Hi Juan, Yes, that is some of the best TTF non-hinted rendering I've seen. Nice work!
And, yes, it does look like the bug is gone, thanks! It will be interesting to look through a simplified, stand-alone(ish) version of the code to fully grasp the detail of your approach. Again, no rush, though. Dan On Tue, Sep 23, 2014 at 6:50 PM, J. Vuletich (mail lists) < [email protected]> wrote: > Hi Dan, > > Quoting Dan Amelang <[email protected]>: > > Hi Juan, > > Thanks for the screenshots, that helps a lot! Now, it would be ideal to > have a visual like this to for the comparison: > http://typekit.files.wordpress.com/2013/05/jensonw-900.png. But, I know > that you've got limited time to work on this, and such a thing wouldn't be > very high priority. Maybe down the road. > > > Please take a look at > https://dl.dropboxusercontent.com/u/13285702/Morphic3-TimesNewRomanSample.png > I used Times New Roman for the sample. It is similar but not identical to > the font in the Adobe demo image. I did it by converting the text to SVG in > Inkscape, then using Morphic 3 to draw the svg file. > > There is no hinting at all here! Just better rasterization. The shape and > weight is truer and more uniform (especially at smaller sizes), most glyphs > look sharper. Starting from the third line, the quality is consistently > better. > > Also, comparing your renderer+stroke font to the recently open sourced > Adobe font rasterizer would be interesting, too ( > http://blog.typekit.com/2013/05/01/adobe-contributes-cff-rasterizer-to-freetype/). > As far as I can tell, Adobe's rasterizer is pretty much the the > state-of-the-art rasterizer for outline font rasterization. If you're > making the case that outline fonts are intrinsically unable to match the > quality of your stroke font, this comparison would be a convincing way to > do so. > > > I think the real contribution of Morphic 3 here is better rasterization, > that doesn't need hinting to give very crisp and detailed results. > > Going back to the topic of Morphic 3 rendering TrueType fonts, I'm > attaching a few unfiltered zooms from your M3-TTF.png (your more recent > M3-TTF-5.png looks the same in these areas). Notice the saturated colors in > the middle of the black text. You mentioned that you have color fringing > problems with <9 point sizes, but this font is about 12pt and the problem > doesn't look like color fringing (i.e., the coloring isn't light nor just > on the fringes, see > http://typekit.files.wordpress.com/2010/10/gdi-cleartype.png for what I > understand color fringing to look like). Maybe something else is going on > here? > > ... snip ... > > Dan > > > Yes. There was a bug there. It only happened for curve segments shorter > than one pixel, affecting only very small point sizes. Thanks for pointing > it out! The sample I prepared today clearly shows that the bug was fixed. > > Cheers, > Juan Vuletich >
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