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tdegraphics/libkscan/scanparams.cpp

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/* This file is part of the KDE Project
Copyright (C) 1999 Klaas Freitag <freitag@suse.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <sane/saneopts.h>
#include <qcstring.h>
#include <qfile.h>
#include <qframe.h>
#include <qlabel.h>
#include <qpushbutton.h>
#include <qcombobox.h>
#include <qimage.h>
#include <qtooltip.h>
#include <qmessagebox.h>
#include <qlayout.h>
#include <qdict.h>
#include <qprogressdialog.h>
#include <qscrollview.h>
#include <qsizepolicy.h>
#include <qcheckbox.h>
#include <qbuttongroup.h>
#include <kfiledialog.h>
#include <klocale.h>
#include <kdebug.h>
#include <kbuttonbox.h>
#include <kiconloader.h>
#include <kled.h>
#include <kseparator.h>
#include "scanparams.h"
#include <scansourcedialog.h>
#include "massscandialog.h"
#include <gammadialog.h>
#include "kscanslider.h"
ScanParams::ScanParams( QWidget *parent, const char *name )
: QVBox( parent, name ),
m_firstGTEdit( true )
{
/* first some initialisation and debug messages */
sane_device = 0; virt_filename = 0;
pb_edit_gtable = 0;
cb_gray_preview = 0;
pb_source_sel = 0;
bg_virt_scan_mode = 0;
xy_resolution_bind = 0;
progressDialog = 0;
/* Preload icons */
pixMiniFloppy = SmallIcon( "3floppy_unmount" );
pixColor = SmallIcon( "palette_color" );
pixGray = SmallIcon( "palette_gray" );
pixLineArt = SmallIcon( "palette_lineart" );
pixHalftone = SmallIcon( "palette_halftone" );
/* intialise the default last save warnings */
startupOptset = 0;
}
bool ScanParams::connectDevice( KScanDevice *newScanDevice )
{
setMargin( KDialog::marginHint() );
setSpacing( KDialog::spacingHint() );
/* Debug: dump common Options */
if( ! newScanDevice )
{
kdDebug(29000) << "No scan device found !" << endl;
sane_device = 0L;
createNoScannerMsg();
return( true );
}
sane_device = newScanDevice;
QStrList strl = sane_device->getCommonOptions();
QString emp;
for ( emp=strl.first(); strl.current(); emp=strl.next() )
kdDebug(29000) << "Common: " << strl.current() << endl;
/* Start path for virual scanner */
last_virt_scan_path = QDir::home();
adf = ADF_OFF;
/* Frame stuff for toplevel of scanparams - beautification */
setFrameStyle( QFrame::Panel | QFrame::Raised );
setLineWidth( 1 );
/* initialise own widgets */
cb_gray_preview = 0;
/* A top layout box */
// QVBoxLayout *top = new QVBoxLayout(this, 6);
QHBox *hb = new QHBox( this );
hb->setSpacing( KDialog::spacingHint() );
QString cap = i18n("<B>Scanner Settings</B>") + " : ";
cap += sane_device->getScannerName();
(void ) new QLabel( cap, hb );
m_led = new KLed( hb );
m_led->setState( KLed::Off );
m_led->setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ));
(void) new KSeparator( KSeparator::HLine, this);
/* Now create Widgets for the important scan settings */
QScrollView *sv = 0;
if( sane_device->optionExists( SANE_NAME_FILE ) )
{
/* Its a virtual scanner */
scan_mode = ID_SANE_DEBUG;
virtualScannerParams( );
} else {
scan_mode = ID_SCAN;
/* load the startup scanoptions */
startupOptset = new KScanOptSet( DEFAULT_OPTIONSET );
Q_CHECK_PTR( startupOptset );
if( !startupOptset->load( "Startup" ) )
{
kdDebug(29000) << "Could not load Startup-Options" << endl;
delete startupOptset;
startupOptset = 0;
}
sv = scannerParams( );
}
/* Reload all options to care for inactive options */
sane_device->slReloadAll();
/* Create a Start-Scan-Button */
(void) new KSeparator( KSeparator::HLine, this);
KButtonBox *kbb = new KButtonBox( this );
QPushButton* pb = kbb->addButton( KGuiItem( i18n( "Final S&can" ), "scanner" ) );
