Am 14.10.2010 21:33, schrieb Hans Hagen:
> On 14-10-2010 8:10, Brian Wedde wrote:
>> Is there any way to get access to the data about external figures? I
>> would like
>> to know the pixel height/width of the actual image.
>>
>> [I am trying to typeset a mass of html-based documents with images
>> using a
>> series of scripts. The images need to be positioned somewhat like they
>> would
>> be on the screen. However, the html itself carries no info about the
>> image.]
>
> in next beta (not today):
>
> \starttext
>
> \externalfigure[mill.png] % \calculateexternalfigure[mill.png]
>
> \starttabulate[|l|lT|Tl|]
> \HL
> \NC \tex{figurestatus} \NC \number\figurestatus \NC numexpr
> \NC \NR
> \NC \tex{figurewidth} \NC \figurewidth \NC \NC \NR
> \NC \tex{figureheight} \NC \figureheight \NC \NC \NR
> \NC \tex{figurexscale} \NC \figurexscale \NC \NC \NR
> \NC \tex{figureyscale} \NC \figureyscale \NC \NC \NR
> \HL
> \NC \tex{figuresize} \NC \figuresize \NC \NC \NR
> \NC \tex{figurelabel} \NC \figurelabel \NC \NC \NR
> \NC \tex{figurefileoriginal} \NC \figurefileoriginal \NC \NC \NR
> \NC \tex{figurefilepage} \NC \figurefilepage \NC \NC \NR
> \NC \tex{figurefileoptions} \NC \figurefileoptions \NC \NC \NR
> \NC \tex{figurefileconversion} \NC \figurefileconversion \NC \NC \NR
> \NC \tex{figurefilecache} \NC \figurefilecache \NC \NC \NR
> \NC \tex{figurefileprefix} \NC \figurefileprefix \NC \NC \NR
> \HL
> \NC \tex{figurenaturalwidth} \NC \figurenaturalwidth \NC \NC \NR
> \NC \tex{figurenaturalheight} \NC \figurenaturalheight \NC \NC \NR
> \NC \tex{figurexresolution} \NC \figurexresolution \NC \NC \NR
> \NC \tex{figureyresolution} \NC \figureyresolution \NC \NC \NR
> \NC \tex{figurexsize} \NC \figurexsize \NC \NC \NR
> \NC \tex{figureysize} \NC \figureysize \NC \NC \NR
> \NC \tex{figurecolordepth} \NC \figurecolordepth \NC \NC \NR
> \NC \tex{figuredepth} \NC \figuredepth \NC \NC \NR
> \HL
> \NC \tex{figurefilepath} \NC \figurefilepath \NC \NC \NR
> \NC \tex{figurefilename} \NC \figurefilename \NC \NC \NR
> \NC \tex{figurefiletype} \NC \figurefiletype \NC \NC \NR
> \NC \tex{figurefullname} \NC \figurefullname \NC \NC \NR
> \NC \tex{noffigurepages} \NC \noffigurepages \NC \NC \NR
> \HL
> \stoptabulate
>
> \stoptext
>
> most were already there, new are:
>
> figurexresolution
> figureyresolution
> figurexsize
> figureysize
> figurecolordepth
> figuredepth
>
Nice to have. Is this also possible from the lua side? I ask, because I
need the pixel size of a graphic for some border checking ('clip' a
frame out of a bitmap). Currently I use \getfiguredimensions from the
tex side, as I haven't found a way in lua yet.
Peter
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