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fix situations where caret sometimes leaves single pixel trails

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This commit is contained in:
Ben Fry
2022-01-29 13:02:43 -05:00
parent c85f2f3d14
commit 956fee8b4a
2 changed files with 6 additions and 2 deletions
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6
app/src/processing/app/syntax/TextAreaPainter.java
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@@ -19,6 +19,7 @@ import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.event.MouseEvent;
import java.awt.geom.Line2D;
import javax.swing.ToolTipManager;
import javax.swing.text.*;
@@ -589,7 +590,10 @@ public class TextAreaPainter extends JComponent implements TabExpander {
// the first column. the fix is to use drawLine() in
// those cases, as a workaround.
if (caretWidth == 1) {
gfx.drawLine(caretX, y, caretX, y + height - 1);
// workaround for single pixel dots showing up when caret
// is rendered a single pixel too tall [fry 220129]
((Graphics2D) gfx).draw(new Line2D.Float(caretX, y + 0.5f, caretX, y + height - 0.5f));
//gfx.drawLine(caretX, y, caretX, y + height - 1);
} else {
gfx.drawRect(caretX, y, caretWidth - 1, height - 1);
}

2
todo.txt
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@@ -18,7 +18,7 @@ X users confirms the correctly working display swapped between beta 3 and 4
X also updated the two older bugs
X https://github.com/processing/processing4/issues/226
X https://github.com/processing/processing4/issues/342
X caret is sometimes one pixel too tall
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .