1 /* 2 * Copyright 2012 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 #include "PathOpsTestCommon.h" 8 #include "SkPathOpsLine.h" 9 #include "Test.h" 10 11 static const SkDLine tests[] = { 12 {{{2, 1}, {2, 1}}}, 13 {{{2, 1}, {1, 1}}}, 14 {{{2, 1}, {2, 2}}}, 15 {{{1, 1}, {2, 2}}}, 16 {{{3, 0}, {2, 1}}}, 17 {{{3, 2}, {1, 1}}}, 18 }; 19 20 static const SkDPoint left[] = { 21 {2, 1}, 22 {1, 0}, 23 {1, 1}, 24 {1, 2}, 25 {2, 0}, 26 {2, 1} 27 }; 28 29 static const size_t tests_count = SK_ARRAY_COUNT(tests); 30 31 static void PathOpsLineUtilitiesTest(skiatest::Reporter* reporter) { 32 for (size_t index = 0; index < tests_count; ++index) { 33 const SkDLine& line = tests[index]; 34 SkASSERT(ValidLine(line)); 35 SkDLine line2; 36 SkPoint pts[2] = {line[0].asSkPoint(), line[1].asSkPoint()}; 37 line2.set(pts); 38 REPORTER_ASSERT(reporter, line[0] == line2[0] && line[1] == line2[1]); 39 const SkDPoint& pt = left[index]; 40 SkASSERT(ValidPoint(pt)); 41 double result = line.isLeft(pt); 42 if ((result <= 0 && index >= 1) || (result < 0 && index == 0)) { 43 SkDebugf("%s [%d] expected left\n", __FUNCTION__, index); 44 REPORTER_ASSERT(reporter, 0); 45 } 46 line2 = line.subDivide(1, 0); 47 REPORTER_ASSERT(reporter, line[0] == line2[1] && line[1] == line2[0]); 48 line2 = SkDLine::SubDivide(pts, 1, 0); 49 REPORTER_ASSERT(reporter, line[0] == line2[1] && line[1] == line2[0]); 50 SkDPoint mid = line.ptAtT(.5); 51 REPORTER_ASSERT(reporter, approximately_equal((line[0].fX + line[1].fX) / 2, mid.fX)); 52 REPORTER_ASSERT(reporter, approximately_equal((line[0].fY + line[1].fY) / 2, mid.fY)); 53 } 54 } 55 56 #include "TestClassDef.h" 57 DEFINE_TESTCLASS_SHORT(PathOpsLineUtilitiesTest) 58