connect( pb, SIGNAL(clicked()), this, SLOT(slStartScan()) );
pb = kbb->addButton( i18n( "&Preview Scan" ));
connect( pb, SIGNAL(clicked()), this, SLOT(slAcquirePreview()) );
kbb->layout();
/* Initialise the progress dialog */
progressDialog = new QProgressDialog( i18n("Scanning in progress"),
i18n("Stop"), 100, 0L,
"SCAN_PROGRESS", true, 0 );
progressDialog->setAutoClose( true );
progressDialog->setAutoReset( true );
connect( sane_device, SIGNAL(sigScanProgress(int)),
progressDialog, SLOT(setProgress(int)));
/* Connect the Progress Dialogs cancel-Button */
connect( progressDialog, SIGNAL( cancelled() ), sane_device,
SLOT( slStopScanning() ) );
return( true );
}
ScanParams::~ScanParams()
{
if( startupOptset )
{
delete startupOptset;
startupOptset = 0;
}
if( progressDialog )
{
delete( progressDialog );
progressDialog = 0;
}
}
void ScanParams::initialise( KScanOption *so )
{
if( ! so ) return;
bool initialised = false;
if( startupOptset )
{
QCString name = so->getName();
if( ! name.isEmpty() ){
QCString val = startupOptset->getValue( name );
kdDebug( 29000) << "Initialising <" << name << "> with value <" << val << ">" << endl;
so->set( val );
sane_device->apply(so);
initialised = true;
}
}
if( ! initialised )
{
}
}
QScrollView *ScanParams::scannerParams( )
{
KScanOption *so = 0;
/* Its a real scanner */
QScrollView *sv = new QScrollView( this );
sv->setHScrollBarMode( QScrollView::AlwaysOff );
sv->setResizePolicy( QScrollView::AutoOneFit );
QVBox *pbox = new QVBox( sv->viewport());
pbox->setSpacing( KDialog::spacingHint() );
sv->setFrameStyle( QFrame::NoFrame );
QHBox *hb = new QHBox(pbox);
/* Mode setting */
so = sane_device->getGuiElement( SANE_NAME_SCAN_MODE, hb,
SANE_TITLE_SCAN_MODE,
SANE_DESC_SCAN_MODE );
if ( so )
{
/* Pretty-Pixmap */
KScanCombo *cb = (KScanCombo*) so->widget();
Q_CHECK_PTR(cb);
// the following strings are not translatable since the sane library does not translate them.
// so, if we want icons, we have to keep them non-translated for now.
cb->slSetIcon( pixLineArt, "Line art" );
cb->slSetIcon( pixLineArt, "Lineart" );
cb->slSetIcon( pixLineArt, "Binary" );
cb->slSetIcon( pixGray, "Gray" );
cb->slSetIcon( pixGray, "Gray" );
cb->slSetIcon( pixColor, "Color" );
cb->slSetIcon( pixHalftone, "Halftone" );
// hb->setMargin( KDialog::marginHint() );
// hb->setSpacing( KDialog::spacingHint());
hb->setMargin( 0 ); /// KDialog::marginHint() );
hb->setSpacing( KDialog::spacingHint());
hb->setStretchFactor( cb, 5 );
initialise( so );
connect( so, SIGNAL(guiChange(KScanOption*)),
this, SLOT(slReloadAllGui( KScanOption* )));
}
/* Add a button for Source-Selection */
if( sane_device->optionExists( SANE_NAME_SCAN_SOURCE ))
{
KScanOption source( SANE_NAME_SCAN_SOURCE );
QStrList l = source.getList();
QWidget *spacer = new QWidget(hb);
hb->setStretchFactor( spacer, 1 );
kdDebug(29000) << "Source list size: " << l.count() << endl;
if( l.count() > 1 )
{
pb_source_sel = new QPushButton( i18n("Source..."), hb );
connect( pb_source_sel, SIGNAL(clicked()), this, SLOT(slSourceSelect()));
initialise( &source );
hb->setStretchFactor( pb_source_sel, 3 );
#if 0 /* Testing !! TODO: remove */
if( ! source.active() ) {
pb_source_sel->setEnabled( false );
}
#endif
}
else
{
kdDebug(29000) << "only one scan-source, do not show button." << endl;
}
}
/* Halftoning */
if( sane_device->optionExists( SANE_NAME_HALFTONE ) )
{
so = sane_device->getGuiElement( SANE_NAME_HALFTONE, pbox,
SANE_TITLE_HALFTONE,
SANE_DESC_HALFTONE );
if( so )
{
initialise(so);
connect( so, SIGNAL(guiChange(KScanOption*)),
this, SLOT(slReloadAllGui( KScanOption* )));
