xref: /third_party/skia/fuzz/oss_fuzz/FuzzSKP.cpp (revision cb93a386)
1/*
2 * Copyright 2020 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 "include/core/SkCanvas.h"
9#include "include/core/SkData.h"
10#include "include/core/SkPicture.h"
11#include "include/core/SkStream.h"
12#include "include/core/SkSurface.h"
13
14constexpr static SkISize kCanvasSize= {128, 160};
15
16void FuzzSKP(sk_sp<SkData> bytes) {
17    sk_sp<SkPicture> pic = SkPicture::MakeFromData(bytes->data(), bytes->size());
18    if (!pic) {
19        SkDebugf("[terminated] Couldn't decode as a picture.\n");
20        return;
21    }
22    sk_sp<SkSurface> surface = SkSurface::MakeRasterN32Premul(kCanvasSize.width(),
23                                                              kCanvasSize.height());
24    surface->getCanvas()->drawPicture(pic);
25    pic->approximateBytesUsed();
26    pic->approximateOpCount();
27    return;
28}
29
30#if defined(SK_BUILD_FOR_LIBFUZZER)
31extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
32    auto bytes = SkData::MakeWithoutCopy(data, size);
33    FuzzSKP(bytes);
34    return 0;
35}
36#endif
37