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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 #include "SkBitmapScaler.h" | 8 #include "SkBitmapScaler.h" |
9 #include "SkBitmapFilter.h" | 9 #include "SkBitmapFilter.h" |
10 #include "SkConvolver.h" | 10 #include "SkConvolver.h" |
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245 bool SkBitmapScaler::Resize(SkBitmap* resultPtr, const SkPixmap& source, ResizeM
ethod method, | 245 bool SkBitmapScaler::Resize(SkBitmap* resultPtr, const SkPixmap& source, ResizeM
ethod method, |
246 int destWidth, int destHeight, SkBitmap::Allocator*
allocator) { | 246 int destWidth, int destHeight, SkBitmap::Allocator*
allocator) { |
247 // Preflight some of the checks, to avoid allocating the result if we don't
need it. | 247 // Preflight some of the checks, to avoid allocating the result if we don't
need it. |
248 if (!valid_for_resize(source, destWidth, destHeight)) { | 248 if (!valid_for_resize(source, destWidth, destHeight)) { |
249 return false; | 249 return false; |
250 } | 250 } |
251 | 251 |
252 SkBitmap result; | 252 SkBitmap result; |
253 // Note: pass along the profile information even thought this is no the righ
t answer because | 253 // Note: pass along the profile information even thought this is no the righ
t answer because |
254 // this could be scaling in sRGB. | 254 // this could be scaling in sRGB. |
255 result.setInfo(SkImageInfo::MakeN32(destWidth, destHeight, | 255 result.setInfo(SkImageInfo::MakeN32(destWidth, destHeight, source.alphaType(
), |
256 source.alphaType(), source.info().profil
eType())); | 256 sk_ref_sp(source.info().colorSpace()))); |
257 result.allocPixels(allocator, nullptr); | 257 result.allocPixels(allocator, nullptr); |
258 | 258 |
259 SkPixmap resultPM; | 259 SkPixmap resultPM; |
260 if (!result.peekPixels(&resultPM) || !Resize(resultPM, source, method)) { | 260 if (!result.peekPixels(&resultPM) || !Resize(resultPM, source, method)) { |
261 return false; | 261 return false; |
262 } | 262 } |
263 | 263 |
264 *resultPtr = result; | 264 *resultPtr = result; |
265 resultPtr->lockPixels(); | 265 resultPtr->lockPixels(); |
266 SkASSERT(resultPtr->getPixels()); | 266 SkASSERT(resultPtr->getPixels()); |
267 return true; | 267 return true; |
268 } | 268 } |
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