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46 lines
1.1 KiB
46 lines
1.1 KiB
4 months ago
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/*
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* Copyright 2018 Google, LLC
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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 "SkAndroidCodec.h"
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#include "SkAnimatedImage.h"
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#include "SkCanvas.h"
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#include "SkData.h"
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#include "SkSurface.h"
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bool FuzzAnimatedImage(sk_sp<SkData> bytes) {
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auto codec = SkAndroidCodec::MakeFromData(bytes);
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if (nullptr == codec) {
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return false;
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}
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auto aImg = SkAnimatedImage::Make(std::move(codec));
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if (nullptr == aImg) {
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return false;
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}
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auto s = SkSurface::MakeRasterN32Premul(128, 128);
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if (!s) {
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// May return nullptr in memory-constrained fuzzing environments
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return false;
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}
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int escape = 0;
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while (!aImg->isFinished() && escape < 100) {
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aImg->draw(s->getCanvas());
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escape++;
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aImg->decodeNextFrame();
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}
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return true;
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}
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#if defined(IS_FUZZING_WITH_LIBFUZZER)
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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auto bytes = SkData::MakeWithoutCopy(data, size);
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FuzzAnimatedImage(bytes);
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return 0;
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}
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#endif
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