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1 /*
2  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Library General Public License for more details.
14  *
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
17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18  * Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef SVGMarkerElement_h
22 #define SVGMarkerElement_h
23 
24 #include "bindings/v8/ExceptionState.h"
25 #include "core/svg/SVGAnimatedAngle.h"
26 #include "core/svg/SVGAnimatedBoolean.h"
27 #include "core/svg/SVGAnimatedEnumeration.h"
28 #include "core/svg/SVGAnimatedLength.h"
29 #include "core/svg/SVGElement.h"
30 #include "core/svg/SVGFitToViewBox.h"
31 
32 namespace WebCore {
33 
34 enum SVGMarkerUnitsType {
35     SVGMarkerUnitsUnknown = 0,
36     SVGMarkerUnitsUserSpaceOnUse,
37     SVGMarkerUnitsStrokeWidth
38 };
39 template<> const SVGEnumerationStringEntries& getStaticStringEntries<SVGMarkerUnitsType>();
40 
41 class SVGMarkerElement FINAL : public SVGElement,
42                                public SVGFitToViewBox {
43 public:
44     // Forward declare enumerations in the W3C naming scheme, for IDL generation.
45     enum {
46         SVG_MARKERUNITS_UNKNOWN = SVGMarkerUnitsUnknown,
47         SVG_MARKERUNITS_USERSPACEONUSE = SVGMarkerUnitsUserSpaceOnUse,
48         SVG_MARKERUNITS_STROKEWIDTH = SVGMarkerUnitsStrokeWidth
49     };
50 
51     enum {
52         SVG_MARKER_ORIENT_UNKNOWN = SVGMarkerOrientUnknown,
53         SVG_MARKER_ORIENT_AUTO = SVGMarkerOrientAuto,
54         SVG_MARKER_ORIENT_ANGLE = SVGMarkerOrientAngle
55     };
56 
57     DECLARE_NODE_FACTORY(SVGMarkerElement);
58 
59     AffineTransform viewBoxToViewTransform(float viewWidth, float viewHeight) const;
60 
61     void setOrientToAuto();
62     void setOrientToAngle(PassRefPtr<SVGAngleTearOff>);
63 
refX()64     SVGAnimatedLength* refX() const { return m_refX.get(); }
refY()65     SVGAnimatedLength* refY() const { return m_refY.get(); }
markerWidth()66     SVGAnimatedLength* markerWidth() const { return m_markerWidth.get(); }
markerHeight()67     SVGAnimatedLength* markerHeight() const { return m_markerHeight.get(); }
markerUnits()68     SVGAnimatedEnumeration<SVGMarkerUnitsType>* markerUnits() { return m_markerUnits.get(); }
orientAngle()69     SVGAnimatedAngle* orientAngle() { return m_orientAngle.get(); }
orientType()70     SVGAnimatedEnumeration<SVGMarkerOrientType>* orientType() { return m_orientAngle->orientType(); }
71 
72 private:
73     explicit SVGMarkerElement(Document&);
74 
needsPendingResourceHandling()75     virtual bool needsPendingResourceHandling() const OVERRIDE { return false; }
76 
77     bool isSupportedAttribute(const QualifiedName&);
78     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
79     virtual void svgAttributeChanged(const QualifiedName&) OVERRIDE;
80     virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0) OVERRIDE;
81 
82     virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE;
rendererIsNeeded(const RenderStyle &)83     virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE { return true; }
84 
85     virtual bool selfHasRelativeLengths() const OVERRIDE;
86 
87     RefPtr<SVGAnimatedLength> m_refX;
88     RefPtr<SVGAnimatedLength> m_refY;
89     RefPtr<SVGAnimatedLength> m_markerWidth;
90     RefPtr<SVGAnimatedLength> m_markerHeight;
91     RefPtr<SVGAnimatedAngle> m_orientAngle;
92     RefPtr<SVGAnimatedEnumeration<SVGMarkerUnitsType> > m_markerUnits;
93 };
94 
95 }
96 
97 #endif
98