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## image1.rb
#
# This demonstration script displays two image widgets.
#
# two image widgets demo (called by 'widget')
#
# toplevel widget
if defined?($image1_demo) && $image1_demo
$image1_demo.destroy
$image1_demo = nil
end
# demo toplevel widget
$image1_demo = TkToplevel.new {|w|
title('Image Demonstration #1')
iconname("Image1")
positionWindow(w)
}
base_frame = TkFrame.new($image1_demo).pack(:fill=>:both, :expand=>true)
# label
msg = TkLabel.new(base_frame) {
font $font
wraplength '4i'
justify 'left'
text "This demonstration displays two images, each in a separate label widget."
}
msg.pack('side'=>'top')
# frame
TkFrame.new(base_frame) {|frame|
TkButton.new(frame) {
text 'Dismiss'
command proc{
tmppath = $image1_demo
$image1_demo = nil
tmppath.destroy
}
}.pack('side'=>'left', 'expand'=>'yes')
TkButton.new(frame) {
text 'Show Code'
command proc{showCode 'image1'}
}.pack('side'=>'left', 'expand'=>'yes')
}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
# image
image1a = \
TkPhotoImage.new('file'=>[$demo_dir,'..',
'images','earth.gif'].join(File::Separator))
image1b = \
TkPhotoImage.new('file'=>[$demo_dir,'..',
'images','earthris.gif'].join(File::Separator))
# label
#[ TkLabel.new(base_frame, 'image'=>image1a, 'bd'=>1, 'relief'=>'sunken'),
# TkLabel.new(base_frame, 'image'=>image1b, 'bd'=>1, 'relief'=>'sunken')
#].each{|w| w.pack('side'=>'top', 'padx'=>'.5m', 'pady'=>'.5m')}
[ Tk::Label.new(base_frame, 'image'=>image1a, 'bd'=>1, 'relief'=>'sunken'),
Tk::Label.new(base_frame, 'image'=>image1b, 'bd'=>1, 'relief'=>'sunken')
].each{|w| w.pack('side'=>'top', 'padx'=>'.5m', 'pady'=>'.5m')}
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