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Date Posted: 07:26:40 06/14/01 Thu
Author: Michel
Subject: Re: Tiff Compression
In reply to: Ron Link 's message, "Tiff Compression" on 17:23:51 06/13/01 Wed


Hi Ron,

Your code is correct. The EnTifGr.Dcu unit in the evaluation version does not set the tiff compression properly. I will email you directly an updated EnTifGr.Dcu file. Please let me know if there are other dependencies, I may need to send you other DCU files.

Best regards,

Michel

>I'm trying the Envision Image Lib Demo version 1.1
>with Delphi 5 and want to open a bmp and then save it
>as a compressed tif. My saved tif is the same size as
>the original bmp and therfore must not be compressing
>correctly. I've replaced the EnTifGr.dcu in the
>Envision / D5 directory with the updated version from
>the Envision website as mentioned in similar posted
>messages. Can you point me in the right direction?
>
>Here's my code:
>
>procedure TForm1.Button1Click(Sender: TObject);
>var
> TifGraphic : TTiffGraphic;
>begin
> TifGraphic := TTiffGraphic.Create;
> TifGraphic.Compression := tcGroup3_1d;
> try
> ImageScrollBox1.FileName :=
>'c:\windows\desktop\ron.bmp';
> TifGraphic.Assign(ImageScrollBox1.Graphic);
>
>TifGraphic.SaveToFile('c:\windows\desktop\ron.tif');
> ImageScrollBox1.FileName :=
>'c:\windows\desktop\ron.tif';
> ImageScrollBox1.Redraw(true);
> finally
> TifGraphic.Free;
> end;
>end;
>
>
>Thanks,
>Ron Link

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