diff options
author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
---|---|---|
committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
commit | 0dc342de848a642ecce8db697b8fecd83a63e117 (patch) | |
tree | 2b7ed4724aff1f86073e4740134bda9c4aac1a39 /trunk/ext/tk/sample/tkextlib/blt/winop1.rb | |
parent | ef70cf7138ab8034b5b806f466e4b484b24f0f88 (diff) |
added tag v1_9_0_4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'trunk/ext/tk/sample/tkextlib/blt/winop1.rb')
-rw-r--r-- | trunk/ext/tk/sample/tkextlib/blt/winop1.rb | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/trunk/ext/tk/sample/tkextlib/blt/winop1.rb b/trunk/ext/tk/sample/tkextlib/blt/winop1.rb new file mode 100644 index 0000000000..e94138cd94 --- /dev/null +++ b/trunk/ext/tk/sample/tkextlib/blt/winop1.rb @@ -0,0 +1,40 @@ +#!/usr/bin/env ruby +require 'tk' +require 'tkextlib/blt' + +file = File.join(File.dirname(File.expand_path(__FILE__)), + 'images', 'sample.gif') +if File.exist?(file) + src = TkPhotoImage.new(:file=>file) +else + fail RuntimeError, 'no image file' +end + +width = src.width +height = src.height + +TkOption.add('*Label.font', '*helvetica*10*') +TkOption.add('*Label.background', 'white') + +l_img0 = TkLabel.new(:image=>src) +l_hdr0 = TkLabel.new(:text=>"#{width} x #{height}") +l_ftr0 = TkLabel.new(:text=>'100%') +Tk.root.background('white') + +(2..10).each{|i| + iw = width/i + ih = height/i + r = '%6g'%(100.0/i) + dst = TkPhotoImage.new(:width=>iw, :height=>ih) + Tk::BLT::Winop.image_resample(src, dst, :sinc) + l_hdr = TkLabel.new(:text=>"#{iw} x #{ih}") + l_ftr = TkLabel.new(:text=>"#{r}%") + l_img = TkLabel.new(:image=>dst) + Tk::BLT::Table.add(Tk.root, + [0,i], l_hdr, + [1,i], l_img, + [2,i], l_ftr) + Tk.update +} + +Tk.mainloop |