skia2/fuzz/oss_fuzz/FuzzRegionDeserialize.cpp
Kevin Lubick efce17de5d Reland "[includes] Remove link between SkImage.h and SkImageEncoder.h"
This is a reland of commit f60584eb0f

Client changes:
 - https://chromium-review.googlesource.com/c/chromium/src/+/3508565
 - http://cl/433225409
 - http://cl/433450799

Original change's description:
> [includes] Remove link between SkImage.h and SkImageEncoder.h
>
> According to go/chrome-includes [1], this will save about
> 210MB (0.09%) off the Chrome build. http://screen/GVdDaRRneTRuroL
>
> [1] https://commondatastorage.googleapis.com/chromium-browser-clang/include-analysis.html#view=edges&filter=%5Ethird_party%2Fskia%2Finclude%2Fcore%2FSkImage%5C.h%24&sort=asize&reverse=&includer=%5Ethird_party%2Fskia%2Finclude%2Fcore%2FSkImage%5C.h%24&included=&limit=1000
>
> Change-Id: If911ec283a9ce2b07c8509768a6a05446573a215
> Bug: 242216
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/512416
> Reviewed-by: Leon Scroggins <scroggo@google.com>
> Reviewed-by: Brian Osman <brianosman@google.com>
> Commit-Queue: Kevin Lubick <kjlubick@google.com>

Bug: 242216
Change-Id: Ic61e4ac2878e7a51f389312a3a434856e2e32be3
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/518277
Reviewed-by: Leon Scroggins <scroggo@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
2022-03-10 04:47:51 +00:00

49 lines
1.3 KiB
C++

/*
* Copyright 2018 Google Inc.
*
* 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/SkData.h"
#include "include/core/SkPaint.h"
#include "include/core/SkSurface.h"
#include "src/core/SkRegionPriv.h"
bool FuzzRegionDeserialize(sk_sp<SkData> bytes) {
SkRegion region;
if (!region.readFromMemory(bytes->data(), bytes->size())) {
return false;
}
region.computeRegionComplexity();
region.isComplex();
SkRegion r2;
if (region == r2) {
region.contains(0,0);
} else {
region.contains(1,1);
}
auto s = SkSurface::MakeRasterN32Premul(128, 128);
if (!s) {
// May return nullptr in memory-constrained fuzzing environments
return false;
}
s->getCanvas()->drawRegion(region, SkPaint());
SkDEBUGCODE(SkRegionPriv::Validate(region));
return true;
}
// TODO(kjlubick): remove IS_FUZZING... after https://crrev.com/c/2410304 lands
#if defined(SK_BUILD_FOR_LIBFUZZER) || defined(IS_FUZZING_WITH_LIBFUZZER)
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
if (size > 512) {
return 0;
}
auto bytes = SkData::MakeWithoutCopy(data, size);
FuzzRegionDeserialize(bytes);
return 0;
}
#endif