PlatformCALayer;
36     class PlatformCALayerClient;
37 }
38 
39 #if defined(BUILDING_ON_LEOPARD)
40 @interface CALayer(WebLayerInternal)
41 - (CGAffineTransform)contentsTransform;
42 - (void)setContentsTransform:(CGAffineTransform)t;
43 @end
44 #endif
45 
46 @interface WebLayer : CALayer
47 {
48 }
49 @end
50 
51 // Functions allows us to share implementation across WebTiledLayer and WebLayer
52 void drawLayerContents(CGContextRef, CALayer *, WebCore::PlatformCALayer*);
53 void setLayerNeedsDisplayInRect(CALayer *, WebCore::PlatformCALayerClient*, CGRect);
54 
55 #endif // USE(ACCELERATED_COMPOSITING)
56 
57 #endif // WebLayer_h
58