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209 lines
6.6 KiB
209 lines
6.6 KiB
/***************************************************************************
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img_saver.h - description
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-------------------
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begin : Mon Dec 27 1999
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copyright : (C) 1999 by Klaas Freitag
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email : freitag@suse.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This file may be distributed and/or modified under the terms of the *
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* GNU General Public License version 2 as published by the Free Software *
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* Foundation and appearing in the file COPYING included in the *
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* packaging of this file. *
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*
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* As a special exception, permission is given to link this program *
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* with any version of the KADMOS ocr/icr engine of reRecognition GmbH, *
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* Kreuzlingen and distribute the resulting executable without *
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* including the source code for KADMOS in the source distribution. *
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*
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* As a special exception, permission is given to link this program *
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* with any edition of Qt, and distribute the resulting executable, *
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* without including the source code for Qt in the source distribution. *
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* *
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***************************************************************************/
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#ifndef __IMG_SAVER_H__
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#define __IMG_SAVER_H__
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#include <qobject.h>
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#include <qwidget.h>
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#include <qlabel.h>
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#include <qmemarray.h>
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#include <qstring.h>
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#include <qimage.h>
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#include <stdlib.h>
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#include <qdialog.h>
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#include <qpushbutton.h>
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#include <qcombobox.h>
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#include <qcheckbox.h>
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#include <qlistbox.h>
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#include <qmap.h>
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#include <kdialogbase.h>
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#include <kurl.h>
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#define OP_FILE_ASK_FORMAT "AskForSaveFormat"
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#define OP_ASK_FILENAME "AskForFilename"
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#define OP_FORMAT_HICOLOR "HiColorSaveFormat"
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#define OP_FORMAT_COLOR "ColorSaveFormat"
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#define OP_FORMAT_GRAY "GraySaveFormat"
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#define OP_FORMAT_BW "BWSaveFormat"
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#define OP_FORMAT_THUMBNAIL "ThumbnailFormat"
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#define OP_PREVIEW_GROUP "ScanPreview"
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#define OP_PREVIEW_FILE "PreviewFile"
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#define OP_PREVIEW_FORMAT "PreviewFormat"
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#define OP_FILE_GROUP "Files"
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/**
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* enum ImgSaveStat:
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* Errorflags for the save. These enums are returned by the
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* all image save operations and the calling object my display
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* a human readable Error-Message on this information
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**/
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typedef enum {
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ISS_OK, /* Image save OK */
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ISS_ERR_PERM, /* permission Error */
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ISS_ERR_FILENAME, /* bad filename */
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ISS_ERR_NO_SPACE, /* no space on device */
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ISS_ERR_FORMAT_NO_WRITE, /* Image format can not be written */
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ISS_ERR_UNKNOWN,
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ISS_ERR_PARAM, /* Parameter wrong */
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ISS_ERR_PROTOCOL,
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ISS_SAVE_CANCELED
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} ImgSaveStat;
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/**
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* enum picType:
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* Specifies the type of the image to save. This is important for
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* getting the format.
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**/
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typedef enum {
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PT_PREVIEW,
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PT_THUMBNAIL,
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PT_HICOLOR_IMAGE,
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PT_COLOR_IMAGE,
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PT_GRAY_IMAGE,
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PT_BW_IMAGE,
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PT_FINISHED
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} picType;
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class KookaImage;
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/**
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* Class FormatDialog:
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* Asks the user for the image-Format and gives help for
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* selecting it.
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**/
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class FormatDialog:public KDialogBase
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{
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Q_OBJECT
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public:
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FormatDialog( QWidget *parent, const QString&, const char * );
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QString getFormat( ) const;
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QCString getSubFormat( ) const;
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QString errorString( ImgSaveStat stat );
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bool askForFormat( ) const
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{ return( ! cbDontAsk->isChecked()); }
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public slots:
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void setSelectedFormat( QString );
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protected slots:
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void showHelp( const QString& item );
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private:
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void check_subformat( const QString & format );
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void buildHelp( void );
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void readConfig( void );
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QMap<QString, QString> format_help;
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QComboBox *cb_subf;
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QListBox *lb_format;
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QLabel *l_help;
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QLabel *l2;
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QCheckBox *cbRemember;
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QCheckBox *cbDontAsk;
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};
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/**
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* Class ImgSaver:
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* The main class of this module. It manages all saving of images
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* in kooka
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* It asks the user for the img-format if desired, creates thumbnails
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* and cares for database entries (later ;)
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**/
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class ImgSaver:public QObject {
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Q_OBJECT
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public:
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/**
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* constructor of the image-saver object.
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* name is the name of a subdirectory of the save directory,
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* which can be given in dir. If no dir is given, an
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* dir ~/.ksane is created.
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* @param dir Name of the save root directory
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* @param name Name of a subdirectory in the saveroot.
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**/
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ImgSaver( QWidget *parent, const KURL );
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ImgSaver( QWidget *parent );
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QString errorString( ImgSaveStat );
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/**
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* returns the name of the last file that was saved by ImgSaver.
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*/
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QString lastFilename() const { return( last_file ); }
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KURL lastFileUrl() const { return( KURL(last_file )); }
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/**
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* returns the image format of the last saved image.
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*/
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QCString lastSaveFormat( void ) const { return( last_format ); }
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QString getFormatForType( picType ) const;
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void storeFormatForType( picType, QString, bool );
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bool isRememberedFormat( picType type, QString format ) const;
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/* static function that exports a file */
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static bool copyImage( const KURL& fromUrl, const KURL& toUrl, QWidget *overWidget=0 );
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static bool renameImage( const KURL& fromUrl, KURL& toUrl, bool askExt=false, QWidget *overWidget=0 );
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static QString tempSaveImage( KookaImage *img, const QString& format, int colors = -1 );
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/* static function that returns the extension of an url */
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static QString extension( const KURL& );
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public slots:
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ImgSaveStat saveImage( QImage *image );
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ImgSaveStat saveImage( QImage *image, const KURL& filename, const QString& imgFormat );
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private:
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QString picTypeAsString( picType type ) const;
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QString findFormat( picType type );
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QString findSubFormat( QString format );
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void createDir( const QString& );
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ImgSaveStat save( QImage *image, const QString &filename, const QString &format,
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const QString &subformat );
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QString createFilename( QString format );
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void readConfig( void );
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QString startFormatDialog( picType );
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// QStrList all_formats;
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QString directory; // dir where the image should be saved
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QString last_file;
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QCString subformat;
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QCString last_format;
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bool ask_for_format;
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// QDict<QString> formats;
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};
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#endif
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