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surface.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/lure/surface.h $
 * $Id: surface.h 22809 2006-05-31 20:05:31Z anotherguest $
 *
 */

#ifndef __lure_surface_h__
#define __lure_surface_h__

#include "common/stdafx.h"
#include "common/str.h"
#include "lure/disk.h"
#include "lure/luredefs.h"

using namespace Common;

namespace Lure {

class Surface {
private:
      MemoryBlock *_data;     
      uint16 _width, _height;
public:
      Surface(MemoryBlock *src, uint16 width, uint16 height);
      Surface(uint16 width, uint16 height);           
      ~Surface();
      
      static void initialise();
      static void deinitialise();

      uint16 width() { return _width; }
      uint16 height() { return _height; }
      MemoryBlock &data() { return *_data; }

      void loadScreen(uint16 resourceId);
      void writeChar(uint16 x, uint16 y, uint8 ascii, bool transparent, uint8 colour);
      void writeString(uint16 x, uint16 y, Common::String line, bool transparent, 
            uint8 colour = DIALOG_TEXT_COLOUR, bool varLength = true);
      void transparentCopyTo(Surface *dest);
      void copyTo(Surface *dest);
      void copyTo(Surface *dest, uint16 x, uint16 y);
      void copyTo(Surface *dest, const Common::Rect &srcBounds, uint16 destX, uint16 destY,
            int transparentColour = -1);
      void copyFrom(MemoryBlock *src) { _data->copyFrom(src); }
      void copyFrom(MemoryBlock *src, uint32 destOffset);
      void empty() { _data->empty(); }
      void fillRect(const Common::Rect &r, uint8 colour);
      void createDialog(bool blackFlag = false);
      void copyToScreen(uint16 x, uint16 y);
      void centerOnScreen();

      static uint16 textWidth(const char *s, int numChars = 0);
      static void wordWrap(char *text, uint16 width, char **&lines, uint8 &numLines);
      static Surface *newDialog(uint16 width, uint8 numLines, char **lines, bool varLength = true, uint8 colour = DIALOG_TEXT_COLOUR);
      static Surface *newDialog(uint16 width, const char *lines, uint8 colour = DIALOG_TEXT_COLOUR);
      static Surface *getScreen(uint16 resourceId);
};

class Dialog {
public:
      static void show(const char *text);
      static void show(uint16 stringId);
      static void showMessage(uint16 messageId, uint16 characterId);
};

class TalkDialog {
private:
      Surface *_surface;
      char _desc[MAX_DESC_SIZE];
      char **_lines;
      uint8 _numLines;
public:
      TalkDialog(uint16 characterId, uint16 descId);
      ~TalkDialog();

      char *desc() { return _desc; }
      Surface &surface() { return *_surface; }
};

} // End of namespace Lure

#endif

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