Lorenzo, fantastic results ! complimenti. Fabrizio
On Wed, May 2, 2012 at 11:16 AM, Lorenzo Marcantonio <[email protected]> wrote: > OK, persuaded the PDF engine to show stuff using a builtin font. Even > got the font metrics of the Helvetica family in kicad. > > Results are exactly as I imagined... > > - In attachment pdf-hidden-font.pdf you can see text drawn as usual > (using paths) with the same text drawn in render mode 3 (i.e. > invisible) with the Helvetica fonts. > > You have wysiwyg with eeschema *and* you can search for text (because > the hidden text is present); even the highlight box is more or less > good (plausible and identifiable, at less, compared with the 1-dot > text hack in the postscript engine) > > - In attachment pdf-native-font.pdf you can see under the hood what's is > happening... I excluded path text and used rendermode 1 (i.e. the > postscript show operator). As you can see the text is aligned > correctly but since metrics are different (Helvetica is bigger than > the iso font) it goes out of the box (BTW I fixed the dashing > operation). I don't remember the metrics of the stock kicad font but > probably you can fudge the scaling to better match Helvetica to it... > > This could also double as a 'plot using postscript fonts' example. So > the downsides are that: text is different (both in face and in size) > and repertoire is limited (more or less to Latin-1) > > I'd keep only the 'hidden text' for search... is someone interested in > native postscript fonts? As I could see the only upside is that the pdf > is a lot smaller and probably render faster (since it's using Type1 > fonts instead of path stroking). > > Let's discuss about how to proceed... > > Multipage PDF is next in the pipeline... Postscript would be doable too, but > what > about changing paper size? there is the PageBoundingBox comment but then > the main BoundingBox would be set to the union of all the pages (and > anyway I don't know of *anything* that would handle properly this > situation). PDF page size is simpler to do (each Page object has its own > MediaBox) but you need to handle multiple streams and the page catalog. > > I'd say to keep the ps engine single page (like the HPGL), so it could > be used for eps embedding and other stuff (like my pcb composition > script); PDF would handle multipage instead without problem... given > that many people use ps only for distilling the ps engine would be > 'downgraded' to an export format like HPGL. Does it sound good as > a plan? > > -- > Lorenzo Marcantonio > Logos Srl > > _______________________________________________ > Mailing list: https://launchpad.net/~kicad-developers > Post to : [email protected] > Unsubscribe : https://launchpad.net/~kicad-developers > More help : https://help.launchpad.net/ListHelp > _______________________________________________ Mailing list: https://launchpad.net/~kicad-developers Post to : [email protected] Unsubscribe : https://launchpad.net/~kicad-developers More help : https://help.launchpad.net/ListHelp
