Description
Measure image rotation
Syntax
| Visual Basic |
|---|
Public Function MeasureRotation() As EPageRotation |
Return Type
If image contains enough of textual elements ciRotNone, ciRotUpsideDown, ciRotLeft, and ciRotRight values are set. If image contains mostly graphical objects, like lines, return values are ciRotPortrait and ciRotLeftOrRight.
Remarks
Level of confidence in percent is set in rConfidence.
Example
Measure Skew and Rotation
| VB Sample (Visual Basic) |  Copy Code |
|---|---|
Public Sub T_MeasureSkewAndRotation(ByRef Tools As CiTools) Dim nSkew, eRot nSkew = Tools.MeasureSkew Debug.Print "Skew=" & nSkew & " Confidence=" & Tools.rConfidence & "%" eRot = Tools.MeasureRotation Debug.Print "Rotation=" & _ Switch(eRot = ciRotUnknown, "Unknown", _ eRot = ciRotNone, "None", _ eRot = ciRotLeft, "TurnedLeft", _ eRot = ciRotRight, "TurnedRight", _ eRot = ciRotUpsideDown, "UpsideDown", _ eRot = ciRotLeftOrRight, "TurnedLeftOrRight", _ eRot = ciRotPortrait, "Portrait") & _ " Confidence=" & Tools.rConfidence & "%" End Sub | |