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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "core/geometry/DOMQuad.h" | |
| 6 | |
| 7 #include "bindings/core/v8/V8ObjectBuilder.h" | |
| 8 #include "core/geometry/DOMPoint.h" | |
| 9 #include "core/geometry/DOMQuadInit.h" | |
| 10 #include "core/geometry/DOMRect.h" | |
| 11 #include "core/geometry/DOMRectInit.h" | |
| 12 | |
| 13 namespace blink { | |
| 14 | |
| 15 DOMQuad* DOMQuad::create(const DOMPointInit& p1, | |
| 16 const DOMPointInit& p2, | |
| 17 const DOMPointInit& p3, | |
| 18 const DOMPointInit& p4) { | |
| 19 return new DOMQuad(p1, p2, p3, p4); | |
| 20 } | |
| 21 | |
| 22 DOMQuad* DOMQuad::fromRect(const DOMRectInit& other) { | |
| 23 return new DOMQuad(other.x(), other.y(), other.width(), other.height()); | |
| 24 } | |
| 25 | |
| 26 DOMQuad* DOMQuad::fromQuad(const DOMQuadInit& other) { | |
| 27 return new DOMQuad(other.hasP1() ? other.p1() : DOMPointInit(), | |
| 28 other.hasP2() ? other.p2() : DOMPointInit(), | |
| 29 other.hasP3() ? other.p3() : DOMPointInit(), | |
| 30 other.hasP3() ? other.p4() : DOMPointInit()); | |
| 31 } | |
| 32 | |
| 33 DOMRect* DOMQuad::getBounds() { | |
| 34 return DOMRect::create(m_left, m_top, m_right - m_left, m_bottom - m_top); | |
| 35 } | |
| 36 | |
| 37 void DOMQuad::calculateBounds() { | |
| 38 m_left = std::min(p1()->x(), p2()->x()); | |
| 39 m_left = std::min(m_left, p3()->x()); | |
| 40 m_left = std::min(m_left, p4()->x()); | |
| 41 m_top = std::min(p1()->y(), p2()->y()); | |
| 42 m_top = std::min(m_top, p3()->y()); | |
| 43 m_top = std::min(m_top, p4()->y()); | |
| 44 m_right = std::max(p1()->x(), p2()->x()); | |
| 45 m_right = std::max(m_right, p3()->x()); | |
| 46 m_right = std::max(m_right, p4()->x()); | |
| 47 m_bottom = std::max(p1()->y(), p2()->y()); | |
| 48 m_bottom = std::max(m_bottom, p3()->y()); | |
| 49 m_bottom = std::max(m_bottom, p4()->y()); | |
| 50 } | |
| 51 | |
| 52 DOMQuad::DOMQuad(const DOMPointInit& p1, | |
| 53 const DOMPointInit& p2, | |
| 54 const DOMPointInit& p3, | |
| 55 const DOMPointInit& p4) | |
| 56 : m_p1(DOMPoint::fromPoint(p1)), | |
| 57 m_p2(DOMPoint::fromPoint(p2)), | |
| 58 m_p3(DOMPoint::fromPoint(p3)), | |
| 59 m_p4(DOMPoint::fromPoint(p4)) { | |
| 60 calculateBounds(); | |
| 61 } | |
| 62 | |
| 63 DOMQuad::DOMQuad(double x, double y, double width, double height) | |
| 64 : m_p1(DOMPoint::create(x, y, 0, 1)), | |
| 65 m_p2(DOMPoint::create(x + width, y, 0, 1)), | |
| 66 m_p3(DOMPoint::create(x + width, y + height, 0, 1)), | |
| 67 m_p4(DOMPoint::create(x, y + height, 0, 1)) { | |
| 68 calculateBounds(); | |
| 69 } | |
| 70 | |
| 71 ScriptValue DOMQuad::toJSONForBinding(ScriptState* scriptState) const { | |
| 72 V8ObjectBuilder result(scriptState); | |
| 73 result.add("p1", p1()); | |
| 74 result.add("p2", p2()); | |
| 75 result.add("p3", p3()); | |
| 76 result.add("p4", p4()); | |
| 77 return result.scriptValue(); | |
| 78 } | |
| 79 | |
| 80 } // namespace blink | |
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