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| 1 /* |
| 2 * Copyright 2013 Google Inc. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. |
| 6 */ |
| 7 |
| 8 #include "SkDecodingImageGenerator.h" |
| 9 |
| 10 #include "SkBitmapFactory.h" |
| 11 #include "SkData.h" |
| 12 #include "SkDiscardablePixelRef.h" |
| 13 #include "SkImageDecoder.h" |
| 14 |
| 15 SkDecodingImageGenerator::SkDecodingImageGenerator(SkData* data) |
| 16 : fData(data) { |
| 17 SkASSERT(fData != NULL); |
| 18 fData->ref(); |
| 19 } |
| 20 |
| 21 SkDecodingImageGenerator::~SkDecodingImageGenerator() { |
| 22 fData->unref(); |
| 23 } |
| 24 |
| 25 SkData* SkDecodingImageGenerator::refEncodedData() { |
| 26 fData->ref(); |
| 27 return fData; |
| 28 } |
| 29 |
| 30 bool SkDecodingImageGenerator::getInfo(SkImageInfo* info) { |
| 31 SkASSERT(info != NULL); |
| 32 return SkImageDecoder::DecodeMemoryToTarget(fData->data(), |
| 33 fData->size(), |
| 34 info, NULL); |
| 35 } |
| 36 |
| 37 bool SkDecodingImageGenerator::getPixels(const SkImageInfo& info, |
| 38 void* pixels, |
| 39 size_t rowBytes) { |
| 40 SkASSERT(pixels != NULL); |
| 41 SkBitmapFactory::Target target = {pixels, rowBytes}; |
| 42 SkImageInfo tmpInfo = info; |
| 43 return SkImageDecoder::DecodeMemoryToTarget(fData->data(), |
| 44 fData->size(), |
| 45 &tmpInfo, &target); |
| 46 } |
| 47 bool SkDecodingImageGenerator::Install(SkData* data, SkBitmap* dst) { |
| 48 SkASSERT(data != NULL); |
| 49 SkASSERT(dst != NULL); |
| 50 SkImageGenerator* gen(SkNEW_ARGS(SkDecodingImageGenerator, (data))); |
| 51 return SkDiscardablePixelRef::Install(gen, dst); |
| 52 } |
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