/* GTK - The GIMP Toolkit

 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser 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.

 */

/*

 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS

 * file for a list of people on the GTK+ Team.  See the ChangeLog

 * files for a list of changes.  These files are distributed with

 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.

 */

#ifndef GTK_DISABLE_DEPRECATED

#ifndef __GTK_PREVIEW_H__

#define __GTK_PREVIEW_H__

#include <gtk/gtk.h>

G_BEGIN_DECLS

#define GTK_TYPE_PREVIEW            (gtk_preview_get_type ())

#define GTK_PREVIEW(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_PREVIEW, GtkPreview))

#define GTK_PREVIEW_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_PREVIEW, GtkPreviewClass))

#define GTK_IS_PREVIEW(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_PREVIEW))

#define GTK_IS_PREVIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PREVIEW))

#define GTK_PREVIEW_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PREVIEW, GtkPreviewClass))

typedef struct _GtkPreview       GtkPreview;

typedef struct _GtkPreviewInfo   GtkPreviewInfo;

typedef union  _GtkDitherInfo    GtkDitherInfo;

typedef struct _GtkPreviewClass  GtkPreviewClass;

struct _GtkPreview

{

  GtkWidget widget;

  guchar *buffer;

  guint16 buffer_width;

  guint16 buffer_height;

  guint16 bpp;

  guint16 rowstride;

  GdkRgbDither dither;

  guint type : 1;

  guint expand : 1;

};

struct _GtkPreviewInfo

{

  guchar *lookup;

  gdouble gamma;

};

union _GtkDitherInfo

{

  gushort s[2];

  guchar c[4];

};

struct _GtkPreviewClass

{

  GtkWidgetClass parent_class;

  GtkPreviewInfo info;

};

GType           gtk_preview_get_type           (void) G_GNUC_CONST;

void            gtk_preview_uninit             (void);

GtkWidget*      gtk_preview_new                (GtkPreviewType   type);

void            gtk_preview_size               (GtkPreview      *preview,

						gint             width,

						gint             height);

void            gtk_preview_put                (GtkPreview      *preview,

						GdkWindow       *window,

						GdkGC           *gc,

						gint             srcx,

						gint             srcy,

						gint             destx,

						gint             desty,

						gint             width,

						gint             height);

void            gtk_preview_draw_row           (GtkPreview      *preview,

						guchar          *data,

						gint             x,

						gint             y,

						gint             w);

void            gtk_preview_set_expand         (GtkPreview      *preview,

						gboolean         expand);

void            gtk_preview_set_gamma          (double           gamma_);

void            gtk_preview_set_color_cube     (guint            nred_shades,

						guint            ngreen_shades,

						guint            nblue_shades,

						guint            ngray_shades);

void            gtk_preview_set_install_cmap   (gint             install_cmap);

void            gtk_preview_set_reserved       (gint             nreserved);

void            gtk_preview_set_dither         (GtkPreview      *preview,

						GdkRgbDither     dither);

GdkVisual*      gtk_preview_get_visual         (void);

GdkColormap*    gtk_preview_get_cmap           (void);

GtkPreviewInfo* gtk_preview_get_info           (void);

/* This function reinitializes the preview colormap and visual from

 * the current gamma/color_cube/install_cmap settings. It must only

 * be called if there are no previews or users's of the preview

 * colormap in existence.

 */

void            gtk_preview_reset              (void);

G_END_DECLS

#endif /* __GTK_PREVIEW_H__ */

#endif /* GTK_DISABLE_DEPRECATED */