From: Hans Hagen <pragma@wxs.nl>
To: Peter Rolf <indiego@gmx.net>
Cc: mailing list for ConTeXt users <ntg-context@ntg.nl>,
Kip Warner <kip@thevertigo.com>
Subject: Re: Rendering differences between PDF viewers
Date: Tue, 24 Apr 2012 14:42:29 +0200 [thread overview]
Message-ID: <4F969FB5.7080806@wxs.nl> (raw)
In-Reply-To: <4F91154D.3020407@gmx.net>
On 20-4-2012 09:50, Peter Rolf wrote:
> Am 19.04.2012 20:25, schrieb Hans Hagen:
>> On 18-4-2012 13:12, Peter Rolf wrote:
>>
>>> I understand that there is no easy or general solution for this.
>>> But on the other hand is PNG currently the only way to use transparent
>>> bitmaps in TeX. The usage of transparent PNG is quite common, so this is
>>> a general problem that should be solved.
>>>
>>> I like your idea of automatically adding such groups, if the user
>>> declares the color space beforehand. Also no answer for the spot color
>>> problem, but as long as the user does not limit the used color spaces,
>>> things can stay as they are. Just my 2 cents.
>>
>> so first wen need to test with mixed color space documents and such
>> hacks to see what happens (as we don't want invalid documents)
>>
>
> ok. i don't expect any formal problems, only more or less ugly color
> shifts. anyhow, we will see.
>
> needs some thinking about proper examples (colored text, vector and
> pixel based graphics in RGB,CMYK,Spot)...
> i think 'draw ColorCircle(..)' is a perfect candidate for the complete
> graphic part. one page with transparency and also one page without any
> transparency (the page group shouldn't kick in). later on we can add
> some icc profiles to spice things up.
>
> i'll start to make a test document on the weekend then. if i have missed
> something important, let me know. any additional ideas are also welcome :-)
as a prelude, the next beta will have
\setupcolors[pagecolormodel=rgb] % gray rgb cmyk auto none
and issue a warning when no model is set when using transparencies
Hans
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next prev parent reply other threads:[~2012-04-24 12:42 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-15 6:00 Kip Warner
2012-04-15 9:07 ` Mojca Miklavec
2012-04-16 23:43 ` Kip Warner
2012-04-15 16:00 ` Hans Hagen
2012-04-16 23:44 ` Kip Warner
2012-04-17 6:54 ` Hans Hagen
2012-04-17 6:57 ` Kip Warner
2012-04-17 9:53 ` Peter Rolf
2012-04-17 10:12 ` Hans Hagen
2012-04-17 10:48 ` Peter Rolf
2012-04-18 0:49 ` Kip Warner
2012-04-18 6:47 ` Martin Schröder
2012-04-18 7:19 ` luigi scarso
2012-04-18 10:58 ` Martin Schröder
2012-04-19 18:26 ` Hans Hagen
2012-04-18 22:54 ` Kip Warner
2012-04-18 7:38 ` Hans Hagen
2012-04-18 11:12 ` Peter Rolf
2012-04-19 18:25 ` Hans Hagen
2012-04-20 7:50 ` Peter Rolf
2012-04-24 12:42 ` Hans Hagen [this message]
2012-04-24 13:37 ` Peter Rolf
2012-04-25 16:08 ` Peter Rolf
2012-04-24 23:34 ` Kip Warner
2012-04-28 15:52 ` Peter Rolf
2012-04-28 18:25 ` Kip Warner
2012-04-18 22:58 ` Kip Warner
2012-04-18 0:26 ` Kip Warner
2012-04-17 7:12 ` Alan BRASLAU
2012-04-17 7:31 ` luigi scarso
2012-04-17 7:42 ` Hans Hagen
2012-04-17 8:05 ` luigi scarso
2012-04-18 0:24 ` Kip Warner
2012-04-17 18:57 ` Kip Warner
[not found] ` <CAPm68ZimT3cbuhwqTgG+OXXiA_RHaA2snOT05rO-J_iWjodCQA@mail.gmail.com>
2012-04-18 0:21 ` Kip Warner
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