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touch each other (mainly caused by rounding issues),
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making glyphs illegible. A typical example is glyph
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‘i’, where the vertical space between the
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- i-dot and the body must have a certain size to let the
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- reader's eye separate the two parts. [Note that the
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- auto-hinter's capability to hint glyphs smaller than
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- 12ppem is very limited in general and thus not part of
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- this project description.]</p>
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+ dot on the i and the body must have a certain
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+ size to let the reader's eye separate the two parts.
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+ [Note that the auto-hinter's capability to hint glyphs
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+ smaller than 12ppem is very limited in general and
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+ thus not part of this project description.]</p>
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<p>Another example is the tilde accent, ‘~’,
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used in languages like Spanish: Even at smaller sizes
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- the wiggle of the accent shape must be prevented,
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+ the wiggle of the accent shape must be preserved,
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otherwise it can happen that a character like
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‘ã’ looks like ‘ā’.</p>
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of the shape of a given glyph might help the
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<a href="">"https://www.freetype.org/autohinting/hinter.html">auto-hinter</a>
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improve the hinting, irrespective of the font shape or
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- family – the i-dot and its body must be separate for
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+ family – coming back to glyph ‘i’, the dot
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+ on the i and its body must be separate for
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virtually all available fonts.</p>
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<p>The project consists of the following parts.</p>
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bug database.</a></li>
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<li>Collect necessary adjustments. For the above two
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- examples, it would be necessary (a) to tell the
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+ examples, it would be necessary (a) to tell the
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auto-hinter that there must be a certain vertical
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- distance between the body and its accent, and (b) to
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- distort some glyph shapes intentionally so that
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- rasterization at small ppem values gives decent
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- results.</li>
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+ distance between the body and its accent, and
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+ (b) to distort some glyph shapes intentionally
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+ so that rasterization at small ppem values gives
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+ decent results.</li>
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<li>Invent a database format (to be compiled into the
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library) that describes the necessary actions.
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<!-- ************************************************** -->
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<div class="updated">
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- <p>Last update: 24-Nov-2021</p>
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+ <p>Last update: 24-Jan-2022</p>
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</div>
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</div>
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</div>
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