source: trunk/third/gtk/gdk/gdkrgb.h @ 14482

/* 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__

#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__ */