1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker * Copyright 2011 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 "include/core/SkPath.h"
9*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkRect.h"
10*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkScalar.h"
11*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkString.h"
12*c8dee2aaSAndroid Build Coastguard Worker #include "include/utils/SkParsePath.h"
13*c8dee2aaSAndroid Build Coastguard Worker #include "tests/Test.h"
14*c8dee2aaSAndroid Build Coastguard Worker
15*c8dee2aaSAndroid Build Coastguard Worker #include <array>
16*c8dee2aaSAndroid Build Coastguard Worker #include <cstddef>
17*c8dee2aaSAndroid Build Coastguard Worker
test_to_from(skiatest::Reporter * reporter,const SkPath & path)18*c8dee2aaSAndroid Build Coastguard Worker static void test_to_from(skiatest::Reporter* reporter, const SkPath& path) {
19*c8dee2aaSAndroid Build Coastguard Worker SkString str = SkParsePath::ToSVGString(path);
20*c8dee2aaSAndroid Build Coastguard Worker
21*c8dee2aaSAndroid Build Coastguard Worker SkPath path2;
22*c8dee2aaSAndroid Build Coastguard Worker bool success = SkParsePath::FromSVGString(str.c_str(), &path2);
23*c8dee2aaSAndroid Build Coastguard Worker REPORTER_ASSERT(reporter, success);
24*c8dee2aaSAndroid Build Coastguard Worker
25*c8dee2aaSAndroid Build Coastguard Worker SkString str2 = SkParsePath::ToSVGString(path2);
26*c8dee2aaSAndroid Build Coastguard Worker REPORTER_ASSERT(reporter, str == str2);
27*c8dee2aaSAndroid Build Coastguard Worker #if 0 // closed paths are not equal, the iter explicitly gives the closing
28*c8dee2aaSAndroid Build Coastguard Worker // edge, even if it is not in the path.
29*c8dee2aaSAndroid Build Coastguard Worker REPORTER_ASSERT(reporter, path == path2);
30*c8dee2aaSAndroid Build Coastguard Worker if (path != path2) {
31*c8dee2aaSAndroid Build Coastguard Worker SkDebugf("str1=%s\nstr2=%s\n", str.c_str(), str2.c_str());
32*c8dee2aaSAndroid Build Coastguard Worker }
33*c8dee2aaSAndroid Build Coastguard Worker #endif
34*c8dee2aaSAndroid Build Coastguard Worker }
35*c8dee2aaSAndroid Build Coastguard Worker
36*c8dee2aaSAndroid Build Coastguard Worker static struct {
37*c8dee2aaSAndroid Build Coastguard Worker const char* fStr;
38*c8dee2aaSAndroid Build Coastguard Worker const SkRect fBounds;
39*c8dee2aaSAndroid Build Coastguard Worker } gRec[] = {
40*c8dee2aaSAndroid Build Coastguard Worker { "M1,1 l-2.58-2.828-3.82-0.113, 1.9-3.3223-1.08-3.6702, 3.75,0.7744,3.16-2.1551,"
41*c8dee2aaSAndroid Build Coastguard Worker "0.42,3.8008,3.02,2.3384-3.48,1.574-1.29,3.601z",
42*c8dee2aaSAndroid Build Coastguard Worker { -5.39999962f, -10.3142f, 5.77000046f, 1.f } },
43*c8dee2aaSAndroid Build Coastguard Worker { "", { 0, 0, 0, 0 } },
44*c8dee2aaSAndroid Build Coastguard Worker { "M0,0L10,10", { 0, 0, SkIntToScalar(10), SkIntToScalar(10) } },
45*c8dee2aaSAndroid Build Coastguard Worker { "M-5.5,-0.5 Q 0 0 6,6.50",
46*c8dee2aaSAndroid Build Coastguard Worker { -5.5f, -0.5f,
47*c8dee2aaSAndroid Build Coastguard Worker 6, 6.5f } }
48*c8dee2aaSAndroid Build Coastguard Worker };
49*c8dee2aaSAndroid Build Coastguard Worker
DEF_TEST(ParsePath,reporter)50*c8dee2aaSAndroid Build Coastguard Worker DEF_TEST(ParsePath, reporter) {
51*c8dee2aaSAndroid Build Coastguard Worker for (size_t i = 0; i < std::size(gRec); i++) {
52*c8dee2aaSAndroid Build Coastguard Worker SkPath path;
53*c8dee2aaSAndroid Build Coastguard Worker bool success = SkParsePath::FromSVGString(gRec[i].fStr, &path);
