summaryrefslogtreecommitdiff
path: root/icc/mkDispProf.c
blob: b7c32c685f315a2deec5e52d17eeda5ac1e64951 (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
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354


/* 
 * Create an ICC V2.4 compatible matrix display profile.
 *
 * Author:  Graeme W. Gill
 * Date:    8/2/2008
 * Version: 1.00
 *
 * Copyright 2006 - 2014 Graeme W. Gill
 *
 * This material is licensed with an "MIT" free use license:-
 * see the License4.txt file in this directory for licensing details.
 *
 * Based on icc/lutest.c
 */


/*
 * TTBD:
 *
 */

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

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

void usage(void) {
	fprintf(stderr,"Create a Matrix Display ICC profile\n");
	fprintf(stderr,"Author: Graeme W. Gill\n");
	fprintf(stderr,"usage: mkDispProf [-v level] outfile\n");
	fprintf(stderr," -v                 Verbose\n");
	exit(1);
}

/* sRGB like device gamma encoded value to linear value 0.0 .. 1.0 */
static double gdv2dv(double iv) {
	double ov;

	if (iv < 0.04045)
		ov = iv/12.92;
	else
		ov = pow((iv + 0.055)/1.055, 2.4);
	return ov;
}

int
main(
int argc,
char *argv[]
) {
	int fa,nfa;
	char out_name[1000];
	icmFile *wr_fp;
	icc *wr_icco;
	int rv = 0;
	int verb = 0;

	if (argc < 2)
		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();

			/* Verbosity */
			else if (argv[fa][1] == 'v' || argv[fa][1] == 'V') {
				verb = 1;
			}

			else 
				usage();
		}
		else
			break;
	}

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

	/* ---------------------------------------- */
	/* Create a matrix/shaper based XYZ profile */
	/* ---------------------------------------- */

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

	if ((wr_icco = new_icc()) == NULL)
		error ("Write: Creation of ICC object failed");

	/* Add all the tags required */

	/* The header: */
	{
		icmHeader *wh = wr_icco->header;

		/* Values that must be set before writing */
		wh->deviceClass     = icSigDisplayClass;
    	wh->colorSpace      = icSigRgbData;			/* It's RGB space */
    	wh->pcs             = icSigXYZData;
    	wh->renderingIntent = icPerceptual;

		/* Values that should be set before writing */
		wh->manufacturer = str2tag("????");
    	wh->model        = str2tag("????");
	}
	/* Profile Description Tag: */
	{
		icmTextDescription *wo;
		char *dst;

		dst = "sRGB like Matrix Display profile";
		if ((wo = (icmTextDescription *)wr_icco->add_tag(
		           wr_icco, icSigProfileDescriptionTag,	icSigTextDescriptionType)) == NULL) 
			error("add_tag failed: %d, %s",wr_icco->errc,wr_icco->err);

		wo->size = strlen(dst)+1; 	/* Allocated and used size of desc, inc null */
		wo->scCode = 0;
		wo->scSize = strlen(dst)+1;
		if (wo->scSize > 67)
			error("Description scriptCode string longer than 67");
		wo->allocate((icmBase *)wo);/* Allocate space */
		strcpy(wo->desc, dst);		/* Copy the string in */
		strcpy((char *)wo->scDesc, dst);	/* Copy the string in */
	}
	/* Copyright Tag: */
	{
		icmText *wo;
		char *crt = "Copyright tag goes here";
		if ((wo = (icmText *)wr_icco->add_tag(
		           wr_icco, icSigCopyrightTag,	icSigTextType)) == NULL) 
			error("add_tag failed: %d, %s",wr_icco->errc,wr_icco->err);

		wo->size = strlen(crt)+1; 	/* Allocated and used size of text, inc null */
		wo->allocate((icmBase *)wo);/* Allocate space */
		strcpy(wo->data, crt);		/* Copy the text in */
	}

	/* Could add other relevant tags here, such as:

	   Device Manufacturers Description Tag
	   Device Model Description Tag
	   Device technology Tag
	   Viewing conditions Description Tag
	   Viewing conditions
	   Display Luminance Tag
	   Measurement information Tag

	   etc.
	 */

	/* Setup the primaries */
	{
		/* Compute primaries as XYZ */
		double wrgb[4][3] = {		/* Primaries in Yxy from the standard */
			{ 1.0, 0.3127, 0.3290 },	/* White */
			{ 1.0, 0.6400, 0.3300 },	/* Red */
			{ 1.0, 0.3000, 0.6000 },	/* Green */
			{ 1.0, 0.1500, 0.0600 }		/* Blue */
		};
		double mat[3][3];
		int i;

		/* Convert yxy to normalised 3x3 matrix */
		icmRGBYxyprim2matrix(wrgb[1], wrgb[2], wrgb[3], wrgb[0], mat, wrgb[0]);
		icmTranspose3x3(mat, mat);

#ifdef NEVER		/* Dump XYZ */
		printf("sRGB: XYZ\n");
		printf("{ %f, %f, %f }, /* Red */\n"
		       "{ %f, %f, %f }, /* Green */\n"
		       "{ %f, %f, %f }, /* Blue */\n"
		       "{ %f, %f, %f }  /* White */\n",
		mat[0][0], mat[0][1], mat[0][2],
		mat[1][0], mat[1][1], mat[1][2],
		mat[2][0], mat[2][1], mat[2][2],
		wrgb[0][0], wrgb[0][1], wrgb[0][2]);
#endif

