Hello,
I have a program that use multiple Xv extension enabled window and
draws images onto them with XvShmPutImage but when I try to put a line
with XDrawLine before XFlush, the line is drawn but flickers and after
that disappears; here is a snippet of code:
void XVWindow::DrawObjectsOnWindow()
{
XvShmPutImage( display, port, window, gc, BGimage, 0, 0, ImageWidth,
ImageHeight, 0, 0, WindowWidth, WindowHeight, False);
setColor(255, 0, 0);
setLineWidth(20);
XDrawLine(display, /*pm*/ window, gc, 0, 0, 120, 120 );
//for(int i=0; i< 50; i++)
//for(int j=0; j<50; j++)
// XCopyArea(display, pm, window, gc, 0, 0, 50, 50, 0,
0);//XCopyPlane?
XFlush( display );
}
What can I do? Is it possible for example to use a pixmap to solve the
matter; I have tried this also but the pixmap is drawn with XCopyArea
in a rectangular fashion while I'd like to use the simple XDrawLine.
Any help appreciated,
--
Amos Tibaldi
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