Thanks Scott - this has given me a good start. When you say a system alert will be mapped to my colours, do you mean mapped as in it picks the best colour from my palette that it should be in, or it simply uses a palette entry that it expects to be grey but is in fact now bright pink iyswim ?
Regards, Paul Johnson Applewood House www.applewoodhouse.com ----- Original Message ----- From: "Paul Johnson" <[EMAIL PROTECTED]> To: "Palm Developer Forum" <[EMAIL PROTECTED]> Sent: Saturday, July 19, 2003 1:05 PM Subject: Colour > Hi. > > I've decided my app is gonna have to use 256 colour images and there will be > quite a few of them blitted about, some of which using operations not > available through the OS so I need to make my own blitting routines. I have > a few questions if I may. > > 1) Is there a way to force a device to using 256 colours, or fail in the > attempt if it can't manage it ? I'm thinking more about newer machines > which *may* have 16 bit colour support. Can I then reliably make an > offscreen window that will server as my canvas that I can fill up then copy > to the viewing screen in one go when finished ? > > 2) I won't be using *any* of the OS gui functions so I'm assuming I can > nuke the entire palette with my custom colours as long as I put em back when > my app quits. Is this doable ? > > 3) Is their a definitive reference on this subject ? I saw one once a > long time ago, but since coming back into the palm world I can't find > anything that covers the specific topics I'm looking for > > Many thanks in advance... > > > Regards, > Paul Johnson > Applewood House > www.applewoodhouse.com > > > > -- > For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/ > -- For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/
