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1 /* | 1 /* |
2 * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. | 2 * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above | 8 * 1. Redistributions of source code must retain the above |
9 * copyright notice, this list of conditions and the following | 9 * copyright notice, this list of conditions and the following |
10 * disclaimer. | 10 * disclaimer. |
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22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | 25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
27 * OF THE POSSIBILITY OF SUCH DAMAGE. | 27 * OF THE POSSIBILITY OF SUCH DAMAGE. |
28 */ | 28 */ |
29 | 29 |
30 #include "platform/geometry/FloatPolygon.h" | 30 #include "platform/geometry/FloatPolygon.h" |
31 | 31 |
| 32 #include <memory> |
32 #include "wtf/MathExtras.h" | 33 #include "wtf/MathExtras.h" |
33 #include <memory> | |
34 | 34 |
35 namespace blink { | 35 namespace blink { |
36 | 36 |
37 static inline float determinant(const FloatSize& a, const FloatSize& b) { | 37 static inline float determinant(const FloatSize& a, const FloatSize& b) { |
38 return a.width() * b.height() - a.height() * b.width(); | 38 return a.width() * b.height() - a.height() * b.width(); |
39 } | 39 } |
40 | 40 |
41 static inline bool areCollinearPoints(const FloatPoint& p0, | 41 static inline bool areCollinearPoints(const FloatPoint& p0, |
42 const FloatPoint& p1, | 42 const FloatPoint& p1, |
43 const FloatPoint& p2) { | 43 const FloatPoint& p2) { |
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237 float uOtherLine = determinant(thisDelta, vertex1Delta) / denominator; | 237 float uOtherLine = determinant(thisDelta, vertex1Delta) / denominator; |
238 | 238 |
239 if (uThisLine < 0 || uOtherLine < 0 || uThisLine > 1 || uOtherLine > 1) | 239 if (uThisLine < 0 || uOtherLine < 0 || uThisLine > 1 || uOtherLine > 1) |
240 return false; | 240 return false; |
241 | 241 |
242 point = vertex1() + uThisLine * thisDelta; | 242 point = vertex1() + uThisLine * thisDelta; |
243 return true; | 243 return true; |
244 } | 244 } |
245 | 245 |
246 } // namespace blink | 246 } // namespace blink |
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