Hi, this patch is currently not part of the trunk but very important! Can someone check this in, please? --
Grüße/Regards, [heubach-media] | Christian Sakowski christian.sakow...@heubach-media.de Tel: +49/(0)40/41 455 455 > Am 24.07.2019 um 11:40 schrieb Michal Sudolsky <sudols...@gmail.com>: > > > > ---------- Forwarded message --------- > From: Andreas Brzesowsky <andreas.brzesow...@dots.de> > Date: Wed, Jul 24, 2019 at 11:37 AM > Subject: Re: [Podofo-users] Patch for png transparency and gray scale > To: Michal Sudolsky <sudols...@gmail.com> > > > Oh, yes, sorry. > > Am 24.07.2019 um 11:26 schrieb Michal Sudolsky: >> Hi, >> >> Seems you sent wrong patch file. >> >> >> On Wed, Jul 24, 2019 at 11:14 AM Andreas Brzesowsky >> <andreas.brzesow...@dots.de> wrote: >> Hi, >> >> we had some problems with adding png images to pdf files with Podofo. >> There are some color types not working and transparency is ignored or >> replaced by black. >> So I fixed the issues in Podofo and tested them with the images from the >> PngSuite (http://www.libpng.org/pub/png/pngsuite.html). >> To compare the differences I created the attached "testPngSuite.pdf" where >> you can see one image of the PngSuite per page. >> On the left the imaged added with Podofo revison 1997 and on the right after >> my patch ("PdfFontCache.cpp.patch"). >> >> Changes: >> - Handle color type gray with 1, 2 and 4 bit deepth >> - If the png contains transparency, than a smask is created for the pdf >> - If the png has a color palette, than the indexed color space >> (ePdfColorSpace_Indexed) is used in the pdf. >> - Reduced the doubled code in LoadFromPngHandle and LoadFromPngData by >> having the local LoadFromPngContent function for this shared code >> >> So please check my changes and add them to the repository or ask questions. >> >> Kind regards >> >> Andreas >> -- >> >> >> Andreas Brzesowsky >> >> dots Gesellschaft für Softwareentwicklung mbH >> Schlesische Str. 27, 10997 Berlin, Germany >> Phone: +49 (0)30 695 799-33, Fax: +49 (0)30 695 799-55 >> >> andreas.brzesow...@dots.de >> http://www.dots.de >> >> Amtsgericht (District Court): Berlin Charlottenburg HRB 65201 >> Geschäftsführer (Managing Directors): Takeo Morohashi >> >> Follow us on: >> >> >> _______________________________________________ >> Podofo-users mailing list >> Podofo-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/podofo-users > > -- > > > Andreas Brzesowsky > > dots Gesellschaft für Softwareentwicklung mbH > Schlesische Str. 27, 10997 Berlin, Germany > Phone: +49 (0)30 695 799-33, Fax: +49 (0)30 695 799-55 > > andreas.brzesow...@dots.de > http://www.dots.de > > Amtsgericht (District Court): Berlin Charlottenburg HRB 65201 > Geschäftsführer (Managing Directors): Takeo Morohashi > > Follow us on: > > > <PdfImage.cpp.patch>_______________________________________________ > Podofo-users mailing list > Podofo-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/podofo-users _______________________________________________ Podofo-users mailing list Podofo-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/podofo-users
