Reordering of the directories[1]: moving Game/Code to src

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@1302 b956fd51-792f-4845-bead-9b4dfca2ff2c

1 files changed, 0 insertions, 993 deletions

diff --git a/Game/Code/Classes/UImage.pas b/Game/Code/Classes/UImage.pas
deleted file mode 100644
index d33c0d38..00000000
--- a/Game/Code/Classes/UImage.pas
+++ /dev/null
@@ -1,993 +0,0 @@
-unit UImage;
-
-interface
-
-{$IFDEF FPC}
-  {$MODE Delphi}
-{$ENDIF}
-
-{$I switches.inc}
-
-uses
-  SDL;
-
-{$DEFINE HavePNG}
-{$DEFINE HaveBMP}
-{$DEFINE HaveJPG}
-
-const
-  PixelFmt_RGBA: TSDL_Pixelformat = (
-    palette:      nil;
-    BitsPerPixel:  32;
-    BytesPerPixel:  4;
-    Rloss:          0;
-    Gloss:          0;
-    Bloss:          0;
-    Aloss:          0;
-    Rshift:         0;
-    Gshift:         8;
-    Bshift:        16;
-    Ashift:        24;
-    Rmask:  $000000ff;
-    Gmask:  $0000ff00;
-    Bmask:  $00ff0000;
-    Amask:  $ff000000;
-    ColorKey:       0;
-    Alpha:        255
-  );
-
-  PixelFmt_RGB: TSDL_Pixelformat = (
-    palette:      nil;
-    BitsPerPixel:  24;
-    BytesPerPixel:  3;
-    Rloss:          0;
-    Gloss:          0;
-    Bloss:          0;
-    Aloss:          0;
-    Rshift:         0;
-    Gshift:         8;
-    Bshift:        16;
-    Ashift:         0;
-    Rmask:  $000000ff;
-    Gmask:  $0000ff00;
-    Bmask:  $00ff0000;
-    Amask:  $00000000;
-    ColorKey:       0;
-    Alpha:        255
-  );
-
-  PixelFmt_BGRA: TSDL_Pixelformat = (
-    palette:      nil;
-    BitsPerPixel:  32;
-    BytesPerPixel:  4;
-    Rloss:          0;
-    Gloss:          0;
-    Bloss:          0;
-    Aloss:          0;
-    Rshift:        16;
-    Gshift:         8;
-    Bshift:         0;
-    Ashift:        24;
-    Rmask:  $00ff0000;
-    Gmask:  $0000ff00;
-    Bmask:  $000000ff;
-    Amask:  $ff000000;
-    ColorKey:       0;
-    Alpha:        255
-  );
-
-  PixelFmt_BGR: TSDL_Pixelformat = (
-    palette:      nil;
-    BitsPerPixel:  24;
-    BytesPerPixel:  3;
-    Rloss:          0;
-    Gloss:          0;
-    Bloss:          0;
-    Aloss:          0;
-    Rshift:        16;
-    Gshift:         8;
-    Bshift:         0;
-    Ashift:         0;
-    Rmask:  $00ff0000;
-    Gmask:  $0000ff00;
-    Bmask:  $000000ff;
-    Amask:  $00000000;
-    ColorKey:       0;
-    Alpha:        255
-  );
-
-type
-  TImagePixelFmt = (
-    ipfRGBA, ipfRGB, ipfBGRA, ipfBGR
-  );
-
-(*******************************************************
- * Image saving
- *******************************************************)
-
-{$IFDEF HavePNG}
-function WritePNGImage(const FileName: string; Surface: PSDL_Surface): boolean;
-{$ENDIF}
-{$IFDEF HaveBMP}
-function WriteBMPImage(const FileName: string; Surface: PSDL_Surface): boolean;
-{$ENDIF}
-{$IFDEF HaveJPG}
-function WriteJPGImage(const FileName: string; Surface: PSDL_Surface; Quality: integer): boolean;
-{$ENDIF}
-
-(*******************************************************
- * Image loading
- *******************************************************)
-
-function LoadImage(const Identifier: string): PSDL_Surface;
-
-(*******************************************************
- * Image manipulation
- *******************************************************)
-
-function PixelFormatEquals(fmt1, fmt2: PSDL_PixelFormat): boolean;
