On 04/14/2016 12:25 PM, Mário Luzeiro wrote: >> But I like your idea, mipmapping could enhance the result. > > I was expecting that the openGL midmapping could help.. but.. looking in your > screenshots and thinking generally, It would be better to proper render the > anti-aliased font in a set of textures. > "render anti-aliased font for the different sizes" != "midmapping" (I guess!) > > So you have to manually select the texture font and scale to apply to the > char square. > You may try to do it dynamically (probably as you are already doing it)
I am not sure if I understand correctly. Do you propose just a few font sizes available as separate textures? E.g. there are atlases for font sizes: 8px, 16px, 24px, 32px and we use exclusively these values? Cheers, Orson > Btw.. this is a technique widely used in videogames, but as far as I know, > most of the times they use "one font size" -> "one texture" and it is not > common to have different text scales on/using the same font/texture > Thats it why you need to go more tricky here.. :) > > Mario > ________________________________________ > From: Maciej Sumiński [[email protected]] > Sent: 14 April 2016 11:12 > To: Mário Luzeiro; KiCad Developers > Subject: Re: [Kicad-developers] Bitmap fonts > > Hi Mario, > > On 04/14/2016 12:00 PM, Mário Luzeiro wrote: >> Hi Orson, >> >> If I understand correctly that would be the font for non board items. > > That is right. As labels are not stored in Gerber files, it is save to > use any kind of font to display them. Contrary, board items should apply > to WYSIWYG rule. > >> Textures fonts are a good fast way of implement fonts. >> But it may suffer from scaling issues, as we can see in your screenshots in >> the very small size (they are not render properly, C2: pin 1.. etc) >> So you may need to pre-render the font in difference sizes (to different >> textures) to be used the appropriate one in the final render. > > The same problem applies to the original, stroked font - the net label > is just very small. But I like your idea, mipmapping could enhance the > result. > >> I do believe it should be possible to also cache the board text (comments, >> silk..etc) but I believe that will be more challenged... >> (this may need different hierarchically caches.. and complexity raise) > > True. For the moment I hope the overall performance is enough for > complex boards, so we do not have to think about more entangled solutions. > > Regards, > Orson >
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