skia2/fuzz/FuzzPathMeasure.cpp
Cary Clark 91390c8ace pathmeasure fuzzer
R=kjlubick@google.com, reed@google.com
Bug: skia:
Change-Id: I16a8b09312e5d1d1783bd6a4b791636ad8f63889
Reviewed-on: https://skia-review.googlesource.com/113165
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Cary Clark <caryclark@skia.org>
2018-03-12 15:29:18 +00:00

36 lines
1.1 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 "Fuzz.h"
#include "FuzzCommon.h"
#include "SkPathMeasure.h"
void inline ignoreResult(bool ) {}
DEF_FUZZ(PathMeasure, fuzz) {
uint8_t bits;
fuzz->next(&bits);
SkScalar distance[6];
for (auto index = 0; index < 6; ++index) {
fuzz->next(&distance[index]);
}
SkPath path;
BuildPath(fuzz, &path, SkPath::Verb::kDone_Verb);
SkRect bounds = path.getBounds();
SkScalar maxDim = SkTMax(bounds.width(), bounds.height());
SkScalar resScale = maxDim / 1000;
SkPathMeasure measure(path, bits & 1, resScale);
SkPoint position;
SkVector tangent;
ignoreResult(measure.getPosTan(distance[0], &position, &tangent));
SkPath dst;
ignoreResult(measure.getSegment(distance[1], distance[2], &dst, (bits >> 1) & 1));
ignoreResult(measure.nextContour());
ignoreResult(measure.getPosTan(distance[3], &position, &tangent));
ignoreResult(measure.getSegment(distance[4], distance[5], &dst, (bits >> 2) & 1));
}