diff options
Diffstat (limited to 'src/lib/JEDI-SDL/SDL/Pas/sdl.pas')
| -rw-r--r-- | src/lib/JEDI-SDL/SDL/Pas/sdl.pas | 4332 |
1 files changed, 4332 insertions, 0 deletions
diff --git a/src/lib/JEDI-SDL/SDL/Pas/sdl.pas b/src/lib/JEDI-SDL/SDL/Pas/sdl.pas new file mode 100644 index 00000000..736009c2 --- /dev/null +++ b/src/lib/JEDI-SDL/SDL/Pas/sdl.pas @@ -0,0 +1,4332 @@ +unit sdl; +{ + $Id: sdl.pas,v 1.38 2008/01/26 10:09:32 savage Exp $ + +} +{******************************************************************************} +{ } +{ JEDI-SDL : Pascal units for SDL - Simple DirectMedia Layer } +{ Conversion of the Simple DirectMedia Layer Headers } +{ } +{ Portions created by Sam Lantinga <slouken@devolution.com> are } +{ Copyright (C) 1997-2004 Sam Lantinga } +{ 5635-34 Springhouse Dr. } +{ Pleasanton, CA 94588 (USA) } +{ } +{ All Rights Reserved. } +{ } +{ The original files are : SDL.h } +{ SDL_main.h } +{ SDL_types.h } +{ SDL_rwops.h } +{ SDL_timer.h } +{ SDL_audio.h } +{ SDL_cdrom.h } +{ SDL_joystick.h } +{ SDL_mouse.h } +{ SDL_keyboard.h } +{ SDL_events.h } +{ SDL_video.h } +{ SDL_byteorder.h } +{ SDL_version.h } +{ SDL_active.h } +{ SDL_thread.h } +{ SDL_mutex .h } +{ SDL_getenv.h } +{ SDL_loadso.h } +{ } +{ The initial developer of this Pascal code was : } +{ Dominique Louis <Dominique@SavageSoftware.com.au> } +{ } +{ Portions created by Dominique Louis are } +{ Copyright (C) 2000 - 2004 Dominique Louis. } +{ } +{ } +{ Contributor(s) } +{ -------------- } +{ Tom Jones <tigertomjones@gmx.de> His Project inspired this conversion } +{ Matthias Thoma <ma.thoma@gmx.de> } +{ } +{ Obtained through: } +{ Joint Endeavour of Delphi Innovators ( Project JEDI ) } +{ } +{ You may retrieve the latest version of this file at the Project } +{ JEDI home page, located at http://delphi-jedi.org } +{ } +{ The contents of this file are used with permission, subject to } +{ the Mozilla Public License Version 1.1 (the "License"); you may } +{ not use this file except in compliance with the License. You may } +{ obtain a copy of the License at } +{ http://www.mozilla.org/MPL/MPL-1.1.html } +{ } +{ Software distributed under the License is distributed on an } +{ "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or } +{ implied. See the License for the specific language governing } +{ rights and limitations under the License. } +{ } +{ Description } +{ ----------- } +{ } +{ } +{ } +{ } +{ } +{ } +{ } +{ Requires } +{ -------- } +{ The SDL Runtime libraris on Win32 : SDL.dll on Linux : libSDL.so } +{ They are available from... } +{ http://www.libsdl.org . } +{ } +{ Programming Notes } +{ ----------------- } +{ } +{ } +{ } +{ } +{ Revision History } +{ ---------------- } +{ May 08 2001 - DL : Added Keyboard State Array ( See demos for how to } +{ use ) } +{ PKeyStateArr = ^TKeyStateArr; } +{ TKeyStateArr = array[0..65000] of UInt8; } +{ As most games will need it. } +{ } +{ April 02 2001 - DL : Added SDL_getenv.h definitions and tested version } +{ 1.2.0 compatability. } +{ } +{ March 13 2001 - MT : Added Linux compatibility. } +{ } +{ March 10 2001 - MT : Added externalsyms for DEFINES } +{ Changed the license header } +{ } +{ March 09 2001 - MT : Added Kylix Ifdefs/Deleted the uses mmsystem } +{ } +{ March 01 2001 - DL : Update conversion of version 1.1.8 } +{ } +{ July 22 2001 - DL : Added TUInt8Array and PUIntArray after suggestions } +{ from Matthias Thoma and Eric Grange. } +{ } +{ October 12 2001 - DL : Various changes as suggested by Matthias Thoma and } +{ David Acklam } +{ } +{ October 24 2001 - DL : Added FreePascal support as per suggestions from } +{ Dean Ellis. } +{ } +{ October 27 2001 - DL : Added SDL_BUTTON macro } +{ } +{ November 08 2001 - DL : Bug fix as pointed out by Puthoon. } +{ } +{ November 29 2001 - DL : Bug fix of SDL_SetGammaRamp as pointed out by Simon} +{ Rushton. } +{ } +{ November 30 2001 - DL : SDL_NOFRAME added as pointed out by Simon Rushton. } +{ } +{ December 11 2001 - DL : Added $WEAKPACKAGEUNIT ON to facilitate useage in } +{ Components } +{ } +{ January 05 2002 - DL : Added SDL_Swap32 function as suggested by Matthias } +{ Thoma and also made sure the _getenv from } +{ MSVCRT.DLL uses the right calling convention } +{ } +{ January 25 2002 - DL : Updated conversion of SDL_AddTimer & } +{ SDL_RemoveTimer as per suggestions from Matthias } +{ Thoma. } +{ } +{ January 27 2002 - DL : Commented out exported function putenv and getenv } +{ So that developers get used to using SDL_putenv } +{ SDL_getenv, as they are more portable } +{ } +{ March 05 2002 - DL : Added FreeAnNil procedure for Delphi 4 users. } +{ } +{ October 23 2002 - DL : Added Delphi 3 Define of Win32. } +{ If you intend to you Delphi 3... } +{ ( which is officially unsupported ) make sure you } +{ remove references to $EXTERNALSYM in this and other} +{ SDL files. } +{ } +{ November 29 2002 - DL : Fixed bug in Declaration of SDL_GetRGBA that was } +{ pointed out by Todd Lang } +{ } +{ April 03 2003 - DL : Added jedi-sdl.inc include file to support more } +{ Pascal compilers. Initial support is now included } +{ for GnuPascal, VirtualPascal, TMT and obviously } +{ continue support for Delphi Kylix and FreePascal. } +{ } +{ April 08 2003 - MK : Aka Mr Kroket - Added Better FPC support } +{ } +{ April 24 2003 - DL : under instruction from Alexey Barkovoy, I have added} +{ better TMT Pascal support and under instruction } +{ from Prof. Abimbola Olowofoyeku (The African Chief),} +{ I have added better Gnu Pascal support } +{ } +{ April 30 2003 - DL : under instruction from David Mears AKA } +{ Jason Siletto, I have added FPC Linux support. } +{ This was compiled with fpc 1.1, so remember to set } +{ include file path. ie. -Fi/usr/share/fpcsrc/rtl/* } +{ } +{ + $Log: sdl.pas,v $ + Revision 1.38 2008/01/26 10:09:32 savage + Added SDL_BUTTON_X1 and SDL_BUTTON_X2 constants for extended mouse buttons. Now makes SDL v1.2.13 compliant. + + Revision 1.37 2007/12/20 22:36:56 savage + Added SKYOS support, thanks to Sebastian-Torsten Tillmann + + Revision 1.36 2007/12/05 22:52:04 savage + Better Mac OS X support for Frameworks. + + Revision 1.35 2007/12/02 22:41:13 savage + Change for Mac OS X to link to SDL Framework + + Revision 1.34 2007/08/26 23:50:53 savage + Jonas supplied another fix. + + Revision 1.33 2007/08/26 15:59:46 savage + Mac OS changes as suggested by Jonas Maebe + + Revision 1.32 2007/08/22 21:18:43 savage + Thanks to Dean for his MouseDelta patch. + + Revision 1.31 2007/05/29 21:30:48 savage + Changes as suggested by Almindor for 64bit compatibility. + + Revision 1.30 2007/05/29 19:31:03 savage + Fix to TSDL_Overlay structure - thanks David Pethes (aka imcold) + + Revision 1.29 2007/05/20 20:29:11 savage + Initial Changes to Handle 64 Bits + + Revision 1.26 2007/02/11 13:38:04 savage + Added Nintendo DS support - Thanks Dean. + + Revision 1.25 2006/12/02 00:12:52 savage + Updated to latest version + + Revision 1.24 2006/05/18 21:10:04 savage + Added 1.2.10 Changes + + Revision 1.23 2005/12/04 23:17:52 drellis + Added declaration of SInt8 and PSInt8 + + Revision 1.22 2005/05/24 21:59:03 savage + Re-arranged uses clause to work on Win32 and Linux, Thanks again Michalis. + + Revision 1.21 2005/05/22 18:42:31 savage + Changes as suggested by Michalis Kamburelis. Thanks again. + + Revision 1.20 2005/04/10 11:48:33 savage + Changes as suggested by Michalis, thanks. + + Revision 1.19 2005/01/05 01:47:06 savage + Changed LibName to reflect what MacOS X should have. ie libSDL*-1.2.0.dylib respectively. + + Revision 1.18 2005/01/04 23:14:41 savage + Changed LibName to reflect what most Linux distros will have. ie libSDL*-1.2.so.0 respectively. + + Revision 1.17 2005/01/03 18:40:59 savage + Updated Version number to reflect latest one + + Revision 1.16 2005/01/01 02:02:06 savage + Updated to v1.2.8 + + Revision 1.15 2004/12/24 18:57:11 savage + forgot to apply Michalis Kamburelis' patch to the implementation section. now fixed + + Revision 1.14 2004/12/23 23:42:18 savage + Applied Patches supplied by Michalis Kamburelis ( THANKS! ), for greater FreePascal compatability. + + Revision 1.13 2004/09/30 22:31:59 savage + Updated with slightly different header comments + + Revision 1.12 2004/09/12 21:52:58 savage + Slight changes to fix some issues with the sdl classes. + + Revision 1.11 2004/08/14 22:54:30 savage + Updated so that Library name defines are correctly defined for MacOS X. + + Revision 1.10 2004/07/20 23:57:33 savage + Thanks to Paul Toth for spotting an error in the SDL Audio Convertion structures. + In TSDL_AudioCVT the filters variable should point to and array of pointers and not what I had there previously. + + Revision 1.9 2004/07/03 22:07:22 savage + Added Bitwise Manipulation Functions for TSDL_VideoInfo struct. + + Revision 1.8 2004/05/10 14:10:03 savage + Initial MacOS X support. Fixed defines for MACOS ( Classic ) and DARWIN ( MacOS X ). + + Revision 1.7 2004/04/13 09:32:08 savage + Changed Shared object names back to just the .so extension to avoid conflicts on various Linux/Unix distros. Therefore developers will need to create Symbolic links to the actual Share Objects if necessary. + + Revision 1.6 2004/04/01 20:53:23 savage + Changed Linux Shared Object names so they reflect the Symbolic Links that are created when installing the RPMs from the SDL site. + + Revision 1.5 2004/02/22 15:32:10 savage + SDL_GetEnv Fix so it also works on FPC/Linux. Thanks to Rodrigo for pointing this out. + + Revision 1.4 2004/02/21 23:24:29 savage + SDL_GetEnv Fix so that it is not define twice for FPC. Thanks to Rene Hugentobler for pointing out this bug, + + Revision 1.3 2004/02/18 22:35:51 savage + Brought sdl.pas up to 1.2.7 compatability + Thus... + Added SDL_GL_STEREO, + SDL_GL_MULTISAMPLEBUFFERS, + SDL_GL_MULTISAMPLESAMPLES + + Add DLL/Shared object functions + function SDL_LoadObject( const sofile : PChar ) : Pointer; + + function SDL_LoadFunction( handle : Pointer; const name : PChar ) : Pointer; + + procedure SDL_UnloadObject( handle : Pointer ); + + Added function to create RWops from const memory: SDL_RWFromConstMem() + function SDL_RWFromConstMem(const mem: Pointer; size: Integer) : PSDL_RWops; + + Ported SDL_cpuinfo.h so Now you can test for Specific CPU types. + + Revision 1.2 2004/02/17 21:37:12 savage + Tidying up of units + + Revision 1.1 2004/02/05 00:08:20 savage + Module 1.0 release + +} +{******************************************************************************} + +{$I jedi-sdl.inc} + +interface + +uses +{$IFDEF __GPC__} + system, + {$IFDEF WINDOWS} + wintypes, + {$ELSE} + {$ENDIF} + gpc; +{$ENDIF} + +{$IFDEF HAS_TYPES} + Types{$IFNDEF NDS},{$ELSE};{$ENDIF} +{$ENDIF} + +{$IFDEF WINDOWS} + Windows; +{$ENDIF} + +{$IFDEF UNIX} + {$IFDEF FPC} + {$IFNDEF SKYOS} + pthreads, + {$ENDIF} + baseunix, + {$IFNDEF GP2X} + {$IFNDEF DARWIN} + {$IFNDEF SKYOS} + unix, + {$ELSE} + unix; + {$ENDIF} + {$ELSE} + unix; + {$ENDIF} + {$ELSE} + unix; + {$ENDIF} + {$IFNDEF GP2X} + {$IFNDEF DARWIN} + {$IFNDEF SKYOS} + x, + xlib; + {$ENDIF} + {$ENDIF} + {$ENDIF} + {$ELSE} + Libc, + Xlib; + {$ENDIF} +{$ENDIF} + +{$IFDEF __MACH__} + GPCMacOSAll; +{$ENDIF} + +{$ifndef FPC} +type + PtrInt = LongInt; + PtrUInt = LongWord; +{$endif} + +const +{$IFDEF WINDOWS} + SDLLibName = 'SDL.dll'; +{$ENDIF} + +{$IFDEF UNIX} +{$IFDEF DARWIN} + SDLLibName = 'libSDL-1.2.0.dylib'; + {$linklib libSDL-1.2.0} +// {$linklib gcc} + {$linklib SDLmain} + {$linkframework Cocoa} + {$PASCALMAINNAME SDL_main} +{$ELSE} + {$IFDEF FPC} + SDLLibName = 'libSDL.so'; + {$ELSE} + SDLLibName = 'libSDL-1.2.so.0'; + {$ENDIF} +{$ENDIF} +{$ENDIF} + +{$IFDEF MACOS} + SDLLibName = 'SDL'; + {$linklib libSDL} +{$ENDIF} + +{$IFDEF NDS} + SDLLibName = 'libSDL.a'; + {$linklib libSDL.a} + {$linklib libnds9.a} + {$linklib libc.a} + {$linklib libgcc.a} + {$linklib libsysbase.a} +{$ENDIF} + + // SDL_verion.h constants + // Printable format: "%d.%d.%d", MAJOR, MINOR, PATCHLEVEL + SDL_MAJOR_VERSION = 1; +{$EXTERNALSYM SDL_MAJOR_VERSION} + SDL_MINOR_VERSION = 2; +{$EXTERNALSYM SDL_MINOR_VERSION} + SDL_PATCHLEVEL = 13; +{$EXTERNALSYM SDL_PATCHLEVEL} + + // SDL.h constants + SDL_INIT_TIMER = $00000001; +{$EXTERNALSYM SDL_INIT_TIMER} + SDL_INIT_AUDIO = $00000010; +{$EXTERNALSYM SDL_INIT_AUDIO} + SDL_INIT_VIDEO = $00000020; +{$EXTERNALSYM SDL_INIT_VIDEO} + SDL_INIT_CDROM = $00000100; +{$EXTERNALSYM SDL_INIT_CDROM} + SDL_INIT_JOYSTICK = $00000200; +{$EXTERNALSYM SDL_INIT_JOYSTICK} + SDL_INIT_NOPARACHUTE = $00100000; // Don't catch fatal signals +{$EXTERNALSYM SDL_INIT_NOPARACHUTE} + SDL_INIT_EVENTTHREAD = $01000000; // Not supported on all OS's +{$EXTERNALSYM SDL_INIT_EVENTTHREAD} + SDL_INIT_EVERYTHING = $0000FFFF; +{$EXTERNALSYM SDL_INIT_EVERYTHING} + + // SDL_error.h constants + ERR_MAX_STRLEN = 128; +{$EXTERNALSYM ERR_MAX_STRLEN} + ERR_MAX_ARGS = 5; +{$EXTERNALSYM ERR_MAX_ARGS} + + // SDL_types.h constants + SDL_PRESSED = $01; +{$EXTERNALSYM SDL_PRESSED} + SDL_RELEASED = $00; +{$EXTERNALSYM SDL_RELEASED} + + // SDL_timer.h constants + // This is the OS scheduler timeslice, in milliseconds + SDL_TIMESLICE = 10; +{$EXTERNALSYM SDL_TIMESLICE} + // This is the maximum resolution of the SDL timer on all platforms + TIMER_RESOLUTION = 10; // Experimentally determined +{$EXTERNALSYM TIMER_RESOLUTION} + + // SDL_audio.h constants + AUDIO_U8 = $0008; // Unsigned 8-bit samples +{$EXTERNALSYM AUDIO_U8} + AUDIO_S8 = $8008; // Signed 8-bit samples +{$EXTERNALSYM AUDIO_S8} + AUDIO_U16LSB = $0010; // Unsigned 16-bit samples +{$EXTERNALSYM AUDIO_U16LSB} + AUDIO_S16LSB = $8010; // Signed 16-bit samples +{$EXTERNALSYM AUDIO_S16LSB} + AUDIO_U16MSB = $1010; // As above, but big-endian byte order +{$EXTERNALSYM AUDIO_U16MSB} + AUDIO_S16MSB = $9010; // As above, but big-endian byte order +{$EXTERNALSYM AUDIO_S16MSB} + AUDIO_U16 = AUDIO_U16LSB; +{$EXTERNALSYM AUDIO_U16} + AUDIO_S16 = AUDIO_S16LSB; +{$EXTERNALSYM AUDIO_S16} + + + // SDL_cdrom.h constants + // The maximum number of CD-ROM tracks on a disk + SDL_MAX_TRACKS = 99; +{$EXTERNALSYM SDL_MAX_TRACKS} + // The types of CD-ROM track possible + SDL_AUDIO_TRACK = $00; +{$EXTERNALSYM SDL_AUDIO_TRACK} + SDL_DATA_TRACK = $04; +{$EXTERNALSYM SDL_DATA_TRACK} + + // Conversion functions from frames to Minute/Second/Frames and vice versa + CD_FPS = 75; +{$EXTERNALSYM CD_FPS} + // SDL_byteorder.h constants + // The two types of endianness + SDL_LIL_ENDIAN = 1234; +{$EXTERNALSYM SDL_LIL_ENDIAN} + SDL_BIG_ENDIAN = 4321; +{$EXTERNALSYM SDL_BIG_ENDIAN} + +{$IFDEF IA32} + + SDL_BYTEORDER = SDL_LIL_ENDIAN; +{$EXTERNALSYM SDL_BYTEORDER} + // Native audio byte ordering + AUDIO_U16SYS = AUDIO_U16LSB; +{$EXTERNALSYM AUDIO_U16SYS} + AUDIO_S16SYS = AUDIO_S16LSB; +{$EXTERNALSYM AUDIO_S16SYS} + +{$ELSE} + + SDL_BYTEORDER = SDL_BIG_ENDIAN; +{$EXTERNALSYM SDL_BYTEORDER} + // Native audio byte ordering + AUDIO_U16SYS = AUDIO_U16MSB; +{$EXTERNALSYM AUDIO_U16SYS} + AUDIO_S16SYS = AUDIO_S16MSB; +{$EXTERNALSYM AUDIO_S16SYS} + +{$ENDIF} + + + SDL_MIX_MAXVOLUME = 128; +{$EXTERNALSYM SDL_MIX_MAXVOLUME} + + // SDL_joystick.h constants + MAX_JOYSTICKS = 2; // only 2 are supported in the multimedia API +{$EXTERNALSYM MAX_JOYSTICKS} + MAX_AXES = 6; // each joystick can have up to 6 axes +{$EXTERNALSYM MAX_AXES} + MAX_BUTTONS = 32; // and 32 buttons +{$EXTERNALSYM MAX_BUTTONS} + AXIS_MIN = -32768; // minimum value for axis coordinate +{$EXTERNALSYM AXIS_MIN} + AXIS_MAX = 32767; // maximum value for axis coordinate +{$EXTERNALSYM AXIS_MAX} + JOY_AXIS_THRESHOLD = (((AXIS_MAX) - (AXIS_MIN)) / 100); // 1% motion +{$EXTERNALSYM JOY_AXIS_THRESHOLD} + //JOY_BUTTON_FLAG(n) (1<<n) + // array to hold joystick ID values + //static UInt SYS_JoystickID[MAX_JOYSTICKS]; + //static JOYCAPS SYS_Joystick[MAX_JOYSTICKS]; + + { Get the current state of a POV hat on a joystick + The return value is one of the following positions: } + SDL_HAT_CENTERED = $00; +{$EXTERNALSYM SDL_HAT_CENTERED} + SDL_HAT_UP = $01; +{$EXTERNALSYM SDL_HAT_UP} + SDL_HAT_RIGHT = $02; +{$EXTERNALSYM SDL_HAT_RIGHT} + SDL_HAT_DOWN = $04; +{$EXTERNALSYM SDL_HAT_DOWN} + SDL_HAT_LEFT = $08; +{$EXTERNALSYM SDL_HAT_LEFT} + SDL_HAT_RIGHTUP = SDL_HAT_RIGHT or SDL_HAT_UP; +{$EXTERNALSYM SDL_HAT_RIGHTUP} + SDL_HAT_RIGHTDOWN = SDL_HAT_RIGHT or SDL_HAT_DOWN; +{$EXTERNALSYM SDL_HAT_RIGHTDOWN} + SDL_HAT_LEFTUP = SDL_HAT_LEFT or SDL_HAT_UP; +{$EXTERNALSYM SDL_HAT_LEFTUP} + SDL_HAT_LEFTDOWN = SDL_HAT_LEFT or SDL_HAT_DOWN; +{$EXTERNALSYM SDL_HAT_LEFTDOWN} + + // SDL_events.h constants + SDL_NOEVENT = 0; // Unused (do not remove) +{$EXTERNALSYM SDL_NOEVENT} + SDL_ACTIVEEVENT = 1; // Application loses/gains visibility +{$EXTERNALSYM SDL_ACTIVEEVENT} + SDL_KEYDOWN = 2; // Keys pressed +{$EXTERNALSYM SDL_KEYDOWN} + SDL_KEYUP = 3; // Keys released +{$EXTERNALSYM SDL_KEYUP} + SDL_MOUSEMOTION = 4; // Mouse moved +{$EXTERNALSYM SDL_MOUSEMOTION} + SDL_MOUSEBUTTONDOWN = 5; // Mouse button pressed +{$EXTERNALSYM SDL_MOUSEBUTTONDOWN} + SDL_MOUSEBUTTONUP = 6; // Mouse button released +{$EXTERNALSYM SDL_MOUSEBUTTONUP} + SDL_JOYAXISMOTION = 7; // Joystick axis motion +{$EXTERNALSYM SDL_JOYAXISMOTION} + SDL_JOYBALLMOTION = 8; // Joystick trackball motion +{$EXTERNALSYM SDL_JOYBALLMOTION} + SDL_JOYHATMOTION = 9; // Joystick hat position change +{$EXTERNALSYM SDL_JOYHATMOTION} + SDL_JOYBUTTONDOWN = 10; // Joystick button pressed +{$EXTERNALSYM SDL_JOYBUTTONDOWN} + SDL_JOYBUTTONUP = 11; // Joystick button released +{$EXTERNALSYM SDL_JOYBUTTONUP} + SDL_QUITEV = 12; // User-requested quit ( Changed due to procedure conflict ) +{$EXTERNALSYM SDL_QUIT} + SDL_SYSWMEVENT = 13; // System specific event +{$EXTERNALSYM SDL_SYSWMEVENT} + SDL_EVENT_RESERVEDA = 14; // Reserved for future use.. +{$EXTERNALSYM SDL_EVENT_RESERVEDA} + SDL_EVENT_RESERVED = 15; // Reserved for future use.. +{$EXTERNALSYM SDL_EVENT_RESERVED} + SDL_VIDEORESIZE = 16; // User resized video mode +{$EXTERNALSYM SDL_VIDEORESIZE} + SDL_VIDEOEXPOSE = 17; // Screen needs to be redrawn +{$EXTERNALSYM SDL_VIDEOEXPOSE} + SDL_EVENT_RESERVED2 = 18; // Reserved for future use.. +{$EXTERNALSYM SDL_EVENT_RESERVED2} + SDL_EVENT_RESERVED3 = 19; // Reserved for future use.. +{$EXTERNALSYM SDL_EVENT_RESERVED3} + SDL_EVENT_RESERVED4 = 20; // Reserved for future use.. +{$EXTERNALSYM SDL_EVENT_RESERVED4} + SDL_EVENT_RESERVED5 = 21; // Reserved for future use.. +{$EXTERNALSYM SDL_EVENT_RESERVED5} + SDL_EVENT_RESERVED6 = 22; // Reserved for future use.. +{$EXTERNALSYM SDL_EVENT_RESERVED6} + SDL_EVENT_RESERVED7 = 23; // Reserved for future use.. +{$EXTERNALSYM SDL_EVENT_RESERVED7} + // Events SDL_USEREVENT through SDL_MAXEVENTS-1 are for your use + SDL_USEREVENT = 24; +{$EXTERNALSYM SDL_USEREVENT} + // This last event is only for bounding internal arrays + // It is the number of bits in the event mask datatype -- UInt32 + SDL_NUMEVENTS = 32; +{$EXTERNALSYM SDL_NUMEVENTS} + + SDL_ALLEVENTS = $FFFFFFFF; +{$EXTERNALSYM SDL_ALLEVENTS} + + SDL_ACTIVEEVENTMASK = 1 shl SDL_ACTIVEEVENT; +{$EXTERNALSYM SDL_ACTIVEEVENTMASK} + SDL_KEYDOWNMASK = 1 shl SDL_KEYDOWN; +{$EXTERNALSYM SDL_KEYDOWNMASK} + SDL_KEYUPMASK = 1 shl SDL_KEYUP; +{$EXTERNALSYM SDL_KEYUPMASK} + SDL_MOUSEMOTIONMASK = 1 shl SDL_MOUSEMOTION; +{$EXTERNALSYM SDL_MOUSEMOTIONMASK} + SDL_MOUSEBUTTONDOWNMASK = 1 shl SDL_MOUSEBUTTONDOWN; +{$EXTERNALSYM SDL_MOUSEBUTTONDOWNMASK} + SDL_MOUSEBUTTONUPMASK = 1 shl SDL_MOUSEBUTTONUP; +{$EXTERNALSYM