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/***************************************************************************
img_saver.h - description
-------------------
begin : Mon Dec 27 1999
copyright : (C) 1999 by Klaas Freitag
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* 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 __IMG_SAVER_H__
#define __IMG_SAVER_H__
#include <tqobject.h>
#include <tqwidget.h>
#include <tqlabel.h>
#include <tqmemarray.h>
#include <tqstring.h>
#include <tqimage.h>
#include <stdlib.h>
#include <tqdialog.h>
#include <tqpushbutton.h>
#include <tqcombobox.h>
#include <tqcheckbox.h>
#include <tqlistbox.h>
#include <tqmap.h>
#include <kdialogbase.h>
#include <kurl.h>
#define OP_FILE_ASK_FORMAT "AskForSaveFormat"
#define OP_ASK_FILENAME "AskForFilename"
#define OP_FORMAT_HICOLOR "HiColorSaveFormat"
#define OP_FORMAT_COLOR "ColorSaveFormat"
#define OP_FORMAT_GRAY "GraySaveFormat"
#define OP_FORMAT_BW "BWSaveFormat"
#define OP_FORMAT_THUMBNAIL "ThumbnailFormat"
#define OP_PREVIEW_GROUP "ScanPreview"
#define OP_PREVIEW_FILE "PreviewFile"
#define OP_PREVIEW_FORMAT "PreviewFormat"
#define OP_FILE_GROUP "Files"
/**
* enum ImgSaveStat:
* Errorflags for the save. These enums are returned by the
* all image save operations and the calling object my display
* a human readable Error-Message on this information
**/
typedef enum {
ISS_OK, /* Image save OK */
ISS_ERR_PERM, /* permission Error */
ISS_ERR_FILENAME, /* bad filename */
ISS_ERR_NO_SPACE, /* no space on device */
ISS_ERR_FORMAT_NO_WRITE, /* Image format can not be written */
ISS_ERR_UNKNOWN,
ISS_ERR_PARAM, /* Parameter wrong */
ISS_ERR_PROTOCOL,
ISS_SAVE_CANCELED
} ImgSaveStat;
/**
* enum picType:
* Specifies the type of the image to save. This is important for
* getting the format.
**/
typedef enum {
PT_PREVIEW,
PT_THUMBNAIL,
PT_HICOLOR_IMAGE,
PT_COLOR_IMAGE,
PT_GRAY_IMAGE,
PT_BW_IMAGE,
PT_FINISHED
} picType;
class KookaImage;
/**
* Class FormatDialog:
* Asks the user for the image-Format and gives help for
* selecting it.
**/
class FormatDialog:public KDialogBase
{
TQ_OBJECT
public:
FormatDialog( TQWidget *parent, const TQString&, const char * );
TQString getFormat( ) const;
TQCString getSubFormat( ) const;
TQString errorString( ImgSaveStat stat );
bool askForFormat( ) const
{ return( ! cbDontAsk->isChecked()); }
public slots:
void setSelectedFormat( TQString );
protected slots:
void showHelp( const TQString& item );
private:
void check_subformat( const TQString & format );
void buildHelp( void );
void readConfig( void );
TQMap<TQString, TQString> format_help;
TQComboBox *cb_subf;
TQListBox *lb_format;
TQLabel *l_help;
TQLabel *l2;
TQCheckBox *cbRemember;
TQCheckBox *cbDontAsk;
};
/**
* Class ImgSaver:
* The main class of this module. It manages all saving of images
* in kooka
* It asks the user for the img-format if desired, creates thumbnails
* and cares for database entries (later ;)
**/
class ImgSaver:public TQObject {
TQ_OBJECT
public:
/**
* constructor of the image-saver object.
* name is the name of a subdirectory of the save directory,
* which can be given in dir. If no dir is given, an
* dir ~/.ksane is created.
* @param dir Name of the save root directory
* @param name Name of a subdirectory in the saveroot.
**/
ImgSaver( TQWidget *parent, const KURL );
ImgSaver( TQWidget *parent );
TQString errorString( ImgSaveStat );
/**
* returns the name of the last file that was saved by ImgSaver.
*/
TQString lastFilename() const { return( last_file ); }
KURL lastFileUrl() const { return( KURL(last_file )); }
/**
* returns the image format of the last saved image.
*/
TQCString lastSaveFormat( void ) const { return( last_format ); }
TQString getFormatForType( picType ) const;
void storeFormatForType( picType, TQString, bool );
bool isRememberedFormat( picType type, TQString format ) const;
/* static function that exports a file */
static bool copyImage( const KURL& fromUrl, const KURL& toUrl, TQWidget *overWidget=0 );
static bool renameImage( const KURL& fromUrl, KURL& toUrl, bool askExt=false, TQWidget *overWidget=0 );
static TQString tempSaveImage( KookaImage *img, const TQString& format, int colors = -1 );
/* static function that returns the extension of an url */
static TQString extension( const KURL& );
public slots:
ImgSaveStat saveImage( TQImage *image );
ImgSaveStat saveImage( TQImage *image, const KURL& filename, const TQString& imgFormat );
private:
TQString picTypeAsString( picType type ) const;
TQString findFormat( picType type );
TQString findSubFormat( TQString format );
void createDir( const TQString& );
ImgSaveStat save( TQImage *image, const TQString &filename, const TQString &format,
const TQString &subformat );
TQString createFilename( TQString format );
void readConfig( void );
TQString startFormatDialog( picType );
// TQStrList all_formats;
TQString directory; // dir where the image should be saved
TQString last_file;
TQCString subformat;
TQCString last_format;
bool ask_for_format;
// TQDict<TQString> formats;
};
#endif
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