Re: Anti-Alias on Win98 -- Envision Support Forum

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Date Posted: 09:56:51 02/02/06 Thu
Author: Kevin
Subject: Re: Anti-Alias on Win98
In reply to: Kevin 's message, "Re: Anti-Alias on Win98" on 09:22:36 02/02/06 Thu

>>
>>Hi Kevin,
>>
>>You can display your tiff by first using the
>>TAntiAliasTransform. This is what the example does in
>>DemoForm.Pas.
>>
>>Best regards,
>>
>>Michel
>>
>>
>>>Michael,
>>>Envision library v.2.5
>>>Anti-Aliasing Group IV Tiffs works fine on Win2k &
>XP.
>>>
>>>Same control with same images does not Anti-Alias on
>>>Win98 2nd edition.
>>>
>>>Unfortunatly one of my users insist on Win98.
>>>
>>>Could you please explain why or suggest a work
>around.
>>>
>>>Thanks in Advance,
>>>
>>>Kevin
>
>Ok, just so I understand. The Anti-alias property in
>the Imagescrollbox component does not work in Win98?
>
>So the fix is to process the image with the Anti-alias
>transform before viewing it?
>
>K

Tried it both ways.
1) Setting Antialias property in Imagescrollbox to True
2) Tried using TAntialiastransform

procedure AntiAliasW98;
var
AntiATransform: TAntiAliasTransform;
begin
try
AntiATransform := TAntiAliasTransform.Create;
AntiATransform.Apply(ImageBox.Graphic);
finally
AntiATransform.Free;
end;
end;

Result: Win200 & XP = Everything looks fine

Windows 98 2nd edition = Images are not antaliased

Any Ideas?

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