Home » U++ Library support » Draw, Display, Images, Bitmaps, Icons » Bug: ImageBuffer::alpha not initialised on X11
| Re: Bug: ImageBuffer::alpha not initialised on X11 [message #15773 is a reply to message #15608] |
Wed, 07 May 2008 17:07  |
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mirek
Messages: 14267
Registered: November 2005
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Ultimate Member |
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| mrjt wrote on Wed, 30 April 2008 10:24 |
| mr_ped wrote on Wed, 30 April 2008 15:00 |
| luzr wrote on Wed, 30 April 2008 11:55 |
Should I draw random data into alpha?  Win32 clears it for me.
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In case it is supposed to be uninitialized, and the OS does initialize it for you, I suggest to use random bytes in DEBUG mode trough #ifdef.
That will make such errors to appear in debug mode, yet it will not slow down release.
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I hadn't thought of that, it's a good compromise IMO.
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Well whatever, it is now cleared in X11. I guess it does not hurt much, ImageDraw is not supposed to be the performance king anyway.
Mirek
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Current Time: Thu Sep 04 05:44:59 CEST 2025
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