#ifdef NEVER		/* Dump xyz */
{
	double mat2[4][3];
	double tt;

	for (i = 0; i < 3; i++) {
	
		tt = mat[i][0] + mat[i][1] + mat[i][2];
		mat2[i][0] = mat[i][0] / tt;
		mat2[i][1] = mat[i][1] / tt;
		mat2[i][2] = mat[i][2] / tt;
	}
	tt = wrgb[0][0] + wrgb[0][1] + wrgb[0][2];
	mat2[i][0] = wrgb[0][0] / tt;
	mat2[i][1] = wrgb[0][1] / tt;
	mat2[i][2] = wrgb[0][2] / tt;

	printf("sRGB: xyz\n");
	printf("{ %f, %f, %f },		/* Red */\n"
	       "{ %f, %f, %f },		/* Green */\n"
	       "{ %f, %f, %f },		/* Blue */\n"
	       "{ %f, %f, %f }		/* White */\n",
	mat2[0][0], mat2[0][1], mat2[0][2],
	mat2[1][0], mat2[1][1], mat2[1][2],
	mat2[2][0], mat2[2][1], mat2[2][2],
	mat2[3][0], mat2[3][1], mat2[3][2]);
}
#endif

		/* White Point Tag: */
		{
			icmXYZArray *wo;

			if ((wo = (icmXYZArray *)wr_icco->add_tag(
			           wr_icco, icSigMediaWhitePointTag, icSigXYZArrayType)) == NULL) 
				error("add_tag failed: %d, %s",wr_icco->errc,wr_icco->err);

			wo->size = 1;
			wo->allocate((icmBase *)wo);	/* Allocate space */
			wo->data[0].X = wrgb[0][0];
			wo->data[0].Y = wrgb[0][1];
			wo->data[0].Z = wrgb[0][2]; 
		}
		/* Black Point Tag: */
		{
			icmXYZArray *wo;

			if ((wo = (icmXYZArray *)wr_icco->add_tag(
			           wr_icco, icSigMediaBlackPointTag, icSigXYZArrayType)) == NULL) 
				error("add_tag failed: %d, %s",wr_icco->errc,wr_icco->err);

			wo->size = 1;
			wo->allocate((icmBase *)wo);	/* Allocate space */
			wo->data[0].X = 0.00;
			wo->data[0].Y = 0.00;
			wo->data[0].Z = 0.00;
		}
		/* Red, Green and Blue Colorant Tags: */
		{
			icmXYZNumber white;
			icmXYZArray *wor, *wog, *wob;
			double fromAbs[3][3];
			double d50m[3][3];

			/* Convert to D50 adapated */
			icmAry2XYZ(white, wrgb[0]);
			wr_icco->chromAdaptMatrix(wr_icco, ICM_CAM_NONE, NULL, fromAbs, icmD50, white);
			icmMulBy3x3(d50m[0], fromAbs, mat[0]);
			icmMulBy3x3(d50m[1], fromAbs, mat[1]);
			icmMulBy3x3(d50m[2], fromAbs, mat[2]);

			/* Make sure rounding doesn't wreck white point */
			quantizeRGBprimsS15Fixed16(d50m);

			if ((wor = (icmXYZArray *)wr_icco->add_tag(
			           wr_icco, icSigRedColorantTag, icSigXYZArrayType)) == NULL) 
					error("add_tag failed: %d, %s",rv,wr_icco->err);
			if ((wog = (icmXYZArray *)wr_icco->add_tag(
			           wr_icco, icSigGreenColorantTag, icSigXYZArrayType)) == NULL) 
				error("add_tag failed: %d, %s",rv,wr_icco->err);
			if ((wob = (icmXYZArray *)wr_icco->add_tag(
			           wr_icco, icSigBlueColorantTag, icSigXYZArrayType)) == NULL) 
				error("add_tag failed: %d, %s",rv,wr_icco->err);

			wor->size = wog->size = wob->size = 1;
			wor->allocate((icmBase *)wor);	/* Allocate space */
			wog->allocate((icmBase *)wog);
			wob->allocate((icmBase *)wob);
			wor->data[0].X = d50m[0][0]; wor->data[0].Y = d50m[0][1]; wor->data[0].Z = d50m[0][2];
			wog->data[0].X = d50m[1][0]; wog->data[0].Y = d50m[1][1]; wog->data[0].Z = d50m[1][2];
			wob->data[0].X = d50m[2][0]; wob->data[0].Y = d50m[2][1]; wob->data[0].Z = d50m[2][2];
		}
	}
	/* Red, Green and Blue Gamma Curve Tags: */
	{
		icmCurve *wor, *wog, *wob;
		int i;

		if ((wor = (icmCurve *)wr_icco->add_tag(
		           wr_icco, icSigRedTRCTag, icSigCurveType)) == NULL) 
			error("add_tag failed: %d, %s",rv,wr_icco->err);
		wor->flag = icmCurveSpec;
		wor->size = 1024;
		wor->allocate((icmBase *)wor);	/* Allocate space */
		for (i = 0; i < wor->size; i++)
			wor->data[i] = gdv2dv(i/(wor->size-1.0));

		/* Link other channels to the red */
		if ((wog = (icmCurve *)wr_icco->link_tag(
		           wr_icco, icSigGreenTRCTag, icSigRedTRCTag)) == NULL) 
			error("link_tag failed: %d, %s",rv,wr_icco->err);
		if ((wob = (icmCurve *)wr_icco->link_tag(
		           wr_icco, icSigBlueTRCTag, icSigRedTRCTag)) == NULL) 
			error("link_tag failed: %d, %s",rv,wr_icco->err);
	}

	/* Write the file out */
	if ((rv = wr_icco->write(wr_icco,wr_fp,0)) != 0)
		error ("Write file: %d, %s",rv,wr_icco->err);
	
	wr_icco->del(wr_icco);
	wr_fp->del(wr_fp);

	return 0;
}

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

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

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