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CoreText: Fix incorrect underline position and thickness calculation

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Kovid Goyal 2017-12-13 13:59:11 +05:30
parent da0309545e
commit 872118fcbe
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 2 additions and 2 deletions
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kitty/core_text.m
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@ -247,8 +247,8 @@ cell_metrics(PyObject *s, unsigned int* cell_width, unsigned int* cell_height, u
*cell_width = MAX(1, width); *cell_width = MAX(1, width);
float line_height = MAX(1, floor(self->ascent + self->descent + MAX(0, self->leading) + 0.5)); float line_height = MAX(1, floor(self->ascent + self->descent + MAX(0, self->leading) + 0.5));
*cell_height = (unsigned int)line_height; *cell_height = (unsigned int)line_height;
*underline_position = (unsigned int)self->underline_position; *underline_position = floor(self->ascent - self->underline_position + 0.5);
*underline_thickness = (unsigned int)self->underline_thickness; *underline_thickness = (unsigned int)ceil(MAX(0.1, self->underline_thickness));
*baseline = (unsigned int)self->ascent; *baseline = (unsigned int)self->ascent;
} }