Bugfix: In glTextWidth() "text := pchar(Copy(text, 2, Length(text)-1))" does not work with FPC, probably because a part of text is assigned to itself.

Note: Why is the string copied so many times just to get the current character? I just simplified this method to use Text[index] instead.

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@806 b956fd51-792f-4845-bead-9b4dfca2ff2c

1 files changed, 562 insertions, 559 deletions

diff --git a/Game/Code/Classes/TextGL.pas b/Game/Code/Classes/TextGL.pas
index ed897071..0bd61fa7 100644
--- a/Game/Code/Classes/TextGL.pas
+++ b/Game/Code/Classes/TextGL.pas
@@ -1,559 +1,562 @@
-unit TextGL;
-
-interface
-
-{$IFDEF FPC}
-  {$MODE Delphi}
-{$ENDIF}
-
-{$I switches.inc}
-
-
-uses  OpenGL12,
-      SDL,
-      UTexture,
-      Classes,
-      dialogs,
-      SDL_ttf,
-      ULog;
-
-procedure BuildFont;			                // Build Our Bitmap Font
-procedure KillFont;     		                // Delete The Font
-function  glTextWidth(text: pchar): real;     // Returns Text Width
-procedure glPrintDone(text: pchar; Done: real; ColR, ColG, ColB: real);
-procedure glPrintLetter(letter: char);
-procedure glPrintLetterCut(letter: char; Start, Finish: real);
-procedure glPrint(text: pchar);	                  // Custom GL "Print" Routine
-procedure glPrintCut(text: pchar);
-procedure SetFontPos(X, Y: real);                     // Sets X And Y
-procedure SetFontSize(Size: real);
-procedure SetFontStyle(Style: integer); // sets active font style (normal, bold, etc)
-procedure SetFontItalic(Enable: boolean); // sets italic type letter (works for all fonts)
-procedure SetFontAspectW(Aspect: real);
-
-// Start of SDL_ttf
-function NextPowerOfTwo(Value: Integer): Integer;
-//Checks if the ttf exists, if yes then a SDL_ttf is returned
-function LoadFont(FileName: PAnsiChar; PointSize: integer):PTTF_Font;
-
-// Does the renderstuff, color is in $ffeecc style
-function RenderText(font: PTTF_Font; Text:PAnsiChar; Color: Cardinal):PSDL_Surface;
-procedure printrandomtext();
-// End of SDL_ttf
-
-type
-  TTextGL = record
-    X:        real;
-    Y:        real;
-    Text:     string;
-    Size:     real;
-    ColR:     real;
-    ColG:     real;
-    ColB:     real;
-  end;
-
-  TFont = record
-    Tex:      TTexture;
-    Width:    array[0..255] of byte;
-    AspectW:  real;
-    Centered: boolean;
-    Done:     real;
-    Outline:  real;
-    Italic:   boolean;
-  end;
-
-
-var
-  base:       GLuint;			                // Base Display List For The Font Set
-  Fonts:      array of TFont;
-  ActFont:    integer;
-  PColR:      real;  // temps for glPrintDone
-  PColG:      real;
-  PColB:      real;
-
-implementation
-
-uses UMain,
-     UCommon,
-     {$IFDEF win32}
-     windows,
-     {$ELSE}
-     lclintf,
-     lcltype,
-     {$ENDIF}
-     SysUtils,
-     {$IFDEF LAZARUS}
-     LResources,
-     {$ENDIF}
-     {$IFDEF DARWIN}
-     MacResources,
-     {$ENDIF}
-     UGraphic;
-
-procedure BuildFont;			                // Build Our Bitmap Font
-
-  procedure loadfont( aID : integer; aType, aResourceName : String);
-  {$IFDEF LAZARUS}
-  var
-    lLazRes  : TLResource;
-    lResData : TStringStream;
-  begin
-      try
-        lLazRes := LazFindResource( aResourceName, aType );
-        if lLazRes <> nil then
-        begin
-          lResData := TStringStream.create( lLazRes.value );
-          try
-            lResData.position := 0;
-            lResData.Read(Fonts[ aID ].Width, 256);
-          finally
-            freeandnil( lResData );
-          end;
-        end;
-      
-  {$ELSE}
-  var
-    Rejestr:  TResourceStream;
-  begin
-    try
-        Rejestr := TResourceStream.Create(HInstance, aResourceName , pchar( aType ) );
-        try
-          Rejestr.Read(Fonts[ aID ].Width, 256);
