diff options
Diffstat (limited to 'sys/gio/gks/gqclip.x')
| -rw-r--r-- | sys/gio/gks/gqclip.x | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sys/gio/gks/gqclip.x b/sys/gio/gks/gqclip.x new file mode 100644 index 00000000..5694b353 --- /dev/null +++ b/sys/gio/gks/gqclip.x @@ -0,0 +1,40 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +include <gset.h> +include "gks.h" + +# GQCLIP -- Inquire value of clipping flag + +procedure gqclip (errind, iclip, iar) + +int errind # Error indicator +int iclip # Clipping flag - returned value +real iar[4] # Clipping array + +int gstati() +include "gks.com" + +begin + # Until I know what this argument is, set iar to full viewport. + # Consulting with NCAR was not enlightning. This argument (iar) + # is not documented in the GKS level 0A standard. + iar[1] = 0.0 + iar[2] = 1.0 + iar[3] = 0.0 + iar[4] = 1.0 + + if (gk_std == NULL) { + # GKS not in proper state; no active workstations + errind = 7 + iclip = -1 + return + } else + errind = 0 + + iferr { + iclip = gstati (gp[gk_std], G_CLIP) + } then { + errind = 1 + iclip = -1 + } +end |