blob: 4b3610ecc1d2159d6722980716b8f0f2c6ecd4b9 [file] [log] [blame]
/*
* Copyright 2018 Google Inc.
*
* 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/SkPaint.h"
#include "include/core/SkSurface.h"
#include "src/core/SkRegionPriv.h"
bool FuzzRegionDeserialize(sk_sp<SkData> bytes) {
SkRegion region;
if (!region.readFromMemory(bytes->data(), bytes->size())) {
return false;
}
region.computeRegionComplexity();
region.isComplex();
SkRegion r2;
if (region == r2) {
region.contains(0,0);
} else {
region.contains(1,1);
}
auto s = SkSurface::MakeRasterN32Premul(128, 128);
if (!s) {
// May return nullptr in memory-constrained fuzzing environments
return false;
}
s->getCanvas()->drawRegion(region, SkPaint());
SkDEBUGCODE(SkRegionPriv::Validate(region));
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 > 512) {
return 0;
}
auto bytes = SkData::MakeWithoutCopy(data, size);
FuzzRegionDeserialize(bytes);
return 0;
}
#endif