cc6e5efe03
With this change I should be able to start merging the rendering implementations of bench_pictures and render_pictures. Review URL: https://codereview.appspot.com/6427061 git-svn-id: http://skia.googlecode.com/svn/trunk@4816 2bbb7eff-a529-9590-31e7-b0007b416f81
105 lines
2.7 KiB
C++
105 lines
2.7 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef PictureRenderer_DEFINED
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#define PictureRenderer_DEFINED
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#include "SkTypes.h"
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#include "SkTDArray.h"
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#include "SkRefCnt.h"
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class SkBitmap;
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class SkCanvas;
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class SkPicture;
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namespace sk_tools {
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class PictureRenderer : public SkRefCnt {
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public:
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virtual void init(const SkPicture& pict){}
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virtual void render(SkPicture* pict, SkCanvas* canvas) = 0;
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};
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class PipePictureRenderer : public PictureRenderer {
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virtual void render(SkPicture* pict, SkCanvas* canvas);
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};
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class SimplePictureRenderer : public PictureRenderer {
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virtual void render (SkPicture* pict, SkCanvas* canvas);
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};
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class TiledPictureRenderer : public PictureRenderer {
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public:
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TiledPictureRenderer();
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virtual void init(const SkPicture& pict);
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virtual void render(SkPicture* pict, SkCanvas* canvas);
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void setTileWidth(int width) {
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fTileWidth = width;
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}
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int getTileWidth() const {
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return fTileWidth;
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}
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void setTileHeight(int height) {
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fTileHeight = height;
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}
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int getTileHeight() const {
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return fTileHeight;
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}
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void setTileWidthPercentage(double percentage) {
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fTileWidthPercentage = percentage;
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}
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double getTileWidthPercentage() {
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return fTileWidthPercentage;
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}
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void setTileHeightPercentage(double percentage) {
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fTileHeightPercentage = percentage;
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}
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double getTileHeightPercentage() {
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return fTileHeightPercentage;
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}
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~TiledPictureRenderer();
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private:
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struct TileInfo {
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SkBitmap* fBitmap;
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SkCanvas* fCanvas;
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};
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int fTileWidth;
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int fTileHeight;
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double fTileWidthPercentage;
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double fTileHeightPercentage;
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SkTDArray<TileInfo> fTiles;
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// Clips the tile to an area that is completely in what the SkPicture says is the
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// drawn-to area. This is mostly important for tiles on the right and bottom edges
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// as they may go over this area and the picture may have some commands that
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// draw outside of this area and so should not actually be written.
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static void clipTile(const SkPicture& picture, const TileInfo& tile);
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void addTile(const SkPicture& picture, int tile_x_start, int tile_y_start);
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void setupTiles(const SkPicture& picture);
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// We manually delete the tiles instead of having a destructor on TileInfo as
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// the destructor on TileInfo will be during a realloc. This would result in
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// the canvases and bitmaps being prematurely deleted.
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void deleteTiles();
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void copyTilesToCanvas(const SkPicture& pict, SkCanvas* destination);
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};
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}
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#endif // PictureRenderer_DEFINED
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