| /* |
| * 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/SkPaint.h" |
| #include "include/core/SkSurface.h" |
| #include "src/core/SkFontMgrPriv.h" |
| #include "src/core/SkReadBuffer.h" |
| #include "src/core/SkTextBlobPriv.h" |
| #include "tools/fonts/TestFontMgr.h" |
| |
| void FuzzTextBlobDeserialize(SkReadBuffer& buf) { |
| auto tb = SkTextBlobPriv::MakeFromBuffer(buf); |
| if (!buf.isValid()) { |
| return; |
| } |
| |
| auto s = SkSurface::MakeRasterN32Premul(128, 128); |
| if (!s) { |
| // May return nullptr in memory-constrained fuzzing environments |
| return; |
| } |
| s->getCanvas()->drawTextBlob(tb, 200, 200, SkPaint()); |
| } |
| |
| #if defined(IS_FUZZING_WITH_LIBFUZZER) |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { |
| gSkFontMgr_DefaultFactory = &ToolUtils::MakePortableFontMgr; |
| SkReadBuffer buf(data, size); |
| FuzzTextBlobDeserialize(buf); |
| return 0; |
| } |
| #endif |