SDL_MOUSEBUTTONUPMASK} + SDL_MOUSEEVENTMASK = 1 shl SDL_MOUSEMOTION or + 1 shl SDL_MOUSEBUTTONDOWN or + 1 shl SDL_MOUSEBUTTONUP; +{$EXTERNALSYM SDL_MOUSEEVENTMASK} + SDL_JOYAXISMOTIONMASK = 1 shl SDL_JOYAXISMOTION; +{$EXTERNALSYM SDL_JOYAXISMOTIONMASK} + SDL_JOYBALLMOTIONMASK = 1 shl SDL_JOYBALLMOTION; +{$EXTERNALSYM SDL_JOYBALLMOTIONMASK} + SDL_JOYHATMOTIONMASK = 1 shl SDL_JOYHATMOTION; +{$EXTERNALSYM SDL_JOYHATMOTIONMASK} + SDL_JOYBUTTONDOWNMASK = 1 shl SDL_JOYBUTTONDOWN; +{$EXTERNALSYM SDL_JOYBUTTONDOWNMASK} + SDL_JOYBUTTONUPMASK = 1 shl SDL_JOYBUTTONUP; +{$EXTERNALSYM SDL_JOYBUTTONUPMASK} + SDL_JOYEVENTMASK = 1 shl SDL_JOYAXISMOTION or + 1 shl SDL_JOYBALLMOTION or + 1 shl SDL_JOYHATMOTION or + 1 shl SDL_JOYBUTTONDOWN or + 1 shl SDL_JOYBUTTONUP; +{$EXTERNALSYM SDL_JOYEVENTMASK} + SDL_VIDEORESIZEMASK = 1 shl SDL_VIDEORESIZE; +{$EXTERNALSYM SDL_VIDEORESIZEMASK} + SDL_QUITMASK = 1 shl SDL_QUITEV; +{$EXTERNALSYM SDL_QUITMASK} + SDL_SYSWMEVENTMASK = 1 shl SDL_SYSWMEVENT; +{$EXTERNALSYM SDL_SYSWMEVENTMASK} + + { This function allows you to set the state of processing certain events. + If 'state' is set to SDL_IGNORE, that event will be automatically dropped + from the event queue and will not event be filtered. + If 'state' is set to SDL_ENABLE, that event will be processed normally. + If 'state' is set to SDL_QUERY, SDL_EventState() will return the + current processing state of the specified event. } + + SDL_QUERY = -1; +{$EXTERNALSYM SDL_QUERY} + SDL_IGNORE = 0; +{$EXTERNALSYM SDL_IGNORE} + SDL_DISABLE = 0; +{$EXTERNALSYM SDL_DISABLE} + SDL_ENABLE = 1; +{$EXTERNALSYM SDL_ENABLE} + + //SDL_keyboard.h constants + // This is the mask which refers to all hotkey bindings + SDL_ALL_HOTKEYS = $FFFFFFFF; +{$EXTERNALSYM SDL_ALL_HOTKEYS} + +{ Enable/Disable keyboard repeat. Keyboard repeat defaults to off. + 'delay' is the initial delay in ms between the time when a key is + pressed, and keyboard repeat begins. + 'interval' is the time in ms between keyboard repeat events. } + + SDL_DEFAULT_REPEAT_DELAY = 500; +{$EXTERNALSYM SDL_DEFAULT_REPEAT_DELAY} + SDL_DEFAULT_REPEAT_INTERVAL = 30; +{$EXTERNALSYM SDL_DEFAULT_REPEAT_INTERVAL} + + // The keyboard syms have been cleverly chosen to map to ASCII + SDLK_UNKNOWN = 0; +{$EXTERNALSYM SDLK_UNKNOWN} + SDLK_FIRST = 0; +{$EXTERNALSYM SDLK_FIRST} + SDLK_BACKSPACE = 8; +{$EXTERNALSYM SDLK_BACKSPACE} + SDLK_TAB = 9; +{$EXTERNALSYM SDLK_TAB} + SDLK_CLEAR = 12; +{$EXTERNALSYM SDLK_CLEAR} + SDLK_RETURN = 13; +{$EXTERNALSYM SDLK_RETURN} + SDLK_PAUSE = 19; +{$EXTERNALSYM SDLK_PAUSE} + SDLK_ESCAPE = 27; +{$EXTERNALSYM SDLK_ESCAPE} + SDLK_SPACE = 32; +{$EXTERNALSYM SDLK_SPACE} + SDLK_EXCLAIM = 33; +{$EXTERNALSYM SDLK_EXCLAIM} + SDLK_QUOTEDBL = 34; +{$EXTERNALSYM SDLK_QUOTEDBL} + SDLK_HASH = 35; +{$EXTERNALSYM SDLK_HASH} + SDLK_DOLLAR = 36; +{$EXTERNALSYM SDLK_DOLLAR} + SDLK_AMPERSAND = 38; +{$EXTERNALSYM SDLK_AMPERSAND} + SDLK_QUOTE = 39; +{$EXTERNALSYM SDLK_QUOTE} + SDLK_LEFTPAREN = 40; +{$EXTERNALSYM SDLK_LEFTPAREN} + SDLK_RIGHTPAREN = 41; +{$EXTERNALSYM SDLK_RIGHTPAREN} + SDLK_ASTERISK = 42; +{$EXTERNALSYM SDLK_ASTERISK} + SDLK_PLUS = 43; +{$EXTERNALSYM SDLK_PLUS} + SDLK_COMMA = 44; +{$EXTERNALSYM SDLK_COMMA} + SDLK_MINUS = 45; +{$EXTERNALSYM SDLK_MINUS} + SDLK_PERIOD = 46; +{$EXTERNALSYM SDLK_PERIOD} + SDLK_SLASH = 47; +{$EXTERNALSYM SDLK_SLASH} + SDLK_0 = 48; +{$EXTERNALSYM SDLK_0} + SDLK_1 = 49; +{$EXTERNALSYM SDLK_1} + SDLK_2 = 50; +{$EXTERNALSYM SDLK_2} + SDLK_3 = 51; +{$EXTERNALSYM SDLK_3} + SDLK_4 = 52; +{$EXTERNALSYM SDLK_4} + SDLK_5 = 53; +{$EXTERNALSYM SDLK_5} + SDLK_6 = 54; +{$EXTERNALSYM SDLK_6} + SDLK_7 = 55; +{$EXTERNALSYM SDLK_7} + SDLK_8 = 56; +{$EXTERNALSYM SDLK_8} + SDLK_9 = 57; +{$EXTERNALSYM SDLK_9} + SDLK_COLON = 58; +{$EXTERNALSYM SDLK_COLON} + SDLK_SEMICOLON = 59; +{$EXTERNALSYM SDLK_SEMICOLON} + SDLK_LESS = 60; +{$EXTERNALSYM SDLK_LESS} + SDLK_EQUALS = 61; +{$EXTERNALSYM SDLK_EQUALS} + SDLK_GREATER = 62; +{$EXTERNALSYM SDLK_GREATER} + SDLK_QUESTION = 63; +{$EXTERNALSYM SDLK_QUESTION} + SDLK_AT = 64; +{$EXTERNALSYM SDLK_AT} + + { Skip uppercase letters } + + SDLK_LEFTBRACKET = 91; +{$EXTERNALSYM SDLK_LEFTBRACKET} + SDLK_BACKSLASH = 92; +{$EXTERNALSYM SDLK_BACKSLASH} + SDLK_RIGHTBRACKET = 93; +{$EXTERNALSYM SDLK_RIGHTBRACKET} + SDLK_CARET = 94; +{$EXTERNALSYM SDLK_CARET} + SDLK_UNDERSCORE = 95; +{$EXTERNALSYM SDLK_UNDERSCORE} + SDLK_BACKQUOTE = 96; +{$EXTERNALSYM SDLK_BACKQUOTE} + SDLK_a = 97; +{$EXTERNALSYM SDLK_a} + SDLK_b = 98; +{$EXTERNALSYM SDLK_b} + SDLK_c = 99; +{$EXTERNALSYM SDLK_c} + SDLK_d = 100; +{$EXTERNALSYM SDLK_d} + SDLK_e = 101; +{$EXTERNALSYM SDLK_e} + SDLK_f = 102; +{$EXTERNALSYM SDLK_f} + SDLK_g = 103; +{$EXTERNALSYM SDLK_g} + SDLK_h = 104; +{$EXTERNALSYM SDLK_h} + SDLK_i = 105; +{$EXTERNALSYM SDLK_i} + SDLK_j = 106; +{$EXTERNALSYM SDLK_j} + SDLK_k = 107; +{$EXTERNALSYM SDLK_k} + SDLK_l = 108; +{$EXTERNALSYM SDLK_l} + SDLK_m = 109; +{$EXTERNALSYM SDLK_m} + SDLK_n = 110; +{$EXTERNALSYM SDLK_n} + SDLK_o = 111; +{$EXTERNALSYM SDLK_o} + SDLK_p = 112; +{$EXTERNALSYM SDLK_p} + SDLK_q = 113; +{$EXTERNALSYM SDLK_q} + SDLK_r = 114; +{$EXTERNALSYM SDLK_r} + SDLK_s = 115; +{$EXTERNALSYM SDLK_s} + SDLK_t = 116; +{$EXTERNALSYM SDLK_t} + SDLK_u = 117; +{$EXTERNALSYM SDLK_u} + SDLK_v = 118; +{$EXTERNALSYM SDLK_v} + SDLK_w = 119; +{$EXTERNALSYM SDLK_w} + SDLK_x = 120; +{$EXTERNALSYM SDLK_x} + SDLK_y = 121; +{$EXTERNALSYM SDLK_y} + SDLK_z = 122; +{$EXTERNALSYM SDLK_z} + SDLK_DELETE = 127; +{$EXTERNALSYM SDLK_DELETE} + // End of ASCII mapped keysyms + + // International keyboard syms + SDLK_WORLD_0 = 160; // 0xA0 +{$EXTERNALSYM SDLK_WORLD_0} + SDLK_WORLD_1 = 161; +{$EXTERNALSYM SDLK_WORLD_1} + SDLK_WORLD_2 = 162; +{$EXTERNALSYM SDLK_WORLD_2} + SDLK_WORLD_3 = 163; +{$EXTERNALSYM SDLK_WORLD_3} + SDLK_WORLD_4 = 164; +{$EXTERNALSYM SDLK_WORLD_4} + SDLK_WORLD_5 = 165; +{$EXTERNALSYM SDLK_WORLD_5} + SDLK_WORLD_6 = 166; +{$EXTERNALSYM SDLK_WORLD_6} + SDLK_WORLD_7 = 167; +{$EXTERNALSYM SDLK_WORLD_7} + SDLK_WORLD_8 = 168; +{$EXTERNALSYM SDLK_WORLD_8} + SDLK_WORLD_9 = 169; +{$EXTERNALSYM SDLK_WORLD_9} + SDLK_WORLD_10 = 170; +{$EXTERNALSYM SDLK_WORLD_10} + SDLK_WORLD_11 = 171; +{$EXTERNALSYM SDLK_WORLD_11} + SDLK_WORLD_12 = 172; +{$EXTERNALSYM SDLK_WORLD_12} + SDLK_WORLD_13 = 173; +{$EXTERNALSYM SDLK_WORLD_13} + SDLK_WORLD_14 = 174; +{$EXTERNALSYM SDLK_WORLD_14} + SDLK_WORLD_15 = 175; +{$EXTERNALSYM SDLK_WORLD_15} + SDLK_WORLD_16 = 176; +{$EXTERNALSYM SDLK_WORLD_16} + SDLK_WORLD_17 = 177; +{$EXTERNALSYM SDLK_WORLD_17} + SDLK_WORLD_18 = 178; +{$EXTERNALSYM SDLK_WORLD_18} + SDLK_WORLD_19 = 179; +{$EXTERNALSYM SDLK_WORLD_19} + SDLK_WORLD_20 = 180; +{$EXTERNALSYM SDLK_WORLD_20} + SDLK_WORLD_21 = 181; +{$EXTERNALSYM SDLK_WORLD_21} + SDLK_WORLD_22 = 182; +{$EXTERNALSYM SDLK_WORLD_22} + SDLK_WORLD_23 = 183; +{$EXTERNALSYM SDLK_WORLD_23} + SDLK_WORLD_24 = 184; +{$EXTERNALSYM SDLK_WORLD_24} + SDLK_WORLD_25 = 185; +{$EXTERNALSYM SDLK_WORLD_25} + SDLK_WORLD_26 = 186; +{$EXTERNALSYM SDLK_WORLD_26} + SDLK_WORLD_27 = 187; +{$EXTERNALSYM SDLK_WORLD_27} + SDLK_WORLD_28 = 188; +{$EXTERNALSYM SDLK_WORLD_28} + SDLK_WORLD_29 = 189; +{$EXTERNALSYM SDLK_WORLD_29} + SDLK_WORLD_30 = 190; +{$EXTERNALSYM SDLK_WORLD_30} + SDLK_WORLD_31 = 191; +{$EXTERNALSYM SDLK_WORLD_31} + SDLK_WORLD_32 = 192; +{$EXTERNALSYM SDLK_WORLD_32} + SDLK_WORLD_33 = 193; +{$EXTERNALSYM SDLK_WORLD_33} + SDLK_WORLD_34 = 194; +{$EXTERNALSYM SDLK_WORLD_34} + SDLK_WORLD_35 = 195; +{$EXTERNALSYM SDLK_WORLD_35} + SDLK_WORLD_36 = 196; +{$EXTERNALSYM SDLK_WORLD_36} + SDLK_WORLD_37 = 197; +{$EXTERNALSYM SDLK_WORLD_37} + SDLK_WORLD_38 = 198; +{$EXTERNALSYM SDLK_WORLD_38} + SDLK_WORLD_39 = 199; +{$EXTERNALSYM SDLK_WORLD_39} + SDLK_WORLD_40 = 200; +{$EXTERNALSYM SDLK_WORLD_40} + SDLK_WORLD_41 = 201; +{$EXTERNALSYM SDLK_WORLD_41} + SDLK_WORLD_42 = 202; +{$EXTERNALSYM SDLK_WORLD_42} + SDLK_WORLD_43 = 203; +{$EXTERNALSYM SDLK_WORLD_43} + SDLK_WORLD_44 = 204; +{$EXTERNALSYM SDLK_WORLD_44} + SDLK_WORLD_45 = 205; +{$EXTERNALSYM SDLK_WORLD_45} + SDLK_WORLD_46 = 206; +{$EXTERNALSYM SDLK_WORLD_46} + SDLK_WORLD_47 = 207; +{$EXTERNALSYM SDLK_WORLD_47} + SDLK_WORLD_48 = 208; +{$EXTERNALSYM SDLK_WORLD_48} + SDLK_WORLD_49 = 209; +{$EXTERNALSYM SDLK_WORLD_49} + SDLK_WORLD_50 = 210; +{$EXTERNALSYM SDLK_WORLD_50} + SDLK_WORLD_51 = 211; +{$EXTERNALSYM SDLK_WORLD_51} + SDLK_WORLD_52 = 212; +{$EXTERNALSYM SDLK_WORLD_52} + SDLK_WORLD_53 = 213; +{$EXTERNALSYM SDLK_WORLD_53} + SDLK_WORLD_54 = 214; +{$EXTERNALSYM SDLK_WORLD_54} + SDLK_WORLD_55 = 215; +{$EXTERNALSYM SDLK_WORLD_55} + SDLK_WORLD_56 = 216; +{$EXTERNALSYM SDLK_WORLD_56} + SDLK_WORLD_57 = 217; +{$EXTERNALSYM SDLK_WORLD_57} + SDLK_WORLD_58 = 218; +{$EXTERNALSYM SDLK_WORLD_58} + SDLK_WORLD_59 = 219; +{$EXTERNALSYM SDLK_WORLD_59} + SDLK_WORLD_60 = 220; +{$EXTERNALSYM SDLK_WORLD_60} + SDLK_WORLD_61 = 221; +{$EXTERNALSYM SDLK_WORLD_61} + SDLK_WORLD_62 = 222; +{$EXTERNALSYM SDLK_WORLD_62} + SDLK_WORLD_63 = 223; +{$EXTERNALSYM SDLK_WORLD_63} + SDLK_WORLD_64 = 224; +{$EXTERNALSYM SDLK_WORLD_64} + SDLK_WORLD_65 = 225; +{$EXTERNALSYM SDLK_WORLD_65} + SDLK_WORLD_66 = 226; +{$EXTERNALSYM SDLK_WORLD_66} + SDLK_WORLD_67 = 227; +{$EXTERNALSYM SDLK_WORLD_67} + SDLK_WORLD_68 = 228; +{$EXTERNALSYM SDLK_WORLD_68} + SDLK_WORLD_69 = 229; +{$EXTERNALSYM SDLK_WORLD_69} + SDLK_WORLD_70 = 230; +{$EXTERNALSYM SDLK_WORLD_70} + SDLK_WORLD_71 = 231; +{$EXTERNALSYM SDLK_WORLD_71} + SDLK_WORLD_72 = 232; +{$EXTERNALSYM SDLK_WORLD_72} + SDLK_WORLD_73 = 233; +{$EXTERNALSYM SDLK_WORLD_73} + SDLK_WORLD_74 = 234; +{$EXTERNALSYM SDLK_WORLD_74} + SDLK_WORLD_75 = 235; +{$EXTERNALSYM SDLK_WORLD_75} + SDLK_WORLD_76 = 236; +{$EXTERNALSYM SDLK_WORLD_76} + SDLK_WORLD_77 = 237; +{$EXTERNALSYM SDLK_WORLD_77} + SDLK_WORLD_78 = 238; +{$EXTERNALSYM SDLK_WORLD_78} + SDLK_WORLD_79 = 239; +{$EXTERNALSYM SDLK_WORLD_79} + SDLK_WORLD_80 = 240; +{$EXTERNALSYM SDLK_WORLD_80} + SDLK_WORLD_81 = 241; +{$EXTERNALSYM SDLK_WORLD_81} + SDLK_WORLD_82 = 242; +{$EXTERNALSYM SDLK_WORLD_82} + SDLK_WORLD_83 = 243; +{$EXTERNALSYM SDLK_WORLD_83} + SDLK_WORLD_84 = 244; +{$EXTERNALSYM SDLK_WORLD_84} + SDLK_WORLD_85 = 245; +{$EXTERNALSYM SDLK_WORLD_85} + SDLK_WORLD_86 = 246; +{$EXTERNALSYM SDLK_WORLD_86} + SDLK_WORLD_87 = 247; +{$EXTERNALSYM SDLK_WORLD_87} + SDLK_WORLD_88 = 248; +{$EXTERNALSYM SDLK_WORLD_88} + SDLK_WORLD_89 = 249; +{$EXTERNALSYM SDLK_WORLD_89} + SDLK_WORLD_90 = 250; +{$EXTERNALSYM SDLK_WORLD_90} + SDLK_WORLD_91 = 251; +{$EXTERNALSYM SDLK_WORLD_91} + SDLK_WORLD_92 = 252; +{$EXTERNALSYM SDLK_WORLD_92} + SDLK_WORLD_93 = 253; +{$EXTERNALSYM SDLK_WORLD_93} + SDLK_WORLD_94 = 254; +{$EXTERNALSYM SDLK_WORLD_94} + SDLK_WORLD_95 = 255; // 0xFF +{$EXTERNALSYM SDLK_WORLD_95} + + // Numeric keypad + SDLK_KP0 = 256; +{$EXTERNALSYM SDLK_KP0} + SDLK_KP1 = 257; +{$EXTERNALSYM SDLK_KP1} + SDLK_KP2 = 258; +{$EXTERNALSYM SDLK_KP2} + SDLK_KP3 = 259; +{$EXTERNALSYM SDLK_KP3} + SDLK_KP4 = 260; +{$EXTERNALSYM SDLK_KP4} + SDLK_KP5 = 261; +{$EXTERNALSYM SDLK_KP5} + SDLK_KP6 = 262; +{$EXTERNALSYM SDLK_KP6} + SDLK_KP7 = 263; +{$EXTERNALSYM SDLK_KP7} + SDLK_KP8 = 264; +{$EXTERNALSYM SDLK_KP8} + SDLK_KP9 = 265; +{$EXTERNALSYM SDLK_KP9} + SDLK_KP_PERIOD = 266; +{$EXTERNALSYM SDLK_KP_PERIOD} + SDLK_KP_DIVIDE = 267; +{$EXTERNALSYM SDLK_KP_DIVIDE} + SDLK_KP_MULTIPLY = 268; +{$EXTERNALSYM SDLK_KP_MULTIPLY} + SDLK_KP_MINUS = 269; +{$EXTERNALSYM SDLK_KP_MINUS} + SDLK_KP_PLUS = 270; +{$EXTERNALSYM SDLK_KP_PLUS} + SDLK_KP_ENTER = 271; +{$EXTERNALSYM SDLK_KP_ENTER} + SDLK_KP_EQUALS = 272; +{$EXTERNALSYM SDLK_KP_EQUALS} + + // Arrows + Home/End pad + SDLK_UP = 273; +{$EXTERNALSYM SDLK_UP} + SDLK_DOWN = 274; +{$EXTERNALSYM SDLK_DOWN} + SDLK_RIGHT = 275; +{$EXTERNALSYM SDLK_RIGHT} + SDLK_LEFT = 276; +{$EXTERNALSYM SDLK_LEFT} + SDLK_INSERT = 277; +{$EXTERNALSYM SDLK_INSERT} + SDLK_HOME = 278; +{$EXTERNALSYM SDLK_HOME} + SDLK_END = 279; +{$EXTERNALSYM SDLK_END} + SDLK_PAGEUP = 280; +{$EXTERNALSYM SDLK_PAGEUP} + SDLK_PAGEDOWN = 281; +{$EXTERNALSYM SDLK_PAGEDOWN} + + // Function keys + SDLK_F1 = 282; +{$EXTERNALSYM SDLK_F1} + SDLK_F2 = 283; +{$EXTERNALSYM SDLK_F2} + SDLK_F3 = 284; +{$EXTERNALSYM SDLK_F3} + SDLK_F4 = 285; +{$EXTERNALSYM SDLK_F4} + SDLK_F5 = 286; +{$EXTERNALSYM SDLK_F5} + SDLK_F6 = 287; +{$EXTERNALSYM SDLK_F6} + SDLK_F7 = 288; +{$EXTERNALSYM SDLK_F7} + SDLK_F8 = 289; +{$EXTERNALSYM SDLK_F8} + SDLK_F9 = 290; +{$EXTERNALSYM SDLK_F9} + SDLK_F10 = 291; +{$EXTERNALSYM SDLK_F10} + SDLK_F11 = 292; +{$EXTERNALSYM SDLK_F11} + SDLK_F12 = 293; +{$EXTERNALSYM SDLK_F12} + SDLK_F13 = 294; +{$EXTERNALSYM SDLK_F13} + SDLK_F14 = 295; +{$EXTERNALSYM SDLK_F14} + SDLK_F15 = 296; +{$EXTERNALSYM SDLK_F15} + + // Key state modifier keys + SDLK_NUMLOCK = 300; +{$EXTERNALSYM SDLK_NUMLOCK} + SDLK_CAPSLOCK = 301; +{$EXTERNALSYM SDLK_CAPSLOCK} + SDLK_SCROLLOCK = 302; +{$EXTERNALSYM SDLK_SCROLLOCK} + SDLK_RSHIFT = 303; +{$EXTERNALSYM SDLK_RSHIFT} + SDLK_LSHIFT = 304; +{$EXTERNALSYM SDLK_LSHIFT} + SDLK_RCTRL = 305; +{$EXTERNALSYM SDLK_RCTRL} + SDLK_LCTRL = 306; +{$EXTERNALSYM SDLK_LCTRL} + SDLK_RALT = 307; +{$EXTERNALSYM SDLK_RALT} + SDLK_LALT = 308; +{$EXTERNALSYM SDLK_LALT} + SDLK_RMETA = 309; +{$EXTERNALSYM SDLK_RMETA} + SDLK_LMETA = 310; +{$EXTERNALSYM SDLK_LMETA} + SDLK_LSUPER = 311; // Left "Windows" key +{$EXTERNALSYM SDLK_LSUPER} + SDLK_RSUPER = 312; // Right "Windows" key +{$EXTERNALSYM SDLK_RSUPER} + SDLK_MODE = 313; // "Alt Gr" key +{$EXTERNALSYM SDLK_MODE} + SDLK_COMPOSE = 314; // Multi-key compose key +{$EXTERNALSYM SDLK_COMPOSE} + + // Miscellaneous function keys + SDLK_HELP = 315; +{$EXTERNALSYM SDLK_HELP} + SDLK_PRINT = 316; +{$EXTERNALSYM SDLK_PRINT} + SDLK_SYSREQ = 317; +{$EXTERNALSYM SDLK_SYSREQ} + SDLK_BREAK = 318; +{$EXTERNALSYM SDLK_BREAK} + SDLK_MENU = 319; +{$EXTERNALSYM SDLK_MENU} + SDLK_POWER = 320; // Power Macintosh power key +{$EXTERNALSYM SDLK_POWER} + SDLK_EURO = 321; // Some european keyboards +{$EXTERNALSYM SDLK_EURO} + +{$IFDEF GP2X} +SDLK_GP2X_UP = 0; +{$EXTERNALSYM SDLK_GP2X_UP} +SDLK_GP2X_UPLEFT = 1; +{$EXTERNALSYM SDLK_GP2X_UPLEFT} +SDLK_GP2X_LEFT = 2; +{$EXTERNALSYM SDLK_GP2X_LEFT} +SDLK_GP2X_DOWNLEFT = 3; +{$EXTERNALSYM SDLK_GP2X_DOWNLEFT} +SDLK_GP2X_DOWN = 4; +{$EXTERNALSYM SDLK_GP2X_DOWN} +SDLK_GP2X_DOWNRIGHT = 5; +{$EXTERNALSYM SDLK_GP2X_DOWNRIGHT} +SDLK_GP2X_RIGHT = 6; +{$EXTERNALSYM SDLK_GP2X_RIGHT} +SDLK_GP2X_UPRIGHT = 7; +{$EXTERNALSYM SDLK_GP2X_UPRIGHT} +SDLK_GP2X_START = 8; +{$EXTERNALSYM SDLK_GP2X_START} +SDLK_GP2X_SELECT = 9; +{$EXTERNALSYM SDLK_GP2X_SELECT} +SDLK_GP2X_L = 10; +{$EXTERNALSYM SDLK_GP2X_L} +SDLK_GP2X_R = 11; +{$EXTERNALSYM SDLK_GP2X_R} +SDLK_GP2X_A = 12; +{$EXTERNALSYM SDLK_GP2X_A} +SDLK_GP2X_B = 13; +{$EXTERNALSYM SDLK_GP2X_B} +SDLK_GP2X_Y = 14; +{$EXTERNALSYM SDLK_GP2X_Y} +SDLK_GP2X_X = 15; +{$EXTERNALSYM SDLK_GP2X_X} +SDLK_GP2X_VOLUP = 16; +{$EXTERNALSYM SDLK_GP2X_VOLUP} +SDLK_GP2X_VOLDOWN = 17; +{$EXTERNALSYM SDLK_GP2X_VOLDOWN} +SDLK_GP2X_CLICK = 18; +{$EXTERNALSYM SDLK_GP2X_CLICK} +{$ENDIF} + + // Enumeration of valid key mods (possibly OR'd together) + KMOD_NONE = $0000; +{$EXTERNALSYM KMOD_NONE} + KMOD_LSHIFT = $0001; +{$EXTERNALSYM KMOD_LSHIFT} + KMOD_RSHIFT = $0002; +{$EXTERNALSYM KMOD_RSHIFT} + KMOD_LCTRL = $0040; +{$EXTERNALSYM KMOD_LCTRL} + KMOD_RCTRL = $0080; +{$EXTERNALSYM KMOD_RCTRL} + KMOD_LALT = $0100; +{$EXTERNALSYM KMOD_LALT} + KMOD_RALT = $0200; +{$EXTERNALSYM KMOD_RALT} + KMOD_LMETA = $0400; +{$EXTERNALSYM KMOD_LMETA} + KMOD_RMETA = $0800; +{$EXTERNALSYM KMOD_RMETA} + KMOD_NUM = $1000; +{$EXTERNALSYM KMOD_NUM} + KMOD_CAPS = $2000; +{$EXTERNALSYM KMOD_CAPS} + KMOD_MODE = 44000; +{$EXTERNALSYM KMOD_MODE} + KMOD_RESERVED = $8000; +{$EXTERNALSYM KMOD_RESERVED} + + KMOD_CTRL = (KMOD_LCTRL or KMOD_RCTRL); +{$EXTERNALSYM KMOD_CTRL} + KMOD_SHIFT = (KMOD_LSHIFT or KMOD_RSHIFT); +{$EXTERNALSYM KMOD_SHIFT} + KMOD_ALT = (KMOD_LALT or KMOD_RALT); +{$EXTERNALSYM KMOD_ALT} + KMOD_META = (KMOD_LMETA or KMOD_RMETA); +{$EXTERNALSYM KMOD_META} + + //SDL_video.h constants + // Transparency definitions: These define alpha as the opacity of a surface */ + SDL_ALPHA_OPAQUE = 255; +{$EXTERNALSYM SDL_ALPHA_OPAQUE} + SDL_ALPHA_TRANSPARENT = 0; +{$EXTERNALSYM SDL_ALPHA_TRANSPARENT} + + // These are the currently supported flags for the SDL_surface + // Available for SDL_CreateRGBSurface() or SDL_SetVideoMode() + SDL_SWSURFACE = $00000000; // Surface is in system memory +{$EXTERNALSYM SDL_SWSURFACE} + SDL_HWSURFACE = $00000001; // Surface is in video memory +{$EXTERNALSYM SDL_HWSURFACE} + SDL_ASYNCBLIT = $00000004; // Use asynchronous blits if possible +{$EXTERNALSYM SDL_ASYNCBLIT} + // Available for SDL_SetVideoMode() + SDL_ANYFORMAT = $10000000; // Allow any video depth/pixel-format +{$EXTERNALSYM SDL_ANYFORMAT} + SDL_HWPALETTE = $20000000; // Surface has exclusive palette +{$EXTERNALSYM SDL_HWPALETTE} + SDL_DOUBLEBUF = $40000000; // Set up double-buffered video mode +{$EXTERNALSYM SDL_DOUBLEBUF} + SDL_FULLSCREEN = $80000000; // Surface is a full screen display +{$EXTERNALSYM SDL_FULLSCREEN} + SDL_OPENGL = $00000002; // Create an OpenGL rendering context +{$EXTERNALSYM SDL_OPENGL} + SDL_OPENGLBLIT = $00000002; // Create an OpenGL rendering context +{$EXTERNALSYM SDL_OPENGLBLIT} + SDL_RESIZABLE = $00000010; // This video mode may be resized +{$EXTERNALSYM SDL_RESIZABLE} + SDL_NOFRAME = $00000020; // No window caption or edge frame +{$EXTERNALSYM SDL_NOFRAME} + // Used internally (read-only) + SDL_HWACCEL = $00000100; // Blit uses hardware acceleration +{$EXTERNALSYM SDL_HWACCEL} + SDL_SRCCOLORKEY = $00001000; // Blit uses a source color key +{$EXTERNALSYM SDL_SRCCOLORKEY} + SDL_RLEACCELOK = $00002000; // Private flag +{$EXTERNALSYM SDL_RLEACCELOK} + SDL_RLEACCEL = $00004000; // Colorkey blit is RLE accelerated +{$EXTERNALSYM SDL_RLEACCEL} + SDL_SRCALPHA = $00010000; // Blit uses source alpha blending +{$EXTERNALSYM SDL_SRCALPHA} + SDL_SRCCLIPPING = $00100000; // Blit uses source clipping +{$EXTERNALSYM SDL_SRCCLIPPING} + SDL_PREALLOC = $01000000; // Surface uses preallocated memory +{$EXTERNALSYM SDL_PREALLOC} + + { The most common video overlay formats. + For an explanation of these pixel formats, see: + http://www.webartz.com/fourcc/indexyuv.htm + + For information on the relationship between color spaces, see: + http://www.neuro.sfc.keio.ac.jp/~aly/polygon/info/color-space-faq.html } + + SDL_YV12_OVERLAY = $32315659; // Planar mode: Y + V + U (3 planes) +{$EXTERNALSYM SDL_YV12_OVERLAY} + SDL_IYUV_OVERLAY = $56555949; // Planar mode: Y + U + V (3 planes) +{$EXTERNALSYM SDL_IYUV_OVERLAY} + SDL_YUY2_OVERLAY = $32595559; // Packed mode: Y0+U0+Y1+V0 (1 plane) +{$EXTERNALSYM SDL_YUY2_OVERLAY} + SDL_UYVY_OVERLAY = $59565955; // Packed mode: U0+Y0+V0+Y1 (1 plane) +{$EXTERNALSYM SDL_UYVY_OVERLAY} + SDL_YVYU_OVERLAY = $55595659; // Packed mode: Y0+V0+Y1+U0 (1 plane) +{$EXTERNALSYM SDL_YVYU_OVERLAY} + + // flags for SDL_SetPalette() + SDL_LOGPAL = $01; +{$EXTERNALSYM SDL_LOGPAL} + SDL_PHYSPAL = $02; +{$EXTERNALSYM SDL_PHYSPAL} + + //SDL_mouse.h constants + { Used as a mask when testing buttons in buttonstate + Button 1: Left mouse button + Button 2: Middle mouse button + Button 3: Right mouse button + Button 4: Mouse Wheel Up (may also be a real button) + Button 5: Mouse Wheel Down (may also be a real button) + Button 6: Mouse X1 (may also be a real button) + Button 7: Mouse X2 (may also be a real button) + } + SDL_BUTTON_LEFT = 1; +{$EXTERNALSYM SDL_BUTTON_LEFT} + SDL_BUTTON_MIDDLE = 2; +{$EXTERNALSYM SDL_BUTTON_MIDDLE} + SDL_BUTTON_RIGHT = 3; +{$EXTERNALSYM SDL_BUTTON_RIGHT} + SDL_BUTTON_WHEELUP = 4; +{$EXTERNALSYM SDL_BUTTON_WHEELUP} + SDL_BUTTON_WHEELDOWN = 5; +{$EXTERNALSYM SDL_BUTTON_WHEELDOWN} + SDL_BUTTON_X1 = 6; +{$EXTERNALSYM SDL_BUTTON_X1} + SDL_BUTTON_X2 = 7; +{$EXTERNALSYM SDL_BUTTON_X2} + + SDL_BUTTON_LMASK = SDL_PRESSED shl (SDL_BUTTON_LEFT - 1); +{$EXTERNALSYM SDL_BUTTON_LMASK} + SDL_BUTTON_MMASK = SDL_PRESSED shl (SDL_BUTTON_MIDDLE - 1); +{$EXTERNALSYM SDL_BUTTON_MMASK} + SDL_BUTTON_RMASK = SDL_PRESSED shl (SDL_BUTTON_RIGHT - 1); +{$EXTERNALSYM SDL_BUTTON_RMASK} + SDL_BUTTON_X1MASK = SDL_PRESSED shl (SDL_BUTTON_X1 - 1); +{$EXTERNALSYM SDL_BUTTON_X1MASK} + SDL_BUTTON_X2MASK = SDL_PRESSED shl (SDL_BUTTON_X2 - 1); +{$EXTERNALSYM SDL_BUTTON_X2MASK} + + // SDL_active.h constants + // The available application states + SDL_APPMOUSEFOCUS = $01; // The app has mouse coverage +{$EXTERNALSYM SDL_APPMOUSEFOCUS} + SDL_APPINPUTFOCUS = $02; // The app has input focus +{$EXTERNALSYM SDL_APPINPUTFOCUS} + SDL_APPACTIVE = $04; // The application is active +{$EXTERNALSYM SDL_APPACTIVE} + + // SDL_mutex.h constants + // Synchronization functions which can time out return this value + // they time out. + + SDL_MUTEX_TIMEDOUT = 1; +{$EXTERNALSYM SDL_MUTEX_TIMEDOUT} + + // This is the timeout value which corresponds to never time out + SDL_MUTEX_MAXWAIT = not Cardinal(0); +{$EXTERNALSYM SDL_MUTEX_MAXWAIT} + + {TSDL_GrabMode = ( + SDL_GRAB_QUERY, + SDL_GRAB_OFF, + SDL_GRAB_ON, + SDL_GRAB_FULLSCREEN ); // Used internally} + SDL_GRAB_QUERY = -1; + SDL_GRAB_OFF = 0; + SDL_GRAB_ON = 1; + //SDL_GRAB_FULLSCREEN // Used internally + +type + THandle = Cardinal; + //SDL_types.h types + // Basic data types + + SDL_Bool = (SDL_FALSE, SDL_TRUE); + TSDL_Bool = SDL_Bool; + + PUInt8Array = ^TUInt8Array; + PUInt8 = ^UInt8; + PPUInt8 = ^PUInt8; + UInt8 = Byte; +{$EXTERNALSYM UInt8} + TUInt8Array = array [0..MAXINT shr 1] of UInt8; + + PUInt16 = ^UInt16; + UInt16 = word; +{$EXTERNALSYM UInt16} + + PSInt8 = ^SInt8; + SInt8 = Shortint; +{$EXTERNALSYM SInt8} + + PSInt16 = ^SInt16; + SInt16 = smallint; +{$EXTERNALSYM SInt16} + + PUInt32 = ^UInt32; + UInt32 = Cardinal; +{$EXTERNALSYM UInt32} + + SInt32 = Integer; +{$EXTERNALSYM SInt32} + + PInt = ^Integer; + + PShortInt = ^ShortInt; + + PUInt64 = ^UInt64; + UInt64 = record + hi: UInt32; + lo: UInt32; + end; +{$EXTERNALSYM UInt64} + + PSInt64 = ^SInt64; + SInt64 = record + hi: UInt32; + lo: UInt32; + end; +{$EXTERNALSYM SInt64} + + TSDL_GrabMode = Integer; + + // SDL_error.h types + TSDL_errorcode = ( + SDL_ENOMEM, + SDL_EFREAD, + SDL_EFWRITE, + SDL_EFSEEK, + SDL_LASTERROR); + + SDL_errorcode = TSDL_errorcode; +{$EXTERNALSYM SDL_errorcode} + + TArg = record + case Byte of + 0: (value_ptr: Pointer); + (* #if 0 means: never + 1 : ( value_c : Byte ); + *) + 2: (value_i: Integer); + 3: (value_f: double); + 4: (buf: array[0..ERR_MAX_STRLEN - 1] of Byte); + end; + + PSDL_error = ^TSDL_error; + TSDL_error = record + { This is a numeric value corresponding to the current error } + error: Integer; + + { This is a key used to index into a language hashtable containing + internationalized versions of the SDL error messages. If the key + is not in the hashtable, or no hashtable is available, the key is + used directly as an error message format string. } + key: array[0..ERR_MAX_STRLEN - 1] of Byte; + + { These are the arguments for the error functions } + argc: Integer; + args: array[0..ERR_MAX_ARGS - 1] of TArg; + end; + + // SDL_rwops.h types + // This is the read/write operation structure -- very basic + // some helper types to handle the unions + // "packed" is only guessed + + TStdio = record + autoclose: Integer; + // FILE * is only defined in Kylix so we use a simple Pointer + fp: Pointer; + end; + + TMem = record + base: PUInt8; + here: PUInt8; + stop: PUInt8; + end; + + TUnknown = record + data1: Pointer; + end; + + // first declare the pointer type + PSDL_RWops = ^TSDL_RWops; + // now the pointer to function types + {$IFNDEF __GPC__} + TSeek = function( context: PSDL_RWops; offset: Integer; whence: Integer ): Integer; cdecl; + TRead = function( context: PSDL_RWops; Ptr: Pointer; size: Integer; maxnum : Integer ): Integer; cdecl; + TWrite = function( context: PSDL_RWops; Ptr: Pointer; size: Integer; num: Integer ): Integer; cdecl; + TClose = function( context: PSDL_RWops ): Integer; cdecl; + {$ELSE} + TSeek = function( context: PSDL_RWops; offset: Integer; whence: Integer ): Integer; + TRead = function( context: PSDL_RWops; Ptr: Pointer; size: Integer; maxnum : Integer ): Integer; + TWrite = function( context: PSDL_RWops; Ptr: Pointer; size: Integer; num: Integer ): Integer; + TClose = function( context: PSDL_RWops ): Integer; + {$ENDIF} + // the variant record itself + TSDL_RWops = record + seek: TSeek; + read: TRead; + write: TWrite; + close: TClose; + // a keyword as name is not allowed + type_: UInt32; + // be warned! structure alignment may arise at this point + case Integer of + 0: (stdio: TStdio); + 1: (mem: TMem); + 2: (unknown: TUnknown); + end; + + SDL_RWops = TSDL_RWops; +{$EXTERNALSYM SDL_RWops} + + + // SDL_timer.h types + // Function prototype for the timer callback function + {$IFNDEF __GPC__} + TSDL_TimerCallback = function( interval: UInt32 ): UInt32; cdecl; + {$ELSE} + TSDL_TimerCallback = function( interval: UInt32 ): UInt32; + {$ENDIF} + + { New timer API, supports multiple timers + Written by Stephane Peter <megastep@lokigames.com> } + + { Function prototype for the new timer callback function. + The callback function is passed the current timer interval and returns + the next timer interval. If the returned value is the same as the one + passed in, the periodic alarm continues, otherwise a new alarm is + scheduled. If the callback returns 0, the periodic alarm is cancelled. } + {$IFNDEF __GPC__} + TSDL_NewTimerCallback = function( interval: UInt32; param: Pointer ): UInt32; cdecl; + {$ELSE} + TSDL_NewTimerCallback = function( interval: UInt32; param: Pointer ): UInt32; + {$ENDIF} + + // Definition of the timer ID type + PSDL_TimerID = ^TSDL_TimerID; + TSDL_TimerID = record + interval: UInt32; + callback: TSDL_NewTimerCallback; + param: Pointer; + last_alarm: UInt32; + next: PSDL_TimerID; + end; + + {$IFNDEF __GPC__} + TSDL_AudioSpecCallback = procedure( userdata: Pointer; stream: PUInt8; len: Integer ); cdecl; + {$ELSE} + TSDL_AudioSpecCallback = procedure( userdata: Pointer; stream: PUInt8; len: Integer ); + {$ENDIF} + + // SDL_audio.h types + // The calculated values in this structure are calculated by SDL_OpenAudio() + PSDL_AudioSpec = ^TSDL_AudioSpec; + TSDL_AudioSpec = record + freq: Integer; // DSP frequency -- samples per second + format: UInt16; // Audio data format + channels: UInt8; // Number of channels: 1 mono, 2 stereo + silence: UInt8; // Audio buffer silence value (calculated) + samples: UInt16; // Audio buffer size in samples + padding: UInt16; // Necessary for some compile environments + size: UInt32; // Audio buffer size in bytes (calculated) + { This function is called when the audio device needs more data. + 'stream' is a pointer to the audio data buffer + 'len' is the length of that buffer in bytes. + Once the callback returns, the buffer will no longer be valid. + Stereo samples are stored in a LRLRLR ordering.} + callback: TSDL_AudioSpecCallback; + userdata: Pointer; + end; + + // A structure to hold a set of audio conversion filters and buffers + PSDL_AudioCVT = ^TSDL_AudioCVT; + + PSDL_AudioCVTFilter = ^TSDL_AudioCVTFilter; + TSDL_AudioCVTFilter = record + cvt: PSDL_AudioCVT; + format: UInt16; + end; + + PSDL_AudioCVTFilterArray = ^TSDL_AudioCVTFilterArray; + TSDL_AudioCVTFilterArray = array[0..9] of PSDL_AudioCVTFilter; + + TSDL_AudioCVT = record + needed: Integer; // Set to 1 if conversion possible + src_format: UInt16; // Source audio format + dst_format: UInt16; // Target audio format + rate_incr: double; // Rate conversion increment + buf: PUInt8; // Buffer to hold entire audio data + len: Integer; // Length of original audio buffer + len_cvt: Integer; // Length of converted audio buffer + len_mult: Integer; // buffer must be len*len_mult big + len_ratio: double; // Given len, final size is len*len_ratio + filters: TSDL_AudioCVTFilterArray; + filter_index: Integer; // Current audio conversion function + end; + + TSDL_Audiostatus = ( + SDL_AUDIO_STOPPED, + SDL_AUDIO_PLAYING, + SDL_AUDIO_PAUSED + ); + + // SDL_cdrom.h types + TSDL_CDStatus = ( + CD_ERROR, + CD_TRAYEMPTY, + CD_STOPPED, + CD_PLAYING, + CD_PAUSED ); + + PSDL_CDTrack = ^TSDL_CDTrack; + TSDL_CDTrack = record + id: UInt8; // Track number + type_: UInt8; // Data or audio track + unused: UInt16; + length: UInt32; // Length, in frames, of this track + offset: UInt32; // Offset, in frames, from start of disk + end; + + // This structure is only current as of the last call to SDL_CDStatus() + PSDL_CD = ^TSDL_CD; + TSDL_CD = record + id: Integer; // Private drive identifier + status: TSDL_CDStatus; // Current drive status + + // The rest of this structure is only valid if there's a CD in drive + numtracks: Integer; // Number of tracks on disk + cur_track: Integer; // Current track position + cur_frame: Integer; // Current frame offset within current track + track: array[0..SDL_MAX_TRACKS] of TSDL_CDTrack; + end; + + //SDL_joystick.h types + PTransAxis = ^TTransAxis; + TTransAxis = record + offset: Integer; + scale: single; + end; + + // The private structure used to keep track of a joystick + PJoystick_hwdata = ^TJoystick_hwdata; + TJoystick_hwdata = record + // joystick ID + id: Integer; + // values used to translate device-specific coordinates into SDL-standard ranges + transaxis: array[0..5] of TTransAxis; + end; + + PBallDelta = ^TBallDelta; + TBallDelta = record + dx: Integer; + dy: Integer; + end; // Current ball motion deltas + + // The SDL joystick structure + PSDL_Joystick = ^TSDL_Joystick; + TSDL_Joystick = record + index: UInt8; // Device index + name: PChar; // Joystick name - system dependent + + naxes: Integer; // Number of axis controls on the joystick + axes: PUInt16; // Current axis states + + nhats: Integer; // Number of hats on the joystick + hats: PUInt8; // Current hat states + + nballs: Integer; // Number of trackballs on the joystick + balls: PBallDelta; // Current ball motion deltas + + nbuttons: Integer; // Number of buttons on the joystick + buttons: PUInt8; // Current button states + + hwdata: PJoystick_hwdata; // Driver dependent information + + ref_count: Integer; // Reference count for multiple opens + end; + + // SDL_verion.h types + PSDL_version = ^TSDL_version; + TSDL_version = record + major: UInt8; + minor: UInt8; + patch: UInt8; + end; + + // SDL_keyboard.h types + TSDLKey = LongWord; + + TSDLMod = LongWord; + + PSDL_KeySym = ^TSDL_KeySym; + TSDL_KeySym = record + scancode: UInt8; // hardware specific scancode + sym: TSDLKey; // SDL virtual keysym + modifier: TSDLMod; // current key modifiers + unicode: UInt16; // translated character + end; + + // SDL_events.h types + {Checks the event queue for messages and optionally returns them. + If 'action' is SDL_ADDEVENT, up to 'numevents' events will be added to + the back of the event queue. + If 'action' is SDL_PEEKEVENT, up to 'numevents' events at the front + of the event queue, matching 'mask', will be returned and will not + be removed from the queue. + If 'action' is SDL_GETEVENT, up to 'numevents' events at the front + of the event queue, matching 'mask', will be returned and will be + removed from the queue. + This function returns the number of events actually stored, or -1 + if there was an error. This function is thread-safe. } + + TSDL_EventAction = (SDL_ADDEVENT, SDL_PEEKEVENT, SDL_GETEVENT); + + // Application visibility event structure + TSDL_ActiveEvent = record + type_: UInt8; // SDL_ACTIVEEVENT + gain: UInt8; // Whether given states were gained or lost (1/0) + state: UInt8; // A mask of the focus states + end; + + // Keyboard event structure + TSDL_KeyboardEvent = record + type_: UInt8; // SDL_KEYDOWN or SDL_KEYUP + which: UInt8; // The keyboard device index + state: UInt8; // SDL_PRESSED or SDL_RELEASED + keysym: TSDL_KeySym; + end; + + // Mouse motion event structure + TSDL_MouseMotionEvent = record + type_: UInt8; // SDL_MOUSEMOTION + which: UInt8; // The mouse device index + state: UInt8; // The current button state + x, y: UInt16; // The X/Y coordinates of the mouse + xrel: SInt16; // The relative motion in the X direction + yrel: SInt16; // The relative motion in the Y direction + end; + + // Mouse button event structure + TSDL_MouseButtonEvent = record + type_: UInt8; // SDL_MOUSEBUTTONDOWN or SDL_MOUSEBUTTONUP + which: UInt8; // The mouse device index + button: UInt8; // The mouse button index + state: UInt8; // SDL_PRESSED or SDL_RELEASED + x: UInt16; // The X coordinates of the mouse at press time + y: UInt16; // The Y coordinates of the mouse at press time + end; + + // Joystick axis motion event structure + TSDL_JoyAxisEvent = record + type_: UInt8; // SDL_JOYAXISMOTION + which: UInt8; // The joystick device index + axis: UInt8; // The joystick axis index + value: SInt16; // The axis value (range: -32768 to 32767) + end; + + // Joystick trackball motion event structure + TSDL_JoyBallEvent = record + type_: UInt8; // SDL_JOYAVBALLMOTION + which: UInt8; // The joystick device index + ball: UInt8; // The joystick trackball index + xrel: SInt16; // The relative motion in the X direction + yrel: SInt16; // The relative motion in the Y direction + end; + + // Joystick hat position change event structure + TSDL_JoyHatEvent = record + type_: UInt8; // SDL_JOYHATMOTION */ + which: UInt8; // The joystick device index */ + hat: UInt8; // The joystick hat index */ + value: UInt8; { The hat position value: + 8 1 2 + 7 0 3 + 6 5 4 + + Note that zero means the POV is centered. } + + end; + + // Joystick button event structure + TSDL_JoyButtonEvent = record + type_: UInt8; // SDL_JOYBUTTONDOWN or SDL_JOYBUTTONUP + which: UInt8; // The joystick device index + button: UInt8; // The joystick button index + state: UInt8; // SDL_PRESSED or SDL_RELEASED + end; + + { The "window resized" event + When you get this event, you are responsible for setting a new video + mode with the new width and height. } + TSDL_ResizeEvent = record + type_: UInt8; // SDL_VIDEORESIZE + w: Integer; // New width + h: Integer; // New height + end; + + // The "quit requested" event + PSDL_QuitEvent = ^TSDL_QuitEvent; + TSDL_QuitEvent = record + type_: UInt8; + end; + + // A user-defined event type + PSDL_UserEvent = ^TSDL_UserEvent; + TSDL_UserEvent = record + type_: UInt8; // SDL_USEREVENT through SDL_NUMEVENTS-1 + code: Integer; // User defined event code */ + data1: Pointer; // User defined data pointer */ + data2: Pointer; // User defined data pointer */ + end; + + // The "screen redraw" event + PSDL_ExposeEvent = ^TSDL_ExposeEvent; + TSDL_ExposeEvent = record + type_ : Uint8; // SDL_VIDEOEXPOSE + end; + + {$IFDEF Unix} + //These are the various supported subsystems under UNIX + TSDL_SysWm = ( SDL_SYSWM_X11 ) ; + {$ENDIF} + +// The windows custom event structure +{$IFDEF WINDOWS} + PSDL_SysWMmsg = ^TSDL_SysWMmsg; + TSDL_SysWMmsg = record + version: TSDL_version; + h_wnd: HWND; // The window for the message + msg: UInt; // The type of message + w_Param: WPARAM; // WORD message parameter + lParam: LPARAM; // LONG message parameter + end; +{$ELSE} + +{$IFDEF Unix} +{ The Linux custom event structure } + PSDL_SysWMmsg = ^TSDL_SysWMmsg; + TSDL_SysWMmsg = record + version : TSDL_version; + subsystem : TSDL_SysWm; + {$IFDEF FPC} + {$IFNDEF GP2X} + {$IFNDEF DARWIN} + {$IFNDEF SKYOS} + event : TXEvent; + {$ENDIF} + {$ENDIF} + {$ENDIF} + {$ELSE} + event : XEvent; + {$ENDIF} + end; +{$ELSE} +{ The generic custom event structure } + PSDL_SysWMmsg = ^TSDL_SysWMmsg; + TSDL_SysWMmsg = record + version: TSDL_version; + data: Integer; + end; +{$ENDIF} + +{$ENDIF} + +// The Windows custom window manager information structure +{$IFDEF WINDOWS} + PSDL_SysWMinfo = ^TSDL_SysWMinfo; + TSDL_SysWMinfo = record + version : TSDL_version; + window : HWnd; // The display window + end; +{$ELSE} + +// The Linux custom window manager information structure +{$IFDEF Unix} + {$IFNDEF GP2X} + {$IFNDEF DARWIN} + {$IFNDEF SKYOS} + TX11 = record + display : PDisplay; // The X11 display + window : TWindow ; // The X11 display window */ + {* These locking functions should be called around + any X11 functions using the display variable. + They lock the event thread, so should not be + called around event functions or from event filters. + *} + lock_func : Pointer; + unlock_func : Pointer; + + // Introduced in SDL 1.0.2 + fswindow : TWindow ; // The X11 fullscreen window */ + wmwindow : TWindow ; // The X11 managed input window */ + end; + {$ENDIF} + {$ENDIF} + {$ENDIF} + + PSDL_SysWMinfo = ^TSDL_SysWMinfo; + TSDL_SysWMinfo = record + version : TSDL_version ; + subsystem : TSDL_SysWm; + {$IFNDEF GP2X} + {$IFNDEF DARWIN} + {$IFNDEF SKYOS} + X11 : TX11; + {$ENDIF} + {$ENDIF} + {$ENDIF} + end; +{$ELSE} + // The generic custom window manager information structure + PSDL_SysWMinfo = ^TSDL_SysWMinfo; + TSDL_SysWMinfo = record + version : TSDL_version ; + data : integer; + end; +{$ENDIF} + +{$ENDIF} + + PSDL_SysWMEvent = ^TSDL_SysWMEvent; + TSDL_SysWMEvent = record + type_: UInt8; + msg: PSDL_SysWMmsg; + end; + + PSDL_Event = ^TSDL_Event; + TSDL_Event = record + case UInt8 of + SDL_NOEVENT: (type_: byte); + SDL_ACTIVEEVENT: (active: TSDL_ActiveEvent); + SDL_KEYDOWN, SDL_KEYUP: (key: TSDL_KeyboardEvent); + SDL_MOUSEMOTION: (motion: TSDL_MouseMotionEvent); + SDL_MOUSEBUTTONDOWN, SDL_MOUSEBUTTONUP: (button: TSDL_MouseButtonEvent ); + SDL_JOYAXISMOTION: (jaxis: TSDL_JoyAxisEvent ); + SDL_JOYBALLMOTION: (jball: TSDL_JoyBallEvent ); + SDL_JOYHATMOTION: (jhat: TSDL_JoyHatEvent ); + SDL_JOYBUTTONDOWN, SDL_JOYBUTTONUP: (jbutton: TSDL_JoyButtonEvent ); + SDL_VIDEORESIZE: (resize: TSDL_ResizeEvent ); + SDL_QUITEV: (quit: TSDL_QuitEvent ); + SDL_USEREVENT : ( user : TSDL_UserEvent ); + SDL_SYSWMEVENT: (syswm: TSDL_SysWMEvent ); + end; + + +{ This function sets up a filter to process all events before they + change internal state and are posted to the internal event queue. + + The filter is protypted as: } + {$IFNDEF __GPC__} + TSDL_EventFilter = function( event : PSDL_Event ): Integer; cdecl; + {$ELSE} + TSDL_EventFilter = function( event : PSDL_Event ): Integer; + {$ENDIF} + + // SDL_video.h types + // Useful data types + PPSDL_Rect = ^PSDL_Rect; + PSDL_Rect = ^TSDL_Rect; + TSDL_Rect = record + x, y: SInt16; + w, h: UInt16; + end; + + SDL_Rect = TSDL_Rect; +{$EXTERNALSYM SDL_Rect} + + PSDL_Color = ^TSDL_Color; + TSDL_Color = record + r: UInt8; + g: UInt8; + b: UInt8; + unused: UInt8; + end; + + PSDL_ColorArray = ^TSDL_ColorArray; + TSDL_ColorArray = array[0..65000] of TSDL_Color; + + PSDL_Palette = ^TSDL_Palette; + TSDL_Palette = record + ncolors: Integer; + colors: PSDL_ColorArray; + end; + + // Everything in the pixel format structure is read-only + PSDL_PixelFormat = ^TSDL_PixelFormat; + TSDL_PixelFormat = record + palette: PSDL_Palette; + BitsPerPixel: UInt8; + BytesPerPixel: UInt8; + Rloss: UInt8; + Gloss: UInt8; + Bloss: UInt8; + Aloss: UInt8; + Rshift: UInt8; + Gshift: UInt8; + Bshift: UInt8; + Ashift: UInt8; + RMask: UInt32; + GMask: UInt32; + BMask: UInt32; + AMask: UInt32; + colorkey: UInt32; // RGB color key information + alpha: UInt8; // Alpha value information (per-surface alpha) + end; + +{$IFDEF WINDOWS} + {PPrivate_hwdata = ^TPrivate_hwdata; + TPrivate_hwdata = record + dd_surface : IDIRECTDRAWSURFACE3; + dd_writebuf : IDIRECTDRAWSURFACE3; + end;} + {ELSE} +{$ENDIF} + + // The structure passed to the low level blit functions + PSDL_BlitInfo = ^TSDL_BlitInfo; + TSDL_BlitInfo = record + s_pixels: PUInt8; + s_width: Integer; + s_height: Integer; + s_skip: Integer; + d_pixels: PUInt8; + d_width: Integer; + d_height: Integer; + d_skip: Integer; + aux_data: Pointer; + src: PSDL_PixelFormat; + table: PUInt8; + dst: PSDL_PixelFormat; + end; + + // typedef for private surface blitting functions + PSDL_Surface = ^TSDL_Surface; + + {$IFNDEF __GPC__} + TSDL_Blit = function( src: PSDL_Surface; srcrect: PSDL_Rect; dst: PSDL_Surface; dstrect: PSDL_Rect ): Integer; cdecl; + {$ELSE} + TSDL_Blit = function( src: PSDL_Surface; srcrect: PSDL_Rect; dst: PSDL_Surface; dstrect: PSDL_Rect ): Integer; + {$ENDIF} + + // The type definition for the low level blit functions + //TSDL_LoBlit = procedure( info : PSDL_BlitInfo ); cdecl; + + // This is the private info structure for software accelerated blits + {PPrivate_swaccel = ^TPrivate_swaccel; + TPrivate_swaccel = record + blit : TSDL_LoBlit; + aux_data : Pointer; + end;} + + // Blit mapping definition + {PSDL_BlitMap = ^TSDL_BlitMap; + TSDL_BlitMap = record + dst : PSDL_Surface; + identity : Integer; + table : PUInt8; + hw_blit : TSDL_Blit; + sw_blit : TSDL_Blit; + hw_data : PPrivate_hwaccel; + sw_data : PPrivate_swaccel; + + // the version count matches the destination; mismatch indicates an invalid mapping + format_version : Cardinal; + end;} + + TSDL_Surface = record + flags: UInt32; // Read-only + format: PSDL_PixelFormat; // Read-only + w, h: Integer; // Read-only + pitch: UInt16; // Read-only + pixels: Pointer; // Read-write + offset: Integer; // Private + hwdata: Pointer; //TPrivate_hwdata; Hardware-specific surface info + + // clipping information: + clip_rect: TSDL_Rect; // Read-only + unused1: UInt32; // for binary compatibility + // Allow recursive locks + locked: UInt32; // Private + // info for fast blit mapping to other surfaces + Blitmap: Pointer; // PSDL_BlitMap; // Private + // format version, bumped at every change to invalidate blit maps + format_version: Cardinal; // Private + refcount: Integer; + end; + + // Useful for determining the video hardware capabilities + PSDL_VideoInfo = ^TSDL_VideoInfo; + TSDL_VideoInfo = record + hw_available: UInt8; // Hardware and WindowManager flags in first 2 bits ( see below ) + {hw_available: 1; // Can you create hardware surfaces + wm_available: 1; // Can you talk to a window manager? + UnusedBits1: 6;} + blit_hw: UInt8; // Blit Hardware flags. See below for which bits do what + {UnusedBits2: 1; + blit_hw: 1; // Flag:UInt32 Accelerated blits HW --> HW + blit_hw_CC: 1; // Flag:UInt32 Accelerated blits with Colorkey + blit_hw_A: 1; // Flag:UInt32 Accelerated blits with Alpha + blit_sw: 1; // Flag:UInt32 Accelerated blits SW --> HW + blit_sw_CC: 1; // Flag:UInt32 Accelerated blits with Colorkey + blit_sw_A: 1; // Flag:UInt32 Accelerated blits with Alpha + blit_fill: 1; // Flag:UInt32 Accelerated color fill} + UnusedBits3: UInt8; // Unused at this point + video_mem: UInt32; // The total amount of video memory (in K) + vfmt: PSDL_PixelFormat; // Value: The format of the video surface + current_w : SInt32; // Value: The current video mode width + current_h : SInt32; // Value: The current video mode height + end; + + // The YUV hardware video overlay + PSDL_Overlay = ^TSDL_Overlay; + TSDL_Overlay = record + format: UInt32; // Overlay format + w, h: Integer; // Width and height of overlay + planes: Integer; // Number of planes in the overlay. Usually either 1 or 3 + pitches: PUInt16; + // An array of pitches, one for each plane. Pitch is the length of a row in bytes. + pixels: PPUInt8; + // An array of pointers to the data of each plane. The overlay should be locked before these pointers are used. + hw_overlay: UInt32; + // This will be set to 1 if the overlay is hardware accelerated. + end; + + // Public enumeration for setting the OpenGL window attributes. + TSDL_GLAttr = ( + SDL_GL_RED_SIZE, + SDL_GL_GREEN_SIZE, + SDL_GL_BLUE_SIZE, + SDL_GL_ALPHA_SIZE, + SDL_GL_BUFFER_SIZE, + SDL_GL_DOUBLEBUFFER, + SDL_GL_DEPTH_SIZE, + SDL_GL_STENCIL_SIZE, + SDL_GL_ACCUM_RED_SIZE, + SDL_GL_ACCUM_GREEN_SIZE, + SDL_GL_ACCUM_BLUE_SIZE, + SDL_GL_ACCUM_ALPHA_SIZE, + SDL_GL_STEREO, + SDL_GL_MULTISAMPLEBUFFERS, + SDL_GL_MULTISAMPLESAMPLES, + SDL_GL_ACCELERATED_VISUAL, + SDL_GL_SWAP_CONTROL); + + + + PSDL_Cursor = ^TSDL_Cursor; + TSDL_Cursor = record + area: TSDL_Rect; // The area of the mouse cursor + hot_x, hot_y: SInt16; // The "tip" of the cursor + data: PUInt8; // B/W cursor data + mask: PUInt8; // B/W cursor mask + save: array[1..2] of PUInt8; // Place to save cursor area + wm_cursor: Pointer; // Window-manager cursor + end; + +// SDL_mutex.h types + +{$IFDEF WINDOWS} + PSDL_Mutex = ^TSDL_Mutex; + TSDL_Mutex = record + id: THANDLE; + end; +{$ENDIF} + +{$IFDEF Unix} + PSDL_Mutex = ^TSDL_Mutex; + TSDL_mutex = record + id: pthread_mutex_t; +{$IFDEF PTHREAD_NO_RECURSIVE_MUTEX} + recursive: Integer; + owner: pthread_t; +{$ENDIF} + end; +{$ENDIF} + +{$IFDEF NDS} + PSDL_mutex = ^TSDL_Mutex; + TSDL_Mutex = record + recursive: Integer; + Owner: UInt32; + sem: PSDL_sem; + end; +{$ENDIF} + +{$IFDEF __MACH__} + {$define USE_NAMED_SEMAPHORES} + // Broken sem_getvalue() in MacOS X Public Beta */ + {$define BROKEN_SEMGETVALUE} +{$ENDIF} + +PSDL_semaphore = ^TSDL_semaphore; +{$IFDEF WINDOWS} + // WINDOWS or Machintosh + TSDL_semaphore = record + id: THANDLE; + count: UInt32; + end; +{$ELSE} + {$IFDEF FPC} + // This should be semaphore.h + __sem_lock_t = {packed} record { Not in header file - anonymous } + status: Longint; + spinlock: Integer; + end; + + sem_t = {packed} record + __sem_lock: __sem_lock_t; + __sem_value: Integer; + __sem_waiting: longint ; {_pthread_queue;} + end; + {$ENDIF} + + TSDL_semaphore = record + sem: Pointer; //PSem_t; + {$IFNDEF USE_NAMED_SEMAPHORES} + sem_data: Sem_t; + {$ENDIF} + + {$IFDEF BROKEN_SEMGETVALUE} + { This is a little hack for MacOS X - + It's not thread-safe, but it's better than nothing } + sem_value: Integer; + {$ENDIF} + end; +{$ENDIF} + + PSDL_Sem = ^TSDL_Sem; + TSDL_Sem = TSDL_Semaphore; + + PSDL_Cond = ^TSDL_Cond; + TSDL_Cond = record +{$IFDEF Unix} + cond: pthread_cond_t; +{$ELSE} + // Generic Cond structure + lock: PSDL_mutex; + waiting: Integer; + signals: Integer; + wait_sem: PSDL_Sem; + wait_done: PSDL_Sem; +{$ENDIF} + end; + + // SDL_thread.h types +{$IFDEF WINDOWS} + TSYS_ThreadHandle = THandle; +{$ENDIF} + +{$IFDEF Unix} + TSYS_ThreadHandle = pthread_t; +{$ENDIF} + +{$IFDEF NDS} + TSYS_ThreadHandle = Integer; +{$ENDIF} + + { This is the system-independent thread info structure } + PSDL_Thread = ^TSDL_Thread; + TSDL_Thread = record + threadid: UInt32; + handle: TSYS_ThreadHandle; + status: Integer; + errbuf: TSDL_Error; + data: Pointer; + end; + + // Helper Types + + // Keyboard State Array ( See demos for how to use ) + PKeyStateArr = ^TKeyStateArr; + TKeyStateArr = array[0..65000] of UInt8; + + // Types required so we don't need to use Windows.pas + PInteger = ^Integer; + PByte = ^Byte; + PWord = ^Word; + PLongWord = ^Longword; + + // General arrays + PByteArray = ^TByteArray; + TByteArray = array[0..32767] of Byte; + + PWordArray = ^TWordArray; + TWordArray = array[0..16383] of Word; + + PPoint = ^TPoint; + {$IFDEF HAS_TYPES} + TPoint = Types.TPoint; + {$ELSE} + {$IFDEF WINDOWS} + {$IFDEF __GPC__} + TPoint = wintypes.TPoint; + {$ELSE} + TPoint = Windows.TPoint; + {$ENDIF} + {$ELSE} + //Can't define TPoint : neither Types nor Windows unit available. + {$ENDIF} + {$ENDIF} + + PRect = ^TRect; + {$IFDEF HAS_TYPES} + TRect = Types.TRect; + {$ELSE} + {$IFDEF WINDOWS} + {$IFDEF __GPC__} + TRect = wintypes.TRect; + {$ELSE} + TRect = Windows.TRect; + {$ENDIF} + {$ELSE} + //Can't define TRect: neither Types nor Windows unit available. + {$ENDIF} + {$ENDIF} + + { Generic procedure pointer } + TProcedure = procedure; + +{------------------------------------------------------------------------------} +{ initialization } +{------------------------------------------------------------------------------} + +{ This function loads the SDL dynamically linked library and initializes + the subsystems specified by 'flags' (and those satisfying dependencies) + Unless the SDL_INIT_NOPARACHUTE flag is set, it will install cleanup + signal handlers for some commonly ignored fatal signals (like SIGSEGV) } + +function SDL_Init( flags : UInt32 ) : Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_Init'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_Init} + +// This function initializes specific SDL subsystems +function SDL_InitSubSystem( flags : UInt32 ) : Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_InitSubSystem'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_InitSubSystem} + +// This function cleans up specific SDL subsystems +procedure SDL_QuitSubSystem( flags : UInt32 ); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_QuitSubSystem'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_QuitSubSystem} + +{ This function returns mask of the specified subsystems which have + been initialized. + If 'flags' is 0, it returns a mask of all initialized subsystems. } + +function SDL_WasInit( flags : UInt32 ): UInt32; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_WasInit'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_WasInit} + +{ This function cleans up all initialized subsystems and unloads the + dynamically linked library. You should call it upon all exit conditions. } +procedure SDL_Quit; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_Quit'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_Quit} + +{$IFDEF WINDOWS} +// This should be called from your WinMain() function, if any +function SDL_RegisterApp(name: PChar; style: UInt32; h_Inst: Pointer): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_RegisterApp'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_RegisterApp} +{$ENDIF} + +{$IFDEF __MACH__} +// This should be called from your main() function, if any +procedure SDL_InitQuickDraw( the_qd: QDGlobals ); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_InitQuickDraw'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_InitQuickDraw} +{$ENDIF} + + +{------------------------------------------------------------------------------} +{ types } +{------------------------------------------------------------------------------} +// The number of elements in a table +function SDL_TableSize( table: PChar ): Integer; +{$EXTERNALSYM SDL_TABLESIZE} + + +{------------------------------------------------------------------------------} +{ error-handling } +{------------------------------------------------------------------------------} +// Public functions +function SDL_GetError: PChar; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetError'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetError} +procedure SDL_SetError(fmt: PChar); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SetError'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SetError} +procedure SDL_ClearError; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_ClearError'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_ClearError} + +{$IFNDEF WINDOWS} +procedure SDL_Error(Code: TSDL_errorcode); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_Error'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_Error} +{$ENDIF} + +// Private error message function - used internally +procedure SDL_OutOfMemory; + +{------------------------------------------------------------------------------} +{ io handling } +{------------------------------------------------------------------------------} +// Functions to create SDL_RWops structures from various data sources + +function SDL_RWFromFile(filename, mode: PChar): PSDL_RWops; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_RWFromFile'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_RWFromFile} +procedure SDL_FreeRW(area: PSDL_RWops); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_FreeRW'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_FreeRW} + +//fp is FILE *fp ??? +function SDL_RWFromFP(fp: Pointer; autoclose: Integer): PSDL_RWops; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_RWFromFP'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_RWFromFP} +function SDL_RWFromMem(mem: Pointer; size: Integer): PSDL_RWops; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_RWFromMem'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_RWFromMem} +function SDL_RWFromConstMem(const mem: Pointer; size: Integer) : PSDL_RWops; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_RWFromConstMem'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_RWFromConstMem} +function SDL_AllocRW: PSDL_RWops; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_AllocRW'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_AllocRW} + +function SDL_RWSeek(context: PSDL_RWops; offset: Integer; whence: Integer) : Integer; +{$EXTERNALSYM SDL_RWSeek} +function SDL_RWTell(context: PSDL_RWops): Integer; +{$EXTERNALSYM SDL_RWTell} +function SDL_RWRead(context: PSDL_RWops; ptr: Pointer; size: Integer; n : Integer): Integer; +{$EXTERNALSYM SDL_RWRead} +function SDL_RWWrite(context: PSDL_RWops; ptr: Pointer; size: Integer; n : Integer): Integer; +{$EXTERNALSYM SDL_RWWrite} +function SDL_RWClose(context: PSDL_RWops): Integer; +{$EXTERNALSYM SDL_RWClose} + +{------------------------------------------------------------------------------} +{ time-handling } +{------------------------------------------------------------------------------} + +{ Get the number of milliseconds since the SDL library initialization. } +{ Note that this value wraps if the program runs for more than ~49 days. } +function SDL_GetTicks: UInt32; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetTicks'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetTicks} + +// Wait a specified number of milliseconds before returning +procedure SDL_Delay(msec: UInt32); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_Delay'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_Delay} + +{ Add a new timer to the pool of timers already running. } +{ Returns a timer ID, or NULL when an error occurs. } +function SDL_AddTimer(interval: UInt32; callback: TSDL_NewTimerCallback; param : Pointer): PSDL_TimerID; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_AddTimer'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_AddTimer} + +{ Remove one of the multiple timers knowing its ID. } +{ Returns a boolean value indicating success. } +function SDL_RemoveTimer(t: PSDL_TimerID): TSDL_Bool; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_RemoveTimer'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_RemoveTimer} + +function SDL_SetTimer(interval: UInt32; callback: TSDL_TimerCallback): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SetTimer'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SetTimer} + +{------------------------------------------------------------------------------} +{ audio-routines } +{------------------------------------------------------------------------------} + +{ These functions are used internally, and should not be used unless you + have a specific need to specify the audio driver you want to use. + You should normally use SDL_Init() or SDL_InitSubSystem(). } + +function SDL_AudioInit(driver_name: PChar): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_AudioInit'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_AudioInit} +procedure SDL_AudioQuit; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_AudioQuit'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_AudioQuit} + +{ This function fills the given character buffer with the name of the + current audio driver, and returns a Pointer to it if the audio driver has + been initialized. It returns NULL if no driver has been initialized. } + +function SDL_AudioDriverName(namebuf: PChar; maxlen: Integer): PChar; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_AudioDriverName'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_AudioDriverName} + +{ This function opens the audio device with the desired parameters, and + returns 0 if successful, placing the actual hardware parameters in the + structure pointed to by 'obtained'. If 'obtained' is NULL, the audio + data passed to the callback function will be guaranteed to be in the + requested format, and will be automatically converted to the hardware + audio format if necessary. This function returns -1 if it failed + to open the audio device, or couldn't set up the audio thread. + + When filling in the desired audio spec structure, + 'desired->freq' should be the desired audio frequency in samples-per-second. + 'desired->format' should be the desired audio format. + 'desired->samples' is the desired size of the audio buffer, in samples. + This number should be a power of two, and may be adjusted by the audio + driver to a value more suitable for the hardware. Good values seem to + range between 512 and 8096 inclusive, depending on the application and + CPU speed. Smaller values yield faster response time, but can lead + to underflow if the application is doing heavy processing and cannot + fill the audio buffer in time. A stereo sample consists of both right + and left channels in LR ordering. + Note that the number of samples is directly related to time by the + following formula: ms = (samples*1000)/freq + 'desired->size' is the size in bytes of the audio buffer, and is + calculated by SDL_OpenAudio(). + 'desired->silence' is the value used to set the buffer to silence, + and is calculated by SDL_OpenAudio(). + 'desired->callback' should be set to a function that will be called + when the audio device is ready for more data. It is passed a pointer + to the audio buffer, and the length in bytes of the audio buffer. + This function usually runs in a separate thread, and so you should + protect data structures that it accesses by calling SDL_LockAudio() + and SDL_UnlockAudio() in your code. + 'desired->userdata' is passed as the first parameter to your callback + function. + + The audio device starts out playing silence when it's opened, and should + be enabled for playing by calling SDL_PauseAudio(0) when you are ready + for your audio callback function to be called. Since the audio driver + may modify the requested size of the audio buffer, you should allocate + any local mixing buffers after you open the audio device. } + +function SDL_OpenAudio(desired, obtained: PSDL_AudioSpec): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_OpenAudio'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_OpenAudio} + +{ Get the current audio state: } +function SDL_GetAudioStatus: TSDL_Audiostatus; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetAudioStatus'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetAudioStatus} + +{ This function pauses and unpauses the audio callback processing. + It should be called with a parameter of 0 after opening