Sha256: 342ccf97a2f7073e99f4a64bea69087baa9512ebf515b4d79aa89e8e2d1a04a5
Contents?: true
Size: 983 Bytes
Versions: 9
Compression:
Stored size: 983 Bytes
Contents
# -*- coding: utf-8 -*-
# gradation.rb
#
# gradation.rb: 文字列をグラデーション表示
# パラメタ:
# str: 文字列
# first_color: グラデーション開始色(16進 6桁指定)
# last_color: グラデーション終了色(16進 6桁指定)
#
# Copyright (c) 2002 TADA Tadashi <sho@spc.gr.jp>
# You can distribute this file under the GPL2 or any later version.
#
def gradation( str, first_color, last_color )
ary = str.split( //u )
len = ary.length - 1
result = ""
r = first_color[0..1].hex.to_f
g = first_color[2..3].hex.to_f
b = first_color[4..5].hex.to_f
rd = ((last_color[0..1].hex - r)/len)
gd = ((last_color[2..3].hex - g)/len)
bd = ((last_color[4..5].hex - b)/len)
ary.each do |x|
c = sprintf( '%02x%02x%02x', r, g, b )
result << %Q[<span style="color: ##{c}">#{h x}</span>]
r += rd
g += gd
b += bd
end
result
end
# Local Variables:
# mode: ruby
# indent-tabs-mode: t
# tab-width: 3
# ruby-indent-level: 3
# End:
Version data entries
9 entries across 8 versions & 1 rubygems