/*

 * 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/SkReadBuffer.h"

#include "src/core/SkTextBlobPriv.h"

#include "tools/fonts/FontToolUtils.h"

void FuzzTextBlobDeserialize(const uint8_t *data, size_t size) {

    SkReadBuffer buf(data, size);

    auto tb = SkTextBlobPriv::MakeFromBuffer(buf);

    if (!buf.isValid()) {

        return;

    }

    auto s = SkSurfaces::Raster(SkImageInfo::MakeN32Premul(128, 128));

    if (!s) {

        // May return nullptr in memory-constrained fuzzing environments

        return;

    }

    s->getCanvas()->drawTextBlob(tb, 200, 200, SkPaint());

}

#if defined(SK_BUILD_FOR_LIBFUZZER)

extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {

    if (size > 1024) {

        return 0;

    }

    ToolUtils::UsePortableFontMgr();

    FuzzTextBlobDeserialize(data, size);

    return 0;

}

#endif