* ext/tk/lib/tcltklib : bug fix

* ext/tk/lib/tk : bug fix and add Tcl/Tk extension support libraries


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6559 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/tk/sample/tkextlib/tcllib/plotdemos1.rb

@@ -0,0 +1,158 @@
+#!/usr/bin/ruby
+
+require 'tk'
+require 'tkextlib/tcllib/plotchart'
+
+###############################
+
+c1 = TkCanvas.new(:background=>'white', :width=>400, :height=>200)
+c2 = TkCanvas.new(:background=>'white', :width=>400, :height=>200)
+c3 = TkCanvas.new(:background=>'white', :width=>400, :height=>200)
+Tk.pack(c1,c2,c3, :fill=>:both, :side=>:top)
+
+h = TkToplevel.new(:title=>'h')
+hc1 = TkCanvas.new(h, :background=>'white', :width=>400, :height=>200)
+hc2 = TkCanvas.new(h, :background=>'white', :width=>400, :height=>200)
+Tk.pack(hc1,hc2, :fill=>:both, :side=>:top)
+
+v = TkToplevel.new(:title=>'v')
+vc1 = TkCanvas.new(v, :background=>'white', :width=>400, :height=>200)
+vc2 = TkCanvas.new(v, :background=>'white', :width=>400, :height=>200)
+vc3 = TkCanvas.new(v, :background=>'white', :width=>400, :height=>200)
+Tk.pack(vc1,vc2,vc3, :fill=>:both, :side=>:top)
+
+###############################
+
+s = Tk::Tcllib::Plotchart::XYPlot.new(c1, [0.0, 100.0, 10.0], 
+				          [0.0, 100.0, 20.0])
+
+
+xd =    5.0
+yd =   20.0
+xold =  0.0
+yold = 50.0
+
+s.dataconfig('series1', :color=>'red')
+
+(0..19).each{|i|
+  xnew = xold + xd
+  ynew = yold + (rand() - 0.5) * yd
+  ynew2 = yold + (rand() - 0.5) * 2.0 * yd
+  s.plot('series1', xnew, ynew)
+  s.plot('series2', xnew, ynew2)
+  xold = xnew
+  yold = ynew
+}
+
+s.xtext "X-coordinate"
+s.ytext "Y-data"
+s.title "Aha!"
+
+c1.wait_visibility
+
+s.save_plot "aha.ps"
+
+###############################
+
+s = Tk::Tcllib::Plotchart::Piechart.new(c2)
+
+s.plot([ ["Long names", 10], ["Short names", 30], 
+	 ["Average", 40],    ["Ultra-short names", 5] ])
+
+#
+# Note: title should be shifted up
+#       - distinguish a separate title area
+#
+s.title "Okay - this works"
+
+###############################
+
+s = Tk::Tcllib::Plotchart::PolarPlot.new(c3, [3.0, 1.0])
+
+0.step(359, 10){|angle|
+  rad = 1.0+Math.cos(angle*Math::PI/180.0)
+  s.plot('cardioid', rad, angle)
+}
+
+s.title "Cardioid"
+
+###############################
+
+s = Tk::Tcllib::Plotchart::Barchart.new(hc1, %w(A B C D E), 
+					[0.0, 10.0, 2.0], 2)
+
+s.plot('series1', [1.0, 4.0, 6.0, 1.0, 7.0], 'red')
+s.plot('series2', [0.0, 3.0, 7.0, 9.3, 2.0], 'green')
+s.title "Arbitrary data"
+
+###############################
+
+s = Tk::Tcllib::Plotchart::Barchart.new(hc2, %w(A B C D E), 
+					[0.0, 20.0, 5.0], :stacked)
+
+s.plot('series1', [1.0, 4.0, 6.0, 1.0, 7.0], 'red')
+s.plot('series2', [0.0, 3.0, 7.0, 9.3, 2.0], 'green')
+s.title "Stacked diagram"
+
+###############################
+
+s = Tk::Tcllib::Plotchart::HorizontalBarchart.new(vc1, [0.0, 10.0, 2.0], 
+						  %w(A B C D E), 2)
+
+s.plot('series1', [1.0, 4.0, 6.0, 1.0, 7.0], 'red')
+s.plot('series2', [0.0, 3.0, 7.0, 9.3, 2.0], 'green')
+s.title "Arbitrary data"
+
+###############################
+
+s = Tk::Tcllib::Plotchart::HorizontalBarchart.new(vc2, [0.0, 20.0, 5.0], 
+						  %w(A B C D E), :stacked)
+
+s.plot('series1', [1.0, 4.0, 6.0, 1.0, 7.0], 'red')
+s.plot('series2', [0.0, 3.0, 7.0, 9.3, 2.0], 'green')
+s.title "Stacked diagram"
+
+###############################
+
+s = Tk::Tcllib::Plotchart::Timechart.new(vc3, "1 january 2004", 
+					      "31 december 2004", 4)
+
+s.period("Spring", "1 march 2004", "1 june 2004", 'green')
+s.period("Summer", "1 june 2004", "1 september 2004", 'yellow')
+s.vertline("1 jan", "1 january 2004")
+s.vertline("1 apr", "1 april 2004")
+s.vertline("1 jul", "1 july 2004")
+s.vertline("1 oct", "1 october 2004")
+s.milestone("Longest day", "21 july 2004")
+s.title "Seasons (northern hemisphere)"
+
+###############################
+
+z = TkToplevel.new(:title=>'3D')
+
+zc1 = TkCanvas.new(z, :background=>'white', :width=>400, :height=>300)
+zc2 = TkCanvas.new(z, :background=>'white', :width=>400, :height=>250)
+Tk.pack(zc1,zc2)
+
+s = Tk::Tcllib::Plotchart::Plot3D.new(zc1, 
+				      [0, 10, 3], [-10, 10, 10], [0, 10, 2.5])
+
+s.title "3D Plot"
+s.plot_function{|x, y|
+  # cowboyhat
+  x1 = x.to_f/9.0
+  y1 = y.to_f/9.0
+  3.0 * (1.0-(x1*x1+y1*y1))*(1.0-(x1*x1+y1*y1))
+}
+
+s = Tk::Tcllib::Plotchart::Plot3D.new(zc2, 
+				      [0, 10, 3], [-10, 10, 10], [0, 10, 2.5])
+s.title "3D Plot - data "
+s.colour("green", "black")
+s.plot_data([ [1.0, 2.0, 1.0, 0.0], 
+	      [1.1, 3.0, 1.1, -0.5], 
+	      [3.0, 1.0, 4.0, 5.0] ])
+
+###############################
+
+Tk.mainloop