Picture display formats

qpx_PictScrolling 0 Picture has scrollbars
qpx_PictTruncCentered 1 Picture is truncated to the area rectangle size and centered in it
qpx_PictScaledToFit 2 Picture is scaled up or down separately across each dimension to fit the current area rectangle
qpx_PictTruncNonCenter 4 Picture is truncated to the area rectangle size and placed top left
qpx_PictScaledToFitProp 5 Picture is scaled down proportionally to fit the current area rectangle and placed top left
qpx_PictScaledToFitPropCenter 6 Picture is scaled down proportionally to fit the current area rectangle and centered