-        finally
-          Rejestr.Free;
-        end;
-  {$ENDIF}
-      
-    except
-      Log.LogStatus( 'Could not load font : loadfont( '+ inttostr( aID ) +' , '+aType+' )' , 'ERROR');
-    end;
-  end;
-
-var
-  font:     HFONT;              	          // Windows Font ID
-  h_dc:     hdc;
-  Pet:      integer;
-begin
-  ActFont := 0;
-
-  Log.LogStatus( '' , '---------------------------');
-
-  Log.LogStatus( 'Font' , '---------------------------');
-  SetLength(Fonts, 5);
-  Fonts[0].Tex := Texture.LoadTexture(true, 'Font', 'PNG', 'Transparent', 0);
-  Fonts[0].Tex.H := 30;
-  Fonts[0].AspectW := 0.9;
-  Fonts[0].Done := -1;
-  Fonts[0].Outline := 0;
-
-  Log.LogStatus( 'FontB' , '---------------------------');
-
-  Fonts[1].Tex := Texture.LoadTexture(true, 'FontB', 'PNG', 'Transparent', 0);
-  Fonts[1].Tex.H := 30;
-  Fonts[1].AspectW := 1;
-  Fonts[1].Done := -1;
-  Fonts[1].Outline := 0;
-
-  Log.LogStatus( 'FontO' , '---------------------------');
-  Fonts[2].Tex := Texture.LoadTexture(true, 'FontO', 'PNG', 'Transparent', 0);
-  Fonts[2].Tex.H := 30;
-  Fonts[2].AspectW := 0.95;
-  Fonts[2].Done := -1;
-  Fonts[2].Outline := 5;
-
-  Log.LogStatus( 'FontO2' , '---------------------------');
-  Fonts[3].Tex := Texture.LoadTexture(true, 'FontO2', 'PNG', 'Transparent', 0);
-  Fonts[3].Tex.H := 30;
-  Fonts[3].AspectW := 0.95;
-  Fonts[3].Done := -1;
-  Fonts[3].Outline := 4;
-
-{  Fonts[4].Tex := Texture.LoadTexture('FontO', 'BMP', 'Arrow', 0); // for score screen
-  Fonts[4].Tex.H := 30;
-  Fonts[4].AspectW := 0.95;
-  Fonts[4].Done := -1;
-  Fonts[4].Outline := 5;}
-
-
-
-  loadfont( 0, 'FNT', 'Font'   );
-  loadfont( 1, 'FNT', 'FontB'  );
-  loadfont( 2, 'FNT', 'FontO'  );
-  loadfont( 3, 'FNT', 'FontO2' );
-
-{  Rejestr := TResourceStream.Create(HInstance, 'FontO', 'FNT');
-  Rejestr.Read(Fonts[4].Width, 256);
-  Rejestr.Free;}
-
-  for Pet := 0 to 255 do
-    Fonts[1].Width[Pet] := Fonts[1].Width[Pet] div 2;
-
-  for Pet := 0 to 255 do
-    Fonts[2].Width[Pet] := Fonts[2].Width[Pet] div 2 + 2;
-
-  for Pet := 0 to 255 do
-    Fonts[3].Width[Pet] := Fonts[3].Width[Pet] + 1;
-
-{  for Pet := 0 to 255 do
-    Fonts[4].Width[Pet] := Fonts[4].Width[Pet] div 2 + 2;}
-
-end;
-
-procedure KillFont;     		                // Delete The Font
-begin
-//  glDeleteLists(base, 256); 		                // Delete All 96 Characters
-end;
-
-function glTextWidth(text: pchar): real;
-var
-  Letter:       char;
-begin
-//  Log.LogStatus(Text, 'glTextWidth');
-  Result := 0;
-  while (length(text) > 0) do begin
-    Letter := Text[0];
-    text := pchar(Copy(text, 2, Length(text)-1));
-    Result := Result + Fonts[ActFont].Width[Ord(Letter)] * Fonts[ActFont].Tex.H / 30 * Fonts[ActFont].AspectW;
-  end; // while
-end;
-
-procedure glPrintDone(text: pchar; Done: real; ColR, ColG, ColB: real);
-begin
-  Fonts[ActFont].Done := Done;
-  PColR := ColR;
-  PColG := ColG;
-  PColB := ColB;
-  glPrintCut(text);
-  Fonts[ActFont].Done := -1;
-end;
-
-procedure glPrintLetter(Letter: char);
-var
-  TexX, TexY:   real;
-  TexR, TexB:   real;
-  FWidth:       real;
-  PL, PT:       real;
-  PR, PB:       real;
-  XItal:        real; // X shift for italic type letter
-begin
-  with Fonts[ActFont].Tex do
-  begin
-    FWidth := Fonts[ActFont].Width[Ord(Letter)];
-
-    W := FWidth * (H/30) * Fonts[ActFont].AspectW;
-  //  H := 30;
-
-    // set texture positions
-    TexX := (ord(Letter) mod 16) * 1/16 + 1/32 - FWidth/1024 - Fonts[ActFont].Outline/1024;
-    TexY := (ord(Letter) div 16) * 1/16 + 2/1024; // 2/1024
-    TexR := (ord(Letter) mod 16) * 1/16 + 1/32 + FWidth/1024 + Fonts[ActFont].Outline/1024;
-    TexB := (1 + ord(Letter) div 16) * 1/16 - 2/1024;
-
-    // set vector positions
-    PL := X - Fonts[ActFont].Outline * (H/30) * Fonts[ActFont].AspectW /2;
