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LibGfx: Support computing a font's glyph width with code point iterators
This allows consideration of multi-code point glyphs.
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5 changed files with 46 additions and 22 deletions
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@ -47,6 +47,8 @@ public:
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virtual bool contains_glyph(u32 code_point) const override { return m_font->glyph_id_for_code_point(code_point) > 0; }
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virtual float glyph_width(u32 code_point) const override;
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virtual float glyph_or_emoji_width(u32 code_point) const override;
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virtual float glyph_or_emoji_width(Utf8CodePointIterator&) const override;
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virtual float glyph_or_emoji_width(Utf32CodePointIterator&) const override;
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virtual float glyphs_horizontal_kerning(u32 left_code_point, u32 right_code_point) const override;
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virtual float preferred_line_height() const override { return metrics().height() + metrics().line_gap; }
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virtual u8 glyph_height() const override { return pixel_size(); }
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