/* * Copyright 2018 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "SkAndroidCodec.h" #include "SkAnimatedImage.h" #include "SkPaint.h" #include "SkCanvas.h" #include "SkData.h" #include "SkSurface.h" void FuzzAnimatedImage(sk_sp bytes) { auto codec = SkAndroidCodec::MakeFromData(bytes); if (nullptr == codec) { return; } auto aImg = SkAnimatedImage::Make(std::move(codec)); if (nullptr == aImg) { return; } auto s = SkSurface::MakeRasterN32Premul(128, 128); if (!s) { // May return nullptr in memory-constrained fuzzing environments return; } SkPaint p; int escape = 0; while (!aImg->isFinished() && escape < 100) { aImg->draw(s->getCanvas()); escape++; aImg->decodeNextFrame(); } } #if defined(IS_FUZZING_WITH_LIBFUZZER) extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { auto bytes = SkData::MakeWithoutCopy(data, size); FuzzAnimatedImage(bytes); return 0; } #endif