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gems/vfs_font: improve glyph bb sanity check

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Issue #5374
This commit is contained in:
Norman Feske 2024-11-15 11:15:14 +01:00 committed by Christian Helmuth
parent 052dd903a4
commit 0eefe2d872
1 changed files with 2 additions and 2 deletions
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repos/gems/include/gems/vfs_font.h
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@ -68,10 +68,10 @@ class Genode::Vfs_font : public Text_painter::Font
void with_glyph(Text_painter::Area const bb, auto const &fn) const void with_glyph(Text_painter::Area const bb, auto const &fn) const
{ {
/* consider glyph bounds exceeding the font's bounding box */ /* consider glyph bounds exceeding the font's bounding box */
uint8_t const clipped_h = uint8_t(_width ? (bb.count() / _width) : 0u); unsigned const clipped_h = _width ? unsigned(bb.count() / _width) : 0u;
fn(Glyph { .width = _width, fn(Glyph { .width = _width,
.height = min(_height, clipped_h), .height = min(unsigned(_height), clipped_h),
.vpos = _vpos, .vpos = _vpos,
.advance = _advance(), .advance = _advance(),
.values = _values }); .values = _values });