-    PT := Y;
-    PR := PL + W + Fonts[ActFont].Outline * (H/30) * Fonts[ActFont].AspectW;
-    PB := PT + H;
-
-    if Fonts[ActFont].Italic = false then
-      XItal := 0
-    else
-      XItal := 12;
-
-    glEnable(GL_TEXTURE_2D);
-    glEnable(GL_BLEND);
-    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-    glBindTexture(GL_TEXTURE_2D, TexNum);
-
-    glBegin(GL_QUADS);
-    try
-      glTexCoord2f(TexX, TexY); glVertex2f(PL+XItal,  PT);
-      glTexCoord2f(TexX, TexB); glVertex2f(PL,        PB);
-      glTexCoord2f(TexR, TexB); glVertex2f(PR,        PB);
-      glTexCoord2f(TexR, TexY); glVertex2f(PR+XItal,  PT);
-    finally
-      glEnd;
-    end;
-
-    X := X + W;
-    glDisable(GL_BLEND);
-    glDisable(GL_TEXTURE_2D);
-  end; // with
-end;
-
-procedure glPrintLetterCut(letter: char; Start, Finish: real);
-var
-  TexX, TexY:   real;
-  TexR, TexB:   real;
-  TexTemp:      real;
-  FWidth:       real;
-  PL, PT:       real;
-  PR, PB:       real;
-  OutTemp:      real;
-  XItal:        real;
-begin
-  with Fonts[ActFont].Tex do begin
-  FWidth := Fonts[ActFont].Width[Ord(Letter)];
-
-  W := FWidth * (H/30) * Fonts[ActFont].AspectW;
-//  H := 30;
-  OutTemp := Fonts[ActFont].Outline * (H/30) * Fonts[ActFont].AspectW;
-
-  // set texture positions
-  TexX := (ord(Letter) mod 16) * 1/16 + 1/32 - FWidth/1024 - Fonts[ActFont].Outline/1024;
-  TexY := (ord(Letter) div 16) * 1/16 + 2/1024; // 2/1024
-  TexR := (ord(Letter) mod 16) * 1/16 + 1/32 + FWidth/1024 + Fonts[ActFont].Outline/1024;
-  TexB := (1 + ord(Letter) div 16) * 1/16 - 2/1024;
-
-  TexTemp := TexX + Start * (TexR - TexX);
-  TexR := TexX + Finish * (TexR - TexX);
-  TexX := TexTemp;
-
-  // set vector positions
-  PL := X - OutTemp / 2 + OutTemp * Start;
-  PT := Y;
-  PR := PL + (W + OutTemp) * (Finish - Start);
-  PB := PT + H;
-  if Fonts[ActFont].Italic = false then
-    XItal := 0
-  else
-    XItal := 12;
-
-  glEnable(GL_TEXTURE_2D);
-  glEnable(GL_BLEND);
-  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-  glBindTexture(GL_TEXTURE_2D, TexNum);
-  glBegin(GL_QUADS);
-    glTexCoord2f(TexX, TexY); glVertex2f(PL+XItal,  PT);
-    glTexCoord2f(TexX, TexB); glVertex2f(PL,        PB);
-    glTexCoord2f(TexR, TexB); glVertex2f(PR,        PB);
-    glTexCoord2f(TexR, TexY); glVertex2f(PR+XItal,  PT); // not tested with XItal
-  glEnd;
-  X := X + W * (Finish - Start);
-  glDisable(GL_BLEND);
-  glDisable(GL_TEXTURE_2D);
-  end; // with
-
-end;
-
-procedure glPrint(text: pchar);	                // Custom GL "Print" Routine
-var
-//  Letter :       char;
-  iPos   : Integer;
-
-begin
-  if (Text = '') then     // If There's No Text
-    Exit;					        // Do Nothing
-
-(*
-  while (length(text) > 0) do
-  begin
-    // cut
-    Letter := Text[0];
-    Text   := pchar(Copy(Text, 2, Length(Text)-1));
-
-    // print
-    glPrintLetter(Letter);
-  end; // while
-*)
-
-  // This code is better, because doing a Copy of for every
-  // letter in a string is a waste of CPU & Memory resources.
-  // Copy operations are quite memory intensive, and this simple
-  // code achieves the same result.
-  for iPos := 0 to length( text ) - 1 do
-  begin
-    glPrintLetter( Text[iPos] );
-  end;
-
-end;
-
-function NextPowerOfTwo(Value: Integer): Integer;
-// tyty to Asphyre
-begin
- Result:= 1;
- asm
-  xor ecx, ecx
-  bsr ecx, Value
-  inc ecx
-  shl Result, cl
- end;
-end;
-
-function LoadFont(FileName: PAnsiChar; PointSize: integer):PTTF_Font;
-begin
- if (FileExists(FileName)) then
-   begin
-     Result := TTF_OpenFont( FileName, PointSize );
-   end
- else
-   begin
-     Log.LogStatus('ERROR Could not find font in ' + FileName , '');
-     ShowMessage(  'ERROR Could not find font in ' + FileName );
-   end;
-end;
-
