On Fri, 12 Jun 2009 08:31:41 -0400 "Thorpe, Alan " <[email protected]> wrote:
| Thanks everyone for any advice you can offer in this area... | | | | Of the various EPS output types supported by Image Magick it appears we | can generate compressed output in some cases, but so far there doesn't | seem to be a way to produce both compressed and ASCII85 encoded images | within the EPS. Is this possible? | | | | Yes, this sounds a bit strange since ASCII85 is going to stretch the | compressed binary data back out a bit as the more space-efficient | compressed bytes are replaced with less efficient ASCII characters, but | this is a situation where the original images are very, very | compressible and 7-bit backward compatibility is required. By mocking up | the EPS it appears that the end result of LZW (or other) compression | followed by ASCII85 encoding would be both significant space savings and | no binary data. | | | | Ultimately, the goal is to assemble the compressed and ASCII85 encoded | EPS into an EPSI file. Image Magick does support EPSI, but the same | limitation of compressing and encoding the EPS content appears there | also so it seemed that the simplest step would be to use the more | feature-rich EPS converters and write some outboard code to post-process | the original image and the generated EPS into a EPSI file. | | | | Have I missed a command-line option that can miraculously daisy chain | the LZW encoder with the ASCII85 encoder? | | I do not believe chaining two coders has been implemented. At least not yet. The known encodings I managed to discover are given in the table... http://www.imagemagick.org/Usage/formats/#pdf_compression I have not looked at the 'coder' itself to see if their are any others. Anthony Thyssen ( System Programmer ) <[email protected]> ----------------------------------------------------------------------------- Practise acts of senseless beauty & random kindness. ----------------------------------------------------------------------------- Anthony's Home is his Castle http://www.cit.gu.edu.au/~anthony/ _______________________________________________ Magick-users mailing list [email protected] http://studio.imagemagick.org/mailman/listinfo/magick-users
