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#ifndef INKSCAPE_LPE_PERSPECTIVE_PATH_H
#define INKSCAPE_LPE_PERSPECTIVE_PATH_H
/** \file
* LPE <perspective_path> implementation, see lpe-perspective_path.cpp.
*/
/*
* Authors:
* Johan Engelen
*
* Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "live_effects/effect.h"
#include "live_effects/parameter/parameter.h"
#include "live_effects/parameter/bool.h"
#include "live_effects/lpegroupbbox.h"
#include <vector>
#include "2geom/point.h"
namespace Inkscape {
namespace LivePathEffect {
namespace PP {
// we need a separate namespace to avoid clashes with other LPEs
class KnotHolderEntityOffset;
}
class LPEPerspectivePath : public Effect, GroupBBoxEffect {
public:
LPEPerspectivePath(LivePathEffectObject *lpeobject);
virtual ~LPEPerspectivePath();
virtual void doBeforeEffect (SPLPEItem *lpeitem);
virtual Geom::Piecewise<Geom::D2<Geom::SBasis> > doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in);
/* the knotholder entity classes must be declared friends */
friend class PP::KnotHolderEntityOffset;
private:
// add the parameters for your effect here:
ScalarParam scalex;
ScalarParam scaley;
// TODO: rewrite this using a PointParam instead of two ScalarParams
ScalarParam offsetx;
ScalarParam offsety;
BoolParam uses_plane_xy;
// there are all kinds of parameters. Check the /live_effects/parameter directory which types exist!
Geom::Point orig;
LPEPerspectivePath(const LPEPerspectivePath&);
LPEPerspectivePath& operator=(const LPEPerspectivePath&);
std::vector<Geom::Point> handles;
double tmat[3][4];
};
} //namespace LivePathEffect
} //namespace Inkscape
#endif
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