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authorEli Zaretskii <eliz@gnu.org>2015-05-26 18:29:40 +0300
committerEli Zaretskii <eliz@gnu.org>2015-05-26 18:29:40 +0300
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Teach MS-Windows font back-end return per-glyph ascent/descent
* src/w32font.h (struct w32_metric_cache): Add ascent and descent values. * src/w32font.c (w32font_text_extents): Compute, cache, and accumulate per-glyph ascent and descent values, instead of copying global values from the font. If the values are not available from the font data, i.e., non-TTF fonts, fall back on font-global values. (compute_metrics): Compute and return per-glyph ascent and descent values, if returned by GetGlyphOutlineW, falling back on font-global values. (Bug#20628) * src/w32term.c (w32_draw_rectangle): Add 1 pixel to width and height of rectangle to be drawn, to be compatible with XDrawRectangle. Fixes glyphless-char display as hex codes in a box, when per-glyph ascent/descent values are used.
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