[poppler] Java version of poppler

[Albert Astals Cid]

El Dimarts, 30 d'abril de 2013, a les 15:11:29, Thomas Freitag va escriure:
> Hi all!
> 
> Due to several requests here with no really response I know that there
> is no really need here, but nevertheless, I want to announce, that I
> successfully completed and regtested the porting of that part of poppler
> I need for my purpose to Java last weekend.

Very cool :-) but you forgot to mention the most important thing :D

Where's the code? ;-)

Cheers,
  Albert

> 
> My cms-images.jar is not an executable but a library which contains methods
> - to extract metadata
> - modify metadata
> - extract thumbnails
> - repair structures
> - extract PDF pages
> In other words, pdfinfo, pdffont and pdfseparate can be done in pure
> Java. For this I ported over 80 % of poppler core code to Java. What is
> missing are the pure image streams like DCT and JPEG2000, font handling
> and some of the annotation stuff. And I ported only one output device,
> PlateScannerOutputDev, which is an extension to PreScanOutputDev, so
> that I can also extract informations about used plate names and
> colorants and if overprint is used, which is rarely used but very
> important in prepress area.
> 
> Here an example of the output of a small dump tool written using this
> library:
> 
> Dump ./010_ReadMe_Ghent_Output_Patch.pdf
> dc:creator : Andy Psarianos
> dc:description : Ghent Output Patches
> dc:format : application/pdf
> dc:rights : Copyright © 2007, Ghent PDF Workgroup (http://www.gwg.org).
> You are encouraged to use the test files as described in the associated
> documentation. However, these files remain the property of and are
> copyrighted by the Ghent PDF Workgroup. You are not allowed to change
> this file (including its name, content and metadata) in any way.
> dc:subject : GWG,Ghent PDF Workgroup,Ghent Ouput
> Patches,Documentation,Patch 1.0
> dc:title : Patch 1.0 — CMYK Overprint Test Documentation
> img:CropBox : [0.00, 0.00, 595.28 792.00],[0.00, 0.00, 595.28
> 792.00],[0.00, 0.00, 595.28 792.00],[0.00, 0.00, 595.28 792.00]
> img:MediaBox : [0.00, 0.00, 595.28 792.00],[0.00, 0.00, 595.28
> 792.00],[0.00, 0.00, 595.28 792.00],[0.00, 0.00, 595.28 792.00]
> pdf:Keywords : GWG; Ghent PDF Workgroup; Ghent Ouput Patches;
> Documentation; Patch 1.0
> pdf:PDFVersion : 1.6
> pdf:Producer : Adobe PDF Library 7.0
> pdf:Trapped : false
> pdfx:GTS_PDFXConformance : PDF/X-3:2002
> pdfx:GTS_PDFXVersion : PDF/X-3:2002
> photoshop:CaptionWriter : Andy Psarianos, andy at feburman.co.uk
> photoshop:ColorMode : CMYK
> xmp:CreateDate : 2005-10-10T17:26:10.000Z
> xmp:CreatorTool : Adobe InDesign CS2 (4.0.4)
> xmp:MetadataDate : 2007-01-18T18:12:51Z
> xmp:ModifyDate : 2007-01-18T18:12:51.000Z
> xmpMM:DocumentID : adobe:docid:indd:d4032c63-670f-11da-8e2e-82fceca79e51
> xmpMM:InstanceID : uuid:b2114939-23fd-f342-9e5c-c48aa66e67b4
> xmpMM:RenditionClass : proof:pdf
> xmpRights:Marked : true
> xmpRights:WebStatement : http://www.gwg.org
> xmpTPg:Colorants : 'PANTONE 2405 C' - CMYK(34.00, 100.00, 0.00, 0.00)
> xmpTPg:Fonts : (MyriadPro-Semibold / Myriad Pro Light / Bold / Type 1C /
> null / false),(MyriadPro-Regular / Myriad Pro / Regular / Type 1C / null
> / false),(Verdana / Verdana / Regular / Type 1C / null /
> false),(MyriadPro-SemiboldCond / Myriad Pro Light Cond / Bold Condensed
> / Type 1C / null / false),(Verdana-Bold / Verdana / Bold / Type 1C /
> null / false)
> xmpTPg:HasVisibleOverprint : true
> xmpTPg:HasVisibleTransparency : false
> xmpTPg:MaxPageSize : 595.28 x 792.00 point
> xmpTPg:NPages : 4
> xmpTPg:PlateNames : Cyan,Magenta,Yellow,Black,PANTONE 2405 C
> done!
> 
> The name of the properties are XMP compliant, and the library also
> contains the XMP scheme which is parsable by the included XMPReader and
> writable by the XMPWriter, even if the scheme itself isn't used, the
> implementation was done with JAXB.
> The cms-images.jar does not only support PDF (this was my last but not
> least supported format) but also JPG, TIFF and PNG in the moment. But
> because it is completely undocumented at the moment, I don't want to
> publish it as yet, but I plan to do it sometime this year. If anyone
> here about anybody who is interested in it in the meantime: he can
> contact me and I'll provide him the source code or anything else he need.
> 
> Cheers,
> Thomas
> 
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