image.h

barcode readers [ from Image]

// CImage.h
//
// Abstract class for basic image definition
//
// Copyright (C) 2003, 2006 by Jon A. Webb (Contact via GMail; username is jonawebb)
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library 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
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//

#ifndef Image_h
#define Image_h

#include <e32cons.h>
#include <fbs.h>

namespace Core
{
	class CImage : public CBase
	{
		friend class CDebug;
		friend class IGrayImageIter;
		friend class IGrayIndex;
		friend class IImageSize;
		friend class IImageType;
		friend class IReplicate;
		friend class IRgb12bppImageIter;
		friend class IRgbImageIter;
		friend class IRgbIndex;
		friend class IShortImageIter;
		friend class IShortIndex;

		// LIFECYCLE
	public:
		CImage();
		CImage(CFbsBitmap&);
		CImage(const CImage& other);
		CImage& operator=(const CImage& other);
		virtual ~CImage();

		// use this when creating a new image not based on an existing 
		// CImage or CFbsBitmap. Note that this returns a CImage, not
		// a pointer to same.
		IMPORT_C static CImage NewL(int nWidth, int nHeight, TDisplayMode colorspace);
		// the exact same thing, but with a size parameter
		IMPORT_C static CImage NewL(TSize size, TDisplayMode colorspace);


		// Accessors
		//
		// LockLC
		//
		// Use this (once) before creating any iterators or indexers on any images.
		// It will ensure that the bitmap data location does not change.
		// It leaves an object on the cleanup stack; pop and destroy this object
		// when the iterators are no longer needed.
		void LockLC() const;

		// Attributes
	private:
		CFbsBitmap iBitmap;
	}; // class CImage

};  // namespace Core

#endif // Image_h