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text.h

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2005-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-9-1/engines/kyra/text.h $
 * $Id: text.h 21365 2006-03-18 14:43:18Z lordhoto $
 *
 */

#ifndef KYRATEXT_H
#define KYRATEXT_H

namespace Kyra {
class Screen;

class TextDisplayer {
      struct TalkCoords {
            uint16 y, x, w;
      };

      enum {
            TALK_SUBSTRING_LEN = 80,
            TALK_SUBSTRING_NUM = 3
      };
public:
      TextDisplayer(Screen *screen);
      ~TextDisplayer() {}

      void setTalkCoords(uint16 y);
      int getCenterStringX(const char *str, int x1, int x2);
      int getCharLength(const char *str, int len);
      int dropCRIntoString(char *str, int offs);
      char *preprocessString(const char *str);
      int buildMessageSubstrings(const char *str);
      int getWidestLineWidth(int linesCount);
      void calcWidestLineBounds(int &x1, int &x2, int w, int cx);
      void restoreTalkTextMessageBkgd(int srcPage, int dstPage);
      void printTalkTextMessage(const char *text, int x, int y, uint8 color, int srcPage, int dstPage);
      void printText(const char *str, int x, int y, uint8 c0, uint8 c1, uint8 c2);
      void printCharacterText(const char *text, int8 charNum, int charX);

      uint16 _talkMessageY;
      uint16 _talkMessageH;
      bool printed() const { return _talkMessagePrinted; }
private:
      Screen *_screen;

      char _talkBuffer[300];
      char _talkSubstrings[TALK_SUBSTRING_LEN * TALK_SUBSTRING_NUM];
      TalkCoords _talkCoords;
      bool _talkMessagePrinted;
};
} // end of namespace Kyra

#endif


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