gtk2_ardour/canvas-simpleline.h

   1 /* libgnomecanvas/gnome-canvas-simpleline.h: GnomeCanvas item for simple rects
   2  *
   3  * Copyright (C) 2001 Paul Davis <pbd@op.net>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  *
  20  */
  21
  22 #ifndef __GNOME_CANVAS_SIMPLELINE_H__
  23 #define __GNOME_CANVAS_SIMPLELINE_H__
  24
  25 #include <stdint.h>
  26
  27 #include <libgnomecanvas/libgnomecanvas.h>
  28
  29 G_BEGIN_DECLS
  30
  31 /* Wave viewer item for canvas.
  32  */
  33
  34 #define GNOME_TYPE_CANVAS_SIMPLELINE                   (gnome_canvas_simpleline_get_type ())
  35 #define GNOME_CANVAS_SIMPLELINE(obj)                   (GTK_CHECK_CAST ((obj), GNOME_TYPE_CANVAS_SIMPLELINE, GnomeCanvasSimpleLine))
  36 #define GNOME_CANVAS_SIMPLELINE_CLASS(klass)           (GTK_CHECK_CLASS_CAST ((klass), GNOME_TYPE_CANVAS_SIMPLELINE, GnomeCanvasSimpleLineClass))
  37 #define GNOME_IS_CANVAS_SIMPLELINE(obj)         (GTK_CHECK_TYPE ((obj), GNOME_TYPE_CANVAS_SIMPLELINE))
  38 #define GNOME_IS_CANVAS_SIMPLELINE_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GNOME_TYPE_CANVAS_SIMPLELINE))
  39 #define GNOME_CANVAS_SIMPLELINE_GET_CLASS(obj)         (GTK_CHECK_GET_CLASS ((obj), GNOME_TYPE_CANVAS_SIMPLELINE, GnomeCanvasSimpleLineClass))
  40
  41 typedef struct _GnomeCanvasSimpleLine            GnomeCanvasSimpleLine;
  42 typedef struct _GnomeCanvasSimpleLineClass       GnomeCanvasSimpleLineClass;
  43
  44 struct _GnomeCanvasSimpleLine
  45 {
  46     GnomeCanvasItem item;
  47     double x1, y1, x2, y2;  /* parent-relative, world coordinates */
  48     gint32 cx1, cy1, cx2, cy2;  /* global, canvas coordinates */
  49     uint32_t color;
  50
  51     /* cached values set during update/used during render */
  52
  53     unsigned char r, b, g, a;
  54 };
  55
  56 struct _GnomeCanvasSimpleLineClass {
  57         GnomeCanvasItemClass parent_class;
  58 };
  59
  60 GType gnome_canvas_simpleline_get_type (void) G_GNUC_CONST;
  61
  62 G_END_DECLS
  63
  64 #endif /* __GNOME_CANVAS_SIMPLELINE_H__ */