1 /* 2 * Copyright 2010, 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 PaintTileSetOperation_h 27 #define PaintTileSetOperation_h 28 29 #include "QueuedOperation.h" 30 31 namespace WebCore { 32 33 class LayerAndroid; 34 class PaintedSurface; 35 36 class PaintTileOperation : public QueuedOperation { 37 public: 38 PaintTileOperation(BaseTile* tile, PaintedSurface* surface = 0); 39 virtual ~PaintTileOperation(); 40 virtual bool operator==(const QueuedOperation* operation); 41 virtual void run(); 42 // returns a rendering priority for m_tile, lower values are processed faster 43 virtual int priority(); painter()44 TilePainter* painter() { return m_tile->painter(); } scale()45 float scale() { return m_tile->scale(); } 46 47 private: 48 BaseTile* m_tile; 49 PaintedSurface* m_surface; 50 LayerAndroid* m_layer; 51 }; 52 53 class ScaleFilter : public OperationFilter { 54 public: ScaleFilter(TilePainter * painter,float scale)55 ScaleFilter(TilePainter* painter, float scale) 56 : m_painter(painter) 57 , m_scale(scale) {} check(QueuedOperation * operation)58 virtual bool check(QueuedOperation* operation) 59 { 60 if (operation->type() == QueuedOperation::PaintTile) { 61 PaintTileOperation* op = static_cast<PaintTileOperation*>(operation); 62 if ((op->painter() == m_painter) && (op->scale() != m_scale)) 63 return true; 64 } 65 return false; 66 } 67 private: 68 TilePainter* m_painter; 69 float m_scale; 70 }; 71 72 73 class TilePainterFilter : public OperationFilter { 74 public: TilePainterFilter(TilePainter * painter)75 TilePainterFilter(TilePainter* painter) : m_painter(painter) {} check(QueuedOperation * operation)76 virtual bool check(QueuedOperation* operation) 77 { 78 if (operation->type() == QueuedOperation::PaintTile) { 79 PaintTileOperation* op = static_cast<PaintTileOperation*>(operation); 80 if (op->painter() == m_painter) 81 return true; 82 } 83 return false; 84 } 85 private: 86 TilePainter* m_painter; 87 }; 88 89 } 90 91 #endif // PaintTileSetOperation_h 92