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text.h

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2003-2004 The ScummVM project
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Header: /cvsroot/scummvm/scummvm/sky/text.h,v 1.32 2004/01/06 12:45:32 fingolfin Exp $
 *
 */

#ifndef SKYTEXT_H
#define SKYTEXT_H

#include "stdafx.h"
#include "common/scummsys.h"

namespace Sky {

struct Compact;
class Disk;

struct HuffTree {
      unsigned char lChild;
      unsigned char rChild;
      unsigned char value;
};

#define NUM_PATCH_MSG 7

struct PatchMessage {
      uint32 textNr;
      char text[100];
};

class Text {
public:
      Text(Disk *skyDisk);
      ~Text(void);
      void getText(uint32 textNr);
      struct displayText_t displayText(uint8 *dest, bool centre, uint16 pixelWidth, uint8 color);
      struct displayText_t displayText(char *textPtr, uint8 *dest, bool centre, uint16 pixelWidth, uint8 color);
      void makeGameCharacter(uint8 textChar, uint8 *charSetPtr, uint8 *&data, uint8 color);
      struct lowTextManager_t lowTextManager(uint32 textNum, uint16 width, uint16 logicNum, uint8 color, bool centre);
      void fnSetFont(uint32 fontNr);
      void fnTextModule(uint32 textInfoId, uint32 textNo);
      void fnPointerText(uint32 pointedId, uint16 mouseX, uint16 mouseY);
      void logicCursor(Compact *textCompact, uint16 mouseX, uint16 mouseY);
      void changeTextSpriteColour(uint8 *sprData, uint8 newCol);
      uint32 giveCurrentCharSet(void) { return _curCharSet; };

protected:
      bool getTBit();
      void initHuffTree();
      char getTextChar();
      void patchChar(byte *charSetPtr, int width, int height, int c, const uint16 *data);
      void patchLINCCharset();
      bool patchMessage(uint32 textNum);

      Disk *_skyDisk;
      uint8 _inputValue;
      uint8 _shiftBits;
      uint8 *_textItemPtr;

      const HuffTree *_huffTree;

      struct charSet {
            uint8 *addr;
            uint32 charHeight;
            uint32 charSpacing;
      } _mainCharacterSet, _linkCharacterSet, _controlCharacterSet;

      uint32      _curCharSet;
      uint8 *_characterSet;
      uint8 _charHeight;
      uint8 *_preAfterTableArea;

      char _textBuffer[1024];
      uint8 _centreTable[40];

      uint8 *_mouseTextData;  //space for the mouse text
      uint8 _dtCol;
      uint16      _dtLineWidth;     //width of line in pixels
      uint32      _dtLines;   //no of lines to do
      uint32      _dtLineSize;      //size of one line in bytes
      uint8 *_dtData;   //address of textdata
      char  *_dtText;   //pointer to text
      uint32      _dtCharSpacing;   //character separation adjustment
      uint32      _dtWidth;   //width of chars in last line (for editing (?))
      uint32      _dtLastWidth;
      bool  _dtCentre;  //set for centre text
      uint32      _lowTextWidth, _mouseOfsX, _mouseOfsY;

      static const HuffTree _huffTree_00109[]; // trees moved to hufftext.cpp
      static const HuffTree _huffTree_00267[];
      static const HuffTree _huffTree_00288[];
      static const HuffTree _huffTree_00303[];
      static const HuffTree _huffTree_00331[];
      static const HuffTree _huffTree_00348[];
      static const HuffTree _huffTree_00365[];
      static const HuffTree _huffTree_00368[];
      static const HuffTree _huffTree_00372[];

      static const PatchMessage _patchedMessages[NUM_PATCH_MSG];
      static const uint16 _patchLangIdx[8];
      static const uint16 _patchLangNum[8];

public:
      uint32 _dtLetters;      //no of chars in message
};

} // End of namespace Sky

#endif

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