| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "include/core/SkPath.h" |
| #include "include/core/SkRect.h" |
| #include "include/core/SkScalar.h" |
| #include "include/core/SkString.h" |
| #include "include/utils/SkParsePath.h" |
| #include "tests/Test.h" |
| |
| #include <array> |
| #include <cstddef> |
| |
| static void test_to_from(skiatest::Reporter* reporter, const SkPath& path) { |
| SkString str = SkParsePath::ToSVGString(path); |
| |
| SkPath path2; |
| bool success = SkParsePath::FromSVGString(str.c_str(), &path2); |
| REPORTER_ASSERT(reporter, success); |
| |
| SkString str2 = SkParsePath::ToSVGString(path2); |
| REPORTER_ASSERT(reporter, str == str2); |
| #if 0 // closed paths are not equal, the iter explicitly gives the closing |
| // edge, even if it is not in the path. |
| REPORTER_ASSERT(reporter, path == path2); |
| if (path != path2) { |
| SkDebugf("str1=%s\nstr2=%s\n", str.c_str(), str2.c_str()); |
| } |
| #endif |
| } |
| |
| static struct { |
| const char* fStr; |
| const SkRect fBounds; |
| } gRec[] = { |
| { "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," |
| "0.42,3.8008,3.02,2.3384-3.48,1.574-1.29,3.601z", |
| { -5.39999962f, -10.3142f, 5.77000046f, 1.f } }, |
| { "", { 0, 0, 0, 0 } }, |
| { "M0,0L10,10", { 0, 0, SkIntToScalar(10), SkIntToScalar(10) } }, |
| { "M-5.5,-0.5 Q 0 0 6,6.50", |
| { -5.5f, -0.5f, |
| 6, 6.5f } } |
| }; |
| |
| DEF_TEST(ParsePath, reporter) { |
| for (size_t i = 0; i < std::size(gRec); i++) { |
| SkPath path; |
| bool success = SkParsePath::FromSVGString(gRec[i].fStr, &path); |
| REPORTER_ASSERT(reporter, success); |
| const SkRect& expectedBounds = gRec[i].fBounds; |
| const SkRect& pathBounds = path.getBounds(); |
| REPORTER_ASSERT(reporter, expectedBounds == pathBounds); |
| |
| test_to_from(reporter, path); |
| } |
| |
| SkRect r; |
| r.setLTRB(0, 0, 10, 10.5f); |
| SkPath p; |
| p.addRect(r); |
| test_to_from(reporter, p); |
| p.addOval(r); |
| test_to_from(reporter, p); |
| p.addRoundRect(r, 4, 4.5f); |
| test_to_from(reporter, p); |
| } |
| |
| DEF_TEST(ParsePath_invalid, r) { |
| SkPath path; |
| // This is an invalid SVG string, but the test verifies that we do not |
| // crash. |
| bool success = SkParsePath::FromSVGString("M 5", &path); |
| REPORTER_ASSERT(r, !success); |
| } |
| |
| DEF_TEST(ParsePathOptionalCommand, r) { |
| struct { |
| const char* fStr; |
| int fVerbs; |
| int fPoints; |
| } gTests[] = { |
| { "", 0, 0 }, |
| |
| { "H100 200 ", 3, 3 }, |
| { "H-100-200", 3, 3 }, |
| { "H+100+200", 3, 3 }, |
| { "H.10.20" , 3, 3 }, |
| { "H-.10-.20", 3, 3 }, |
| { "H+.10+.20", 3, 3 }, |
| |
| { "L100 100 200 200" , 3, 3 }, |
| { "L-100-100-200-200", 3, 3 }, |
| { "L+100+100+200+200", 3, 3 }, |
| { "L.10.10.20.20" , 3, 3 }, |
| { "L-.10-.10-.20-.20", 3, 3 }, |
| { "L+.10+.10+.20+.20", 3, 3 }, |
| |
| { "C100 100 200 200 300 300 400 400 500 500 600 600" , 3, 7 }, |
| { "C100-100-200-200-300-300-400-400-500-500-600-600" , 3, 7 }, |
| { "C100+100+200+200+300+300+400+400+500+500+600+600" , 3, 7 }, |
| { "C.10.10.20.20.30.30.40.40.50.50.60.60" , 3, 7 }, |
| { "C-.10-.10-.20-.20-.30-.30-.40-.40-.50-.50-.60-.60", 3, 7 }, |
| { "C+.10+.10+.20+.20+.30+.30+.40+.40+.50+.50+.60+.60", 3, 7 }, |
| |
| { "c-1.49.71-2.12 2.5-1.4 4 .71 1.49 2.5 2.12 4 1.4z", 4, 7 }, |
| }; |
| |
| SkPath path; |
| for (size_t i = 0; i < std::size(gTests); ++i) { |
| REPORTER_ASSERT(r, SkParsePath::FromSVGString(gTests[i].fStr, &path)); |
| REPORTER_ASSERT(r, path.countVerbs() == gTests[i].fVerbs); |
| REPORTER_ASSERT(r, path.countPoints() == gTests[i].fPoints); |
| } |
| } |
| |
| DEF_TEST(ParsePathArcFlags, r) { |
| const char* arcs = "M10 10a2.143 2.143 0 100-4.285 2.143 2.143 0 000 4.286"; |
| SkPath path; |
| REPORTER_ASSERT(r, SkParsePath::FromSVGString(arcs, &path)); |
| // Arcs decompose to two conics. |
| REPORTER_ASSERT(r, path.countVerbs() == 5); |
| // One for move, 2x per conic. |
| REPORTER_ASSERT(r, path.countPoints() == 9); |
| } |