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############################################################################
#
# File: drawcolr.icn
#
# Subject: Procedure to display color list
#
# Author: Ralph E. Griswold
#
# Date: May 2, 2001
#
############################################################################
#
# This file is in the public domain.
#
############################################################################
#
# This program displays the colors given in a list.
#
############################################################################
#
# Requires: Version 9 graphics
#
############################################################################
#
# Links: graphics
#
############################################################################
$define Cells 16
$define Width 20
link graphics
procedure draw_colors(clist)
local i, j, k, depth, color, colors
depth := *clist / Cells
if *clist % Cells ~= 0 then depth +:= 1
WClose(\colors)
colors := WOpen("size=" || (Cells * Width) || "," || (depth * Width),
"bg=black") | {
Notice("Cannot open window for color map.")
exit()
}
every j := 0 to depth - 1 do
every i := 0 to Cells - 1 do {
color := get(clist) | break break
Fg(colors, color) | {
Notice("Cannot set foreground to " || image(color) || ".")
next
}
FillRectangle(colors, i * Width + 1, j * Width + 1, Width - 1,
Width - 1)
}
Bg(colors, "dark gray")
Fg(colors, "black")
WAttrib(colors, "fillstyle=textured")
WAttrib(colors, "pattern=checkers")
every k := i to Width - 1 do # fill out rest
FillRectangle(colors, k * Width + 1, j * Width + 1, Width - 1, Width - 1)
return colors
end
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