On Fri, 15 Sep 2017 20:30:02 +0300, Daniel Plakhotich wrote: > But I'm a bit confused by The FreeType Tutorial (II. Managing > Glyphs: 4. Simple Text Rendering: Kerning and Centering), which says: > >> In general, the above function does not compute an exact bounding >> box of a string! As soon as hinting is involved, glyph dimensions >> must be derived from the resulting outlines. For anti-aliased >> pixmaps, FT_Outline_Get_BBox then yields proper results. In case >> you need 1-bit monochrome bitmaps, it is even necessary to actually >> render the glyphs because the rules for the conversion from outline >> to bitmap can also be controlled by hinting instructions. > > Why it says the rendering is necessary for 1-bit bitmaps, but not > 8-bit? Maybe I missed something?
Perhaps because hinting is more important when you don’t have anti-aliasing as well. _______________________________________________ Freetype mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/freetype