}
}
if( sane_device->optionExists( SANE_NAME_HALFTONE_DIMENSION) )
{
kdDebug(29000) << "Halftone-Dimen exists" << endl;
so = sane_device->getGuiElement( SANE_NAME_HALFTONE_DIMENSION, pbox,
SANE_TITLE_HALFTONE_DIMENSION,
SANE_DESC_HALFTONE_DIMENSION );
if( so )
{
initialise(so);
connect( so, SIGNAL(guiChange(KScanOption*)),
this, SLOT(slReloadAllGui( KScanOption* )));
}
}
if( sane_device->optionExists( SANE_NAME_HALFTONE_PATTERN) )
{
kdDebug(29000) << "Halftone-Pattern exists" << endl;
so = sane_device->getGuiElement( SANE_NAME_HALFTONE_PATTERN, pbox,
SANE_TITLE_HALFTONE_PATTERN,
SANE_DESC_HALFTONE_PATTERN );
if( so )
{
initialise(so);
connect( so, SIGNAL(guiChange(KScanOption*)),
this, SLOT(slReloadAllGui( KScanOption* )));
}
}
/* Resolution Setting -> X-Resolution Setting */
so = sane_device->getGuiElement( SANE_NAME_SCAN_X_RESOLUTION, pbox /* this */,
i18n("Resolution"),
SANE_DESC_SCAN_X_RESOLUTION );
if ( so )
{
initialise( so );
int x_y_res;
so->get( &x_y_res );
so->slRedrawWidget( so );
/* connect to slot that passes the resolution to the previewer */
connect( so, SIGNAL(guiChange(KScanOption*)),
this, SLOT( slNewXResolution(KScanOption*)));
connect( so, SIGNAL(guiChange(KScanOption*)),
this, SLOT(slReloadAllGui( KScanOption* )));
xy_resolution_bind =
sane_device->getGuiElement(SANE_NAME_RESOLUTION_BIND, pbox,
SANE_TITLE_RESOLUTION_BIND,
SANE_DESC_RESOLUTION_BIND );
if( xy_resolution_bind )
{
initialise( xy_resolution_bind );
xy_resolution_bind->slRedrawWidget( xy_resolution_bind );
/* Connect to Gui-change-Slot */
connect( xy_resolution_bind, SIGNAL(guiChange(KScanOption*)),
this, SLOT(slReloadAllGui( KScanOption* )));
}
/* Resolution Setting -> Y-Resolution Setting */
so = sane_device->getGuiElement( SANE_NAME_SCAN_Y_RESOLUTION, pbox,
SANE_TITLE_SCAN_Y_RESOLUTION,
SANE_DESC_SCAN_Y_RESOLUTION );
int y_res = x_y_res;
if ( so )
{
initialise( so );
if( so->active() )
so->get( &y_res );
so->slRedrawWidget( so );
}
emit( scanResolutionChanged( x_y_res, y_res ));
}
else
{
/* If the SCAN_X_RES does not exists, perhaps just SCAN_RES does */
so = sane_device->getGuiElement( SANE_NAME_SCAN_RESOLUTION, pbox,
SANE_TITLE_SCAN_Y_RESOLUTION,
SANE_DESC_SCAN_X_RESOLUTION );
if( so )
{
initialise( so );
}
else
{
kdDebug(29000) << "SERIOUS: No Resolution setting possible !" << endl;
}
}
/* Insert another beautification line */
(void) new KSeparator( KSeparator::HLine, pbox );
/* Speed-Setting - show only if active */
if( sane_device->optionExists( SANE_NAME_SCAN_SPEED ))
{
KScanOption kso_speed( SANE_NAME_SCAN_SPEED );
if( kso_speed.valid() && kso_speed.softwareSetable() && kso_speed.active())
{
so = sane_device->getGuiElement( SANE_NAME_SCAN_SPEED, pbox,
SANE_TITLE_SCAN_SPEED,
SANE_DESC_SCAN_SPEED );
initialise( so );
}
}
/* Threshold-Setting */
so = sane_device->getGuiElement( SANE_NAME_THRESHOLD, pbox,
SANE_TITLE_THRESHOLD,
SANE_DESC_THRESHOLD);
if( so )
{
initialise( so );
}
/* Brightness-Setting */
so = sane_device->getGuiElement( SANE_NAME_BRIGHTNESS, pbox,
SANE_TITLE_BRIGHTNESS,
SANE_DESC_BRIGHTNESS);
if( so ) initialise( so );
/* Contrast-Setting */
so = sane_device->getGuiElement( SANE_NAME_CONTRAST, pbox,
SANE_TITLE_CONTRAST,
SANE_DESC_CONTRAST );
if( so ) initialise( so );
/* Custom Gamma */
/* Sharpness */
so = sane_device->getGuiElement( "sharpness", pbox );
if( so ) initialise( so );
/* The gamma table can be used - add a button for editing */
QHBox *hb1 = new QHBox(pbox);
if( sane_device->optionExists( SANE_NAME_CUSTOM_GAMMA ) )
{
so = sane_device->getGuiElement( SANE_NAME_CUSTOM_GAMMA, hb1,
SANE_TITLE_CUSTOM_GAMMA,