-function RenderText(font: PTTF_Font; Text:PAnsiChar; Color: Cardinal): PSDL_Surface;
-var
-  clr : TSDL_color;
-begin
-  clr.r  := ((Color and $ff0000) shr 16  ) div 255;
-  clr.g  := ((Color and $ff00  ) shr 8   ) div 255;
-  clr.b  := ( Color and $ff    ) div 255 ;
-
-  result := TTF_RenderText_Blended( font, text, cLr);
-end;
-
-procedure printrandomtext();
-var
-  stext,intermediary : PSDL_surface;
-  clrFg, clrBG       : TSDL_color;
-  texture            : Gluint;
-  font               : PTTF_Font;
-  w,h                : integer;
-begin
-
-font := LoadFont('fonts\comicbd.ttf', 42);
-
-clrFg.r := 255;
-clrFg.g := 255;
-clrFg.b := 255;
-clrFg.unused := 255;
-
-clrBg.r := 255;
-clrbg.g := 0;
-clrbg.b := 255;
-clrbg.unused := 0;
-
-  sText := RenderText(font, 'katzeeeeeee', $fe198e);
-//sText :=  TTF_RenderText_Blended( font, 'huuuuuuuuuund', clrFG);
-
-  // Convert the rendered text to a known format
-  w :=  nextpoweroftwo(sText.w);
-  h :=  nextpoweroftwo(sText.h);
-
-intermediary := SDL_CreateRGBSurface(0, w, h, 32,
-			$000000ff, $0000ff00, $00ff0000, $ff000000);
-
- SDL_SetAlpha(intermediary, 0, 255);
- SDL_SetAlpha(sText, 0, 255);
- SDL_BlitSurface(sText, 0, intermediary, 0);
-
- glGenTextures(1, @texture);
-
-  glBindTexture(GL_TEXTURE_2D, texture);
-
-  glTexImage2D(GL_TEXTURE_2D, 0, 4, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, intermediary.pixels);
-
-  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-
-
-
-
-      glEnable(GL_TEXTURE_2D);
-      glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
-      glEnable(GL_BLEND);
-        glBindTexture(GL_TEXTURE_2D, texture);
-        glColor4f(1, 0, 1, 1);
-
-      glbegin(gl_quads);
-        glTexCoord2f(0,0); glVertex2f(200,     300);
-        glTexCoord2f(0,sText.h/h); glVertex2f(200    , 300 + sText.h);
-        glTexCoord2f(sText.w/w,sText.h/h); glVertex2f(200 + sText.w, 300 + sText.h);
-        glTexCoord2f(sText.w/w,0); glVertex2f(200 + sText.w, 300);
-      glEnd;
-      glfinish();
-      glDisable(GL_BLEND);
-      gldisable(gl_texture_2d);
-
-
-
-
-SDL_FreeSurface( sText );
-SDL_FreeSurface( intermediary );
-glDeleteTextures(1, @texture);
-TTF_CloseFont( font );
-
-end;
-
-procedure glPrintCut(text: pchar);
-var
-  Letter:       char;
-  PToDo:        real;
-  PTotWidth:    real;
-  PDoingNow:    real;
-  S:            string;
-begin
-  if (Text = '') then   			        // If There's No Text
-                Exit;					        // Do Nothing
-
-  PTotWidth := glTextWidth(Text);
-  PToDo := Fonts[ActFont].Done;
-
-  while (length(text) > 0) do begin
-    // cut
-    Letter := Text[0];
-    Text := pchar(Copy(Text, 2, Length(Text)-1));
-
-    // analyze
-    S := Letter;
-    PDoingNow := glTextWidth(pchar(S)) / PTotWidth;
-
-    // drawing
-    if (PToDo > 0) and (PDoingNow <= PToDo) then
-      glPrintLetter(Letter);
-
-    if (PToDo > 0) and (PDoingNow > PToDo) then begin
-      glPrintLetterCut(Letter, 0, PToDo / PDoingNow);
-      glColor3f(PColR, PColG,  PColB);
-      glPrintLetterCut(Letter, PToDo / PDoingNow, 1);
-    end;
-
-    if (PToDo <= 0) then
-      glPrintLetter(Letter);
-
-    PToDo := PToDo - PDoingNow;
-
-  end; // while
-end;
-
-
-procedure SetFontPos(X, Y: real);
-begin
-  Fonts[ActFont].Tex.X := X;
-  Fonts[ActFont].Tex.Y := Y;
-end;
-
-procedure SetFontSize(Size: real);
-begin
-  Fonts[ActFont].Tex.H := 30 * (Size/10);
-end;
-
-procedure SetFontStyle(Style: integer);
-begin
-  ActFont := Style;
-end;
-
-procedure SetFontItalic(Enable: boolean);
-begin
-  Fonts[ActFont].Italic := Enable;
-end;
-
-procedure SetFontAspectW(Aspect: real);
-begin
-  Fonts[ActFont].AspectW := Aspect;
-end;
-
-
-{$IFDEF LAZARUS}
-{$IFDEF win32}
-initialization
-  {$I UltraStar.lrs}
-{$ENDIF}
-{$ENDIF}
-
-
-end.
-
-
+unit TextGL;

