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| author | Joe Hunkeler <jhunkeler@gmail.com> | 2015-08-11 16:51:37 -0400 |
|---|---|---|
| committer | Joe Hunkeler <jhunkeler@gmail.com> | 2015-08-11 16:51:37 -0400 |
| commit | 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 (patch) | |
| tree | 4464880c571602d54f6ae114729bf62a89518057 /sys/gio/gks/gschup.x | |
| download | iraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz | |
Repatch (from linux) of OSX IRAF
Diffstat (limited to 'sys/gio/gks/gschup.x')
| -rw-r--r-- | sys/gio/gks/gschup.x | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sys/gio/gks/gschup.x b/sys/gio/gks/gschup.x new file mode 100644 index 00000000..d7698c41 --- /dev/null +++ b/sys/gio/gks/gschup.x @@ -0,0 +1,23 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +include <gset.h> + +# GSCHUP -- Set character up vector. + +procedure gschup (chux, chuy) + +real chux, chuy # Character up vector, in world coordinates +int char_up +bool fp_equalr() + +begin + # Find the angle normal to the text baseline. The angle is stored + # in degrees between -180 and +180. + + if (fp_equalr (chux, 0.0)) + char_up = 90 + else + char_up = nint (atan2 (chuy, chux) * 180. / 3.1415926) + + call gsawi (G_TXUP, char_up) +end |