[magick-users] convert -fill/-opaque semantics change? (6.0.7.1 -> 6.2.8.0)

Anthony Thyssen anthony at griffith.edu.au
Sun Mar 11 22:45:47 CDT 2007


Jos Vos on  wrote...
| On Sun, Mar 11, 2007 at 12:51:25PM +1000, Anthony Thyssen wrote:
| 
| > Jos Vos on  wrote...
| 
| > | In the meantime I found some articles (not directly related to my
| > | problem) with Google and this seems to work:
| > | 
| > |   convert -channel RGBA -matte -fill \#ff00007f -opaque \#00ff00 input output
| 
| > What are you input and output image formats.  It looks like that is
| > interfering with the results.
| 
| Input: PPM, output: PNG.

Could you have changed from a Q8 to Q16 version of IM?

In Q16 your color specifications may not be matching exactly.
Rememebr -opaque is an exact color match, unless a -fuzz is used
to do fuzzy color matching.

Try adding a   -fuzz 1%    and see if that fixes your problem.

  Anthony Thyssen ( System Programmer )    <A.Thyssen at griffith.edu.au>
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         "Suddenly everything goes dark.
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