1/* 2 * Copyright (C) 2014 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#ifndef SVGMatrixTearOff_h 32#define SVGMatrixTearOff_h 33 34#include "bindings/core/v8/ExceptionState.h" 35#include "bindings/core/v8/ScriptWrappable.h" 36#include "platform/transforms/AffineTransform.h" 37#include "wtf/RefCounted.h" 38 39namespace blink { 40 41class SVGTransformTearOff; 42 43// SVGMatrixTearOff wraps a AffineTransform for Javascript. 44// Its instance can either hold a static value, or this can be teared off from |SVGTransform.matrix|. 45// This does not derive from SVGPropertyTearOff, as its instances are never tied to an animated property nor an XML attribute. 46class SVGMatrixTearOff FINAL : public RefCounted<SVGMatrixTearOff>, public ScriptWrappable { 47 DEFINE_WRAPPERTYPEINFO(); 48public: 49 static PassRefPtr<SVGMatrixTearOff> create(const AffineTransform& value) 50 { 51 return adoptRef(new SVGMatrixTearOff(value)); 52 } 53 54 static PassRefPtr<SVGMatrixTearOff> create(SVGTransformTearOff* target) 55 { 56 return adoptRef(new SVGMatrixTearOff(target)); 57 } 58 59 ~SVGMatrixTearOff(); 60 61 double a() { return value().a(); } 62 double b() { return value().b(); } 63 double c() { return value().c(); } 64 double d() { return value().d(); } 65 double e() { return value().e(); } 66 double f() { return value().f(); } 67 68 void setA(double, ExceptionState&); 69 void setB(double, ExceptionState&); 70 void setC(double, ExceptionState&); 71 void setD(double, ExceptionState&); 72 void setE(double, ExceptionState&); 73 void setF(double, ExceptionState&); 74 75 PassRefPtr<SVGMatrixTearOff> translate(double tx, double ty); 76 PassRefPtr<SVGMatrixTearOff> scale(double); 77 PassRefPtr<SVGMatrixTearOff> scaleNonUniform(double sx, double sy); 78 PassRefPtr<SVGMatrixTearOff> rotate(double); 79 PassRefPtr<SVGMatrixTearOff> flipX(); 80 PassRefPtr<SVGMatrixTearOff> flipY(); 81 PassRefPtr<SVGMatrixTearOff> skewX(double); 82 PassRefPtr<SVGMatrixTearOff> skewY(double); 83 PassRefPtr<SVGMatrixTearOff> multiply(PassRefPtr<SVGMatrixTearOff>); 84 PassRefPtr<SVGMatrixTearOff> inverse(ExceptionState&); 85 PassRefPtr<SVGMatrixTearOff> rotateFromVector(double x, double y, ExceptionState&); 86 87 SVGTransformTearOff* contextTransform() { return m_contextTransform; } 88 89 const AffineTransform& value() const; 90 91private: 92 SVGMatrixTearOff(const AffineTransform&); 93 SVGMatrixTearOff(SVGTransformTearOff*); 94 95 AffineTransform* mutableValue(); 96 void commitChange(); 97 98 AffineTransform m_staticValue; 99 100 // FIXME: oilpan: This is raw-ptr to avoid reference cycles. Should be Member in oilpan. 101 SVGTransformTearOff* m_contextTransform; 102}; 103 104} // namespace blink 105 106#endif // SVGMatrixTearOff_h 107