fbfcd56021
This CL is part I of IV (I broke down the 1280 files into 4 CLs). Review URL: https://codereview.appspot.com/6485054 git-svn-id: http://skia.googlecode.com/svn/trunk@5262 2bbb7eff-a529-9590-31e7-b0007b416f81
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
|
|
/*
|
|
* Copyright 2007 The Android Open Source Project
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
|
|
#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
|