skia2/fuzz/FuzzPolyUtils.cpp
Jim Van Verth a5ef39726a More polyutils fixes
Bug: chromium:954891, oss-fuzz:14079
Change-Id: Ia1ee0a15ab4bfc93e67188ff02e6aa436432a3be
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211602
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
2019-05-01 18:02:05 +00:00

43 lines
1.2 KiB
C++

/*
* 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 "fuzz/Fuzz.h"
#include "src/utils/SkPolyUtils.h"
void inline ignoreResult(bool ) {}
DEF_FUZZ(PolyUtils, fuzz) {
int count;
fuzz->nextRange(&count, 0, 512);
SkAutoSTMalloc<64, SkPoint> polygon(count);
for (int index = 0; index < count; ++index) {
fuzz->next(&polygon[index].fX, &polygon[index].fY);
}
SkRect bounds;
bounds.setBoundsCheck(polygon, count);
ignoreResult(SkGetPolygonWinding(polygon, count));
ignoreResult(SkIsConvexPolygon(polygon, count));
ignoreResult(SkIsSimplePolygon(polygon, count));
SkScalar inset;
fuzz->next(&inset);
SkTDArray<SkPoint> output;
ignoreResult(SkInsetConvexPolygon(polygon, count, inset, &output));
SkScalar offset;
fuzz->next(&offset);
ignoreResult(SkOffsetSimplePolygon(polygon, count, bounds, offset, &output));
SkAutoSTMalloc<64, uint16_t> indexMap(count);
for (int index = 0; index < count; ++index) {
fuzz->next(&indexMap[index]);
}
SkTDArray<uint16_t> outputIndices;
ignoreResult(SkTriangulateSimplePolygon(polygon, indexMap, count, &outputIndices));
}