ImageEn, unit ievision

TIEVisionOCR.getTextAngle

TIEVisionOCR.getTextAngle


Declaration

function getTextAngle(): single; overload; safecall;
function getTextAngle(image: TIEVisionImage): single; overload; safecall;


Description

Returns the text angle (orientation) in radians.
First overload takes last processed image as input.
Second overload takes the specified image as input.

Parameter Description
image Source image

See also: getOrientation


Example

// detect orientation
angle := OCR.getTextAngle(image) * 180 / PI;
ImageEnView1.IEBitmap.Origin := ieboBOTTOMLEFT;
ImageEnView1.Proc.Rotate(-angle);