xref: /aosp_15_r20/external/skia/fuzz/oss_fuzz/FuzzRegionSetPath.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2018 Google Inc.
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker 
8*c8dee2aaSAndroid Build Coastguard Worker #include "fuzz/Fuzz.h"
9*c8dee2aaSAndroid Build Coastguard Worker #include "fuzz/FuzzCommon.h"
10*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkPath.h"
11*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkRegion.h"
12*c8dee2aaSAndroid Build Coastguard Worker 
13*c8dee2aaSAndroid Build Coastguard Worker 
FuzzRegionSetPath(Fuzz * fuzz)14*c8dee2aaSAndroid Build Coastguard Worker void FuzzRegionSetPath(Fuzz* fuzz) {
15*c8dee2aaSAndroid Build Coastguard Worker     SkPath p;
16*c8dee2aaSAndroid Build Coastguard Worker     FuzzNicePath(fuzz, &p, 1000);
17*c8dee2aaSAndroid Build Coastguard Worker     SkRegion r1;
18*c8dee2aaSAndroid Build Coastguard Worker     bool initR1;
19*c8dee2aaSAndroid Build Coastguard Worker     fuzz->next(&initR1);
20*c8dee2aaSAndroid Build Coastguard Worker     if (initR1) {
21*c8dee2aaSAndroid Build Coastguard Worker         fuzz->next(&r1);
22*c8dee2aaSAndroid Build Coastguard Worker     }
23*c8dee2aaSAndroid Build Coastguard Worker     SkRegion r2;
24*c8dee2aaSAndroid Build Coastguard Worker     fuzz->next(&r2);
25*c8dee2aaSAndroid Build Coastguard Worker 
26*c8dee2aaSAndroid Build Coastguard Worker     r1.setPath(p, r2);
27*c8dee2aaSAndroid Build Coastguard Worker 
28*c8dee2aaSAndroid Build Coastguard Worker     // Do some follow on computations to make sure region is well-formed.
29*c8dee2aaSAndroid Build Coastguard Worker     r1.computeRegionComplexity();
30*c8dee2aaSAndroid Build Coastguard Worker     r1.isComplex();
31*c8dee2aaSAndroid Build Coastguard Worker     if (r1 == r2) {
32*c8dee2aaSAndroid Build Coastguard Worker         r1.contains(0,0);
33*c8dee2aaSAndroid Build Coastguard Worker     } else {
34*c8dee2aaSAndroid Build Coastguard Worker         r1.contains(1,1);
35*c8dee2aaSAndroid Build Coastguard Worker     }
36*c8dee2aaSAndroid Build Coastguard Worker }
37*c8dee2aaSAndroid Build Coastguard Worker 
38*c8dee2aaSAndroid Build Coastguard Worker #if defined(SK_BUILD_FOR_LIBFUZZER)
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)39*c8dee2aaSAndroid Build Coastguard Worker extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
40*c8dee2aaSAndroid Build Coastguard Worker     if (size > 512) {
41*c8dee2aaSAndroid Build Coastguard Worker         return 0;
42*c8dee2aaSAndroid Build Coastguard Worker     }
43*c8dee2aaSAndroid Build Coastguard Worker     Fuzz fuzz(data, size);
44*c8dee2aaSAndroid Build Coastguard Worker     FuzzRegionSetPath(&fuzz);
45*c8dee2aaSAndroid Build Coastguard Worker     return 0;
46*c8dee2aaSAndroid Build Coastguard Worker }
47*c8dee2aaSAndroid Build Coastguard Worker #endif
48