rename Classes part1

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@1307 b956fd51-792f-4845-bead-9b4dfca2ff2c

1 files changed, 0 insertions, 430 deletions

diff --git a/src/Classes/UCovers.pas b/src/Classes/UCovers.pas
deleted file mode 100644
index 7bb57b4a..00000000
--- a/src/Classes/UCovers.pas
+++ /dev/null
@@ -1,430 +0,0 @@
-unit UCovers;
-
-{
-  TODO:
-  - adjust database to new song-loading (e.g. use SongIDs)
-  - support for deletion of outdated covers
-  - support for update of changed covers
-  - use paths relative to the song for removable disks support
-    (a drive might have a different drive-name the next time it is connected,
-     so "H:/songs/..." will not match "I:/songs/...") 
-}
-
-interface
-
-{$IFDEF FPC}
-  {$MODE Delphi}
-{$ENDIF}
-
-{$I switches.inc}
-
-uses
-  sdl,
-  SQLite3,
-  SQLiteTable3,
-  SysUtils,
-  Classes,
-  UImage,
-  UTexture;
-
-type
-  ECoverDBException = class(Exception)
-  end;
-
-  TCover = class
-    private
-      ID: int64;
-      Filename: WideString;
-    public
-      constructor Create(ID: int64; Filename: WideString);
-      function GetPreviewTexture(): TTexture;
-      function GetTexture(): TTexture;
-  end;
-
-  TThumbnailInfo = record
-    CoverWidth: integer;         // Original width of cover
-    CoverHeight: integer;        // Original height of cover
-    PixelFormat: TImagePixelFmt; // Pixel-format of thumbnail
-  end;
-  
-  TCoverDatabase = class
-    private
-      DB: TSQLiteDatabase;
-      procedure InitCoverDatabase();
-      function CreateThumbnail(const Filename: WideString; var Info: TThumbnailInfo): PSDL_Surface;
-      function LoadCover(CoverID: int64): TTexture;
-      procedure DeleteCover(CoverID: int64);
-      function FindCoverIntern(const Filename: WideString): int64;
-      procedure Open();
-      function GetVersion(): integer;
-      procedure SetVersion(Version: integer);
-    public
-      constructor Create();
-      destructor Destroy; override;
-      function AddCover(const Filename: WideString): TCover;
-      function FindCover(const Filename: WideString): TCover;
-      function CoverExists(const Filename: WideString): boolean;
-      function GetMaxCoverSize(): integer;
-      procedure SetMaxCoverSize(Size: integer);
-  end;
-
-  TBlobWrapper = class(TCustomMemoryStream)
-     function Write(const Buffer; Count: Integer): Integer; override;
-  end;
-
-var
-  Covers: TCoverDatabase;
-
-implementation
-
-uses
-  UMain,
-  ULog,
-  UPlatform,
-  UIni,
-  Math,
-  DateUtils;
-
-const
-  COVERDB_FILENAME = 'cover.db';
-  COVERDB_VERSION = 01; // 0.1
-  COVER_TBL = 'Cover';
-  COVER_THUMBNAIL_TBL = 'CoverThumbnail';
-  COVER_IDX = 'Cover_Filename_IDX';
-
-// Note: DateUtils.DateTimeToUnix() will throw an exception in FPC
-function DateTimeToUnixTime(time: TDateTime): int64;
-begin
-  Result := Round((time - UnixDateDelta) * SecsPerDay);
-end;
-
-// Note: DateUtils.UnixToDateTime() will throw an exception in FPC
-function UnixTimeToDateTime(timestamp: int64): TDateTime;
-begin
-  Result := timestamp / SecsPerDay + UnixDateDelta;
-end;
-
-
-{ TBlobWrapper }
-
-function TBlobWrapper.Write(const Buffer; Count: Integer): Integer;
-begin
-  SetPointer(Pointer(Buffer), Count);
-  Result := Count;
-end;
-
-
-{ TCover }
-
-constructor TCover.Create(ID: int64; Filename: WideString);
-begin
-  Self.ID := ID;
-  Self.Filename := Filename;
-end;
-
-function TCover.GetPreviewTexture(): TTexture;
-begin
-  Result := Covers.LoadCover(ID);
-end;
-
-function TCover.GetTexture(): TTexture;
-begin
-  Result := Texture.LoadTexture(Filename);
-end;
-
-
-{ TCoverDatabase }
-
-constructor TCoverDatabase.Create();
-begin
-  inherited;
-
-  Open();
-  InitCoverDatabase();
-end;
-
-destructor TCoverDatabase.Destroy;
-begin
-  DB.Free;
-  inherited;
-end;
-
-function TCoverDatabase.GetVersion(): integer;
-begin
-  Result := DB.GetTableValue('PRAGMA user_version');
-end;
-
-procedure TCoverDatabase.SetVersion(Version: integer);
-begin
-  DB.ExecSQL(Format('PRAGMA user_version = %d', [Version]));
-end;
-
-function TCoverDatabase.GetMaxCoverSize(): integer;
-begin