the audio + device to start playing sound. This is so you can safely initialize + data for your callback function after opening the audio device. + Silence will be written to the audio device during the pause. } + +procedure SDL_PauseAudio(pause_on: Integer); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_PauseAudio'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_PauseAudio} + +{ This function loads a WAVE from the data source, automatically freeing + that source if 'freesrc' is non-zero. For example, to load a WAVE file, + you could do: + SDL_LoadWAV_RW(SDL_RWFromFile("sample.wav", "rb"), 1, ...); + + If this function succeeds, it returns the given SDL_AudioSpec, + filled with the audio data format of the wave data, and sets + 'audio_buf' to a malloc()'d buffer containing the audio data, + and sets 'audio_len' to the length of that audio buffer, in bytes. + You need to free the audio buffer with SDL_FreeWAV() when you are + done with it. + + This function returns NULL and sets the SDL error message if the + wave file cannot be opened, uses an unknown data format, or is + corrupt. Currently raw and MS-ADPCM WAVE files are supported. } + +function SDL_LoadWAV_RW(src: PSDL_RWops; freesrc: Integer; spec: + PSDL_AudioSpec; audio_buf: PUInt8; audiolen: PUInt32): PSDL_AudioSpec; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_LoadWAV_RW'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_LoadWAV_RW} + +// Compatibility convenience function -- loads a WAV from a file +function SDL_LoadWAV(filename: PChar; spec: PSDL_AudioSpec; audio_buf: + PUInt8; audiolen: PUInt32): PSDL_AudioSpec; +{$EXTERNALSYM SDL_LoadWAV} + +{ This function frees data previously allocated with SDL_LoadWAV_RW() } + +procedure SDL_FreeWAV(audio_buf: PUInt8); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_FreeWAV'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_FreeWAV} + +{ This function takes a source format and rate and a destination format + and rate, and initializes the 'cvt' structure with information needed + by SDL_ConvertAudio() to convert a buffer of audio data from one format + to the other. + This function returns 0, or -1 if there was an error. } +function SDL_BuildAudioCVT(cvt: PSDL_AudioCVT; src_format: UInt16; + src_channels: UInt8; src_rate: Integer; dst_format: UInt16; dst_channels: UInt8; + dst_rate: Integer): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_BuildAudioCVT'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_BuildAudioCVT} + +{ Once you have initialized the 'cvt' structure using SDL_BuildAudioCVT(), + created an audio buffer cvt->buf, and filled it with cvt->len bytes of + audio data in the source format, this function will convert it in-place + to the desired format. + The data conversion may expand the size of the audio data, so the buffer + cvt->buf should be allocated after the cvt structure is initialized by + SDL_BuildAudioCVT(), and should be cvt->len*cvt->len_mult bytes long. } +function SDL_ConvertAudio(cvt: PSDL_AudioCVT): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_ConvertAudio'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_ConvertAudio} + +{ This takes two audio buffers of the playing audio format and mixes + them, performing addition, volume adjustment, and overflow clipping. + The volume ranges from 0 - 128, and should be set to SDL_MIX_MAXVOLUME + for full audio volume. Note this does not change hardware volume. + This is provided for convenience -- you can mix your own audio data. } + +procedure SDL_MixAudio(dst, src: PUInt8; len: UInt32; volume: Integer); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_MixAudio'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_MixAudio} + +{ The lock manipulated by these functions protects the callback function. + During a LockAudio/UnlockAudio pair, you can be guaranteed that the + callback function is not running. Do not call these from the callback + function or you will cause deadlock. } +procedure SDL_LockAudio; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_LockAudio'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_LockAudio} +procedure SDL_UnlockAudio; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_UnlockAudio'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_UnlockAudio} + +{ This function shuts down audio processing and closes the audio device. } + +procedure SDL_CloseAudio; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CloseAudio'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CloseAudio} + +{------------------------------------------------------------------------------} +{ CD-routines } +{------------------------------------------------------------------------------} + +{ Returns the number of CD-ROM drives on the system, or -1 if + SDL_Init() has not been called with the SDL_INIT_CDROM flag. } + +function SDL_CDNumDrives: Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CDNumDrives'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CDNumDrives} + +{ Returns a human-readable, system-dependent identifier for the CD-ROM. + Example: + "/dev/cdrom" + "E:" + "/dev/disk/ide/1/master" } + +function SDL_CDName(drive: Integer): PChar; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CDName'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CDName} + +{ Opens a CD-ROM drive for access. It returns a drive handle on success, + or NULL if the drive was invalid or busy. This newly opened CD-ROM + becomes the default CD used when other CD functions are passed a NULL + CD-ROM handle. + Drives are numbered starting with 0. Drive 0 is the system default CD-ROM. } + +function SDL_CDOpen(drive: Integer): PSDL_CD; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CDOpen'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CDOpen} + +{ This function returns the current status of the given drive. + If the drive has a CD in it, the table of contents of the CD and current + play position of the CD will be stored in the SDL_CD structure. } + +function SDL_CDStatus(cdrom: PSDL_CD): TSDL_CDStatus; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CDStatus'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CDStatus} + +{ Play the given CD starting at 'start_track' and 'start_frame' for 'ntracks' + tracks and 'nframes' frames. If both 'ntrack' and 'nframe' are 0, play + until the end of the CD. This function will skip data tracks. + This function should only be called after calling SDL_CDStatus() to + get track information about the CD. + + For example: + // Play entire CD: + if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) then + SDL_CDPlayTracks(cdrom, 0, 0, 0, 0); + // Play last track: + if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) then + begin + SDL_CDPlayTracks(cdrom, cdrom->numtracks-1, 0, 0, 0); + end; + + // Play first and second track and 10 seconds of third track: + if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) + SDL_CDPlayTracks(cdrom, 0, 0, 2, 10); + + This function returns 0, or -1 if there was an error. } + +function SDL_CDPlayTracks(cdrom: PSDL_CD; start_track: Integer; start_frame: + Integer; ntracks: Integer; nframes: Integer): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CDPlayTracks'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CDPlayTracks} + + +{ Play the given CD starting at 'start' frame for 'length' frames. + It returns 0, or -1 if there was an error. } + +function SDL_CDPlay(cdrom: PSDL_CD; start: Integer; length: Integer): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CDPlay'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CDPlay} + +// Pause play -- returns 0, or -1 on error +function SDL_CDPause(cdrom: PSDL_CD): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CDPause'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CDPause} + +// Resume play -- returns 0, or -1 on error +function SDL_CDResume(cdrom: PSDL_CD): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CDResume'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CDResume} + +// Stop play -- returns 0, or -1 on error +function SDL_CDStop(cdrom: PSDL_CD): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CDStop'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CDStop} + +// Eject CD-ROM -- returns 0, or -1 on error +function SDL_CDEject(cdrom: PSDL_CD): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CDEject'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CDEject} + +// Closes the handle for the CD-ROM drive +procedure SDL_CDClose(cdrom: PSDL_CD); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CDClose'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CDClose} + +// Given a status, returns true if there's a disk in the drive +function SDL_CDInDrive( status : TSDL_CDStatus ) : LongBool; +{$EXTERNALSYM SDL_CDInDrive} + +// Conversion functions from frames to Minute/Second/Frames and vice versa +procedure FRAMES_TO_MSF(frames: Integer; var M: Integer; var S: Integer; var + F: Integer); +{$EXTERNALSYM FRAMES_TO_MSF} +function MSF_TO_FRAMES(M: Integer; S: Integer; F: Integer): Integer; +{$EXTERNALSYM MSF_TO_FRAMES} + +{------------------------------------------------------------------------------} +{ JoyStick-routines } +{------------------------------------------------------------------------------} + +{ Count the number of joysticks attached to the system } +function SDL_NumJoysticks: Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_NumJoysticks'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_NumJoysticks} + +{ Get the implementation dependent name of a joystick. + This can be called before any joysticks are opened. + If no name can be found, this function returns NULL. } +function SDL_JoystickName(index: Integer): PChar; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_JoystickName'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_JoystickName} + +{ Open a joystick for use - the index passed as an argument refers to + the N'th joystick on the system. This index is the value which will + identify this joystick in future joystick events. + + This function returns a joystick identifier, or NULL if an error occurred. } +function SDL_JoystickOpen(index: Integer): PSDL_Joystick; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_JoystickOpen'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_JoystickOpen} + +{ Returns 1 if the joystick has been opened, or 0 if it has not. } +function SDL_JoystickOpened(index: Integer): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_JoystickOpened'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_JoystickOpened} + +{ Get the device index of an opened joystick. } +function SDL_JoystickIndex(joystick: PSDL_Joystick): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_JoystickIndex'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_JoystickIndex} + +{ Get the number of general axis controls on a joystick } +function SDL_JoystickNumAxes(joystick: PSDL_Joystick): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_JoystickNumAxes'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_JoystickNumAxes} + +{ Get the number of trackballs on a joystick + Joystick trackballs have only relative motion events associated + with them and their state cannot be polled. } +function SDL_JoystickNumBalls(joystick: PSDL_Joystick): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_JoystickNumBalls'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_JoystickNumBalls} + + +{ Get the number of POV hats on a joystick } +function SDL_JoystickNumHats(joystick: PSDL_Joystick): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_JoystickNumHats'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_JoystickNumHats} + +{ Get the number of buttons on a joystick } +function SDL_JoystickNumButtons(joystick: PSDL_Joystick): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_JoystickNumButtons'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_JoystickNumButtons} + +{ Update the current state of the open joysticks. + This is called automatically by the event loop if any joystick + events are enabled. } + +procedure SDL_JoystickUpdate; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_JoystickUpdate'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_JoystickUpdate;} + +{ Enable/disable joystick event polling. + If joystick events are disabled, you must call SDL_JoystickUpdate() + yourself and check the state of the joystick when you want joystick + information. + The state can be one of SDL_QUERY, SDL_ENABLE or SDL_IGNORE. } + +function SDL_JoystickEventState(state: Integer): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_JoystickEventState'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_JoystickEventState} + +{ Get the current state of an axis control on a joystick + The state is a value ranging from -32768 to 32767. + The axis indices start at index 0. } + +function SDL_JoystickGetAxis(joystick: PSDL_Joystick; axis: Integer) : SInt16; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_JoystickGetAxis'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_JoystickGetAxis} + +{ The hat indices start at index 0. } + +function SDL_JoystickGetHat(joystick: PSDL_Joystick; hat: Integer): UInt8; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_JoystickGetHat'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_JoystickGetHat} + +{ Get the ball axis change since the last poll + This returns 0, or -1 if you passed it invalid parameters. + The ball indices start at index 0. } + +function SDL_JoystickGetBall(joystick: PSDL_Joystick; ball: Integer; var dx: Integer; var dy: Integer): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_JoystickGetBall'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_JoystickGetBall} + +{ Get the current state of a button on a joystick + The button indices start at index 0. } +function SDL_JoystickGetButton( joystick: PSDL_Joystick; Button: Integer): UInt8; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_JoystickGetButton'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_JoystickGetButton} + +{ Close a joystick previously opened with SDL_JoystickOpen() } +procedure SDL_JoystickClose(joystick: PSDL_Joystick); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_JoystickClose'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_JoystickClose} + +{------------------------------------------------------------------------------} +{ event-handling } +{------------------------------------------------------------------------------} + +{ Pumps the event loop, gathering events from the input devices. + This function updates the event queue and internal input device state. + This should only be run in the thread that sets the video mode. } + +procedure SDL_PumpEvents; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_PumpEvents'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_PumpEvents;} + +{ Checks the event queue for messages and optionally returns them. + If 'action' is SDL_ADDEVENT, up to 'numevents' events will be added to + the back of the event queue. + If 'action' is SDL_PEEKEVENT, up to 'numevents' events at the front + of the event queue, matching 'mask', will be returned and will not + be removed from the queue. + If 'action' is SDL_GETEVENT, up to 'numevents' events at the front + of the event queue, matching 'mask', will be returned and will be + removed from the queue. + This function returns the number of events actually stored, or -1 + if there was an error. This function is thread-safe. } + +function SDL_PeepEvents(events: PSDL_Event; numevents: Integer; action: TSDL_eventaction; mask: UInt32): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_PeepEvents'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_PeepEvents} + +{ Polls for currently pending events, and returns 1 if there are any pending + events, or 0 if there are none available. If 'event' is not NULL, the next + event is removed from the queue and stored in that area. } + +function SDL_PollEvent(event: PSDL_Event): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_PollEvent'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_PollEvent} + +{ Waits indefinitely for the next available event, returning 1, or 0 if there + was an error while waiting for events. If 'event' is not NULL, the next + event is removed from the queue and stored in that area. } + +function SDL_WaitEvent(event: PSDL_Event): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_WaitEvent'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_WaitEvent} + +function SDL_PushEvent( event : PSDL_Event ) : Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_PushEvent'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_PushEvent} + +{ If the filter returns 1, then the event will be added to the internal queue. + If it returns 0, then the event will be dropped from the queue, but the + internal state will still be updated. This allows selective filtering of + dynamically arriving events. + + WARNING: Be very careful of what you do in the event filter function, as + it may run in a different thread! + + There is one caveat when dealing with the SDL_QUITEVENT event type. The + event filter is only called when the window manager desires to close the + application window. If the event filter returns 1, then the window will + be closed, otherwise the window will remain open if possible. + If the quit event is generated by an interrupt signal, it will bypass the + internal queue and be delivered to the application at the next event poll. } +procedure SDL_SetEventFilter( filter : TSDL_EventFilter ); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SetEventFilter'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SetEventFilter} + +{ Return the current event filter - can be used to "chain" filters. + If there is no event filter set, this function returns NULL. } + +function SDL_GetEventFilter: TSDL_EventFilter; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetEventFilter'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetEventFilter} + +{ This function allows you to set the state of processing certain events. + If 'state' is set to SDL_IGNORE, that event will be automatically dropped + from the event queue and will not event be filtered. + If 'state' is set to SDL_ENABLE, that event will be processed normally. + If 'state' is set to SDL_QUERY, SDL_EventState() will return the + current processing state of the specified event. } + +function SDL_EventState(type_: UInt8; state: Integer): UInt8; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_EventState'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_EventState} + +{------------------------------------------------------------------------------} +{ Version Routines } +{------------------------------------------------------------------------------} + +{ This macro can be used to fill a version structure with the compile-time + version of the SDL library. } +procedure SDL_VERSION(var X: TSDL_Version); +{$EXTERNALSYM SDL_VERSION} + +{ This macro turns the version numbers into a numeric value: + (1,2,3) -> (1203) + This assumes that there will never be more than 100 patchlevels } + +function SDL_VERSIONNUM(X, Y, Z: Integer): Integer; +{$EXTERNALSYM SDL_VERSIONNUM} + +// This is the version number macro for the current SDL version +function SDL_COMPILEDVERSION: Integer; +{$EXTERNALSYM SDL_COMPILEDVERSION} + +// This macro will evaluate to true if compiled with SDL at least X.Y.Z +function SDL_VERSION_ATLEAST(X: Integer; Y: Integer; Z: Integer) : LongBool; +{$EXTERNALSYM SDL_VERSION_ATLEAST} + +{ This function gets the version of the dynamically linked SDL library. + it should NOT be used to fill a version structure, instead you should + use the SDL_Version() macro. } + +function SDL_Linked_Version: PSDL_version; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_Linked_Version'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_Linked_Version} + +{------------------------------------------------------------------------------} +{ video } +{------------------------------------------------------------------------------} + +{ These functions are used internally, and should not be used unless you + have a specific need to specify the video driver you want to use. + You should normally use SDL_Init() or SDL_InitSubSystem(). + + SDL_VideoInit() initializes the video subsystem -- sets up a connection + to the window manager, etc, and determines the current video mode and + pixel format, but does not initialize a window or graphics mode. + Note that event handling is activated by this routine. + + If you use both sound and video in your application, you need to call + SDL_Init() before opening the sound device, otherwise under Win32 DirectX, + you won't be able to set full-screen display modes. } + +function SDL_VideoInit(driver_name: PChar; flags: UInt32): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_VideoInit'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_VideoInit} +procedure SDL_VideoQuit; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_VideoQuit'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_VideoQuit} + +{ This function fills the given character buffer with the name of the + video driver, and returns a pointer to it if the video driver has + been initialized. It returns NULL if no driver has been initialized. } + +function SDL_VideoDriverName(namebuf: PChar; maxlen: Integer): PChar; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_VideoDriverName'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_VideoDriverName} + +{ This function returns a pointer to the current display surface. + If SDL is doing format conversion on the display surface, this + function returns the publicly visible surface, not the real video + surface. } + +function SDL_GetVideoSurface: PSDL_Surface; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetVideoSurface'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetVideoSurface} + +{ This function returns a read-only pointer to information about the + video hardware. If this is called before SDL_SetVideoMode(), the 'vfmt' + member of the returned structure will contain the pixel format of the + "best" video mode. } +function SDL_GetVideoInfo: PSDL_VideoInfo; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetVideoInfo'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetVideoInfo} + +{ Check to see if a particular video mode is supported. + It returns 0 if the requested mode is not supported under any bit depth, + or returns the bits-per-pixel of the closest available mode with the + given width and height. If this bits-per-pixel is different from the + one used when setting the video mode, SDL_SetVideoMode() will succeed, + but will emulate the requested bits-per-pixel with a shadow surface. + + The arguments to SDL_VideoModeOK() are the same ones you would pass to + SDL_SetVideoMode() } + +function SDL_VideoModeOK(width, height, bpp: Integer; flags: UInt32): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_VideoModeOK'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_VideoModeOK} + +{ Return a pointer to an array of available screen dimensions for the + given format and video flags, sorted largest to smallest. Returns + NULL if there are no dimensions available for a particular format, + or (SDL_Rect **)-1 if any dimension is okay for the given format. + + if 'format' is NULL, the mode list will be for the format given + by SDL_GetVideoInfo( ) - > vfmt } + +function SDL_ListModes(format: PSDL_PixelFormat; flags: UInt32): PPSDL_Rect; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_ListModes'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_ListModes} + + +{ Set up a video mode with the specified width, height and bits-per-pixel. + + If 'bpp' is 0, it is treated as the current display bits per pixel. + + If SDL_ANYFORMAT is set in 'flags', the SDL library will try to set the + requested bits-per-pixel, but will return whatever video pixel format is + available. The default is to emulate the requested pixel format if it + is not natively available. + + If SDL_HWSURFACE is set in 'flags', the video surface will be placed in + video memory, if possible, and you may have to call SDL_LockSurface() + in order to access the raw framebuffer. Otherwise, the video surface + will be created in system memory. + + If SDL_ASYNCBLIT is set in 'flags', SDL will try to perform rectangle + updates asynchronously, but you must always lock before accessing pixels. + SDL will wait for updates to complete before returning from the lock. + + If SDL_HWPALETTE is set in 'flags', the SDL library will guarantee + that the colors set by SDL_SetColors() will be the colors you get. + Otherwise, in 8-bit mode, SDL_SetColors() may not be able to set all + of the colors exactly the way they are requested, and you should look + at the video surface structure to determine the actual palette. + If SDL cannot guarantee that the colors you request can be set, + i.e. if the colormap is shared, then the video surface may be created + under emulation in system memory, overriding the SDL_HWSURFACE flag. + + If SDL_FULLSCREEN is set in 'flags', the SDL library will try to set + a fullscreen video mode. The default is to create a windowed mode + if the current graphics system has a window manager. + If the SDL library is able to set a fullscreen video mode, this flag + will be set in the surface that is returned. + + If SDL_DOUBLEBUF is set in 'flags', the SDL library will try to set up + two surfaces in video memory and swap between them when you call + SDL_Flip(). This is usually slower than the normal single-buffering + scheme, but prevents "tearing" artifacts caused by modifying video + memory while the monitor is refreshing. It should only be used by + applications that redraw the entire screen on every update. + + This function returns the video framebuffer surface, or NULL if it fails. } + +function SDL_SetVideoMode(width, height, bpp: Integer; flags: UInt32): PSDL_Surface; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SetVideoMode'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SetVideoMode} + + +{ Makes sure the given list of rectangles is updated on the given screen. + If 'x', 'y', 'w' and 'h' are all 0, SDL_UpdateRect will update the entire + screen. + These functions should not be called while 'screen' is locked. } + +procedure SDL_UpdateRects(screen: PSDL_Surface; numrects: Integer; rects: PSDL_Rect); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_UpdateRects'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_UpdateRects} +procedure SDL_UpdateRect(screen: PSDL_Surface; x, y: SInt32; w, h: UInt32); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_UpdateRect'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_UpdateRect} + + +{ On hardware that supports double-buffering, this function sets up a flip + and returns. The hardware will wait for vertical retrace, and then swap + video buffers before the next video surface blit or lock will return. + On hardware that doesn not support double-buffering, this is equivalent + to calling SDL_UpdateRect(screen, 0, 0, 0, 0); + The SDL_DOUBLEBUF flag must have been passed to SDL_SetVideoMode() when + setting the video mode for this function to perform hardware flipping. + This function returns 0 if successful, or -1 if there was an error.} + +function SDL_Flip(screen: PSDL_Surface): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_Flip'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_Flip} + +{ Set the gamma correction for each of the color channels. + The gamma values range (approximately) between 0.1 and 10.0 + + If this function isn't supported directly by the hardware, it will + be emulated using gamma ramps, if available. If successful, this + function returns 0, otherwise it returns -1. } + +function SDL_SetGamma(redgamma: single; greengamma: single; bluegamma: single ): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SetGamma'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SetGamma} + +{ Set the gamma translation table for the red, green, and blue channels + of the video hardware. Each table is an array of 256 16-bit quantities, + representing a mapping between the input and output for that channel. + The input is the index into the array, and the output is the 16-bit + gamma value at that index, scaled to the output color precision. + + You may pass NULL for any of the channels to leave it unchanged. + If the call succeeds, it will return 0. If the display driver or + hardware does not support gamma translation, or otherwise fails, + this function will return -1. } + +function SDL_SetGammaRamp( redtable: PUInt16; greentable: PUInt16; bluetable: PUInt16): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SetGammaRamp'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SetGammaRamp} + +{ Retrieve the current values of the gamma translation tables. + + You must pass in valid pointers to arrays of 256 16-bit quantities. + Any of the pointers may be NULL to ignore that channel. + If the call succeeds, it will return 0. If the display driver or + hardware does not support gamma translation, or otherwise fails, + this function will return -1. } + +function SDL_GetGammaRamp( redtable: PUInt16; greentable: PUInt16; bluetable: PUInt16): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetGammaRamp'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetGammaRamp} + +{ Sets a portion of the colormap for the given 8-bit surface. If 'surface' + is not a palettized surface, this function does nothing, returning 0. + If all of the colors were set as passed to SDL_SetColors(), it will + return 1. If not all the color entries were set exactly as given, + it will return 0, and you should look at the surface palette to + determine the actual color palette. + + When 'surface' is the surface associated with the current display, the + display colormap will be updated with the requested colors. If + SDL_HWPALETTE was set in SDL_SetVideoMode() flags, SDL_SetColors() + will always return 1, and the palette is guaranteed to be set the way + you desire, even if the window colormap has to be warped or run under + emulation. } + + +function SDL_SetColors(surface: PSDL_Surface; colors: PSDL_Color; firstcolor : Integer; ncolors: Integer) : Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SetColors'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SetColors} + +{ Sets a portion of the colormap for a given 8-bit surface. + 'flags' is one or both of: + SDL_LOGPAL -- set logical palette, which controls how blits are mapped + to/from the surface, + SDL_PHYSPAL -- set physical palette, which controls how pixels look on + the screen + Only screens have physical palettes. Separate change of physical/logical + palettes is only possible if the screen has SDL_HWPALETTE set. + + The return value is 1 if all colours could be set as requested, and 0 + otherwise. + + SDL_SetColors() is equivalent to calling this function with + flags = (SDL_LOGPAL or SDL_PHYSPAL). } + +function SDL_SetPalette(surface: PSDL_Surface; flags: Integer; colors: PSDL_Color; firstcolor: Integer; ncolors: Integer): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SetPalette'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SetPalette} + +{ Maps an RGB triple to an opaque pixel value for a given pixel format } +function SDL_MapRGB(format: PSDL_PixelFormat; r: UInt8; g: UInt8; b: UInt8) : UInt32; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_MapRGB'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_MapRGB} + +{ Maps an RGBA quadruple to a pixel value for a given pixel format } +function SDL_MapRGBA(format: PSDL_PixelFormat; r: UInt8; g: UInt8; b: UInt8; a: UInt8): UInt32; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_MapRGBA'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_MapRGBA} + +{ Maps a pixel value into the RGB components for a given pixel format } +procedure SDL_GetRGB(pixel: UInt32; fmt: PSDL_PixelFormat; r: PUInt8; g: PUInt8; b: PUInt8); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetRGB'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetRGB} + +{ Maps a pixel value into the RGBA components for a given pixel format } +procedure SDL_GetRGBA(pixel: UInt32; fmt: PSDL_PixelFormat; r: PUInt8; g: PUInt8; b: PUInt8; a: PUInt8); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetRGBA'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetRGBA} + +{ Allocate and free an RGB surface (must be called after SDL_SetVideoMode) + If the depth is 4 or 8 bits, an empty palette is allocated for the surface. + If the depth is greater than 8 bits, the pixel format is set using the + flags '[RGB]mask'. + If the function runs out of memory, it will return NULL. + + The 'flags' tell what kind of surface to create. + SDL_SWSURFACE means that the surface should be created in system memory. + SDL_HWSURFACE means that the surface should be created in video memory, + with the same format as the display surface. This is useful for surfaces + that will not change much, to take advantage of hardware acceleration + when being blitted to the display surface. + SDL_ASYNCBLIT means that SDL will try to perform asynchronous blits with + this surface, but you must always lock it before accessing the pixels. + SDL will wait for current blits to finish before returning from the lock. + SDL_SRCCOLORKEY indicates that the surface will be used for colorkey blits. + If the hardware supports acceleration of colorkey blits between + two surfaces in video memory, SDL will try to place the surface in + video memory. If this isn't possible or if there is no hardware + acceleration available, the surface will be placed in system memory. + SDL_SRCALPHA means that the surface will be used for alpha blits and + if the hardware supports hardware acceleration of alpha blits between + two surfaces in video memory, to place the surface in video memory + if possible, otherwise it will be placed in system memory. + If the surface is created in video memory, blits will be _much_ faster, + but the surface format must be identical to the video surface format, + and the only way to access the pixels member of the surface is to use + the SDL_LockSurface() and SDL_UnlockSurface() calls. + If the requested surface actually resides in video memory, SDL_HWSURFACE + will be set in the flags member of the returned surface. If for some + reason the surface could not be placed in video memory, it will not have + the SDL_HWSURFACE flag set, and will be created in system memory instead. } + +function SDL_AllocSurface(flags: UInt32; width, height, depth: Integer; + RMask, GMask, BMask, AMask: UInt32): PSDL_Surface; +{$EXTERNALSYM SDL_AllocSurface} + +function SDL_CreateRGBSurface(flags: UInt32; width, height, depth: Integer; RMask, GMask, BMask, AMask: UInt32): PSDL_Surface; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CreateRGBSurface'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CreateRGBSurface} + +function SDL_CreateRGBSurfaceFrom(pixels: Pointer; width, height, depth, pitch + : Integer; RMask, GMask, BMask, AMask: UInt32): PSDL_Surface; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CreateRGBSurfaceFrom'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CreateRGBSurfaceFrom} + +procedure SDL_FreeSurface(surface: PSDL_Surface); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_FreeSurface'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_FreeSurface} + +function SDL_MustLock(Surface: PSDL_Surface): Boolean; +{$EXTERNALSYM SDL_MustLock} +{ SDL_LockSurface() sets up a surface for directly accessing the pixels. + Between calls to SDL_LockSurface()/SDL_UnlockSurface(), you can write + to and read from 'surface->pixels', using the pixel format stored in + 'surface->format'. Once you are done accessing the surface, you should + use SDL_UnlockSurface() to release it. + + Not all surfaces require locking. If SDL_MUSTLOCK(surface) evaluates + to 0, then you can read and write to the surface at any time, and the + pixel format of the surface will not change. In particular, if the + SDL_HWSURFACE flag is not given when calling SDL_SetVideoMode(), you + will not need to lock the display surface before accessing it. + + No operating system or library calls should be made between lock/unlock + pairs, as critical system locks may be held during this time. + + SDL_LockSurface() returns 0, or -1 if the surface couldn't be locked. } +function SDL_LockSurface(surface: PSDL_Surface): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_LockSurface'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_LockSurface} + +procedure SDL_UnlockSurface(surface: PSDL_Surface); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_UnlockSurface'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_UnlockSurface} + +{ Load a surface from a seekable SDL data source (memory or file.) + If 'freesrc' is non-zero, the source will be closed after being read. + Returns the new surface, or NULL if there was an error. + The new surface should be freed with SDL_FreeSurface(). } +function SDL_LoadBMP_RW(src: PSDL_RWops; freesrc: Integer): PSDL_Surface; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_LoadBMP_RW'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_LoadBMP_RW} + +// Convenience macro -- load a surface from a file +function SDL_LoadBMP(filename: PChar): PSDL_Surface; +{$EXTERNALSYM SDL_LoadBMP} + +{ Save a surface to a seekable SDL data source (memory or file.) + If 'freedst' is non-zero, the source will be closed after being written. + Returns 0 if successful or -1 if there was an error. } + +function SDL_SaveBMP_RW(surface: PSDL_Surface; dst: PSDL_RWops; freedst: Integer): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SaveBMP_RW'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SaveBMP_RW} + +// Convenience macro -- save a surface to a file +function SDL_SaveBMP(surface: PSDL_Surface; filename: PChar): Integer; +{$EXTERNALSYM SDL_SaveBMP} + +{ Sets the color key (transparent pixel) in a blittable surface. + If 'flag' is SDL_SRCCOLORKEY (optionally OR'd with SDL_RLEACCEL), + 'key' will be the transparent pixel in the source image of a blit. + SDL_RLEACCEL requests RLE acceleration for the surface if present, + and removes RLE acceleration if absent. + If 'flag' is 0, this function clears any current color key. + This function returns 0, or -1 if there was an error. } + +function SDL_SetColorKey(surface: PSDL_Surface; flag, key: UInt32) : Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SetColorKey'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SetColorKey} + +{ This function sets the alpha value for the entire surface, as opposed to + using the alpha component of each pixel. This value measures the range + of transparency of the surface, 0 being completely transparent to 255 + being completely opaque. An 'alpha' value of 255 causes blits to be + opaque, the source pixels copied to the destination (the default). Note + that per-surface alpha can be combined with colorkey transparency. + + If 'flag' is 0, alpha blending is disabled for the surface. + If 'flag' is SDL_SRCALPHA, alpha blending is enabled for the surface. + OR:ing the flag with SDL_RLEACCEL requests RLE acceleration for the + surface; if SDL_RLEACCEL is not specified, the RLE accel will be removed. } + + +function SDL_SetAlpha(surface: PSDL_Surface; flag: UInt32; alpha: UInt8): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SetAlpha'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SetAlpha} + +{ Sets the clipping rectangle for the destination surface in a blit. + + If the clip rectangle is NULL, clipping will be disabled. + If the clip rectangle doesn't intersect the surface, the function will + return SDL_FALSE and blits will be completely clipped. Otherwise the + function returns SDL_TRUE and blits to the surface will be clipped to + the intersection of the surface area and the clipping rectangle. + + Note that blits are automatically clipped to the edges of the source + and destination surfaces. } +procedure SDL_SetClipRect(surface: PSDL_Surface; rect: PSDL_Rect); cdecl; +external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SetClipRect'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SetClipRect} + +{ Gets the clipping rectangle for the destination surface in a blit. + 'rect' must be a pointer to a valid rectangle which will be filled + with the correct values. } +procedure SDL_GetClipRect(surface: PSDL_Surface; rect: PSDL_Rect); cdecl; +external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetClipRect'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetClipRect} + +{ Creates a new surface of the specified format, and then copies and maps + the given surface to it so the blit of the converted surface will be as + fast as possible. If this function fails, it returns NULL. + + The 'flags' parameter is passed to SDL_CreateRGBSurface() and has those + semantics. You can also pass SDL_RLEACCEL in the flags parameter and + SDL will try to RLE accelerate colorkey and alpha blits in the resulting + surface. + + This function is used internally by SDL_DisplayFormat(). } + +function SDL_ConvertSurface(src: PSDL_Surface; fmt: PSDL_PixelFormat; flags: UInt32): PSDL_Surface; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_ConvertSurface'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_ConvertSurface} + +{ + This performs a fast blit from the source surface to the destination + surface. It assumes that the source and destination rectangles are + the same size. If either 'srcrect' or 'dstrect' are NULL, the entire + surface (src or dst) is copied. The final blit rectangles are saved + in 'srcrect' and 'dstrect' after all clipping is performed. + If the blit is successful, it returns 0, otherwise it returns -1. + + The blit function should not be called on a locked surface. + + The blit semantics for surfaces with and without alpha and colorkey + are defined as follows: + + RGBA->RGB: + SDL_SRCALPHA set: + alpha-blend (using alpha-channel). + SDL_SRCCOLORKEY ignored. + SDL_SRCALPHA not set: + copy RGB. + if SDL_SRCCOLORKEY set, only copy the pixels matching the + RGB values of the source colour key, ignoring alpha in the + comparison. + + RGB->RGBA: + SDL_SRCALPHA set: + alpha-blend (using the source per-surface alpha value); + set destination alpha to opaque. + SDL_SRCALPHA not set: + copy RGB, set destination alpha to opaque. + both: + if SDL_SRCCOLORKEY set, only copy the pixels matching the + source colour key. + + RGBA->RGBA: + SDL_SRCALPHA set: + alpha-blend (using the source alpha channel) the RGB values; + leave destination alpha untouched. [Note: is this correct?] + SDL_SRCCOLORKEY ignored. + SDL_SRCALPHA not set: + copy all of RGBA to the destination. + if SDL_SRCCOLORKEY set, only copy the pixels matching the + RGB values of the source colour key, ignoring alpha in the + comparison. + + RGB->RGB: + SDL_SRCALPHA set: + alpha-blend (using the source per-surface alpha value). + SDL_SRCALPHA not set: + copy RGB. + both: + if SDL_SRCCOLORKEY set, only copy the pixels matching the + source colour key. + + If either of the surfaces were in video memory, and the blit returns -2, + the video memory was lost, so it should be reloaded with artwork and + re-blitted: + while ( SDL_BlitSurface(image, imgrect, screen, dstrect) = -2 ) do + begin + while ( SDL_LockSurface(image) < 0 ) do + Sleep(10); + -- Write image pixels to image->pixels -- + SDL_UnlockSurface(image); + end; + + This happens under DirectX 5.0 when the system switches away from your + fullscreen application. The lock will also fail until you have access + to the video memory again. } + +{ You should call SDL_BlitSurface() unless you know exactly how SDL + blitting works internally and how to use the other blit functions. } + +function SDL_BlitSurface(src: PSDL_Surface; srcrect: PSDL_Rect; dst: PSDL_Surface; dstrect: PSDL_Rect): Integer; +{$EXTERNALSYM SDL_BlitSurface} + +{ This is the public blit function, SDL_BlitSurface(), and it performs + rectangle validation and clipping before passing it to SDL_LowerBlit() } +function SDL_UpperBlit(src: PSDL_Surface; srcrect: PSDL_Rect; dst: PSDL_Surface; dstrect: PSDL_Rect): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_UpperBlit'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_UpperBlit} + +{ This is a semi-private blit function and it performs low-level surface + blitting only. } +function SDL_LowerBlit(src: PSDL_Surface; srcrect: PSDL_Rect; dst: PSDL_Surface; dstrect: PSDL_Rect): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_LowerBlit'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_LowerBlit} + +{ This function performs a fast fill of the given rectangle with 'color' + The given rectangle is clipped to the destination surface clip area + and the final fill rectangle is saved in the passed in pointer. + If 'dstrect' is NULL, the whole surface will be filled with 'color' + The color should be a pixel of the format used by the surface, and + can be generated by the SDL_MapRGB() function. + This function returns 0 on success, or -1 on error. } + +function SDL_FillRect(dst: PSDL_Surface; dstrect: PSDL_Rect; color: UInt32) : Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_FillRect'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_FillRect} + +{ This function takes a surface and copies it to a new surface of the + pixel format and colors of the video framebuffer, suitable for fast + blitting onto the display surface. It calls SDL_ConvertSurface() + + If you want to take advantage of hardware colorkey or alpha blit + acceleration, you should set the colorkey and alpha value before + calling this function. + + If the conversion fails or runs out of memory, it returns NULL } + +function SDL_DisplayFormat(surface: PSDL_Surface): PSDL_Surface; cdecl; +external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_DisplayFormat'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_DisplayFormat} + +{ This function takes a surface and copies it to a new surface of the + pixel format and colors of the video framebuffer (if possible), + suitable for fast alpha blitting onto the display surface. + The new surface will always have an alpha channel. + + If you want to take advantage of hardware colorkey or alpha blit + acceleration, you should set the colorkey and alpha value before + calling this function. + + If the conversion fails or runs out of memory, it returns NULL } + + +function SDL_DisplayFormatAlpha(surface: PSDL_Surface): PSDL_Surface; cdecl; +external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_DisplayFormatAlpha'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_DisplayFormatAlpha} + +//* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ +//* YUV video surface overlay functions */ +//* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +{ This function creates a video output overlay + Calling the returned surface an overlay is something of a misnomer because + the contents of the display surface underneath the area where the overlay + is shown is undefined - it may be overwritten with the converted YUV data. } + +function SDL_CreateYUVOverlay(width: Integer; height: Integer; format: UInt32; display: PSDL_Surface): PSDL_Overlay; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CreateYUVOverlay'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CreateYUVOverlay} + +// Lock an overlay for direct access, and unlock it when you are done +function SDL_LockYUVOverlay(Overlay: PSDL_Overlay): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_LockYUVOverlay'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_LockYUVOverlay} + +procedure SDL_UnlockYUVOverlay(Overlay: PSDL_Overlay); cdecl; +external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_UnlockYUVOverlay'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_UnlockYUVOverlay} + + +{ Blit a video overlay to the display surface. + The contents of the video surface underneath the blit destination are + not defined. + The width and height of the destination rectangle may be different from + that of the overlay, but currently only 2x scaling is supported. } + +function SDL_DisplayYUVOverlay(Overlay: PSDL_Overlay; dstrect: PSDL_Rect) : Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_DisplayYUVOverlay'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_DisplayYUVOverlay} + +// Free a video overlay +procedure SDL_FreeYUVOverlay(Overlay: PSDL_Overlay); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_FreeYUVOverlay'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_FreeYUVOverlay} + +{------------------------------------------------------------------------------} +{ OpenGL Routines } +{------------------------------------------------------------------------------} + +{ Dynamically load a GL driver, if SDL is built with dynamic GL. + + SDL links normally with the OpenGL library on your system by default, + but you can compile it to dynamically load the GL driver at runtime. + If you do this, you need to retrieve all of the GL functions used in + your program from the dynamic library using SDL_GL_GetProcAddress(). + + This is disabled in default builds of SDL. } + + +function SDL_GL_LoadLibrary(filename: PChar): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GL_LoadLibrary'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GL_LoadLibrary} + +{ Get the address of a GL function (for extension functions) } +function SDL_GL_GetProcAddress(procname: PChar) : Pointer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GL_GetProcAddress'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GL_GetProcAddress} + +{ Set an attribute of the OpenGL subsystem before intialization. } +function SDL_GL_SetAttribute(attr: TSDL_GLAttr; value: Integer) : Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GL_SetAttribute'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GL_SetAttribute} + +{ Get an attribute of the OpenGL subsystem from the windowing + interface, such as glX. This is of course different from getting + the values from SDL's internal OpenGL subsystem, which only + stores the values you request before initialization. + + Developers should track the values they pass into SDL_GL_SetAttribute + themselves if they want to retrieve these values. } + +function SDL_GL_GetAttribute(attr: TSDL_GLAttr; var value: Integer): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GL_GetAttribute'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GL_GetAttribute} + +{ Swap the OpenGL buffers, if double-buffering is supported. } + +procedure SDL_GL_SwapBuffers; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GL_SwapBuffers'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GL_SwapBuffers;} + +{ Internal functions that should not be called unless you have read + and understood the source code for these functions. } + +procedure SDL_GL_UpdateRects(numrects: Integer; rects: PSDL_Rect); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GL_UpdateRects'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GL_UpdateRects} +procedure SDL_GL_Lock; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GL_Lock'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GL_Lock;} +procedure SDL_GL_Unlock; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GL_Unlock'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GL_Unlock;} + +{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *} +{* These functions allow interaction with the window manager, if any. *} +{* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *} + +{ Sets/Gets the title and icon text of the display window } +procedure SDL_WM_GetCaption(var title : PChar; var icon : PChar); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_WM_GetCaption'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_WM_GetCaption} +procedure SDL_WM_SetCaption( const title : PChar; const icon : PChar); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_WM_SetCaption'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_WM_SetCaption} + +{ Sets the icon for the display window. + This function must be called before the first call to SDL_SetVideoMode(). + It takes an icon surface, and a mask in MSB format. + If 'mask' is NULL, the entire icon surface will be used as the icon. } +procedure SDL_WM_SetIcon(icon: PSDL_Surface; mask: PUInt8); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_WM_SetIcon'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_WM_SetIcon} + +{ This function iconifies the window, and returns 1 if it succeeded. + If the function succeeds, it generates an SDL_APPACTIVE loss event. + This function is a noop and returns 0 in non-windowed environments. } + +function SDL_WM_IconifyWindow: Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_WM_IconifyWindow'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_WM_IconifyWindow} + +{ Toggle fullscreen mode without changing the contents of the screen. + If the display surface does not require locking before accessing + the pixel information, then the memory pointers will not change. + + If this function was able to toggle fullscreen mode (change from + running in a window to fullscreen, or vice-versa), it will return 1. + If it is not implemented, or fails, it returns 0. + + The next call to SDL_SetVideoMode() will set the mode fullscreen + attribute based on the flags parameter - if SDL_FULLSCREEN is not + set, then the display will be windowed by default where supported. + + This is currently only implemented in the X11 video driver. } + +function SDL_WM_ToggleFullScreen(surface: PSDL_Surface): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_WM_ToggleFullScreen'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_WM_ToggleFullScreen} + +{ Grabbing means that the mouse is confined to the application window, + and nearly all keyboard input is passed directly to the application, + and not interpreted by a window manager, if any. } + +function SDL_WM_GrabInput(mode: TSDL_GrabMode): TSDL_GrabMode; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_WM_GrabInput'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_WM_GrabInput} + +{------------------------------------------------------------------------------} +{ mouse-routines } +{------------------------------------------------------------------------------} + +{ Retrieve the current state of the mouse. + The current button state is returned as a button bitmask, which can + be tested using the SDL_BUTTON(X) macros, and x and y are set to the + current mouse cursor position. You can pass NULL for either x or y. } + +function SDL_GetMouseState(var x: Integer; var y: Integer): UInt8; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetMouseState'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetMouseState} + +{ Retrieve the current state of the mouse. + The current button state is returned as a button bitmask, which can + be tested using the SDL_BUTTON(X) macros, and x and y are set to the + mouse deltas since the last call to SDL_GetRelativeMouseState(). } +function SDL_GetRelativeMouseState(var x: Integer; var y: Integer): UInt8; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetRelativeMouseState'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetRelativeMouseState} + +{ Set the position of the mouse cursor (generates a mouse motion event) } +procedure SDL_WarpMouse(x, y: UInt16); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_WarpMouse'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_WarpMouse} + +{ Create a cursor using the specified data and mask (in MSB format). + The cursor width must be a multiple of 8 bits. + + The cursor is created in black and white according to the following: + data mask resulting pixel on screen + 0 1 White + 1 1 Black + 0 0 Transparent + 1 0 Inverted color if possible, black if not. + + Cursors created with this function must be freed with SDL_FreeCursor(). } +function SDL_CreateCursor(data, mask: PUInt8; w, h, hot_x, hot_y: Integer): PSDL_Cursor; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CreateCursor'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CreateCursor} + +{ Set the currently active cursor to the specified one. + If the cursor is currently visible, the change will be immediately + represented on the display. } +procedure SDL_SetCursor(cursor: PSDL_Cursor); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SetCursor'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SetCursor} + +{ Returns the currently active cursor. } +function SDL_GetCursor: PSDL_Cursor; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetCursor'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetCursor} + +{ Deallocates a cursor created with SDL_CreateCursor(). } +procedure SDL_FreeCursor(cursor: PSDL_Cursor); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_FreeCursor'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_FreeCursor} + +{ Toggle whether or not the cursor is shown on the screen. + The cursor start off displayed, but can be turned off. + SDL_ShowCursor() returns 1 if the cursor was being displayed + before the call, or 0 if it was not. You can query the current + state by passing a 'toggle' value of -1. } +function SDL_ShowCursor(toggle: Integer): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_ShowCursor'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_ShowCursor} + +function SDL_BUTTON( Button : Integer ) : Integer; + +{------------------------------------------------------------------------------} +{ Keyboard-routines } +{------------------------------------------------------------------------------} + +{ Enable/Disable UNICODE translation of keyboard input. + This translation has some overhead, so translation defaults off. + If 'enable' is 1, translation is enabled. + If 'enable' is 0, translation is disabled. + If 'enable' is -1, the translation state is not