Lines Matching refs:xstart
943 for xstart, ystart, xstep, ystep in _adam7:
944 if xstart >= self.width:
947 ppr = int(math.ceil((self.width-xstart)/float(xstep)))
958 offset = y * vpr + xstart * self.planes
1572 for xstart, ystart, xstep, ystep in _adam7:
1574 # xstart, ystart, xstep, ystep)
1575 if xstart >= self.width:
1582 ppr = int(math.ceil((self.width-xstart)/float(xstep)))
1594 assert xstart == 0
1598 offset = y * vpr + xstart * self.planes