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/*
* Copyright 2016 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 "SkPath.h"
#include "SkPathOps.h"
const int kLastOp = SkPathOp::kReverseDifference_SkPathOp;
void BuildPath(Fuzz* fuzz,
SkPath* path,
int last_verb) {
while (!fuzz->exhausted()) {
uint8_t operation = fuzz->next<uint8_t>();
switch (operation % (last_verb + 1)) {
case SkPath::Verb::kMove_Verb:
path->moveTo(fuzz->next<SkScalar>(), fuzz->next<SkScalar>());
break;
case SkPath::Verb::kLine_Verb:
path->lineTo(fuzz->next<SkScalar>(), fuzz->next<SkScalar>());
break;
case SkPath::Verb::kQuad_Verb:
path->quadTo(fuzz->next<SkScalar>(), fuzz->next<SkScalar>(),
fuzz->next<SkScalar>(), fuzz->next<SkScalar>());
break;
case SkPath::Verb::kConic_Verb:
path->conicTo(fuzz->next<SkScalar>(), fuzz->next<SkScalar>(),
fuzz->next<SkScalar>(), fuzz->next<SkScalar>(),
fuzz->next<SkScalar>());
break;
case SkPath::Verb::kCubic_Verb:
path->cubicTo(fuzz->next<SkScalar>(), fuzz->next<SkScalar>(),
fuzz->next<SkScalar>(), fuzz->next<SkScalar>(),
fuzz->next<SkScalar>(), fuzz->next<SkScalar>());
break;
case SkPath::Verb::kClose_Verb:
path->close();
break;
case SkPath::Verb::kDone_Verb:
// In this case, simply exit.
return;
}
}
}
DEF_FUZZ(Pathop, fuzz) {
SkOpBuilder builder;
uint8_t stragglerOp = fuzz->next<uint8_t>();
SkPath path;
BuildPath(fuzz, &path, SkPath::Verb::kDone_Verb);
builder.add(path, static_cast<SkPathOp>(stragglerOp % (kLastOp + 1)));
SkPath result;
builder.resolve(&result);
}
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