-procedure ScaleImage(var ImgSurface: PSDL_Surface; Width, Height: Cardinal);
-procedure FitImage(var ImgSurface: PSDL_Surface; Width, Height: Cardinal);
-procedure ColorizeImage(ImgSurface: PSDL_Surface; NewColor: Cardinal);
-
-
-implementation
-
-uses
-  SysUtils,
-  Classes,
-  Math,
-  {$IFDEF MSWINDOWS}
-  Windows,
-  {$ENDIF}
-  {$IFDEF HaveJPG}
-    {$IFDEF Delphi}
-    Graphics,
-    jpeg,
-    {$ELSE}
-    jpeglib,
-    jerror,
-    jcparam,
-    jdatadst, jcapimin, jcapistd,
-    {$ENDIF}
-  {$ENDIF}
-  {$IFDEF HavePNG}
-  png,
-  {$ENDIF}
-  zlib,
-  sdl_image,
-  sdlutils,
-  UCommon,
-  ULog;
-
-
-function IsRGBSurface(pixelFmt: PSDL_PixelFormat): boolean;
-begin
-  Result := (pixelFmt.BitsPerPixel = 24) and
-            (pixelFmt.RMask = $0000FF)   and
-            (pixelFmt.GMask = $00FF00)   and
-            (pixelFmt.BMask = $FF0000);
-end;
-
-function IsRGBASurface(pixelFmt: PSDL_PixelFormat): boolean;
-begin
-  Result := (pixelFmt.BitsPerPixel = 32) and
-            (pixelFmt.RMask = $000000FF) and
-            (pixelFmt.GMask = $0000FF00) and
-            (pixelFmt.BMask = $00FF0000) and
-            (pixelFmt.AMask = $FF000000);
-end;
-
-function IsBGRSurface(pixelFmt: PSDL_PixelFormat): boolean;
-begin
-  Result := (pixelFmt.BitsPerPixel = 24) and
-            (pixelFmt.BMask = $0000FF)   and
-            (pixelFmt.GMask = $00FF00)   and
-            (pixelFmt.RMask = $FF0000);
-end;
-
-function IsBGRASurface(pixelFmt: PSDL_PixelFormat): boolean;
-begin
-  Result := (pixelFmt.BitsPerPixel = 32) and
-            (pixelFmt.BMask = $000000FF) and
-            (pixelFmt.GMask = $0000FF00) and
-            (pixelFmt.RMask = $00FF0000) and
-            (pixelFmt.AMask = $FF000000);
-end;
-
-// Converts alpha-formats to BGRA, non-alpha to BGR, and leaves BGR(A) as is
-// sets converted to true if the surface needed to be converted
-function ConvertToBGR_BGRASurface(Surface: PSDL_Surface; out Converted: boolean): PSDL_Surface;
-var
-  pixelFmt: PSDL_PixelFormat;
-begin
-  pixelFmt := Surface.format;
-  if (IsBGRSurface(pixelFmt) or IsBGRASurface(pixelFmt)) then
-  begin
-    Converted := false;
-    Result := Surface;
-  end
-  else
-  begin
-    // invalid format -> needs conversion
-    if (pixelFmt.AMask <> 0) then
-      Result := SDL_ConvertSurface(Surface, @PixelFmt_BGRA, SDL_SWSURFACE)
-    else
-      Result := SDL_ConvertSurface(Surface, @PixelFmt_BGR, SDL_SWSURFACE);
-    Converted := true;
-  end;
-end;
-
-// Converts alpha-formats to RGBA, non-alpha to RGB, and leaves RGB(A) as is
-// sets converted to true if the surface needed to be converted
-function ConvertToRGB_RGBASurface(Surface: PSDL_Surface; out Converted: boolean): PSDL_Surface;
-var
-  pixelFmt: PSDL_PixelFormat;
-begin
-  pixelFmt := Surface.format;
-  if (IsRGBSurface(pixelFmt) or IsRGBASurface(pixelFmt)) then
-  begin
-    Converted := false;
-    Result := Surface;
-  end
-  else
-  begin
-    // invalid format -> needs conversion
-    if (pixelFmt.AMask <> 0) then
-      Result := SDL_ConvertSurface(Surface, @PixelFmt_RGBA, SDL_SWSURFACE)
-    else
-      Result := SDL_ConvertSurface(Surface, @PixelFmt_RGB, SDL_SWSURFACE);
-    Converted := true;
-  end;
-end;
-
-
-(*******************************************************
- * Image saving
- *******************************************************)
