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/graph7a.rb | 63 ++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 jni/ruby/ext/tk/sample/tkextlib/blt/graph7a.rb

(limited to 'jni/ruby/ext/tk/sample/tkextlib/blt/graph7a.rb')

diff --git a/jni/ruby/ext/tk/sample/tkextlib/blt/graph7a.rb b/jni/ruby/ext/tk/sample/tkextlib/blt/graph7a.rb
new file mode 100644
index 0000000..8def766
--- /dev/null
+++ b/jni/ruby/ext/tk/sample/tkextlib/blt/graph7a.rb
@@ -0,0 +1,63 @@
+#!/usr/bin/env ruby
+require 'tk'
+require 'tkextlib/blt'
+
+file = File.join(File.dirname(File.expand_path(__FILE__)),
+                 'images', 'buckskin.gif')
+bgTexture = TkPhotoImage.new(:file=>file)
+
+TkOption.add('*Graph.Tile', bgTexture)
+TkOption.add('*Label.Tile', bgTexture)
+TkOption.add('*Frame.Tile', bgTexture)
+TkOption.add('*Htext.Tile', bgTexture)
+TkOption.add('*TileOffset', 0)
+TkOption.add('*HighlightThickness',   0)
+TkOption.add('*Element.ScaleSybols',  false)
+TkOption.add('*Element.Smooth',       :linear)
+TkOption.add('*activeLine.Color',     'yellow4')
+TkOption.add('*activeLine.Fill',      'yellow')
+TkOption.add('*activeLine.LineWidth', 0)
+TkOption.add('*Element.Pixels',       3)
+TkOption.add('*Graph.halo',           '7i')
+
+if Tk.root.winfo_screenvisual != 'staticgray'
+  TkOption.add('*print.background', 'yellow')
+  TkOption.add('*quit.background',  'red')
+end
+
+length = 250000
+graph = Tk::BLT::Graph.new(:title=>"Scatter Plot\n#{length} points")
+graph.xaxis_configure(:loose=>false, :title=>'X Axis Label')
+graph.yaxis_configure(:title=>'Y Axis Label')
+graph.legend_configure(:activerelief=>:sunken, :background=>'')
+
+Tk::BLT::Table.add(Tk.root, graph, [0,0], :fill=>:both)
+
+v_x = Tk::BLT::Vector.new(length)
+v_y = Tk::BLT::Vector.new(length)
+v_x.expr("random(#{v_x})")
+v_y.expr("random(#{v_y})")
+v_x.sort(v_y)
+
+plot = Tk::BLT::PlotComponent::Element.new(graph, :symbol=>:square,
+                                           :color=>'green4', :fill=>'green2',
+                                           :linewidth=>0, :outlinewidth=>1,
+                                           :pixels=>4, :label=>'plot',
+                                           :xdata=>v_x, :ydata=>v_y)
+
+Tk.root.minsize(0, 0)
+
+#graph.zoom_stack
+#graph.crosshairs
+#graph.active_legend
+#graph.closest_point
+Tk::BLT.zoom_stack(graph)
+Tk::BLT.crosshairs(graph)
+Tk::BLT.active_legend(graph)
+Tk::BLT.closest_point(graph)
+
+Tk::BLT::Busy.hold(graph)
+Tk.update
+Tk::BLT::Busy.release(graph)
+
+Tk.mainloop
-- 
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