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.h"
9 #include "FuzzCommon.h"
10 #include "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 = SkTMax(bounds.width(), bounds.height());
25     SkScalar resScale = maxDim / 1000;
26     SkPathMeasure measure(path, bits & 1, resScale);
27     SkPoint position;
28     SkVector tangent;
29     ignoreResult(measure.getPosTan(distance[0], &position, &tangent));
30     SkPath dst;
31     ignoreResult(measure.getSegment(distance[1], distance[2], &dst, (bits >> 1) & 1));
32     ignoreResult(measure.nextContour());
33     ignoreResult(measure.getPosTan(distance[3], &position, &tangent));
34     ignoreResult(measure.getSegment(distance[4], distance[5], &dst, (bits >> 2) & 1));
35 }
36