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| Subject:
Alphablend question ??
From: ####@####.#### Date: 15 Jan 2001 18:28:15 -0000 Message-Id: <3A634A0E.A6A5F94A@topiaventures.com> Hi Do u have any suggestion that we can do a bitmap bliting with each pixel has its alpha channel? I'm trying to do Alphablending and just wonder that can microwindows support it? Tuan | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Subject:
Re: Alphablend question ??
From: "Greg Haerr" ####@####.#### Date: 15 Jan 2001 20:07:08 -0000 Message-Id: <015501c07f2e$6dcabc00$15320cd0@gregh> : Do u have any suggestion that we can do a bitmap bliting with each pixel
: has its alpha channel? I'm trying to do Alphablending and just wonder
: that can microwindows support it?
Currently, the alphablending blitters use a constant alpha channel. While
this is on my list, a quick hack would allow a variable alpha channel passed
along, rather than the constant alpha. Check out the drivers in
microwin/src/drivers/fblin{8,16,24,32}.c
Regards,
Greg
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