TIOParams.JPEG_Scale_Used
Declaration
property JPEG_Scale_Used: Integer;
Description
Returns the denominator of the scale used to load the current Jpeg image (e.g. if it was loaded at 1/4 size, then 4 will be returned). It is used only when
JPEG_Scale is
ioJPEG_AUTOCALC.
Note: To get the actual size of the image use
OriginalWidth and
OriginalHeightDefault: 1
ImageEnView1.IO.Params.LoadToWidth := 150;
ImageEnView1.IO.Params.LoadToHeight := 100;
ImageEnView1.IO.Params.JPEG_Scale := ioJPEG_AUTOCALC;
ImageEnView1.IO.LoadFromFile('C:\my.jpg');
Case ImageEnView1.IO.Params.JPEG_Scale_Used of
1: ShowMessage('Full-size');
2: ShowMessage('Half-size');
4: ShowMessage('Quarter-size');
8: ShowMessage('Eighth-size');
end;