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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org> |
3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> | 3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> |
4 * | 4 * |
5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
9 * | 9 * |
10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 * Library General Public License for more details. | 13 * Library General Public License for more details. |
14 * | 14 * |
15 * You should have received a copy of the GNU Library General Public License | 15 * You should have received a copy of the GNU Library General Public License |
16 * along with this library; see the file COPYING.LIB. If not, write to | 16 * along with this library; see the file COPYING.LIB. If not, write to |
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
18 * Boston, MA 02110-1301, USA. | 18 * Boston, MA 02110-1301, USA. |
19 */ | 19 */ |
20 | 20 |
21 #include "core/svg/SVGTransform.h" | 21 #include "core/svg/SVGTransform.h" |
22 | 22 |
23 #include "platform/FloatConversion.h" | |
24 #include "platform/geometry/FloatSize.h" | 23 #include "platform/geometry/FloatSize.h" |
25 #include "wtf/MathExtras.h" | 24 #include "wtf/MathExtras.h" |
26 #include "wtf/text/StringBuilder.h" | 25 #include "wtf/text/StringBuilder.h" |
27 | 26 |
28 namespace blink { | 27 namespace blink { |
29 | 28 |
30 SVGTransform::SVGTransform() | 29 SVGTransform::SVGTransform() |
31 : m_transformType(kSvgTransformUnknown) | 30 : m_transformType(kSvgTransformUnknown) |
32 , m_angle(0) | 31 , m_angle(0) |
33 { | 32 { |
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195 arguments[argumentCount++] = m_matrix.a(); | 194 arguments[argumentCount++] = m_matrix.a(); |
196 arguments[argumentCount++] = m_matrix.d(); | 195 arguments[argumentCount++] = m_matrix.d(); |
197 break; | 196 break; |
198 } | 197 } |
199 case kSvgTransformRotate: { | 198 case kSvgTransformRotate: { |
200 arguments[argumentCount++] = m_angle; | 199 arguments[argumentCount++] = m_angle; |
201 | 200 |
202 double angleInRad = deg2rad(m_angle); | 201 double angleInRad = deg2rad(m_angle); |
203 double cosAngle = cos(angleInRad); | 202 double cosAngle = cos(angleInRad); |
204 double sinAngle = sin(angleInRad); | 203 double sinAngle = sin(angleInRad); |
205 float cx = narrowPrecisionToFloat(cosAngle != 1 ? (m_matrix.e() * (1 - c
osAngle) - m_matrix.f() * sinAngle) / (1 - cosAngle) / 2 : 0); | 204 float cx = clampTo<float>(cosAngle != 1 ? (m_matrix.e() * (1 - cosAngle)
- m_matrix.f() * sinAngle) / (1 - cosAngle) / 2 : 0); |
206 float cy = narrowPrecisionToFloat(cosAngle != 1 ? (m_matrix.e() * sinAng
le / (1 - cosAngle) + m_matrix.f()) / 2 : 0); | 205 float cy = clampTo<float>(cosAngle != 1 ? (m_matrix.e() * sinAngle / (1
- cosAngle) + m_matrix.f()) / 2 : 0); |
207 if (cx || cy) { | 206 if (cx || cy) { |
208 arguments[argumentCount++] = cx; | 207 arguments[argumentCount++] = cx; |
209 arguments[argumentCount++] = cy; | 208 arguments[argumentCount++] = cy; |
210 } | 209 } |
211 break; | 210 break; |
212 } | 211 } |
213 case kSvgTransformSkewx: | 212 case kSvgTransformSkewx: |
214 arguments[argumentCount++] = m_angle; | 213 arguments[argumentCount++] = m_angle; |
215 break; | 214 break; |
216 case kSvgTransformSkewy: | 215 case kSvgTransformSkewy: |
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245 | 244 |
246 float SVGTransform::calculateDistance(SVGPropertyBase*, SVGElement*) | 245 float SVGTransform::calculateDistance(SVGPropertyBase*, SVGElement*) |
247 { | 246 { |
248 // SVGTransform is not animated by itself. | 247 // SVGTransform is not animated by itself. |
249 ASSERT_NOT_REACHED(); | 248 ASSERT_NOT_REACHED(); |
250 | 249 |
251 return -1; | 250 return -1; |
252 } | 251 } |
253 | 252 |
254 } // namespace blink | 253 } // namespace blink |
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