summaryrefslogtreecommitdiff
path: root/icc/iccrw.c
blob: 807c5f4f134ed1b2443111ffc69da13fe062ebf5 (plain)
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
302
303
304
305
306
307
308
309
310
311

/* 
 * International Color Consortium Format Library (icclib)
 * Profile read then re-write skeleton utility.
 *
 * Author:  Graeme W. Gill
 * Date:    1999/11/29
 * Version: 2.15
 *
 * Copyright 1997 - 2012 Graeme W. Gill
 *
 * This material is licensed with an "MIT" free use license:-
 * see the License.txt file in this directory for licensing details.
 */

/* TTBD:
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <fcntl.h>
#include <string.h>
#include <math.h>
#include "icc.h"

#undef TEST_VIDGAMTAG		/* Add ColorSync 2.5 VideoCardGamma tag with linear table */
#undef TEST_SRGB_FIX		/* Some test code */
#undef WP_PATCH				/* Overwrite the white point */
#undef INVERT_GRAY			/* Invert single TRC gray profile */
#undef MOD_A2B /* 0 */		/* Modify A2B RGB tables */

void error(char *fmt, ...), warning(char *fmt, ...);

void usage(void) {
	fprintf(stderr,"Read and then re-write an ICC profile V%s\n",ICCLIB_VERSION_STR);
	fprintf(stderr,"Author: Graeme W. Gill\n");
	fprintf(stderr,"usage: iccrw readprofile writeprofile\n");
	exit(1);
}

int
main(int argc, char *argv[]) {
	int fa,nfa;				/* argument we're looking at */
	char in_name[500];
	char out_name[500];
	icmFile *rd_fp, *wr_fp;
	icc *icco;
	int verb = 0;
	int rv = 0;

	if (argc < 3)
		usage();

	/* Process the arguments */
	for(fa = 1;fa < argc;fa++) {
		nfa = fa;					/* skip to nfa if next argument is used */
		if (argv[fa][0] == '-')	{	/* Look for any flags */
			char *na = NULL;		/* next argument after flag, null if none */

			if (argv[fa][2] != '\000')
				na = &argv[fa][2];		/* next is directly after flag */
			else {
				if ((fa+1) < argc) {
					if (argv[fa+1][0] != '-') {
						nfa = fa + 1;
						na = argv[nfa];		/* next is seperate non-flag argument */
					}
				}
			}

			if (argv[fa][1] == '?')
				usage();

			if (argv[fa][1] == 'v' || argv[fa][1] == 'V')
				verb = 1;

			/* No options */
			usage();

		} else
			break;
	}

	if (fa >= argc || argv[fa][0] == '-') usage();
	strcpy(in_name,argv[fa++]);

	if (fa >= argc || argv[fa][0] == '-') usage();
	strcpy(out_name,argv[fa]);

	/* Open up the profile for reading */
	if ((rd_fp = new_icmFileStd_name(in_name,"r")) == NULL)
		error ("Can't open file '%s'",in_name);

	if ((icco = new_icc()) == NULL)
		error ("Creation of ICC object failed");

	/* Read header etc. */
	if ((rv = icco->read(icco,rd_fp,0)) != 0)
		error ("%d, %s",rv,icco->err);

	/* Read every tag */
	if (icco->read_all_tags(icco) != 0) {
		error("Unable to read all tags: %d, %s",icco->errc,icco->err);
	}

	rd_fp->del(rd_fp);

	/* ======================================= */
	/* Change profile in here.                 */

#ifdef TEST_SRGB_FIX		/* Some test code */
	/* Try deleting the black point tag */
	{
		if (icco->delete_tag(icco, icSigMediaBlackPointTag) != 0) {
			error("Unable to delete blackpoint tag: %d, %s",icco->errc,icco->err);
		}
	}

	/* Fix up sRGB profile curve */
	{
		icmCurve *ro;
		int i;

		/* Try and read the tag from the file */
		ro = (icmCurve *)icco->read_tag(icco, icSigRedTRCTag);
		if (ro == NULL) 
			error("Unable to read rTRC");

		/* Need to check that the cast is appropriate. */
		if (ro->ttype != icSigCurveType)
			error("rTRC is not CurveType");

		for (i = 0; i < ro->size; i++) {
			double vi, vo;
			vi = i/(double)(ro->size-1);

			if (vi < 0.04045) {
				vo = vi/12.92;
			} else {
				vo = pow((0.055+vi)/1.055,2.4);
			}
			ro->data[i] = vo;
		}
	}

	/* Show we modified this ICC file */
	icco->header->cmmId = str2tag("argl");		/* CMM for profile - Argyll CMM */
#endif

