Fix flipped character in detached popover (fix #661)

CHANGELOG.md

@@ -12,6 +12,11 @@ develop
 - Update build environment to Xcode 8.2 (SDK macOS 10.12.2).
 
 
+### Fixes
+
+- Fix an issue where the zoomed characer in the characer inspector was flipped when the popover is detached.
+
+
 
 3.1.2 (177)
 --------------------------

CotEditor/Sources/CharacterField.swift

@@ -68,6 +68,7 @@ final class CharacterFieldCell: NSTextFieldCell {
         
         context.saveGState()
         
+        context.textMatrix = CGAffineTransform(scaleX: 1.0, y: 1.0)  // avoid flipping drawing when popover detatched
         context.textPosition = CGPoint(x: (cellFrame.width - bounds.width) / 2, y: -bounds.minY)
         CTLineDraw(line, context)