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color, text, and bitmaps


I'm using quickdraw as a visual interface for this production system i'm
designing. Computational operations are done on bitmaps, and the results
are displayed in windows via a grafport. The problem I've run into is
that I'm trying to incorparate some text and color into the windows (the
text is more important though), and none of this information seems to be
able to be encoded into the bitmaps directly. When I redisplay them
(after some later calculation) the text and color are lost. Anyone have
any ideas about how to get around this? I suppose I could always
implememt an array which encoded the color/text info which could then be
applied to the windows everytime they're redisplayed, but I would rather
not have another data structure floating around. Any suggestions would
be appreciated.