- CGContextTranslateCTM( pageContext , -paperRect.left , -paperRect.top + ( rPage.bottom - rPage.top ) ) ;
+ // make sure (0,0) is at the upper left of the printable area (wx conventions)
+ // Core Graphics initially has the lower left of the paper as 0,0
+ CGContextTranslateCTM( pageContext , -paperRect.left , paperRect.bottom ) ;