1 #ifndef SP_LPE_ITEM_H_SEEN
2 #define SP_LPE_ITEM_H_SEEN
4 /** \file
5 * Base class for live path effect items
6 */
7 /*
8 * Authors:
9 * Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
10 * Bastien Bouclet <bgkweb@gmail.com>
11 *
12 * Copyright (C) 2008 authors
13 *
14 * Released under GNU GPL, read the file 'COPYING' for more information
15 */
17 #include "sp-item.h"
19 #include <list>
21 #define SP_TYPE_LPE_ITEM (sp_lpe_item_get_type())
22 #define SP_LPE_ITEM(o) (G_TYPE_CHECK_INSTANCE_CAST((o), SP_TYPE_LPE_ITEM, SPLPEItem))
23 #define SP_LPE_ITEM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SP_TYPE_LPE_ITEM, SPLPEItemClass))
24 #define SP_IS_LPE_ITEM(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), SP_TYPE_LPE_ITEM))
25 #define SP_IS_LPE_ITEM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SP_TYPE_LPE_ITEM))
27 struct LivePathEffectObject;
28 struct SPCurve;
30 namespace Inkscape{
31 namespace Display {
32 class TemporaryItem;
33 }
34 namespace LivePathEffect{
35 class LPEObjectReference;
36 class Effect;
37 }
38 }
40 typedef std::list<Inkscape::LivePathEffect::LPEObjectReference *> PathEffectList;
42 class SPLPEItem : public SPItem {
43 public:
44 int path_effects_enabled;
46 PathEffectList* path_effect_list;
47 std::list<sigc::connection> *lpe_modified_connection_list; // this list contains the connections for listening to lpeobject parameter changes
49 Inkscape::LivePathEffect::LPEObjectReference* current_path_effect;
50 std::vector<Inkscape::Display::TemporaryItem*> lpe_helperpaths;
52 void replacePathEffects( std::vector<LivePathEffectObject const *> const old_lpeobjs,
53 std::vector<LivePathEffectObject const *> const new_lpeobjs );
54 };
56 struct SPLPEItemClass {
57 SPItemClass parent_class;
59 void (* update_patheffect) (SPLPEItem *lpeitem, bool write);
60 };
62 GType sp_lpe_item_get_type();
64 void sp_lpe_item_update_patheffect (SPLPEItem *lpeitem, bool wholetree, bool write);
65 bool sp_lpe_item_perform_path_effect(SPLPEItem *lpeitem, SPCurve *curve);
66 void sp_lpe_item_add_path_effect(SPLPEItem *lpeitem, gchar *value, bool reset);
67 void sp_lpe_item_add_path_effect(SPLPEItem *lpeitem, LivePathEffectObject * new_lpeobj);
68 bool sp_lpe_item_fork_path_effects_if_necessary(SPLPEItem *lpeitem, unsigned int nr_of_allowed_users = 1);
69 void sp_lpe_item_remove_all_path_effects(SPLPEItem *lpeitem, bool keep_paths);
70 void sp_lpe_item_remove_current_path_effect(SPLPEItem *lpeitem, bool keep_paths);
71 void sp_lpe_item_down_current_path_effect(SPLPEItem *lpeitem);
72 void sp_lpe_item_up_current_path_effect(SPLPEItem *lpeitem);
73 bool sp_lpe_item_has_path_effect(SPLPEItem *lpeitem);
74 bool sp_lpe_item_has_broken_path_effect(SPLPEItem *lpeitem);
75 bool sp_lpe_item_has_path_effect_recursive(SPLPEItem *lpeitem);
76 Inkscape::LivePathEffect::Effect* sp_lpe_item_has_path_effect_of_type(SPLPEItem *lpeitem, int type);
77 bool sp_lpe_item_can_accept_freehand_shape(SPLPEItem *lpeitem);
78 void sp_lpe_item_edit_next_param_oncanvas(SPLPEItem *lpeitem, SPDesktop *dt);
79 PathEffectList sp_lpe_item_get_effect_list(SPLPEItem *lpeitem);
80 Inkscape::LivePathEffect::LPEObjectReference* sp_lpe_item_get_current_lpereference(SPLPEItem *lpeitem);
81 Inkscape::LivePathEffect::Effect* sp_lpe_item_get_current_lpe(SPLPEItem *lpeitem);
82 bool sp_lpe_item_set_current_path_effect(SPLPEItem *lpeitem, Inkscape::LivePathEffect::LPEObjectReference* lperef);
83 bool sp_lpe_item_path_effects_enabled(SPLPEItem *lpeitem);
85 #endif /* !SP_LPE_ITEM_H_SEEN */
87 /*
88 Local Variables:
89 mode:c++
90 c-file-style:"stroustrup"
91 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
92 indent-tabs-mode:nil
93 fill-column:99
94 End:
95 */
96 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :