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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 "SkBmpMaskCodec.h" | 8 #include "SkBmpMaskCodec.h" |
9 #include "SkCodecPriv.h" | 9 #include "SkCodecPriv.h" |
10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
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23 {} | 23 {} |
24 | 24 |
25 /* | 25 /* |
26 * Initiates the bitmap decode | 26 * Initiates the bitmap decode |
27 */ | 27 */ |
28 SkCodec::Result SkBmpMaskCodec::onGetPixels(const SkImageInfo& dstInfo, | 28 SkCodec::Result SkBmpMaskCodec::onGetPixels(const SkImageInfo& dstInfo, |
29 void* dst, size_t dstRowBytes, | 29 void* dst, size_t dstRowBytes, |
30 const Options& opts, | 30 const Options& opts, |
31 SkPMColor* inputColorPtr, | 31 SkPMColor* inputColorPtr, |
32 int* inputColorCount) { | 32 int* inputColorCount) { |
33 if (!this->rewindIfNeeded()) { | |
34 return kCouldNotRewind; | |
35 } | |
36 if (opts.fSubset) { | 33 if (opts.fSubset) { |
37 // Subsets are not supported. | 34 // Subsets are not supported. |
38 return kUnimplemented; | 35 return kUnimplemented; |
39 } | 36 } |
40 if (dstInfo.dimensions() != this->getInfo().dimensions()) { | 37 if (dstInfo.dimensions() != this->getInfo().dimensions()) { |
41 SkCodecPrintf("Error: scaling not supported.\n"); | 38 SkCodecPrintf("Error: scaling not supported.\n"); |
42 return kInvalidScale; | 39 return kInvalidScale; |
43 } | 40 } |
44 | 41 |
45 if (!conversion_possible(dstInfo, this->getInfo())) { | 42 if (!conversion_possible(dstInfo, this->getInfo())) { |
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101 | 98 |
102 // Decode the row in destination format | 99 // Decode the row in destination format |
103 uint32_t row = this->getDstRow(y, height); | 100 uint32_t row = this->getDstRow(y, height); |
104 void* dstRow = SkTAddOffset<void>(dst, row * dstRowBytes); | 101 void* dstRow = SkTAddOffset<void>(dst, row * dstRowBytes); |
105 fMaskSwizzler->swizzle(dstRow, srcRow); | 102 fMaskSwizzler->swizzle(dstRow, srcRow); |
106 } | 103 } |
107 | 104 |
108 // Finished decoding the entire image | 105 // Finished decoding the entire image |
109 return kSuccess; | 106 return kSuccess; |
110 } | 107 } |
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