/** @file * @brief LPE perspective path effect implementation */ /* Authors: * Maximilian Albert <maximilian.albert@gmail.com> * Johan Engelen <j.b.c.engelen@utwente.nl> * * Copyright (C) 2007 Authors * * Released under GNU GPL, read the file 'COPYING' for more information */ #ifndef INKSCAPE_LPE_PERSPECTIVE_PATH_H #define INKSCAPE_LPE_PERSPECTIVE_PATH_H #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 /* Local Variables: mode:c++ c-file-style:"stroustrup" c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) indent-tabs-mode:nil fill-column:99 End: */ // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :