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785 lines
28 KiB
785 lines
28 KiB
/* ============================================================
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*
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* This file is a part of digiKam project
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* http://www.digikam.org
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*
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* Date : 2005-02-26
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* Description : image channels mixer.
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*
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* Copyright (C) 2005-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
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*
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* Load and save mixer gains methods inspired from
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* Gimp 2.2.3 and copyrighted 2002 by Martin Guldahl
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* <mguldahl at xmission dot com>.
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* ============================================================ */
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// C++ includes.
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#include <cstdio>
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#include <cmath>
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#include <cstring>
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#include <cstdlib>
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#include <cerrno>
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// TQt includes.
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#include <tqcolor.h>
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#include <tqgroupbox.h>
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#include <tqhgroupbox.h>
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#include <tqvgroupbox.h>
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#include <tqhbuttongroup.h>
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#include <tqlabel.h>
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#include <tqpainter.h>
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#include <tqcombobox.h>
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#include <tqspinbox.h>
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#include <tqvbox.h>
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#include <tqwhatsthis.h>
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#include <tqpushbutton.h>
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#include <tqlayout.h>
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#include <tqframe.h>
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#include <tqtimer.h>
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#include <tqcheckbox.h>
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#include <tqfile.h>
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#include <tqtooltip.h>
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// KDE includes.
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#include <tdeconfig.h>
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#include <kcursor.h>
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#include <klocale.h>
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#include <knuminput.h>
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#include <kmessagebox.h>
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#include <kselect.h>
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#include <tdefiledialog.h>
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#include <kglobalsettings.h>
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#include <kaboutdata.h>
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#include <khelpmenu.h>
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#include <kiconloader.h>
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#include <kapplication.h>
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#include <kpopupmenu.h>
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#include <kstandarddirs.h>
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// Local includes.
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#include "version.h"
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#include "dimg.h"
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#include "ddebug.h"
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#include "imageiface.h"
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#include "imagewidget.h"
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#include "imagehistogram.h"
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#include "histogramwidget.h"
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#include "colorgradientwidget.h"
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#include "dimgimagefilters.h"
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#include "channelmixer.h"
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#include "channelmixer.moc"
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namespace DigikamChannelMixerImagesPlugin
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{
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ChannelMixerDialog::ChannelMixerDialog(TQWidget* parent)
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: Digikam::ImageDlgBase(parent, i18n("Color Channel Mixer"),
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"channelmixer", true, false)
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{
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m_destinationPreviewData = 0L;
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// About data and help button.
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TDEAboutData* about = new TDEAboutData("digikam",
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I18N_NOOP("Color Channel Mixer"),
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digikam_version,
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I18N_NOOP("An image color channel mixer plugin for digiKam."),
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TDEAboutData::License_GPL,
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"(c) 2005-2008, Gilles Caulier",
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0,
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"http://www.digikam.org");
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about->addAuthor("Gilles Caulier", I18N_NOOP("Author and maintainer"),
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"caulier dot gilles at gmail dot com");
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setAboutData(about);
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// -------------------------------------------------------------
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m_previewWidget = new Digikam::ImageWidget("channelmixer Tool Dialog", plainPage(),
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i18n("<p>You can see here the image's color channels' "
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"gains adjustments preview. You can pick color on image "
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"to see the color level corresponding on histogram."));
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setPreviewAreaWidget(m_previewWidget);
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// -------------------------------------------------------------
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TQWidget *gboxSettings = new TQWidget(plainPage());
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TQGridLayout* grid = new TQGridLayout( gboxSettings, 9, 4, spacingHint());
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TQLabel *label1 = new TQLabel(i18n("Channel:"), gboxSettings);
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label1->setAlignment ( TQt::AlignRight | TQt::AlignVCenter );
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m_channelCB = new TQComboBox( false, gboxSettings );
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m_channelCB->insertItem( i18n("Red") );
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m_channelCB->insertItem( i18n("Green") );
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m_channelCB->insertItem( i18n("Blue") );
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m_channelCB->setCurrentText( i18n("Red") );
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TQWhatsThis::add( m_channelCB, i18n("<p>Select the color channel to mix here:<p>"
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"<b>Red</b>: display the red image-channel values.<p>"
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"<b>Green</b>: display the green image-channel values.<p>"
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"<b>Blue</b>: display the blue image-channel values.<p>"));
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m_scaleBG = new TQHButtonGroup(gboxSettings);
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m_scaleBG->setExclusive(true);
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m_scaleBG->setFrameShape(TQFrame::NoFrame);
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m_scaleBG->setInsideMargin( 0 );
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TQWhatsThis::add( m_scaleBG, i18n("<p>Select the histogram scale here.<p>"
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"If the image's maximal counts are small, you can use the linear scale.<p>"
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"Logarithmic scale can be used when the maximal counts are big; "
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"if it is used, all values (small and large) will be visible on the graph."));
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TQPushButton *linHistoButton = new TQPushButton( m_scaleBG );
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TQToolTip::add( linHistoButton, i18n( "<p>Linear" ) );
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m_scaleBG->insert(linHistoButton, Digikam::HistogramWidget::LinScaleHistogram);
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TDEGlobal::dirs()->addResourceType("histogram-lin", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
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TQString directory = TDEGlobal::dirs()->findResourceDir("histogram-lin", "histogram-lin.png");
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linHistoButton->setPixmap( TQPixmap( directory + "histogram-lin.png" ) );
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linHistoButton->setToggleButton(true);
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TQPushButton *logHistoButton = new TQPushButton( m_scaleBG );
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TQToolTip::add( logHistoButton, i18n( "<p>Logarithmic" ) );
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m_scaleBG->insert(logHistoButton, Digikam::HistogramWidget::LogScaleHistogram);
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TDEGlobal::dirs()->addResourceType("histogram-log", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
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directory = TDEGlobal::dirs()->findResourceDir("histogram-log", "histogram-log.png");
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logHistoButton->setPixmap( TQPixmap( directory + "histogram-log.png" ) );
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logHistoButton->setToggleButton(true);
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TQHBoxLayout* l1 = new TQHBoxLayout();
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l1->addWidget(label1);
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l1->addWidget(m_channelCB);
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l1->addStretch(10);
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l1->addWidget(m_scaleBG);
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grid->addMultiCellLayout(l1, 0, 0, 0, 4);
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// -------------------------------------------------------------
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TQVBox *histoBox = new TQVBox(gboxSettings);
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m_histogramWidget = new Digikam::HistogramWidget(256, 140, histoBox, false, true, true);
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TQWhatsThis::add( m_histogramWidget, i18n("<p>Here you can see the target preview image histogram drawing "
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"of the selected image channel. This one is re-computed at any "
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"mixer settings changes."));
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TQLabel *space = new TQLabel(histoBox);
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space->setFixedHeight(1);
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m_hGradient = new Digikam::ColorGradientWidget( Digikam::ColorGradientWidget::Horizontal, 10, histoBox );
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m_hGradient->setColors( TQColor( "black" ), TQColor( "red" ) );
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grid->addMultiCellWidget(histoBox, 1, 2, 0, 4);
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// -------------------------------------------------------------
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TQLabel *redLabel = new TQLabel(i18n("Red:"), gboxSettings);
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m_redGain = new KDoubleNumInput(gboxSettings);
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m_redGain->setPrecision(0);
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m_redGain->setRange(-200.0, 200.0, 1, true);
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TQWhatsThis::add( m_redGain, i18n("<p>Select the red color gain in percent for the current channel here."));
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TQLabel *blueLabel = new TQLabel(i18n("Blue:"), gboxSettings);
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m_greenGain = new KDoubleNumInput(gboxSettings);
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m_greenGain->setPrecision(0);
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m_greenGain->setRange(-200.0, 200.0, 1, true);
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TQWhatsThis::add( m_greenGain, i18n("<p>Select the green color gain in percent for the current channel here."));
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TQLabel *greenLabel = new TQLabel(i18n("Green:"), gboxSettings);
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m_blueGain = new KDoubleNumInput(gboxSettings);
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m_blueGain->setPrecision(0);
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m_blueGain->setRange(-200.0, 200.0, 1, true);
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TQWhatsThis::add( m_blueGain, i18n("<p>Select the blue color gain in percent for the current channel here."));
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m_resetButton = new TQPushButton(i18n("&Reset"), gboxSettings);
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TQWhatsThis::add( m_resetButton, i18n("Reset color channels' gains settings from the currently selected channel."));
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grid->addMultiCellWidget(redLabel, 3, 3, 0, 0);
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grid->addMultiCellWidget(greenLabel, 4, 4, 0, 0);
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grid->addMultiCellWidget(blueLabel, 5, 5, 0, 0);
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grid->addMultiCellWidget(m_redGain, 3, 3, 1, 4);
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grid->addMultiCellWidget(m_greenGain, 4, 4, 1, 4);
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grid->addMultiCellWidget(m_blueGain, 5, 5, 1, 4);
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grid->addMultiCellWidget(m_resetButton, 6, 6, 0, 1);
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// -------------------------------------------------------------
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m_monochrome = new TQCheckBox( i18n("Monochrome"), gboxSettings);
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TQWhatsThis::add( m_monochrome, i18n("<p>Enable this option if you want the image rendered in monochrome mode. "
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"In this mode, the histogram will display only luminosity values."));
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m_preserveLuminosity = new TQCheckBox( i18n("Preserve luminosity"), gboxSettings);
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TQWhatsThis::add( m_preserveLuminosity, i18n("<p>Enable this option is you want preserve the image luminosity."));
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grid->addMultiCellWidget(m_monochrome, 7, 7, 0, 4);
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grid->addMultiCellWidget(m_preserveLuminosity, 8, 8, 0, 4);
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grid->setRowStretch(9, 10);
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setUserAreaWidget(gboxSettings);
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// -------------------------------------------------------------
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// Channels and scale selection slots.
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connect(m_channelCB, TQT_SIGNAL(activated(int)),
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this, TQT_SLOT(slotChannelChanged(int)));
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connect(m_scaleBG, TQT_SIGNAL(released(int)),
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this, TQT_SLOT(slotScaleChanged(int)));
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connect(m_previewWidget, TQT_SIGNAL(spotPositionChangedFromTarget( const Digikam::DColor &, const TQPoint & )),
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this, TQT_SLOT(slotColorSelectedFromTarget( const Digikam::DColor & )));
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connect(m_previewWidget, TQT_SIGNAL(signalResized()),
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this, TQT_SLOT(slotEffect()));
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// -------------------------------------------------------------
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// Gains settings slots.
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connect(m_redGain, TQT_SIGNAL(valueChanged(double)),
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this, TQT_SLOT(slotGainsChanged()));
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connect(m_greenGain, TQT_SIGNAL(valueChanged(double)),
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this, TQT_SLOT(slotGainsChanged()));
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connect(m_blueGain, TQT_SIGNAL(valueChanged(double)),
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this, TQT_SLOT(slotGainsChanged()));
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connect(m_preserveLuminosity, TQT_SIGNAL(toggled (bool)),
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this, TQT_SLOT(slotEffect()));
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connect(m_monochrome, TQT_SIGNAL(toggled (bool)),
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this, TQT_SLOT(slotMonochromeActived(bool)));
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// -------------------------------------------------------------
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// Bouttons slots.
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connect(m_resetButton, TQT_SIGNAL(clicked()),
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this, TQT_SLOT(slotResetCurrentChannel()));
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}
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ChannelMixerDialog::~ChannelMixerDialog()
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{
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m_histogramWidget->stopHistogramComputation();
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if (m_destinationPreviewData)
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delete [] m_destinationPreviewData;
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delete m_histogramWidget;
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}
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void ChannelMixerDialog::slotResetCurrentChannel()
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{
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switch( m_channelCB->currentItem() )
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{
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case GreenChannelGains: // Green.
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m_greenRedGain = 0.0;
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m_greenGreenGain = 1.0;
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m_greenBlueGain = 0.0;
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break;
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case BlueChannelGains: // Blue.
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m_blueRedGain = 0.0;
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m_blueGreenGain = 0.0;
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m_blueBlueGain = 1.0;
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break;
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default: // Red or monochrome.
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if ( m_monochrome->isChecked() )
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{
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m_blackRedGain = 1.0;
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m_blackGreenGain = 0.0;
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m_blackBlueGain = 0.0;
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}
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else
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{
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m_redRedGain = 1.0;
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m_redGreenGain = 0.0;
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m_redBlueGain = 0.0;
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}
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break;
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}
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adjustSliders();
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slotEffect();
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m_histogramWidget->reset();
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}
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void ChannelMixerDialog::slotColorSelectedFromTarget( const Digikam::DColor &color )
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{
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m_histogramWidget->setHistogramGuideByColor(color);
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}
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void ChannelMixerDialog::slotGainsChanged()
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{
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switch( m_channelCB->currentItem() )
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{
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case GreenChannelGains: // Green.
