Ryujin on wrote...
| I was assigned the task of creating some PNG images for Digital
| Broadcasting and the standard I need to follow
| (http://www.dibeg.org/aribstd/ARIBSTD.htm) says in STD-B24 Version 5.1
| Vol-1 section 5.3 and 5.3.1:
|
| /* Quote from section 5.3.1 */
|
| When the color type is "3" (palette index), PLTE chunk in the PNG data
| is omitted. In this case, CLUT should be presented in the multimedia
| contents and the receiver should not refer PLTE chunk but should refer
| the outside CLUT.
|
| /* End Quote */
|
| My question is if ImageMagick is able to create this external CLUT
| file?? the documentation shows a -clut command but is for replacing the
| current palette with a different one. I need to extract the current
| palette (PLTE chunk) from a PNG image and create a CLUT file with it.
|
| any help is greatly appreciated....
|
You may need to take a step back and find out if the acranyms CLUT have
the same meaning.
In ImageMagick CLUT means "Color Look Up Table"
In PLTE chunk of PNG it may mean something else.
Anthony Thyssen ( System Programmer ) <[EMAIL PROTECTED]>
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Imagine if every Thursday your shoes exploded if you tied them the
usual way. This happens to us all the time with computers, and
nobody thinks of complaining. -- Jef Raskin
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Anthony's Home is his Castle http://www.cit.gu.edu.au/~anthony/
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