| /* |
| * 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 |