diff options
Diffstat (limited to 'Game/Code/lib/JEDI-SDLv1.0/SDL/Pas/sdlstreams.pas')
| -rw-r--r-- | Game/Code/lib/JEDI-SDLv1.0/SDL/Pas/sdlstreams.pas | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/Game/Code/lib/JEDI-SDLv1.0/SDL/Pas/sdlstreams.pas b/Game/Code/lib/JEDI-SDLv1.0/SDL/Pas/sdlstreams.pas deleted file mode 100644 index 64009176..00000000 --- a/Game/Code/lib/JEDI-SDLv1.0/SDL/Pas/sdlstreams.pas +++ /dev/null @@ -1,216 +0,0 @@ -unit sdlstreams;
-{
- $Id: sdlstreams.pas,v 1.1 2004/02/05 00:08:20 savage Exp $
-
-}
-{******************************************************************}
-{ }
-{ SDL - Simple DirectMedia Layer }
-{ Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga }
-{ }
-{ Portions created by Chris Bruner are }
-{ Copyright (C) 2002 Chris Bruner. }
-{ }
-{ Contributor(s) }
-{ -------------- }
-{ }
-{ }
-{ 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/NPL/NPL-1_1Final.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 }
-{ ----------- }
-{ Shows how to use OpenGL to do 2D and 3D with the SDL libraries }
-{ }
-{ }
-{ Requires }
-{ -------- }
-{ SDL runtime libary somewhere in your path }
-{ The Latest SDL runtime can be found on http://www.libsdl.org }
-{ }
-{ Programming Notes }
-{ ----------------- }
-{ }
-{ }
-{ }
-{ }
-{ }
-{ Revision History }
-{ ---------------- }
-{ January 11 2002 - CB : Software embraced and extended by }
-{ Chris Bruner of Crystal Software }
-{ (Canada) Inc. }
-{ }
-{ February 11 2002 - DL : Added FreePascal support as suggested }
-{ by "QuePasha Pepe" <mrkroket@hotmail.com> }
-{ }
-{******************************************************************}
-{
- $Log: sdlstreams.pas,v $
- Revision 1.1 2004/02/05 00:08:20 savage
- Module 1.0 release
-
-
-}
-
-{$i jedi-sdl.inc}
-
-interface
-
-uses
- Classes,
- SysUtils,
- sdl,
- sdlutils;
-
-{$IFDEF FPC}
-type
- EinvalidContainer=class(Exception);
- {$ENDIF}
-
-function LoadSDLBMPFromStream( Stream : TStream ) : PSDL_Surface;
-procedure SaveSDLBMPToStream( SDL_Surface : PSDL_Surface; stream : TStream );
-function SDL_Swap16( D : UInt16 ) : Uint16;
-function SDL_Swap32( D : UInt32 ) : Uint32;
-function SDLStreamSetup( stream : TStream ) : PSDL_RWops;
-// this only closes the SDL_RWops part of the stream, not the stream itself
-procedure SDLStreamCloseRWops( SDL_RWops : PSDL_RWops );
-
-implementation
-
-function SDL_Swap16( D : UInt16 ) : Uint16;
-begin
- Result := ( D shl 8 ) or ( D shr 8 );
-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;
-
-(*function SDL_Swap64(D : UInt64) : Uint64;
-var hi,lo : Uint32;
-begin
- // Separate into high and low 32-bit resultues and swap them
- lo := Uint32(D and $0FFFFFFFF); // bloody pascal is too tight in it's type checking!
- D := D shr 32;
- hi = Uint32((D and $FFFFFFFF));
- result = SDL_Swap32(lo);
- result := result shl 32;
- result := result or SDL_Swap32(hi);
-end;
-*)
-
-function SdlStreamSeek( context : PSDL_RWops; offset : Integer; whence : Integer ) : integer; cdecl;
-var
- stream : TStream;
- origin : Word;
-begin
- stream := TStream( context.unknown );
- if ( stream = nil ) then
- raise EInvalidContainer.Create( 'SDLStreamSeek on nil' );
- case whence of
- 0 : origin := soFromBeginning; // Offset is from the beginning of the resource. Seek moves to the position Offset. Offset must be >= 0.
- 1 : origin := soFromCurrent; // Offset is from the current position in the resource. Seek moves to Position + Offset.
- 2 : origin := soFromEnd;
- else
- origin := soFromBeginning; // just in case
- end;
- Result := stream.Seek( offset, origin );
-end;
-
-function SDLStreamWrite( context : PSDL_RWops; Ptr : Pointer;
- size : Integer; num : Integer ) : Integer; cdecl;
-var
- stream : TStream;
-begin
- stream := TStream( context.unknown );
- if ( stream = nil ) then
- raise EInvalidContainer.Create( 'SDLStreamWrite on nil' );
- try
- Result := stream.Write( Ptr^, Size * num ) div size;
- except
- Result := -1;
- end;
-end;
-
-function SdlStreamRead( context : PSDL_RWops; Ptr : Pointer; size : Integer; maxnum
- : Integer ) : Integer; cdecl;
-var
- stream : TStream;
-begin
- stream := TStream( context.unknown );
- if ( stream = nil ) then
- raise EInvalidContainer.Create( 'SDLStreamRead on nil' );
- try
- Result := stream.read( Ptr^, Size * maxnum ) div size;
- except
- Result := -1;
- end;
-end;
-
-function SDLStreamClose( context : PSDL_RWops ) : Integer; cdecl;
-var
- stream : TStream;
-begin
- stream := TStream( context.unknown );
- if ( stream = nil ) then
- raise EInvalidContainer.Create( 'SDLStreamClose on nil' );
- stream.Free;
- Result := 1;
-end;
-
-function SDLStreamSetup( stream : TStream ) : PSDL_RWops;
-begin
- result := SDL_AllocRW;
- if ( result = nil ) then
- raise EInvalidContainer.Create( 'could not create SDLStream on nil' );
- result.unknown := TUnknown( stream );
- result.seek := SDLStreamSeek;
- result.read := SDLStreamRead;
- result.write := SDLStreamWrite;
- result.close := SDLStreamClose;
- Result.type_ := 2; // TUnknown
-end;
-
-// this only closes the SDL part of the stream, not the context
-
-procedure SDLStreamCloseRWops( SDL_RWops : PSDL_RWops );
-begin
- SDL_FreeRW( SDL_RWops );
-end;
-
-function LoadSDLBMPFromStream( stream : TStream ) : PSDL_Surface;
-var
- SDL_RWops : PSDL_RWops;
-begin
- SDL_RWops := SDLStreamSetup( stream );
- result := SDL_LoadBMP_RW( SDL_RWops, 0 );
- SDLStreamCloseRWops( SDL_RWops );
-end;
-
-procedure SaveSDLBMPToStream( SDL_Surface : PSDL_Surface; stream : TStream );
-var
- SDL_RWops : PSDL_RWops;
-begin
- SDL_RWops := SDLStreamSetup( stream );
- SDL_SaveBMP_RW( SDL_Surface, SDL_RWops, 0 );
- SDLStreamCloseRWops( SDL_RWops );
-end;
-
-end.
-
|