1 /* GTK - The GIMP Toolkit
2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17  * Boston, MA 02111-1307, USA.
18  */
19 
20 /*
21  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
22  * file for a list of people on the GTK+ Team.  See the ChangeLog
23  * files for a list of changes.  These files are distributed with
24  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
25  */
26 
27 #ifndef __GDK_RGB_H__
28 #define __GDK_RGB_H__
29 
30 #if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
31 #error "Only <gdk/gdk.h> can be included directly."
32 #endif
33 
34 #include <gdk/gdktypes.h>
35 
36 G_BEGIN_DECLS
37 
38 typedef struct _GdkRgbCmap GdkRgbCmap;
39 
40 typedef enum
41 {
42   GDK_RGB_DITHER_NONE,
43   GDK_RGB_DITHER_NORMAL,
44   GDK_RGB_DITHER_MAX
45 } GdkRgbDither;
46 
47 #ifndef GDK_DISABLE_DEPRECATED
48 
49 struct _GdkRgbCmap {
50   guint32 colors[256];
51   gint n_colors;
52 
53   /*< private >*/
54   GSList *info_list;
55 };
56 
57 void gdk_rgb_init (void);
58 
59 gulong gdk_rgb_xpixel_from_rgb   (guint32      rgb) G_GNUC_CONST;
60 void   gdk_rgb_gc_set_foreground (GdkGC       *gc,
61 				  guint32      rgb);
62 void   gdk_rgb_gc_set_background (GdkGC       *gc,
63 				  guint32      rgb);
64 #define gdk_rgb_get_cmap               gdk_rgb_get_colormap
65 
66 void   gdk_rgb_find_color        (GdkColormap *colormap,
67 				  GdkColor    *color);
68 
69 void        gdk_draw_rgb_image              (GdkDrawable  *drawable,
70 					     GdkGC        *gc,
71 					     gint          x,
72 					     gint          y,
73 					     gint          width,
74 					     gint          height,
75 					     GdkRgbDither  dith,
76 					     const guchar *rgb_buf,
77 					     gint          rowstride);
78 void        gdk_draw_rgb_image_dithalign    (GdkDrawable  *drawable,
79 					     GdkGC        *gc,
80 					     gint          x,
81 					     gint          y,
82 					     gint          width,
83 					     gint          height,
84 					     GdkRgbDither  dith,
85 					     const guchar *rgb_buf,
86 					     gint          rowstride,
87 					     gint          xdith,
88 					     gint          ydith);
89 void        gdk_draw_rgb_32_image           (GdkDrawable  *drawable,
90 					     GdkGC        *gc,
91 					     gint          x,
92 					     gint          y,
93 					     gint          width,
94 					     gint          height,
95 					     GdkRgbDither  dith,
96 					     const guchar *buf,
97 					     gint          rowstride);
98 void        gdk_draw_rgb_32_image_dithalign (GdkDrawable  *drawable,
99 					     GdkGC        *gc,
100 					     gint          x,
101 					     gint          y,
102 					     gint          width,
103 					     gint          height,
104 					     GdkRgbDither  dith,
105 					     const guchar *buf,
106 					     gint          rowstride,
107 					     gint          xdith,
108 					     gint          ydith);
109 void        gdk_draw_gray_image             (GdkDrawable  *drawable,
110 					     GdkGC        *gc,
111 					     gint          x,
112 					     gint          y,
113 					     gint          width,
114 					     gint          height,
115 					     GdkRgbDither  dith,
116 					     const guchar *buf,
117 					     gint          rowstride);
118 void        gdk_draw_indexed_image          (GdkDrawable  *drawable,
119 					     GdkGC        *gc,
120 					     gint          x,
121 					     gint          y,
122 					     gint          width,
123 					     gint          height,
124 					     GdkRgbDither  dith,
125 					     const guchar *buf,
126 					     gint          rowstride,
127 					     GdkRgbCmap   *cmap);
128 GdkRgbCmap *gdk_rgb_cmap_new                (guint32      *colors,
129 					     gint          n_colors);
130 void        gdk_rgb_cmap_free               (GdkRgbCmap   *cmap);
131 
132 void     gdk_rgb_set_verbose (gboolean verbose);
133 
134 /* experimental colormap stuff */
135 void gdk_rgb_set_install    (gboolean install);
136 void gdk_rgb_set_min_colors (gint     min_colors);
137 
138 #ifndef GDK_MULTIHEAD_SAFE
139 GdkColormap *gdk_rgb_get_colormap (void);
140 GdkVisual *  gdk_rgb_get_visual   (void);
141 gboolean     gdk_rgb_ditherable   (void);
142 gboolean     gdk_rgb_colormap_ditherable (GdkColormap *cmap);
143 #endif
144 #endif /* GDK_DISABLE_DEPRECATED */
145 
146 G_END_DECLS
147 
148 
149 #endif /* __GDK_RGB_H__ */
150