2 * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
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.
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.
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.
24 #include "bindings/v8/ExceptionMessages.h"
25 #include "bindings/v8/ExceptionStatePlaceholder.h"
26 #include "core/svg/SVGLengthContext.h"
27 #include "core/svg/properties/NewSVGProperty.h"
28 #include "heap/Handle.h"
32 class CSSPrimitiveValue;
36 enum SVGLengthNegativeValuesMode {
41 class SVGLengthTearOff;
43 class SVGLength FINAL : public NewSVGPropertyBase {
45 typedef SVGLengthTearOff TearOffType;
47 static PassRefPtr<SVGLength> create(SVGLengthMode mode = LengthModeOther)
49 return adoptRef(new SVGLength(mode));
52 PassRefPtr<SVGLength> clone() const;
53 virtual PassRefPtr<NewSVGPropertyBase> cloneForAnimation(const String&) const OVERRIDE;
55 SVGLengthType unitType() const { return static_cast<SVGLengthType>(m_unitType); }
56 void setUnitType(SVGLengthType);
57 SVGLengthMode unitMode() const { return static_cast<SVGLengthMode>(m_unitMode); }
59 bool operator==(const SVGLength&) const;
60 bool operator!=(const SVGLength& other) const { return !operator==(other); }
62 float value(const SVGLengthContext& context) const
64 return value(context, IGNORE_EXCEPTION);
66 float value(const SVGLengthContext&, ExceptionState&) const;
67 void setValue(float, const SVGLengthContext&, ExceptionState&);
69 float valueInSpecifiedUnits() const { return m_valueInSpecifiedUnits; }
70 void setValueInSpecifiedUnits(float value) { m_valueInSpecifiedUnits = value; }
72 float valueAsPercentage() const;
74 virtual String valueAsString() const OVERRIDE;
75 void setValueAsString(const String&, ExceptionState&);
77 void newValueSpecifiedUnits(SVGLengthType, float valueInSpecifiedUnits);
78 void convertToSpecifiedUnits(SVGLengthType, const SVGLengthContext&, ExceptionState&);
81 inline bool isRelative() const
83 return m_unitType == LengthTypePercentage
84 || m_unitType == LengthTypeEMS
85 || m_unitType == LengthTypeEXS;
90 return !m_valueInSpecifiedUnits;
93 static PassRefPtr<SVGLength> fromCSSPrimitiveValue(CSSPrimitiveValue*);
94 static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> toCSSPrimitiveValue(PassRefPtr<SVGLength>);
95 static SVGLengthMode lengthModeForAnimatedLengthAttribute(const QualifiedName&);
97 PassRefPtr<SVGLength> blend(PassRefPtr<SVGLength> from, float progress) const;
99 virtual void add(PassRefPtr<NewSVGPropertyBase>, SVGElement*) OVERRIDE;
100 virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtr<NewSVGPropertyBase> from, PassRefPtr<NewSVGPropertyBase> to, PassRefPtr<NewSVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement) OVERRIDE;
101 virtual float calculateDistance(PassRefPtr<NewSVGPropertyBase> to, SVGElement* contextElement) OVERRIDE;
103 static AnimatedPropertyType classType() { return AnimatedLength; }
106 SVGLength(SVGLengthMode);
107 SVGLength(const SVGLength&);
109 float m_valueInSpecifiedUnits;
110 unsigned m_unitMode : 2;
111 unsigned m_unitType : 4;
114 inline PassRefPtr<SVGLength> toSVGLength(PassRefPtr<NewSVGPropertyBase> passBase)
116 RefPtr<NewSVGPropertyBase> base = passBase;
117 ASSERT(base->type() == SVGLength::classType());
118 return static_pointer_cast<SVGLength>(base.release());
121 } // namespace WebCore
123 #endif // SVGLength_h