#i125020# fix the calculation of the text-update rectangle in CoreText

by doing the calculation before CTLineDraw() updates the text position.
Requesting the update early is possible because that update region is
not used until AquaSalInstance::Yield().

vcl/aqua/source/gdi/ctlayout.cxx

@@ -265,13 +265,7 @@ void CTLayout::DrawText( SalGraphics& rGraphics ) const
 
     CGContextSetTextPosition( rAquaGraphics.mrContext, aTextPos.x, aTextPos.y );
 
-    // set the text color as fill color (see kCTForegroundColorFromContextAttributeName)
-    CGContextSetFillColor( rAquaGraphics.mrContext, rAquaGraphics.maTextColor.AsArray() );
-
-    // draw the text
-    CTLineDraw( mpCTLine, rAquaGraphics.mrContext );
-
-    // request an update of the changed window area
+    // request an update of the to-be-changed window area
     if( rAquaGraphics.IsWindowGraphics() )
     {
         const CGRect aInkRect = CTLineGetImageBounds( mpCTLine, rAquaGraphics.mrContext );
@@ -279,6 +273,12 @@ void CTLayout::DrawText( SalGraphics& rGraphics ) const
         rAquaGraphics.RefreshRect( aRefreshRect );
     }
 
+    // set the text color as fill color (see kCTForegroundColorFromContextAttributeName)
+    CGContextSetFillColor( rAquaGraphics.mrContext, rAquaGraphics.maTextColor.AsArray() );
+
+    // draw the text
+    CTLineDraw( mpCTLine, rAquaGraphics.mrContext );
+
     // restore the original graphic context transformations
     CGContextRestoreGState( rAquaGraphics.mrContext );
 }