diff options
Diffstat (limited to 'Game/Code/Classes')
-rw-r--r-- | Game/Code/Classes/TextGL.pas | 1121 |
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.
+
+
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