blob: 54109f095a5f2daa40d6d3ea7fcafd7a190335fc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/*
* 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 "SkAndroidCodec.h"
#include "SkAnimatedImage.h"
#include "SkPaint.h"
#include "SkCanvas.h"
#include "SkData.h"
#include "SkSurface.h"
void FuzzAnimatedImage(sk_sp<SkData> bytes) {
auto codec = SkAndroidCodec::MakeFromData(bytes);
if (nullptr == codec) {
return;
}
auto aImg = SkAnimatedImage::Make(std::move(codec));
if (nullptr == aImg) {
return;
}
auto s = SkSurface::MakeRasterN32Premul(128, 128);
if (!s) {
// May return nullptr in memory-constrained fuzzing environments
return;
}
SkPaint p;
int escape = 0;
while (!aImg->isFinished() && escape < 100) {
aImg->draw(s->getCanvas());
escape++;
aImg->decodeNextFrame();
}
}
#if defined(IS_FUZZING_WITH_LIBFUZZER)
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
auto bytes = SkData::MakeWithoutCopy(data, size);
FuzzAnimatedImage(bytes);
return 0;
}
#endif
|
