вс, 27 авг. 2023 г., 01:13 Andrew Randrianasulu <randrianas...@gmail.com>:
> > > вс, 27 авг. 2023 г., 01:01 Andrew Randrianasulu <randrianas...@gmail.com>: > >> >> >> вс, 27 авг. 2023 г., 00:56 Stefan de Konink via Cin < >> cin@lists.cinelerra-gg.org>: >> >>> On Saturday, August 26, 2023 11:26:17 PM CEST, Andrew Randrianasulu via >>> Cin >>> wrote: >>> > Also, can illustrative pngs be compressed (lossy) with pngquant >>> utility? It >>> > makes paletted pngs. Not sure how various pdf viewers will react to >>> that >>> > .... >>> >>> I would first suggest to find out if PNG support is even part of the >>> regular PDF options. Some suggests not, some suggest 256 colors are >>> (without transparency). >>> >> >> >> this file from ~2008 suggest pdf can have jpeg variants or zip >> compression for "streams" with some pre-filtering? >> >> https://tug.org/TUGboat/tb30-3/tb96szabo.pdf >> >> here is github: >> >> https://github.com/pts/pdfsizeopt >> >> warning, contain python 2.x >> >> there are other tools using perl + ghostscript.... Or even something with >> dotnet! >> > > And slightly down the line: > > https://gitlab.mister-muffin.de/josch/img2pdf > > === > For JPEG, JPEG2000, non-interlaced PNG and TIFF images with CCITT Group 4 > encoded data, img2pdf directly embeds the image data into the PDF without > re-encoding it. It thus treats the PDF format merely as a container format > for the image data. In these cases, img2pdf only increases the filesize by > the size of the PDF container (typically around 500 to 700 bytes). Since > data is only copied and not re-encoded, img2pdf is also typically faster > than other solutions for these input formats. > ==== > > as found via this stackowerflow: > > > https://stackoverflow.com/questions/14220221/how-to-insert-transparent-png-in-pdf > > thing is, I have no idea yet if latex2pdf can use any of this .... > https://tex.stackexchange.com/questions/45498/choosing-whether-to-include-pdf-or-png-in-pdflatex this answer suggest you can use pdf instead of png. I wonder if pdf in question can be one generated by img2pdf ? > > >> But I guess html version can benefit from smaller pngs too? >> >> >>> -- >>> Stefan >>> -- >>> Cin mailing list >>> Cin@lists.cinelerra-gg.org >>> https://lists.cinelerra-gg.org/mailman/listinfo/cin >>> >>
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