From: Mojca Miklavec <mojca.miklavec.lists@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: transluency/transparency
Date: Mon, 4 Jun 2012 16:36:31 +0200 [thread overview]
Message-ID: <CALBOmsZ--5zYeSFy+sv-fygpCyOvkn157+a+tLsaN0F_WRZywQ@mail.gmail.com> (raw)
In-Reply-To: <76BAB7C4-D014-4399-B624-9F23B3AF498E@emory.edu>
On Mon, Jun 4, 2012 at 2:02 PM, Rogers, Michael K wrote:
> On Jun 4, 2012, at 5:45 AM, Jan Pohanka wrote:
>
>>> See page 204, section 8.5 of the metafun book
>>>
>>> loadfigure "gracht.mp" number 1 scaled .5 ;
>>> addto currentpicture also
>>> (currentpicture softened .8)
>>> shifted (bbwidth(currentpicture)+.5cm,0) ;
>>>
>>
>> thank you for the hint, but it seems, that softened does not work for externalfigure
>>
>> \startMPcode
>> draw externalfigure "logo.pdf" scaled 5cm softened 0.5;
>> \stopMPcode
>>
>> <inserted text> ...lable:=true; ;;;;]===], false)}
>>
>> \meta_process_graphic ...!!es , \MPaskedfigure )}}
>> \egroup \placeMPgraphic \m...
>>
>> regards
>> Jan
>
> What about drawing a translucent white rectangle over the graphic?
I wanted to say that Hans already implemented some code to add
transparency (or even transparent masks) to bitmap images, but I'm
still not sure how to use that code.
However, drawing a transparent white rectangle over the bitmap graphic
would definitely be the easiest approach if you don't need to see
though the image.
Mojca
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prev parent reply other threads:[~2012-06-04 14:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-04 8:33 transluency/transparency Jan Pohanka
2012-06-04 8:47 ` transluency/transparency Alan BRASLAU
2012-06-04 9:45 ` transluency/transparency Jan Pohanka
2012-06-04 12:02 ` transluency/transparency Rogers, Michael K
2012-06-04 14:36 ` Mojca Miklavec [this message]
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