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/* Image item type for GnomeCanvas widget
*
* GnomeCanvas is basically a port of the Tk toolkit's most excellent canvas widget. Tk is
* copyrighted by the Regents of the University of California, Sun Microsystems, and other parties.
*
* Copyright (C) 1998 The Free Software Foundation
*
* Author: Federico Mena <federico@nuclecu.unam.mx>
*/
#ifndef __GNOME_CANVAS_IMAGEFRAME_H__
#define __GNOME_CANVAS_IMAGEFRAME_H__
#include <stdint.h>
#include <libgnomecanvas/libgnomecanvas.h>
#include <gtk/gtkenums.h>
#ifdef __cplusplus
extern "C" {
#endif
#include <libart_lgpl/art_misc.h>
#ifdef __cplusplus
}
#endif
#include <libart_lgpl/art_pixbuf.h>
G_BEGIN_DECLS
/* Image item for the canvas. Images are positioned by anchoring them to a point.
* The following arguments are available:
*
* name type read/write description
* ------------------------------------------------------------------------------------------
* pixbuf ArtPixBuf* W Pointer to an ArtPixBuf (aa-mode)
* x double RW X coordinate of anchor point
* y double RW Y coordinate of anchor point
* width double RW Width to scale image to, in canvas units
* height double RW Height to scale image to, in canvas units
* drawwidth double RW Width to scale image to, in canvas units
* anchor GtkAnchorType RW Anchor side for the image
*/
#define GNOME_CANVAS_TYPE_CANVAS_IMAGEFRAME (gnome_canvas_imageframe_get_type ())
#define GNOME_CANVAS_IMAGEFRAME(obj) (GTK_CHECK_CAST ((obj), GNOME_CANVAS_TYPE_CANVAS_IMAGEFRAME, GnomeCanvasImageFrame))
#define GNOME_CANVAS_IMAGEFRAME_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GNOME_CANVAS_TYPE_CANVAS_IMAGEFRAME, GnomeCanvasImageFrameClass))
#define GNOME_CANVAS_IS_CANVAS_IMAGEFRAME(obj) (GTK_CHECK_TYPE ((obj), GNOME_CANVAS_TYPE_CANVAS_IMAGEFRAME))
#define GNOME_CANVAS_IS_CANVAS_IMAGEFRAME_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GNOME_CANVAS_TYPE_CANVAS_IMAGEFRAME))
typedef struct _GnomeCanvasImageFrame GnomeCanvasImageFrame;
typedef struct _GnomeCanvasImageFrameClass GnomeCanvasImageFrameClass;
struct _GnomeCanvasImageFrame {
GnomeCanvasItem item;
double x, y; /* Position at anchor, item relative */
double width, height; /* Size of image, item relative */
double drawwidth ; /* the amount of the image we draw width-wise (0-drawwidth)*/
GtkAnchorType anchor; /* Anchor side for image */
int cx, cy; /* Top-left canvas coordinates for display */
int cwidth, cheight; /* Rendered size in pixels */
uint32_t need_recalc : 1; /* Do we need to rescale the image? */
ArtPixBuf *pixbuf; /* A pixbuf, for aa rendering */
double affine[6]; /* The item -> canvas affine */
};
struct _GnomeCanvasImageFrameClass {
GnomeCanvasItemClass parent_class;
};
/* Standard Gtk function */
GtkType gnome_canvas_imageframe_get_type (void);
G_END_DECLS
#endif
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