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Diffstat (limited to 'tiff/contrib/dbs/tiff-grayscale.c')
-rw-r--r--tiff/contrib/dbs/tiff-grayscale.c146
1 files changed, 0 insertions, 146 deletions
diff --git a/tiff/contrib/dbs/tiff-grayscale.c b/tiff/contrib/dbs/tiff-grayscale.c
deleted file mode 100644
index e8f474c..0000000
--- a/tiff/contrib/dbs/tiff-grayscale.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/* $Id: tiff-grayscale.c,v 1.4.2.1 2010-06-08 18:50:40 bfriesen Exp $ */
-
-/*
- * tiff-grayscale.c -- create a Class G (grayscale) TIFF file
- * with a gray response curve in linear optical density
- *
- * 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 <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "tiffio.h"
-
-#define WIDTH 512
-#define HEIGHT WIDTH
-
-char * programName;
-void Usage();
-
-int main(int argc, char **argv)
-{
- int bits_per_pixel = 8, cmsize, i, j, k,
- gray_index, chunk_size = 32, nchunks = 16;
- unsigned char * scan_line;
- uint16 * gray;
- float refblackwhite[2*1];
- 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;
- default:
- Usage();
- }
-
- cmsize = nchunks * nchunks;
- gray = (uint16 *) malloc(cmsize * sizeof(uint16));
-
- gray[0] = 3000;
- for (i = 1; i < cmsize; i++)
- gray[i] = (uint16) (-log10((double) i / (cmsize - 1)) * 1000);
-
- refblackwhite[0] = 0.0;
- refblackwhite[1] = (float)((1L<<bits_per_pixel) - 1);
-
- if ((tif = TIFFOpen(argv[3], "w")) == NULL) {
- fprintf(stderr, "can't open %s as a TIFF file\n", argv[3]);
- 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_MINISBLACK);
- TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1);
- TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
- TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
- TIFFSetField(tif, TIFFTAG_REFERENCEBLACKWHITE, refblackwhite);
- TIFFSetField(tif, TIFFTAG_TRANSFERFUNCTION, gray);
- TIFFSetField(tif, TIFFTAG_RESOLUTIONUNIT, RESUNIT_NONE);
-
- scan_line = (unsigned char *) malloc(WIDTH / (8 / bits_per_pixel));
-
- for (i = 0; i < HEIGHT; i++) {
- for (j = 0, k = 0; j < WIDTH;) {
- gray_index = (j / chunk_size) + ((i / chunk_size) * nchunks);
-
- switch (bits_per_pixel) {
- case 8:
- scan_line[k++] = gray_index;
- j++;
- break;
- case 4:
- scan_line[k++] = (gray_index << 4) + gray_index;
- j += 2;
- break;
- case 2:
- scan_line[k++] = (gray_index << 6) + (gray_index << 4)
- + (gray_index << 2) + gray_index;
- j += 4;
- break;
- }
- }
- TIFFWriteScanline(tif, scan_line, i, 0);
- }
-
- free(scan_line);
- TIFFClose(tif);
- return 0;
-}
-
-void
-Usage()
-{
- fprintf(stderr, "Usage: %s -depth (8 | 4 | 2) tiff-image\n", programName);
- exit(0);
-}
-/*
- * Local Variables:
- * mode: c
- * c-basic-offset: 8
- * fill-column: 78
- * End:
- */