f1eb43e880
Change-Id: I60d60e9b9ea0b7b6544a36bef7f4e263bb9de532 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/296416 Reviewed-by: Kevin Lubick <kjlubick@google.com> Commit-Queue: Zepeng Hu <zepenghu@google.com>
41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
/*
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* Copyright 2018 Google, LLC
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "include/core/SkCanvas.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkSurface.h"
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#include "src/core/SkFontMgrPriv.h"
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#include "src/core/SkReadBuffer.h"
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#include "src/core/SkTextBlobPriv.h"
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#include "tools/fonts/TestFontMgr.h"
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void FuzzTextBlobDeserialize(SkReadBuffer& buf) {
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auto tb = SkTextBlobPriv::MakeFromBuffer(buf);
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if (!buf.isValid()) {
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return;
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}
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auto s = SkSurface::MakeRasterN32Premul(128, 128);
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if (!s) {
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// May return nullptr in memory-constrained fuzzing environments
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return;
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}
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s->getCanvas()->drawTextBlob(tb, 200, 200, SkPaint());
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}
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#if defined(IS_FUZZING_WITH_LIBFUZZER)
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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if (size > 1024) {
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return 0;
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}
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gSkFontMgr_DefaultFactory = &ToolUtils::MakePortableFontMgr;
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SkReadBuffer buf(data, size);
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FuzzTextBlobDeserialize(buf);
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return 0;
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}
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#endif
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