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[font] Adjust synthetic-slant docs

This commit is contained in:
Behdad Esfahbod 2022-02-07 18:02:37 -06:00
parent 4818b7ed72
commit 732c749ef7
1 changed files with 6 additions and 2 deletions
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src/hb-font.cc
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@ -2196,12 +2196,16 @@ hb_font_get_ptem (hb_font_t *font)
* @slant: synthetic slant value. * @slant: synthetic slant value.
* *
* Sets the "synthetic slant" of a font. By default is zero. * Sets the "synthetic slant" of a font. By default is zero.
* Synthetic slant is the graphical skew that the renderer * Synthetic slant is the graphical skew applied to the font
* applies to the font at rendering time. * at rendering time.
* *
* HarfBuzz needs to know this value to adjust shaping results, * HarfBuzz needs to know this value to adjust shaping results,
* metrics, and style values to match the slanted rendering. * metrics, and style values to match the slanted rendering.
* *
* <note>Note: The glyph shape fetched via the
* hb_font_get_glyph_shape() is slanted to reflect this value
* as well.</note>
*
* <note>Note: The slant value is a ratio. For example, a * <note>Note: The slant value is a ratio. For example, a
* 20% slant would be represented as a 0.2 value.</note> * 20% slant would be represented as a 0.2 value.</note>
* *