Re: gperotate library support for 4 BPP
From: Dean Ramsier (ramsiernospam_at_nospam.com)
Date: 05/28/04
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Date: Fri, 28 May 2004 12:09:42 -0400
Another option that may or may not work for you is to change your pallete
size to 8bpp. A BPP designation means different things in hardware than it
does in software. I'm not sure what you meant by a 4BPP hardware
interface - is this an LCD that has only 4 data bits? You can always map
the palettes to display the colors that are supported by the lcd. As far as
CE is concerned, it's an 8bpp display.
-- Dean Ramsier - eMVP "Jegan" <jeganmrdel@hotmail.com> wrote in message news:e7EeqsLREHA.2936@TK2MSFTNGP12.phx.gbl... > Hardware rotation is the only option. I will talk to media Q engineers and > get help. > > GPEROTATE is not supporting 4BPP and there is an assert statement in > gperotate.cpp which would assert any thing less than 8 BPP. > > Thanks > Jegan > > > "Dean Ramsier" <ramsiernospam@nospam.com> wrote in message > news:%23sxy0BLREHA.3988@tk2msftngp13.phx.gbl... > > MediaQ has hardware rotation support in at least some of their devices. > > In > > the past, they did not always take advantage of it in conjunction with > > CE.NET rotation. You might wish to contact them and see what their > > recomendations are regarding screen rotation in CE.NET. If the hardware > > based rotation is available, it would be significantly faster. > > > > As far as the support for software based rotation in CE.NET, I would think > > it would work. However, I can't say for sure. > > -- > > Dean Ramsier - eMVP > > > > > > "Jegan" <jeganmrdel@hotmail.com> wrote in message > > news:eq5sWQCREHA.3728@TK2MSFTNGP10.phx.gbl... > >> Hi, > >> > >> We are involved in developing audio conferencing solution with x86 based > >> platform and Windows CE 4.2. I need clarification on gperotate libraries > >> limitations. We are using emulation library to do blt and line drawing > >> and > >> our hardware Display interface is 320 x 240 x 4BPP LCD panel driven by > > Media > >> Q PCI chipset. > >> > >> Question: > >> Is that possible to use gperotate library to do rotation for 4 BPP > >> configuration? > >> > >> Jegan > >> > >> > > > > > >
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