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-rw-r--r--Game/Code/lib/JEDI-SDL/SDL_ttf/Pas/sdltruetypefont.pas1130
1 files changed, 565 insertions, 565 deletions
diff --git a/Game/Code/lib/JEDI-SDL/SDL_ttf/Pas/sdltruetypefont.pas b/Game/Code/lib/JEDI-SDL/SDL_ttf/Pas/sdltruetypefont.pas
index a0f25e12..a457c1d9 100644
--- a/Game/Code/lib/JEDI-SDL/SDL_ttf/Pas/sdltruetypefont.pas
+++ b/Game/Code/lib/JEDI-SDL/SDL_ttf/Pas/sdltruetypefont.pas
@@ -1,565 +1,565 @@
-unit sdltruetypefont;
-{
- $Id: sdltruetypefont.pas,v 1.5 2005/05/26 21:22:28 savage Exp $
-
-}
-{******************************************************************************}
-{ }
-{ JEDI-SDL : Pascal units for SDL - Simple DirectMedia Layer }
-{ Wrapper class for SDL_ttf }
-{ }
-{ The initial developer of this Pascal code was : }
-{ Dominqiue Louis <Dominique@SavageSoftware.com.au> }
-{ }
-{ Portions created by Dominqiue Louis are }
-{ Copyright (C) 2000 - 2001 Dominqiue Louis. }
-{ }
-{ }
-{ 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/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 }
-{ ---------------- }
-{ September 23 2004 - DL : Initial Creation }
-{
- $Log: sdltruetypefont.pas,v $
- Revision 1.5 2005/05/26 21:22:28 savage
- Update to Input code.
-
- Revision 1.1 2005/05/25 23:15:42 savage
- Latest Changes
-
- Revision 1.4 2005/05/25 22:55:01 savage
- Added InputRect support.
-
- Revision 1.3 2005/05/13 14:02:49 savage
- Made it use UniCode rendering by default.
-
- Revision 1.2 2005/05/13 11:37:52 savage
- Improved wordwrapping algorithm
-
- Revision 1.1 2004/09/30 22:39:50 savage
- Added a true type font class which contains a wrap text function.
- Changed the sdl_ttf.pas header to reflect the future of jedi-sdl.
-
-
-}
-{******************************************************************************}
-
-interface
-
-uses
- sdl,
- sdl_ttf;
-
-type
- TRenderType = ( rtLatin1, rtUTF8, rtUnicode );
- TSDLFontStyle = ( fsBold, fsItalic, fsUnderline, fsStrikeOut );
-
- TSDLFontStyles = set of TSDLFontStyle;
-
- TTrueTypeFont = class( TObject )
- private
- FFont : PTTF_Font;
- FSolid : Boolean;
- FBackGroundColour : TSDL_Color;
- FForeGroundColour : TSDL_Color;
- FRenderType : TRenderType;
- FStyle : TSDLFontStyles;
- FFontFile : string;
- FFontSize : integer;
- procedure PrepareFont;
-
- protected
-
- public
- constructor Create( aFontFile : string; aRenderStyle : TSDLFontStyles = [ ]; aFontSize : integer = 14 );
- destructor Destroy; override;
- function DrawText( aText : WideString ) : PSDL_Surface; overload;
- function DrawText( aText : WideString; aWidth, aHeight : Integer ) : PSDL_Surface; overload;
- function Input(aDestination: PSDL_Surface; aX, aY, aWidth, aHeight: integer; var aText: string; aMaxChars: integer = 10 ): PSDL_Surface;
- property BackGroundColour : TSDL_Color read FBackGroundColour write FBackGroundColour;
- property ForeGroundColour : TSDL_Color read FForeGroundColour write FForeGroundColour;
- property FontFile : string read FFontFile write FFontFile;
- property RenderType : TRenderType read FRenderType write FRenderType;
- property Solid : Boolean read FSolid write FSolid;
- property Style : TSDLFontStyles read FStyle write FStyle;
- property FontSize : integer read FFontSize write FFontSize;
- end;
-
-
-implementation
-
-uses
- SysUtils;
-
-{ TTrueTypeFont }
-
-constructor TTrueTypeFont.Create( aFontFile : string; aRenderStyle : TSDLFontStyles; aFontSize : integer );
-begin
- inherited Create;
- if FileExists( aFontFile ) then
- begin
- FStyle := aRenderStyle;
