1 /* 2 * Copyright 2018 Google, LLC 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "SkCanvas.h" 9 #include "SkPaint.h" 10 #include "SkReadBuffer.h" 11 #include "SkSurface.h" 12 #include "SkTextBlob.h" 13 14 void FuzzTextBlobDeserialize(SkReadBuffer& buf) { 15 auto tb = SkTextBlob::MakeFromBuffer(buf); 16 if (!buf.isValid()) { 17 return; 18 } 19 20 auto s = SkSurface::MakeRasterN32Premul(128, 128); 21 if (!s) { 22 // May return nullptr in memory-constrained fuzzing environments 23 return; 24 } 25 s->getCanvas()->drawTextBlob(tb, 200, 200, SkPaint()); 26 } 27 28 #if defined(IS_FUZZING_WITH_LIBFUZZER) 29 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { 30 SkReadBuffer buf(data, size); 31 FuzzTextBlobDeserialize(buf); 32 return 0; 33 } 34 #endif 35
