[lazarus] CVS Changes

[Shane Miller]

>Patent alert!  This method of drawing cursors is petended.  Daft, but it
is.
>Daft, because there are lots of other ways of doing it (like copy bitmap
>before cursor is put on, and replace).
>
>I don't care which way its done, but thought I'd point it out.
>
I heard that too.  I guess IBM owns the patent, but may not defend it yet.
Not sure what to do now.

XOR'ing it is best because it won't overwrite the text that's there then.

------------------------------------------------------------
Shane Miller

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----------------------------------------------------------
-----Original Message-----
From: Samuel Liddicott <sam at campbellsci.co.uk>
To: lazarus at miraclec.com <lazarus at miraclec.com>
Date: Friday, September 17, 1999 4:50 AM
Subject: RE: [lazarus] CVS Changes


>
>
>> -----Original Message-----
>> From: Shane Miller [mailto:smiller at lakefield.net]
>> Sent: Wednesday, September 15, 1999 04:34 AM
>> To: lazarus at miraclec.com
>> Subject: [lazarus] CVS Changes
>>
>> I need to be able to do this in order to display the cursor
>> correctly.  I can't
>> simply draw it and erase it like I'm doing now, I need to xor it
>> with itself to
>> erase it.
>
>Patent alert!  This method of drawing cursors is petended.  Daft, but it
is.
>Daft, because there are lots of other ways of doing it (like copy bitmap
>before cursor is put on, and replace).
>
>I don't care which way its done, but thought I'd point it out.
>
>Sam
>
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