-
-(***************************
- * PNG section
- *****************************)
-
-{$IFDEF HavePNG}
-
-// delphi does not support setjmp()/longjmp() -> define our own error-handler
-procedure user_error_fn(png_ptr: png_structp; error_msg: png_const_charp); cdecl;
-begin
-  raise Exception.Create(error_msg);
-end;
-
-procedure user_read_data(png_ptr: png_structp; data: png_bytep; length: png_size_t); cdecl;
-var
-  inFile: TFileStream;
-begin
-  inFile := TFileStream(png_get_io_ptr(png_ptr));
-  inFile.Read(data^, length);
-end;
-
-procedure user_write_data(png_ptr: png_structp; data: png_bytep; length: png_size_t); cdecl;
-var
-  outFile: TFileStream;
-begin
-  outFile := TFileStream(png_get_io_ptr(png_ptr));
-  outFile.Write(data^, length);
-end;
-
-procedure user_flush_data(png_ptr: png_structp); cdecl;
-//var
-//  outFile: TFileStream;
-begin
-  // binary files are flushed automatically, Flush() works with Text-files only
-  //outFile := TFileStream(png_get_io_ptr(png_ptr));
-  //outFile.Flush();
-end;
-
-procedure DateTimeToPngTime(time: TDateTime; var pngTime: png_time);
-var
-  year, month, day: word;
-  hour, minute, second, msecond: word;
-begin
-  DecodeDate(time, year, month, day);
-  pngTime.year  := year;
-  pngTime.month := month;
-  pngTime.day   := day;
-  DecodeTime(time, hour, minute, second, msecond);
-  pngTime.hour   := hour;
-  pngTime.minute := minute;
-  pngTime.second := second;
-end;
-
-(*
- * ImageData must be in RGB-format
- *)
-function WritePNGImage(const FileName: string; Surface: PSDL_Surface): boolean;
-var
-  png_ptr:   png_structp;
-  info_ptr:  png_infop;
-  pngFile:   TFileStream;
-  row:       integer;
-  rowData:   array of png_bytep;
-//  rowStride: integer;
-  converted: boolean;
-  colorType: integer;
-//  time:      png_time;
-begin
-  Result := false;
-
-  // open file for writing
-  try
-    pngFile := TFileStream.Create(FileName, fmCreate);
-  except
-    Log.LogError('Could not open file: "' + FileName + '"', 'WritePngImage');
-    Exit;
-  end;
-
-  // only 24bit (RGB) or 32bit (RGBA) data is supported, so convert to it
-  Surface := ConvertToRGB_RGBASurface(Surface, converted);
-
-  png_ptr := nil;
-
-  try
-    // initialize png (and enable a user-defined error-handler that throws an exception on error)
-    png_ptr := png_create_write_struct(PNG_LIBPNG_VER_STRING, nil, @user_error_fn, nil);
-    // the error-handler is called if png_create_write_struct() fails, so png_ptr should always be <> nil
-    if (png_ptr = nil) then
-    begin
-      Log.LogError('png_create_write_struct() failed', 'WritePngImage');
-      if (converted) then
-        SDL_FreeSurface(Surface);
-      Exit;
-    end;
-
-    info_ptr := png_create_info_struct(png_ptr);
-
-    if (Surface^.format^.BitsPerPixel = 24) then
-      colorType := PNG_COLOR_TYPE_RGB
-    else
-      colorType := PNG_COLOR_TYPE_RGBA;
-
-    // define write IO-functions (POSIX-style FILE-pointers are not available in Delphi)
-    png_set_write_fn(png_ptr, pngFile, @user_write_data, @user_flush_data);
-    png_set_IHDR(
-      png_ptr, info_ptr,
-      Surface.w, Surface.h,
-      8,
-      colorType,
-      PNG_INTERLACE_NONE,
-      PNG_COMPRESSION_TYPE_DEFAULT,
-      PNG_FILTER_TYPE_DEFAULT
-    );
-
-    // TODO: do we need the modification time?
