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livetrax/libs/libgnomecanvasmm/libgnomecanvasmm/path-def.h
Paul Davis 449aab3c46 rollback to 3428, before the mysterious removal of libs/* at 3431/3432
git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf
2008-06-02 21:41:35 +00:00

285 lines
9.2 KiB
C++

// -*- c++ -*-
// Generated by gtkmmproc -- DO NOT MODIFY!
#ifndef _LIBGNOMECANVASMM_PATH_DEF_H
#define _LIBGNOMECANVASMM_PATH_DEF_H
#include <glibmm.h>
/* $Id$ */
/* path-def.h
*
*
* Copyright (C) 2002 The libgnomecanvasmm Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <libgnomecanvasmm/point.h>
#include <glibmm/containers.h>
#include <libgnomecanvas/gnome-canvas-path-def.h>
#include <libart_lgpl/art_bpath.h>
#include <libart_lgpl/art_point.h>
#include <libart_lgpl/art_bpath.h>
namespace Gnome
{
namespace Canvas
{
class PathDef
{
public:
#ifndef DOXYGEN_SHOULD_SKIP_THIS
typedef PathDef CppObjectType;
typedef GnomeCanvasPathDef BaseObjectType;
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
static Glib::RefPtr<PathDef> create();
// For use with Glib::RefPtr<> only.
void reference() const;
void unreference() const;
///Provides access to the underlying C instance.
GnomeCanvasPathDef* gobj();
///Provides access to the underlying C instance.
const GnomeCanvasPathDef* gobj() const;
///Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
GnomeCanvasPathDef* gobj_copy() const;
protected:
// Do not derive this. Gnome::Canvas::PathDef can neither be constructed nor deleted.
PathDef();
void operator delete(void*, size_t);
private:
// noncopyable
PathDef(const PathDef&);
PathDef& operator=(const PathDef&);
public:
//gtkmmproc error: gnome_canvas_path_def_new : method defs lookup failed (1)
/** This funtion creates a new #gnome_canvas_path_def with @a length
* number of points allocated. It is useful, if you know the exact
* number of points in path, so you can avoid automatic point
* array reallocation.
* @param length Number of points to allocate for the path.
* @return The new canvas path definition.
*/
static Glib::RefPtr<PathDef> create(int length);
/** This function constructs a new #gnome_canvas_path_def and uses the
* passed @a bpath as the contents. The passed bpath should not be
* static as the path definition is editable when constructed with
* this function. Also, passed bpath will be freed with art_free, if
* path is destroyed, so use it with caution.
* For constructing a #gnome_canvas_path_def
* from (non-modifiable) bpath use
* #gnome_canvas_path_def_new_from_static_bpath.
* @param bpath Libart bezier path.
* @return The new canvas path definition that is populated with the
* passed bezier path, if the @a bpath is bad <tt>0</tt> is returned.
*/
static Glib::RefPtr<PathDef> create(ArtBpath& bpath);
//GnomeCanvasPathDef * gnome_canvas_path_def_new_from_static_bpath (ArtBpath * bpath);
//GnomeCanvasPathDef * gnome_canvas_path_def_new_from_foreign_bpath (ArtBpath * bpath);
//GnomeCanvasPathDef * gnome_canvas_path_def_concat (const GSList * list);
//GSList * gnome_canvas_path_def_split (const GnomeCanvasPathDef * path);
/** This function creates a new GnomeCanvasPathDef that contains all of
* the open segments on the passed @a path .
* @return A new GnomeCanvasPathDef that contains all of the open segemtns in @a path .
*/
Glib::RefPtr<PathDef> open_parts();
/** This function returns a new GnomeCanvasPathDef that contains the
* all of close parts of passed @a path .
* @return A new GnomeCanvasPathDef that contains all of the closed
* parts of passed @a path .
*/
Glib::RefPtr<PathDef> closed_parts();
/** This function closes all of the open segments in the passed path
* and returns a new GnomeCanvasPathDef.
* @return A GnomeCanvasPathDef that contains the contents of @a path
* but has modified the path is fully closed.
