SDL_perl - Simple DirectMedia Layer for Perl
Core
use SDL;
SDL_perl is a package of perl modules that provides both functional and object orient interfaces to the Simple DirectMedia Layer for Perl 5. This package does take some liberties with the SDL API, and attempts to adhere to the spirit of both the SDL and Perl. This document describes the low-level functional SDL_perl API. For the object oriented programming interface please see the documentation provided on a per class basis.
Nick: magnet
Nick: Garu Name: Breno G. de Oliveira Nick: Dngor Name: Rocco Caputo Nick: nferraz Name: Nelson Ferraz Nick: acme Name: Leon Brocard Nick: FROGGS Name: Tobias Leich
Nick: kthakore Name: Kartik Thakore
Please get libsdl packages from Fink
perl Build.PL perl Build test perl Build bundle perl Build install
First set the PERL5LIB environment variable to the dependencies of your script
%export PERL5LIB=$PERL5LIB:./lib
Use the SDLPerl executable made in the bundle and call your scripts
%SDLPerl.app/Contents/MacOS/SDLPerl yourScript.pl
As with the C language API, SDL_perl initializes the SDL environment through
the SDL::init
subroutine. This routine takes a mode flag constructed through
the bitwise OR product of the following constants:
SDL::Init
returns 0 on success, or -1 on error.
After SDL has been initialized with SDL::init you may initialize uninitialized subsystems with SDL::init_subsystem. The flags parameter is the same as that used in SDL::init.
SDL::init_subsystem returns 0 on success, or -1 on error.
SDL::quit_subsystem allows you to shut down a subsystem that has been previously initialized by SDL::init or SDL::init_subsystem. The flags tells SDL::quit_subSystem which subsystems to shut down, it uses the same values that are passed to SDL::init.
SDL::quit_subsystem doesn't returns any value.
Shuts down all SDL subsystems, unloads the dynamically linked library and frees the allocated resources. This should always be called before you exit.
SDL::quit doesn't returns any value.
SDL::was_init allows you to see which SDL subsytems have been initialized. flags is a bitwise OR'd combination of the subsystems you wish to check (see SDL::init for a list of subsystem flags). If 'flags' is 0 or SDL_INIT_EVERYTHING, it returns a mask of all initialized subsystems (this does not include SDL_INIT_EVENTTHREAD or SDL_INIT_NOPARACHUTE).
The last error message set by the SDL library can be retrieved using the subroutine
SDL::get_error
, which returns a scalar containing the text of the message if any.
SDL::get_error sets the SDL error to a printf style formatted string. it doesn't returns any values.
Sets the SDL error message to one of several predefined strings specified by code.
code can be :
The corresponding error string
Out of memory
Error reading from datastream
Error writing to datastream
Error seeking in datastream
Unknown SDL error
Unknown SDL error
Unknown SDL error
Note 1: SDL_LASTERROR marks the highest numbered predefined error. Note 2: SDL also defines SDL_OutOfMemory() and SDL_Unsupported() for internal use which are equivalent to SDL_Error(SDL_ENOMEM) and SDL_Error(SDL_UNSUPPORTED) respectively.
SDL::Error doesn't returns any value.
SDL::clear_error deletes all information about the last internal SDL error. Useful if the error has been handled by the program. it doesn't returns any value.
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The last error message set by the SDL library can be retrieved using the subroutine
SDL::get_error
, which returns a scalar containing the text of the message if any.
This subroutine allows an application to delay further operations for atleast a number of milliseconds provided as the argument. The actual delay may be longer than the specified depending on the underlying OS.
magnet, kthakore