SANE_DESC_CUSTOM_GAMMA );
initialise( so );
connect( so, SIGNAL(guiChange(KScanOption*)),
this, SLOT(slReloadAllGui( KScanOption* )));
}
else
{
(void) new QLabel( i18n("Custom Gamma Table"), hb1 );
}
/* Connect a signal to refresh activity of the gamma tables */
(void) new QWidget( hb1 ); /* dummy widget to eat space */
pb_edit_gtable = new QPushButton( i18n("Edit..."), hb1 );
Q_CHECK_PTR(pb_edit_gtable);
connect( pb_edit_gtable, SIGNAL( clicked () ),
this, SLOT( slEditCustGamma () ) );
setEditCustomGammaTableState();
/* This connection cares for enabling/disabling the edit-Button */
if(so )
connect( so, SIGNAL(guiChange(KScanOption*)),
this, SLOT(slOptionNotify(KScanOption*)));
/* my Epson Perfection backends offer a list of user defined gamma values */
/* Insert another beautification line */
if( sane_device->optionExists( SANE_NAME_GRAY_PREVIEW ) ||
sane_device->optionExists( SANE_NAME_NEGATIVE ) )
{
(void) new KSeparator( KSeparator::HLine, pbox );
}
so = sane_device->getGuiElement( SANE_NAME_NEGATIVE, pbox,
SANE_TITLE_NEGATIVE,
SANE_DESC_NEGATIVE );
initialise( so );
/* PREVIEW-Switch */
kdDebug(29000) << "Try to get Gray-Preview" << endl;
if( sane_device->optionExists( SANE_NAME_GRAY_PREVIEW ))
{
so = sane_device->getGuiElement( SANE_NAME_GRAY_PREVIEW, pbox,
SANE_TITLE_GRAY_PREVIEW,
SANE_DESC_GRAY_PREVIEW );
initialise( so );
cb_gray_preview = (QCheckBox*) so->widget();
QToolTip::add( cb_gray_preview, i18n("Acquire a gray preview even in color mode (faster)") );
}
QWidget *spacer = new QWidget( pbox );
spacer->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Expanding);
pbox->setMinimumWidth( pbox->sizeHint().width() );
sv->setMinimumWidth( pbox->minimumWidth() );
sv->addChild( pbox );
return( sv );
}
void ScanParams::createNoScannerMsg( void )
{
/* Mode setting */
QString cap;
cap = i18n( "<B>Problem: No Scanner was found</B><P>Your system does not provide a SANE <I>(Scanner Access Now Easy)</I> installation, which is required by the KDE scan support.<P>Please install and configure SANE correctly on your system.<P>Visit the SANE homepage under http://www.sane-project.org to find out more about SANE installation and configuration. " );
(void) new QLabel( cap, this );
}
/* This slot will be called if something changes with the option given as a param.
* This is useful if the parameter - Gui has widgets in his own space, which depend
* on widget controlled by the KScanOption.
*/
void ScanParams::slOptionNotify( KScanOption *kso )
{
if( !kso || !kso->valid()) return;
setEditCustomGammaTableState ();
}
void ScanParams::slSourceSelect( void )
{
kdDebug(29000) << "Open Window for source selection !" << endl;
KScanOption so( SANE_NAME_SCAN_SOURCE );
ADF_BEHAVE adf = ADF_OFF;
const QCString& currSource = so.get();
kdDebug(29000) << "Current Source is <" << currSource << ">" << endl;
QStrList sources;
if( so.valid() )
{
sources = so.getList();
#undef CHEAT_FOR_DEBUGGING
#ifdef CHEAT_FOR_DEBUGGING
if( sources.find( "Automatic Document Feeder" ) == -1)
sources.append( "Automatic Document Feeder" );
#endif
ScanSourceDialog d( this, sources, adf );
d.slSetSource( currSource );
if( d.exec() == QDialog::Accepted )
{
QString sel_source = d.getText();
adf = d.getAdfBehave();
/* set the selected Document source, the behavior is stored in a membervar */
so.set( QCString(sel_source.latin1()) ); // FIX in ScanSourceDialog, then here
sane_device->apply( &so );
kdDebug(29000) << "Dialog finished OK: " << sel_source << ", " << adf << endl;
}
}
}
/** slFileSelect
* this slot allows to select a file or directory for virtuell Scanning.
