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livetrax/gtk2_ardour/canvas-simpleline.h
Paul Davis 6e0330a304 fix up some basic conceptual errors with canvas-simpleline, mostly relating to coordinate spaces
git-svn-id: svn://localhost/ardour2/branches/3.0@8358 d708f5d6-7413-0410-9779-e7cbd77b26cf
2010-12-29 13:46:52 +00:00

65 lines
2.4 KiB
C

/* libgnomecanvas/gnome-canvas-simpleline.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_SIMPLELINE_H__
#define __GNOME_CANVAS_SIMPLELINE_H__
#include <stdint.h>
#include <libgnomecanvas/libgnomecanvas.h>
G_BEGIN_DECLS
/* Wave viewer item for canvas.
*/
#define GNOME_TYPE_CANVAS_SIMPLELINE (gnome_canvas_simpleline_get_type ())
#define GNOME_CANVAS_SIMPLELINE(obj) (GTK_CHECK_CAST ((obj), GNOME_TYPE_CANVAS_SIMPLELINE, GnomeCanvasSimpleLine))
#define GNOME_CANVAS_SIMPLELINE_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GNOME_TYPE_CANVAS_SIMPLELINE, GnomeCanvasSimpleLineClass))
#define GNOME_IS_CANVAS_SIMPLELINE(obj) (GTK_CHECK_TYPE ((obj), GNOME_TYPE_CANVAS_SIMPLELINE))
#define GNOME_IS_CANVAS_SIMPLELINE_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GNOME_TYPE_CANVAS_SIMPLELINE))
#define GNOME_CANVAS_SIMPLELINE_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GNOME_TYPE_CANVAS_SIMPLELINE, GnomeCanvasSimpleLineClass))
typedef struct _GnomeCanvasSimpleLine GnomeCanvasSimpleLine;
typedef struct _GnomeCanvasSimpleLineClass GnomeCanvasSimpleLineClass;
struct _GnomeCanvasSimpleLine
{
GnomeCanvasItem item;
double x1, y1, x2, y2; /* parent-relative, world coordinates */
gint32 cx1, cy1, cx2, cy2; /* global, canvas coordinates */
uint32_t color;
/* cached values set during update/used during render */
unsigned char r, b, g, a;
};
struct _GnomeCanvasSimpleLineClass {
GnomeCanvasItemClass parent_class;
};
GType gnome_canvas_simpleline_get_type (void) G_GNUC_CONST;
G_END_DECLS
#endif /* __GNOME_CANVAS_SIMPLELINE_H__ */