From: "Thomas A. Schmitz" <thomas.schmitz@uni-bonn.de>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: fitting a picture to the available space
Date: Thu, 11 Sep 2008 18:20:43 +0200 [thread overview]
Message-ID: <3452072A-ED37-44F0-BC02-C4386C288080@uni-bonn.de> (raw)
In-Reply-To: <115224fb0809110713w734719bl2c547d8897a0c442@mail.gmail.com>
On Sep 11, 2008, at 4:13 PM, Wolfgang Schuster wrote:
> On Thu, Sep 11, 2008 at 3:28 PM, Thomas A. Schmitz
> <thomas.schmitz@uni-bonn.de> wrote:
>>
>> On Sep 11, 2008, at 10:04 AM, Thomas A. Schmitz wrote:
>>
>>>
>>> On Sep 11, 2008, at 9:28 AM, Hans Hagen wrote:
>>>
>>>> \starttext
>>>>
>>>> \framed[width=5cm,height4cm]{\externalfigure[mill.png]
>>>> [maxwidth=3cm,maxheight=4cm,width=10cm]}
>>>>
>>>> \stoptext
>>>>
>>>> seems to work
>>>
>>> Ah of course! I could set the width to an absurdly high number and
>>> so
>>> make sure that it will always reach the maxheight/maxwidth, no
>>> matter
>>> what the ratio! This seems to work, thanks a lot!
>>>
>>
>> Alas, I spake too soon. Here is an example:
>>
>> \starttext
>>
>> \framed[frame=on,strut=no,width=8cm,height=2cm]
>> {\externalfigure[mill.png][maxwidth=8cm,maxheight=2cm,width=10cm]}
>>
>> \stoptext
>>
>> I would expect the picture to stay within the maxheight, but it
>> doesn't.
>
> You could write your own macros and comapre the width/height ration
> of the
> picture with the reation of the box, is simple example is shown below.
>
> \starttext
>
> \start
>
> \setbox\scratchbox\vbox{\externalfigure[mill]}
>
> \dimen0=\wd\scratchbox
> \dimen2=\ht\scratchbox
>
> \framed[frame=on,strut=no,width=8cm,height=2cm]
> {\dimen1=\hsize \divide\dimen1 by \dimen0
> \dimen3=\vsize \divide\dimen3 by \dimen2
> \ifdim\dimen1>\dimen3
> \externalfigure[mill][height=\vsize]
> \else
> \externalfigure[mill][width=\hsize]
> \fi}
>
> \framed[frame=on,strut=no,width=2cm,height=8cm]
> {\dimen1=\hsize \divide\dimen1 by \dimen0
> \dimen3=\vsize \divide\dimen3 by \dimen2
> \ifdim\dimen1>\dimen3
> \externalfigure[mill][height=\vsize]
> \else
> \externalfigure[mill][width=\hsize]
> \fi}
>
> \stop
>
> \stoptext
>
> Wolfgang
Wolfgang,
as always, you're a source of wisdom and knowledge... Just I
understand this correctly and can adapt it to my macro: \dimen1=
\hsize: here \hsize refers to the size of the \framed inside which
we're operating, right?
Thomas
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next prev parent reply other threads:[~2008-09-11 16:20 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-10 22:06 Thomas A. Schmitz
2008-09-11 7:28 ` Hans Hagen
2008-09-11 8:04 ` Thomas A. Schmitz
2008-09-11 13:28 ` Thomas A. Schmitz
2008-09-11 14:01 ` Peter Rolf
2008-09-11 14:40 ` Thomas A. Schmitz
2008-09-11 14:56 ` Hans Hagen
2008-09-11 14:13 ` Wolfgang Schuster
2008-09-11 16:20 ` Thomas A. Schmitz [this message]
2008-09-11 16:39 ` Hans Hagen
2008-09-11 17:59 ` Thomas A. Schmitz
2008-09-11 21:50 ` Thomas A. Schmitz
2008-09-12 7:14 ` Wolfgang Schuster
2008-09-12 12:37 ` Thomas A. Schmitz
2008-09-11 16:31 ` Mojca Miklavec
2008-09-12 10:02 ` Wolfgang Schuster
2008-09-12 15:20 ` Mojca Miklavec
2008-09-12 15:37 ` Hans Hagen
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