* If a dir is selected, the virt. Scanner crawls for all readable
* images, if a single file is selected, the virt Scanner just reads
* one file.
* If SANE Debug Mode is selected, only pnm can be loaded.
* on Qt mode, all available Qt-Formats are ok.
*/
void ScanParams::slFileSelect( void )
{
kdDebug(29000) << "File Selector" << endl;
QString filter;
QCString prefix = "\n*.";
if( scan_mode == ID_QT_IMGIO )
{
QStrList filterList = QImage::inputFormats();
filter = i18n( "*|All Files (*)");
for( QCString fi_item = filterList.first(); !fi_item.isEmpty();
fi_item = filterList.next() )
{
filter.append( QString::fromLatin1( prefix + fi_item.lower()) );
}
}
else
{
filter.append( i18n( "*.pnm|PNM Image Files (*.pnm)") );
}
KFileDialog fd(last_virt_scan_path.path(), filter, this, "FileDialog",true);
fd.setCaption( i18n("Select Input File") );
/* Read the filename and remind it */
QString fileName;
if ( fd.exec() == QDialog::Accepted ) {
fileName = fd.selectedFile();
QFileInfo ppath( fileName );
last_virt_scan_path = QDir(ppath.dirPath(true));
} else {
return;
}
if ( !fileName.isNull() && virt_filename ) { // got a file name
kdDebug(29000) << "Got fileName: " << fileName << endl;
// write Value to SANEOption, it updates itself.
virt_filename->set( QFile::encodeName( fileName ) );
}
}
/** Slot which is called if the user switches in the gui between
* the SANE-Debug-Mode and the qt image reading
*/
void ScanParams::slVirtScanModeSelect( int id )
{
if( id == 0 ) {
scan_mode = ID_SANE_DEBUG; /* , ID_QT_IMGIO */
sane_device->guiSetEnabled( "three-pass", true );
sane_device->guiSetEnabled( "grayify", true );
sane_device->guiSetEnabled( SANE_NAME_CONTRAST, true );
sane_device->guiSetEnabled( SANE_NAME_BRIGHTNESS, true );
/* Check if the entered filename to delete */
if( virt_filename ) {
QString vf = virt_filename->get();
kdDebug(29000) << "Found File in Filename-Option: " << vf << endl;
QFileInfo fi( vf );
if( fi.extension() != QString::fromLatin1("pnm") )
virt_filename->set(QCString(""));
}
} else {
scan_mode = ID_QT_IMGIO;
sane_device->guiSetEnabled( "three-pass", false );
sane_device->guiSetEnabled( "grayify", false );
sane_device->guiSetEnabled( SANE_NAME_CONTRAST, false );
sane_device->guiSetEnabled( SANE_NAME_BRIGHTNESS, false );
}
}
/**
* virtualScannerParams builds the GUI for the virtual scanner,
* which allows the user to read images from the harddisk.
*/
void ScanParams::virtualScannerParams( void )
{
#if 0
KScanOption *so = 0;
QWidget *w = 0;
/* Selection if virt. Scanner or SANE Debug */
bg_virt_scan_mode = new QButtonGroup( 2, Qt::Horizontal,
this, "GroupBoxVirtScanner" );
connect( bg_virt_scan_mode, SIGNAL(clicked(int)),
this, SLOT( slVirtScanModeSelect(int)));
QRadioButton *rb1 = new QRadioButton( i18n("SANE debug (pnm only)"),
bg_virt_scan_mode, "VirtScanSANEDebug" );
QRadioButton *rb2 = new QRadioButton( i18n("virt. Scan (all Qt modes)"),
bg_virt_scan_mode, "VirtScanQtModes" );
rb1->setChecked( true );
rb2->setChecked( false );
if( scan_mode == ID_QT_IMGIO )
{
rb2->setChecked( true );
rb1->setChecked( false );
}
top->addWidget( bg_virt_scan_mode, 1 );
/* GUI-Element Filename */
virt_filename = sane_device->getGuiElement( SANE_NAME_FILE, this,
SANE_TITLE_FILE,
SANE_DESC_FILE );
if( virt_filename )
{
QHBoxLayout *hb = new QHBoxLayout();
top->addLayout( hb );
w = virt_filename->widget();
w->setMinimumHeight( (w->sizeHint()).height());
connect( w, SIGNAL(returnPressed()), this,
SLOT( slCheckGlob()));
hb->addWidget( w, 12 );
QPushButton *pb_file_sel = new QPushButton( this );
pb_file_sel->setPixmap(miniFloppyPixmap);
//hb->addStretch( 1 );
