89 lines
1.9 KiB
C
89 lines
1.9 KiB
C
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/*
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Copyright 2010 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#ifndef GrAtlas_DEFINED
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#define GrAtlas_DEFINED
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#include "GrPoint.h"
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#include "GrTexture.h"
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#include "GrTDArray.h"
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class GrGpu;
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class GrRectanizer;
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class GrAtlasMgr;
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class GrAtlas {
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public:
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GrAtlas(GrAtlasMgr*, int plotX, int plotY);
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int getPlotX() const { return fPlot.fX; }
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int getPlotY() const { return fPlot.fY; }
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GrTexture* texture() const { return fTexture; }
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bool addSubImage(int width, int height, const void*, GrIPoint16*);
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static void FreeLList(GrAtlas* atlas) {
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while (atlas) {
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GrAtlas* next = atlas->fNext;
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delete atlas;
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atlas = next;
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}
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}
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// testing
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GrAtlas* nextAtlas() const { return fNext; }
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private:
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~GrAtlas(); // does not try to delete the fNext field
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GrAtlas* fNext;
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GrTexture* fTexture;
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GrRectanizer* fRects;
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GrAtlasMgr* fAtlasMgr;
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GrIPoint16 fPlot;
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friend class GrAtlasMgr;
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};
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class GrPlotMgr;
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class GrAtlasMgr {
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public:
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GrAtlasMgr(GrGpu*);
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~GrAtlasMgr();
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GrAtlas* addToAtlas(GrAtlas*, int width, int height, const void*,
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GrIPoint16*);
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GrTexture* getTexture() const { return fTexture; }
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// to be called by ~GrAtlas()
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void freePlot(int x, int y);
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void abandonAll();
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private:
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GrGpu* fGpu;
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GrTexture* fTexture;
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GrPlotMgr* fPlotMgr;
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};
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#endif
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