From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/ext/tk/sample/tkextlib/blt/barchart5.rb | 101 +++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 jni/ruby/ext/tk/sample/tkextlib/blt/barchart5.rb

(limited to 'jni/ruby/ext/tk/sample/tkextlib/blt/barchart5.rb')

diff --git a/jni/ruby/ext/tk/sample/tkextlib/blt/barchart5.rb b/jni/ruby/ext/tk/sample/tkextlib/blt/barchart5.rb
new file mode 100644
index 0000000..86101b2
--- /dev/null
+++ b/jni/ruby/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
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