54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2007 The Android Open Source Project
|
||
|
|
*
|
||
|
|
* 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 SkColorMatrix_DEFINED
|
||
|
|
#define SkColorMatrix_DEFINED
|
||
|
|
|
||
|
|
#include "SkScalar.h"
|
||
|
|
|
||
|
|
class SkColorMatrix {
|
||
|
|
public:
|
||
|
|
SkScalar fMat[20];
|
||
|
|
|
||
|
|
void setIdentity();
|
||
|
|
void setScale(SkScalar rScale, SkScalar gScale, SkScalar bScale,
|
||
|
|
SkScalar aScale = SK_Scalar1);
|
||
|
|
void preScale(SkScalar rScale, SkScalar gScale, SkScalar bScale,
|
||
|
|
SkScalar aScale = SK_Scalar1);
|
||
|
|
void postScale(SkScalar rScale, SkScalar gScale, SkScalar bScale,
|
||
|
|
SkScalar aScale = SK_Scalar1);
|
||
|
|
|
||
|
|
enum Axis {
|
||
|
|
kR_Axis = 0,
|
||
|
|
kG_Axis = 1,
|
||
|
|
kB_Axis = 2
|
||
|
|
};
|
||
|
|
void setRotate(Axis, SkScalar degrees);
|
||
|
|
void setSinCos(Axis, SkScalar sine, SkScalar cosine);
|
||
|
|
void preRotate(Axis, SkScalar degrees);
|
||
|
|
void postRotate(Axis, SkScalar degrees);
|
||
|
|
|
||
|
|
void setConcat(const SkColorMatrix& a, const SkColorMatrix& b);
|
||
|
|
void preConcat(const SkColorMatrix& mat) { this->setConcat(*this, mat); }
|
||
|
|
void postConcat(const SkColorMatrix& mat) { this->setConcat(mat, *this); }
|
||
|
|
|
||
|
|
void setSaturation(SkScalar sat);
|
||
|
|
void setRGB2YUV();
|
||
|
|
void setYUV2RGB();
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|