changed. + It returns the previous state of keyboard translation. } +function SDL_EnableUNICODE(enable: Integer): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_EnableUNICODE'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_EnableUNICODE} + +{ If 'delay' is set to 0, keyboard repeat is disabled. } +function SDL_EnableKeyRepeat(delay: Integer; interval: Integer): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_EnableKeyRepeat'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_EnableKeyRepeat} + +procedure SDL_GetKeyRepeat(delay : PInteger; interval: PInteger); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetKeyRepeat'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetKeyRepeat} + +{ Get a snapshot of the current state of the keyboard. + Returns an array of keystates, indexed by the SDLK_* syms. + Used: + + UInt8 *keystate = SDL_GetKeyState(NULL); + if ( keystate[SDLK_RETURN] ) ... <RETURN> is pressed } + +function SDL_GetKeyState(numkeys: PInt): PUInt8; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetKeyState'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetKeyState} + +{ Get the current key modifier state } +function SDL_GetModState: TSDLMod; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetModState'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetModState} + +{ Set the current key modifier state + This does not change the keyboard state, only the key modifier flags. } +procedure SDL_SetModState(modstate: TSDLMod); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SetModState'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SetModState} + +{ Get the name of an SDL virtual keysym } +function SDL_GetKeyName(key: TSDLKey): PChar; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetKeyName'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetKeyName} + +{------------------------------------------------------------------------------} +{ Active Routines } +{------------------------------------------------------------------------------} + +{ This function returns the current state of the application, which is a + bitwise combination of SDL_APPMOUSEFOCUS, SDL_APPINPUTFOCUS, and + SDL_APPACTIVE. If SDL_APPACTIVE is set, then the user is able to + see your application, otherwise it has been iconified or disabled. } + +function SDL_GetAppState: UInt8; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetAppState'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetAppState} + + +{ Mutex functions } + +{ Create a mutex, initialized unlocked } + +function SDL_CreateMutex: PSDL_Mutex; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CreateMutex'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CreateMutex} + +{ Lock the mutex (Returns 0, or -1 on error) } + + function SDL_mutexP(mutex: PSDL_mutex): Integer; + cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_mutexP'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{ $ EXTERNALSYM SDL_mutexP} + +function SDL_LockMutex(mutex: PSDL_mutex): Integer; +{$EXTERNALSYM SDL_LockMutex} + +{ Unlock the mutex (Returns 0, or -1 on error) } +function SDL_mutexV(mutex: PSDL_mutex): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_mutexV'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_mutexV} + +function SDL_UnlockMutex(mutex: PSDL_mutex): Integer; +{$EXTERNALSYM SDL_UnlockMutex} + +{ Destroy a mutex } +procedure SDL_DestroyMutex(mutex: PSDL_mutex); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_DestroyMutex'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_DestroyMutex} + +{ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * } +{ Semaphore functions } +{ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * } +{ Create a semaphore, initialized with value, returns NULL on failure. } +function SDL_CreateSemaphore(initial_value: UInt32): PSDL_Sem; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CreateSemaphore'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CreateSemaphore} + + +{ Destroy a semaphore } +procedure SDL_DestroySemaphore(sem: PSDL_sem); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_DestroySemaphore'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_DestroySemaphore} + +{ This function suspends the calling thread until the semaphore pointed + to by sem has a positive count. It then atomically decreases the semaphore + count. } + +function SDL_SemWait(sem: PSDL_sem): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SemWait'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SemWait} + +{ Non-blocking variant of SDL_SemWait(), returns 0 if the wait succeeds, + SDL_MUTEX_TIMEDOUT if the wait would block, and -1 on error. } + +function SDL_SemTryWait(sem: PSDL_sem): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SemTryWait'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SemTryWait} + +{ Variant of SDL_SemWait() with a timeout in milliseconds, returns 0 if + the wait succeeds, SDL_MUTEX_TIMEDOUT if the wait does not succeed in + the allotted time, and -1 on error. + On some platforms this function is implemented by looping with a delay + of 1 ms, and so should be avoided if possible. } + +function SDL_SemWaitTimeout(sem: PSDL_sem; ms: UInt32): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SemWaitTimeout'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SemTryWait} + +{ Atomically increases the semaphore's count (not blocking), returns 0, + or -1 on error. } + +function SDL_SemPost(sem: PSDL_sem): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SemPost'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SemTryWait} + +{ Returns the current count of the semaphore } + +function SDL_SemValue(sem: PSDL_sem): UInt32; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_SemValue'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_SemValue} + +{ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * } +{ Condition variable functions } +{ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * } +{ Create a condition variable } +function SDL_CreateCond: PSDL_Cond; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CreateCond'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CreateCond} + +{ Destroy a condition variable } +procedure SDL_DestroyCond(cond: PSDL_Cond); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_DestroyCond'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_DestroyCond} + +{ Restart one of the threads that are waiting on the condition variable, + returns 0 or -1 on error. } + +function SDL_CondSignal(cond: PSDL_cond): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CondSignal'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CondSignal} + +{ Restart all threads that are waiting on the condition variable, + returns 0 or -1 on error. } + +function SDL_CondBroadcast(cond: PSDL_cond): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CondBroadcast'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CondBroadcast} + + +{ Wait on the condition variable, unlocking the provided mutex. + The mutex must be locked before entering this function! + Returns 0 when it is signaled, or -1 on error. } + +function SDL_CondWait(cond: PSDL_cond; mut: PSDL_mutex): Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CondWait'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CondWait} + +{ Waits for at most 'ms' milliseconds, and returns 0 if the condition + variable is signaled, SDL_MUTEX_TIMEDOUT if the condition is not + signaled in the allotted time, and -1 on error. + On some platforms this function is implemented by looping with a delay + of 1 ms, and so should be avoided if possible. } + +function SDL_CondWaitTimeout(cond: PSDL_cond; mut: PSDL_mutex; ms: UInt32) : Integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CondWaitTimeout'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CondWaitTimeout} + +{ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * } +{ Condition variable functions } +{ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * } + +{ Create a thread } +function SDL_CreateThread(fn: PInt; data: Pointer): PSDL_Thread; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_CreateThread'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_CreateThread} + +{ Get the 32-bit thread identifier for the current thread } +function SDL_ThreadID: UInt32; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_ThreadID'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_ThreadID} + +{ Get the 32-bit thread identifier for the specified thread, + equivalent to SDL_ThreadID() if the specified thread is NULL. } +function SDL_GetThreadID(thread: PSDL_Thread): UInt32; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetThreadID'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetThreadID} + +{ Wait for a thread to finish. + The return code for the thread function is placed in the area + pointed to by 'status', if 'status' is not NULL. } + +procedure SDL_WaitThread(thread: PSDL_Thread; var status: Integer); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_WaitThread'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_WaitThread} + +{ Forcefully kill a thread without worrying about its state } +procedure SDL_KillThread(thread: PSDL_Thread); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_KillThread'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_KillThread} + +{------------------------------------------------------------------------------} +{ Get Environment Routines } +{------------------------------------------------------------------------------} +{$IFDEF WINDOWS} +function _putenv( const variable : Pchar ): integer; +cdecl; +{$ENDIF} + +{$IFDEF Unix} +{$IFDEF FPC} +function _putenv( const variable : Pchar ): integer; +cdecl; external 'libc.so' name 'putenv'; +{$ENDIF} +{$ENDIF} + +{ Put a variable of the form "name=value" into the environment } +//function SDL_putenv(const variable: PChar): integer; cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_Init'{$ELSE} SDLLibName{$ENDIF __GPC__}SDLLibName name ''; +function SDL_putenv(const variable: PChar): integer; +{$EXTERNALSYM SDL_putenv} + +// The following function has been commented out to encourage developers to use +// SDL_putenv as it it more portable +//function putenv(const variable: PChar): integer; +//{$EXTERNALSYM putenv} + +{$IFDEF WINDOWS} +{$IFNDEF __GPC__} +function getenv( const name : Pchar ): PChar; cdecl; +{$ENDIF} +{$ENDIF} + +{* Retrieve a variable named "name" from the environment } +//function SDL_getenv(const name: PChar): PChar; cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_Init'{$ELSE} SDLLibName{$ENDIF __GPC__}SDLLibName name ''; +function SDL_getenv(const name: PChar): PChar; +{$EXTERNALSYM SDL_getenv} + +// The following function has been commented out to encourage developers to use +// SDL_getenv as it it more portable +//function getenv(const name: PChar): PChar; +//{$EXTERNALSYM getenv} + +{* + * This function gives you custom hooks into the window manager information. + * It fills the structure pointed to by 'info' with custom information and + * returns 1 if the function is implemented. If it's not implemented, or + * the version member of the 'info' structure is invalid, it returns 0. + *} +function SDL_GetWMInfo(info : PSDL_SysWMinfo) : integer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_GetWMInfo'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_GetWMInfo} + +{------------------------------------------------------------------------------} + +//SDL_loadso.h +{* This function dynamically loads a shared object and returns a pointer + * to the object handle (or NULL if there was an error). + * The 'sofile' parameter is a system dependent name of the object file. + *} +function SDL_LoadObject( const sofile : PChar ) : Pointer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_LoadObject'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_LoadObject} + +{* Given an object handle, this function looks up the address of the + * named function in the shared object and returns it. This address + * is no longer valid after calling SDL_UnloadObject(). + *} +function SDL_LoadFunction( handle : Pointer; const name : PChar ) : Pointer; +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_LoadFunction'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_LoadFunction} + +{* Unload a shared object from memory *} +procedure SDL_UnloadObject( handle : Pointer ); +cdecl; external {$IFNDEF NDS}{$IFDEF __GPC__}name 'SDL_UnloadObject'{$ELSE} SDLLibName{$ENDIF __GPC__}{$ENDIF}; +{$EXTERNALSYM SDL_UnloadObject} + + + +{------------------------------------------------------------------------------} + +function SDL_Swap32(D: Uint32): Uint32; +{$EXTERNALSYM SDL_Swap32} + +{ FreeAndNil frees the given TObject instance and sets the variable reference + to nil. Be careful to only pass TObjects to this routine. } +procedure FreeAndNil(var Obj); + +{ Exit procedure handling } + +{ AddExitProc adds the given procedure to the run-time library's exit + procedure list. When an application terminates, its exit procedures are + executed in reverse order of definition, i.e. the last procedure passed + to AddExitProc is the first one to get executed upon termination. } +procedure AddExitProc(Proc: TProcedure); + +// Bitwise Checking functions +function IsBitOn( value : integer; bit : Byte ) : boolean; + +function TurnBitOn( value : integer; bit : Byte ) : integer; + +function TurnBitOff( value : integer; bit : Byte ) : integer; + +implementation + +{$IFDEF __GPC__} + {$L 'sdl'} { link sdl.dll.a or libsdl.so or libsdl.a } +{$ENDIF} + +function SDL_TABLESIZE(table: PChar): Integer; +begin + Result := SizeOf(table) div SizeOf(table[0]); +end; + +procedure SDL_OutOfMemory; +begin + {$IFNDEF WINDOWS} + SDL_Error(SDL_ENOMEM); + {$ENDIF} +end; + +function SDL_RWSeek(context: PSDL_RWops; offset: Integer; whence: Integer) : Integer; +begin + Result := context^.seek(context, offset, whence); +end; + +function SDL_RWTell(context: PSDL_RWops): Integer; +begin + Result := context^.seek(context, 0, 1); +end; + +function SDL_RWRead(context: PSDL_RWops; ptr: Pointer; size: Integer; n: Integer): Integer; +begin + Result := context^.read(context, ptr, size, n); +end; + +function SDL_RWWrite(context: PSDL_RWops; ptr: Pointer; size: Integer; n: Integer): Integer; +begin + Result := context^.write(context, ptr, size, n); +end; + +function SDL_RWClose(context: PSDL_RWops): Integer; +begin + Result := context^.close(context); +end; + +function SDL_LoadWAV(filename: PChar; spec: PSDL_AudioSpec; audio_buf: PUInt8; audiolen: PUInt32): PSDL_AudioSpec; +begin + Result := SDL_LoadWAV_RW(SDL_RWFromFile(filename, 'rb'), 1, spec, audio_buf, audiolen); +end; + +function SDL_CDInDrive( status : TSDL_CDStatus ): LongBool; +begin + Result := ord( status ) > ord( CD_ERROR ); +end; + +procedure FRAMES_TO_MSF(frames: Integer; var M: Integer; var S: Integer; var + F: Integer); +var + value: Integer; +begin + value := frames; + F := value mod CD_FPS; + value := value div CD_FPS; + S := value mod 60; + value := value div 60; + M := value; +end; + +function MSF_TO_FRAMES(M: Integer; S: Integer; F: Integer): Integer; +begin + Result := M * 60 * CD_FPS + S * CD_FPS + F; +end; + +procedure SDL_VERSION(var X: TSDL_Version); +begin + X.major := SDL_MAJOR_VERSION; + X.minor := SDL_MINOR_VERSION; + X.patch := SDL_PATCHLEVEL; +end; + +function SDL_VERSIONNUM(X, Y, Z: Integer): Integer; +begin + Result := X * 1000 + Y * 100 + Z; +end; + +function SDL_COMPILEDVERSION: Integer; +begin + Result := SDL_VERSIONNUM(SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL + ); +end; + +function SDL_VERSION_ATLEAST(X, Y, Z: Integer): LongBool; +begin + Result := (SDL_COMPILEDVERSION >= SDL_VERSIONNUM(X, Y, Z)); +end; + +function SDL_LoadBMP(filename: PChar): PSDL_Surface; +begin + Result := SDL_LoadBMP_RW(SDL_RWFromFile(filename, 'rb'), 1); +end; + +function SDL_SaveBMP(surface: PSDL_Surface; filename: PChar): Integer; +begin + Result := SDL_SaveBMP_RW(surface, SDL_RWFromFile(filename, 'wb'), 1); +end; + +function SDL_BlitSurface(src: PSDL_Surface; srcrect: PSDL_Rect; dst: + PSDL_Surface; + dstrect: PSDL_Rect): Integer; +begin + Result := SDL_UpperBlit(src, srcrect, dst, dstrect); +end; + +function SDL_AllocSurface(flags: UInt32; width, height, depth: Integer; + RMask, GMask, BMask, AMask: UInt32): PSDL_Surface; +begin + Result := SDL_CreateRGBSurface(flags, width, height, depth, RMask, GMask, + BMask, AMask); +end; + +function SDL_MustLock(Surface: PSDL_Surface): Boolean; +begin + Result := ( ( surface^.offset <> 0 ) or + ( ( surface^.flags and ( SDL_HWSURFACE or SDL_ASYNCBLIT or SDL_RLEACCEL ) ) <> 0 ) ); +end; + +function SDL_LockMutex(mutex: PSDL_mutex): Integer; +begin + Result := SDL_mutexP(mutex); +end; + +function SDL_UnlockMutex(mutex: PSDL_mutex): Integer; +begin + Result := SDL_mutexV(mutex); +end; + +{$IFDEF WINDOWS} +function _putenv( const variable : Pchar ): Integer; +cdecl; external {$IFDEF __GPC__}name '_putenv'{$ELSE} 'MSVCRT.DLL'{$ENDIF __GPC__}; +{$ENDIF} + + +function SDL_putenv(const variable: PChar): Integer; +begin + {$IFDEF WINDOWS} + Result := _putenv(variable); + {$ENDIF} + + {$IFDEF UNIX} + {$IFDEF FPC} + Result := _putenv(variable); + {$ELSE} + Result := libc.putenv(variable); + {$ENDIF} + {$ENDIF} +end; + +{$IFDEF WINDOWS} +{$IFNDEF __GPC__} +function getenv( const name : Pchar ): PChar; +cdecl; external {$IFDEF __GPC__}name 'getenv'{$ELSE} 'MSVCRT.DLL'{$ENDIF}; +{$ENDIF} +{$ENDIF} + +function SDL_getenv(const name: PChar): PChar; +begin + {$IFDEF WINDOWS} + + {$IFDEF __GPC__} + Result := getenv( string( name ) ); + {$ELSE} + Result := getenv( name ); + {$ENDIF} + + {$ELSE} + + {$IFDEF UNIX} + + {$IFDEF FPC} + Result := fpgetenv(name); + {$ELSE} + Result := libc.getenv(name); + {$ENDIF} + + {$ENDIF} + + {$ENDIF} +end; + +function SDL_BUTTON( Button : Integer ) : Integer; +begin + Result := SDL_PRESSED shl ( Button - 1 ); +end; + +function SDL_Swap32(D: Uint32): Uint32; +begin + Result := ((D shl 24) or ((D shl 8) and $00FF0000) or ((D shr 8) and $0000FF00) or (D shr 24)); +end; + +procedure FreeAndNil(var Obj); +{$IFNDEF __GPC__} +{$IFNDEF __TMT__} +var + Temp: TObject; +{$ENDIF} +{$ENDIF} +begin +{$IFNDEF __GPC__} +{$IFNDEF __TMT__} + Temp := TObject(Obj); + Pointer(Obj) := nil; + Temp.Free; +{$ENDIF} +{$ENDIF} +end; + +{ Exit procedure handling } +type + PExitProcInfo = ^TExitProcInfo; + TExitProcInfo = record + Next: PExitProcInfo; + SaveExit: Pointer; + Proc: TProcedure; + end; + +var + ExitProcList: PExitProcInfo = nil; + +procedure DoExitProc; +var + P: PExitProcInfo; + Proc: TProcedure; +begin + P := ExitProcList; + ExitProcList := P^.Next; + ExitProc := P^.SaveExit; + Proc := P^.Proc; + Dispose(P); + Proc; +end; + +procedure AddExitProc(Proc: TProcedure); +var + P: PExitProcInfo; +begin + New(P); + P^.Next := ExitProcList; + P^.SaveExit := ExitProc; + P^.Proc := Proc; + ExitProcList := P; + ExitProc := @DoExitProc; +end; + +function IsBitOn( value : integer; bit : Byte ) : boolean; +begin + result := ( ( value and ( 1 shl bit ) ) <> 0 ); +end; + +function TurnBitOn( value : integer; bit : Byte ) : integer; +begin + result := ( value or ( 1 shl bit ) ); +end; + +function TurnBitOff( value : integer; bit : Byte ) : integer; +begin + result := ( value and not ( 1 shl bit ) ); +end; + +end. + + |