third_party/WebKit/Source/core/svg/SVGMatrixTearOff.h

   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 "core/CoreExport.h"
  37 #include "platform/heap/Handle.h"
  38 #include "platform/transforms/AffineTransform.h"
  39 #include "wtf/RefCounted.h"
  40
  41 namespace blink {
  42
  43 class SVGTransformTearOff;
  44
  45 // SVGMatrixTearOff wraps a AffineTransform for Javascript.
  46 // Its instance can either hold a static value, or this can be teared off from |SVGTransform.matrix|.
  47 // This does not derive from SVGPropertyTearOff, as its instances are never tied to an animated property nor an XML attribute.
  48 class CORE_EXPORT SVGMatrixTearOff final : public RefCountedWillBeGarbageCollectedFinalized<SVGMatrixTearOff>, public ScriptWrappable {
  49     DEFINE_WRAPPERTYPEINFO();
  50 public:
  51     static PassRefPtrWillBeRawPtr<SVGMatrixTearOff> create(const AffineTransform& value)
  52     {
  53         return adoptRefWillBeNoop(new SVGMatrixTearOff(value));
  54     }
  55
  56     static PassRefPtrWillBeRawPtr<SVGMatrixTearOff> create(SVGTransformTearOff* target)
  57     {
  58         return adoptRefWillBeNoop(new SVGMatrixTearOff(target));
  59     }
  60
  61     ~SVGMatrixTearOff();
  62
  63     double a() { return value().a(); }
  64     double b() { return value().b(); }
  65     double c() { return value().c(); }
  66     double d() { return value().d(); }
  67     double e() { return value().e(); }
  68     double f() { return value().f(); }
  69
  70     void setA(double, ExceptionState&);
  71     void setB(double, ExceptionState&);
  72     void setC(double, ExceptionState&);
  73     void setD(double, ExceptionState&);
  74     void setE(double, ExceptionState&);
  75     void setF(double, ExceptionState&);
  76
  77     PassRefPtrWillBeRawPtr<SVGMatrixTearOff> translate(double tx, double ty);
  78     PassRefPtrWillBeRawPtr<SVGMatrixTearOff> scale(double);
  79     PassRefPtrWillBeRawPtr<SVGMatrixTearOff> scaleNonUniform(double sx, double sy);
  80     PassRefPtrWillBeRawPtr<SVGMatrixTearOff> rotate(double);
  81     PassRefPtrWillBeRawPtr<SVGMatrixTearOff> flipX();
  82     PassRefPtrWillBeRawPtr<SVGMatrixTearOff> flipY();
  83     PassRefPtrWillBeRawPtr<SVGMatrixTearOff> skewX(double);
  84     PassRefPtrWillBeRawPtr<SVGMatrixTearOff> skewY(double);
  85     PassRefPtrWillBeRawPtr<SVGMatrixTearOff> multiply(PassRefPtrWillBeRawPtr<SVGMatrixTearOff>);
  86     PassRefPtrWillBeRawPtr<SVGMatrixTearOff> inverse(ExceptionState&);
  87     PassRefPtrWillBeRawPtr<SVGMatrixTearOff> rotateFromVector(double x, double y, ExceptionState&);
  88
  89     SVGTransformTearOff* contextTransform() { return m_contextTransform; }
  90
  91     const AffineTransform& value() const;
  92
  93     DECLARE_VIRTUAL_TRACE();
  94
  95 private:
  96     explicit SVGMatrixTearOff(const AffineTransform&);
  97     explicit SVGMatrixTearOff(SVGTransformTearOff*);
  98
  99     AffineTransform* mutableValue();
 100     void commitChange();
 101
 102     AffineTransform m_staticValue;
 103
 104     RawPtrWillBeMember<SVGTransformTearOff> m_contextTransform;
 105 };
 106
 107 } // namespace blink
 108
 109 #endif // SVGMatrixTearOff_h