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Diffstat (limited to 'tiff/contrib/dbs/tiff-rgb.c')
| -rw-r--r-- | tiff/contrib/dbs/tiff-rgb.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/tiff/contrib/dbs/tiff-rgb.c b/tiff/contrib/dbs/tiff-rgb.c new file mode 100644 index 0000000..dcde673 --- /dev/null +++ b/tiff/contrib/dbs/tiff-rgb.c @@ -0,0 +1,201 @@ +/* $Id: tiff-rgb.c,v 1.3.2.1 2010-06-08 18:50:40 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: + */ |