-  Result := ITextureSizeVals[Ini.TextureSize];
-end;
-
-procedure TCoverDatabase.SetMaxCoverSize(Size: integer);
-var
-  I: integer;
-begin
-  // search for first valid cover-size > Size
-  for I := 0 to Length(ITextureSizeVals)-1 do
-  begin
-    if (Size <= ITextureSizeVals[I]) then
-    begin
-      Ini.TextureSize := I;
-      Exit;
-    end;
-  end;
-
-  // fall-back to highest size
-  Ini.TextureSize := High(ITextureSizeVals);
-end;
-
-procedure TCoverDatabase.Open();
-var
-  Version: integer;
-  Filename: string;
-begin
-  Filename := UTF8Encode(Platform.GetGameUserPath() + COVERDB_FILENAME);
-
-  DB := TSQLiteDatabase.Create(Filename);
-  Version := GetVersion();
-
-  // check version, if version is too old/new, delete database file
-  if ((Version <> 0) and (Version <> COVERDB_VERSION)) then
-  begin
-    Log.LogInfo('Outdated cover-database file found', 'TCoverDatabase.Open');
-    // close and delete outdated file
-    DB.Free;
-    if (not DeleteFile(Filename)) then
-      raise ECoverDBException.Create('Could not delete ' + Filename);
-    // reopen
-    DB := TSQLiteDatabase.Create(Filename);
-    Version := 0;
-  end;
-
-  // set version number after creation
-  if (Version = 0) then
-    SetVersion(COVERDB_VERSION);
-
-  // speed-up disk-writing. The default FULL-synchronous mode is too slow.
-  // With this option disk-writing is approx. 4 times faster but the database
-  // might be corrupted if the OS crashes, although this is very unlikely.
-  DB.ExecSQL('PRAGMA synchronous = OFF;');
-  
-  // the next line rather gives a slow-down instead of a speed-up, so we do not use it
-  //DB.ExecSQL('PRAGMA temp_store = MEMORY;');
-end;
-
-procedure TCoverDatabase.InitCoverDatabase();
-begin
-  DB.ExecSQL('CREATE TABLE IF NOT EXISTS ['+COVER_TBL+'] (' +
-               '[ID] INTEGER  NOT NULL PRIMARY KEY AUTOINCREMENT, ' +
-               '[Filename] TEXT  UNIQUE NOT NULL, ' +
-               '[Date] INTEGER  NOT NULL, ' +
-               '[Width] INTEGER  NOT NULL, ' +
-               '[Height] INTEGER  NOT NULL ' +
-             ')');
-
-  DB.ExecSQL('CREATE INDEX IF NOT EXISTS ['+COVER_IDX+'] ON ['+COVER_TBL+'](' +
-               '[Filename]  ASC' +
-             ')');
-
-  DB.ExecSQL('CREATE TABLE IF NOT EXISTS ['+COVER_THUMBNAIL_TBL+'] (' +
-               '[ID] INTEGER  NOT NULL PRIMARY KEY, ' +
-               '[Format] INTEGER  NOT NULL, ' +
-               '[Width] INTEGER  NOT NULL, ' +
-               '[Height] INTEGER  NOT NULL, ' +
-               '[Data] BLOB  NULL' +
-             ')');
-end;
-
-function TCoverDatabase.FindCoverIntern(const Filename: WideString): int64;
-begin
-  Result := DB.GetTableValue('SELECT [ID] FROM ['+COVER_TBL+'] ' +
-                             'WHERE [Filename] = ?',
-                             [UTF8Encode(Filename)]);
-end;
-
-function TCoverDatabase.FindCover(const Filename: WideString): TCover;
-var
-  CoverID: int64;
-begin
-  Result := nil;
-  try
-    CoverID := FindCoverIntern(Filename);
-    if (CoverID > 0) then
-      Result := TCover.Create(CoverID, Filename);
-  except on E: Exception do
-    Log.LogError(E.Message, 'TCoverDatabase.FindCover');
-  end;
-end;
-
-function TCoverDatabase.CoverExists(const Filename: WideString): boolean;
-begin
-  Result := false;
-  try
-    Result := (FindCoverIntern(Filename) > 0);
-  except on E: Exception do
-    Log.LogError(E.Message, 'TCoverDatabase.CoverExists');
-  end;
-end;
-
-function TCoverDatabase.AddCover(const Filename: WideString): TCover;
-var
-  CoverID: int64;
-  Thumbnail: PSDL_Surface;
-  CoverData: TBlobWrapper;
-  FileDate: TDateTime;
-  Info: TThumbnailInfo;
-begin
-  Result := nil;
-
-  //if (not FileExists(Filename)) then
-  //  Exit;
-
-  // TODO: replace '\' with '/' in filename
-  FileDate := Now(); //FileDateToDateTime(FileAge(Filename));
-
-  Thumbnail := CreateThumbnail(Filename, Info);
-  if (Thumbnail = nil) then
-    Exit;
-
-  CoverData := TBlobWrapper.Create;
-  CoverData.Write(Thumbnail^.pixels, Thumbnail^.h * Thumbnail^.pitch);
-
-  try
-    // Note: use a transaction to speed-up file-writing.
