/* $Id: tiff-palette.c,v 1.5 2010-06-08 18:55:15 bfriesen Exp $ */
/*
* tiff-palette.c -- create a Class P (palette) TIFF file
*
* Copyright 1990 by Digital Equipment Corporation, Maynard, Massachusetts.
*
* All Rights Reserved
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of Digital not be
* used in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
*
* DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
* DIGITAL 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 PERFORMANCE OF THIS
* SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "tiffio.h"
#define WIDTH 512
#define HEIGHT WIDTH
#define SCALE(x) ((x) * 257L)
char * programName;
void Usage();
int main(int argc, char **argv)
{
int bits_per_pixel = 8, cmsize, i, j, k,
cmap_index, chunk_size = 32, nchunks = 16;
unsigned char * scan_line;
uint16 *red, *green, *blue;
TIFF * tif;
programName = argv[0];
if (argc != 4)
Usage();
if (!strcmp(argv[1], "-depth"))
bits_per_pixel = atoi(argv[2]);
else
Usage();
switch (bits_per_pixel) {
case 8:
nchunks = 16;
chunk_size = 32;
break;
case 4:
nchunks = 4;
chunk_size = 128;
break;
case 2:
nchunks = 2;
chunk_size = 256;
break;
case 1:
nchunks = 2;
chunk_size = 256;
break;
default:
Usage();
}
if (bits_per_pixel != 1) {
cmsize = nchunks * nchunks;
} else {
cmsize = 2;
}
red = (uint16 *) malloc(cmsize * sizeof(uint16));
green = (uint16 *) malloc(cmsize * sizeof(uint16));
blue = (uint16 *) malloc(cmsize * sizeof(uint16));
switch (bits_per_pixel) {
case 8:
for (i = 0; i < cmsize; i++) {
if (i < 32)
red[i] = 0;
else if (i < 64)
red[i] = SCALE(36);
else if (i < 96)
red[i] = SCALE(73);
else if (i < 128)
red[i] = SCALE(109);
else if (i < 160)
red[i] = SCALE(146);
else if (i < 192)
red[i] = SCALE(182);
else if (i < 224)
red[i] = SCALE(219);
else if (i < 256)
red[i] = SCALE(255);
if ((i % 32) < 4)
green[i] = 0;
else if (i < 8)
green[i] = SCALE(36);
else if ((i % 32) < 12)
green[i] = SCALE(73);
else if ((i % 32) < 16)
green[i] = SCALE(109);
else if ((i % 32) < 20)
green[i] = SCALE(146);
else if ((i % 32) < 24)
green[i] = SCALE(182);
else if ((i % 32) < 28)
green[i] = SCALE(219);
else if ((i % 32) < 32)
green[i] = SCALE(255);
if ((i % 4) == 0)
blue[i] = SCALE(0);
else if ((i % 4) == 1)
blue[i] = SCALE(85);
else if ((i % 4) == 2)
blue[i] = SCALE(170);
else if ((i % 4) == 3)
blue[i] = SCALE(255);
}
break;
case 4:
red[0] = SCALE(255);
green[0] = 0;
blue[0] = 0;
red[1] = 0;
green[1] = SCALE(255);
blue[1] = 0;
red[2] = 0;
green[2] = 0;
blue[2] = SCALE(255);
red[3] = SCALE(255);
green[3] = SCALE(255);
blue[3] = SCALE(255);
red[4] = 0;
green[4] = SCALE(255);
blue[4] = SCALE(255);
red[5] = SCALE(255);
green[5] = 0;
blue[5] = SCALE(255);
red[6] = SCALE(255);
green[6] = SCALE(255);
blue[6] = 0;
red[7] = 0;
green[7] = 0;
blue[7] = 0;
red[8] = SCALE(176);
green[8] = SCALE(224);
blue[8] = SCALE(230);
red[9] = SCALE(100);
green[9] = SCALE(149);
blue[9] = SCALE(237);
red[10] = SCALE(46);
green[10] = SCALE(139);
blue[10] = SCALE(87);
red[11] = SCALE(160);
green[11] = SCALE(82);
blue[11] = SCALE(45);
red[12] = SCALE(238);
green[12] = SCALE(130);
blue[12] = SCALE(238);
red[13] = SCALE(176);
green[13] = SCALE(48);
blue[13] = SCALE(96);
red[14] = SCALE(50);
green[14] = SCALE(205);
blue[14] = SCALE(50);
red[15] = SCALE(240);
green[15] = SCALE(152);
blue[15] = SCALE(35);
break;
case 2:
red[0] = SCALE(255);
green[0] = 0;
blue[0] = 0;
red[1] = 0;
green[1] = SCALE(255);
blue[1] = 0;
red[2] = 0;
green[2] = 0;
blue[2] = SCALE(255);
red[3] = SCALE(255);
green[3] = SCALE(255);
blue[3] = SCALE(255);
break;
case 1:
red[0] = 0;
green[0] = 0;
blue[0] = 0;
red[1] = SCALE(255);
green[1] = SCALE(255);
blue[1] = SCALE(255);
break;
}
if ((tif = TIFFOpen(argv[3], "w")) == NULL) {
fprintf(stderr, "can't open %s as a TIFF file\n", argv[3]);
free(red);free(green);free(blue);
return 0;
}
TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, WIDTH);
TIFFSetField(tif, TIFFTAG_IMAGELENGTH, HEIGHT);
TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bits_per_pixel);
TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_NONE);
TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_PALETTE);
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1);
TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
TIFFSetField(tif, TIFFTAG_RESOLUTIONUNIT, RESUNIT_NONE);
TIFFSetField(tif, TIFFTAG_COLORMAP, red, green, blue);
scan_line = (unsigned char *) malloc(WIDTH / (8 / bits_per_pixel));
for (i = 0; i < HEIGHT; i++) {
for (j = 0, k = 0; j < WIDTH;) {
cmap_index = (j / chunk_size) + ((i / chunk_size) * nchunks);
switch (bits_per_pixel) {
case 8:
scan_line[k++] = cmap_index;
j++;
break;
case 4:
scan_line[k++] = (cmap_index << 4) + cmap_index;
j += 2;
break;
case 2:
scan_line[k++] = (cmap_index << 6) + (cmap_index << 4)
+ (cmap_index << 2) + cmap_index;
j += 4;
break;
case 1:
scan_line[k++] =
((j / chunk_size) == (i / chunk_size)) ? 0x00 : 0xff;
j += 8;
break;
}
}
TIFFWriteScanline(tif, scan_line, i, 0);
}
free(scan_line);
TIFFClose(tif);
return 0;
}
void
Usage()
{
fprintf(stderr, "Usage: %s -depth (8 | 4 | 2 | 1) tiff-image\n", programName);
exit(0);
}
/*
* Local Variables:
* mode: c
* c-basic-offset: 8
* fill-column: 78
* End:
*/