hb->addWidget( pb_file_sel, 1 );
connect( pb_file_sel, SIGNAL(clicked()), this, SLOT(slFileSelect()));
}
/* GUI-Element Brightness */
so = sane_device->getGuiElement( SANE_NAME_BRIGHTNESS, this,
SANE_TITLE_BRIGHTNESS,
SANE_DESC_BRIGHTNESS );
if( so )
{
top->addWidget( so->widget(), 1 );
so->set( 0 );
sane_device->apply( so );
}
/* GUI-Element Contrast */
so = sane_device->getGuiElement( SANE_NAME_CONTRAST, this,
SANE_TITLE_CONTRAST,
SANE_DESC_CONTRAST );
if ( so )
{
top->addWidget( so->widget(), 1 );
so->set( 0 );
sane_device->apply( so );
}
/* GUI-Element grayify on startup */
so = sane_device->getGuiElement( "grayify", this, i18n("convert the image to gray on loading"), 0 );
if ( so )
{
top->addWidget( so->widget(), 1 );
so->set( true );
sane_device->apply( so );
}
/* GUI-Element three pass simulation */
so = sane_device->getGuiElement( "three-pass", this, i18n("Simulate three-pass acquiring"), 0 );
if ( so )
{
top->addWidget( so->widget(), 1 );
so->set( false );
sane_device->apply( so );
}
#endif
}
/* This slot is called if the user changes the
void ScanParams::slCheckGlob( void )
{
}
*/
/* Slot called to start scanning */
void ScanParams::slStartScan( void )
{
KScanStat stat = KSCAN_OK;
kdDebug(29000) << "Called start-scan-Slot!" << endl;
QString q;
if( scan_mode == ID_SANE_DEBUG || scan_mode == ID_QT_IMGIO )
{
if( virt_filename )
q = virt_filename->get();
if( q.isEmpty() )
{
QMessageBox::information( this, i18n("KSANE"),
i18n("The filename for virtual scanning is not set.\n"
"Please set the filename first.") );
stat = KSCAN_ERR_PARAM;
}
}
/* if it is a virt Scanner in SANE Debug or real scanning is on */
if( stat == KSCAN_OK )
{
if( (scan_mode == ID_SANE_DEBUG || scan_mode == ID_SCAN) )
{
if( adf == ADF_OFF )
{
/* Progress-Dialog */
progressDialog->setProgress(0);
if( progressDialog->isHidden())
progressDialog->show();
kdDebug(29000) << "* slStartScan: Start to acquire an image!" << endl;
stat = sane_device->acquire( );
} else {
kdDebug(29000) << "Not yet implemented :-/" << endl;
// stat = performADFScan();
}
} else {
kdDebug(29000) << "Reading dir by Qt-internal imagereading file " << q << endl;
sane_device->acquire( q );
}
}
}
/* Slot called to start the Custom Gamma Table Edit dialog */
void ScanParams::slEditCustGamma( void )
{
kdDebug(29000) << "Called EditCustGamma ;)" << endl;
KGammaTable old_gt;
/* Since gammatable options are not set in the default gui, it must be
* checked if it is the first edit. If it is, take from loaded default
* set if available there */
if( m_firstGTEdit && startupOptset )
{
m_firstGTEdit = false;
KScanOption *gt = startupOptset->get(SANE_NAME_GAMMA_VECTOR);
if( !gt )
{
/* If it not gray, it should be one color. */
gt = startupOptset->get( SANE_NAME_GAMMA_VECTOR_R );
}
if( gt )
gt->get( &old_gt );
}
else
{
/* it is not the first edit, use older values */
if( sane_device->optionExists( SANE_NAME_GAMMA_VECTOR ) )
{
KScanOption grayGt( SANE_NAME_GAMMA_VECTOR );
/* This will be fine for all color gt's. */
grayGt.get( &old_gt );
kdDebug(29000) << "Gray Gamma Table is active " << endl;
}
else
{
/* Gray is not active, but at the current implementation without
* red/green/blue gammatables, but one for all, all gammatables
* are equally. So taking the red one should be fine. TODO
*/
if( sane_device->optionExists( SANE_NAME_GAMMA_VECTOR_R ))
{
KScanOption redGt( SANE_NAME_GAMMA_VECTOR_R );
redGt.get( &old_gt );
kdDebug(29000) << "Getting old gamma table from Red channel" << endl;
}
else
{
/* uh ! No current gammatable could be retrieved. Use the 100/0/0 gt
* created by KGammaTable's constructor. Nothing to do for that.
