342b7acc46
BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4394 Change-Id: I088b3c6e2adff07abed1e8a50091cc0ec4a4109c Reviewed-on: https://skia-review.googlesource.com/4394 Reviewed-by: Ben Wagner <bungeman@google.com> Commit-Queue: Hal Canary <halcanary@google.com>
35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkBitmap.h"
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#include "SkCodec.h"
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#include "SkData.h"
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inline bool decode_memory(const void* mem, size_t size, SkBitmap* bm) {
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std::unique_ptr<SkCodec> codec(SkCodec::NewFromData(SkData::MakeWithoutCopy(mem, size)));
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if (!codec) {
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return false;
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}
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// Construct a color table for the decode if necessary
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sk_sp<SkColorTable> colorTable(nullptr);
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SkPMColor* colorPtr = nullptr;
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int* colorCountPtr = nullptr;
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int maxColors = 256;
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if (kIndex_8_SkColorType == codec->getInfo().colorType()) {
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SkPMColor colors[256];
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colorTable.reset(new SkColorTable(colors, maxColors));
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colorPtr = const_cast<SkPMColor*>(colorTable->readColors());
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colorCountPtr = &maxColors;
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}
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bm->allocPixels(codec->getInfo(), nullptr, colorTable.get());
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const SkCodec::Result result = codec->getPixels(codec->getInfo(), bm->getPixels(),
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bm->rowBytes(), nullptr, colorPtr, colorCountPtr);
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return result == SkCodec::kSuccess || result == SkCodec::kIncompleteInput;
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}
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