From: Pietro Gagliardi <pietro10@mac.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] How to read/write pixels from Memimage
Date: Sun, 27 Jan 2008 20:08:46 -0500 [thread overview]
Message-ID: <19FFCFC6-E151-4A65-8DE6-B3DB3231C312@mac.com> (raw)
In-Reply-To: <E1CC28FB-F957-492E-8063-1F2AD696B016@mac.com>
Another question: in RGB24, how are colors composited: 0x00RRGGBB or
0xRRGGBB00? I can't seem to get a picture that is solid red; just a
wacky line art picture.
On Jan 27, 2008, at 7:18 PM, Pietro Gagliardi wrote:
> It's up.
>
> On Jan 27, 2008, at 6:44 PM, Pietro Gagliardi wrote:
>
>> Okay, I just found out that division by zero meant a black pixel
>> would be placed, so I am going to add that and upload a new version.
>>
>> On Jan 27, 2008, at 1:05 PM, Skip Tavakkolian wrote:
>>
>>>> The code led me to confusion, so I just decided to use wordaddr. It
>>>> works properly now, and my Pico is now up at /n/sources/contrib/
>>>> pietro/pico9.tgz (note the 9). Details are in README.Plan9, test
>>>> files are in /lib/face/.
>>>
>>> some book examples are failing:
>>>
>>> cpu% 8.out
>>> 1: new[x,y] = x % y
>>> 8.out 181613: suicide: sys: trap: divide error pc=0x000023fd
>>>
>>
>
next prev parent reply other threads:[~2008-01-28 1:08 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-25 22:05 Pietro Gagliardi
2008-01-26 14:05 ` Russ Cox
2008-01-26 14:09 ` Pietro Gagliardi
2008-01-26 14:55 ` Russ Cox
2008-01-26 23:22 ` Pietro Gagliardi
2008-01-27 18:05 ` Skip Tavakkolian
2008-01-27 18:55 ` Pietro Gagliardi
2008-01-27 19:29 ` [9fans] pico Steve Simon
2008-01-28 23:36 ` Russ Cox
2008-01-29 0:30 ` Pietro Gagliardi
2008-01-29 5:30 ` Bruce Ellis
2008-01-29 20:33 ` Pietro Gagliardi
2008-01-29 20:35 ` Pietro Gagliardi
2008-01-29 22:46 ` Russ Cox
2008-01-30 1:13 ` Pietro Gagliardi
2008-01-30 6:53 ` Bruce Ellis
2008-01-30 23:42 ` Pietro Gagliardi
2008-01-30 23:55 ` Pietro Gagliardi
2008-01-31 7:41 ` Bruce Ellis
2008-02-05 3:01 ` Pietro Gagliardi
2008-01-27 19:14 ` [9fans] How to read/write pixels from Memimage Pietro Gagliardi
2008-01-27 23:44 ` Pietro Gagliardi
2008-01-28 0:18 ` Pietro Gagliardi
2008-01-28 1:08 ` Pietro Gagliardi [this message]
2008-01-28 1:22 ` erik quanstrom
2008-01-28 3:23 ` Pietro Gagliardi
2008-01-28 9:24 ` mattmobile
2008-01-28 16:20 ` ron minnich
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