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Diffstat (limited to 'tiff/contrib/dbs/tiff-rgb.c')
-rwxr-xr-xtiff/contrib/dbs/tiff-rgb.c201
1 files changed, 201 insertions, 0 deletions
diff --git a/tiff/contrib/dbs/tiff-rgb.c b/tiff/contrib/dbs/tiff-rgb.c
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+++ b/tiff/contrib/dbs/tiff-rgb.c
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+/* $Id: tiff-rgb.c,v 1.4 2010-06-08 18:55:15 bfriesen Exp $ */
+
+/*
+ * tiff-rgb.c -- create a 24-bit Class R (rgb) 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 <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "tiffio.h"
+
+#define ROUND(x) (uint16) ((x) + 0.5)
+#define CMSIZE 256
+#define WIDTH 525
+#define HEIGHT 512
+#define TIFF_GAMMA 2.2
+
+void Usage();
+char * programName;
+
+int main(int argc, char **argv)
+{
+ char * input_file = NULL;
+ double image_gamma = TIFF_GAMMA;
+ int i, j;
+ TIFF * tif;
+ unsigned char * scan_line;
+ uint16 red[CMSIZE], green[CMSIZE], blue[CMSIZE];
+ float refblackwhite[2*3];
+
+ programName = argv[0];
+
+ switch (argc) {
+ case 2:
+ image_gamma = TIFF_GAMMA;
+ input_file = argv[1];
+ break;
+ case 4:
+ if (!strcmp(argv[1], "-gamma")) {
+ image_gamma = atof(argv[2]);
+ input_file = argv[3];
+ } else
+ Usage();
+ break;
+ default:
+ Usage();
+ }
+
+ for (i = 0; i < CMSIZE; i++) {
+ if (i == 0)
+ red[i] = green[i] = blue[i] = 0;
+ else {
+ red[i] = ROUND((pow(i / 255.0, 1.0 / image_gamma) * 65535.0));
+ green[i] = ROUND((pow(i / 255.0, 1.0 / image_gamma) * 65535.0));
+ blue[i] = ROUND((pow(i / 255.0, 1.0 / image_gamma) * 65535.0));
+ }
+ }
+ refblackwhite[0] = 0.0; refblackwhite[1] = 255.0;
+ refblackwhite[2] = 0.0; refblackwhite[3] = 255.0;
+ refblackwhite[4] = 0.0; refblackwhite[5] = 255.0;
+
+ if ((tif = TIFFOpen(input_file, "w")) == NULL) {
+ fprintf(stderr, "can't open %s as a TIFF file\n", input_file);
+ exit(0);
+ }
+
+ TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, WIDTH);
+ TIFFSetField(tif, TIFFTAG_IMAGELENGTH, HEIGHT);
+ TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8);
+ TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_NONE);
+ TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
+ TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3);
+ TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
+ TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
+ TIFFSetField(tif, TIFFTAG_RESOLUTIONUNIT, RESUNIT_NONE);
+#ifdef notdef
+ TIFFSetField(tif, TIFFTAG_WHITEPOINT, whitex, whitey);
+ TIFFSetField(tif, TIFFTAG_PRIMARYCHROMATICITIES, primaries);
+#endif
+ TIFFSetField(tif, TIFFTAG_REFERENCEBLACKWHITE, refblackwhite);
+ TIFFSetField(tif, TIFFTAG_TRANSFERFUNCTION, red, green, blue);
+
+ scan_line = (unsigned char *) malloc(WIDTH * 3);
+
+ for (i = 0; i < 255; i++) {
+ for (j = 0; j < 75; j++) {
+ scan_line[j * 3] = 255;
+ scan_line[(j * 3) + 1] = 255 - i;
+ scan_line[(j * 3) + 2] = 255 - i;
+ }
+ for (j = 75; j < 150; j++) {
+ scan_line[j * 3] = 255 - i;
+ scan_line[(j * 3) + 1] = 255;
+ scan_line[(j * 3) + 2] = 255 - i;
+ }
+ for (j = 150; j < 225; j++) {
+ scan_line[j * 3] = 255 - i;
+ scan_line[(j * 3) + 1] = 255 - i;
+ scan_line[(j * 3) + 2] = 255;
+ }
+ for (j = 225; j < 300; j++) {
+ scan_line[j * 3] = (i - 1) / 2;
+ scan_line[(j * 3) + 1] = (i - 1) / 2;
+ scan_line[(j * 3) + 2] = (i - 1) / 2;
+ }
+ for (j = 300; j < 375; j++) {
+ scan_line[j * 3] = 255 - i;
+ scan_line[(j * 3) + 1] = 255;
+ scan_line[(j * 3) + 2] = 255;
+ }
+ for (j = 375; j < 450; j++) {
+ scan_line[j * 3] = 255;
+ scan_line[(j * 3) + 1] = 255 - i;
+ scan_line[(j * 3) + 2] = 255;
+ }
+ for (j = 450; j < 525; j++) {
+ scan_line[j * 3] = 255;
+ scan_line[(j * 3) + 1] = 255;
+ scan_line[(j * 3) + 2] = 255 - i;
+ }
+ TIFFWriteScanline(tif, scan_line, i, 0);
+ }
+ for (i = 255; i < 512; i++) {
+ for (j = 0; j < 75; j++) {
+ scan_line[j * 3] = i;
+ scan_line[(j * 3) + 1] = 0;
+ scan_line[(j * 3) + 2] = 0;
+ }
+ for (j = 75; j < 150; j++) {
+ scan_line[j * 3] = 0;
+ scan_line[(j * 3) + 1] = i;
+ scan_line[(j * 3) + 2] = 0;
+ }
+ for (j = 150; j < 225; j++) {
+ scan_line[j * 3] = 0;
+ scan_line[(j * 3) + 1] = 0;
+ scan_line[(j * 3) + 2] = i;
+ }
+ for (j = 225; j < 300; j++) {
+ scan_line[j * 3] = (i - 1) / 2;
+ scan_line[(j * 3) + 1] = (i - 1) / 2;
+ scan_line[(j * 3) + 2] = (i - 1) / 2;
+ }
+ for (j = 300; j < 375; j++) {
+ scan_line[j * 3] = 0;
+ scan_line[(j * 3) + 1] = i;
+ scan_line[(j * 3) + 2] = i;
+ }
+ for (j = 375; j < 450; j++) {
+ scan_line[j * 3] = i;
+ scan_line[(j * 3) + 1] = 0;
+ scan_line[(j * 3) + 2] = i;
+ }
+ for (j = 450; j < 525; j++) {
+ scan_line[j * 3] = i;
+ scan_line[(j * 3) + 1] = i;
+ scan_line[(j * 3) + 2] = 0;
+ }
+ TIFFWriteScanline(tif, scan_line, i, 0);
+ }
+
+ free(scan_line);
+ TIFFClose(tif);
+ exit(0);
+}
+
+void
+Usage()
+{
+ fprintf(stderr, "Usage: %s -gamma gamma tiff-image\n", programName);
+ exit(0);
+}
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 8
+ * fill-column: 78
+ * End:
+ */