src/tiff/contrib/dbs/tiff-palette.c

   1 /* $Id$ */
   2
   3 /*
   4  * tiff-palette.c -- create a Class P (palette) TIFF file
   5  *
   6  * Copyright 1990 by Digital Equipment Corporation, Maynard, Massachusetts.
   7  *
   8  *                        All Rights Reserved
   9  *
  10  * Permission to use, copy, modify, and distribute this software and its
  11  * documentation for any purpose and without fee is hereby granted,
  12  * provided that the above copyright notice appear in all copies and that
  13  * both that copyright notice and this permission notice appear in
  14  * supporting documentation, and that the name of Digital not be
  15  * used in advertising or publicity pertaining to distribution of the
  16  * software without specific, written prior permission.
  17  *
  18  * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  19  * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  20  * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  21  * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  22  * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  23  * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  24  * SOFTWARE.
  25  */
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30
  31 #include "tiffio.h"
  32
  33 #define WIDTH       512
  34 #define HEIGHT      WIDTH
  35 #define SCALE(x)    ((x) * 257L)
  36
  37 char *              programName;
  38 void                Usage();
  39
  40 int main(int argc, char **argv)
  41 {
  42     int             bits_per_pixel = 8, cmsize, i, j, k,
  43                     cmap_index, chunk_size = 32, nchunks = 16;
  44     unsigned char * scan_line;
  45     uint16          *red, *green, *blue;
  46     TIFF *          tif;
  47
  48     programName = argv[0];
  49
  50     if (argc != 4)
  51         Usage();
  52
  53     if (!strcmp(argv[1], "-depth"))
  54          bits_per_pixel = atoi(argv[2]);
  55     else
  56          Usage();
  57
  58     switch (bits_per_pixel) {
  59         case 8:
  60             nchunks = 16;
  61             chunk_size = 32;
  62             break;
  63         case 4:
  64             nchunks = 4;
  65             chunk_size = 128;
  66             break;
  67         case 2:
  68             nchunks = 2;
  69             chunk_size = 256;
  70             break;
  71         case 1:
  72             nchunks = 2;
  73             chunk_size = 256;
  74             break;
  75         default:
  76             Usage();
  77     }
  78
  79     if (bits_per_pixel != 1) {
  80         cmsize = nchunks * nchunks;
  81     } else {
  82         cmsize = 2;
  83     }
  84     red = (uint16 *) malloc(cmsize * sizeof(uint16));
  85     green = (uint16 *) malloc(cmsize * sizeof(uint16));
  86     blue = (uint16 *) malloc(cmsize * sizeof(uint16));
  87
  88     switch (bits_per_pixel) {
  89     case 8:
  90         for (i = 0; i < cmsize; i++) {
  91             if (i < 32)
  92                 red[i] = 0;
  93             else if (i < 64)
  94                 red[i] = SCALE(36);
  95             else if (i < 96)
  96                 red[i] = SCALE(73);
  97             else if (i < 128)
  98                 red[i] = SCALE(109);
  99             else if (i < 160)
 100                 red[i] = SCALE(146);
 101             else if (i < 192)
 102                 red[i] = SCALE(182);
 103             else if (i < 224)
 104                 red[i] = SCALE(219);
 105             else if (i < 256)
 106                 red[i] = SCALE(255);
 107
 108             if ((i % 32) < 4)
 109                 green[i] = 0;
 110             else if (i < 8)
 111                 green[i] = SCALE(36);
 112             else if ((i % 32) < 12)
 113                 green[i] = SCALE(73);
 114             else if ((i % 32) < 16)
 115                 green[i] = SCALE(109);
 116             else if ((i % 32) < 20)
 117                 green[i] = SCALE(146);
 118             else if ((i % 32) < 24)
 119                 green[i] = SCALE(182);
 120             else if ((i % 32) < 28)
 121                 green[i] = SCALE(219);
 122             else if ((i % 32) < 32)
 123                 green[i] = SCALE(255);
 124
 125             if ((i % 4) == 0)
 126                 blue[i] = SCALE(0);
 127             else if ((i % 4) == 1)
 128                 blue[i] = SCALE(85);
 129             else if ((i % 4) == 2)
 130                 blue[i] = SCALE(170);
 131             else if ((i % 4) == 3)
 132                 blue[i] = SCALE(255);
 133         }
 134         break;
 135     case 4:
 136         red[0] = SCALE(255);
 137         green[0] = 0;
