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fixed some bugs of examples/snake.rb

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This commit is contained in:
ser1zw 2011-11-20 22:50:24 +09:00
parent 23a35e8cc4
commit fcc66a0180
1 changed files with 6 additions and 5 deletions
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11
examples/snake.rb
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@ -6,13 +6,13 @@ include OpenCV
puts <<USAGE puts <<USAGE
usage: usage:
left-click: set point left-click: set a point
right-click: do snake right-click: do snake
USAGE USAGE
window = GUI::Window.new "snake demo" window = GUI::Window.new "snake demo"
image = CvMat.new(256, 256, :cv8u, 1).clear! image = CvMat.new(256, 256, :cv8u, 1).clear!
image.circle!(CvPoint.new(128,128), 40, :color => CvColor::White, :thickness => -1) image.circle!(CvPoint.new(128,128), 40, :color => CvColor::White, :thickness => -1)
display = image.GRAY2BGR display = image.GRAY2BGR
window.show display window.show display
@ -22,7 +22,7 @@ points = []
window.on_mouse{|mouse| window.on_mouse{|mouse|
case mouse.event case mouse.event
when :left_button_down when :left_button_down
display[mouse.x, mouse.y] = CvColor::Red display.circle!(mouse, 1, :color => CvColor::Red, :thickness => 2)
puts "set point (#{mouse.x},#{mouse.y})" puts "set point (#{mouse.x},#{mouse.y})"
points << CvPoint.new(mouse.x, mouse.y) points << CvPoint.new(mouse.x, mouse.y)
window.show display window.show display
@ -31,10 +31,11 @@ window.on_mouse{|mouse|
puts "please set more point!" puts "please set more point!"
next next
end end
points = image.snake_image(points, 1.0, 0.5, 1.5, CvSize.new(3, 3), 100) snake_points = image.snake_image(points, 1.0, 0.5, 1.5, CvSize.new(3, 3), 100)
display = image.GRAY2BGR display = image.GRAY2BGR
display.poly_line!(points, :color => CvColor::Red, :is_closed => true) display.poly_line!([snake_points], :color => CvColor::Red, :is_closed => true, :thickness => 2)
window.show display window.show display
points.clear
end end
} }