2003.12.19 07:14 "[Tiff] Reading and writing out TIFFTAG_CLIPPATH", by Jae
Ho Lee
Thread
2003.12.26 11:37 "Re: [Tiff] Reading and writing out TIFFTAG_CLIPPATH", by Andrey Kiselev
Hello,
But I still could not write PHOTOSHOP tag data to newly created tiff image until I made below changes to TIFFWriteNormalTag() fuction in tif_dirwrite.c file.
I can't reproduce your problem with the file you sent to me. Attached sample program works well and Photoshop tag is properly copied to the output image.
Andrey V. Kiselev
Home phone: +7 812 5274898 ICQ# 26871517
#include <stdio.h>
#include <stdlib.h>
#include "tiffio.h"
int main (int argc, char **argv)
{
unsigned int i, count;
TIFF *in, *out;
uint16 spp, bpp, photo;
uint32 image_width, image_height;
char *buf, *photoshop;
in = TIFFOpen(argv[1], "r");
if (!in)
{
fprintf (stderr, "Can't open %s for reading\n", argv[1]);
return 2;
}
TIFFGetField(in, TIFFTAG_IMAGELENGTH, &image_height);
TIFFGetField(in, TIFFTAG_BITSPERSAMPLE, &bpp);
TIFFGetField(in, TIFFTAG_SAMPLESPERPIXEL, &spp);
TIFFGetField(in, TIFFTAG_PHOTOMETRIC, &photo);
TIFFGetField(in, TIFFTAG_PHOTOSHOP, &count, &photoshop);
fprintf(stdout, "Photoshop tag length: %d\n", count);
image_width = TIFFScanlineSize(in);
buf = malloc(image_width * image_height);
for (i = 0; i < image_height; i++)
TIFFReadScanline(in, &buf[i * image_width], i, 0);
out = TIFFOpen("out.in", "w");
TIFFSetField(out, TIFFTAG_IMAGEWIDTH, image_width / spp);
TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, bpp);
TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, spp);
TIFFSetField(out, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
TIFFSetField(out, TIFFTAG_PHOTOMETRIC, photo);
TIFFSetField(out, TIFFTAG_PHOTOSHOP, count, photoshop);
TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, TIFFDefaultStripSize(out, 0));
for (i = 0; i < image_height; i++)
TIFFWriteScanline(out, &buf[i * image_width], i, 0);
TIFFClose(out);
TIFFClose(in);
return 0;
}