diff options
Diffstat (limited to 'ipl/gprocs/clrutils.icn')
-rw-r--r-- | ipl/gprocs/clrutils.icn | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/ipl/gprocs/clrutils.icn b/ipl/gprocs/clrutils.icn new file mode 100644 index 0000000..9dcbed6 --- /dev/null +++ b/ipl/gprocs/clrutils.icn @@ -0,0 +1,45 @@ +############################################################################ +# +# File: clrutils.icn +# +# Subject: Procedures to convert color formats +# +# Author: Ralph E. Griswold +# +# Date: September 17, 1998 +# +############################################################################ +# +# This file is in the public domain. +# +############################################################################ +# +# These procedures convert between comma-separated Icon color +# specifications and a record with r, g, and b fields. +# +############################################################################ + +record RGB(r, g, b) + +procedure colortorgb(color) #: rgb record for color + local rgb + + rgb := RGB() + + color ? { + rgb.r := tab(upto(',')) | fail + move(1) + rgb.g := tab(upto(',')) | fail + move(1) + rgb.b := tab(0) + } + + return rgb + +end + +procedure rgbtocolor(rgb) + + return rgb.r || "," || rgb.g || "," || rgb.b + +end |