| /* |
| * Copyright 2018 Google, LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "include/android/SkAnimatedImage.h" |
| #include "include/codec/SkAndroidCodec.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkData.h" |
| #include "include/core/SkSurface.h" |
| |
| bool FuzzAnimatedImage(sk_sp<SkData> bytes) { |
| auto codec = SkAndroidCodec::MakeFromData(bytes); |
| if (nullptr == codec) { |
| return false; |
| } |
| auto aImg = SkAnimatedImage::Make(std::move(codec)); |
| if (nullptr == aImg) { |
| return false; |
| } |
| |
| auto s = SkSurface::MakeRasterN32Premul(128, 128); |
| if (!s) { |
| // May return nullptr in memory-constrained fuzzing environments |
| return false; |
| } |
| |
| int escape = 0; |
| while (!aImg->isFinished() && escape < 100) { |
| aImg->draw(s->getCanvas()); |
| escape++; |
| aImg->decodeNextFrame(); |
| } |
| return true; |
| } |
| |
| #if defined(SK_BUILD_FOR_LIBFUZZER) |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { |
| if (size > 10240) { |
| return 0; |
| } |
| auto bytes = SkData::MakeWithoutCopy(data, size); |
| FuzzAnimatedImage(bytes); |
| return 0; |
| } |
| #endif |