Logo Search packages:      
Sourcecode: ktechlab version File versions  Download package

itemlibrary.h

/***************************************************************************
 *   Copyright (C) 2003 by David Saxton                                    *
 *   david@bluehaze.org                                                    *
 *                                                                         *
 *   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.                                   *
 ***************************************************************************/

#ifndef ITEMLIBRARY_H
#define ITEMLIBRARY_H

#include <qcolor.h>
#include <qmap.h>

class Document;
class Item;
class ItemDocument;
class ItemLibrary;
class LibraryItem;
inline ItemLibrary* itemLibrary();

typedef QMap< QString, QImage > ImageMap;
typedef QValueList<LibraryItem*> LibraryItemList;

/**
While the program is running, only one instance of this class is created.
You can get it by calling itemLibrary()
@short Holds the list of CNItems
@author David Saxton
*/
00033 class ItemLibrary
{
public:
      ~ItemLibrary();
      /**
       * Returns a QPixmap of the item icon
       */
      QPixmap itemIconFull( const QString &id );
      /**
       * Append the given item into the library
       */
      void addLibraryItem( LibraryItem *item );
      /**
       * Returns a list of items in the library
       */
00048       LibraryItemList* items() { return &m_items; }
      /**
       * Creates a new item with the given id, and returns a pointer to it
       */
      Item *createItem( const QString &id, ItemDocument *itemDocument, bool newItem, const char *newId = 0L, bool finishCreation = true );
      /**
       * Returns an image of the given cnitem. As QPixmap::convertToImage is
       * a *very* slow function, this will cache the result and return that for
       * large images.
       * @param cnItem A pointer to the CNItem
       * @param maxSize The maximum size (in pixels) before the image is cached
       */
      QImage itemImage( Item *item, const uint maxSize = 36000 );
      
protected:
      void addComponents();
      void addFlowParts();
      void addMechanics();
      void addDrawParts();
      
      ItemLibrary();
      
      LibraryItemList m_items;
      ImageMap m_imageMap;
      
      friend ItemLibrary* itemLibrary();
};

inline ItemLibrary* itemLibrary()
{
      static ItemLibrary *_itemLibrary = new ItemLibrary();
      return _itemLibrary;
}

#endif

Generated by  Doxygen 1.6.0   Back to index