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LibGfx: Prepare the paint code for fonts whose glyphs are color bitmaps

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This patch does three things:
- Font::has_color_bitmaps() (true if CBLC and CBDT are present)
- Glyph now knows when its bitmap comes from a color bitmap font
- Painter draws color bitmap glyphs with the appropriate scaling etc
This commit is contained in:
Andreas Kling 2023-03-04 20:33:02 +01:00
parent bca35bee6d
commit e8cc1a4373
8 changed files with 22 additions and 2 deletions
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2
Userland/Libraries/LibGfx/Font/ScaledFont.cpp
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@ -88,7 +88,7 @@ Gfx::Glyph ScaledFont::glyph(u32 code_point, GlyphSubpixelOffset subpixel_offset
auto id = glyph_id_for_code_point(code_point);
auto bitmap = rasterize_glyph(id, subpixel_offset);
auto metrics = glyph_metrics(id);
return Gfx::Glyph(bitmap, metrics.left_side_bearing, metrics.advance_width, metrics.ascender);
return Gfx::Glyph(bitmap, metrics.left_side_bearing, metrics.advance_width, metrics.ascender, m_font->has_color_bitmaps());
}
float ScaledFont::glyph_left_bearing(u32 code_point) const