From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001 From: Joseph Hunkeler Date: Wed, 8 Jul 2015 20:46:52 -0400 Subject: Initial commit --- sys/pmio/pmpoint.x | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 sys/pmio/pmpoint.x (limited to 'sys/pmio/pmpoint.x') diff --git a/sys/pmio/pmpoint.x b/sys/pmio/pmpoint.x new file mode 100644 index 00000000..c464c47e --- /dev/null +++ b/sys/pmio/pmpoint.x @@ -0,0 +1,31 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +include +include + +# PM_POINT -- Perform a rasterop operation on a single point in a line of a +# 2-dimensional plane of a mask. If the dimensionality of the mask exceeds 2, +# the pm_setplane() procedure should be called first to define the plane of +# the mask to be modified. + +procedure pm_point (pl, x, y, rop) + +pointer pl #I mask descriptor +int x #I pixel to be modified +int y #I line to be modified +int rop #I rasterop defining operation + +errchk pl_getplane +include "pmio.com" + +begin + if (PM_MAPXY(pl) == YES) { + call pl_getplane (pl, v1) + v1[1] = x; v1[2] = y + call imaplv (PM_REFIM(pl), v1, v2, PM_MAXDIM) + + call pl_point (pl, v2[1], v2[2], rop) + + } else + call pl_point (pl, x, y, rop) +end -- cgit