Hi Everyone,

I saw a very old posting posting from you on the JAVA2D interest group about
color conversion and

Rendering intent quote:



"When JAI detects ColorSpaces based on ICC profiles, it uses the Java2D

ColorConvertOp class (java.awt.image.ColorConvertOp) to do color

conversions.  This class invokes native methods in the color management

engine.  ColorConvertOp currently supports only Perceptual intent.  The

only way in the Java2D API to get Relative Colorimetric intent is to call

the toCIEXYZ/fromCIEXYZ methods on ColorSpace, which requires a lot of

per pixel overhead.  We would be interested to hear any requirements

you have concerning rendering intents."



Here is my angle:

Absolute Colorimetric is a must in any color management framework and
software for soft-proofing printed output on the screen.

Example:

Let's say I have an Image that is ready to print on press, CMYK composite
tiff file and I want to soft-proof it on the screen.

I have to open the Image and then convert it from the press profile to the
screen profile.

However If I want to simulate the color of the paper that will be printed
(In Newspapers for example it could be "grayish" or "yellowish") I have to
use the Absolute Colorimetric (Any other conversion "moves" the white point
and won't create this affect).



The absence of Absolute Colorimetric prevents me from using Java to do color
conversions for soft proofing at all at this time (Have to use another
language)



Has anything changed since this old posting, any plans for future changes in
Java2D or JAI ???



Ilang.

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