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Diffstat (limited to 'Source/WebCore/platform/graphics/android/LayerGroup.h')
-rw-r--r-- | Source/WebCore/platform/graphics/android/LayerGroup.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/android/LayerGroup.h b/Source/WebCore/platform/graphics/android/LayerGroup.h new file mode 100644 index 0000000..1b90f4b --- /dev/null +++ b/Source/WebCore/platform/graphics/android/LayerGroup.h @@ -0,0 +1,71 @@ +/* + * Copyright 2012, The Android Open Source Project + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef LayerGroup_h +#define LayerGroup_h + +#include "TilePainter.h" +#include "Vector.h" + +class SkCanvas; +class SkRegion; + +namespace WebCore { + +class BaseTile; +class DualTiledTexture; +class TexturesResult; +class LayerAndroid; + +class LayerGroup : public TilePainter { +public: + LayerGroup(); + virtual ~LayerGroup(); + + void initializeGroup(LayerAndroid* newLayer, const SkRegion& newLayerInval, + LayerAndroid* oldLayer); + + void addLayer(LayerAndroid* layer); + void prepareGL(bool layerTilesDisabled); + bool drawGL(bool layerTilesDisabled); + void swapTiles(); + bool isReady(); + + IntRect computePrepareArea(); + void computeTexturesAmount(TexturesResult* result); + + // TilePainter methods + virtual bool paint(BaseTile* tile, SkCanvas* canvas, unsigned int* pictureUsed); + virtual const TransformationMatrix* transform(); + virtual float opacity(); +private: + bool m_hasText; + DualTiledTexture* m_dualTiledTexture; + Vector<LayerAndroid*> m_layers; +}; + +} // namespace WebCore + +#endif //#define LayerGroup_h |