- FFontSize := aFontSize;
- FSolid := false;
- FBackGroundColour.r := 255;
- FBackGroundColour.g := 255;
- FBackGroundColour.b := 255;
- FForeGroundColour.r := 0;
- FForeGroundColour.g := 0;
- FForeGroundColour.b := 0;
- FRenderType := rtUnicode;
- if ( TTF_Init >= 0 ) then
- begin
- FFontFile := aFontFile;
- end
- else
- raise Exception.Create( 'Failed to Initialiase SDL_TTF' );
- end
- else
- raise Exception.Create( 'Font File does not exist' );
-end;
-
-destructor TTrueTypeFont.Destroy;
-begin
- if FFont <> nil then
- TTF_CloseFont( FFont );
- TTF_Quit;
- inherited;
-end;
-
-function TTrueTypeFont.DrawText( aText : WideString ) : PSDL_Surface;
-begin
- PrepareFont;
-
- result := nil;
-
- case FRenderType of
- rtLatin1 :
- begin
- if ( FSolid ) then
- begin
- result := TTF_RenderText_Solid( FFont, PChar( string( aText ) ), FForeGroundColour );
- end
- else
- begin
- result := TTF_RenderText_Shaded( FFont, PChar( string( aText ) ), FForeGroundColour, FBackGroundColour );
- end;
- end;
-
- rtUTF8 :
- begin
- if ( FSolid ) then
- begin
- result := TTF_RenderUTF8_Solid( FFont, PChar( string( aText ) ), FForeGroundColour );
- end
- else
- begin
- result := TTF_RenderUTF8_Shaded( FFont, PChar( string( aText ) ), FForeGroundColour, FBackGroundColour );
- end;
- end;
-
- rtUnicode :
- begin
- if ( FSolid ) then
- begin
- result := TTF_RenderUNICODE_Solid( FFont, PUInt16( aText ), FForeGroundColour );
- end
- else
- begin
- result := TTF_RenderUNICODE_Shaded( FFont, PUInt16( aText ), FForeGroundColour, FBackGroundColour );
- end;
- end;
- end;
-end;
-
-function TTrueTypeFont.DrawText( aText : WideString; aWidth, aHeight : Integer ) : PSDL_Surface;
-var
- textw, texth, i, yPos : integer;
- strChopped : WideString;
- SurfaceList : array of PSDL_Surface;
- strlist : array of WideString;
- ReturnedSurface : PSDL_Surface;
- BltRect : TSDL_Rect;
-begin
- PrepareFont;
-
- // Do an initial check to see if it already fits
- case FRenderType of
- rtLatin1 :
- begin
- if TTF_SizeText( FFont, PChar( string( aText ) ), textw, texth ) = 0 then
- begin
- if ( textw < aWidth )
- and ( texth < aHeight ) then
- begin
- result := DrawText( aText );
- exit;
- end
- end;
- end;
-
- rtUTF8 :
- begin
- if TTF_SizeUTF8( FFont, PChar( string( aText ) ), textw, texth ) = 0 then
- begin
- if ( textw < aWidth )
- and ( texth < aHeight ) then
- begin
- result := DrawText( aText );
- exit;
- end
- end;
- end;
-
- rtUnicode :
- begin
- if TTF_SizeUNICODE( FFont, PUInt16( aText ), textw, texth ) = 0 then
- begin
- if ( textw < aWidth )
- and ( texth < aHeight ) then
- begin
- result := DrawText( aText );
- exit;
- end
- end;
- end;
- end;
-
- // Create the Surface we will be returning
- ReturnedSurface := SDL_DisplayFormat( SDL_CreateRGBSurface( SDL_SRCCOLORKEY or SDL_RLEACCEL or SDL_HWACCEL, aWidth, aHeight, 16, 0, 0, 0, 0 ) );
-
- // If we are still here there is some serious parsing to do
- case FRenderType of
- rtLatin1 :
- begin
- strChopped := aText;
- i := Length( strChopped );
- while ( i <> 0 ) do
- begin
- if ( string( strChopped[ i ] ) <> ' ' ) and ( Integer( string( strChopped[ i ] ) ) <> 13 ) then
- dec( i )
- else
- begin
- dec( i );
- if TTF_SizeText( FFont, PChar( string( Copy( strChopped, 0, i ) ) ), textw, texth ) = 0 then
- begin
- if ( textw < aWidth )
- and ( texth < aHeight ) then
- begin
- SetLength( strlist, Length( strlist ) + 1 );
- strlist[ Length( strlist ) - 1 ] := Copy( strChopped, 0, i );
- strChopped := Copy( strChopped, i + 2, Length( strChopped ) - ( i - 1 ) );