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m_greenRedGain = m_redGain->value() / 100.0;
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m_greenGreenGain = m_greenGain->value() / 100.0;
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m_greenBlueGain = m_blueGain->value() / 100.0;
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break;
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case BlueChannelGains: // Blue.
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m_blueRedGain = m_redGain->value() / 100.0;
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m_blueGreenGain = m_greenGain->value() / 100.0;
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m_blueBlueGain = m_blueGain->value() / 100.0;
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break;
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default: // Red or monochrome.
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if ( m_monochrome->isChecked() )
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{
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m_blackRedGain = m_redGain->value() / 100.0;
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m_blackGreenGain = m_greenGain->value() / 100.0;
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m_blackBlueGain = m_blueGain->value() / 100.0;
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}
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else
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{
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m_redRedGain = m_redGain->value() / 100.0;
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m_redGreenGain = m_greenGain->value() / 100.0;
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m_redBlueGain = m_blueGain->value() / 100.0;
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}
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break;
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}
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slotTimer();
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}
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void ChannelMixerDialog::adjustSliders(void)
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{
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m_redGain->blockSignals(true);
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m_greenGain->blockSignals(true);
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m_blueGain->blockSignals(true);
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switch( m_channelCB->currentItem() )
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{
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case GreenChannelGains: // Green.
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m_redGain->setValue(m_greenRedGain * 100.0);
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m_greenGain->setValue(m_greenGreenGain * 100.0);
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m_blueGain->setValue(m_greenBlueGain * 100.0);
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break;
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case BlueChannelGains: // Blue.
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m_redGain->setValue(m_blueRedGain * 100.0);
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m_greenGain->setValue(m_blueGreenGain * 100.0);
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m_blueGain->setValue(m_blueBlueGain * 100.0);
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break;
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default: // Red or monochrome.
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if ( m_monochrome->isChecked() )
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{
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m_redGain->setValue(m_blackRedGain * 100.0);
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m_greenGain->setValue(m_blackGreenGain * 100.0);
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m_blueGain->setValue(m_blackBlueGain * 100.0);
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}
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else
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{
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m_redGain->setValue(m_redRedGain * 100.0);
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m_greenGain->setValue(m_redGreenGain * 100.0);
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m_blueGain->setValue(m_redBlueGain * 100.0);
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}
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break;
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}
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m_redGain->blockSignals(false);
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m_greenGain->blockSignals(false);
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m_blueGain->blockSignals(false);
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}
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void ChannelMixerDialog::slotMonochromeActived(bool mono)
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{
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m_channelCB->setEnabled(!mono);
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m_channelCB->setCurrentItem(RedChannelGains); // Red for monochrome.
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slotChannelChanged(RedChannelGains); // Monochrome => display luminosity histogram value.
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}
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void ChannelMixerDialog::slotEffect()
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{
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Digikam::ImageIface* iface = m_previewWidget->imageIface();
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uchar *data = iface->getPreviewImage();
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int w = iface->previewWidth();
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int h = iface->previewHeight();
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bool sb = iface->previewSixteenBit();
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// Create the new empty destination image data space.
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m_histogramWidget->stopHistogramComputation();
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if (m_destinationPreviewData)
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delete [] m_destinationPreviewData;
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m_destinationPreviewData = new uchar[w*h*(sb ? 8 : 4)];
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Digikam::DImgImageFilters filter;
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if (m_monochrome->isChecked())
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{
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filter.channelMixerImage(data, w, h, sb, // Image data.
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m_preserveLuminosity->isChecked(), // Preserve luminosity.
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m_monochrome->isChecked(), // Monochrome.
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m_blackRedGain, m_blackGreenGain, m_blackBlueGain, // Red channel gains.
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0.0, 1.0, 0.0, // Green channel gains (not used).
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0.0, 0.0, 1.0); // Blue channel gains (not used).
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}
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else
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{
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filter.channelMixerImage(data, w, h, sb, // Image data.
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m_preserveLuminosity->isChecked(), // Preserve luminosity.
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m_monochrome->isChecked(), // Monochrome.
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m_redRedGain, m_redGreenGain, m_redBlueGain, // Red channel gains.
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m_greenRedGain, m_greenGreenGain, m_greenBlueGain, // Green channel gains.
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m_blueRedGain, m_blueGreenGain, m_blueBlueGain); // Blue channel gains.
