How to get Previews of Corel Draw files (.cdr)

[Chaitanya Sevak]

Hi,

The resource-space is nice application. I was wondering if it can generate preview for Corel Draw (.cdr) files. It does stores a thumbnail in its metadata but when I uploaded in RS, the previews was not generated.

Thanks

[Paul A Norman]

Dear Chaitanya,

As far as I know there is no built in support for Corel Draw yet, but if you are a php developer  you may like to look at this Open Source project, UniConvertor to see if some sort of ResourceSpace auxiliary helper is achievable, as is already done for OpenOffice/LibreOffice files etc...

When I looked at the pictures of UniConvertor I thought it was a GUI driven application but it is actually a shell/ command line application (with an optional GUI helper),  but it requires Python (Windows version installation is self-contained).

http://sk1project.org/modules.php?name=Products&product=uniconvertor

A write up...

http://libregraphicsworld.org/blog/entry/uniconvertor-1-1-5-review

Amongst this list (from the dowloaded applications doc drierctory / about.html)  it appears that it could potentially help with a few things that perhaps ResourceSpace does not already deal with directly...

• CorelDRAW ver.7-X3,X4 (CDR/CDT/CCX/CDRX/CMX)
• Adobe Illustrator up to 9 ver. (AI postscript based)
• Postscript (PS)
• Encapsulated Postscript (EPS)
• Computer Graphics Metafile (CGM)
• Windows Metafile (WMF)
• XFIG
• Scalable Vector Graphics (SVG)
• Skencil/Sketch/sK1 (SK and SK1)
• Acorn Draw (AFF)
• HPGL for cutting plotter files(PLT)
• Autocad Drawing Exchange Format (DXF)
• DST design format (Tajima)
• PES embroidery file format (Brother)
• EXP embroidery file format (Melco)
• PCS design format (Pfaff home)

However it only directly exports to ...

• AI (Adobe Illustrator ver.5.0 format)
• SVG (Scalable Vector Graphics)
• SK (Sketch/Skencil format)
• SK1 (sK1 format)
• CGM (Computer Graphics Metafile)
• WMF (Windows Metafile)
• PDF (Portable Document Format)
• PS (PostScript)
• PLT (HPGL for cutting plotter)
• 
  

Paul

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[Dan Huby]

On Wednesday, June 27, 2012 8:12:31 AM UTC+1, PaulANormanNZ wrote:

Dear Chaitanya,

As far as I know there is no built in support for Corel Draw yet, but if you are a php developer  you may like to look at this Open Source project, UniConvertor to see if some sort of ResourceSpace auxiliary helper is achievable, as is already done for OpenOffice/LibreOffice files etc...

That's interesting, thanks for posting. Uniconvertor is available as a package on Ubuntu making installation easy on that platform.

It would be good to have ResourceSpace support this natively, however an interim solution might be to configure ImageMagick to call it when importing supported file types.

Dan 

[Paul A Norman]

" Uniconvertor is available as a package on Ubuntu making installation easy on that platform "

Yes it appears to be available across a wide range of OSes

Paul

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[Chaitanya]

Hi Dan,

I did not get what is meant by - ' It would be good to have ResourceSpace support this natively, however an interim solution might be to configure ImageMagick to call it when importing supported file types. '

I am sorry but can you please elaborate...

Thanks

[Chaitanya Sevak]

Hi Team,

You can get Corel Draw (.cdr) Preview  by inserting following code to preview_preprocessing.php at line 302
Note : Following code only works for coreldraw version X4 or greater.

We tested with windows system, it does not work but on Linux machine it works properly.

//Added to get previews of coreldraw(.cdr) files       
if (($extension=="cdr") && !isset($newfile))
    { 
        run_command("unzip -p ".escapeshellarg($file)." \"metadata/thumbnails/page1.bmp\" > $target");
        if(file_exists($target)) { $newfile = $target; }
    } 

If it suits for larger audience, kindly accept this code change into ResourceSpace.

Thanks,
Chaitanya

[Paul A Norman]

Thanks for that,

"Note : Following code only works for coreldraw version X4 or greater."

We have a lot of Corel XII (12) files...

Paul

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[Oğuz GÜLBAY]

As far as I know, Coreldraw 12 files has tiny bmp's as preview files. So even if you can get the previews, it probably won't be much good anyway.

[Paul A Norman]

Yes we'd need to do the kind of conversion routines looked at earlier I think.

Paul

[Chaitanya Sevak]

I am not sure about versions below X4 as it needs conversion as rightly said by Paul.