/* * Copyright 2012 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "PathOpsQuadIntersectionTestData.h" const QuadPts quadraticPoints[] = { {{{0, 0}, {1, 0}, {0, 0}}}, {{{0, 0}, {0, 1}, {0, 0}}}, {{{0, 0}, {1, 1}, {0, 0}}}, {{{1, 1}, {2, 2}, {1, 1}}}, }; const size_t quadraticPoints_count = SK_ARRAY_COUNT(quadraticPoints); const QuadPts quadraticLines[] = { {{{0, 0}, {0, 0}, {1, 0}}}, {{{1, 0}, {0, 0}, {0, 0}}}, {{{1, 0}, {2, 0}, {3, 0}}}, {{{0, 0}, {0, 0}, {0, 1}}}, {{{0, 1}, {0, 0}, {0, 0}}}, {{{0, 1}, {0, 2}, {0, 3}}}, {{{0, 0}, {0, 0}, {1, 1}}}, {{{1, 1}, {0, 0}, {0, 0}}}, {{{1, 1}, {2, 2}, {3, 3}}}, {{{1, 1}, {3, 3}, {3, 3}}}, {{{1, 1}, {1, 1}, {2, 2}}}, {{{1, 1}, {1, 1}, {3, 3}}}, {{{1, 1}, {2, 2}, {4, 4}}}, // no coincident {{{1, 1}, {3, 3}, {4, 4}}}, {{{1, 1}, {3, 3}, {2, 2}}}, {{{1, 1}, {4, 4}, {2, 2}}}, {{{1, 1}, {4, 4}, {3, 3}}}, {{{2, 2}, {1, 1}, {3, 3}}}, {{{2, 2}, {1, 1}, {4, 4}}}, {{{2, 2}, {3, 3}, {1, 1}}}, {{{2, 2}, {3, 3}, {4, 4}}}, {{{2, 2}, {4, 4}, {1, 1}}}, {{{2, 2}, {4, 4}, {3, 3}}}, }; const size_t quadraticLines_count = SK_ARRAY_COUNT(quadraticLines); static const double F = FLT_EPSILON * 32; static const double H = FLT_EPSILON * 32; static const double J = FLT_EPSILON * 32; static const double K = FLT_EPSILON * 32; // INVESTIGATE: why are larger multiples necessary? const QuadPts quadraticModEpsilonLines[] = { {{{0, F}, {0, 0}, {1, 0}}}, {{{0, 0}, {1, 0}, {0, F}}}, {{{1, 0}, {0, F}, {0, 0}}}, {{{1, H}, {2, 0}, {3, 0}}}, // {{{F, 0}, {0, 0}, {0, 1}}}, // INVESTIGATE: even substituting K for F, quad is still linear. // {{{0, 0}, {0, 1}, {F, 0}}}, // {{{0, 1}, {F, 0}, {0, 0}}}, // {{{H, 1}, {0, 2}, {0, 3}}}, {{{0, F}, {0, 0}, {1, 1}}}, {{{0, 0}, {1, 1}, {F, 0}}}, {{{1, 1}, {F, 0}, {0, 0}}}, {{{1, 1+J}, {2, 2}, {3, 3}}}, {{{1, 1}, {3, 3}, {3+F, 3}}}, {{{1, 1}, {1+F, 1}, {2, 2}}}, {{{1, 1}, {2, 2}, {1, 1+K}}}, {{{1, 1}, {1, 1+F}, {3, 3}}}, {{{1+H, 1}, {2, 2}, {4, 4}}}, // no coincident {{{1, 1+K}, {3, 3}, {4, 4}}}, {{{1, 1}, {3+F, 3}, {2, 2}}}, {{{1, 1}, {4, 4+F}, {2, 2}}}, {{{1, 1}, {4, 4}, {3+F, 3}}}, {{{2, 2}, {1, 1}, {3, 3+F}}}, {{{2+F, 2}, {1, 1}, {4, 4}}}, {{{2, 2+F}, {3, 3}, {1, 1}}}, {{{2, 2}, {3+F, 3}, {4, 4}}}, {{{2, 2}, {4, 4+F}, {1, 1}}}, {{{2, 2}, {4, 4}, {3+F, 3}}}, }; const size_t quadraticModEpsilonLines_count = SK_ARRAY_COUNT(quadraticModEpsilonLines); const QuadPts quadraticTests[][2] = { { // one intersection {{{0, 0}, {0, 1}, {1, 1}}}, {{{0, 1}, {0, 0}, {1, 0}}} }, { // four intersections {{{1, 0}, {2, 6}, {3, 0}}}, {{{0, 1}, {6, 2}, {0, 3}}} } }; const size_t quadraticTests_count = SK_ARRAY_COUNT(quadraticTests);