-    //DateTimeToPngTime(Now, time);
-    //png_set_tIME(png_ptr, info_ptr, @time);
-
-    if (SDL_MUSTLOCK(Surface)) then
-      SDL_LockSurface(Surface);
-
-    // setup data
-    SetLength(rowData, Surface.h);
-    for row := 0 to Surface.h-1 do
-    begin
-      // set rowData-elements to beginning of each image row
-      // Note: the byte-count of a row is pitch (which is not width*bitsPerPixel if the image is aligned)
-      rowData[row] := @PChar(Surface.pixels)[(Surface.h-row-1) * Surface.pitch];
-    end;
-
-    if (SDL_MUSTLOCK(Surface)) then
-      SDL_UnlockSurface(Surface);
-
-    png_write_info(png_ptr, info_ptr);
-    png_write_image(png_ptr, png_bytepp(rowData));
-    png_write_end(png_ptr, nil);
-
-    Result := true;
-  except on E: Exception do
-    Log.LogError(E.message, 'WritePngImage');
-  end;
-
-  // free row-data
-  SetLength(rowData, 0);
-
-  // free png-resources
-  if (png_ptr <> nil) then
-    png_destroy_write_struct(@png_ptr, nil);
-
-  if (converted) then
-    SDL_FreeSurface(Surface);
-
-  // close file
-  pngFile.Free;
-end;
-
-{$ENDIF}
-
-(***************************
- * BMP section
- *****************************)
-
-{$IFDEF HaveBMP}
-
-{$IFNDEF MSWINDOWS}
-const
-  (* constants for the biCompression field *)
-  BI_RGB       = 0;
-  BI_RLE8      = 1;
-  BI_RLE4      = 2;
-  BI_BITFIELDS = 3;
-  BI_JPEG      = 4;
-  BI_PNG       = 5;
-
-type
-  BITMAPINFOHEADER = record
-    biSize:          longword;
-    biWidth:         longint;
-    biHeight:        longint;
-    biPlanes:        word;
-    biBitCount:      word;
-    biCompression:   longword;
-    biSizeImage:     longword;
-    biXPelsPerMeter: longint;
-    biYPelsPerMeter: longint;
-    biClrUsed:       longword;
-    biClrImportant:  longword;
-  end;
-  LPBITMAPINFOHEADER = ^BITMAPINFOHEADER;
-  TBITMAPINFOHEADER  = BITMAPINFOHEADER;
-  PBITMAPINFOHEADER  = ^BITMAPINFOHEADER;
-
-  RGBTRIPLE = record
-    rgbtBlue:  byte;
-    rgbtGreen: byte;
-    rgbtRed:   byte;
-  end;
-  tagRGBTRIPLE = RGBTRIPLE;
-  TRGBTRIPLE = RGBTRIPLE;
-  PRGBTRIPLE = ^RGBTRIPLE;
-
-  RGBQUAD = record
-    rgbBlue:     byte;
-    rgbGreen:    byte;
-    rgbRed:      byte;
-    rgbReserved: byte;
-  end;
-  tagRGBQUAD = RGBQUAD;
-  TRGBQUAD = RGBQUAD;
-  PRGBQUAD = ^RGBQUAD;
-
-  BITMAPINFO = record
-    bmiHeader: BITMAPINFOHEADER;
-    bmiColors: array[0..0] of RGBQUAD;
-  end;
-  LPBITMAPINFO = ^BITMAPINFO;
-  PBITMAPINFO = ^BITMAPINFO;
-  TBITMAPINFO = BITMAPINFO;
-
-  {$PACKRECORDS 2}
-  BITMAPFILEHEADER = record
-    bfType:      word;
-    bfSize:      longword;
-    bfReserved1: word;
-    bfReserved2: word;
-    bfOffBits:   longword;
-  end;
-  {$PACKRECORDS DEFAULT}
-{$ENDIF}
-
-(*
- * ImageData must be in BGR-format
- *)
-function WriteBMPImage(const FileName: string; Surface: PSDL_Surface): boolean;
-var
-  bmpFile:    TFileStream;
-  FileInfo:   BITMAPINFOHEADER;
-  FileHeader: BITMAPFILEHEADER;
-  Converted:  boolean;
-  Row:        integer;
-  RowSize:    integer;
-begin
-  Result := false;
-
-  // open file for writing
-  try
-    bmpFile := TFileStream.Create(FileName, fmCreate);
-  except
-    Log.LogError('Could not open file: "' + FileName + '"', 'WriteBMPImage');
-    Exit;
-  end;
-
-  // only 24bit (BGR) or 32bit (BGRA) data is supported, so convert to it
-  Surface := ConvertToBGR_BGRASurface(Surface, Converted);
-
-  // aligned (4-byte) row-size in bytes
-  RowSize := ((Surface.w * Surface.format.BytesPerPixel + 3) div 4) * 4;
-
-  // initialize bitmap info
-  FillChar(FileInfo, SizeOf(BITMAPINFOHEADER), 0);
-  with FileInfo do
-  begin
-    biSize := SizeOf(BITMAPINFOHEADER);
-    biWidth := Surface.w;
-    biHeight := Surface.h;
-    biPlanes := 1;
-    biBitCount := Surface^.format^.BitsPerPixel;
-    biCompression := BI_RGB;
-    biSizeImage := RowSize * Surface.h;
-  end;
-
-  // initialize header-data
-  FillChar(FileHeader, SizeOf(BITMAPFILEHEADER), 0);
-  with FileHeader do
-  begin
-    bfType := $4D42; // = 'BM'
-    bfOffBits := SizeOf(BITMAPFILEHEADER) + SizeOf(BITMAPINFOHEADER);
-    bfSize := bfOffBits + FileInfo.biSizeImage;
-  end;
-
-  // and move the whole stuff into the file ;-)
-  try
-    // write headers
-    bmpFile.Write(FileHeader, SizeOf(BITMAPFILEHEADER));
-    bmpFile.Write(FileInfo,   SizeOf(BITMAPINFOHEADER));
-
-    // write image-data
-
-    if (SDL_MUSTLOCK(Surface)) then
-      SDL_LockSurface(Surface);
-
-    // BMP needs 4-byte alignment
-    if (Surface.pitch mod 4 = 0) then
-    begin
-      // aligned correctly -> write whole image at once
-      bmpFile.Write(Surface.pixels^, FileInfo.biSizeImage);
-    end
-    else
-    begin
-      // misaligned -> write each line separately
-      // Note: for the last line unassigned memory (> last Surface.pixels element)
-      //   will be copied to the padding area (last bytes of a row),
-      //   but we do not care because the content of padding data is ignored anyhow.
