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only test presentation VS15/16 if directly adjacent to codepoint

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This commit is contained in:
Mitchell Hashimoto
2022-09-06 14:26:43 -07:00
parent da7843e8b4
commit 3f1942223b
1 changed files with 3 additions and 1 deletions
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4
src/font/Shaper.zig
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@ -177,8 +177,10 @@ pub const RunIterator = struct {
// Determine the presentation format for this glyph. // Determine the presentation format for this glyph.
const presentation: ?Presentation = if (cell.attrs.grapheme) p: { const presentation: ?Presentation = if (cell.attrs.grapheme) p: {
// We only check the FIRST codepoint because I believe the
// presentation format must be directly adjacent to the codepoint.
var it = self.row.codepointIterator(j); var it = self.row.codepointIterator(j);
while (it.next()) |cp| { if (it.next()) |cp| {
if (cp == 0xFE0E) break :p Presentation.text; if (cp == 0xFE0E) break :p Presentation.text;
if (cp == 0xFE0F) break :p Presentation.emoji; if (cp == 0xFE0F) break :p Presentation.emoji;
} }