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#ifndef INKSCAPE_LIVEPATHEFFECT_PARAMETER_H
#define INKSCAPE_LIVEPATHEFFECT_PARAMETER_H
/*
* Inkscape::LivePathEffectParameters
*
* Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include <glibmm/ustring.h>
#include <2geom/point.h>
#include <2geom/path.h>
#include "ui/widget/registry.h"
#include "ui/widget/registered-widget.h"
namespace Gtk {
class Widget;
}
namespace Inkscape {
namespace LivePathEffect {
class Effect;
class Parameter {
public:
Parameter(const Glib::ustring& label, const Glib::ustring& tip, const Glib::ustring& key, Inkscape::UI::Widget::Registry* wr, Effect* effect);
virtual ~Parameter() {};
virtual bool param_readSVGValue(const gchar * strvalue) = 0; // returns true if new value is valid / accepted.
virtual gchar * param_writeSVGValue() const = 0;
// This returns pointer to the parameter's widget to be put in the live-effects dialog. Must also create the
// necessary widget if it does not exist yet.
virtual Gtk::Widget * param_getWidget() = 0;
virtual Glib::ustring * param_getTooltip() { return ¶m_tooltip; };
Glib::ustring param_key;
Inkscape::UI::Widget::Registry * param_wr;
Glib::ustring param_label;
protected:
Glib::ustring param_tooltip;
Effect* param_effect;
private:
Parameter(const Parameter&);
Parameter& operator=(const Parameter&);
};
class RealParam : public Parameter {
public:
RealParam( const Glib::ustring& label, const Glib::ustring& tip, const Glib::ustring& key,
Inkscape::UI::Widget::Registry* wr, Effect* effect, gdouble initial_value = 1.0);
~RealParam();
bool param_readSVGValue(const gchar * strvalue);
gchar * param_writeSVGValue() const;
Gtk::Widget * param_getWidget();
inline operator gdouble()
{ return value; };
private:
RealParam(const RealParam&);
RealParam& operator=(const RealParam&);
gdouble value;
Inkscape::UI::Widget::RegisteredScalar * rsu;
};
}; //namespace LivePathEffect
}; //namespace Inkscape
#endif
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