[poppler] Java version of poppler

[Thomas Freitag]

Am 04.05.2013 16:12, schrieb 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? ;-)
No, You didn't read my mail really to the end.. If anybody is really 
interested in it, I'll send him the code. Or should I really do it on 
the list?

Cheers,
Thomas
>
> 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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>> poppler at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/poppler
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