blob: f2148b41815f84c9ee5f461f887d0adb78b31878 [file] [log] [blame]
/*
* 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/core/SkCanvas.h"
#include "include/core/SkData.h"
#include "include/core/SkImage.h"
#include "include/core/SkPaint.h"
#include "include/core/SkSurface.h"
bool FuzzImageDecode(sk_sp<SkData> bytes) {
auto img = SkImage::MakeFromEncoded(bytes);
if (nullptr == img.get()) {
return false;
}
auto s = SkSurface::MakeRasterN32Premul(128, 128);
if (!s) {
// May return nullptr in memory-constrained fuzzing environments
return false;
}
s->getCanvas()->drawImage(img, 0, 0);
return true;
}
// TODO(kjlubick): remove IS_FUZZING... after https://crrev.com/c/2410304 lands
#if defined(SK_BUILD_FOR_LIBFUZZER) || defined(IS_FUZZING_WITH_LIBFUZZER)
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
if (size > 10240) {
return 0;
}
auto bytes = SkData::MakeWithoutCopy(data, size);
FuzzImageDecode(bytes);
return 0;
}
#endif