| From: | Andreas Kuessner |
| Date: | 5 Sep 2000 at 19:16:03 |
| Subject: | Re: AMIOPEN: Dev Questions |
Hi,
> Daniel Adler wrote:
>>
>> Hi Pat,
>> here's an answer to question 8
>>
>>> -------------------------------------------------------------------
>>> 008
>>> -------------------------------------------------------------------
>>> Q: How can pixels be directly written to a pixmap frame buffer?
>>
>> 1. Allocate memory for the given size of the pixmap frame buffer.
>> 2. Open a specific pixmap instance and give it the pointer of your
>> allocated memory
>> 3. Write to the memory, and call update on the pixmap-object
>>
>> example:
>> qcall lib/malloc,(640*480*4:buf)
>> qcall ave/avo/pix/32bit/open,(buf,640,480,640*4:pix)
>>
>> cpy $FF000000,[buf]
>> ncall pix,update,(pix:-)
o.k., but what is if you opend a pixmap using an cnv loader? There
you can not specify your own buffer. How to access the pixmap-memory in this
cases?
Bye, Andreas.
.oO---------------------------------------------------------------Oo.
Andreas K�ssner E-Mail: ak@wk-artworks.de HP: www.wk-artworks.de
Wildfire and Taifun Project Manager
.oO---------------------------------------------------------------Oo.
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