Re: Transparency attribute in Bitmap class

Kei Takikawa (takikawa@po.ntts.co.jp)
Tue, 03 Feb 1998 21:33:33 +0900

Dear colleagues,

> I have found incredible that the dropOutColour attribute that was in DIS
> has simply disappeared in IS. This feature is so widely used in the TV
> world that this big loss always make authors angry.

The DropOutColour, as well as a colour palette, should be specified in
content data: Actually, bitmap files like PNG and GIF have a colour palette
and a DropOutColour definition themselves. Then, I do not see any reason to
have them in MHEG attributes.

Regards,

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Kei Takikawa $B!JBl@n!!7<!K(J
NTT Software Corporation, JAPAN

Tel: +81 45 212 8023
Fax: +81 45 212 8015
e-mail: takikawa@po.ntts.co.jp
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