1 /*
2 * Copyright 2018 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "fuzz/Fuzz.h"
9 #include "fuzz/FuzzCommon.h"
10 #include "include/core/SkPathMeasure.h"
11
ignoreResult(bool)12 void inline ignoreResult(bool ) {}
13
DEF_FUZZ(PathMeasure,fuzz)14 DEF_FUZZ(PathMeasure, fuzz) {
15 uint8_t bits;
16 fuzz->next(&bits);
17 SkScalar distance[6];
18 for (auto index = 0; index < 6; ++index) {
19 fuzz->next(&distance[index]);
20 }
21 SkPath path;
22 FuzzEvilPath(fuzz, &path, SkPath::Verb::kDone_Verb);
23 SkRect bounds = path.getBounds();
24 SkScalar maxDim = std::max(bounds.width(), bounds.height());
25 if (maxDim > 1000000) {
26 return;
27 }
28 SkScalar resScale = maxDim / 1000;
29 SkPathMeasure measure(path, bits & 1, resScale);
30 SkPoint position;
31 SkVector tangent;
32 ignoreResult(measure.getPosTan(distance[0], &position, &tangent));
33 SkPath dst;
34 ignoreResult(measure.getSegment(distance[1], distance[2], &dst, (bits >> 1) & 1));
35 ignoreResult(measure.nextContour());
36 ignoreResult(measure.getPosTan(distance[3], &position, &tangent));
37 ignoreResult(measure.getSegment(distance[4], distance[5], &dst, (bits >> 2) & 1));
38 }
39