skia2/fuzz/oss_fuzz/FuzzSVG.cpp
2020-06-11 16:51:33 +00:00

50 lines
1.1 KiB
C++

/*
* Copyright 2020 Google, LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "experimental/svg/model/SkSVGDOM.h"
#include "include/core/SkData.h"
#include "include/core/SkStream.h"
#include "include/core/SkSurface.h"
void FuzzSVG(sk_sp<SkData> bytes) {
const uint8_t* data = bytes->bytes();
const size_t size = bytes->size();
if (size < 2) {
return;
}
uint8_t w;
uint8_t h;
std::memcpy(&w, data, sizeof(w));
std::memcpy(&h, data, sizeof(w));
w %= 128;
h %= 128;
SkMemoryStream stream(bytes);
sk_sp<SkSVGDOM> dom = SkSVGDOM::MakeFromStream(stream);
if (!dom) {
return;
}
auto s = SkSurface::MakeRasterN32Premul(128, 128);
if (!s) {
return;
}
SkSize winSize = SkSize::Make(w, h);
dom->setContainerSize(winSize);
dom->render(s->getCanvas());
}
#if defined(IS_FUZZING_WITH_LIBFUZZER)
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
auto bytes = SkData::MakeWithoutCopy(data, size);
FuzzSVG(bytes);
return 0;
}
#endif