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LibGfx: Support computing a font's glyph width with code point iterators

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This allows consideration of multi-code point glyphs.
This commit is contained in:
Timothy Flynn 2023-02-20 14:40:12 -05:00 • committed by Andreas Kling
parent 71967bc5de
commit a391ea3da3
Notes: sideshowbarker 2024-07-17 03:05:16 +09:00
5 changed files with 46 additions and 22 deletions
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12
Userland/Libraries/LibGfx/Font/ScaledFont.cpp
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@ -105,6 +105,18 @@ float ScaledFont::glyph_or_emoji_width(u32 code_point) const
return metrics.advance_width;
}
float ScaledFont::glyph_or_emoji_width(Utf8CodePointIterator& it) const
{
// FIXME: Support multi-code point emoji with scaled fonts.
return glyph_or_emoji_width(*it);
}
float ScaledFont::glyph_or_emoji_width(Utf32CodePointIterator& it) const
{
// FIXME: Support multi-code point emoji with scaled fonts.
return glyph_or_emoji_width(*it);
}
float ScaledFont::glyphs_horizontal_kerning(u32 left_code_point, u32 right_code_point) const
{
if (left_code_point == 0 || right_code_point == 0)