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1 /* | 1 /* |
2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | 2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
13 * | 13 * |
14 * You should have received a copy of the GNU Library General Public License | 14 * You should have received a copy of the GNU Library General Public License |
15 * along with this library; see the file COPYING.LIB. If not, write to | 15 * along with this library; see the file COPYING.LIB. If not, write to |
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
18 */ | 18 */ |
19 | 19 |
20 #ifndef SVGMarkerData_h | 20 #ifndef SVGMarkerData_h |
21 #define SVGMarkerData_h | 21 #define SVGMarkerData_h |
22 | 22 |
23 #include "platform/FloatConversion.h" | |
24 #include "platform/graphics/Path.h" | 23 #include "platform/graphics/Path.h" |
25 #include "wtf/Allocator.h" | 24 #include "wtf/Allocator.h" |
26 #include "wtf/MathExtras.h" | 25 #include "wtf/MathExtras.h" |
27 | 26 |
28 namespace blink { | 27 namespace blink { |
29 | 28 |
30 enum SVGMarkerType { | 29 enum SVGMarkerType { |
31 StartMarker, | 30 StartMarker, |
32 MidMarker, | 31 MidMarker, |
33 EndMarker | 32 EndMarker |
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104 FloatPoint inSlope(m_inslopePoints[1] - m_inslopePoints[0]); | 103 FloatPoint inSlope(m_inslopePoints[1] - m_inslopePoints[0]); |
105 FloatPoint outSlope(m_outslopePoints[1] - m_outslopePoints[0]); | 104 FloatPoint outSlope(m_outslopePoints[1] - m_outslopePoints[0]); |
106 | 105 |
107 double inAngle = rad2deg(inSlope.slopeAngleRadians()); | 106 double inAngle = rad2deg(inSlope.slopeAngleRadians()); |
108 double outAngle = rad2deg(outSlope.slopeAngleRadians()); | 107 double outAngle = rad2deg(outSlope.slopeAngleRadians()); |
109 | 108 |
110 switch (type) { | 109 switch (type) { |
111 case StartMarker: | 110 case StartMarker: |
112 if (m_autoStartReverse) | 111 if (m_autoStartReverse) |
113 outAngle += 180; | 112 outAngle += 180; |
114 return narrowPrecisionToFloat(outAngle); | 113 return clampTo<float>(outAngle); |
115 case MidMarker: | 114 case MidMarker: |
116 // WK193015: Prevent bugs due to angles being non-continuous. | 115 // WK193015: Prevent bugs due to angles being non-continuous. |
117 if (fabs(inAngle - outAngle) > 180) | 116 if (fabs(inAngle - outAngle) > 180) |
118 inAngle += 360; | 117 inAngle += 360; |
119 return narrowPrecisionToFloat((inAngle + outAngle) / 2); | 118 return clampTo<float>((inAngle + outAngle) / 2); |
120 case EndMarker: | 119 case EndMarker: |
121 return narrowPrecisionToFloat(inAngle); | 120 return clampTo<float>(inAngle); |
122 } | 121 } |
123 | 122 |
124 ASSERT_NOT_REACHED(); | 123 ASSERT_NOT_REACHED(); |
125 return 0; | 124 return 0; |
126 } | 125 } |
127 | 126 |
128 void updateOutslope(const FloatPoint& point) | 127 void updateOutslope(const FloatPoint& point) |
129 { | 128 { |
130 m_outslopePoints[0] = m_origin; | 129 m_outslopePoints[0] = m_origin; |
131 m_outslopePoints[1] = point; | 130 m_outslopePoints[1] = point; |
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170 FloatPoint m_origin; | 169 FloatPoint m_origin; |
171 FloatPoint m_subpathStart; | 170 FloatPoint m_subpathStart; |
172 FloatPoint m_inslopePoints[2]; | 171 FloatPoint m_inslopePoints[2]; |
173 FloatPoint m_outslopePoints[2]; | 172 FloatPoint m_outslopePoints[2]; |
174 bool m_autoStartReverse; | 173 bool m_autoStartReverse; |
175 }; | 174 }; |
176 | 175 |
177 } // namespace blink | 176 } // namespace blink |
178 | 177 |
179 #endif // SVGMarkerData_h | 178 #endif // SVGMarkerData_h |
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