QPix Command Reference
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QPx_RotateAreaImage(areaRef; numDegrees):error | |||
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areaRef | Longint | QPix area reference |
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numDegrees | Real | Rotation degrees |
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error | Longint | Error result |
Rotates the image in a QPix plug-in area by a number of degrees.
The QPix plug-in area is specified by areaRef. If areaRef is not a valid QPix plug-in area reference, qpx_paramErr is returned.
The number of degrees is specified in the numDegrees parameter. Positive values cause clockwise rotation, while negative values rotate the picture counter-clockwise.
Example
`Rotate area image by 90 degrees counter-clockwise C_LONGINT($error) $error:=QPx_RotateAreaImage (gQPixArea;-90) |