-      for Row := 0 to Surface.h do
-        bmpFile.Write(PChar(Surface.pixels)[Row * Surface.pitch], RowSize);
-    end;
-
-    if (SDL_MUSTLOCK(Surface)) then
-      SDL_UnlockSurface(Surface);
-
-    Result := true;
-  finally
-    Log.LogError('Could not write file: "' + FileName + '"', 'WriteBMPImage');
-  end;
-
-  if (Converted) then
-    SDL_FreeSurface(Surface);
-
-  // close file
-  bmpFile.Free;
-end;
-
-{$ENDIF}
-
-(***************************
- * JPG section
- *****************************)
-
-{$IFDEF HaveJPG}
-
-function WriteJPGImage(const FileName: string; Surface: PSDL_Surface; Quality: integer): boolean;
-var
-  {$IFDEF Delphi}
-  Bitmap:    TBitmap;
-  BitmapInfo: TBitmapInfo;
-  Jpeg:      TJpegImage;
-  row:       integer;
-  {$ELSE}
-  cinfo:     jpeg_compress_struct;
-  jerr :     jpeg_error_mgr;
-  jpgFile:   TFileStream;
-  rowPtr:    array[0..0] of JSAMPROW;
-  {$ENDIF}
-  converted: boolean;
-begin
-  Result := false;
-
-  {$IFDEF Delphi}
-    // only 24bit (BGR) data is supported, so convert to it
-    if (IsBGRSurface(Surface.format)) then
-      converted := false
-    else
-    begin
-      Surface := SDL_ConvertSurface(Surface, @PixelFmt_BGR, SDL_SWSURFACE);
-      converted := true;
-    end;
-
-    // create and setup bitmap
-    Bitmap := TBitmap.Create;
-    Bitmap.PixelFormat := pf24bit;
-    Bitmap.Width  := Surface.w;
-    Bitmap.Height := Surface.h;
-
-    // setup bitmap info on source image (Surface parameter)
-    ZeroMemory(@BitmapInfo, SizeOf(BitmapInfo));
-    with BitmapInfo.bmiHeader do
-    begin
-      biSize := SizeOf(BITMAPINFOHEADER);
-      biWidth  := Surface.w;
-      biHeight := Surface.h;
-      biPlanes := 1;
-      biBitCount := 24;
-      biCompression := BI_RGB;
-    end;
-
-    if (SDL_MUSTLOCK(Surface)) then
-      SDL_LockSurface(Surface);
-
-    // use fast Win32-API functions to copy data instead of Bitmap.Canvas.Pixels
-    if (Surface.pitch mod 4 = 0) then
-    begin
-      // if the image is aligned (to a 4-byte boundary) -> copy all data at once
-      // Note: surfaces created with SDL (e.g. with SDL_ConvertSurface) are aligned
-      SetDIBits(0, Bitmap.Handle, 0, Bitmap.Height, Surface.pixels, BitmapInfo, DIB_RGB_COLORS);
-    end
-    else
-    begin
-      // wrong alignment -> copy each line separately.
-      // Note: for the last line unassigned memory (> last Surface.pixels element)
-      //   will be copied to the padding area (last bytes of a row),
-      //   but we do not care because the content of padding data is ignored anyhow.