#ifdef TEST_VIDGAMTAG
	/* delete video card gamma tag (c/o Neil Okamoto) */
	{
		if (icco->find_tag(icco, icSigVideoCardGammaTag) == 0)
			if (icco->delete_tag(icco, icSigVideoCardGammaTag) != 0)
				error("Unable to delete videocardgamma tag: %d, %s",icco->errc,icco->err);
	}
	/* Add a video card gamma table */
	{
		int c,i;
		icmVideoCardGamma *wo;
		wo = (icmVideoCardGamma *)icco->add_tag(icco, icSigVideoCardGammaTag, icSigVideoCardGammaType);
		if (wo == NULL)
			error ("Unable to add VideoCardGamma tag");

		wo->tagType = icmVideoCardGammaTableType;
		wo->u.table.channels = 3;             /* rgb */
		wo->u.table.entryCount = 256;         /* full lut */
		wo->u.table.entrySize = 1;            /* byte */
		wo->allocate((icmBase*)wo);
		for (c=0; c<3; c++)
			for (i=0; i<256; i++)
				((unsigned char*)wo->u.table.data)[256*c+i] = 255-i;
	}

	/* Show we modified this ICC file */
	icco->header->cmmId = str2tag("argl");		/* CMM for profile - Argyll CMM */
#endif

#ifdef WP_PATCH			/* Overwrite the white point */
	/* delete white point tag */
	{
		if (icco->find_tag(icco, icSigMediaWhitePointTag) == 0)
			if (icco->delete_tag(icco, icSigMediaWhitePointTag) != 0)
				error("Unable to delete white point tag tag: %d, %s",icco->errc,icco->err);
	}
	/* Add a new white point tag */
	{
		double lab[3];
		icmXYZArray *wo;
		/* Note that tag types icSigXYZType and icSigXYZArrayType are identical */
		if ((wo = (icmXYZArray *)icco->add_tag(
		           icco, icSigMediaWhitePointTag, icSigXYZArrayType)) == NULL) 
			error("add_tag failed: %d, %s",icco->errc, icco->err);

		wo->size = 1;
		wo->allocate((icmBase *)wo);	/* Allocate space */
		lab[0] = 79.8296;
		lab[1] = -0.004042 + 0.842312;
		lab[2] = 3.019928 + 0.810044;
		icmLab2XYZ(&icmD50, lab, lab);
		icmAry2XYZ(wo->data[0], lab);
	}

	/* Show we modified this ICC file */
	icco->header->cmmId = str2tag("argl");		/* CMM for profile - Argyll CMM */
#endif
#ifdef INVERT_GRAY			/* Invert single TRC gray profile */
	{
		icmCurve *ro;
		int i;

		/* Try and read the tag from the file */
		ro = (icmCurve *)icco->read_tag(icco, icSigGrayTRCTag);
		if (ro == NULL) 
			error("Unable to read GrayTRC");

		/* Need to check that the cast is appropriate. */
		if (ro->ttype != icSigCurveType)
			error("GrayTRC is not CurveType");

		/* Swap the curve entries from top to bottom */
		for (i = 0; i < (ro->size/2); i++) {
			double temp;
			int ii = 255 - i;

			temp = ro->data[ii];
			ro->data[ii] = ro->data[i];
			ro->data[i] = temp;
		}
	}

#endif

#ifdef MOD_A2B
	{
		icmLut *ro;
		unsigned long size;
		unsigned int i, j;
		icTagSignature sig;

		if (MOD_A2B == 0)
			sig = icSigAToB0Tag;
		else if (MOD_A2B == 1)
			sig = icSigAToB1Tag;
		else 
			sig = icSigAToB2Tag;

		/* Try and read the tag from the file */
		ro = (icmLut *)icco->read_tag(icco, sig);
		if (ro == NULL) 
			error("Failed to read A2B tag");

		/* Need to check that the cast is appropriate. */
		if (ro->ttype != icSigLut16Type)
			error("A2B is not 16 bitg");
	
		/* Simply apply a gamma to the corresponding input curve */
		for (i = 0; i < ro->inputChan; i++) {				/* Input tables */
			double val;
			j = MOD_A2B;
			val = ro->inputTable[i * ro->inputEnt + j];
			val = pow(val, 2.0);
			ro->inputTable[i * ro->inputEnt + j] = val;
		}
	}
#endif /* MOD_A2B */

	/* ======================================= */
	
	/* Open up the other profile for writing */
	if ((wr_fp = new_icmFileStd_name(out_name,"w")) == NULL)
		error ("Can't open file '%s'",out_name);

	if ((rv = icco->write(icco,wr_fp,0)) != 0)
		error ("Write file: %d, %s",rv,icco->err);

	icco->del(icco);
	wr_fp->del(wr_fp);

	return 0;
}

/* ------------------------------------------------ */
/* Basic printf type error() and warning() routines */

void
error(char *fmt, ...)
{
	va_list args;

	fprintf(stderr,"iccrw: Error - ");
	va_start(args, fmt);
	vfprintf(stderr, fmt, args);
	va_end(args);
	fprintf(stderr, "\n");
	exit (-1);
}

void
warning(char *fmt, ...)
{
	va_list args;

	fprintf(stderr,"iccrw: Warning - ");
	va_start(args, fmt);
	vfprintf(stderr, fmt, args);
	va_end(args);
	fprintf(stderr, "\n");
}