Re: TBitmap memory allocation
- From: "Tom de Neef" <tdeneef@xxxxxxxx>
- Date: Wed, 20 Jul 2005 16:49:59 +0200
----- Original Message -----
From: "Nicolai Hansen" <nic@xxxxxx>
Newsgroups: comp.lang.pascal.delphi.misc
Sent: Wednesday, July 20, 2005 3:36 PM
Subject: Re: TBitmap memory allocation
> Nicholas Sherlock <n_sherlock@xxxxxxxxxxx> wrote in message
> news:<dbl5e9$13v$1@xxxxxxxxxxxxxxx>...
>> Nicolai Hansen wrote:
> For J - its for an industrial application printing on lottery coupons
> at very high speeds. Every letter on the coupon is a small bitmap,
> every symbol is a small bitmap, etc. Our customer tells us that they
> can easily use 20 different sets of symbols ("fonts") in each job; a
> font consist of up to 256 characters, all of which must be pre-loaded
> for speed...
>
You could combine all characters of one "font" into one bitmap and use the
Tbitmap.Canvas.Copyrect method to transfer the part you want. The copyrect
operation is very fast.
Tom
.
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