-      for row := 0 to Surface.h do
-      begin
-        SetDIBits(0, Bitmap.Handle, row, 1, @PChar(Surface.pixels)[row * Surface.pitch],
-          BitmapInfo, DIB_RGB_COLORS);
-      end;
-    end;
-
-    if (SDL_MUSTLOCK(Surface)) then
-      SDL_UnlockSurface(Surface);
-
-    // assign Bitmap to JPEG and store the latter
-    Jpeg := TJPEGImage.Create;
-    Jpeg.Assign(Bitmap);
-    Bitmap.Free;
-    Jpeg.CompressionQuality := Quality;
-    try
-      // compress image (don't forget this line, otherwise it won't be compressed)
-      Jpeg.Compress();
-      Jpeg.SaveToFile(FileName);
-    except
-      Log.LogError('Could not save file: "' + FileName + '"', 'WriteJPGImage');
-      Exit;
-    end;
-    Jpeg.Free;
-  {$ELSE}
-    // based on example.pas in FPC's packages/base/pasjpeg directory
-
-    // only 24bit (RGB) data is supported, so convert to it
-    if (IsRGBSurface(Surface.format)) then
-      converted := false
-    else
-    begin
-      Surface := SDL_ConvertSurface(Surface, @PixelFmt_RGB, SDL_SWSURFACE);
-      converted := true;
-    end;
-
-    // allocate and initialize JPEG compression object
-    cinfo.err := jpeg_std_error(jerr);
-    // msg_level that will be displayed. (Nomssi)
-    //jerr.trace_level := 3;
-    // initialize the JPEG compression object
-    jpeg_create_compress(@cinfo);
-
-    // open file for writing
-    try
-      jpgFile := TFileStream.Create(FileName, fmCreate);
-    except
-      Log.LogError('Could not open file: "' + FileName + '"', 'WriteJPGImage');
-      Exit;
-    end;
-
-    // specify data destination
-    jpeg_stdio_dest(@cinfo, @jpgFile);
-
-    // set parameters for compression
-    cinfo.image_width := Surface.w;
-    cinfo.image_height := Surface.h;
-    cinfo.in_color_space := JCS_RGB;
-    cinfo.input_components := 3;
-    cinfo.data_precision := 8;
-
-    // set default compression parameters
-    jpeg_set_defaults(@cinfo);
-    jpeg_set_quality(@cinfo, quality, true);
-
-    // start compressor
-    jpeg_start_compress(@cinfo, true);
-
-    if (SDL_MUSTLOCK(Surface)) then
-      SDL_LockSurface(Surface);
-
-    while (cinfo.next_scanline < cinfo.image_height) do
-    begin
-      // Note: the byte-count of a row is pitch (which is not width*bitsPerPixel if the image is aligned)
-      rowPtr[0] := JSAMPROW(@PChar(Surface.pixels)[(Surface.h-cinfo.next_scanline-1) * Surface.pitch]);
-      jpeg_write_scanlines(@cinfo, JSAMPARRAY(@rowPtr), 1);
-    end;
-
-    if (SDL_MUSTLOCK(Surface)) then
-      SDL_UnlockSurface(Surface);
-
-    // finish compression
-    jpeg_finish_compress(@cinfo);
-    // close the output file
-    jpgFile.Free;
-
-    // release JPEG compression object
-    jpeg_destroy_compress(@cinfo);
-  {$ENDIF}
-
-  if (converted) then
-    SDL_FreeSurface(Surface);
-
-  Result := true;
-end;
-
-{$ENDIF}
-
-
-(*******************************************************
- * Image loading
- *******************************************************)
-
-
-(*
- * Loads an image from the given file or resource
- *)
-function LoadImage(const Identifier: string): PSDL_Surface;
-var
-  TexRWops:  PSDL_RWops;
-  TexStream: TStream;
-  FileName: string;
-begin
-  Result   := nil;
-  TexRWops := nil;
-
-  if Identifier = '' then
-    exit;
-
-  //Log.LogStatus( Identifier, 'LoadImage' );
-
-  FileName := Identifier;
-
-  if (FileExistsInsensitive(FileName)) then
-  begin
-    // load from file
-    //Log.LogStatus( 'Is File ( Loading : '+FileName+')', '  LoadImage' );
-    try
-      Result := IMG_Load(PChar(FileName));
-      //Log.LogStatus( '       '+inttostr( integer( Result ) ), '  LoadImage' );
-    except
