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Date Posted: 20:29:53 04/25/04 Sun
Author: Michel
Subject: Re: rowsperstrip
In reply to: Peter Rettig 's message, "Re: rowsperstrip" on 04:17:14 04/20/04 Tue


Hi Peter,

MaxLongInt is 2147483647. Try with that value or smaller for RowsPerStrip. You do not need to recompile the package as it is only used at design time. Just change the .Pas file.

Best regards,

Michel

>Hi Michel,
>
>I have changed the file entifgr.pas like described,
>compiled. I have changed the files EnTifGr.dcu,
>En_D4.dcu, En_D4.dcp, En_D4.bpl. But the result is the
>same.
>
>procedure TForm1.Button1Click(Sender: TObject);
>var
> DestGraphic : TTiffGraphic;
> i, j: longint;
>begin
> j :=
>ImageScrollBox1.ImageCountFromFile(FilenameEdit1.FileNa
>me);
> ImageScrollBox1.LoadFromFile(FilenameEdit1.FileName,
>0);
> DestGraphic := TTiffGraphic.Create;
> DestGraphic.Compression := tcGroup4;
> DestGraphic.Assign(ImageScrollBox1.Graphic);
> DestGraphic.RowsPerStrip := 4294967295;
> DestGraphic.SaveToFile(FilenameEdit1.FileName +
>'.TIF');
> for i := 2 to j do begin
>
>ImageScrollBox1.AppendToFile(FilenameEdit1.FileName +
>'_neu.TIF');
> end;
>end;
>
>Can you advice?
>
>Best regards,
>
>Peter
>
>>
>>Hi Peter,
>>
>>This has been corrected in the latest code base. It is
>>now limited to MaxLongInt, about 2Gig. The code is
>now,
>>
>>procedure TTiffGraphic.SetRowsPerStrip( const
>>InRowsPerStrip : LongInt );
>>begin
>> FRowsPerStrip := BoundInteger(InRowsPerStrip, 1,
>>MaxLongInt);
>>end;
>>
>>Let me know if you have problems. This change will be
>>in the next version.
>>
>>Best regards,
>>
>>Michel
>>
>>
>>>Hi,
>>>
>>>I tried to save a TIF-image with 4 294 967 295 (FF FF
>>>FF FF) rowsperstrip. But the highest accepted value
>at
>>>this property semms to be 4095!?
>>>Is there a way to support larger values?
>>>
>>>Best regards,
>>>
>>>Peter

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