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130 lines
3.6 KiB
130 lines
3.6 KiB
/* This file is part of the KDE project
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Copyright (C) 2002 - 2005, The Karbon Developers
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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 __VGRADIENT_H__
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#define __VGRADIENT_H__
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#include <tqptrlist.h>
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#include <tqptrvector.h>
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#include <koffice_export.h>
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#include <KoPoint.h>
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#include "vcolor.h"
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class TQDomElement;
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class KoGenStyle;
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class KoGenStyles;
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class KoStyleStack;
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class VObject;
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class VColorStop
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{
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public:
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VColorStop( double r, double m, VColor c )
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{ rampPoint = r; midPoint = m; color = c; };
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VColorStop( const VColorStop& colorStop )
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{ rampPoint = colorStop.rampPoint; midPoint = colorStop.midPoint; color = colorStop.color; };
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VColor color;
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// relative position of color point (0.0-1.0):
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float rampPoint;
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// relative position of midpoint (0.0-1.0)
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// between two ramp points. ignored for last VColorStop.
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float midPoint;
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friend inline bool operator== ( VColorStop& s1, VColorStop& s2 )
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{ return s1.rampPoint == s2.rampPoint; };
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}; // VColorStop
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class KARBONBASE_EXPORT VGradient
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{
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friend class VGradientWidget;
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public:
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enum VGradientType
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{
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linear = 0,
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radial = 1,
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conic = 2
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};
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enum VGradientRepeatMethod
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{
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none = 0,
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reflect = 1,
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repeat = 2
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};
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class VColorStopList : public TQPtrList<VColorStop>
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{
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protected:
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virtual int compareItems( TQPtrCollection::Item item1, TQPtrCollection::Item item2 );
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}; // VColorStopList
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VGradient( VGradientType type = linear );
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VGradient( const VGradient& gradient );
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VGradient& operator=(const VGradient& gradient);
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VGradientType type() const { return m_type; }
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void setType( VGradientType type ) { m_type = type; }
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VGradientRepeatMethod repeatMethod() const { return m_repeatMethod; }
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void setRepeatMethod( VGradientRepeatMethod repeatMethod ) { m_repeatMethod = repeatMethod; }
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const TQPtrVector<VColorStop> colorStops() const;
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void addStop( const VColorStop& colorStop );
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void addStop( const VColor &color, float rampPoint, float midPoint );
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void removeStop( const VColorStop& colorStop );
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void clearStops();
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KoPoint origin() const { return m_origin; }
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void setOrigin( const KoPoint &origin ) { m_origin = origin; }
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KoPoint focalPoint() const { return m_focalPoint; }
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void setFocalPoint( const KoPoint &focalPoint ) { m_focalPoint = focalPoint; }
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KoPoint vector() const { return m_vector; }
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void setVector( const KoPoint &vector ) { m_vector = vector; }
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void save( TQDomElement& element ) const;
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TQString saveOasis( KoGenStyles &mainStyles ) const;
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void load( const TQDomElement& element );
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void loadOasis( const TQDomElement &object, KoStyleStack &stack, VObject* parent = 0L );
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void transform( const TQWMatrix& m );
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protected:
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VColorStopList m_colorStops;
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private:
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VGradientType m_type : 2;
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VGradientRepeatMethod m_repeatMethod : 2;
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// coordinates:
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KoPoint m_origin;
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KoPoint m_focalPoint;
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KoPoint m_vector;
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}; // VGradient
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#endif /* __VGRADIENT_H__ */
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