- i := Length( strChopped );
- if TTF_SizeText( FFont, PChar( string( strChopped ) ), textw, texth ) = 0 then
- begin
- if ( textw < aWidth )
- and ( texth < aHeight ) then
- begin
- SetLength( strlist, Length( strlist ) + 1 );
- strlist[ Length( strlist ) - 1 ] := Copy( strChopped, 0, i );
- strChopped := Copy( strChopped, i + 2, Length( strChopped ) - ( i - 1 ) );
- i := Length( strChopped );
- end;
- end;
- end;
- end;
- end;
- end;
-
- SetLength( SurfaceList, Length( strlist ) );
- for i := Low( strlist ) to High( strlist ) do
- begin
- if ( FSolid ) then
- begin
- SurfaceList[ i ] := TTF_RenderText_Solid( FFont, PChar( string( strlist[ i ] ) ), FForeGroundColour );
- end
- else
- begin
- SurfaceList[ i ] := TTF_RenderText_Shaded( FFont, PChar( string( strlist[ i ] ) ), FForeGroundColour, FBackGroundColour );
- end;
- end;
- end;
-
- rtUTF8 :
- begin
- strChopped := aText;
- i := Length( strChopped );
- while ( i <> 0 ) do
- begin
- if ( string( strChopped[ i ] ) <> ' ' ) and ( Integer( string( strChopped[ i ] ) ) <> 13 ) then
- dec( i )
- else
- begin
- dec( i );
- if TTF_SizeUTF8( FFont, PChar( string( Copy( strChopped, 0, i ) ) ), textw, texth ) = 0 then
- begin
- if ( textw < aWidth )
- and ( texth < aHeight ) then
- begin
- SetLength( strlist, Length( strlist ) + 1 );
- strlist[ Length( strlist ) - 1 ] := Copy( strChopped, 0, i );
- strChopped := Copy( strChopped, i + 2, Length( strChopped ) - ( i - 1 ) );
- i := Length( strChopped );
- if TTF_SizeUTF8( FFont, PChar( string( strChopped ) ), textw, texth ) = 0 then
- begin
- if ( textw < aWidth )
- and ( texth < aHeight ) then
- begin
- SetLength( strlist, Length( strlist ) + 1 );
- strlist[ Length( strlist ) - 1 ] := Copy( strChopped, 0, i );
- strChopped := Copy( strChopped, i + 2, Length( strChopped ) - ( i - 1 ) );
- i := Length( strChopped );
- end;
- end;
- end;
- end;
- end;
- end;
-
- SetLength( SurfaceList, Length( strlist ) );
- for i := Low( strlist ) to High( strlist ) do
- begin
- if ( FSolid ) then
- begin
- SurfaceList[ i ] := TTF_RenderUTF8_Solid( FFont, PChar( string( strlist[ i ] ) ), FForeGroundColour );
- end
- else
- begin
- SurfaceList[ i ] := TTF_RenderUTF8_Shaded( FFont, PChar( string( strlist[ i ] ) ), FForeGroundColour, FBackGroundColour );
- end;
- end;
- end;
-
- rtUnicode :
- begin
- strChopped := aText;
- i := Length( strChopped );
- while ( i <> 0 ) do
- begin
- if ( string( strChopped[ i ] ) <> ' ' ) and ( Integer( string( strChopped[ i ] ) ) <> 13 ) then
- dec( i )
- else
- begin
- dec( i );
- if TTF_SizeUNICODE( FFont, PUInt16( Copy( strChopped, 0, i ) ), textw, texth ) = 0 then
- begin
- if ( textw < aWidth )
- and ( texth < aHeight ) then
- begin
- SetLength( strlist, Length( strlist ) + 1 );
- strlist[ Length( strlist ) - 1 ] := Copy( strChopped, 0, i );
- strChopped := Copy( strChopped, i + 2, Length( strChopped ) - ( i - 1 ) );
- i := Length( strChopped );
- if TTF_SizeUNICODE( FFont, PUInt16( strChopped ), textw, texth ) = 0 then
- begin
- if ( textw < aWidth )
- and ( texth < aHeight ) then
- begin
- SetLength( strlist, Length( strlist ) + 1 );
- strlist[ Length( strlist ) - 1 ] := Copy( strChopped, 0, i );
- strChopped := Copy( strChopped, i + 2, Length( strChopped ) - ( i - 1 ) );
- i := Length( strChopped );
- end;
- end;
- end;
- end;
- end;
- end;
- SetLength( SurfaceList, Length( strlist ) );
- for i := Low( strlist ) to High( strlist ) do
- begin
- if ( FSolid ) then
- begin
- SurfaceList[ i ] := TTF_RenderUNICODE_Solid( FFont, PUInt16( strlist[ i ] ), FForeGroundColour );