*/
kdDebug(29000) << "WRN: Could not retrieve a gamma table" << endl;
}
}
}
kdDebug(29000) << "Old gamma table: " << old_gt.getGamma() << ", " << old_gt.getBrightness() << ", " << old_gt.getContrast() << endl;
GammaDialog gdiag( this );
connect( &gdiag, SIGNAL( gammaToApply(KGammaTable*) ),
this, SLOT( slApplyGamma(KGammaTable*) ) );
gdiag.setGt( old_gt );
if( gdiag.exec() == QDialog::Accepted )
{
slApplyGamma( gdiag.getGt() );
kdDebug(29000) << "Fine, applied new Gamma Table !" << endl;
}
else
{
/* reset to old values */
slApplyGamma( &old_gt );
kdDebug(29000) << "Cancel, reverted to old Gamma Table !" << endl;
}
}
void ScanParams::slApplyGamma( KGammaTable* gt )
{
if( ! gt ) return;
kdDebug(29000) << "Applying gamma table: " << gt->getGamma() <<
", " << gt->getBrightness() << ", " << gt->getContrast() << endl;
if( sane_device->optionExists( SANE_NAME_GAMMA_VECTOR ) )
{
KScanOption grayGt( SANE_NAME_GAMMA_VECTOR );
/* Now find out, which gamma-Tables are active. */
if( grayGt.active() )
{
grayGt.set( gt );
sane_device->apply( &grayGt, true );
}
}
if( sane_device->optionExists( SANE_NAME_GAMMA_VECTOR_R )) {
KScanOption rGt( SANE_NAME_GAMMA_VECTOR_R );
if( rGt.active() )
{
rGt.set( gt );
sane_device->apply( &rGt, true );
}
}
if( sane_device->optionExists( SANE_NAME_GAMMA_VECTOR_G )) {
KScanOption gGt( SANE_NAME_GAMMA_VECTOR_G );
if( gGt.active() )
{
gGt.set( gt );
sane_device->apply( &gGt, true );
}
}
if( sane_device->optionExists( SANE_NAME_GAMMA_VECTOR_B )) {
KScanOption bGt( SANE_NAME_GAMMA_VECTOR_B );
if( bGt.active() )
{
bGt.set( gt );
sane_device->apply( &bGt, true );
}
}
}
/* Slot calls if a widget changes. Things to do:
* - Apply the option and reload all if the option affects all
*/
void ScanParams::slReloadAllGui( KScanOption* t)
{
if( !t || ! sane_device ) return;
kdDebug(29000) << "This is slReloadAllGui for widget <" << t->getName() << ">" << endl;
/* Need to reload all _except_ the one which was actually changed */
sane_device->slReloadAllBut( t );
/* Custom Gamma <- What happens if that does not exist for some scanner ? TODO */
setEditCustomGammaTableState();
}
/*
* enable editing of the gamma tables if one of the gamma tables
* exists and is active at the moment
*/
void ScanParams::setEditCustomGammaTableState()
{
if( !(sane_device && pb_edit_gtable) )
return;
bool butState = false;
kdDebug(29000) << "Checking state of edit custom gamma button !" << endl;
if( sane_device->optionExists( SANE_NAME_CUSTOM_GAMMA ) )
{
KScanOption kso( SANE_NAME_CUSTOM_GAMMA );
butState = kso.active();
// kdDebug(29000) << "CustomGamma is active: " << butState << endl;
}
if( !butState && sane_device->optionExists( SANE_NAME_GAMMA_VECTOR_R ) )
{
KScanOption kso( SANE_NAME_GAMMA_VECTOR_R );
butState = kso.active();
// kdDebug(29000) << "CustomGamma Red is active: " << butState << endl;
}
if( !butState && sane_device->optionExists( SANE_NAME_GAMMA_VECTOR_G ) )
{
KScanOption kso( SANE_NAME_GAMMA_VECTOR_G );
butState = kso.active();
// kdDebug(29000) << "CustomGamma Green is active: " << butState << endl;
}
if( !butState && sane_device->optionExists( SANE_NAME_GAMMA_VECTOR_B ) )
{
KScanOption kso( SANE_NAME_GAMMA_VECTOR_B );
butState = kso.active();
// kdDebug(29000) << "CustomGamma blue is active: " << butState << endl;
}
pb_edit_gtable->setEnabled( butState );
}
/* Slot called to start acquirering a preview */
void ScanParams::slAcquirePreview( void )
{
kdDebug(29000) << "Called acquirePreview-Slot!" << endl;
bool gray_preview = false;
if( cb_gray_preview )
gray_preview = cb_gray_preview->isChecked();
/* Maximal preview size */
slMaximalScanSize();
if( ! sane_device ) kdDebug(29000) << "Aeetsch: sane_device is 0 !" << endl;
Q_CHECK_PTR( sane_device );
KScanStat stat = sane_device->acquirePreview( gray_preview );
if( stat != KSCAN_OK )
{
kdDebug(29000) << "Error in scanning !" << endl;
}
}
/* Custom Scan size setting.