*/
Glib::RefPtr<PathDef> close_all();
/** Trims dynamic point array to exact length of path.
*/
void finish();
/** This function ensures that enough space for @a space points is
* allocated at the end of the path.
* @param space Number of points to guarantee are allocated at the end of
* the path.
*/
void ensure_space(int space);
/** This function clears the contents of the passed @a path .
*/
void reset();
/** This function adds starts new subpath on @a path , and sets its
* starting point to @a x and @a y . If current subpath is empty, it
* simply changes its starting coordinates to new values.
* @param x X coordinate.
* @param y Y coordinate.
*/
void moveto(double x, double y);
/** This function add a line segment to the passed @a path with the
* specified @a x and @a y coordinates.
* @param x X coordinate.
* @param y Y coordinate.
*/
void lineto(double x, double y);
/** This functions adds a new line segment with loose endpoint to the path, or
* if endpoint is already loose, changes its coordinates to @a x , @a y . You
* can change the coordinates of loose endpoint as many times as you want,
* the last ones set will be fixed, if you continue line. This is useful
* for handling drawing with mouse.
* @param x X coordinate.
* @param y Y coordinate.
*/
void lineto_moving(double x, double y);
/** This function adds a bezier curve segment to the path definition.
* @param x0 First control point x coordinate.
* @param y0 First control point y coordinate.
* @param x1 Second control point x coordinate.
* @param y1 Second control point y coordinate.
* @param x2 End of curve x coordinate.
* @param y2 End of curve y coordinate.
*/
void curveto(double x1, double y1, double x2, double y2, double x3, double y3);
/** This function closes the last subpath of @a path , adding a ART_LINETO to
* subpath starting point, if needed and changing starting pathcode to
* ART_MOVETO
*/
void closepath();
/** This function closes the last subpath by setting the coordinates of
* the endpoint of the last segment (line or curve) to starting point.
*/
void closepath_current();
Gnome::Art::Point currentpoint() const;
/** This function returns a ArtBpath that consists of the path
* definition.
* @return ArtBpath.
*/
ArtBpath* get_bpath() const;
/** This function returns the first ArtBpath point in the definition.
* @return ArtBpath being the first point in the path definition or
* null if no points are defined.
*/
ArtBpath* first_bpath() const;
/** This function returns pointer to the last ArtBpath segment in the path
* definition.
* @return ArtBpath, being the last segment in the path definition or
* null if no line segments have been defined.
*/
ArtBpath* last_bpath() const;
/** This function is a boolean test to see if the path is empty,
* meaning containing no line segments.
* @return Boolean, indicating if the path is empty.
*/
bool is_empty() const;
/** This function returns the length of the path definition. Not
* Euclidian length of the path but rather the number of points on the
* path.
* @return Integer, number of points on the path.
*/
int length() const;
/** This function is a boolean test checking to see if the path has a
* current point defined. Current point will be set by line operators,
* and cleared by closing subpath.
* @return Boolean, indicating if the path has a current point defined.
*/
bool has_currentpoint() const;
/** This function returns a boolean value indicating if the path has
* any open segments.
* @return Boolean, indicating if the path has any open segments.
*/
bool any_open() const;
/** This function returns a boolean value indicating if the path only
* contains open segments.
* @return Boolean, indicating if the path has all open segments.
*/
bool all_open() const;
/** This function returns a boolean valid indicating if the path has
* any closed segements.
* @return Boolean, indicating if the path has any closed segments.
*/
bool any_closed() const;
/** This function returns a boolean value indicating if the path only
* contains closed segments.
* @return Boolean, indicating if the path has all closed segments.
*/
bool all_closed() const;
};
} /* namespace Canvas */
} /* namespace Gnome */
namespace Glib
{
/** @relates Gnome::Canvas::PathDef
* @param object The C instance
* @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
* @result A C++ instance that wraps this C instance.
*/
Glib::RefPtr<Gnome::Canvas::PathDef> wrap(GnomeCanvasPathDef* object, bool take_copy = false);
} // namespace Glib
#endif /* _LIBGNOMECANVASMM_PATH_DEF_H */