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1 /*
2  * Copyright 2011, The Android Open Source Project
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  *  * Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  *  * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER 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 GLExtras_h
27 #define GLExtras_h
28 
29 #include "Color.h"
30 #include "DrawExtra.h"
31 #include "SkRect.h"
32 #include "SkRegion.h"
33 
34 namespace WebCore {
35 
36 class LayerAndroid;
37 class TransformationMatrix;
38 
39 class GLExtras {
40 public:
41     GLExtras();
42     virtual ~GLExtras();
43 
44     void drawGL(const LayerAndroid* layer);
setDrawExtra(android::DrawExtra * extra)45     void setDrawExtra(android::DrawExtra* extra) { m_drawExtra = extra; }
setVisibleContentRect(const SkRect & visibleContentRect)46     void setVisibleContentRect(const SkRect & visibleContentRect)
47     {
48         m_visibleContentRect = visibleContentRect;
49     }
50 
51     void drawRegion(const SkRegion& region, bool fill, bool drawBorder,
52                     const TransformationMatrix* drawMat, Color color = COLOR_HOLO_LIGHT);
53 
54 private:
55     void drawRing(SkRect& srcRect, Color color, const TransformationMatrix* drawMat);
56 
57     android::DrawExtra* m_drawExtra;
58     SkRect m_visibleContentRect;
59 };
60 
61 } // namespace WebCore
62 
63 #endif // GLExtras_h
64