- end
- else
- begin
- SurfaceList[ i ] := TTF_RenderUNICODE_Shaded( FFont, PUInt16( strlist[ i ] ), FForeGroundColour, FBackGroundColour );
- end;
- end;
- end;
- end;
-
- // Now Draw the SurfaceList onto the resulting Surface
- yPos := 6;
- for i := Low( SurfaceList ) to High( SurfaceList ) do
- begin
- BltRect.x := 6;
- BltRect.y := yPos;
- BltRect.w := SurfaceList[ i ].w;
- BltRect.h := SurfaceList[ i ].h;
- SDL_BlitSurface( SurfaceList[ i ], nil, ReturnedSurface, @BltRect );
- yPos := yPos + TTF_FontHeight( FFont );
- end;
- result := ReturnedSurface;
-
- for i := Low( SurfaceList ) to High( SurfaceList ) do
- begin
- SDL_FreeSurface( SurfaceList[ i ] );
- end;
- SetLength( SurfaceList, 0 );
- SetLength( strlist, 0 );
-end;
-
-function TTrueTypeFont.Input(aDestination: PSDL_Surface; aX, aY, aWidth: integer; aHeight : integer; var aText : string; aMaxChars: integer): PSDL_Surface;
-var
- event : TSDL_Event;
- ch : integer;
-
- BackSurface, TextSurface : PSDL_Surface;
- rect : SDL_Rect;
- textw, texth : integer;
- Done : boolean;
- PassedInText : string;
-begin
- PassedInText := aText;
-
- BackSurface := SDL_AllocSurface( aDestination.flags,
- aDestination.w,
- aDestination.h,
- aDestination.format.BitsPerPixel,
- aDestination.format.Rmask,
- aDestination.format.Gmask,
- aDestination.format.Bmask, 0 );
-
- rect.x := aX;
- rect.y := aY;
- rect.w := aWidth;
- rect.h := aHeight;
-
- SDL_BlitSurface( aDestination, nil, BackSurface, nil );
- SDL_FillRect( BackSurface, @rect, SDL_MapRGB( aDestination.format, 0, 0, 0 ) );
-
- TextSurface := DrawText( aText + '|' );
-
- // start input
- SDL_EnableUNICODE( 1 );
- Done := false;
- while ( not Done ) and ( SDL_WaitEvent( @event ) > 0 ) do
- begin
- if event.type_ = SDL_KEYDOWN then
- begin
- ch := event.key.keysym.unicode;
- case ch of
- SDLK_RETURN :
- begin
- Done := true;
- end;
-
- SDLK_ESCAPE :
- begin
- aText := PassedInText;
- Done := true;
- end;
-
- SDLK_BACKSPACE :
- begin
- if ( Length( aText ) > 0 ) then
- begin
- aText := Copy( aText, 0, Length( aText ) - 1 );
- if TextSurface <> nil then
- SDL_FreeSurface( TextSurface );
- TextSurface := DrawText( aText + '|' );
- end;
- end;
- else
- begin
- if Length( aText ) < aMaxChars then
- begin
- if ( chr( ch ) <> '' ) then
- begin
- aText := aText + chr( ch );
-
- if ( aText <> '' )
- and ( TTF_SizeUNICODE( FFont, PUInt16( aText ), textw, texth ) = 0 ) then
- begin
- if ( textw > aWidth ) then
- aText := Copy( aText, 0, Length( aText ) - 1 );
- end;
-
- if TextSurface <> nil then
- SDL_FreeSurface( TextSurface );
- TextSurface := DrawText( aText + '|' );
- end;
- end;
- end;
- end;
- end;
- SDL_BlitSurface( BackSurface, nil, aDestination, nil );
- SDL_BlitSurface( TextSurface, nil, aDestination, @rect );
- SDL_Flip( aDestination );
- end;
-
- if TextSurface <> nil then
- SDL_FreeSurface( TextSurface );
- if aText <> '' then
- TextSurface := DrawText( aText );
- SDL_FreeSurface( BackSurface );
- result := TextSurface;
-end;
-
-procedure TTrueTypeFont.PrepareFont;
-var
- renderstyle : integer;
-begin
- if FFont <> nil then
- TTF_CloseFont( FFont );
-
- FFont := TTF_OpenFont( PChar( FFontFile ), FFontSize );
-
- renderstyle := TTF_STYLE_NORMAL;
- if ( fsBold in FStyle ) then
- renderstyle := renderstyle or TTF_STYLE_BOLD;
-
- if ( fsItalic in FStyle ) then
- renderstyle := renderstyle or TTF_STYLE_ITALIC;
-
- if ( fsUnderline in FStyle ) then
- renderstyle := renderstyle or TTF_STYLE_UNDERLINE;
-
- TTF_SetFontStyle( FFont, renderstyle );
-end;
-
-end.
