libs/gnomecanvas/libgnomecanvas/gnome-canvas-rect-ellipse.h

   1 /*
   2  * Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation
   3  * All rights reserved.
   4  *
   5  * This file is part of the Gnome Library.
   6  *
   7  * The Gnome Library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Library General Public License as
   9  * published by the Free Software Foundation; either version 2 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * The Gnome Library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Library General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Library General Public
  18  * License along with the Gnome Library; see the file COPYING.LIB.  If not,
  19  * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20  * Boston, MA 02111-1307, USA.
  21  */
  22 /*
  23   @NOTATION@
  24  */
  25 /* Rectangle and ellipse item types for GnomeCanvas widget
  26  *
  27  * GnomeCanvas is basically a port of the Tk toolkit's most excellent canvas widget.  Tk is
  28  * copyrighted by the Regents of the University of California, Sun Microsystems, and other parties.
  29  *
  30  *
  31  * Author: Federico Mena <federico@nuclecu.unam.mx>
  32  */
  33
  34 #ifndef GNOME_CANVAS_RECT_ELLIPSE_H
  35 #define GNOME_CANVAS_RECT_ELLIPSE_H
  36
  37
  38 #include <libgnomecanvas/gnome-canvas.h>
  39
  40 #include <libgnomecanvas/gnome-canvas-shape.h>
  41
  42 #include <libart_lgpl/art_svp.h>
  43
  44 G_BEGIN_DECLS
  45
  46
  47 /* Base class for rectangle and ellipse item types.  These are defined by their top-left and
  48  * bottom-right corners.  Rectangles and ellipses share the following arguments:
  49  *
  50  * name                 type            read/write      description
  51  * ------------------------------------------------------------------------------------------
  52  * x1                   double          RW              Leftmost coordinate of rectangle or ellipse
  53  * y1                   double          RW              Topmost coordinate of rectangle or ellipse
  54  * x2                   double          RW              Rightmost coordinate of rectangle or ellipse
  55  * y2                   double          RW              Bottommost coordinate of rectangle or ellipse
  56  * fill_color           string          W               X color specification for fill color,
  57  *                                                      or NULL pointer for no color (transparent)
  58  * fill_color_gdk       GdkColor*       RW              Allocated GdkColor for fill
  59  * outline_color        string          W               X color specification for outline color,
  60  *                                                      or NULL pointer for no color (transparent)
  61  * outline_color_gdk    GdkColor*       RW              Allocated GdkColor for outline
  62  * fill_stipple         GdkBitmap*      RW              Stipple pattern for fill
  63  * outline_stipple      GdkBitmap*      RW              Stipple pattern for outline
  64  * width_pixels         uint            RW              Width of the outline in pixels.  The outline will
  65  *                                                      not be scaled when the canvas zoom factor is changed.
  66  * width_units          double          RW              Width of the outline in canvas units.  The outline
  67  *                                                      will be scaled when the canvas zoom factor is changed.
  68  */
  69
  70
  71 #define GNOME_TYPE_CANVAS_RE            (gnome_canvas_re_get_type ())
  72 #define GNOME_CANVAS_RE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GNOME_TYPE_CANVAS_RE, GnomeCanvasRE))
  73 #define GNOME_CANVAS_RE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GNOME_TYPE_CANVAS_RE, GnomeCanvasREClass))
  74 #define GNOME_IS_CANVAS_RE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GNOME_TYPE_CANVAS_RE))
  75 #define GNOME_IS_CANVAS_RE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GNOME_TYPE_CANVAS_RE))
  76 #define GNOME_CANVAS_RE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GNOME_TYPE_CANVAS_RE, GnomeCanvasREClass))
  77
  78
  79 typedef struct _GnomeCanvasRE      GnomeCanvasRE;
  80 typedef struct _GnomeCanvasREClass GnomeCanvasREClass;
  81
  82 struct _GnomeCanvasRE {
  83         GnomeCanvasShape item;
  84
  85         double x1, y1, x2, y2;          /* Corners of item */
  86
  87         unsigned int path_dirty : 1;
  88 };
  89
  90 struct _GnomeCanvasREClass {
  91         GnomeCanvasShapeClass parent_class;
  92 };
  93
  94
  95 /* Standard Gtk function */
  96 GType gnome_canvas_re_get_type (void) G_GNUC_CONST;
  97
  98
  99 /* Rectangle item.  No configurable or queryable arguments are available (use those in
 100  * GnomeCanvasRE).
 101  */
 102
 103
 104 #define GNOME_TYPE_CANVAS_RECT            (gnome_canvas_rect_get_type ())
 105 #define GNOME_CANVAS_RECT(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GNOME_TYPE_CANVAS_RECT, GnomeCanvasRect))
 106 #define GNOME_CANVAS_RECT_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GNOME_TYPE_CANVAS_RECT, GnomeCanvasRectClass))
 107 #define GNOME_IS_CANVAS_RECT(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GNOME_TYPE_CANVAS_RECT))
 108 #define GNOME_IS_CANVAS_RECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GNOME_TYPE_CANVAS_RECT))
 109 #define GNOME_CANVAS_RECT_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GNOME_TYPE_CANVAS_RECT, GnomeCanvasRectClass))
 110
 111
 112 typedef struct _GnomeCanvasRect GnomeCanvasRect;
 113 typedef struct _GnomeCanvasRectClass GnomeCanvasRectClass;
 114
 115 struct _GnomeCanvasRect {
 116         GnomeCanvasRE re;
 117 };
 118
 119 struct _GnomeCanvasRectClass {
 120         GnomeCanvasREClass parent_class;
 121 };
 122
 123
 124 /* Standard Gtk function */
 125 GType gnome_canvas_rect_get_type (void) G_GNUC_CONST;
 126
 127
 128 /* Ellipse item.  No configurable or queryable arguments are available (use those in
 129  * GnomeCanvasRE).
 130  */
 131
 132
 133 #define GNOME_TYPE_CANVAS_ELLIPSE            (gnome_canvas_ellipse_get_type ())
 134 #define GNOME_CANVAS_ELLIPSE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GNOME_TYPE_CANVAS_ELLIPSE, GnomeCanvasEllipse))
 135 #define GNOME_CANVAS_ELLIPSE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GNOME_TYPE_CANVAS_ELLIPSE, GnomeCanvasEllipseClass))
 136 #define GNOME_IS_CANVAS_ELLIPSE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GNOME_TYPE_CANVAS_ELLIPSE))
 137 #define GNOME_IS_CANVAS_ELLIPSE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GNOME_TYPE_CANVAS_ELLIPSE))
 138 #define GNOME_CANVAS_ELLIPSE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GNOME_TYPE_CANVAS_ELLIPSE, GnomeCanvasEllipseClass))
 139
 140
 141 typedef struct _GnomeCanvasEllipse GnomeCanvasEllipse;
 142 typedef struct _GnomeCanvasEllipseClass GnomeCanvasEllipseClass;
 143
 144 struct _GnomeCanvasEllipse {
 145         GnomeCanvasRE re;
 146 };
 147
 148 struct _GnomeCanvasEllipseClass {
 149         GnomeCanvasREClass parent_class;
 150 };
 151
 152
 153 /* Standard Gtk function */
 154 GType gnome_canvas_ellipse_get_type (void) G_GNUC_CONST;
 155
 156
 157 G_END_DECLS
 158
 159 #endif