2018-02-12 13:26:39 +00:00
|
|
|
/*
|
2018-02-27 13:30:43 +00:00
|
|
|
* Copyright 2018 Google, LLC
|
2018-02-12 13:26:39 +00:00
|
|
|
*
|
|
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
|
|
* found in the LICENSE file.
|
|
|
|
*/
|
|
|
|
|
2019-04-23 17:05:21 +00:00
|
|
|
#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"
|
2018-02-12 13:26:39 +00:00
|
|
|
|
2018-10-17 14:24:44 +00:00
|
|
|
bool FuzzAnimatedImage(sk_sp<SkData> bytes) {
|
2018-02-12 13:26:39 +00:00
|
|
|
auto codec = SkAndroidCodec::MakeFromData(bytes);
|
|
|
|
if (nullptr == codec) {
|
2018-10-17 14:24:44 +00:00
|
|
|
return false;
|
2018-02-12 13:26:39 +00:00
|
|
|
}
|
|
|
|
auto aImg = SkAnimatedImage::Make(std::move(codec));
|
|
|
|
if (nullptr == aImg) {
|
2018-10-17 14:24:44 +00:00
|
|
|
return false;
|
2018-02-12 13:26:39 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
auto s = SkSurface::MakeRasterN32Premul(128, 128);
|
|
|
|
if (!s) {
|
|
|
|
// May return nullptr in memory-constrained fuzzing environments
|
2018-10-17 14:24:44 +00:00
|
|
|
return false;
|
2018-02-12 13:26:39 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int escape = 0;
|
|
|
|
while (!aImg->isFinished() && escape < 100) {
|
|
|
|
aImg->draw(s->getCanvas());
|
|
|
|
escape++;
|
|
|
|
aImg->decodeNextFrame();
|
|
|
|
}
|
2018-10-17 14:24:44 +00:00
|
|
|
return true;
|
2018-02-12 13:26:39 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#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
|