 138         blue[0] = 0;
 139
 140         red[1] = 0;
 141         green[1] = SCALE(255);
 142         blue[1] = 0;
 143
 144         red[2] = 0;
 145         green[2] = 0;
 146         blue[2] = SCALE(255);
 147
 148         red[3] = SCALE(255);
 149         green[3] = SCALE(255);
 150         blue[3] = SCALE(255);
 151
 152         red[4] = 0;
 153         green[4] = SCALE(255);
 154         blue[4] = SCALE(255);
 155
 156         red[5] = SCALE(255);
 157         green[5] = 0;
 158         blue[5] = SCALE(255);
 159
 160         red[6] = SCALE(255);
 161         green[6] = SCALE(255);
 162         blue[6] = 0;
 163
 164         red[7] = 0;
 165         green[7] = 0;
 166         blue[7] = 0;
 167
 168         red[8] = SCALE(176);
 169         green[8] = SCALE(224);
 170         blue[8] = SCALE(230);
 171         red[9] = SCALE(100);
 172         green[9] = SCALE(149);
 173         blue[9] = SCALE(237);
 174         red[10] = SCALE(46);
 175         green[10] = SCALE(139);
 176         blue[10] = SCALE(87);
 177         red[11] = SCALE(160);
 178         green[11] = SCALE(82);
 179         blue[11] = SCALE(45);
 180         red[12] = SCALE(238);
 181         green[12] = SCALE(130);
 182         blue[12] = SCALE(238);
 183         red[13] = SCALE(176);
 184         green[13] = SCALE(48);
 185         blue[13] = SCALE(96);
 186         red[14] = SCALE(50);
 187         green[14] = SCALE(205);
 188         blue[14] = SCALE(50);
 189         red[15] = SCALE(240);
 190         green[15] = SCALE(152);
 191         blue[15] = SCALE(35);
 192         break;
 193     case 2:
 194         red[0] = SCALE(255);
 195         green[0] = 0;
 196         blue[0] = 0;
 197
 198         red[1] = 0;
 199         green[1] = SCALE(255);
 200         blue[1] = 0;
 201
 202         red[2] = 0;
 203         green[2] = 0;
 204         blue[2] = SCALE(255);
 205         red[3] = SCALE(255);
 206         green[3] = SCALE(255);
 207         blue[3] = SCALE(255);
 208         break;
 209     case 1:
 210         red[0] = 0;
 211         green[0] = 0;
 212         blue[0] = 0;
 213
 214         red[1] = SCALE(255);
 215         green[1] = SCALE(255);
 216         blue[1] = SCALE(255);
 217         break;
 218     }
 219
 220     if ((tif = TIFFOpen(argv[3], "w")) == NULL) {
 221         fprintf(stderr, "can't open %s as a TIFF file\n", argv[3]);
 222                 free(red);free(green);free(blue);
 223         return 0;
 224     }
 225
 226     TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, WIDTH);
 227     TIFFSetField(tif, TIFFTAG_IMAGELENGTH, HEIGHT);
 228     TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bits_per_pixel);
 229     TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_NONE);
 230     TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_PALETTE);
 231     TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1);
 232     TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
 233     TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
 234     TIFFSetField(tif, TIFFTAG_RESOLUTIONUNIT, RESUNIT_NONE);
 235     TIFFSetField(tif, TIFFTAG_COLORMAP, red, green, blue);
 236
 237     scan_line = (unsigned char *) malloc(WIDTH / (8 / bits_per_pixel));
 238
 239     for (i = 0; i < HEIGHT; i++) {
 240         for (j = 0, k = 0; j < WIDTH;) {
 241             cmap_index = (j / chunk_size) + ((i / chunk_size) * nchunks);
 242
 243             switch (bits_per_pixel) {
 244             case 8:
 245                 scan_line[k++] = cmap_index;
 246                 j++;
 247                 break;
 248             case 4:
 249                 scan_line[k++] = (cmap_index << 4) + cmap_index;
 250                 j += 2;
 251                 break;
 252             case 2:
 253                 scan_line[k++] = (cmap_index << 6) + (cmap_index << 4)
 254                     + (cmap_index << 2) + cmap_index;
 255                 j += 4;
 256                 break;
 257             case 1:
 258                 scan_line[k++] =
 259                         ((j / chunk_size) == (i / chunk_size)) ? 0x00 : 0xff;
 260                 j += 8;
 261                 break;
 262             }
 263         }
 264         TIFFWriteScanline(tif, scan_line, i, 0);
 265     }
 266
 267     free(scan_line);
 268     TIFFClose(tif);
 269     return 0;
 270 }
 271
 272 void
 273 Usage()
 274 {
 275     fprintf(stderr, "Usage: %s -depth (8 | 4 | 2 | 1) tiff-image\n", programName);
 276     exit(0);
 277 }
 278 /*
 279  * Local Variables:
 280  * mode: c
 281  * c-basic-offset: 8
 282  * fill-column: 78
 283  * End:
 284  */