Class: Treemap::ColorBase

Inherits:
Object
  • Object
show all
Defined in:
lib/treemap/color_base.rb

Direct Known Subclasses

GradientColor

Instance Method Summary collapse

Instance Method Details

#blue(color) ⇒ Object 



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# File 'lib/treemap/color_base.rb', line 33

def blue(color)
    color.sub!(/^#/, "")
    color[4,2].hex 
end

#get_hex_color(value) ⇒ Object 



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# File 'lib/treemap/color_base.rb', line 15

def get_hex_color(value)
    # base classes override
end

#get_rgb_color(value) ⇒ Object 



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# File 'lib/treemap/color_base.rb', line 19

def get_rgb_color(value)
    # base classes override
end

#green(color) ⇒ Object 



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# File 'lib/treemap/color_base.rb', line 28

def green(color)
    color.sub!(/^#/, "")
    color[2,2].hex 
end

#red(color) ⇒ Object 



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# File 'lib/treemap/color_base.rb', line 23

def red(color)
    color.sub!(/^#/, "")
    color[0,2].hex 
end

#to_html(width = 1, height = 20) ⇒ Object 



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# File 'lib/treemap/color_base.rb', line 42

def to_html(width=1, height=20)
    html = "<div>"
    index = @min

    while(index <= @max)
        html += "<span style=\"display: block; float: left;"
        html += "width: " + width.to_s + "px;"
        html += "height: " + height.to_s + "px;"
        html += "background-color: #" + get_hex_color(index) + ";"
        html += "\">"
        html += "<img width=\"1\" height=\"1\" />"
        html += "</span>"
        index += @increment
    end

    html += "</div>"
    html
end

#to_rgb(color) ⇒ Object 



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# File 'lib/treemap/color_base.rb', line 38

def to_rgb(color)
    [red(color), green(color), blue(color)]
end