On Wed, Aug 30, 2000 at 11:22:18AM -0400, Charles Rezsonya wrote:
> one of yer screen capture hacks?
>
> would you be able to tage some of those lines to explain a bit what ye are
> doing?
> like what point the image is pulled into the function,
The WinGetWindowPointer points to the raw image data from a window.
There are calls to grab bitmaps as well, but you'll have to find them.
> and how it is converted into pcx
It isn't. It is saved as a portable network map (PNM) - the header is
"P4\n160 160\n" and is followed by the raw image data.
You need to do a PCX header and write out the image data in PCX format.
> and then ready to send out? i understand serial so i
> don't need that part, just what i send at what point.
> tia
> Charles R
>
> -----Original Message-----
> From: Tom Zerucha <[EMAIL PROTECTED]>
> To: Palm Developer Forum <[EMAIL PROTECTED]>
> Date: Tuesday, August 29, 2000 12:44 PM
> Subject: Re: bmp to pcx?
>
>
> >On Tue, Aug 29, 2000 at 10:00:07AM -0400, Charles Rezsonya wrote:
> >> hello, is it possible to have a bitmap on the handheld and convert that
> to
> >> a pcx or simular type file? even if its not actually in that format on
> the
> >> unit 'tis ok. i'm looking to capture an image and send it out on the
> >> serial. thx
> >
> >Yes, it is fairly easy, but you need to convert it to whatever the
> >destination format is. The following does pnm files (see
> >www.wotsit.org or any unix/linux system or the Gimp).
> >
> > i = 32767;
> > t = DmNewRecord(dbR, &i, 3212);
> > bp = buf;
> > *bp++='P';
> > *bp++='4';
> > *bp++='\n';
> > *bp++='1';
> > *bp++='6';
> > *bp++='0';
> > *bp++=' ';
> > *bp++=' ';
> > *bp++='1';
> > *bp++='6';
> > *bp++='0';
> > *bp='\n';
> >
> > DmWrite(MemHandleLock(t), 0, buf,12);
> > DmWrite(MemHandleLock(t), 12,
> WinGetWindowPointer(FrmGetWindowHandle(FrmGetActiveForm()))->displayAddrV20,
> 3200);
> > MemHandleUnlock(t);
> > DmReleaseRecord(dbR, i, true);
> >
> >(This is from one of my screen capture hacks).
> >
> >It just happens that the internal screen and pnm formats coincide.
> >
> >But the above is the general idea. Prepare a header, copy and
> >compress or format the actual image data for the destination format,
> >then store or send.
> >
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> >
>
>
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