54*c8dee2aaSAndroid Build Coastguard Worker REPORTER_ASSERT(reporter, success);
55*c8dee2aaSAndroid Build Coastguard Worker const SkRect& expectedBounds = gRec[i].fBounds;
56*c8dee2aaSAndroid Build Coastguard Worker const SkRect& pathBounds = path.getBounds();
57*c8dee2aaSAndroid Build Coastguard Worker REPORTER_ASSERT(reporter, expectedBounds == pathBounds);
58*c8dee2aaSAndroid Build Coastguard Worker
59*c8dee2aaSAndroid Build Coastguard Worker test_to_from(reporter, path);
60*c8dee2aaSAndroid Build Coastguard Worker }
61*c8dee2aaSAndroid Build Coastguard Worker
62*c8dee2aaSAndroid Build Coastguard Worker SkRect r;
63*c8dee2aaSAndroid Build Coastguard Worker r.setLTRB(0, 0, 10, 10.5f);
64*c8dee2aaSAndroid Build Coastguard Worker SkPath p;
65*c8dee2aaSAndroid Build Coastguard Worker p.addRect(r);
66*c8dee2aaSAndroid Build Coastguard Worker test_to_from(reporter, p);
67*c8dee2aaSAndroid Build Coastguard Worker p.addOval(r);
68*c8dee2aaSAndroid Build Coastguard Worker test_to_from(reporter, p);
69*c8dee2aaSAndroid Build Coastguard Worker p.addRoundRect(r, 4, 4.5f);
70*c8dee2aaSAndroid Build Coastguard Worker test_to_from(reporter, p);
71*c8dee2aaSAndroid Build Coastguard Worker }
72*c8dee2aaSAndroid Build Coastguard Worker
testInvalidPath(skiatest::Reporter * reporter,const std::string & name,const std::string & input)73*c8dee2aaSAndroid Build Coastguard Worker static void testInvalidPath(skiatest::Reporter* reporter, const std::string& name,
74*c8dee2aaSAndroid Build Coastguard Worker const std::string& input) {
75*c8dee2aaSAndroid Build Coastguard Worker skiatest::ReporterContext subtest(reporter, name);
76*c8dee2aaSAndroid Build Coastguard Worker SkPath path;
77*c8dee2aaSAndroid Build Coastguard Worker bool success = SkParsePath::FromSVGString(input.c_str(), &path);
78*c8dee2aaSAndroid Build Coastguard Worker REPORTER_ASSERT(reporter, !success);
79*c8dee2aaSAndroid Build Coastguard Worker // We should not modify the input path on a failure.
80*c8dee2aaSAndroid Build Coastguard Worker REPORTER_ASSERT(reporter, path.isEmpty());
81*c8dee2aaSAndroid Build Coastguard Worker }
82*c8dee2aaSAndroid Build Coastguard Worker
DEF_TEST(ParsePath_InvalidDoesNotCrash,r)83*c8dee2aaSAndroid Build Coastguard Worker DEF_TEST(ParsePath_InvalidDoesNotCrash, r) {
84*c8dee2aaSAndroid Build Coastguard Worker testInvalidPath(r, "empty move", "M");
85*c8dee2aaSAndroid Build Coastguard Worker testInvalidPath(r, "partial move", "M 5");
86*c8dee2aaSAndroid Build Coastguard Worker testInvalidPath(r, "partial vertical line", "V"); // oss-fuzz:68723
87*c8dee2aaSAndroid Build Coastguard Worker testInvalidPath(r, "partial horizontal line", "H");
88*c8dee2aaSAndroid Build Coastguard Worker testInvalidPath(r, "partial cubic", "C 1 2");
89*c8dee2aaSAndroid Build Coastguard Worker testInvalidPath(r, "partial continued cubic", "S 6 7");
90*c8dee2aaSAndroid Build Coastguard Worker testInvalidPath(r, "partial quad", "Q 3 4 5");
91*c8dee2aaSAndroid Build Coastguard Worker testInvalidPath(r, "partial continued quad", "T");
92*c8dee2aaSAndroid Build Coastguard Worker testInvalidPath(r, "partial arc", "A 1 2 3 4 5 6");
93*c8dee2aaSAndroid Build Coastguard Worker testInvalidPath(r, "partial ~", "~ 7 6 5");
94*c8dee2aaSAndroid Build Coastguard Worker }
95*c8dee2aaSAndroid Build Coastguard Worker
DEF_TEST(ParsePathOptionalCommand,r)96*c8dee2aaSAndroid Build Coastguard Worker DEF_TEST(ParsePathOptionalCommand, r) {
97*c8dee2aaSAndroid Build Coastguard Worker struct {
98*c8dee2aaSAndroid Build Coastguard Worker const char* fStr;