+

+interface

+

+{$IFDEF FPC}

+  {$MODE Delphi}

+{$ENDIF}

+

+{$I switches.inc}

+

+

+uses  OpenGL12,

+      SDL,

+      UTexture,

+      Classes,

+      dialogs,

+      SDL_ttf,

+      ULog;

+

+procedure BuildFont;			                // Build Our Bitmap Font

+procedure KillFont;     		                // Delete The Font

+function  glTextWidth(text: pchar): real;     // Returns Text Width

+procedure glPrintDone(text: pchar; Done: real; ColR, ColG, ColB: real);

+procedure glPrintLetter(letter: char);

+procedure glPrintLetterCut(letter: char; Start, Finish: real);

+procedure glPrint(text: pchar);	                  // Custom GL "Print" Routine

+procedure glPrintCut(text: pchar);

+procedure SetFontPos(X, Y: real);                     // Sets X And Y

+procedure SetFontSize(Size: real);

+procedure SetFontStyle(Style: integer); // sets active font style (normal, bold, etc)

+procedure SetFontItalic(Enable: boolean); // sets italic type letter (works for all fonts)

+procedure SetFontAspectW(Aspect: real);

+

+// Start of SDL_ttf

+function NextPowerOfTwo(Value: Integer): Integer;

+//Checks if the ttf exists, if yes then a SDL_ttf is returned

+function LoadFont(FileName: PAnsiChar; PointSize: integer):PTTF_Font;

+

+// Does the renderstuff, color is in $ffeecc style

+function RenderText(font: PTTF_Font; Text:PAnsiChar; Color: Cardinal):PSDL_Surface;

+procedure printrandomtext();

+// End of SDL_ttf

+

+type

+  TTextGL = record

+    X:        real;

+    Y:        real;

+    Text:     string;

+    Size:     real;

+    ColR:     real;

+    ColG:     real;

+    ColB:     real;

+  end;

+

+  TFont = record

+    Tex:      TTexture;

+    Width:    array[0..255] of byte;

+    AspectW:  real;

+    Centered: boolean;

+    Done:     real;

+    Outline:  real;

+    Italic:   boolean;

+  end;

+

+

+var

+  base:       GLuint;			                // Base Display List For The Font Set

+  Fonts:      array of TFont;

+  ActFont:    integer;

+  PColR:      real;  // temps for glPrintDone

+  PColG:      real;

+  PColB:      real;

+

+implementation

+

+uses UMain,

+     UCommon,

+     {$IFDEF win32}

+     windows,

+     {$ELSE}

+     lclintf,

+     lcltype,

+     {$ENDIF}

+     SysUtils,

+     {$IFDEF LAZARUS}

+     LResources,

+     {$ENDIF}

+     {$IFDEF DARWIN}

+     MacResources,

+     {$ENDIF}

+     UGraphic;

+

+procedure BuildFont;			                // Build Our Bitmap Font

+

+  procedure loadfont( aID : integer; aType, aResourceName : String);

+  {$IFDEF LAZARUS}

+  var

+    lLazRes  : TLResource;

+    lResData : TStringStream;

+  begin

+      try

+        lLazRes := LazFindResource( aResourceName, aType );

+        if lLazRes <> nil then

+        begin

+          lResData := TStringStream.create( lLazRes.value );

+          try

+            lResData.position := 0;

+            lResData.Read(Fonts[ aID ].Width, 256);

+          finally

+            freeandnil( lResData );

+          end;

+        end;

+      

+  {$ELSE}

+  var

+    Rejestr:  TResourceStream;

+  begin

+    try

+        Rejestr := TResourceStream.Create(HInstance, aResourceName , pchar( aType ) );

+        try

+          Rejestr.Read(Fonts[ aID ].Width, 256);

+        finally

+          Rejestr.Free;

+        end;

+  {$ENDIF}

+      

+    except

+      Log.LogStatus( 'Could not load font : loadfont( '+ inttostr( aID ) +' , '+aType+' )' , 'ERROR');

+    end;

+  end;

+

+var

+  font:     HFONT;              	          // Windows Font ID

+  h_dc:     hdc;

+  Pet:      integer;

+begin

+  ActFont := 0;

+

+  Log.LogStatus( '' , '---------------------------');

+

+  Log.LogStatus( 'Font' , '---------------------------');

+  SetLength(Fonts, 5);

+  Fonts[0].Tex := Texture.LoadTexture(true, 'Font', 'PNG', 'Transparent', 0);

+  Fonts[0].Tex.H := 30;

+  Fonts[0].AspectW := 0.9;

+  Fonts[0].Done := -1;

+  Fonts[0].Outline := 0;

+

+  Log.LogStatus( 'FontB' , '---------------------------');

