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Date Posted: 07:23:14 09/11/00 Mon
Author: Michel
Subject: Re: Big black square
In reply to: Andy 's message, "Re: Big black square" on 10:54:52 09/08/00 Fri

Hi Andy,

Let me work on the first problem and the file you have emailed me. I will get back to you; this is probably related.

Best regards,


> >
> > Hi Andy,
> >
> > I tried to reproduce the problem without success.
> When
> > the zoom value is changed in the TImageScrollBox, the
> > TResizeTransform is used. This in turn, calls the
> > windows API function,
> > SetStretchBltMode, to resize the graphic. I would
> > think that with a certain lower zoom threshold the
> > function does not work. This is probably dependent on
> > video card/driver/OS, just like with the limitation
> > with large images.
> >
> > Best regards,
> >
> > Michel
> >
> Michel:
> In a mean time I have discovered another problem:
> nothing is coming out of the printer with the same
> file, when zoomed to extents (at 1280x960 screen size
> zoom is about 5%), with larger zoom factor printing is
> done ok. It means that, for some reasons, there is no
> information to be reproduced is received by the
> StretchDraw function. Any ideas?
> Andy

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  • Re: Big black square -- Michel, 17:59:01 09/11/00 Mon
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