skia2/fuzz/oss_fuzz/FuzzImage.cpp

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/*
* 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 "SkImage.h"
#include "SkPaint.h"
#include "SkCanvas.h"
#include "SkData.h"
#include "SkSurface.h"
void FuzzImage(sk_sp<SkData> bytes) {
auto img = SkImage::MakeFromEncoded(bytes);
if (nullptr == img.get()) {
return;
}
auto s = SkSurface::MakeRasterN32Premul(128, 128);
if (!s) {
// May return nullptr in memory-constrained fuzzing environments
return;
}
SkPaint p;
s->getCanvas()->drawImage(img, 0, 0, &p);
}
#if defined(IS_FUZZING_WITH_LIBFUZZER)
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
auto bytes = SkData::MakeWithoutCopy(data, size);
FuzzImage(bytes);
return 0;
}
#endif