зеркало из https://github.com/mozilla/moz-skia.git
105 строки
2.9 KiB
C++
105 строки
2.9 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "PathOpsQuadIntersectionTestData.h"
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const SkDQuad quadraticPoints[] = {
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{{{0, 0}, {1, 0}, {0, 0}}},
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{{{0, 0}, {0, 1}, {0, 0}}},
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{{{0, 0}, {1, 1}, {0, 0}}},
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{{{1, 1}, {2, 2}, {1, 1}}},
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};
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const size_t quadraticPoints_count = SK_ARRAY_COUNT(quadraticPoints);
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const SkDQuad quadraticLines[] = {
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{{{0, 0}, {0, 0}, {1, 0}}},
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{{{1, 0}, {0, 0}, {0, 0}}},
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{{{1, 0}, {2, 0}, {3, 0}}},
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{{{0, 0}, {0, 0}, {0, 1}}},
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{{{0, 1}, {0, 0}, {0, 0}}},
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{{{0, 1}, {0, 2}, {0, 3}}},
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{{{0, 0}, {0, 0}, {1, 1}}},
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{{{1, 1}, {0, 0}, {0, 0}}},
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{{{1, 1}, {2, 2}, {3, 3}}},
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{{{1, 1}, {3, 3}, {3, 3}}},
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{{{1, 1}, {1, 1}, {2, 2}}},
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{{{1, 1}, {1, 1}, {3, 3}}},
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{{{1, 1}, {2, 2}, {4, 4}}}, // no coincident
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{{{1, 1}, {3, 3}, {4, 4}}},
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{{{1, 1}, {3, 3}, {2, 2}}},
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{{{1, 1}, {4, 4}, {2, 2}}},
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{{{1, 1}, {4, 4}, {3, 3}}},
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{{{2, 2}, {1, 1}, {3, 3}}},
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{{{2, 2}, {1, 1}, {4, 4}}},
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{{{2, 2}, {3, 3}, {1, 1}}},
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{{{2, 2}, {3, 3}, {4, 4}}},
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{{{2, 2}, {4, 4}, {1, 1}}},
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{{{2, 2}, {4, 4}, {3, 3}}},
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};
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const size_t quadraticLines_count = SK_ARRAY_COUNT(quadraticLines);
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static const double F = FLT_EPSILON * 3;
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static const double H = FLT_EPSILON * 4;
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static const double J = FLT_EPSILON * 5;
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static const double K = FLT_EPSILON * 8; // INVESTIGATE: why are larger multiples necessary?
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const SkDQuad quadraticModEpsilonLines[] = {
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{{{0, F}, {0, 0}, {1, 0}}},
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{{{0, 0}, {1, 0}, {0, F}}},
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{{{1, 0}, {0, F}, {0, 0}}},
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{{{1, H}, {2, 0}, {3, 0}}},
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// {{{F, 0}, {0, 0}, {0, 1}}}, // INVESTIGATE: even substituting K for F, quad is still linear.
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// {{{0, 0}, {0, 1}, {F, 0}}},
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// {{{0, 1}, {F, 0}, {0, 0}}},
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// {{{H, 1}, {0, 2}, {0, 3}}},
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{{{0, F}, {0, 0}, {1, 1}}},
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{{{0, 0}, {1, 1}, {F, 0}}},
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{{{1, 1}, {F, 0}, {0, 0}}},
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{{{1, 1+J}, {2, 2}, {3, 3}}},
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{{{1, 1}, {3, 3}, {3+F, 3}}},
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{{{1, 1}, {1+F, 1}, {2, 2}}},
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{{{1, 1}, {2, 2}, {1, 1+F}}},
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{{{1, 1}, {1, 1+F}, {3, 3}}},
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{{{1+H, 1}, {2, 2}, {4, 4}}}, // no coincident
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{{{1, 1+K}, {3, 3}, {4, 4}}},
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{{{1, 1}, {3+F, 3}, {2, 2}}},
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{{{1, 1}, {4, 4+F}, {2, 2}}},
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{{{1, 1}, {4, 4}, {3+F, 3}}},
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{{{2, 2}, {1, 1}, {3, 3+F}}},
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{{{2+F, 2}, {1, 1}, {4, 4}}},
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{{{2, 2+F}, {3, 3}, {1, 1}}},
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{{{2, 2}, {3+F, 3}, {4, 4}}},
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{{{2, 2}, {4, 4+F}, {1, 1}}},
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{{{2, 2}, {4, 4}, {3+F, 3}}},
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};
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const size_t quadraticModEpsilonLines_count =
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SK_ARRAY_COUNT(quadraticModEpsilonLines);
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const SkDQuad quadraticTests[][2] = {
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{ // one intersection
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{{{0, 0},
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{0, 1},
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{1, 1}}},
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{{{0, 1},
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{0, 0},
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{1, 0}}}
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},
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{ // four intersections
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{{{1, 0},
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{2, 6},
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{3, 0}}},
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{{{0, 1},
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{6, 2},
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{0, 3}}}
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}
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};
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const size_t quadraticTests_count = SK_ARRAY_COUNT(quadraticTests);
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