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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 #ifndef SkPathOpsPoint_DEFINED | 7 #ifndef SkPathOpsPoint_DEFINED |
8 #define SkPathOpsPoint_DEFINED | 8 #define SkPathOpsPoint_DEFINED |
9 | 9 |
10 #include "SkPathOpsTypes.h" | 10 #include "SkPathOpsTypes.h" |
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89 | 89 |
90 void operator-=(const SkDVector& v) { | 90 void operator-=(const SkDVector& v) { |
91 fX -= v.fX; | 91 fX -= v.fX; |
92 fY -= v.fY; | 92 fY -= v.fY; |
93 } | 93 } |
94 | 94 |
95 // note: this can not be implemented with | 95 // note: this can not be implemented with |
96 // return approximately_equal(a.fY, fY) && approximately_equal(a.fX, fX); | 96 // return approximately_equal(a.fY, fY) && approximately_equal(a.fX, fX); |
97 // because that will not take the magnitude of the values | 97 // because that will not take the magnitude of the values |
98 bool approximatelyEqual(const SkDPoint& a) const { | 98 bool approximatelyEqual(const SkDPoint& a) const { |
99 double denom = SkTMax<double>(fabs(fX), SkTMax<double>(fabs(fY), | 99 double denom = SkTMax(fabs(fX), SkTMax(fabs(fY), |
100 SkTMax<double>(fabs(a.fX), fabs(a.fY)))); | 100 SkTMax(fabs(a.fX), fabs(a.fY)))); |
101 if (denom == 0) { | 101 if (denom == 0) { |
102 return true; | 102 return true; |
103 } | 103 } |
104 double inv = 1 / denom; | 104 double inv = 1 / denom; |
105 return approximately_equal(fX * inv, a.fX * inv) | 105 return approximately_equal(fX * inv, a.fX * inv) |
106 && approximately_equal(fY * inv, a.fY * inv); | 106 && approximately_equal(fY * inv, a.fY * inv); |
107 } | 107 } |
108 | 108 |
109 bool approximatelyEqual(const SkPoint& a) const { | 109 bool approximatelyEqual(const SkPoint& a) const { |
110 double denom = SkTMax<double>(fabs(fX), SkTMax<double>(fabs(fY), | 110 double denom = SkTMax(fabs(fX), SkTMax(fabs(fY), |
111 SkScalarToDouble(SkTMax<SkScalar>(fabsf(a.fX), fabsf(a.fY))))); | 111 SkScalarToDouble(SkTMax(fabsf(a.fX), fabsf(a.fY))))); |
112 if (denom == 0) { | 112 if (denom == 0) { |
113 return true; | 113 return true; |
114 } | 114 } |
115 double inv = 1 / denom; | 115 double inv = 1 / denom; |
116 return approximately_equal(fX * inv, a.fX * inv) | 116 return approximately_equal(fX * inv, a.fX * inv) |
117 && approximately_equal(fY * inv, a.fY * inv); | 117 && approximately_equal(fY * inv, a.fY * inv); |
118 } | 118 } |
119 | 119 |
120 bool approximatelyEqualHalf(const SkDPoint& a) const { | 120 bool approximatelyEqualHalf(const SkDPoint& a) const { |
121 double denom = SkTMax<double>(fabs(fX), SkTMax<double>(fabs(fY), | 121 double denom = SkTMax(fabs(fX), SkTMax(fabs(fY), |
122 SkTMax<double>(fabs(a.fX), fabs(a.fY)))); | 122 SkTMax(fabs(a.fX), fabs(a.fY)))); |
123 if (denom == 0) { | 123 if (denom == 0) { |
124 return true; | 124 return true; |
125 } | 125 } |
126 double inv = 1 / denom; | 126 double inv = 1 / denom; |
127 return approximately_equal_half(fX * inv, a.fX * inv) | 127 return approximately_equal_half(fX * inv, a.fX * inv) |
128 && approximately_equal_half(fY * inv, a.fY * inv); | 128 && approximately_equal_half(fY * inv, a.fY * inv); |
129 } | 129 } |
130 | 130 |
131 bool approximatelyZero() const { | 131 bool approximatelyZero() const { |
132 return approximately_zero(fX) && approximately_zero(fY); | 132 return approximately_zero(fX) && approximately_zero(fY); |
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150 double moreRoughlyEqual(const SkDPoint& a) const { | 150 double moreRoughlyEqual(const SkDPoint& a) const { |
151 return more_roughly_equal(a.fY, fY) && more_roughly_equal(a.fX, fX); | 151 return more_roughly_equal(a.fY, fY) && more_roughly_equal(a.fX, fX); |
152 } | 152 } |
153 | 153 |
154 double roughlyEqual(const SkDPoint& a) const { | 154 double roughlyEqual(const SkDPoint& a) const { |
155 return roughly_equal(a.fY, fY) && roughly_equal(a.fX, fX); | 155 return roughly_equal(a.fY, fY) && roughly_equal(a.fX, fX); |
156 } | 156 } |
157 }; | 157 }; |
158 | 158 |
159 #endif | 159 #endif |
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