gdkrgb.h

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/* 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 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.
 */

/*
 * Modified by the GTK+ Team and others 1997-1999.  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 __GDK_RGB_H__
#define __GDK_RGB_H__

#include <gdk/gdktypes.h>

#ifdef __cplusplus
extern "C" {
#endif                          /* __cplusplus */

   typedef struct _GdkRgbCmap GdkRgbCmap;

   struct _GdkRgbCmap {
      guint32 colors[256];
      guchar lut[256];          /* for 8-bit modes */
   };

   void
    gdk_rgb_init(void);

    gulong gdk_rgb_xpixel_from_rgb(guint32 rgb);

   void
    gdk_rgb_gc_set_foreground(GdkGC * gc, guint32 rgb);

   void
    gdk_rgb_gc_set_background(GdkGC * gc, guint32 rgb);

   typedef enum {
      GDK_RGB_DITHER_NONE,
      GDK_RGB_DITHER_NORMAL,
      GDK_RGB_DITHER_MAX
   } GdkRgbDither;

   void
    gdk_draw_rgb_image(GdkDrawable * drawable,
                       GdkGC * gc,
                       gint x,
                       gint y,
                       gint width,
                       gint height,
                       GdkRgbDither dith,
                       guchar * rgb_buf, gint rowstride);

   void
    gdk_draw_rgb_image_dithalign(GdkDrawable * drawable,
                                 GdkGC * gc,
                                 gint x,
                                 gint y,
                                 gint width,
                                 gint height,
                                 GdkRgbDither dith,
                                 guchar * rgb_buf,
                                 gint rowstride, gint xdith, gint ydith);

   void
    gdk_draw_rgb_32_image(GdkDrawable * drawable,
                          GdkGC * gc,
                          gint x,
                          gint y,
                          gint width,
                          gint height,
                          GdkRgbDither dith, guchar * buf, gint rowstride);

   void
    gdk_draw_gray_image(GdkDrawable * drawable,
                        GdkGC * gc,
                        gint x,
                        gint y,
                        gint width,
                        gint height,
                        GdkRgbDither dith, guchar * buf, gint rowstride);

   GdkRgbCmap *gdk_rgb_cmap_new(guint32 * colors, gint n_colors);

   void
    gdk_rgb_cmap_free(GdkRgbCmap * cmap);

   void
    gdk_draw_indexed_image(GdkDrawable * drawable,
                           GdkGC * gc,
                           gint x,
                           gint y,
                           gint width,
                           gint height,
                           GdkRgbDither dith,
                           guchar * buf,
                           gint rowstride, GdkRgbCmap * cmap);


/* Below are some functions which are primarily useful for debugging
   and experimentation. */
    gboolean gdk_rgb_ditherable(void);

   void
    gdk_rgb_set_verbose(gboolean verbose);

/* experimental colormap stuff */
   void
    gdk_rgb_set_install(gboolean install);

   void
    gdk_rgb_set_min_colors(gint min_colors);

   GdkColormap *gdk_rgb_get_cmap(void);

   GdkVisual *gdk_rgb_get_visual(void);

#ifdef __cplusplus
}
#endif                          /* __cplusplus */
#endif                          /* __GDK_RGB_H__ */

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