-
+unit sdltruetypefont;
+{
+ $Id: sdltruetypefont.pas,v 1.5 2005/05/26 21:22:28 savage Exp $
+
+}
+{******************************************************************************}
+{ }
+{ JEDI-SDL : Pascal units for SDL - Simple DirectMedia Layer }
+{ Wrapper class for SDL_ttf }
+{ }
+{ The initial developer of this Pascal code was : }
+{ Dominqiue Louis <Dominique@SavageSoftware.com.au> }
+{ }
+{ Portions created by Dominqiue Louis are }
+{ Copyright (C) 2000 - 2001 Dominqiue Louis. }
+{ }
+{ }
+{ 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/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 }
+{ ---------------- }
+{ September 23 2004 - DL : Initial Creation }
+{
+ $Log: sdltruetypefont.pas,v $
+ Revision 1.5 2005/05/26 21:22:28 savage
+ Update to Input code.
+
+ Revision 1.1 2005/05/25 23:15:42 savage
+ Latest Changes
+
+ Revision 1.4 2005/05/25 22:55:01 savage
+ Added InputRect support.
+
+ Revision 1.3 2005/05/13 14:02:49 savage
+ Made it use UniCode rendering by default.
+
+ Revision 1.2 2005/05/13 11:37:52 savage
+ Improved wordwrapping algorithm
+
+ Revision 1.1 2004/09/30 22:39:50 savage
+ Added a true type font class which contains a wrap text function.
+ Changed the sdl_ttf.pas header to reflect the future of jedi-sdl.
+
+
+}
+{******************************************************************************}
+
+interface
+
+uses
+ sdl,
+ sdl_ttf;
+
+type
+ TRenderType = ( rtLatin1, rtUTF8, rtUnicode );
+ TSDLFontStyle = ( fsBold, fsItalic, fsUnderline, fsStrikeOut );
+
+ TSDLFontStyles = set of TSDLFontStyle;
+
+ TTrueTypeFont = class( TObject )
+ private
+ FFont : PTTF_Font;
+ FSolid : Boolean;
+ FBackGroundColour : TSDL_Color;
+ FForeGroundColour : TSDL_Color;
+ FRenderType : TRenderType;
+ FStyle : TSDLFontStyles;
+ FFontFile : string;
+ FFontSize : integer;
+ procedure PrepareFont;
+
+ protected
+
+ public
+ constructor Create( aFontFile : string; aRenderStyle : TSDLFontStyles = [ ]; aFontSize : integer = 14 );
+ destructor Destroy; override;
+ function DrawText( aText : WideString ) : PSDL_Surface; overload;
+ function DrawText( aText : WideString; aWidth, aHeight : Integer ) : PSDL_Surface; overload;
+ function Input(aDestination: PSDL_Surface; aX, aY, aWidth, aHeight: integer; var aText: string; aMaxChars: integer = 10 ): PSDL_Surface;
+ property BackGroundColour : TSDL_Color read FBackGroundColour write FBackGroundColour;
+ property ForeGroundColour : TSDL_Color read FForeGroundColour write FForeGroundColour;
+ property FontFile : string read FFontFile write FFontFile;
+ property RenderType : TRenderType read FRenderType write FRenderType;
+ property Solid : Boolean read FSolid write FSolid;
+ property Style : TSDLFontStyles read FStyle write FStyle;
+ property FontSize : integer read FFontSize write FFontSize;
+ end;
+
+
+implementation
+
+uses
+ SysUtils;
+
+{ TTrueTypeFont }
+
+constructor TTrueTypeFont.Create( aFontFile : string; aRenderStyle : TSDLFontStyles; aFontSize : integer );
+begin
+ inherited Create;
+ if FileExists( aFontFile ) then
+ begin
+ FStyle := aRenderStyle;
+ FFontSize := aFontSize;
+ FSolid := false;
+ FBackGroundColour.r := 255;
+ FBackGroundColour.g := 255;
+ FBackGroundColour.b := 255;
+ FForeGroundColour.r := 0;
+ FForeGroundColour.g := 0;
+ FForeGroundColour.b := 0;
+ FRenderType := rtUnicode;
+ if ( TTF_Init >= 0 ) then
+ begin
+ FFontFile := aFontFile;
+ end
+ else
