QPixmap: class updated
QPixmap: class updated

- new method toVariant

  oPixmap:toVariant() -> oVariant
  QPixmap():toVariant( oPixmap ) -> oVariant

- new method fromVariant

  QPixmap():fromVariant( oVariant ) -> oPixmap

- parameters checking

Modified:
source/QtGui/QPixmap.prg
marcosgambeta/Qt5xHb,marcosgambeta/Qt5xHb