TIEVisionImage.pyrDown

Declaration

procedure pyrDown(dst: TIEVisionImage); overload; safecall;
procedure pyrDown(); overload; safecall;

Description

Smooth an image and downsample it (halving its size).
First overload places the result into destination object.
Second overload updates the current image.

Size of the destination image wil be: new_width = (width+1)/2, new_height = (height+1)/2).


Note: You cannot use pyrUp directly on a TImageEnView image, you must use assignIEVisionImage to reflect this method's changes

Demo

Demos\ImageEditing\EveryMethod\EveryMethod.dpr

Example

var
  im: TIEVisionImage;
begin
  ImageEnView1.IO.LoadFromFile('C:\input.jpg');

  im := ImageEnView1.IEBitmap.GetIEVisionImage();
  im.pyrDown();
  ImageEnView1.IEBitmap.AssignIEVisionImage(im);
end;

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