+ raise Exception.Create( 'Failed to Initialiase SDL_TTF' );
+ end
+ else
+ raise Exception.Create( 'Font File does not exist' );
+end;
+
+destructor TTrueTypeFont.Destroy;
+begin
+ if FFont <> nil then
+ TTF_CloseFont( FFont );
+ TTF_Quit;
+ inherited;
+end;
+
+function TTrueTypeFont.DrawText( aText : WideString ) : PSDL_Surface;
+begin
+ PrepareFont;
+
+ result := nil;
+
+ case FRenderType of
+ rtLatin1 :
+ begin
+ if ( FSolid ) then
+ begin
+ result := TTF_RenderText_Solid( FFont, PChar( string( aText ) ), FForeGroundColour );
+ end
+ else
+ begin
+ result := TTF_RenderText_Shaded( FFont, PChar( string( aText ) ), FForeGroundColour, FBackGroundColour );
+ end;
+ end;
+
+ rtUTF8 :
+ begin
+ if ( FSolid ) then
+ begin
+ result := TTF_RenderUTF8_Solid( FFont, PChar( string( aText ) ), FForeGroundColour );
+ end
+ else
+ begin
+ result := TTF_RenderUTF8_Shaded( FFont, PChar( string( aText ) ), FForeGroundColour, FBackGroundColour );
+ end;
+ end;
+
+ rtUnicode :
+ begin
+ if ( FSolid ) then
+ begin
+ result := TTF_RenderUNICODE_Solid( FFont, PUInt16( aText ), FForeGroundColour );
+ end
+ else
+ begin
+ result := TTF_RenderUNICODE_Shaded( FFont, PUInt16( aText ), FForeGroundColour, FBackGroundColour );
+ end;
+ end;
+ end;
+end;
+
+function TTrueTypeFont.DrawText( aText : WideString; aWidth, aHeight : Integer ) : PSDL_Surface;
+var
+ textw, texth, i, yPos : integer;
+ strChopped : WideString;
+ SurfaceList : array of PSDL_Surface;
+ strlist : array of WideString;
+ ReturnedSurface : PSDL_Surface;
+ BltRect : TSDL_Rect;
+begin
+ PrepareFont;
+
+ // Do an initial check to see if it already fits
+ case FRenderType of
+ rtLatin1 :
+ begin
+ if TTF_SizeText( FFont, PChar( string( aText ) ), textw, texth ) = 0 then
+ begin
+ if ( textw < aWidth )
+ and ( texth < aHeight ) then
+ begin
+ result := DrawText( aText );
+ exit;
+ end
+ end;
+ end;
+
+ rtUTF8 :
+ begin
+ if TTF_SizeUTF8( FFont, PChar( string( aText ) ), textw, texth ) = 0 then
+ begin
+ if ( textw < aWidth )
+ and ( texth < aHeight ) then
+ begin
+ result := DrawText( aText );
+ exit;
+ end
+ end;
+ end;
+
+ rtUnicode :
+ begin
+ if TTF_SizeUNICODE( FFont, PUInt16( aText ), textw, texth ) = 0 then
+ begin
+ if ( textw < aWidth )
+ and ( texth < aHeight ) then
+ begin
+ result := DrawText( aText );
+ exit;
+ end
+ end;
+ end;
+ end;
+
+ // Create the Surface we will be returning
+ ReturnedSurface := SDL_DisplayFormat( SDL_CreateRGBSurface( SDL_SRCCOLORKEY or SDL_RLEACCEL or SDL_HWACCEL, aWidth, aHeight, 16, 0, 0, 0, 0 ) );
+
+ // If we are still here there is some serious parsing to do
+ case FRenderType of
+ rtLatin1 :
+ begin
+ strChopped := aText;
+ i := Length( strChopped );
+ while ( i <> 0 ) do
+ begin
+ if ( string( strChopped[ i ] ) <> ' ' ) and ( Integer( string( strChopped[ i ] ) ) <> 13 ) then
+ dec( i )
+ else
+ begin
+ dec( i );
+ if TTF_SizeText( FFont, PChar( string( Copy( strChopped, 0, i ) ) ), textw, texth ) = 0 then
+ begin
+ if ( textw < aWidth )
+ and ( texth < aHeight ) then
+ begin
+ SetLength( strlist, Length( strlist ) + 1 );
+ strlist[ Length( strlist ) - 1 ] := Copy( strChopped, 0, i );
+ strChopped := Copy( strChopped, i + 2, Length( strChopped ) - ( i - 1 ) );
+ i := Length( strChopped );
+ if TTF_SizeText( FFont, PChar( string( strChopped ) ), textw, texth ) = 0 then
+ begin
+ if ( textw < aWidth )
+ and ( texth < aHeight ) then
+ begin
+ SetLength( strlist, Length( strlist ) + 1 );
