7988ed22a6bf81810c5c789604278bcfd5ae999f
1 #ifndef INKSCAPE_LIVEPATHEFFECT_H
2 #define INKSCAPE_LIVEPATHEFFECT_H
4 /*
5 * Inkscape::LivePathEffect
6 *
7 * Copyright (C) Johan Engelen 2007-2008 <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"
19 #include "sp-lpe-item.h"
21 #define LPE_CONVERSION_TOLERANCE 0.01 // FIXME: find good solution for this.
23 #define LPE_ENABLE_TEST_EFFECTS
25 struct SPDocument;
26 struct SPDesktop;
27 struct SPItem;
28 class NArtBpath;
29 struct LivePathEffectObject;
31 namespace Gtk {
32 class Widget;
33 class VBox;
34 class Tooltips;
35 }
37 namespace Geom {
38 class Matrix;
39 }
41 namespace Inkscape {
43 namespace XML {
44 class Node;
45 }
47 namespace NodePath {
48 class Path ;
49 }
51 namespace LivePathEffect {
53 enum EffectType {
54 BEND_PATH = 0,
55 PATTERN_ALONG_PATH,
56 SKETCH,
57 VONKOCH,
58 KNOT,
59 #ifdef LPE_ENABLE_TEST_EFFECTS
60 SLANT,
61 DOEFFECTSTACK_TEST,
62 #endif
63 GEARS,
64 CURVE_STITCH,
65 CIRCLE_WITH_RADIUS,
66 PERSPECTIVE_PATH,
67 INVALID_LPE // This must be last
68 };
70 extern const Util::EnumData<EffectType> LPETypeData[INVALID_LPE];
71 extern const Util::EnumDataConverter<EffectType> LPETypeConverter;
73 class Parameter;
75 class Effect {
76 public:
77 static Effect* New(EffectType lpenr, LivePathEffectObject *lpeobj);
79 virtual ~Effect();
81 virtual void doBeforeEffect (SPLPEItem *lpeitem);
83 virtual void doEffect (SPCurve * curve);
85 virtual Gtk::Widget * newWidget(Gtk::Tooltips * tooltips);
87 virtual void resetDefaults(SPItem * item);
89 virtual void setup_nodepath(Inkscape::NodePath::Path *np);
91 virtual void transform_multiply(Geom::Matrix const& postmul, bool set);
93 Glib::ustring getName();
94 Inkscape::XML::Node * getRepr();
95 SPDocument * getSPDoc();
96 LivePathEffectObject * getLPEObj() {return lpeobj;};
97 Parameter * getParameter(const char * key);
99 void readallParameters(Inkscape::XML::Node * repr);
100 void setParameter(const gchar * key, const gchar * new_value);
102 void editNextParamOncanvas(SPItem * item, SPDesktop * desktop);
104 protected:
105 Effect(LivePathEffectObject *lpeobject);
107 // provide a set of doEffect functions so the developer has a choice
108 // of what kind of input/output parameters he desires.
109 // the order in which they appear is the order in which they are
110 // called by this base class. (i.e. doEffect(SPCurve * curve) defaults to calling
111 // doEffect(std::vector<Geom::Path> )
112 virtual NArtBpath *
113 doEffect_nartbpath (NArtBpath * path_in);
114 virtual std::vector<Geom::Path>
115 doEffect_path (std::vector<Geom::Path> const & path_in);
116 virtual Geom::Piecewise<Geom::D2<Geom::SBasis> >
117 doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in);
119 void registerParameter(Parameter * param);
120 Parameter * getNextOncanvasEditableParam();
122 std::vector<Parameter *> param_vector;
123 int oncanvasedit_it;
124 Inkscape::UI::Widget::Registry wr;
126 LivePathEffectObject *lpeobj;
128 // this boolean defaults to false, it concatenates the input path to one pwd2,
129 // instead of normally 'splitting' the path into continuous pwd2 paths.
130 bool concatenate_before_pwd2;
132 private:
133 Effect(const Effect&);
134 Effect& operator=(const Effect&);
135 };
138 } //namespace LivePathEffect
139 } //namespace Inkscape
141 #endif