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Man Pages

Manual Reference Pages  -  PODS::SDL::TUTORIAL (3)

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SDL::Tutorial - introduction to Perl SDL





        # to read this tutorial
        $ perldoc SDL::Tutorial

        # to run this tutorial
        $ perl -MSDL::Tutorial -e 1

SDL Manual

SDL::Tutorial are incomplete and old. A new book has been started to provide a complete tutorial for SDL. See <>.


SDL, the Simple DirectMedia Layer, is a cross-platform multimedia library. These are the Perl 5 bindings. You can find out more about SDL at <>. You can find out more about SDL perl at <>.

Creating an SDL application with Perl is easy. You have to know a few basics, though. Here’s how to get up and running as quickly as possible.


All graphics in SDL live on a surface. You’ll need at least one. That’s what SDLx::App provides.

Of course, before you can get a surface, you need to initialize your video mode. SDL gives you several options, including whether to run in a window or take over the full screen, the size of the window, the bit depth of your colors, and whether to use hardware acceleration. For now, we’ll build something really simple.


SDLx::App makes it easy to initialize video and create a surface. Here’s how to ask for a windowed surface with 640x480x16 resolution:

        use SDLx::App;

        my $app = SDLx::App->new(
                width  => 640,
                height => 480,
                depth  => 16,

You can get more creative, especially if you use the title and icon attributes in a windowed application. Here’s how to set the window title of the application to My SDL Program:

        use SDLx::App;

        my $app = SDLx::App->new(
                height => 640,
                width  => 480,
                depth  => 16,
                title  => My SDL Program,

Setting an icon is a little more involved — you have to load an image onto a surface. That’s a bit more complicated, but see the name parameter to SDL::Surface-new()> if you want to skip ahead.

    Working With The App

Since $app from the code above is just an SDL surface with some extra sugar, it behaves much like SDL::Surface. In particular, the all-important blit and update methods work. You’ll need to create SDL::Rect objects representing sources of graphics to draw onto the $app’s surface, blit them there, then update the $app.

<B>Note:B> blitting is copying a chunk of memory from one place to another.

That, however, is another tutorial.


SDL::Tutorial::Animation basic rectangle drawing and animation
SDL::Tutorial::LunarLander basic image loading and animation


chromatic, <>.

Written for and maintained by the Perl SDL project, <>. See AUTHORS in SDL for details.


Copyright (c) 2003 - 2004, chromatic. 2009 - 2010, kthakore. All rights reserved. This module is distributed under the same terms as Perl itself, in the hope that it is useful but certainly under no guarantee.
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perl v5.20.3 PODS::SDL::TUTORIAL (3) 2016-04-05

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