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Size: 1.72 KB
Versions: 13
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Stored size: 1.72 KB
Contents
require 'rvg/rvg'
Magick::RVG.dpi = 90
Border = {:fill=>'none', :stroke=>'blue', :stroke_width=>1}
Connect = {:fill=>'none', :stroke=>'#888', :stroke_width=>2}
SamplePath = {:fill=>'none', :stroke=>'red', :stroke_width=>5}
EndPoint = {:fill=>'none', :stroke=>'#888', :stroke_width=>2}
CtlPoint = {:fill=>'#888', :stroke=>'none'}
AutoCtlPoint = {:fill=>'none', :stroke=>'blue', :stroke_width=>4}
Label = {:font_size=>22, :font_family=>'Verdana', :font_weight=>'normal', :font_style=>'normal'}
rvg = Magick::RVG.new(5.cm, 4.cm).viewbox(0, 0, 500, 400) do |canvas|
canvas.title = 'Example cubic01 - cubic Bezier commands in path data'
canvas.desc = <<-END_DESC
Picture showing a simple example of path data using both a
"C" and an "S" command, along with annotations showing the
control points and end points.
END_DESC
canvas.background_fill = 'white'
canvas.rect(496, 395, 1, 1).styles(Border)
canvas.polyline(100,200, 100,100).styles(Connect)
canvas.polyline(250,100, 250,200).styles(Connect)
canvas.polyline(250,200, 250,300).styles(Connect)
canvas.polyline(400,300, 400,200).styles(Connect)
canvas.path('M100,200 C100,100 250,100 250,200 S400,300 400,200').styles(SamplePath)
canvas.circle(10, 100, 200).styles(EndPoint)
canvas.circle(10, 250, 200).styles(EndPoint)
canvas.circle(10, 400, 200).styles(EndPoint)
canvas.circle(10, 100, 100).styles(CtlPoint)
canvas.circle(10, 250, 100).styles(CtlPoint)
canvas.circle(10, 400, 300).styles(CtlPoint)
canvas.circle(9, 250, 300).styles(AutoCtlPoint)
canvas.text(25, 70, 'M100,200 C100,100 250,100 250,200').styles(Label)
canvas.text(225, 350, 'S400,300 400,200').styles(Label)
end
rvg.draw.write('cubic01.gif')
Version data entries
13 entries across 13 versions & 3 rubygems