src/sp-lpe-item.h

   1 #ifndef SP_LPE_ITEM_H_SEEN
   2 #define SP_LPE_ITEM_H_SEEN
   3
   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  */
  16
  17 #include "sp-item.h"
  18
  19 #include <list>
  20
  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))
  26
  27 struct LivePathEffectObject;
  28 struct SPCurve;
  29
  30 namespace Inkscape{
  31 namespace Display {
  32     class TemporaryItem;
  33 }
  34 namespace LivePathEffect{
  35     class LPEObjectReference;
  36     class Effect;
  37 }
  38 }
  39
  40 typedef std::list<Inkscape::LivePathEffect::LPEObjectReference *> PathEffectList;
  41
  42 class SPLPEItem : public SPItem {
  43 public:
  44     int path_effects_enabled;
  45
  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
  48
  49     Inkscape::LivePathEffect::LPEObjectReference* current_path_effect;
  50     std::vector<Inkscape::Display::TemporaryItem*> lpe_helperpaths;
  51
  52     void replacePathEffects( std::vector<LivePathEffectObject const *> const old_lpeobjs,
  53                              std::vector<LivePathEffectObject const *> const new_lpeobjs );
  54 };
  55
  56 struct SPLPEItemClass {
  57     SPItemClass parent_class;
  58
  59     void (* update_patheffect) (SPLPEItem *lpeitem, bool write);
  60 };
  61
  62 GType sp_lpe_item_get_type();
  63
  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);
  84
  85 #endif /* !SP_LPE_ITEM_H_SEEN */
  86
  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 :