gtk2_ardour/canvas-ruler.h

   1 /* libgnomecanvas/gnome-canvas-ruler.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_RULER_H__
  23 #define __GNOME_CANVAS_RULER_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_CANVAS_TYPE_CANVAS_RULER            (gnome_canvas_ruler_get_type ())
  35 #define GNOME_CANVAS_RULER(obj)                   (GTK_CHECK_CAST ((obj), GNOME_CANVAS_TYPE_CANVAS_RULER, GnomeCanvasRuler))
  36 #define GNOME_CANVAS_RULER_CLASS(klass)           (GTK_CHECK_CLASS_CAST ((klass), GNOME_CANVAS_TYPE_CANVAS_RULER, GnomeCanvasRulerClass))
  37 #define GNOME_CANVAS_IS_CANVAS_RULER(obj)         (GTK_CHECK_TYPE ((obj), GNOME_CANVAS_TYPE_CANVAS_RULER))
  38 #define GNOME_CANVAS_IS_CANVAS_RULER_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GNOME_CANVAS_TYPE_CANVAS_RULER))
  39
  40 typedef struct _GnomeCanvasRuler            GnomeCanvasRuler;
  41 typedef struct _GnomeCanvasRulerClass       GnomeCanvasRulerClass;
  42
  43 struct _GnomeCanvasRuler
  44 {
  45     GnomeCanvasItem item;
  46     double x1, y1, x2, y2;
  47     uint32_t fill_color;
  48     uint32_t tick_color;
  49     uint32_t frames_per_unit;
  50
  51     /* cached values set during update/used during render */
  52
  53     unsigned char fill_r, fill_b, fill_g, fill_a;
  54     unsigned char tick_r, tick_b, tick_g;
  55     guint32 bbox_ulx, bbox_uly;
  56     guint32 bbox_lrx, bbox_lry;
  57 };
  58
  59 struct _GnomeCanvasRulerClass {
  60         GnomeCanvasItemClass parent_class;
  61 };
  62
  63 GtkType gnome_canvas_ruler_get_type (void);
  64
  65 G_END_DECLS
  66
  67 #endif /* __GNOME_CANVAS_RULER_H__ */