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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