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 8 #include "PathOpsQuadIntersectionTestData.h" 9 10 const SkDQuad quadraticPoints[] = { 11 {{{0, 0}, {1, 0}, {0, 0}}}, 12 {{{0, 0}, {0, 1}, {0, 0}}}, 13 {{{0, 0}, {1, 1}, {0, 0}}}, 14 {{{1, 1}, {2, 2}, {1, 1}}}, 15 }; 16 17 const size_t quadraticPoints_count = SK_ARRAY_COUNT(quadraticPoints); 18 19 const SkDQuad quadraticLines[] = { 20 {{{0, 0}, {0, 0}, {1, 0}}}, 21 {{{1, 0}, {0, 0}, {0, 0}}}, 22 {{{1, 0}, {2, 0}, {3, 0}}}, 23 {{{0, 0}, {0, 0}, {0, 1}}}, 24 {{{0, 1}, {0, 0}, {0, 0}}}, 25 {{{0, 1}, {0, 2}, {0, 3}}}, 26 {{{0, 0}, {0, 0}, {1, 1}}}, 27 {{{1, 1}, {0, 0}, {0, 0}}}, 28 {{{1, 1}, {2, 2}, {3, 3}}}, 29 {{{1, 1}, {3, 3}, {3, 3}}}, 30 {{{1, 1}, {1, 1}, {2, 2}}}, 31 {{{1, 1}, {1, 1}, {3, 3}}}, 32 {{{1, 1}, {2, 2}, {4, 4}}}, // no coincident 33 {{{1, 1}, {3, 3}, {4, 4}}}, 34 {{{1, 1}, {3, 3}, {2, 2}}}, 35 {{{1, 1}, {4, 4}, {2, 2}}}, 36 {{{1, 1}, {4, 4}, {3, 3}}}, 37 {{{2, 2}, {1, 1}, {3, 3}}}, 38 {{{2, 2}, {1, 1}, {4, 4}}}, 39 {{{2, 2}, {3, 3}, {1, 1}}}, 40 {{{2, 2}, {3, 3}, {4, 4}}}, 41 {{{2, 2}, {4, 4}, {1, 1}}}, 42 {{{2, 2}, {4, 4}, {3, 3}}}, 43 }; 44 45 const size_t quadraticLines_count = SK_ARRAY_COUNT(quadraticLines); 46 47 static const double F = FLT_EPSILON * 32; 48 static const double H = FLT_EPSILON * 32; 49 static const double J = FLT_EPSILON * 32; 50 static const double K = FLT_EPSILON * 32; // INVESTIGATE: why are larger multiples necessary? 51 52 const SkDQuad quadraticModEpsilonLines[] = { 53 {{{0, F}, {0, 0}, {1, 0}}}, 54 {{{0, 0}, {1, 0}, {0, F}}}, 55 {{{1, 0}, {0, F}, {0, 0}}}, 56 {{{1, H}, {2, 0}, {3, 0}}}, 57 // {{{F, 0}, {0, 0}, {0, 1}}}, // INVESTIGATE: even substituting K for F, quad is still linear. 58 // {{{0, 0}, {0, 1}, {F, 0}}}, 59 // {{{0, 1}, {F, 0}, {0, 0}}}, 60 // {{{H, 1}, {0, 2}, {0, 3}}}, 61 {{{0, F}, {0, 0}, {1, 1}}}, 62 {{{0, 0}, {1, 1}, {F, 0}}}, 63 {{{1, 1}, {F, 0}, {0, 0}}}, 64 {{{1, 1+J}, {2, 2}, {3, 3}}}, 65 {{{1, 1}, {3, 3}, {3+F, 3}}}, 66 {{{1, 1}, {1+F, 1}, {2, 2}}}, 67 {{{1, 1}, {2, 2}, {1, 1+K}}}, 68 {{{1, 1}, {1, 1+F}, {3, 3}}}, 69 {{{1+H, 1}, {2, 2}, {4, 4}}}, // no coincident 70 {{{1, 1+K}, {3, 3}, {4, 4}}}, 71 {{{1, 1}, {3+F, 3}, {2, 2}}}, 72 {{{1, 1}, {4, 4+F}, {2, 2}}}, 73 {{{1, 1}, {4, 4}, {3+F, 3}}}, 74 {{{2, 2}, {1, 1}, {3, 3+F}}}, 75 {{{2+F, 2}, {1, 1}, {4, 4}}}, 76 {{{2, 2+F}, {3, 3}, {1, 1}}}, 77 {{{2, 2}, {3+F, 3}, {4, 4}}}, 78 {{{2, 2}, {4, 4+F}, {1, 1}}}, 79 {{{2, 2}, {4, 4}, {3+F, 3}}}, 80 }; 81 82 const size_t quadraticModEpsilonLines_count = 83 SK_ARRAY_COUNT(quadraticModEpsilonLines); 84 85 const SkDQuad quadraticTests[][2] = { 86 { // one intersection 87 {{{0, 0}, 88 {0, 1}, 89 {1, 1}}}, 90 {{{0, 1}, 91 {0, 0}, 92 {1, 0}}} 93 }, 94 { // four intersections 95 {{{1, 0}, 96 {2, 6}, 97 {3, 0}}}, 98 {{{0, 1}, 99 {6, 2}, 100 {0, 3}}} 101 } 102 }; 103 104 const size_t quadraticTests_count = SK_ARRAY_COUNT(quadraticTests); 105