skia2/fuzz/FuzzPolyUtils.cpp

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/*
* 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.h"
#include "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);
}
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, 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));
}