+

+  Fonts[1].Tex := Texture.LoadTexture(true, 'FontB', 'PNG', 'Transparent', 0);

+  Fonts[1].Tex.H := 30;

+  Fonts[1].AspectW := 1;

+  Fonts[1].Done := -1;

+  Fonts[1].Outline := 0;

+

+  Log.LogStatus( 'FontO' , '---------------------------');

+  Fonts[2].Tex := Texture.LoadTexture(true, 'FontO', 'PNG', 'Transparent', 0);

+  Fonts[2].Tex.H := 30;

+  Fonts[2].AspectW := 0.95;

+  Fonts[2].Done := -1;

+  Fonts[2].Outline := 5;

+

+  Log.LogStatus( 'FontO2' , '---------------------------');

+  Fonts[3].Tex := Texture.LoadTexture(true, 'FontO2', 'PNG', 'Transparent', 0);

+  Fonts[3].Tex.H := 30;

+  Fonts[3].AspectW := 0.95;

+  Fonts[3].Done := -1;

+  Fonts[3].Outline := 4;

+

+{  Fonts[4].Tex := Texture.LoadTexture('FontO', 'BMP', 'Arrow', 0); // for score screen

+  Fonts[4].Tex.H := 30;

+  Fonts[4].AspectW := 0.95;

+  Fonts[4].Done := -1;

+  Fonts[4].Outline := 5;}

+

+

+

+  loadfont( 0, 'FNT', 'Font'   );

+  loadfont( 1, 'FNT', 'FontB'  );

+  loadfont( 2, 'FNT', 'FontO'  );

+  loadfont( 3, 'FNT', 'FontO2' );

+

+{  Rejestr := TResourceStream.Create(HInstance, 'FontO', 'FNT');

+  Rejestr.Read(Fonts[4].Width, 256);

+  Rejestr.Free;}

+

+  for Pet := 0 to 255 do

+    Fonts[1].Width[Pet] := Fonts[1].Width[Pet] div 2;

+

+  for Pet := 0 to 255 do

+    Fonts[2].Width[Pet] := Fonts[2].Width[Pet] div 2 + 2;

+

+  for Pet := 0 to 255 do

+    Fonts[3].Width[Pet] := Fonts[3].Width[Pet] + 1;

+

+{  for Pet := 0 to 255 do

+    Fonts[4].Width[Pet] := Fonts[4].Width[Pet] div 2 + 2;}

+

+end;

+

+procedure KillFont;     		                // Delete The Font

+begin

+//  glDeleteLists(base, 256); 		                // Delete All 96 Characters

+end;

+

+function glTextWidth(text: pchar): real;

+var

+  Letter: char;

+  i: integer;

+begin

+//  Log.LogStatus(Text, 'glTextWidth');

+  Result := 0;

+  for i := 0 to Length(text) do

+  begin

+    Letter := Text[i];

+    // Bugfix: does not work with FPC, probably because a part of text is assigned to itself

+    //text := pchar(Copy(text, 2, Length(text)-1));

+    Result := Result + Fonts[ActFont].Width[Ord(Letter)] * Fonts[ActFont].Tex.H / 30 * Fonts[ActFont].AspectW;

+  end;

+end;

+

+procedure glPrintDone(text: pchar; Done: real; ColR, ColG, ColB: real);

+begin

+  Fonts[ActFont].Done := Done;

+  PColR := ColR;

+  PColG := ColG;

+  PColB := ColB;

+  glPrintCut(text);

+  Fonts[ActFont].Done := -1;

+end;

+

+procedure glPrintLetter(Letter: char);

+var

+  TexX, TexY:   real;

+  TexR, TexB:   real;

+  FWidth:       real;

+  PL, PT:       real;

+  PR, PB:       real;

+  XItal:        real; // X shift for italic type letter

+begin

+  with Fonts[ActFont].Tex do

+  begin

+    FWidth := Fonts[ActFont].Width[Ord(Letter)];

+

+    W := FWidth * (H/30) * Fonts[ActFont].AspectW;

+  //  H := 30;

+

+    // set texture positions

+    TexX := (ord(Letter) mod 16) * 1/16 + 1/32 - FWidth/1024 - Fonts[ActFont].Outline/1024;

+    TexY := (ord(Letter) div 16) * 1/16 + 2/1024; // 2/1024

+    TexR := (ord(Letter) mod 16) * 1/16 + 1/32 + FWidth/1024 + Fonts[ActFont].Outline/1024;

+    TexB := (1 + ord(Letter) div 16) * 1/16 - 2/1024;

+

+    // set vector positions

+    PL := X - Fonts[ActFont].Outline * (H/30) * Fonts[ActFont].AspectW /2;

+    PT := Y;

+    PR := PL + W + Fonts[ActFont].Outline * (H/30) * Fonts[ActFont].AspectW;

+    PB := PT + H;

+

+    if Fonts[ActFont].Italic = false then

+      XItal := 0

+    else

+      XItal := 12;

