[Squeak-VMdev] Re: Gamma correction on OSX

[John M M. <jo...@sm...>]

I compiled a version Tuesday night. I'll see if I can push it out Wed  
evening.

On Aug 31, 2004, at 2:07 PM, Bert Freudenberg wrote:

> This looks *much* better! Thanks!
>
> The next Squeakland release is only a few days away, since some  
> schools start next week. Michael actually wants to create release  
> candidate installers today, with the actual release following later  
> this week. Perhaps you could do the backport even sooner?
>
> Btw, I did build a VM myself, but when the latest SF sources only have  
> your 3.7.1b3 version? Or is it just the info.plist files and resource  
> icons which are not up to date?
>
> - Bert -
>
> Am 31.08.2004 um 20:17 schrieb John M McIntosh:
>
>> This is fixed, I've released an early VM for testing of application  
>> background click behavior and the color mapping change, we now use a  
>> lookup table
>> to smoothly map from '00000'b<->'11111'b to 0x00 0xFF
>>
>> I most likely will backport this change to a 3.7.5 version in the  
>> next week.
>>
>> You can find a beta on
>>
>> see http://homepage.mac.com/johnmci/
>>
>> Squeak 3.8.1Beta2.app.sit
>>
>> It has
>>
>> a) Native Menubar support, still being written is the Smalltalk  
>> EventSensor code (my task for today).
>> b) The color mapping from 16 color space to 32 bit color space  
>> follows a smooth transition curve, versus a logrithmic like pattern.  
>> This makes
>> color shading look correct when going from 16 to 32bit displays and  
>> having squeak in 16bit appearance mode.
>> c) Multiple window support, (a work in progress by Tim and myself).
>> d) Minor changes to mac support files to eliminate compiler warning  
>> messages about improper casting, and returning void from routines  
>> returning int.
>> e) toss the mouse click activation event when you click on the Squeak  
>> window and it's a background window.
>>
>> On Aug 31, 2004, at 2:39 AM, Bert Freudenberg wrote:
>>
>>> Hi John,
>>>
>>> when testing the new Squeakland image  
>>> (http://impara.de/drop/m17n/DSqueak3.8a-5976-60004-267r-plugin.zip),  
>>> I noticed the menus look odd. They now have a horizontal gradient,  
>>> which before was a solid color. Apparently, a gamma correction is  
>>> performed when displaying the 16 bit Squeak Display on the OS's 32  
>>> bit screen. Things look fine when both the OS and Squeak are set to  
>>> 16 bits. Is it possible to suppress this color correction? We cannot  
>>> easily change the default depth of Squeak to 32 bits, because  
>>> certain existing Etoys rely on exact color matches.
>>>
>>> - Bert -
>
>
>
--
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John M. McIntosh <jo...@sm...> 1-800-477-2659
Corporate Smalltalk Consulting Ltd.  http://www.smalltalkconsulting.com
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