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December 2003

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2003.12.24 18:04 "writing custom tags with TIFFSetField", by Carl J Collin

2003.12.26 11:51 "Re: writing custom tags with TIFFSetField", by Andrey Kiselev

2003.12.26 18:02 "Error with sample code to copy a custom tag", by Carl J Collin

2003.12.26 18:32 "Re: Error with sample code to copy a custom tag", by Andrey Kiselev

2003.12.26 18:48 "CopyTag error again...", by Carl J Collin

2003.12.26 19:17 "Re: CopyTag error again...", by Andrey Kiselev

2003.12.26 18:32 "Re: Error with sample code to copy a custom tag", by Andrey Kiselev

On Fri, Dec 26, 2003 at 12:02:55PM -0600, Carl J. Collin wrote:
> the copytag source code you sent me doesn't work.  The error I receive...
> _TIFFVSetField: Warning,  ... pass by value not implemented..
> TIFFVGetField ... pass by value not imp.
> _TIFFVSetField: Warning,  ... pass by value not implemented..
> Carl2.tif: Error writing data for field "Wang".
> Do you have any ideas?

Yes... I didn't check that code, so I have made a mistake. Following
patch should solve the problem.


--- copytag.c.bak	Fri Dec 26 21:30:08 2003
+++ copytag.c	Fri Dec 26 21:30:15 2003
@@ -6,7 +6,7 @@
 static void TagExtender(TIFF *tiff)
 {
     static const TIFFFieldInfo xtiffFieldInfo[] = {
-        { TIFFTAG_WANG, -1, -1, TIFF_BYTE,  FIELD_CUSTOM,   1,  0,  "Wang" }
+        { TIFFTAG_WANG, -1, -1, TIFF_BYTE,  FIELD_CUSTOM,   0,  1,  "Wang" }
     };
 
     TIFFMergeFieldInfo(tiff, xtiffFieldInfo,



-- 
Andrey V. Kiselev
Home phone:  +7 812 5274898  ICQ# 26871517