1 #ifndef INKSCAPE_LIVEPATHEFFECT_H
2 #define INKSCAPE_LIVEPATHEFFECT_H
4 /*
5 * Inkscape::LivePathEffect
6 *
7 * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
8 *
9 * Released under GNU GPL, read the file 'COPYING' for more information
10 */
13 #include "display/display-forward.h"
14 #include <map>
15 #include <glibmm/ustring.h>
16 #include <2geom/path.h>
17 #include "ui/widget/registry.h"
18 #include "util/enums.h"
20 #define LPE_CONVERSION_TOLERANCE 0.01 // FIXME: find good solution for this.
22 //#define LPE_ENABLE_TEST_EFFECTS
24 struct SPDocument;
25 struct SPDesktop;
26 struct SPItem;
27 class NArtBpath;
28 struct LivePathEffectObject;
30 namespace Gtk {
31 class Widget;
32 class VBox;
33 class Tooltips;
34 }
36 namespace Inkscape {
38 namespace XML {
39 class Node;
40 }
42 namespace LivePathEffect {
44 enum EffectType {
45 PATH_ALONG_PATH = 0,
46 SKELETAL_STROKES,
47 #ifdef LPE_ENABLE_TEST_EFFECTS
48 SLANT,
49 DOEFFECTSTACK_TEST,
50 #endif
51 GEARS,
52 CURVE_STITCH,
53 INVALID_LPE // This must be last
54 };
56 extern const Util::EnumData<EffectType> LPETypeData[INVALID_LPE];
57 extern const Util::EnumDataConverter<EffectType> LPETypeConverter;
59 class Parameter;
61 class Effect {
62 public:
63 static Effect* New(EffectType lpenr, LivePathEffectObject *lpeobj);
65 virtual ~Effect();
67 virtual void doEffect (SPCurve * curve);
69 virtual Gtk::Widget * getWidget();
71 virtual void resetDefaults(SPItem * item);
73 Glib::ustring getName();
74 Inkscape::XML::Node * getRepr();
75 SPDocument * getSPDoc();
76 LivePathEffectObject * getLPEObj() {return lpeobj;};
78 void readallParameters(Inkscape::XML::Node * repr);
79 void setParameter(const gchar * key, const gchar * new_value);
81 void editNextParamOncanvas(SPItem * item, SPDesktop * desktop);
83 bool straight_original_path;
85 protected:
86 Effect(LivePathEffectObject *lpeobject);
88 // provide a set of doEffect functions so the developer has a choice
89 // of what kind of input/output parameters he desires.
90 // the order in which they appear is the order in which they are
91 // called by this base class. (i.e. doEffect(SPCurve * curve) defaults to calling
92 // doEffect(std::vector<Geom::Path> )
93 virtual NArtBpath *
94 doEffect (NArtBpath * path_in);
95 virtual std::vector<Geom::Path>
96 doEffect (std::vector<Geom::Path> & path_in);
97 virtual Geom::Piecewise<Geom::D2<Geom::SBasis> >
98 doEffect (Geom::Piecewise<Geom::D2<Geom::SBasis> > & pwd2_in);
100 void registerParameter(Parameter * param);
101 Parameter * getNextOncanvasEditableParam();
103 typedef std::map<Glib::ustring, Parameter *> param_map_type;
104 param_map_type param_map;
106 Inkscape::UI::Widget::Registry wr;
107 Gtk::VBox * vbox;
108 Gtk::Tooltips * tooltips;
110 LivePathEffectObject *lpeobj;
112 param_map_type::iterator oncanvasedit_it;
114 private:
115 Effect(const Effect&);
116 Effect& operator=(const Effect&);
117 };
120 } //namespace LivePathEffect
121 } //namespace Inkscape
123 #endif