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/*
** Copyright 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 SkBitmapProcState_DEFINED
#define SkBitmapProcState_DEFINED
#include "SkBitmap.h"
#include "SkMatrix.h"
class SkPaint;
struct SkBitmapProcState {
typedef void (*ShaderProc32)(const SkBitmapProcState&, int x, int y,
SkPMColor[], int count);
typedef void (*ShaderProc16)(const SkBitmapProcState&, int x, int y,
uint16_t[], int count);
typedef void (*MatrixProc)(const SkBitmapProcState&,
uint32_t bitmapXY[],
int count,
int x, int y);
typedef void (*SampleProc32)(const SkBitmapProcState&,
const uint32_t[],
int count,
SkPMColor colors[]);
typedef void (*SampleProc16)(const SkBitmapProcState&,
const uint32_t[],
int count,
uint16_t colors[]);
typedef U16CPU (*FixedTileProc)(SkFixed); // returns 0..0xFFFF
// If a shader proc is present, then the corresponding matrix/sample procs
// are ignored
ShaderProc32 fShaderProc32; // chooseProcs
ShaderProc16 fShaderProc16; // chooseProcs
// These are used if the shaderproc is NULL
MatrixProc fMatrixProc; // chooseProcs
SampleProc32 fSampleProc32; // chooseProcs
SampleProc16 fSampleProc16; // chooseProcs
SkMatrix fUnitInvMatrix; // chooseProcs
FixedTileProc fTileProcX; // chooseProcs
FixedTileProc fTileProcY; // chooseProcs
SkFixed fFilterOneX;
SkFixed fFilterOneY;
const SkBitmap* fBitmap; // chooseProcs - orig or mip
SkBitmap fOrigBitmap; // CONSTRUCTOR
SkBitmap fMipBitmap;
SkPMColor fPaintPMColor; // chooseProcs - A8 config
const SkMatrix* fInvMatrix; // chooseProcs
SkMatrix::MapXYProc fInvProc; // chooseProcs
SkFixed fInvSx, fInvSy; // chooseProcs
SkFixed fInvKy; // chooseProcs
uint16_t fAlphaScale; // chooseProcs
uint8_t fInvType; // chooseProcs
uint8_t fTileModeX; // CONSTRUCTOR
uint8_t fTileModeY; // CONSTRUCTOR
SkBool8 fDoFilter; // chooseProcs
bool chooseProcs(const SkMatrix& inv, const SkPaint&);
private:
MatrixProc chooseMatrixProc();
};
#endif
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