I also draw the bitmap to an offscreen window. But on the WinCreateOffscreenWindow API, I don't see any mention of specifying the color depth. How do I set it to 1bpp?
"Ben Combee" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > At 02:37 PM 5/11/2004, you wrote: > >I would like the display to still show all color for everything but > >display/process/save the signature window as a simple 1-bit file. > > > >Any ideas would be greatly appreciated! > > Make a 1-bpp bitmap, make an window for it (WinCreateBitmapWindow), and > copy the signature to that bitmap using WinCopyRectangle, then save from that. > > Or, you could do what I'm doing in an updated version of the Signature++ KB > sample I'm working on -- as you draw the points for the signature on > screen, also draw the same thing to an off-screen window which is > 1-bpp. That saves you the trouble of capturing off the screen; instead, > you always have an off-screen bitmap that you can use to refresh the screen. > > > -- Ben Combee, DTS technical lead, PalmSource, Inc. > Read "Combee on Palm OS" at http://palmos.combee.net/ > > > -- For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/