* The custom scan size is given in the QRect parameter. It must contain values
* from 0..1000 which are interpreted as tenth of percent of the overall dimension.
*/
void ScanParams::slCustomScanSize( QRect sel)
{
kdDebug(29000) << "Custom-Size: " << sel.x() << ", " << sel.y() << " - " << sel.width() << "x" << sel.height() << endl;
KScanOption tl_x( SANE_NAME_SCAN_TL_X );
KScanOption tl_y( SANE_NAME_SCAN_TL_Y );
KScanOption br_x( SANE_NAME_SCAN_BR_X );
KScanOption br_y( SANE_NAME_SCAN_BR_Y );
double min1=0.0, max1=0.0, min2=0.0, max2=0.0, dummy1=0.0, dummy2=0.0;
tl_x.getRange( &min1, &max1, &dummy1 );
br_x.getRange( &min2, &max2, &dummy2 );
/* overall width */
double range = max2-min1;
double w = min1 + double(range * (double(sel.x()) / 1000.0) );
tl_x.set( w );
w = min1 + double(range * double(sel.x() + sel.width())/1000.0);
br_x.set( w );
kdDebug(29000) << "set tl_x: " << min1 + double(range * (double(sel.x()) / 1000.0) ) << endl;
kdDebug(29000) << "set br_x: " << min1 + double(range * (double(sel.x() + sel.width())/1000.0)) << endl;
/** Y-Value setting */
tl_y.getRange( &min1, &max1, &dummy1 );
br_y.getRange(&min2, &max2, &dummy2 );
/* overall width */
range = max2-min1;
w = min1 + range * double(sel.y()) / 1000.0;
tl_y.set( w );
w = min1 + range * double(sel.y() + sel.height())/1000.0;
br_y.set( w );
kdDebug(29000) << "set tl_y: " << min1 + double(range * (double(sel.y()) / 1000.0) ) << endl;
kdDebug(29000) << "set br_y: " << min1 + double(range * (double(sel.y() + sel.height())/1000.0)) << endl;
sane_device->apply( &tl_x );
sane_device->apply( &tl_y );
sane_device->apply( &br_x );
sane_device->apply( &br_y );
}
/**
* sets the scan area to the default, which is the whole area.
*/
void ScanParams::slMaximalScanSize( void )
{
kdDebug(29000) << "Setting to default" << endl;
slCustomScanSize(QRect( 0,0,1000,1000));
}
void ScanParams::slNewXResolution(KScanOption *opt)
{
if(! opt ) return;
kdDebug(29000) << "Got new X-Resolution !" << endl;
int x_res = 0;
opt->get( &x_res );
int y_res = x_res;
if( xy_resolution_bind && xy_resolution_bind->active() )
{
/* That means, that x and y may be different */
KScanOption opt_y( SANE_NAME_SCAN_Y_RESOLUTION );
if( opt_y.valid () )
{
opt_y.get( &y_res );
}
}
emit( scanResolutionChanged( x_res, y_res ) );
}
void ScanParams::slNewYResolution(KScanOption *opt)
{
if( ! opt ) return;
int y_res = 0;
opt->get( &y_res );
int x_res = y_res;
if( xy_resolution_bind && xy_resolution_bind->active())
{
/* That means, that x and y may be different */
KScanOption opt_x( SANE_NAME_SCAN_X_RESOLUTION );
if( opt_x.valid () )
{
opt_x.get( &x_res );
}
}
emit( scanResolutionChanged( x_res, y_res ) );
}
KScanStat ScanParams::performADFScan( void )
{
KScanStat stat = KSCAN_OK;
bool scan_on = true;
MassScanDialog *msd = new MassScanDialog( this );
msd->show();
/* The scan source should be set to ADF by the SourceSelect-Dialog */
while( scan_on )
{
scan_on = false;
}
return( stat );
}
#include "scanparams.moc"
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