Hi Holger,

1800x1360 is a lot of pixels - that's over 7 million bytes per image to 
process (2.4 million pixels * 3 bytes per pixel).

If you have any effects on, it'll be even worse as there'll be over 7 
million calculations.

720*576, by comparison, is only 1.2 million bytes (414,000 pixels).  In 
other words, you've increased the amount of work nearly 6-fold.  It's no 
wonder your performance tanks.

Also, always try to enlarge by multiples of 2.  Here, you've change the 
aspect ratio, so on top of all the additional pixels, there's a lot of 
interpolation going on too.

- Tab


At 08:29 PM 5/27/02 +0000, [EMAIL PROTECTED] wrote:

>Oh no, I want to capture with the biggest size that is possible. In my
>case 720x576. This works fine, without delay.
>
>The problems starts when I enlarge this to a Sprite.Rect of  1800x1360.
>
>thanks Holger

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