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| /*
| * 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);
|
|