php-gtk2 Cookbook: How to display math and greek characters using symbol font - Part 4 - uuencode unicode characters?

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Sample Code 271: How to display math and greek characters using symbol font - Part 4 - uuencode unicode characters?

Written by kksou

Tuesday, 19 June 2007

Problem

In Part 3, we encode math and greek unicode characters using urlencode.

Instead of using urlencode, we can also use uuencode to encode the unicode characters as shown below:

How to display math and greek characters using symbol font - Part 4 - uuencode unicode characters?

Solution

In case you haven't use it before, uuencode translates all strings (including unicode characters) into printable characters, making them safe for network transmissions.

Everything is the same as outlined in How to display math and greek characters using symbol font - Part 3 - unicode characters in plain ANSI text file?

The only difference is that instead of using urldecode(), we use convert_uudecode().

Sample Code

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<?php
$window = new GtkWindow();
$window->set_size_request(400, 200);
$window->connect_simple('destroy', array('Gtk','main_quit'));
$window->add($vbox = new GtkVBox());

// display title
$title = new GtkLabel("Display Math and Greek Characters\n".
"using Symbol Truetype Font on windows\n".
"Part 4 - uuencode unicode characters");
$title->modify_font(new PangoFontDescription("Times New Roman Italic 10"));
$title->modify_fg(Gtk::STATE_NORMAL, GdkColor::parse("#0000ff"));
$title->set_size_request(-1, 60);
$title->set_justify(Gtk::JUSTIFY_CENTER);
$alignment = new GtkAlignment(0.5, 0, 0, 0);
$alignment->add($title);
$vbox->pack_start($alignment, 0, 0);
$vbox->pack_start(new GtkLabel(), 0, 0);

// display greek characters

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Explanation

The sample code above is based on How to display math and greek characters using symbol font - Part 2 - input unicode characters?

What's new here:

As explained above, we use convert_uudecode() to convert the uuencoded characters back to unicode characters.