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/* Image item type for GtkCanvas widget
 * GtkCanvas 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>

#include <stdint.h>

#include <gtk-canvas/gtk-canvas-defs.h>
#include <gtk/gtkpacker.h> /* why the hell is GtkAnchorType here and not in gtkenums.h? */
#include <libart_lgpl/art_misc.h>
#include <libart_lgpl/art_pixbuf.h>
#include "gtk-canvas/gtk-canvas.h"


/* 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 GTK_CANVAS_TYPE_CANVAS_IMAGEFRAME            (gtk_canvas_imageframe_get_type ())
#define GTK_CANVAS_IMAGEFRAME(obj)                   (GTK_CHECK_CAST ((obj), GTK_CANVAS_TYPE_CANVAS_IMAGEFRAME, GtkCanvasImageFrame))

typedef struct _GtkCanvasImageFrame GtkCanvasImageFrame;
typedef struct _GtkCanvasImageFrameClass GtkCanvasImageFrameClass;

struct _GtkCanvasImageFrame {
      GtkCanvasItem 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 _GtkCanvasImageFrameClass {
      GtkCanvasItemClass parent_class;

/* Standard Gtk function */
GtkType gtk_canvas_imageframe_get_type (void);



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