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135 lines
3.5 KiB
135 lines
3.5 KiB
/*
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Copyright (C) 2001-2003 KSVG Team
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This file is part of the KDE project
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef SVGLengthImpl_H
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#define SVGLengthImpl_H
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#include <dom/dom_misc.h>
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#include "ksvg_lookup.h"
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namespace KSVG
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{
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enum LengthMode
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{
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LENGTHMODE_UNKNOWN = 0,
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LENGTHMODE_WIDTH = 1,
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LENGTHMODE_HEIGHT = 2,
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LENGTHMODE_OTHER = 3
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};
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class SVGShapeImpl;
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class SVGLocatableImpl;
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class SVGElementImpl;
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class SVGLengthImpl : public DOM::DomShared
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{
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public:
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SVGLengthImpl(LengthMode mode = LENGTHMODE_UNKNOWN, SVGElementImpl *context = 0);
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SVGLengthImpl(const SVGLengthImpl &);
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virtual ~SVGLengthImpl();
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SVGLengthImpl &operator=(const SVGLengthImpl &);
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unsigned short unitType() const;
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void setValue(float value);
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float value();
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void setValueInSpecifiedUnits(float valueInSpecifiedUnits);
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float valueInSpecifiedUnits() const;
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void setValueAsString(const DOM::DOMString &);
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DOM::DOMString valueAsString() const;
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void newValueSpecifiedUnits(unsigned short unitType, float valueInSpecifiedUnits);
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void convertToSpecifiedUnits(unsigned short unitType);
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operator float();
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static void convertPercentageToFloat(const TQString &perc, float &result);
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// This method converts the value val to percentage notation ("xxx%").
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// If the value string ends with the percentage sign it is returned,
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// else the value is calculated against benchmark, ie. "0.2" -> "20%"
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// for benchmark 1.0. This method should be useful in contexts that
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// know the values should be in percentages up front, like bbox
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// calculations.
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static TQString convertValToPercentage(const TQString &val, float benchmark = 1.0);
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SVGElementImpl *context() const;
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void setContext(SVGElementImpl *context);
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void setBBoxContext(SVGShapeImpl *bbox);
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private:
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float m_value;
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float m_valueInSpecifiedUnits;
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float percentageOfViewport();
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void convertStringToPx(TQString s);
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void convertNumToPx();
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bool getValFromPx();
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unsigned short m_unitType : 4;
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// KSVG extension
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LengthMode m_mode : 2;
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SVGElementImpl *m_context;
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SVGShapeImpl *m_bboxContext;
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double dpi();
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public:
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KSVG_GET
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KSVG_PUT
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enum
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{
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// Properties
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UnitType, Value, ValueAsString, ValueInSpecifiedUnits,
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// Functions
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NewValueSpecifiedUnits, ConvertToSpecifiedUnits
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};
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KJS::Value getValueProperty(KJS::ExecState *exec, int token) const;
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void putValueProperty(KJS::ExecState *exec, int token, const KJS::Value &value, int attr);
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};
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class SVGLengthImplConstructor : public KJS::ObjectImp
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{
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public:
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SVGLengthImplConstructor(KJS::ExecState *) { }
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KJS::Value getValueProperty(KJS::ExecState *, int token) const;
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// no put - all read-only
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KSVG_GET
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};
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KJS::Value getSVGLengthImplConstructor(KJS::ExecState *exec);
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}
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KSVG_DEFINE_PROTOTYPE(SVGLengthImplProto)
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KSVG_IMPLEMENT_PROTOFUNC(SVGLengthImplProtoFunc, SVGLengthImpl)
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#endif
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