+

+    glEnable(GL_TEXTURE_2D);

+    glEnable(GL_BLEND);

+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

+    glBindTexture(GL_TEXTURE_2D, TexNum);

+

+    glBegin(GL_QUADS);

+    try

+      glTexCoord2f(TexX, TexY); glVertex2f(PL+XItal,  PT);

+      glTexCoord2f(TexX, TexB); glVertex2f(PL,        PB);

+      glTexCoord2f(TexR, TexB); glVertex2f(PR,        PB);

+      glTexCoord2f(TexR, TexY); glVertex2f(PR+XItal,  PT);

+    finally

+      glEnd;

+    end;

+

+    X := X + W;

+    glDisable(GL_BLEND);

+    glDisable(GL_TEXTURE_2D);

+  end; // with

+end;

+

+procedure glPrintLetterCut(letter: char; Start, Finish: real);

+var

+  TexX, TexY:   real;

+  TexR, TexB:   real;

+  TexTemp:      real;

+  FWidth:       real;

+  PL, PT:       real;

+  PR, PB:       real;

+  OutTemp:      real;

+  XItal:        real;

+begin

+  with Fonts[ActFont].Tex do begin

+  FWidth := Fonts[ActFont].Width[Ord(Letter)];

+

+  W := FWidth * (H/30) * Fonts[ActFont].AspectW;

+//  H := 30;

+  OutTemp := Fonts[ActFont].Outline * (H/30) * Fonts[ActFont].AspectW;

+

+  // set texture positions

+  TexX := (ord(Letter) mod 16) * 1/16 + 1/32 - FWidth/1024 - Fonts[ActFont].Outline/1024;

+  TexY := (ord(Letter) div 16) * 1/16 + 2/1024; // 2/1024

+  TexR := (ord(Letter) mod 16) * 1/16 + 1/32 + FWidth/1024 + Fonts[ActFont].Outline/1024;

+  TexB := (1 + ord(Letter) div 16) * 1/16 - 2/1024;

+

+  TexTemp := TexX + Start * (TexR - TexX);

+  TexR := TexX + Finish * (TexR - TexX);

+  TexX := TexTemp;

+

+  // set vector positions

+  PL := X - OutTemp / 2 + OutTemp * Start;

+  PT := Y;

+  PR := PL + (W + OutTemp) * (Finish - Start);

+  PB := PT + H;

+  if Fonts[ActFont].Italic = false then

+    XItal := 0

+  else

+    XItal := 12;

+

+  glEnable(GL_TEXTURE_2D);

+  glEnable(GL_BLEND);

+  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

+  glBindTexture(GL_TEXTURE_2D, TexNum);

+  glBegin(GL_QUADS);

+    glTexCoord2f(TexX, TexY); glVertex2f(PL+XItal,  PT);

+    glTexCoord2f(TexX, TexB); glVertex2f(PL,        PB);

+    glTexCoord2f(TexR, TexB); glVertex2f(PR,        PB);

+    glTexCoord2f(TexR, TexY); glVertex2f(PR+XItal,  PT); // not tested with XItal

+  glEnd;

+  X := X + W * (Finish - Start);

+  glDisable(GL_BLEND);

+  glDisable(GL_TEXTURE_2D);

+  end; // with

+

+end;

+

+procedure glPrint(text: pchar);	                // Custom GL "Print" Routine

+var

+//  Letter :       char;

+  iPos   : Integer;

+

+begin

+  if (Text = '') then     // If There's No Text

+    Exit;					        // Do Nothing

+

+(*

+  while (length(text) > 0) do

+  begin

+    // cut

+    Letter := Text[0];

+    Text   := pchar(Copy(Text, 2, Length(Text)-1));

+

+    // print

+    glPrintLetter(Letter);

+  end; // while

+*)

+

+  // This code is better, because doing a Copy of for every

+  // letter in a string is a waste of CPU & Memory resources.

+  // Copy operations are quite memory intensive, and this simple

+  // code achieves the same result.

+  for iPos := 0 to length( text ) - 1 do

+  begin

+    glPrintLetter( Text[iPos] );

+  end;

+

+end;

+

+function NextPowerOfTwo(Value: Integer): Integer;

+// tyty to Asphyre

+begin

+ Result:= 1;

+ asm

+  xor ecx, ecx

+  bsr ecx, Value

+  inc ecx

+  shl Result, cl

+ end;

+end;

+

+function LoadFont(FileName: PAnsiChar; PointSize: integer):PTTF_Font;

+begin

+ if (FileExists(FileName)) then

+   begin

+     Result := TTF_OpenFont( FileName, PointSize );

+   end

+ else

+   begin

+     Log.LogStatus('ERROR Could not find font in ' + FileName , '');

+     ShowMessage(  'ERROR Could not find font in ' + FileName );

+   end;

+end;

+

+function RenderText(font: PTTF_Font; Text:PAnsiChar; Color: Cardinal): PSDL_Surface;

+var

+  clr : TSDL_color;

+begin

+  clr.r  := ((Color and $ff0000) shr 16  ) div 255;

