Java integration confused about mutators in some cases
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Key: JRUBY-1838
URL: http://jira.codehaus.org/browse/JRUBY-1838
Project: JRuby
Issue Type: Bug
Components: Java Integration
Affects Versions: JRuby 1.x
Reporter: MenTaLguY
Attachments: sample.rb
The following code should draw an 8-pixel wide diagonal line, but draws a
single-pixel line unless gfx.stroke = is changed to gfx.set_stroke.
{{require 'java'
EventQueue = java.awt.EventQueue
JFrame = javax.swing.JFrame
JPanel = javax.swing.JPanel
Color = java.awt.Color
Dimension = java.awt.Dimension
Path2D = java.awt.geom.Path2D::Double
BasicStroke = java.awt.BasicStroke
class MyPanel < JPanel
def paintComponent(gfx)
gfx.color = Color::WHITE
bounds = self.bounds
gfx.fill bounds
path = Path2D.new
path.move_to(0, 0)
path.line_to(bounds.width, bounds.height)
gfx.stroke = BasicStroke.new(8.0)
gfx.color = Color::BLACK
gfx.draw path
end
end
EventQueue.invoke_later proc {
frame = JFrame.new
frame.default_close_operation = JFrame::DISPOSE_ON_CLOSE
frame.minimum_size = Dimension.new(300, 300)
frame.content_pane = MyPanel.new
frame.show
} }}
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