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LibGfx: Allow extracting paths from fonts and add Gfx::Path::text()

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This updates fonts so rather than rastering directly to a bitmap, you
can extract paths for glyphs. This is then used to implement a
Gfx::Path::text("some text", font) API, that if given a vector font
appends the path of the text to your Gfx::Path. This then allows
arbitrary manipulation of the text (rotation, skewing, etc), paving the
way for Word Art in Serenity.
This commit is contained in:
MacDue 2023-11-04 21:41:24 +00:00 • committed by Alexander Kalenik
parent b4cabde4a4
commit 50d33f79fa
14 changed files with 186 additions and 88 deletions
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Userland/Libraries/LibGfx/Font/WOFF2/Font.h
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@ -32,6 +32,7 @@ public:
{
return m_input_font->rasterize_glyph(glyph_id, x_scale, y_scale, subpixel_offset);
}
virtual bool append_glyph_path_to(Gfx::Path& path, u32 glyph_id, float x_scale, float y_scale) const override { return m_input_font->append_glyph_path_to(path, glyph_id, x_scale, y_scale); }
virtual u32 glyph_count() const override { return m_input_font->glyph_count(); }
virtual u16 units_per_em() const override { return m_input_font->units_per_em(); }
virtual u32 glyph_id_for_code_point(u32 code_point) const override { return m_input_font->glyph_id_for_code_point(code_point); }