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[ts-7000] Re: pictures on screen?

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Subject: [ts-7000] Re: pictures on screen?
From: "bibhu" <>
Date: Mon, 08 Oct 2007 10:03:57 -0000
Hi Peter,

Small doubt wrt converting BMPs to framebuffer types.
./MakeImg <Source Filename> <Output Filename>
What should be the extension of the output file ?

Thanks,

Bibhu

--- In  "bibhu" <> wrote:
>
> 
> Hi Peter,
> 
> Thanks for the quick response. Yeah, we cannot do much compression.
> 
> I'll check the start up scripts. It'll be really useful for wrting
> manuals for sure. :)
> 
> Thanks & Regards,
> 
> Bibhu
> 
> 
> > I created an image using GIMP or PaintShopPro, although any
> > application which can create a BMP file will work. I saved the 
image
> > as an uncompressed BMP file. Any image editor would be able to
> > convert a JPEG into a BMP file, but the image will not be able to 
be
> > compressed as much via bzip if there is a lot of dithering in the
> > image.
> >
> > I then compiled the code in the files section and then called it 
with
> > the bmp file as the first parameter pointing to the image file.
> >
> > The MakeImgs program creates a 16-bit image compatible with the
> > framebuffer (assuming image has the same dimensions as the screen
> > being used). This file can be loaded directly into a framebuffer, 
but
> > the image can normally be compressed using bzip and then unzipped
> > directly to the framebuffer. I used the same commands as those in 
the
> > startup fastboot script (I can't remember them off the top of my 
had).
> >
> > I'll see if I can put together a small example program when I get
> > back to my TS-7300.
> >
> > Regards,
> >
> > PJE
> >
> > I also have a function ot perform the oposite function. Take 
whatever
> > is on the TS-7300 screen and write out a BMP file... very useful 
for
> > writing manuals ;)
> >
> >
> > --- In  "bibhu" bibhu_420@ wrote:
> > >
> > > Hi Peter,
> > >
> > > Can you point me to some reference
> > > 1)How to write the 16-bit TS-7300 frame buffer compatible data 
file
> > > onto the framebuffer device?
> > > 2)Will step 1 render the image out of the VGA port ?
> > >
> > > Also I was wondering if it is feasible to convert a JPEG into a 
16-
> > > bit TS-7300 frame buffer compatible data file.
> > > I am afraid there would be losses since JPEG is compressed.
> > >
> > > Thanks,
> > >
> > > Bibhu
> > >
> > >
> > >
> > > --- In  "PeterElliot" <egroups@> wrote:
> > > >
> > > > --- In  Dennis Rockwell 
<dennis_yahoo@>
> > > > wrote:
> > > > >
> > > > > I'm trying to put pictures up on the screen (no decoration,
> > > > > no graphical controls, just a picture), and in the archives
> > > > > there's a mention of a converter into the framebuffer's
> > > > > native format, so we can just write() the image onto the
> > > > > framebuffer device. BUT, I can't find this code in the
> > > > > files section of this group. Can somebody please point me
> > > > > to this code?
> > > > >
> > > > > Thanks!
> > > > >
> > > > > Dennis
> > > > >
> > > >
> > > > It's called MakeImgs.c in the Files section:
> > > >
> > > > http://f1.grp.yahoofs.com/v1/
> > gGS2RqBWscLDhCbq5mu5IOnOrOElhy8VbLfPVi-
> > > > gKsvUHw9zFapPg74f6qCG9I3C5Nrdq5JTibQuB34EgNWmPg/MakeImgs.c
> > > >
> > > > It takes a Windows BMP file and creates an array of 16-bit 
values
> > > > which can be copied into the framebuffer. If gzip the 
resultant
> > > file
> > > > and then unzip directly to the framebuffe to save space.
> > > >
> > > > PJE
> > > >
> > >
> >
>




 
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