~centralelyon2010/inkscape/imagelinks2

#ifndef SP_LPE_ITEM_H_SEEN

#define SP_LPE_ITEM_H_SEEN

/** \file

 * Base class for live path effect items

 */

/*

 * Authors:

 *   Johan Engelen <j.b.c.engelen@ewi.utwente.nl>

 *   Bastien Bouclet <bgkweb@gmail.com>

 *

 * Copyright (C) 2008 authors

 *

 * Released under GNU GPL, read the file 'COPYING' for more information

 */

#include "sp-item.h"

#include <list>

#define SP_TYPE_LPE_ITEM (sp_lpe_item_get_type())

#define SP_LPE_ITEM(o) (G_TYPE_CHECK_INSTANCE_CAST((o), SP_TYPE_LPE_ITEM, SPLPEItem))

#define SP_LPE_ITEM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SP_TYPE_LPE_ITEM, SPLPEItemClass))

#define SP_IS_LPE_ITEM(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), SP_TYPE_LPE_ITEM))

#define SP_IS_LPE_ITEM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SP_TYPE_LPE_ITEM))

struct LivePathEffectObject;

struct SPCurve;

namespace Inkscape{ 

namespace Display {

    class TemporaryItem;

}

namespace LivePathEffect{

    class LPEObjectReference;

    class Effect;

}

}

typedef std::list<Inkscape::LivePathEffect::LPEObjectReference *> PathEffectList;

class SPLPEItem : public SPItem {

public:

    int path_effects_enabled;

    PathEffectList* path_effect_list;

    std::list<sigc::connection> *lpe_modified_connection_list; // this list contains the connections for listening to lpeobject parameter changes

    Inkscape::LivePathEffect::LPEObjectReference* current_path_effect;

    std::vector<Inkscape::Display::TemporaryItem*> lpe_helperpaths;

    void replacePathEffects( std::vector<LivePathEffectObject const *> const old_lpeobjs,

                             std::vector<LivePathEffectObject const *> const new_lpeobjs );

};

struct SPLPEItemClass {

    SPItemClass parent_class;

    void (* update_patheffect) (SPLPEItem *lpeitem, bool write);

};

GType sp_lpe_item_get_type();

void sp_lpe_item_update_patheffect (SPLPEItem *lpeitem, bool wholetree, bool write);

bool sp_lpe_item_perform_path_effect(SPLPEItem *lpeitem, SPCurve *curve);

void sp_lpe_item_add_path_effect(SPLPEItem *lpeitem, gchar *value, bool reset);

void sp_lpe_item_add_path_effect(SPLPEItem *lpeitem, LivePathEffectObject * new_lpeobj);

bool sp_lpe_item_fork_path_effects_if_necessary(SPLPEItem *lpeitem, unsigned int nr_of_allowed_users = 1);

void sp_lpe_item_remove_all_path_effects(SPLPEItem *lpeitem, bool keep_paths);

void sp_lpe_item_remove_current_path_effect(SPLPEItem *lpeitem, bool keep_paths);

void sp_lpe_item_down_current_path_effect(SPLPEItem *lpeitem);

void sp_lpe_item_up_current_path_effect(SPLPEItem *lpeitem);

bool sp_lpe_item_has_path_effect(SPLPEItem *lpeitem);

bool sp_lpe_item_has_broken_path_effect(SPLPEItem *lpeitem);

bool sp_lpe_item_has_path_effect_recursive(SPLPEItem *lpeitem);

Inkscape::LivePathEffect::Effect* sp_lpe_item_has_path_effect_of_type(SPLPEItem *lpeitem, int type);

bool sp_lpe_item_can_accept_freehand_shape(SPLPEItem *lpeitem);

void sp_lpe_item_edit_next_param_oncanvas(SPLPEItem *lpeitem, SPDesktop *dt);

PathEffectList sp_lpe_item_get_effect_list(SPLPEItem *lpeitem);

Inkscape::LivePathEffect::LPEObjectReference* sp_lpe_item_get_current_lpereference(SPLPEItem *lpeitem);

Inkscape::LivePathEffect::Effect* sp_lpe_item_get_current_lpe(SPLPEItem *lpeitem);

bool sp_lpe_item_set_current_path_effect(SPLPEItem *lpeitem, Inkscape::LivePathEffect::LPEObjectReference* lperef);

bool sp_lpe_item_path_effects_enabled(SPLPEItem *lpeitem);

#endif /* !SP_LPE_ITEM_H_SEEN */

/*

  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:fileencoding=utf-8:textwidth=99 :