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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
|
/*
* Code and supporting documentation (c) Copyright 1990 1991 Tektronix, Inc.
* All Rights Reserved
*
* This file is a component of an X Window System-specific implementation
* of Xcms based on the TekColor Color Management System. Permission is
* hereby granted to use, copy, modify, sell, and otherwise distribute this
* software and its documentation for any purpose and without fee, provided
* that this copyright, permission, and disclaimer notice is reproduced in
* all copies of this software and in supporting documentation. TekColor
* is a trademark of Tektronix, Inc.
*
* Tektronix makes no representation about the suitability of this software
* for any purpose. It is provided "as is" and with all faults.
*
* TEKTRONIX DISCLAIMS ALL WARRANTIES APPLICABLE TO THIS SOFTWARE,
* INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE. IN NO EVENT SHALL TEKTRONIX BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER IN AN ACTION OF
* CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR THE PERFORMANCE OF THIS SOFTWARE.
*
*
* NAME
* XcmsSetGet.c
*
* DESCRIPTION
* Source for _XcmsSetGetColors()
*
*
*/
/*
* EXTERNAL INCLUDES
* Include files that must be exported to any package or
* program using this package.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "Xlibint.h"
#include "Xcmsint.h"
#include "Cv.h"
/************************************************************************
* *
* API PRIVATE ROUTINES *
* *
************************************************************************/
/*
* NAME
* XcmsSetColor -
*
* SYNOPSIS
*/
Status
_XcmsSetGetColor(
Status (*xColorProc)(
Display* /* display */,
Colormap /* colormap */,
XColor* /* screen_in_out */),
Display *dpy,
Colormap cmap,
XcmsColor *pColors_in_out,
XcmsColorFormat result_format,
Bool *pCompressed)
/*
* DESCRIPTION
* Routine containing code common to:
* XcmsAllocColor
* XcmsQueryColor
* XcmsStoreColor
*
* RETURNS
* XcmsFailure if failed;
* XcmsSuccess if it succeeded without gamut compression;
* XcmsSuccessWithCompression if it succeeded with gamut
* compression;
*/
{
XcmsCCC ccc;
XColor XColors_in_out;
Status retval = XcmsSuccess;
/*
* Argument Checking
* 1. Assume xColorProc is correct
* 2. Insure ccc not NULL
* 3. Assume cmap correct (should be checked by Server)
* 4. Insure pColors_in_out valid
* 5. Assume method_in is valid (should be checked by Server)
*/
if (dpy == NULL) {
return(XcmsFailure);
}
if (result_format == XcmsUndefinedFormat) {
return(XcmsFailure);
}
if ( !((*xColorProc == XAllocColor) || (*xColorProc == XStoreColor)
|| (*xColorProc == XQueryColor)) ) {
return(XcmsFailure);
}
if ((ccc = XcmsCCCOfColormap(dpy, cmap)) == (XcmsCCC)NULL) {
return(XcmsFailure);
}
if (*xColorProc == XQueryColor) {
goto Query;
}
/*
* Convert to RGB, adjusting for white point differences if necessary.
*/
if ((retval = XcmsConvertColors(ccc, pColors_in_out, 1, XcmsRGBFormat,
pCompressed)) == XcmsFailure) {
return(XcmsFailure);
}
Query:
/*
* Convert XcmsColor to XColor structures
*/
_XcmsRGB_to_XColor(pColors_in_out, &XColors_in_out, 1);
/*
* Now make appropriate X Call
*/
if (*xColorProc == XAllocColor) {
if ((*xColorProc)(ccc->dpy, cmap, &XColors_in_out) == 0) {
return(XcmsFailure);
}
} else if ((*xColorProc == XQueryColor) || (*xColorProc == XStoreColor)) {
/* Note: XQueryColor and XStoreColor do not return any Status */
(*xColorProc)(ccc->dpy, cmap, &XColors_in_out);
} else {
return(XcmsFailure);
}
if ((*xColorProc == XStoreColor)) {
return(retval);
}
/*
* Now, convert the returned XColor (i.e., rgb) to XcmsColor structures
*/
_XColor_to_XcmsRGB(ccc, &XColors_in_out, pColors_in_out, 1);
/*
* Then, convert XcmsColor structures to the original specification
* format. Note that we must use NULL instead of passing
* pCompressed.
