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Use CTFont::draw_glyphs
to rasterize glyphs
This API supports rendering emojis in addition to normal glyphs.
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@ -198,15 +198,18 @@ impl FontSystemState {
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ty: -transform.vector.y() as CGFloat,
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});
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cx.set_font(&font.native_font().copy_to_CGFont());
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cx.set_font_size(font_size as CGFloat);
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cx.show_glyphs_at_positions(
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&[glyph_id as CGGlyph],
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&[CGPoint::new(
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(subpixel_shift.x() / scale_factor) as CGFloat,
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(subpixel_shift.y() / scale_factor) as CGFloat,
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)],
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);
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cx.set_should_subpixel_position_fonts(true);
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cx.set_should_subpixel_quantize_fonts(false);
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font.native_font()
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.clone_with_font_size(font_size as CGFloat)
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.draw_glyphs(
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&[glyph_id as CGGlyph],
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&[CGPoint::new(
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(subpixel_shift.x() / scale_factor) as CGFloat,
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(subpixel_shift.y() / scale_factor) as CGFloat,
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)],
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cx,
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);
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Some((bounds, pixels))
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}
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