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authorJoseph Hunkeler <jhunkeler@gmail.com>2015-07-08 20:46:52 -0400
committerJoseph Hunkeler <jhunkeler@gmail.com>2015-07-08 20:46:52 -0400
commitfa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 (patch)
treebdda434976bc09c864f2e4fa6f16ba1952b1e555 /sys/gio/gpl.com
downloadiraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz
Initial commit
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+# GPL.COM -- Polyline generator common.
+
+bool last_point_inbounds # last point was inbounds
+int xtran, ytran # scaling function for X, Y axes (linear,log,,)
+int op # index of next cell in polyline array
+int pl_type # type of instruction (polyline, polymarker,...)
+int pl_pointmode # plotting points (polymarker), not vectors
+int wcs # WCS for which cache is valid
+long mxorigin, myorigin # origin in world coordinates for transform
+real wxorigin, wyorigin # origin in world coordinates for transform
+real xscale, yscale # scale factor, world to GKI, for transform
+real cx, cy # current pen position, world coords
+long mx1, mx2, my1, my2 # clipping viewport, GKI coords
+long xs[4], ys[4] # last point plotted (for clipping code)
+pointer gp_out # device which owns current polyline
+short pl[LEN_PLBUF] # output polyline buffer
+
+common /gplcom/ last_point_inbounds, xtran, ytran, op, pl_type, pl_pointmode,
+ mxorigin, myorigin, wxorigin, wyorigin, xscale, yscale, cx, cy,
+ mx1, mx2, my1, my2, xs, ys, gp_out, wcs, pl