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authorJoe Hunkeler <jhunkeler@gmail.com>2015-08-11 16:51:37 -0400
committerJoe Hunkeler <jhunkeler@gmail.com>2015-08-11 16:51:37 -0400
commit40e5a5811c6ffce9b0974e93cdd927cbcf60c157 (patch)
tree4464880c571602d54f6ae114729bf62a89518057 /noao/imred/dtoi/hdicfit/hdicgredraw.x
downloadiraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz
Repatch (from linux) of OSX IRAF
Diffstat (limited to 'noao/imred/dtoi/hdicfit/hdicgredraw.x')
-rw-r--r--noao/imred/dtoi/hdicfit/hdicgredraw.x22
1 files changed, 22 insertions, 0 deletions
diff --git a/noao/imred/dtoi/hdicfit/hdicgredraw.x b/noao/imred/dtoi/hdicfit/hdicgredraw.x
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+include <gset.h>
+
+define MSIZE 2.0
+
+# HD_REDRAW -- Redraw a data point. The old position marker is erased,
+# the new marker drawn, and the cursor moved to the new location.
+
+procedure hd_redraw (gp, oldx, oldy, newx, newy)
+
+pointer gp # Pointer to graphics stream
+real oldx # Old x coordinate
+real oldy # Old y coordinate
+real newx # New x coordinate
+real newy # New y coordinate
+
+begin
+ call gseti (gp, G_PMLTYPE, GL_CLEAR)
+ call gmark (gp, oldx, oldy, GM_PLUS, MSIZE, MSIZE)
+ call gseti (gp, G_PMLTYPE, GL_SOLID)
+ call gmark (gp, newx, newy, GM_PLUS, MSIZE, MSIZE)
+ call gscur (gp, newx, newy)
+end