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LibGfx+LibTTF: Allow Painter to draw TTF glyphs

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Stephan Unverwerth 2021-01-02 18:22:22 +01:00 • committed by Andreas Kling
parent 0f41f5d9ba
commit 85158dc0ad
5 changed files with 66 additions and 14 deletions
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32
Userland/Libraries/LibTTF/Font.cpp
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@ -481,6 +481,35 @@ String Font::variant() const
return m_name.subfamily_name();
}
u16 Font::weight() const
{
// FIXME: This is pretty naive, read weight from the actual font table(s)
auto variant_name = variant();
if (variant_name == "Thin")
return 100;
if (variant_name == "Extra Light")
return 200;
if (variant_name == "Light")
return 300;
if (variant_name == "Regular")
return 400;
if (variant_name == "Medium")
return 500;
if (variant_name == "Semi Bold")
return 600;
if (variant_name == "Bold")
return 700;
if (variant_name == "Extra Bold")
return 800;
if (variant_name == "Black")
return 900;
if (variant_name == "Extra Black")
return 950;
return 400;
}
int ScaledFont::width(const StringView& string) const
{
Utf8View utf8 { string };
@ -524,7 +553,8 @@ Gfx::Glyph ScaledFont::glyph(u32 code_point) const
{
auto id = glyph_id_for_codepoint(code_point);
auto bitmap = raster_glyph(id);
return Gfx::Glyph(bitmap);
auto metrics = glyph_metrics(id);
return Gfx::Glyph(bitmap, metrics.left_side_bearing, metrics.advance_width, metrics.ascender);
}
u8 ScaledFont::glyph_width(size_t code_point) const