How to create alpha pixmap on drawingarea?



HELLO:

I using a GtkDrawingarea to show pixmap video,program need to measure
something,such as line length,area,girth,
volume,and then draw text on it.

because the pixmap video can stop,i need the text still on the
pixmap,so i need to use 2 channels,
how can i do this ?



[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]