-    // Without data written by the first INSERT might be moved at the second INSERT. 
-    DB.BeginTransaction();
-
-    // add general cover info
-    DB.ExecSQL('INSERT INTO ['+COVER_TBL+'] ' +
-               '([Filename], [Date], [Width], [Height]) VALUES' +
-               '(?, ?, ?, ?)',
-               [UTF8Encode(Filename), DateTimeToUnixTime(FileDate),
-                Info.CoverWidth, Info.CoverHeight]);
-
-    // get auto-generated cover ID
-    CoverID := DB.GetLastInsertRowID();
-
-    // add thumbnail info
-    DB.ExecSQL('INSERT INTO ['+COVER_THUMBNAIL_TBL+'] ' +
-               '([ID], [Format], [Width], [Height], [Data]) VALUES' +
-               '(?, ?, ?, ?, ?)',
-               [CoverID, Ord(Info.PixelFormat),
-                Thumbnail^.w, Thumbnail^.h, CoverData]);
-
-    Result := TCover.Create(CoverID, Filename);
-  except on E: Exception do
-    Log.LogError(E.Message, 'TCoverDatabase.AddCover');
-  end;
-
-  DB.Commit();
-  CoverData.Free;
-  SDL_FreeSurface(Thumbnail);
-end;
-
-function TCoverDatabase.LoadCover(CoverID: int64): TTexture;
-var
-  Width, Height: integer;
-  PixelFmt: TImagePixelFmt;
-  Data: PChar;
-  DataSize: integer;
-  Filename: WideString;
-  Table: TSQLiteUniTable;
-begin
-  Table := nil;
-
-  try
-    Table := DB.GetUniTable(Format(
-      'SELECT C.[Filename], T.[Format], T.[Width], T.[Height], T.[Data] ' +
-      'FROM ['+COVER_TBL+'] C ' +
-        'INNER JOIN ['+COVER_THUMBNAIL_TBL+'] T ' +
-        'USING(ID) ' +
-      'WHERE [ID] = %d', [CoverID]));
-
-    Filename := UTF8Decode(Table.FieldAsString(0));
-    PixelFmt := TImagePixelFmt(Table.FieldAsInteger(1));
-    Width    := Table.FieldAsInteger(2);
-    Height   := Table.FieldAsInteger(3);
-
-    Data := Table.FieldAsBlobPtr(4, DataSize);
-    if (Data <> nil) and
-       (PixelFmt = ipfRGB) then
-    begin
-      Result := Texture.CreateTexture(Data, Filename, Width, Height, 24)
-    end
-    else
-    begin
-      FillChar(Result, SizeOf(TTexture), 0);
-    end;
-  except on E: Exception do
-    Log.LogError(E.Message, 'TCoverDatabase.LoadCover');
-  end;
-
-  Table.Free;
-end;
-
-procedure TCoverDatabase.DeleteCover(CoverID: int64);
-begin
-  DB.ExecSQL(Format('DELETE FROM ['+COVER_TBL+'] WHERE [ID] = %d', [CoverID]));
-  DB.ExecSQL(Format('DELETE FROM ['+COVER_THUMBNAIL_TBL+'] WHERE [ID] = %d', [CoverID]));
-end;
-
-(**
- * Returns a pointer to an array of bytes containing the texture data in the
- * requested size
- *)
-function TCoverDatabase.CreateThumbnail(const Filename: WideString; var Info: TThumbnailInfo): PSDL_Surface;
-var
-  TargetAspect, SourceAspect: double;
-  //TargetWidth, TargetHeight: integer;
-  Thumbnail: PSDL_Surface;
-  MaxSize: integer;
-begin
-  Result := nil;
-
-  MaxSize := GetMaxCoverSize();
-
-  Thumbnail := LoadImage(Filename);
-  if (not assigned(Thumbnail)) then
-  begin
-    Log.LogError('Could not load cover: "'+ Filename +'"', 'TCoverDatabase.AddCover');
-    Exit;
-  end;
-
-  // Convert pixel format as needed
-  AdjustPixelFormat(Thumbnail, TEXTURE_TYPE_PLAIN);
-
-  Info.CoverWidth  := Thumbnail^.w;
-  Info.CoverHeight := Thumbnail^.h;
-  Info.PixelFormat := ipfRGB;
-
-  (* TODO: keep aspect ratio
-  TargetAspect := Width / Height;
-  SourceAspect := TexSurface.w / TexSurface.h;
-
-  // Scale texture to covers dimensions (keep aspect)
-  if (SourceAspect >= TargetAspect) then
-  begin
-    TargetWidth := Width;
-    TargetHeight := Trunc(Width / SourceAspect);
-  end
-  else
-  begin
-    TargetHeight := Height;
-    TargetWidth := Trunc(Height * SourceAspect);
-  end;
-  *)
-
-  // TODO: do not scale if image is smaller
-  ScaleImage(Thumbnail, MaxSize, MaxSize);
-  
-  Result := Thumbnail;
-end;
-
-end.
-