1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/*
* 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 SkDQuad 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 SkDQuad 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 SkDQuad 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 SkDQuad 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);
|