+ strlist[ Length( strlist ) - 1 ] := Copy( strChopped, 0, i );
+ strChopped := Copy( strChopped, i + 2, Length( strChopped ) - ( i - 1 ) );
+ i := Length( strChopped );
+ end;
+ end;
+ end;
+ end;
+ end;
+ end;
+
+ SetLength( SurfaceList, Length( strlist ) );
+ for i := Low( strlist ) to High( strlist ) do
+ begin
+ if ( FSolid ) then
+ begin
+ SurfaceList[ i ] := TTF_RenderText_Solid( FFont, PChar( string( strlist[ i ] ) ), FForeGroundColour );
+ end
+ else
+ begin
+ SurfaceList[ i ] := TTF_RenderText_Shaded( FFont, PChar( string( strlist[ i ] ) ), FForeGroundColour, FBackGroundColour );
+ end;
+ end;
+ end;
+
+ rtUTF8 :
+ begin
+ strChopped := aText;
+ i := Length( strChopped );
+ while ( i <> 0 ) do
+ begin
+ if ( string( strChopped[ i ] ) <> ' ' ) and ( Integer( string( strChopped[ i ] ) ) <> 13 ) then
+ dec( i )
+ else
+ begin
+ dec( i );
+ if TTF_SizeUTF8( FFont, PChar( string( Copy( strChopped, 0, i ) ) ), textw, texth ) = 0 then
+ begin
+ if ( textw < aWidth )
+ and ( texth < aHeight ) then
+ begin
+ SetLength( strlist, Length( strlist ) + 1 );
+ strlist[ Length( strlist ) - 1 ] := Copy( strChopped, 0, i );
+ strChopped := Copy( strChopped, i + 2, Length( strChopped ) - ( i - 1 ) );
+ i := Length( strChopped );
+ if TTF_SizeUTF8( FFont, PChar( string( strChopped ) ), textw, texth ) = 0 then
+ begin
+ if ( textw < aWidth )
+ and ( texth < aHeight ) then
+ begin
+ SetLength( strlist, Length( strlist ) + 1 );
+ strlist[ Length( strlist ) - 1 ] := Copy( strChopped, 0, i );
+ strChopped := Copy( strChopped, i + 2, Length( strChopped ) - ( i - 1 ) );
+ i := Length( strChopped );
+ end;
+ end;
+ end;
+ end;
+ end;
+ end;
+
+ SetLength( SurfaceList, Length( strlist ) );
+ for i := Low( strlist ) to High( strlist ) do
+ begin
+ if ( FSolid ) then
+ begin
+ SurfaceList[ i ] := TTF_RenderUTF8_Solid( FFont, PChar( string( strlist[ i ] ) ), FForeGroundColour );
+ end
+ else
+ begin
+ SurfaceList[ i ] := TTF_RenderUTF8_Shaded( FFont, PChar( string( strlist[ i ] ) ), FForeGroundColour, FBackGroundColour );
+ end;
+ end;
+ end;
+
+ rtUnicode :
+ begin
+ strChopped := aText;
+ i := Length( strChopped );
+ while ( i <> 0 ) do
+ begin
+ if ( string( strChopped[ i ] ) <> ' ' ) and ( Integer( string( strChopped[ i ] ) ) <> 13 ) then
+ dec( i )
+ else
+ begin
+ dec( i );
+ if TTF_SizeUNICODE( FFont, PUInt16( Copy( strChopped, 0, i ) ), textw, texth ) = 0 then
+ begin
+ if ( textw < aWidth )
+ and ( texth < aHeight ) then
+ begin
+ SetLength( strlist, Length( strlist ) + 1 );
+ strlist[ Length( strlist ) - 1 ] := Copy( strChopped, 0, i );
+ strChopped := Copy( strChopped, i + 2, Length( strChopped ) - ( i - 1 ) );
+ i := Length( strChopped );
+ if TTF_SizeUNICODE( FFont, PUInt16( strChopped ), textw, texth ) = 0 then
+ begin
+ if ( textw < aWidth )
+ and ( texth < aHeight ) then
+ begin
+ SetLength( strlist, Length( strlist ) + 1 );
+ strlist[ Length( strlist ) - 1 ] := Copy( strChopped, 0, i );
+ strChopped := Copy( strChopped, i + 2, Length( strChopped ) - ( i - 1 ) );
+ i := Length( strChopped );
+ end;
+ end;
+ end;
+ end;
+ end;
+ end;
+ SetLength( SurfaceList, Length( strlist ) );
+ for i := Low( strlist ) to High( strlist ) do
+ begin
+ if ( FSolid ) then
+ begin
+ SurfaceList[ i ] := TTF_RenderUNICODE_Solid( FFont, PUInt16( strlist[ i ] ), FForeGroundColour );
+ end
+ else
+ begin
+ SurfaceList[ i ] := TTF_RenderUNICODE_Shaded( FFont, PUInt16( strlist[ i ] ), FForeGroundColour, FBackGroundColour );
