/* | |
Copyright 2011 Google Inc. | |
Licensed under the Apache License, Version 2.0 (the "License"); | |
you may not use this file except in compliance with the License. | |
You may obtain a copy of the License at | |
http://www.apache.org/licenses/LICENSE-2.0 | |
Unless required by applicable law or agreed to in writing, software | |
distributed under the License is distributed on an "AS IS" BASIS, | |
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
See the License for the specific language governing permissions and | |
limitations under the License. | |
*/ | |
#ifndef GrPaint_DEFINED | |
#define GrPaint_DEFINED | |
#include "GrTexture.h" | |
#include "GrSamplerState.h" | |
#include "GrDrawTarget.h" | |
/** | |
* The paint describes how pixels are colored when the context draws to | |
* them. | |
*/ | |
class GrPaint { | |
public: | |
// All the paint fields are public except texture (it's ref-counted) | |
GrDrawTarget::BlendCoeff fSrcBlendCoeff; | |
GrDrawTarget::BlendCoeff fDstBlendCoeff; | |
bool fAntiAlias; | |
bool fDither; | |
GrColor fColor; | |
GrSamplerState fSampler; | |
void setTexture(GrTexture* texture) { | |
GrSafeRef(texture); | |
GrSafeUnref(fTexture); | |
fTexture = texture; | |
} | |
GrTexture* getTexture() const { return fTexture; } | |
// uninitialized | |
GrPaint() { | |
fTexture = NULL; | |
} | |
GrPaint(const GrPaint& paint) { | |
fSrcBlendCoeff = paint.fSrcBlendCoeff; | |
fDstBlendCoeff = paint.fDstBlendCoeff; | |
fAntiAlias = paint.fAntiAlias; | |
fDither = paint.fDither; | |
fColor = paint.fColor; | |
fSampler = paint.fSampler; | |
fTexture = paint.fTexture; | |
GrSafeRef(fTexture); | |
} | |
~GrPaint() { | |
GrSafeUnref(fTexture); | |
} | |
// sets paint to src-over, solid white, no texture | |
void reset() { | |
resetBlend(); | |
resetOptions(); | |
resetColor(); | |
resetTexture(); | |
} | |
private: | |
GrTexture* fTexture; | |
void resetBlend() { | |
fSrcBlendCoeff = GrDrawTarget::kOne_BlendCoeff; | |
fDstBlendCoeff = GrDrawTarget::kZero_BlendCoeff; | |
} | |
void resetOptions() { | |
fAntiAlias = false; | |
fDither = false; | |
} | |
void resetColor() { | |
fColor = GrColorPackRGBA(0xff, 0xff, 0xff, 0xff); | |
} | |
void resetTexture() { | |
setTexture(NULL); | |
fSampler.setClampNoFilter(); | |
} | |
}; | |
#endif |