*/
if (result_format != XcmsRGBFormat) {
if (XcmsConvertColors(ccc, pColors_in_out, 1, result_format,
(Bool *) NULL) == XcmsFailure) {
return(XcmsFailure);
}
}
return(retval);
}
/*
* NAME
* XcmsSetColors -
*
* SYNOPSIS
*/
Status
_XcmsSetGetColors(
Status (*xColorProc)(
Display* /* display */,
Colormap /* colormap */,
XColor* /* screen_in_out */,
int /* nColors */),
Display *dpy,
Colormap cmap,
XcmsColor *pColors_in_out,
int nColors,
XcmsColorFormat result_format,
Bool *pCompressed)
/*
* DESCRIPTION
* Routine containing code common to:
* XcmsQueryColors
* XcmsStoreColors
*
* RETURNS
* XcmsFailure if failed;
* XcmsSuccess if it succeeded without gamut compression;
* XcmsSuccessWithCompression if it succeeded with gamut
* compression;
*/
{
XcmsCCC ccc;
XColor *pXColors_in_out;
Status retval = XcmsSuccess;
/*
* Argument Checking
* 1. Assume xColorProc is correct
* 2. Insure ccc not NULL
* 3. Assume cmap correct (should be checked by Server)
* 4. Insure pColors_in_out valid
* 5. Assume method_in is valid (should be checked by Server)
* 6. Insure nColors > 0
*/
if (dpy == NULL) {
return(XcmsFailure);
}
if (nColors == 0) {
return(XcmsSuccess);
}
if (result_format == XcmsUndefinedFormat) {
return(XcmsFailure);
}
if ( !((*xColorProc == XStoreColors) || (*xColorProc == XQueryColors)) ) {
return(XcmsFailure);
}
if ((ccc = XcmsCCCOfColormap(dpy, cmap)) == (XcmsCCC)NULL) {
return(XcmsFailure);
}
/*
* Allocate space for XColors
*/
if ((pXColors_in_out = (XColor *)Xcalloc(nColors, sizeof(XColor))) ==
NULL) {
return(XcmsFailure);
}
if (*xColorProc == XQueryColors) {
goto Query;
}
/*
* Convert to RGB, adjusting for white point differences if necessary.
*/
if ((retval = XcmsConvertColors(ccc, pColors_in_out, nColors, XcmsRGBFormat,
pCompressed)) == XcmsFailure) {
Xfree((char *)pXColors_in_out);
return(XcmsFailure);
}
Query:
/*
* Convert XcmsColor to XColor structures
*/
_XcmsRGB_to_XColor(pColors_in_out, pXColors_in_out, nColors);
/*
* Now make appropriate X Call
*/
if ((*xColorProc == XQueryColors) || (*xColorProc == XStoreColors)){
/* Note: XQueryColors and XStoreColors do not return any Status */
(*xColorProc)(ccc->dpy, cmap, pXColors_in_out, nColors);
} else {
Xfree((char *)pXColors_in_out);
return(XcmsFailure);
}
if (*xColorProc == XStoreColors) {
Xfree((char *)pXColors_in_out);
return(retval);
}
/*
* Now, convert the returned XColor (i.e., rgb) to XcmsColor structures
*/
_XColor_to_XcmsRGB(ccc, pXColors_in_out, pColors_in_out, nColors);
Xfree((char *)pXColors_in_out);
/*
* Then, convert XcmsColor structures to the original specification
* format. Note that we must use NULL instead of passing
* pCompressed.
*/
if (result_format != XcmsRGBFormat) {
if (XcmsConvertColors(ccc, pColors_in_out, nColors, result_format,
(Bool *) NULL) == XcmsFailure) {
return(XcmsFailure);
}
}
return(retval);
}
/* ### EOF ### */
|