+ end;
+ end;
+ end;
+ end;
+
+ // Now Draw the SurfaceList onto the resulting Surface
+ yPos := 6;
+ for i := Low( SurfaceList ) to High( SurfaceList ) do
+ begin
+ BltRect.x := 6;
+ BltRect.y := yPos;
+ BltRect.w := SurfaceList[ i ].w;
+ BltRect.h := SurfaceList[ i ].h;
+ SDL_BlitSurface( SurfaceList[ i ], nil, ReturnedSurface, @BltRect );
+ yPos := yPos + TTF_FontHeight( FFont );
+ end;
+ result := ReturnedSurface;
+
+ for i := Low( SurfaceList ) to High( SurfaceList ) do
+ begin
+ SDL_FreeSurface( SurfaceList[ i ] );
+ end;
+ SetLength( SurfaceList, 0 );
+ SetLength( strlist, 0 );
+end;
+
+function TTrueTypeFont.Input(aDestination: PSDL_Surface; aX, aY, aWidth: integer; aHeight : integer; var aText : string; aMaxChars: integer): PSDL_Surface;
+var
+ event : TSDL_Event;
+ ch : integer;
+
+ BackSurface, TextSurface : PSDL_Surface;
+ rect : SDL_Rect;
+ textw, texth : integer;
+ Done : boolean;
+ PassedInText : string;
+begin
+ PassedInText := aText;
+
+ BackSurface := SDL_AllocSurface( aDestination.flags,
+ aDestination.w,
+ aDestination.h,
+ aDestination.format.BitsPerPixel,
+ aDestination.format.Rmask,
+ aDestination.format.Gmask,
+ aDestination.format.Bmask, 0 );
+
+ rect.x := aX;
+ rect.y := aY;
+ rect.w := aWidth;
+ rect.h := aHeight;
+
+ SDL_BlitSurface( aDestination, nil, BackSurface, nil );
+ SDL_FillRect( BackSurface, @rect, SDL_MapRGB( aDestination.format, 0, 0, 0 ) );
+
+ TextSurface := DrawText( aText + '|' );
+
+ // start input
+ SDL_EnableUNICODE( 1 );
+ Done := false;
+ while ( not Done ) and ( SDL_WaitEvent( @event ) > 0 ) do
+ begin
+ if event.type_ = SDL_KEYDOWN then
+ begin
+ ch := event.key.keysym.unicode;
+ case ch of
+ SDLK_RETURN :
+ begin
+ Done := true;
+ end;
+
+ SDLK_ESCAPE :
+ begin
+ aText := PassedInText;
+ Done := true;
+ end;
+
+ SDLK_BACKSPACE :
+ begin
+ if ( Length( aText ) > 0 ) then
+ begin
+ aText := Copy( aText, 0, Length( aText ) - 1 );
+ if TextSurface <> nil then
+ SDL_FreeSurface( TextSurface );
+ TextSurface := DrawText( aText + '|' );
+ end;
+ end;
+ else
+ begin
+ if Length( aText ) < aMaxChars then
+ begin
+ if ( chr( ch ) <> '' ) then
+ begin
+ aText := aText + chr( ch );
+
+ if ( aText <> '' )
+ and ( TTF_SizeUNICODE( FFont, PUInt16( aText ), textw, texth ) = 0 ) then
+ begin
+ if ( textw > aWidth ) then
+ aText := Copy( aText, 0, Length( aText ) - 1 );
+ end;
+
+ if TextSurface <> nil then
+ SDL_FreeSurface( TextSurface );
+ TextSurface := DrawText( aText + '|' );
+ end;
+ end;
+ end;
+ end;
+ end;
+ SDL_BlitSurface( BackSurface, nil, aDestination, nil );
+ SDL_BlitSurface( TextSurface, nil, aDestination, @rect );
+ SDL_Flip( aDestination );
+ end;
+
+ if TextSurface <> nil then
+ SDL_FreeSurface( TextSurface );
+ if aText <> '' then
+ TextSurface := DrawText( aText );
+ SDL_FreeSurface( BackSurface );
+ result := TextSurface;
+end;
+
+procedure TTrueTypeFont.PrepareFont;
+var
+ renderstyle : integer;
+begin
+ if FFont <> nil then
+ TTF_CloseFont( FFont );
+
+ FFont := TTF_OpenFont( PChar( FFontFile ), FFontSize );
+
+ renderstyle := TTF_STYLE_NORMAL;
+ if ( fsBold in FStyle ) then
+ renderstyle := renderstyle or TTF_STYLE_BOLD;
+
+ if ( fsItalic in FStyle ) then
+ renderstyle := renderstyle or TTF_STYLE_ITALIC;
+
+ if ( fsUnderline in FStyle ) then
+ renderstyle := renderstyle or TTF_STYLE_UNDERLINE;
+
+ TTF_SetFontStyle( FFont, renderstyle );
+end;
+
+end.
+