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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkSwizzler_DEFINED | 8 #ifndef SkSwizzler_DEFINED |
9 #define SkSwizzler_DEFINED | 9 #define SkSwizzler_DEFINED |
10 | 10 |
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171 const uint8_t* SK_RESTRICT src, | 171 const uint8_t* SK_RESTRICT src, |
172 int dstWidth, int bpp, int deltaSrc, int offs
et, | 172 int dstWidth, int bpp, int deltaSrc, int offs
et, |
173 const SkPMColor ctable[]); | 173 const SkPMColor ctable[]); |
174 | 174 |
175 const RowProc fRowProc; | 175 const RowProc fRowProc; |
176 const SkPMColor* fColorTable; // Unowned pointer | 176 const SkPMColor* fColorTable; // Unowned pointer |
177 const int fSrcOffset; // Offset of the src in pixels, allows
for partial | 177 const int fSrcOffset; // Offset of the src in pixels, allows
for partial |
178 // scanline decodes. | 178 // scanline decodes. |
179 int fX0; // Start coordinate for the src, may b
e different than | 179 int fX0; // Start coordinate for the src, may b
e different than |
180 // fSrcOffset if we are sampling. | 180 // fSrcOffset if we are sampling. |
181 const int fSrcWidth; // Width of the source - i.e. before a
ny sampling. | 181 const int fSubsetWidth; // Width of the subset of the source b
efore any sampling. |
182 int fDstWidth; // Width of dst, which may differ with
sampling. | 182 int fDstWidth; // Width of dst, which may differ with
sampling. |
183 int fSampleX; // step between X samples | 183 int fSampleX; // step between X samples |
184 const int fBPP; // if bitsPerPixel % 8 == 0 | 184 const int fBPP; // if bitsPerPixel % 8 == 0 |
185 // fBPP is bytesPerPixel | 185 // fBPP is bytesPerPixel |
186 // else | 186 // else |
187 // fBPP is bitsPerPixel | 187 // fBPP is bitsPerPixel |
188 | 188 |
189 SkSwizzler(RowProc proc, const SkPMColor* ctable, int srcOffset, int srcWidt
h, int bpp); | 189 SkSwizzler(RowProc proc, const SkPMColor* ctable, int srcOffset, int subsetW
idth, int bpp); |
190 | 190 |
191 int onSetSampleX(int) override; | 191 int onSetSampleX(int) override; |
192 | 192 |
193 }; | 193 }; |
194 #endif // SkSwizzler_DEFINED | 194 #endif // SkSwizzler_DEFINED |
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