1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "MPL"); you may not use this file except in
* compliance with the MPL. You may obtain a copy of the MPL at
* http://www.mozilla.org/MPL/
*
* Software distributed under the MPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the MPL
* for the specific language governing rights and limitations under the
* MPL.
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU Library General Public License (the "LGPL"), in
* which case the provisions of the LGPL are applicable instead of
* those above. If you wish to allow use of your version of this file
* only under the terms of the LGPL and not to allow others to use
* your version of this file under the MPL, indicate your decision by
* deleting the provisions above and replace them with the notice and
* other provisions required by the LGPL. If you do not delete the
* provisions above, a recipient may use your version of this file
* under either the MPL or the LGPL.
*/
/*
* This code is derived from GdkRgb.
* For more information on GdkRgb, see http://www.levien.com/gdkrgb/
* Raph Levien <[email protected]>
*/
/* Ported by Christopher Blizzard to Xlib. With permission from the
* original authors of this file, the contents of this file are also
* redistributable under the terms of the Mozilla Public license. For
* information about the Mozilla Public License, please see the
* license information at http://www.mozilla.org/MPL/
*/
/* This code is copyright the following authors:
* Raph Levien <[email protected]>
* Manish Singh <[email protected]>
* Tim Janik <[email protected]>
* Peter Mattis <[email protected]>
* Spencer Kimball <[email protected]>
* Josh MacDonald <[email protected]>
* Christopher Blizzard <[email protected]>
* Owen Taylor <[email protected]>
* Shawn T. Amundson <[email protected]>
*/
#ifndef __XLIB_RGB_H__
#define __XLIB_RGB_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xos.h>
#include <X11/Intrinsic.h>
typedef struct _XlibRgbCmap XlibRgbCmap;
struct _XlibRgbCmap {
unsigned int colors[256];
unsigned char lut[256]; /* for 8-bit modes */
};
void
xlib_rgb_init (Display *display, Screen *screen);
void
xlib_rgb_init_with_depth (Display *display, Screen *screen, int prefDepth);
unsigned long
xlib_rgb_xpixel_from_rgb (unsigned int rgb);
void
xlib_rgb_gc_set_foreground (GC gc, unsigned int rgb);
void
xlib_rgb_gc_set_background (GC gc, unsigned int rgb);
typedef enum
{
XLIB_RGB_DITHER_NONE,
XLIB_RGB_DITHER_NORMAL,
XLIB_RGB_DITHER_MAX
} XlibRgbDither;
void
xlib_draw_rgb_image (Drawable drawable,
GC gc,
int x,
int y,
int width,
int height,
XlibRgbDither dith,
unsigned char *rgb_buf,
int rowstride);
void
xlib_draw_rgb_image_dithalign (Drawable drawable,
GC gc,
int x,
int y,
int width,
int height,
XlibRgbDither dith,
unsigned char *rgb_buf,
int rowstride,
int xdith,
int ydith);
void
xlib_draw_rgb_32_image (Drawable drawable,
GC gc,
int x,
int y,
int width,
int height,
XlibRgbDither dith,
unsigned char *buf,
int rowstride);
void
xlib_draw_gray_image (Drawable drawable,
GC gc,
int x,
int y,
int width,
int height,
XlibRgbDither dith,
unsigned char *buf,
int rowstride);
XlibRgbCmap *
xlib_rgb_cmap_new (unsigned int *colors, int n_colors);
void
xlib_rgb_cmap_free (XlibRgbCmap *cmap);
void
xlib_draw_indexed_image (Drawable drawable,
GC gc,
int x,
int y,
int width,
int height,
XlibRgbDither dith,
unsigned char *buf,
int rowstride,
XlibRgbCmap *cmap);
/* Below are some functions which are primarily useful for debugging
and experimentation. */
Bool
xlib_rgb_ditherable (void);
void
xlib_rgb_set_verbose (Bool verbose);
/* experimental colormap stuff */
void
xlib_rgb_set_install (Bool install);
void
xlib_rgb_set_min_colors (int min_colors);
Colormap
xlib_rgb_get_cmap (void);
Visual *
xlib_rgb_get_visual (void);
XVisualInfo *
xlib_rgb_get_visual_info (void);
int
xlib_rgb_get_depth (void);
Display *
xlib_rgb_get_display (void);
Screen *
xlib_rgb_get_screen (void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __XLIB_RGB_H__ */
|