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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 "SkBmpCodec.h" | 8 #include "SkBmpCodec.h" |
| 9 #include "SkCodecPriv.h" | 9 #include "SkCodecPriv.h" |
| 10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
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| 121 | 121 |
| 122 // If we cannot skip, assume we have reached the end of the stream and | 122 // If we cannot skip, assume we have reached the end of the stream and |
| 123 // stop trying to make codecs | 123 // stop trying to make codecs |
| 124 if (inputStream.get()->skip(offset - bytesRead) != offset - bytesRead) { | 124 if (inputStream.get()->skip(offset - bytesRead) != offset - bytesRead) { |
| 125 SkCodecPrintf("Warning: could not skip to ico offset.\n"); | 125 SkCodecPrintf("Warning: could not skip to ico offset.\n"); |
| 126 break; | 126 break; |
| 127 } | 127 } |
| 128 bytesRead = offset; | 128 bytesRead = offset; |
| 129 | 129 |
| 130 // Create a new stream for the embedded codec | 130 // Create a new stream for the embedded codec |
| 131 SkAutoTUnref<SkData> data( | 131 sk_sp<SkData> data(SkData::MakeFromStream(inputStream.get(), size)); |
| 132 SkData::NewFromStream(inputStream.get(), size)); | |
| 133 if (nullptr == data.get()) { | 132 if (nullptr == data.get()) { |
| 134 SkCodecPrintf("Warning: could not create embedded stream.\n"); | 133 SkCodecPrintf("Warning: could not create embedded stream.\n"); |
| 135 break; | 134 break; |
| 136 } | 135 } |
| 137 SkAutoTDelete<SkMemoryStream> embeddedStream(new SkMemoryStream(data.get
())); | 136 SkAutoTDelete<SkMemoryStream> embeddedStream(new SkMemoryStream(data)); |
| 138 bytesRead += size; | 137 bytesRead += size; |
| 139 | 138 |
| 140 // Check if the embedded codec is bmp or png and create the codec | 139 // Check if the embedded codec is bmp or png and create the codec |
| 141 SkCodec* codec = nullptr; | 140 SkCodec* codec = nullptr; |
| 142 if (SkPngCodec::IsPng((const char*) data->bytes(), data->size())) { | 141 if (SkPngCodec::IsPng((const char*) data->bytes(), data->size())) { |
| 143 codec = SkPngCodec::NewFromStream(embeddedStream.release()); | 142 codec = SkPngCodec::NewFromStream(embeddedStream.release()); |
| 144 } else { | 143 } else { |
| 145 codec = SkBmpCodec::NewFromIco(embeddedStream.release()); | 144 codec = SkBmpCodec::NewFromIco(embeddedStream.release()); |
| 146 } | 145 } |
| 147 | 146 |
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| 312 SkCodec::SkScanlineOrder SkIcoCodec::onGetScanlineOrder() const { | 311 SkCodec::SkScanlineOrder SkIcoCodec::onGetScanlineOrder() const { |
| 313 // FIXME: This function will possibly return the wrong value if it is called | 312 // FIXME: This function will possibly return the wrong value if it is called |
| 314 // before startScanlineDecode(). | 313 // before startScanlineDecode(). |
| 315 return fCurrScanlineCodec ? fCurrScanlineCodec->getScanlineOrder() : | 314 return fCurrScanlineCodec ? fCurrScanlineCodec->getScanlineOrder() : |
| 316 INHERITED::onGetScanlineOrder(); | 315 INHERITED::onGetScanlineOrder(); |
| 317 } | 316 } |
| 318 | 317 |
| 319 SkSampler* SkIcoCodec::getSampler(bool createIfNecessary) { | 318 SkSampler* SkIcoCodec::getSampler(bool createIfNecessary) { |
| 320 return fCurrScanlineCodec ? fCurrScanlineCodec->getSampler(createIfNecessary
) : nullptr; | 319 return fCurrScanlineCodec ? fCurrScanlineCodec->getSampler(createIfNecessary
) : nullptr; |
| 321 } | 320 } |
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