1 files changed, 136 insertions, 0 deletions
diff --git a/ksvg/impl/SVGLengthImpl.h b/ksvg/impl/SVGLengthImpl.h
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+++ b/ksvg/impl/SVGLengthImpl.h
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+/*
+    Copyright (C) 2001-2003 KSVG Team
+    This file is part of the KDE project
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#ifndef SVGLengthImpl_H
+#define SVGLengthImpl_H
+
+#include <dom/dom_misc.h>
+
+#include "ksvg_lookup.h"
+
+namespace KSVG
+{
+
+enum LengthMode
+{
+	LENGTHMODE_UNKNOWN = 0,
+	LENGTHMODE_WIDTH = 1,
+	LENGTHMODE_HEIGHT = 2,
+	LENGTHMODE_OTHER = 3
+};
+
+class SVGShapeImpl;
+class SVGLocatableImpl;
+class SVGElementImpl;
+class SVGLengthImpl : public DOM::DomShared
+{
+public:
+	SVGLengthImpl(LengthMode mode = LENGTHMODE_UNKNOWN, SVGElementImpl *context = 0);
+	SVGLengthImpl(const SVGLengthImpl &);
+	virtual ~SVGLengthImpl();
+
+	SVGLengthImpl &operator=(const SVGLengthImpl &);
+
+	unsigned short unitType() const;
+
+	void setValue(float value);
+	float value();
+
+	void setValueInSpecifiedUnits(float valueInSpecifiedUnits);
+	float valueInSpecifiedUnits() const;
+
+	void setValueAsString(const DOM::DOMString &);
+	DOM::DOMString valueAsString() const;
+
+	void newValueSpecifiedUnits(unsigned short unitType, float valueInSpecifiedUnits);
+	void convertToSpecifiedUnits(unsigned short unitType);
+
+	operator float();
+
+	static void convertPercentageToFloat(const QString &perc, float &result);
+
+	// This method converts the value val to percentage notation ("xxx%").
+	//  If the value string ends with the percentage sign it is returned,
+	// else the value is calculated against benchmark, ie. "0.2" -> "20%"
+	// for benchmark 1.0. This method should be useful in contexts that
+	// know the values should be in percentages up front, like bbox
+	// calculations.
+	static QString convertValToPercentage(const QString &val, float benchmark = 1.0);
+
+	SVGElementImpl *context() const;
+	void setContext(SVGElementImpl *context);
+	void setBBoxContext(SVGShapeImpl *bbox);
+
+private:
+	float m_value;
+	float m_valueInSpecifiedUnits;
+
+	float percentageOfViewport();
+
+	void convertStringToPx(QString s);
+	void convertNumToPx();
+	bool getValFromPx();
+
+	unsigned short m_unitType : 4;
+
+	// KSVG extension
+	LengthMode m_mode : 2;
+	SVGElementImpl *m_context;
+	SVGShapeImpl *m_bboxContext;
+
+	double dpi();
+
+public:
+	KSVG_GET
+	KSVG_PUT
+
+	enum
+	{
+		// Properties
+		UnitType, Value, ValueAsString, ValueInSpecifiedUnits,
+		// Functions
+		NewValueSpecifiedUnits, ConvertToSpecifiedUnits
+	};
+
+	KJS::Value getValueProperty(KJS::ExecState *exec, int token) const;
+	void putValueProperty(KJS::ExecState *exec, int token, const KJS::Value &value, int attr);
+
+};
+
+class SVGLengthImplConstructor : public KJS::ObjectImp
+{
+public:
+	SVGLengthImplConstructor(KJS::ExecState *) { }
+	KJS::Value getValueProperty(KJS::ExecState *, int token) const;
+
+	// no put - all read-only
+	KSVG_GET
+};
+
+KJS::Value getSVGLengthImplConstructor(KJS::ExecState *exec);
+	
+}
+
+KSVG_DEFINE_PROTOTYPE(SVGLengthImplProto)
+KSVG_IMPLEMENT_PROTOFUNC(SVGLengthImplProtoFunc, SVGLengthImpl)
+
+#endif
+
+// vim:ts=4:noet