97 lines
3.8 KiB
C
97 lines
3.8 KiB
C
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#ifndef GNOME_CANVAS_PATH_DEF_H
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#define GNOME_CANVAS_PATH_DEF_H
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/*
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* GnomeCanvasPathDef
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*
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* (C) 1999-2000 Lauris Kaplinski <lauris@ximian.com>
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* Released under LGPL
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*
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* This is mostly like GnomeCanvasBpathDef, but with added functionality:
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* - can be constructed from scratch, from existing bpath of from static bpath
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* - Path is always terminated with ART_END
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* - Has closed flag
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* - has concat, split and copy methods
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*
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*/
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#include <glib-object.h>
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#include <libart_lgpl/art_bpath.h>
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G_BEGIN_DECLS
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typedef struct _GnomeCanvasPathDef GnomeCanvasPathDef;
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#define GNOME_TYPE_CANVAS_PATH_DEF (gnome_canvas_path_def_get_type ())
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GType gnome_canvas_path_def_get_type (void) G_GNUC_CONST;
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/* Constructors */
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GnomeCanvasPathDef * gnome_canvas_path_def_new (void);
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GnomeCanvasPathDef * gnome_canvas_path_def_new_sized (gint length);
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GnomeCanvasPathDef * gnome_canvas_path_def_new_from_bpath (ArtBpath * bpath);
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GnomeCanvasPathDef * gnome_canvas_path_def_new_from_static_bpath (ArtBpath * bpath);
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GnomeCanvasPathDef * gnome_canvas_path_def_new_from_foreign_bpath (ArtBpath * bpath);
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void gnome_canvas_path_def_ref (GnomeCanvasPathDef * path);
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void gnome_canvas_path_def_finish (GnomeCanvasPathDef * path);
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void gnome_canvas_path_def_ensure_space (GnomeCanvasPathDef * path, gint space);
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/*
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* Misc constructors
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* All these return NEW path, not unrefing old
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* Also copy and duplicate force bpath to be private (otherwise you
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* would use ref :)
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*/
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void gnome_canvas_path_def_copy (GnomeCanvasPathDef * dst, const GnomeCanvasPathDef * src);
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GnomeCanvasPathDef * gnome_canvas_path_def_duplicate (const GnomeCanvasPathDef * path);
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GnomeCanvasPathDef * gnome_canvas_path_def_concat (const GSList * list);
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GSList * gnome_canvas_path_def_split (const GnomeCanvasPathDef * path);
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GnomeCanvasPathDef * gnome_canvas_path_def_open_parts (const GnomeCanvasPathDef * path);
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GnomeCanvasPathDef * gnome_canvas_path_def_closed_parts (const GnomeCanvasPathDef * path);
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GnomeCanvasPathDef * gnome_canvas_path_def_close_all (const GnomeCanvasPathDef * path);
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/* Destructor */
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void gnome_canvas_path_def_unref (GnomeCanvasPathDef * path);
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/* Methods */
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/* Sets GnomeCanvasPathDef to zero length */
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void gnome_canvas_path_def_reset (GnomeCanvasPathDef * path);
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/* Drawing methods */
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void gnome_canvas_path_def_moveto (GnomeCanvasPathDef * path, gdouble x, gdouble y);
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void gnome_canvas_path_def_lineto (GnomeCanvasPathDef * path, gdouble x, gdouble y);
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/* Does not create new ArtBpath, but simply changes last lineto position */
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void gnome_canvas_path_def_lineto_moving (GnomeCanvasPathDef * path, gdouble x, gdouble y);
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void gnome_canvas_path_def_curveto (GnomeCanvasPathDef * path, gdouble x0, gdouble y0,gdouble x1, gdouble y1, gdouble x2, gdouble y2);
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void gnome_canvas_path_def_closepath (GnomeCanvasPathDef * path);
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/* Does not draw new line to startpoint, but moves last lineto */
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void gnome_canvas_path_def_closepath_current (GnomeCanvasPathDef * path);
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/* Various methods */
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ArtBpath * gnome_canvas_path_def_bpath (const GnomeCanvasPathDef * path);
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gint gnome_canvas_path_def_length (const GnomeCanvasPathDef * path);
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gboolean gnome_canvas_path_def_is_empty (const GnomeCanvasPathDef * path);
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gboolean gnome_canvas_path_def_has_currentpoint (const GnomeCanvasPathDef * path);
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void gnome_canvas_path_def_currentpoint (const GnomeCanvasPathDef * path, ArtPoint * p);
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ArtBpath * gnome_canvas_path_def_last_bpath (const GnomeCanvasPathDef * path);
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ArtBpath * gnome_canvas_path_def_first_bpath (const GnomeCanvasPathDef * path);
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gboolean gnome_canvas_path_def_any_open (const GnomeCanvasPathDef * path);
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gboolean gnome_canvas_path_def_all_open (const GnomeCanvasPathDef * path);
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gboolean gnome_canvas_path_def_any_closed (const GnomeCanvasPathDef * path);
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gboolean gnome_canvas_path_def_all_closed (const GnomeCanvasPathDef * path);
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G_END_DECLS
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#endif
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