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/***************************************************************************
kookaimage.h - Kooka's Image
-------------------
begin : Thu Nov 20 2001
copyright : (C) 1999 by Klaas Freitag
email : freitag@suse.de
***************************************************************************/
/***************************************************************************
* *
* This file may be distributed and/or modified under the terms of the *
* GNU General Public License version 2 as published by the Free Software *
* Foundation and appearing in the file COPYING included in the *
* packaging of this file. *
*
* As a special exception, permission is given to link this program *
* with any version of the KADMOS ocr/icr engine of reRecognition GmbH, *
* Kreuzlingen and distribute the resulting executable without *
* including the source code for KADMOS in the source distribution. *
*
* As a special exception, permission is given to link this program *
* with any edition of TQt, and distribute the resulting executable, *
* without including the source code for TQt in the source distribution. *
* *
***************************************************************************/
#ifndef KOOKAIMAGE_H
#define KOOKAIMAGE_H
#include <kurl.h>
#include <tqimage.h>
#include <tqptrlist.h>
#include <tqvaluevector.h>
#include <tqrect.h>
#include <kfilemetainfo.h>
class KFileItem;
/**
* @author Klaas Freitag
*
* class that represents an image, very much as TQImage. But this one can contain
* multiple pages.
*/
typedef enum { MaxCut, MediumCut } TileMode;
class KookaImage: public TQImage
{
public:
KookaImage( );
/**
* creating a subimage for a tqparent image.
* @param subNo contains the sequence number of subimages to create.
* @param p is the tqparent image.
*/
KookaImage( int subNo, KookaImage *p );
KookaImage( const TQImage& img );
KookaImage& operator=(const KookaImage& );
KookaImage& operator=(const TQImage& );
/**
* load an image from a KURL. This method reads the entire file and sets
* the values for subimage count.
*/
bool loadFromUrl( const KURL& );
~KookaImage();
/**
* the amount of subimages. This is 0 if there are no subimages.
*/
int subImagesCount() const;
/**
* the tqparent image.
*/
KookaImage* parentImage() const;
/**
* returns true if this is a subimage.
*/
bool isSubImage() const;
/**
* extracts the correct subimage according to the number given in the constructor.
*/
void extractNow();
KURL url() const;
TQString localFileName( ) const;
/**
* Set and get the KFileItem of the image. Note that the KFileItem pointer returned
* may be zero.
*/
KFileItem* fileItem() const;
void setFileItem( KFileItem* );
/**
* @return the KFileMetaInfo
**/
const KFileMetaInfo fileMetaInfo( );
/**
* set the url of the kooka image. Note that loadFromUrl sets this
* url automatically.
*/
void setUrl( const KURL& url )
{ m_url = url; }
/**
* checks if the image is file bound ie. was loaded from file. If this
* method returns false, fileMetaInfo and FileItem are undefined.
*/
bool isFileBound()const { return m_fileBound; }
/**
* Create tiles on the given image. That is just cut the image in parts
* while non of the parts is larger than maxSize and store the rect list.
* The parameters rows and cols contain the number of rows and cols after
* tiling. If both are one, the image is smaller than maxSize, thus the
* left-top tile is index 1,1.
* Use getTile() to read the TQRect list.
*/
int cutToTiles( const TQSize maxSize, int& rows, int& cols, TileMode mode = MaxCut );
/**
* read tiles from the tile list. The image needs to be tiled by method
* cutToTiles before.
*/
TQRect getTileRect( int rowPos, int colPos ) const;
/**
* retrieve the sub number of this image.
*/
int subNumber() const { return m_subNo; }
private:
int m_subImages;
bool loadTiffDir( const TQString&, int );
/* if subNo is 0, the image is the one and only. If it is larger than 0, the
* tqparent contains the filename */
int m_subNo;
/* In case being a subimage */
KookaImage *m_parent;
KURL m_url;
/* Fileitem if available */
KFileItem *m_fileItem;
bool m_fileBound;
TQValueVector<TQRect> m_tileVector;
int m_tileCols; /* number of tile columns */
};
class KookaImageList: public TQPtrList<KookaImage>
{
public:
KookaImageList() {}
~KookaImageList() {}
};
#endif
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