-      Log.LogError('Could not load from file "'+FileName+'"', 'LoadImage');
-      Exit;
-    end;
-  end
-  else
-  begin
-    //Log.LogStatus( 'IS Resource, because file does not exist.('+Identifier+')', '  LoadImage' );
-
-    TexStream := GetResourceStream(Identifier, 'TEX');
-    if (not assigned(TexStream)) then
-    begin
-      Log.LogError( 'Invalid file or resource "'+ Identifier+'"', 'LoadImage');
-      Exit;
-    end;
-
-    TexRWops := RWopsFromStream(TexStream);
-    if (TexRWops = nil) then
-    begin
-      Log.LogError( 'Could not assign resource "'+Identifier+'"', 'LoadImage');
-      TexStream.Free();
-      Exit;
-    end;
-
-    //Log.LogStatus( 'resource Assigned....' , Identifier);
-    try
-      Result := IMG_Load_RW(TexRWops, 0);
-    except
-      Log.LogError( 'Could not read resource "'+Identifier+'"', 'LoadImage');
-    end;
-
-    SDL_FreeRW(TexRWops);
-    TexStream.Free();
-  end;
-end;
-
-
-(*******************************************************
- * Image manipulation
- *******************************************************)
-
- 
-function PixelFormatEquals(fmt1, fmt2: PSDL_PixelFormat): boolean;
-begin
-  if (fmt1^.BitsPerPixel = fmt2^.BitsPerPixel) and
-     (fmt1^.BytesPerPixel = fmt2^.BytesPerPixel) and
-     (fmt1^.Rloss = fmt2^.Rloss) and (fmt1^.Gloss = fmt2^.Gloss) and
-     (fmt1^.Bloss = fmt2^.Bloss) and (fmt1^.Rmask = fmt2^.Rmask) and
-     (fmt1^.Gmask = fmt2^.Gmask) and (fmt1^.Bmask = fmt2^.Bmask) and
-     (fmt1^.Rshift = fmt2^.Rshift) and (fmt1^.Gshift = fmt2^.Gshift) and
-     (fmt1^.Bshift = fmt2^.Bshift)
-  then
-    Result := true
-  else
-    Result := false;
-end;
-
-procedure ScaleImage(var ImgSurface: PSDL_Surface; Width, Height: Cardinal);
-var
-  TempSurface: PSDL_Surface;
-begin
-  TempSurface := ImgSurface;
-  ImgSurface := SDL_ScaleSurfaceRect(TempSurface,
-                  0, 0, TempSurface^.W,TempSurface^.H,
-                  Width, Height);
-  SDL_FreeSurface(TempSurface);
-end;
-
-procedure FitImage(var ImgSurface: PSDL_Surface; Width, Height: Cardinal);
-var
-  TempSurface: PSDL_Surface;
-  ImgFmt: PSDL_PixelFormat; 
-begin
-  TempSurface := ImgSurface;
-
-  // create a new surface with given width and height
-  ImgFmt := TempSurface^.format;
-  ImgSurface := SDL_CreateRGBSurface(
-    SDL_SWSURFACE, Width, Height, ImgFmt^.BitsPerPixel,
-    ImgFmt^.RMask, ImgFmt^.GMask, ImgFmt^.BMask, ImgFmt^.AMask);
-
-  // copy image from temp- to new surface
-  SDL_SetAlpha(ImgSurface, 0, 255);
-  SDL_SetAlpha(TempSurface, 0, 255);
-  SDL_BlitSurface(TempSurface, nil, ImgSurface, nil);
-
-  SDL_FreeSurface(TempSurface);
-end;
-
-(*
-// Old slow floating point version of ColorizeTexture.
-// For an easier understanding of the faster fixed point version below.
-procedure ColorizeTexture(TexSurface: PSDL_Surface; Col: Cardinal);
-var
-  clr: array[0..2] of Double; // [0: R, 1: G, 2: B]
-  hsv: array[0..2] of Double; // [0: H(ue), 1: S(aturation), 2: V(alue)]
-  delta, f, p, q, t: Double;
-  max: Double;
-begin
-  clr[0] := PixelColors[0]/255;
-  clr[1] := PixelColors[1]/255;
-  clr[2] := PixelColors[2]/255;
-  max := maxvalue(clr);
-  delta := max - minvalue(clr);
-
-  hsv[0] := DestinationHue; // set H(ue)
-  hsv[2] := max; // set V(alue)
-  // calc S(aturation)
-  if (max = 0.0) then
-    hsv[1] := 0.0
-  else
-    hsv[1] := delta/max;
-
-  //ColorizePixel(PByteArray(Pixel), DestinationHue);
-  h_int := trunc(hsv[0]);             // h_int = |_h_|
-  f := hsv[0]-h_int;                  // f = h-h_int
-  p := hsv[2]*(1.0-hsv[1]);           // p = v*(1-s)
-  q := hsv[2]*(1.0-(hsv[1]*f));       // q = v*(1-s*f)
-  t := hsv[2]*(1.0-(hsv[1]*(1.0-f))); // t = v*(1-s*(1-f))
-  case h_int of
