Get Y (luminance) component of image.
|offset ||Offset in circular buffer. Retrieve pointer to a Y image; note that this is a pointer, not a (shallow) copy. The QImage is an 8 bit deep image with grayscale palette.|
about double buffering.
Definition at line 1441 of file VideoDevice.cc.
Referenced by CDeltaPanel::UpdatePanel().
if (offset < 0 || offset >= Buffers)
return Y.at((Buffers + CurBuffer - offset) % Buffers);