285 lines
7.6 KiB
C
285 lines
7.6 KiB
C
/* $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:
|
|
*/
|