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canvas-ruler.h

/* libgnomecanvas/gnome-canvas-ruler.h: GnomeCanvas item for simple rects
 *
 * Copyright (C) 2001 Paul Davis <pbd@op.net>
 *
 * 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 */

#ifndef __GNOME_CANVAS_RULER_H__
#define __GNOME_CANVAS_RULER_H__

#include <stdint.h>

#include "libgnomecanvas/libgnomecanvas.h"

G_BEGIN_DECLS

/* Wave viewer item for canvas.
 */

#define GNOME_CANVAS_TYPE_CANVAS_RULER            (gnome_canvas_ruler_get_type ())
#define GNOME_CANVAS_RULER(obj)                   (GTK_CHECK_CAST ((obj), GNOME_CANVAS_TYPE_CANVAS_RULER, GnomeCanvasRuler))
#define GNOME_CANVAS_RULER_CLASS(klass)           (GTK_CHECK_CLASS_CAST ((klass), GNOME_CANVAS_TYPE_CANVAS_RULER, GnomeCanvasRulerClass))
#define GNOME_CANVAS_IS_CANVAS_RULER(obj)         (GTK_CHECK_TYPE ((obj), GNOME_CANVAS_TYPE_CANVAS_RULER))
#define GNOME_CANVAS_IS_CANVAS_RULER_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GNOME_CANVAS_TYPE_CANVAS_RULER))

typedef struct _GnomeCanvasRuler            GnomeCanvasRuler;
typedef struct _GnomeCanvasRulerClass       GnomeCanvasRulerClass;

struct _GnomeCanvasRuler
{
    GnomeCanvasItem item;
    double x1, y1, x2, y2;
    uint32_t fill_color;
    uint32_t tick_color;
    uint32_t frames_per_unit;

    /* cached values set during update/used during render */

    unsigned char fill_r, fill_b, fill_g, fill_a;
    unsigned char tick_r, tick_b, tick_g;
    guint32 bbox_ulx, bbox_uly;
    guint32 bbox_lrx, bbox_lry;
};

struct _GnomeCanvasRulerClass {
      GnomeCanvasItemClass parent_class;
};

GtkType gnome_canvas_ruler_get_type (void);

G_END_DECLS

#endif /* __GNOME_CANVAS_RULER_H__ */

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