+  clr.g  := ((Color and $ff00  ) shr 8   ) div 255;

+  clr.b  := ( Color and $ff    ) div 255 ;

+

+  result := TTF_RenderText_Blended( font, text, cLr);

+end;

+

+procedure printrandomtext();

+var

+  stext,intermediary : PSDL_surface;

+  clrFg, clrBG       : TSDL_color;

+  texture            : Gluint;

+  font               : PTTF_Font;

+  w,h                : integer;

+begin

+

+font := LoadFont('fonts\comicbd.ttf', 42);

+

+clrFg.r := 255;

+clrFg.g := 255;

+clrFg.b := 255;

+clrFg.unused := 255;

+

+clrBg.r := 255;

+clrbg.g := 0;

+clrbg.b := 255;

+clrbg.unused := 0;

+

+  sText := RenderText(font, 'katzeeeeeee', $fe198e);

+//sText :=  TTF_RenderText_Blended( font, 'huuuuuuuuuund', clrFG);

+

+  // Convert the rendered text to a known format

+  w :=  nextpoweroftwo(sText.w);

+  h :=  nextpoweroftwo(sText.h);

+

+intermediary := SDL_CreateRGBSurface(0, w, h, 32,

+			$000000ff, $0000ff00, $00ff0000, $ff000000);

+

+ SDL_SetAlpha(intermediary, 0, 255);

+ SDL_SetAlpha(sText, 0, 255);

+ SDL_BlitSurface(sText, 0, intermediary, 0);

+

+ glGenTextures(1, @texture);

+

+  glBindTexture(GL_TEXTURE_2D, texture);

+

+  glTexImage2D(GL_TEXTURE_2D, 0, 4, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, intermediary.pixels);

+

+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);

+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);

+

+

+

+

+      glEnable(GL_TEXTURE_2D);

+      glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);

+      glEnable(GL_BLEND);

+        glBindTexture(GL_TEXTURE_2D, texture);

+        glColor4f(1, 0, 1, 1);

+

+      glbegin(gl_quads);

+        glTexCoord2f(0,0); glVertex2f(200,     300);

+        glTexCoord2f(0,sText.h/h); glVertex2f(200    , 300 + sText.h);

+        glTexCoord2f(sText.w/w,sText.h/h); glVertex2f(200 + sText.w, 300 + sText.h);

+        glTexCoord2f(sText.w/w,0); glVertex2f(200 + sText.w, 300);

+      glEnd;

+      glfinish();

+      glDisable(GL_BLEND);

+      gldisable(gl_texture_2d);

+

+

+

+

+SDL_FreeSurface( sText );

+SDL_FreeSurface( intermediary );

+glDeleteTextures(1, @texture);

+TTF_CloseFont( font );

+

+end;

+

+procedure glPrintCut(text: pchar);

+var

+  Letter:       char;

+  PToDo:        real;

+  PTotWidth:    real;

+  PDoingNow:    real;

+  S:            string;

+begin

+  if (Text = '') then   			        // If There's No Text

+                Exit;					        // Do Nothing

+

+  PTotWidth := glTextWidth(Text);

+  PToDo := Fonts[ActFont].Done;

+

+  while (length(text) > 0) do begin

+    // cut

+    Letter := Text[0];

+    Text := pchar(Copy(Text, 2, Length(Text)-1));

+

+    // analyze

+    S := Letter;

+    PDoingNow := glTextWidth(pchar(S)) / PTotWidth;

+

+    // drawing

+    if (PToDo > 0) and (PDoingNow <= PToDo) then

+      glPrintLetter(Letter);

+

+    if (PToDo > 0) and (PDoingNow > PToDo) then begin

+      glPrintLetterCut(Letter, 0, PToDo / PDoingNow);

+      glColor3f(PColR, PColG,  PColB);

+      glPrintLetterCut(Letter, PToDo / PDoingNow, 1);

+    end;

+

+    if (PToDo <= 0) then

+      glPrintLetter(Letter);

+

+    PToDo := PToDo - PDoingNow;

+

+  end; // while

+end;

+

+

+procedure SetFontPos(X, Y: real);

+begin

+  Fonts[ActFont].Tex.X := X;

+  Fonts[ActFont].Tex.Y := Y;

+end;

+

+procedure SetFontSize(Size: real);

+begin

+  Fonts[ActFont].Tex.H := 30 * (Size/10);

+end;

+

+procedure SetFontStyle(Style: integer);

+begin

+  ActFont := Style;

+end;

+

+procedure SetFontItalic(Enable: boolean);

+begin

+  Fonts[ActFont].Italic := Enable;

+end;

+

+procedure SetFontAspectW(Aspect: real);

+begin

+  Fonts[ActFont].AspectW := Aspect;

+end;

+

+

+{$IFDEF LAZARUS}

+{$IFDEF win32}

+initialization

+  {$I UltraStar.lrs}

+{$ENDIF}

+{$ENDIF}

+

+

+end.

+

+