summaryrefslogtreecommitdiff
path: root/ruby_1_8_5/ext/tk/sample/tkextlib/blt/barchart5.rb
diff options
context:
space:
mode:
Diffstat (limited to 'ruby_1_8_5/ext/tk/sample/tkextlib/blt/barchart5.rb')
-rw-r--r--ruby_1_8_5/ext/tk/sample/tkextlib/blt/barchart5.rb101
1 files changed, 101 insertions, 0 deletions
diff --git a/ruby_1_8_5/ext/tk/sample/tkextlib/blt/barchart5.rb b/ruby_1_8_5/ext/tk/sample/tkextlib/blt/barchart5.rb
new file mode 100644
index 0000000000..db181d10ca
--- /dev/null
+++ b/ruby_1_8_5/ext/tk/sample/tkextlib/blt/barchart5.rb
@@ -0,0 +1,101 @@
+#!/usr/bin/env ruby
+require 'tk'
+require 'tkextlib/blt'
+
+load File.join(File.dirname(File.expand_path(__FILE__)),
+ 'scripts', 'stipples.rb')
+
+TkOption.add('*graph.x.Title', 'X Axis Label')
+TkOption.add('*graph.y.Title', 'Y Axis Label')
+TkOption.add('*graph.title', 'A Simple Barchart')
+TkOption.add('*graph.x.Font', 'Times 10')
+TkOption.add('*graph.Element.Relief', :raised)
+
+visual = Tk.root.winfo_screenvisual
+if visual != 'staticgray' && visual != 'grayscale'
+ TkOption.add('*graph.LineMarker.color', 'yellow')
+ TkOption.add('*graph.Element.Background', 'white')
+ TkOption.add('*graph.Legend.activeForeground', 'pink')
+ TkOption.add('*print.background', 'yellow')
+ TkOption.add('*quit.background', 'red')
+ TkOption.add('*graph.background', 'palegreen')
+ TkOption.add('*graph.plotBackground', 'lightblue')
+end
+
+htext = Tk::BLT::Htext.new(:widgetname=>'.htext', :text=><<EOD)
+ This is an example of the barchart widget. The barchart has
+ many components; x and y axis, legend, crosshairs, elements, etc.
+ To create a postscript file "bar.ps", press the %%
+
+ ruby {
+ b = TkButton.new(Tk::BLT::Htext::Htext_Widget.window,
+ :widgetname=>'print', :text=>'Print',
+ :command=>proc{
+ $graph.postsript(:output=>'bar.ps')
+ })
+ Tk::BLT::Htext::Htext_Widget.window.append(b)
+ }
+
+%% button.
+%%
+
+ ruby {
+ $graph = Tk::BLT::Barchart.new(:widgetname=>'.htext.graph',
+ :relief=>:raised, :borderwidth=>2)
+ $graph.xaxis_configure(:rotate=>90, :stepsize=>0)
+ Tk::BLT::Htext::Htext_Widget.window.append($graph,
+ :fill=>:both, :padx=>4)
+ }
+
+%%
+ Hit the %%
+
+ ruby {
+ b = TkButton.new(Tk::BLT::Htext::Htext_Widget.window,
+ :widgetname=>'quit', :text=>'Quit',
+ :command=>proc{ exit })
+ Tk::BLT::Htext::Htext_Widget.window.append(b)
+ }
+
+%% button when you've seen enough.%%
+
+ ruby {
+ l = TkLabel.new(Tk::BLT::Htext::Htext_Widget.window, :bitmap=>'BLT')
+ Tk::BLT::Htext::Htext_Widget.window.append(l, :padx=>20)
+ }
+
+%%
+EOD
+
+names = %w(One Two Three Four Five Six Seven Eight)
+if visual == 'staticgray' || visual == 'grayscale'
+ fgcolors = %w(white white white white white white white white)
+ bgcolors = %w(black black black black black black black black)
+else
+ fgcolors = %w(yellow orange red magenta purple blue cyan green)
+ bgcolors = %w(yellow4 orange4 red4 magenta4 purple4 blue4 cyan4 green4)
+end
+
+numColors = names.length
+
+Tk::TCL_PRECISION.value = 15
+
+x = Tk::BLT::Vector.new
+y = Tk::BLT::Vector.new
+x.seq(-5.0, 5.0, 0.2)
+y.expr("sin(#{x})")
+barWidth = 0.19
+
+$graph.element_create('sin', :relief=>:raised, :borderwidth=>1,
+ :x=>x, :y=>y, :barwidth=>barWidth)
+
+Tk::BLT::Table.add(Tk.root, htext, :fill=>:both)
+
+Tk.root.minsize(0, 0)
+
+Tk::BLT.zoom_stack($graph)
+Tk::BLT.crosshairs($graph)
+Tk::BLT.active_legend($graph)
+Tk::BLT.closest_point($graph)
+
+Tk.mainloop