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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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5
Userland/Libraries/LibGfx/Font/ScaledFont.cpp
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@ -83,6 +83,11 @@ RefPtr<Gfx::Bitmap> ScaledFont::rasterize_glyph(u32 glyph_id, GlyphSubpixelOffse
return glyph_bitmap;
}
bool ScaledFont::append_glyph_path_to(Gfx::Path& path, u32 glyph_id) const
{
return m_font->append_glyph_path_to(path, glyph_id, m_x_scale, m_y_scale);
}
Gfx::Glyph ScaledFont::glyph(u32 code_point) const
{
return glyph(code_point, GlyphSubpixelOffset { 0, 0 });