99*c8dee2aaSAndroid Build Coastguard Worker int fVerbs;
100*c8dee2aaSAndroid Build Coastguard Worker int fPoints;
101*c8dee2aaSAndroid Build Coastguard Worker } gTests[] = {
102*c8dee2aaSAndroid Build Coastguard Worker { "", 0, 0 },
103*c8dee2aaSAndroid Build Coastguard Worker
104*c8dee2aaSAndroid Build Coastguard Worker { "H100 200 ", 3, 3 },
105*c8dee2aaSAndroid Build Coastguard Worker { "H-100-200", 3, 3 },
106*c8dee2aaSAndroid Build Coastguard Worker { "H+100+200", 3, 3 },
107*c8dee2aaSAndroid Build Coastguard Worker { "H.10.20" , 3, 3 },
108*c8dee2aaSAndroid Build Coastguard Worker { "H-.10-.20", 3, 3 },
109*c8dee2aaSAndroid Build Coastguard Worker { "H+.10+.20", 3, 3 },
110*c8dee2aaSAndroid Build Coastguard Worker
111*c8dee2aaSAndroid Build Coastguard Worker { "L100 100 200 200" , 3, 3 },
112*c8dee2aaSAndroid Build Coastguard Worker { "L-100-100-200-200", 3, 3 },
113*c8dee2aaSAndroid Build Coastguard Worker { "L+100+100+200+200", 3, 3 },
114*c8dee2aaSAndroid Build Coastguard Worker { "L.10.10.20.20" , 3, 3 },
115*c8dee2aaSAndroid Build Coastguard Worker { "L-.10-.10-.20-.20", 3, 3 },
116*c8dee2aaSAndroid Build Coastguard Worker { "L+.10+.10+.20+.20", 3, 3 },
117*c8dee2aaSAndroid Build Coastguard Worker
118*c8dee2aaSAndroid Build Coastguard Worker { "C100 100 200 200 300 300 400 400 500 500 600 600" , 3, 7 },
119*c8dee2aaSAndroid Build Coastguard Worker { "C100-100-200-200-300-300-400-400-500-500-600-600" , 3, 7 },
120*c8dee2aaSAndroid Build Coastguard Worker { "C100+100+200+200+300+300+400+400+500+500+600+600" , 3, 7 },
121*c8dee2aaSAndroid Build Coastguard Worker { "C.10.10.20.20.30.30.40.40.50.50.60.60" , 3, 7 },
122*c8dee2aaSAndroid Build Coastguard Worker { "C-.10-.10-.20-.20-.30-.30-.40-.40-.50-.50-.60-.60", 3, 7 },
123*c8dee2aaSAndroid Build Coastguard Worker { "C+.10+.10+.20+.20+.30+.30+.40+.40+.50+.50+.60+.60", 3, 7 },
124*c8dee2aaSAndroid Build Coastguard Worker
125*c8dee2aaSAndroid Build Coastguard Worker { "c-1.49.71-2.12 2.5-1.4 4 .71 1.49 2.5 2.12 4 1.4z", 4, 7 },
126*c8dee2aaSAndroid Build Coastguard Worker };
127*c8dee2aaSAndroid Build Coastguard Worker
128*c8dee2aaSAndroid Build Coastguard Worker SkPath path;
129*c8dee2aaSAndroid Build Coastguard Worker for (size_t i = 0; i < std::size(gTests); ++i) {
130*c8dee2aaSAndroid Build Coastguard Worker REPORTER_ASSERT(r, SkParsePath::FromSVGString(gTests[i].fStr, &path));
131*c8dee2aaSAndroid Build Coastguard Worker REPORTER_ASSERT(r, path.countVerbs() == gTests[i].fVerbs);
132*c8dee2aaSAndroid Build Coastguard Worker REPORTER_ASSERT(r, path.countPoints() == gTests[i].fPoints);
133*c8dee2aaSAndroid Build Coastguard Worker }
134*c8dee2aaSAndroid Build Coastguard Worker }
135*c8dee2aaSAndroid Build Coastguard Worker
DEF_TEST(ParsePathArcFlags,r)136*c8dee2aaSAndroid Build Coastguard Worker DEF_TEST(ParsePathArcFlags, r) {
137*c8dee2aaSAndroid Build Coastguard Worker const char* arcs = "M10 10a2.143 2.143 0 100-4.285 2.143 2.143 0 000 4.286";
138*c8dee2aaSAndroid Build Coastguard Worker SkPath path;
139*c8dee2aaSAndroid Build Coastguard Worker REPORTER_ASSERT(r, SkParsePath::FromSVGString(arcs, &path));
140*c8dee2aaSAndroid Build Coastguard Worker // Arcs decompose to two conics.
141*c8dee2aaSAndroid Build Coastguard Worker REPORTER_ASSERT(r, path.countVerbs() == 5);
142*c8dee2aaSAndroid Build Coastguard Worker // One for move, 2x per conic.
143*c8dee2aaSAndroid Build Coastguard Worker REPORTER_ASSERT(r, path.countPoints() == 9);
144*c8dee2aaSAndroid Build Coastguard Worker }
145