-    0: begin clr[0] := hsv[2]; clr[1] := t;      clr[2] := p;      end; // (v,t,p)
-    1: begin clr[0] := q;      clr[1] := hsv[2]; clr[2] := p;      end; // (q,v,p)
-    2: begin clr[0] := p;      clr[1] := hsv[2]; clr[2] := t;      end; // (p,v,t)
-    3: begin clr[0] := p;      clr[1] := q;      clr[2] := hsv[2]; end; // (p,q,v)
-    4: begin clr[0] := t;      clr[1] := p;      clr[2] := hsv[2]; end; // (t,p,v)
-    5: begin clr[0] := hsv[2]; clr[1] := p;      clr[2] := q;      end; // (v,p,q)
-  end;
-
-  // and store new rgb back into the image
-  PixelColors[0] := trunc(255*clr[0]);
-  PixelColors[1] := trunc(255*clr[1]);
-  PixelColors[2] := trunc(255*clr[2]);
-end;
-*)
-
-procedure ColorizeImage(ImgSurface: PSDL_Surface; NewColor: Cardinal);
-
-  //returns hue within range [0.0-6.0)
-  function col2hue(Color:Cardinal): double;
-  var
-    clr: array[0..2] of double;
-    hue, max, delta: double;
-  begin
-    clr[0] := ((Color and $ff0000) shr 16)/255; // R
-    clr[1] := ((Color and   $ff00) shr  8)/255; // G
-    clr[2] :=  (Color and     $ff)        /255; // B
-    max := maxvalue(clr);
-    delta := max - minvalue(clr);
-    // calc hue
-    if (delta = 0.0) then       hue := 0
-    else if (clr[0] = max) then hue :=     (clr[1]-clr[2])/delta
-    else if (clr[1] = max) then hue := 2.0+(clr[2]-clr[0])/delta
-    else if (clr[2] = max) then hue := 4.0+(clr[0]-clr[1])/delta;
-    if (hue < 0.0) then
-      hue := hue + 6.0;
-    Result := hue;
-  end;
-
-var
-  DestinationHue: Double;
-  PixelIndex: Cardinal;
-  Pixel: PByte;
-  PixelColors: PByteArray;
-  clr: array[0..2] of UInt32; // [0: R, 1: G, 2: B]
-  hsv: array[0..2] of UInt32; // [0: H(ue), 1: S(aturation), 2: V(alue)]
-  dhue: UInt32;
-  h_int: Cardinal;
-  delta, f, p, q, t: Longint;
-  max: Uint32;
-begin
-  DestinationHue := col2hue(NewColor);
-
-  dhue := Trunc(DestinationHue*1024);
-
-  Pixel := ImgSurface^.Pixels;
-
-  for PixelIndex := 0 to (ImgSurface^.W * ImgSurface^.H)-1 do
-  begin
-    PixelColors := PByteArray(Pixel);
-    // inlined colorize per pixel
-
-    // uses fixed point math
-    // get color values
-    clr[0] := PixelColors[0] shl 10;
-    clr[1] := PixelColors[1] shl 10;
-    clr[2] := PixelColors[2] shl 10;
-    //calculate luminance and saturation from rgb
-
-    max := clr[0];
-    if clr[1] > max then max := clr[1];
-    if clr[2] > max then max := clr[2];
-    delta := clr[0];
-    if clr[1] < delta then delta := clr[1];
-    if clr[2] < delta then delta := clr[2];
-    delta := max-delta;
-    hsv[0] := dhue;  // shl 8
-    hsv[2] := max;  // shl 8
-    if (max = 0) then
-      hsv[1] := 0
-    else
-      hsv[1] := (delta shl 10) div max; // shl 8
-    h_int := hsv[0] and $fffffC00;
-    f := hsv[0]-h_int; //shl 10
-    p := (hsv[2]*(1024-hsv[1])) shr 10;
-    q := (hsv[2]*(1024-(hsv[1]*f) shr 10)) shr 10;
-    t := (hsv[2]*(1024-(hsv[1]*(1024-f)) shr 10)) shr 10;
-    h_int := h_int shr 10;
-    case h_int of
-      0: begin clr[0] := hsv[2]; clr[1] := t;      clr[2] := p;      end; // (v,t,p)
-      1: begin clr[0] := q;      clr[1] := hsv[2]; clr[2] := p;      end; // (q,v,p)
-      2: begin clr[0] := p;      clr[1] := hsv[2]; clr[2] := t;      end; // (p,v,t)
-      3: begin clr[0] := p;      clr[1] := q;      clr[2] := hsv[2]; end; // (p,q,v)
-      4: begin clr[0] := t;      clr[1] := p;      clr[2] := hsv[2]; end; // (t,p,v)
-      5: begin clr[0] := hsv[2]; clr[1] := p;      clr[2] := q;      end; // (v,p,q)
-    end;
-
-    PixelColors[0] := clr[0] shr 10;
-    PixelColors[1] := clr[1] shr 10;
-    PixelColors[2] := clr[2] shr 10;
-
-    Inc(Pixel, ImgSurface^.format.BytesPerPixel);
-  end;
-end;
-
-end.