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Side by Side Diff: src/effects/gradients/SkGradientShader.cpp

Issue 770703002: Bump min picture version. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: TODO Created 6 years ago
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1 /* 1 /*
2 * Copyright 2006 The Android Open Source Project 2 * Copyright 2006 The Android Open Source Project
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 #include "SkGradientShaderPriv.h" 8 #include "SkGradientShaderPriv.h"
9 #include "SkLinearGradient.h" 9 #include "SkLinearGradient.h"
10 #include "SkRadialGradient.h" 10 #include "SkRadialGradient.h"
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202 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING 202 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
203 static SkShader::TileMode unpack_mode(uint32_t packed) { 203 static SkShader::TileMode unpack_mode(uint32_t packed) {
204 return (SkShader::TileMode)(packed & 0xF); 204 return (SkShader::TileMode)(packed & 0xF);
205 } 205 }
206 206
207 static uint32_t unpack_flags(uint32_t packed) { 207 static uint32_t unpack_flags(uint32_t packed) {
208 return packed >> 4; 208 return packed >> 4;
209 } 209 }
210 210
211 SkGradientShaderBase::SkGradientShaderBase(SkReadBuffer& buffer) : INHERITED(buf fer) { 211 SkGradientShaderBase::SkGradientShaderBase(SkReadBuffer& buffer) : INHERITED(buf fer) {
212 if (buffer.isVersionLT(SkReadBuffer::kNoUnitMappers_Version)) {
213 // skip the old SkUnitMapper slot
214 buffer.skipFlattenable();
215 }
216
217 int colorCount = fColorCount = buffer.getArrayCount(); 212 int colorCount = fColorCount = buffer.getArrayCount();
218 if (colorCount > kColorStorageCount) { 213 if (colorCount > kColorStorageCount) {
219 size_t allocSize = (sizeof(SkColor) + sizeof(SkScalar) + sizeof(Rec)) * colorCount; 214 size_t allocSize = (sizeof(SkColor) + sizeof(SkScalar) + sizeof(Rec)) * colorCount;
220 if (buffer.validateAvailable(allocSize)) { 215 if (buffer.validateAvailable(allocSize)) {
221 fOrigColors = reinterpret_cast<SkColor*>(sk_malloc_throw(allocSize)) ; 216 fOrigColors = reinterpret_cast<SkColor*>(sk_malloc_throw(allocSize)) ;
222 } else { 217 } else {
223 fOrigColors = NULL; 218 fOrigColors = NULL;
224 colorCount = fColorCount = 0; 219 colorCount = fColorCount = 0;
225 } 220 }
226 } else { 221 } else {
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311 for (int i = 0; i < count; ++i) { 306 for (int i = 0; i < count; ++i) {
312 int offset = count - i - 1; 307 int offset = count - i - 1;
313 recsTemp[i].fPos = SK_Fixed1 - recSrc[offset].fPos; 308 recsTemp[i].fPos = SK_Fixed1 - recSrc[offset].fPos;
314 recsTemp[i].fScale = recSrc[offset].fScale; 309 recsTemp[i].fScale = recSrc[offset].fScale;
315 } 310 }
316 memcpy(recDst, recsTemp.get(), count * sizeof(Rec)); 311 memcpy(recDst, recsTemp.get(), count * sizeof(Rec));
317 } 312 }
318 memcpy(colorDst, colorsTemp.get(), count * sizeof(SkColor)); 313 memcpy(colorDst, colorsTemp.get(), count * sizeof(SkColor));
319 } 314 }
320 315
321 void SkGradientShaderBase::flipGradientColors() {
322 FlipGradientColors(fOrigColors, fRecs, fOrigColors, fRecs, fColorCount);
323 }
324
325 bool SkGradientShaderBase::isOpaque() const { 316 bool SkGradientShaderBase::isOpaque() const {
326 return fColorsAreOpaque; 317 return fColorsAreOpaque;
327 } 318 }
328 319
329 static unsigned rounded_divide(unsigned numer, unsigned denom) { 320 static unsigned rounded_divide(unsigned numer, unsigned denom) {
330 return (numer + (denom >> 1)) / denom; 321 return (numer + (denom >> 1)) / denom;
331 } 322 }
332 323
333 bool SkGradientShaderBase::onAsLuminanceColor(SkColor* lum) const { 324 bool SkGradientShaderBase::onAsLuminanceColor(SkColor* lum) const {
334 // we just compute an average color. 325 // we just compute an average color.
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1235 (*stops)[i] = stop; 1226 (*stops)[i] = stop;
1236 stop = i < outColors - 1 ? stop + random->nextUScalar1() * (1.f - st op) : 1.f; 1227 stop = i < outColors - 1 ? stop + random->nextUScalar1() * (1.f - st op) : 1.f;
1237 } 1228 }
1238 } 1229 }
1239 *tm = static_cast<SkShader::TileMode>(random->nextULessThan(SkShader::kTileM odeCount)); 1230 *tm = static_cast<SkShader::TileMode>(random->nextULessThan(SkShader::kTileM odeCount));
1240 1231
1241 return outColors; 1232 return outColors;
1242 } 1233 }
1243 1234
1244 #endif 1235 #endif
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