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possible fix for #194 on macOS, need to check Windows

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This commit is contained in:
Ben Fry
2022-01-27 22:04:41 -05:00
parent f589a94453
commit d92bf59603
1 changed files with 15 additions and 1 deletions
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16
app/src/processing/app/syntax/JEditTextArea.java
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@@ -1380,8 +1380,22 @@ public class JEditTextArea extends JComponent
float additionalOffset =
getPartialPixelWidth(metrics, x, expander, startOffset) * s.length();
if (Platform.isWindows()) {
// When the OS is using 125% or 250% or other fractional scaling,
// the layout gets hosed. This is fixed (in 4.0 beta 4) by
// subtracting this additionalOffset:
// https://github.com/processing/processing4/issues/226
// However, on macOS, changing the font size makes this show up
// as well, only in the opposite direction:
// https://github.com/processing/processing4/issues/194
// Bottom line, it's related to fractional metrics,
// and is especially bad with Source Code Pro.
// https://github.com/sampottinger/processing/issues/103
additionalOffset = -additionalOffset;
}
return Math.round(
Utilities.getTabbedTextWidth(s, metrics, x, expander, startOffset) - additionalOffset
Utilities.getTabbedTextWidth(s, metrics, x, expander, startOffset) + additionalOffset
);
}