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Merge pull request 'limit font size to non-negative values'

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Closes https://codeberg.org/dnkl/foot/issues/38
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Daniel Eklöf 2020-07-15 11:38:13 +02:00
commit 9eb9a3d8a5
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2 changed files with 3 additions and 1 deletions
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2
CHANGELOG.md
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@ -105,6 +105,8 @@
* A multi-column character that does not fit on the current line is
now printed on the next line, instead of only printing half the
character.
* Font size can no longer be reduced to negative values
(https://codeberg.org/dnkl/foot/issues/38).
### Security

2
terminal.c
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@ -1430,7 +1430,7 @@ term_font_size_adjust(struct terminal *term, double amount)
old_pt_size = term->font_sizes[i].px_size * 72. / dpi;
}
term->font_sizes[i].pt_size = old_pt_size + amount;
term->font_sizes[i].pt_size = fmax(old_pt_size + amount, 0);
term->font_sizes[i].px_size = -1;
}