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}
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iface->putPreviewImage(data);
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m_previewWidget->updatePreview();
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// Update histogram.
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memcpy (m_destinationPreviewData, data, w*h*(sb ? 8 : 4));
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m_histogramWidget->updateData(m_destinationPreviewData, w, h, sb, 0, 0, 0, false);
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delete [] data;
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}
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void ChannelMixerDialog::finalRendering()
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{
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kapp->setOverrideCursor( KCursor::waitCursor() );
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Digikam::ImageIface* iface = m_previewWidget->imageIface();
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uchar *data = iface->getOriginalImage();
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int w = iface->originalWidth();
|
|
int h = iface->originalHeight();
|
|
bool sb = iface->originalSixteenBit();
|
|
|
|
Digikam::DImgImageFilters filter;
|
|
|
|
if (m_monochrome->isChecked())
|
|
{
|
|
filter.channelMixerImage(data, w, h, sb, // Image data.
|
|
m_preserveLuminosity->isChecked(), // Preserve luminosity.
|
|
m_monochrome->isChecked(), // Monochrome.
|
|
m_blackRedGain, m_blackGreenGain, m_blackBlueGain, // Red channel gains.
|
|
0.0, 1.0, 0.0, // Green channel gains (not used).
|
|
0.0, 0.0, 1.0); // Blue channel gains (not used).
|
|
}
|
|
else
|
|
{
|
|
filter.channelMixerImage(data, w, h, sb, // Image data.
|
|
m_preserveLuminosity->isChecked(), // Preserve luminosity.
|
|
m_monochrome->isChecked(), // Monochrome.
|
|
m_redRedGain, m_redGreenGain, m_redBlueGain, // Red channel gains.
|
|
m_greenRedGain, m_greenGreenGain, m_greenBlueGain, // Green channel gains.
|
|
m_blueRedGain, m_blueGreenGain, m_blueBlueGain); // Blue channel gains.
|
|
}
|
|
|
|
iface->putOriginalImage(i18n("Channel Mixer"), data);
|
|
delete [] data;
|
|
kapp->restoreOverrideCursor();
|
|
accept();
|
|
}
|
|
|
|
void ChannelMixerDialog::slotChannelChanged(int channel)
|
|
{
|
|
switch(channel)
|
|
{
|
|
case GreenChannelGains: // Green.
|
|
m_histogramWidget->m_channelType = Digikam::HistogramWidget::GreenChannelHistogram;
|
|
m_hGradient->setColors( TQColor( "black" ), TQColor( "green" ) );
|
|
break;
|
|
|
|
case BlueChannelGains: // Blue.
|
|
m_histogramWidget->m_channelType = Digikam::HistogramWidget::BlueChannelHistogram;
|
|
m_hGradient->setColors( TQColor( "black" ), TQColor( "blue" ) );
|
|
break;
|
|
|
|
default: // Red or monochrome.
|
|
if ( m_monochrome->isChecked() )
|
|
{
|
|
m_histogramWidget->m_channelType = Digikam::HistogramWidget::ValueHistogram;
|
|
m_hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
|
|
}
|
|
else
|
|
{
|
|
m_histogramWidget->m_channelType = Digikam::HistogramWidget::RedChannelHistogram;
|
|
m_hGradient->setColors( TQColor( "black" ), TQColor( "red" ) );
|
|
}
|
|
break;
|
|
}
|
|
|
|
m_histogramWidget->repaint(false);
|
|
adjustSliders();
|
|
slotEffect();
|
|
}
|
|
|
|
void ChannelMixerDialog::slotScaleChanged(int scale)
|
|
{
|
|
m_histogramWidget->m_scaleType = scale;
|
|
m_histogramWidget->repaint(false);
|
|
}
|
|
|
|
void ChannelMixerDialog::readUserSettings()
|
|
{
|
|
TDEConfig* config = kapp->config();
|
|
config->setGroup("channelmixer Tool Dialog");
|
|
|
|
m_channelCB->setCurrentItem(config->readNumEntry("Histogram Channel", 0)); // Luminosity.
|
|
m_scaleBG->setButton(config->readNumEntry("Histogram Scale", Digikam::HistogramWidget::LogScaleHistogram));
|
|
|
|
m_monochrome->setChecked(config->readBoolEntry("Monochrome", false));
|
|
m_preserveLuminosity->setChecked(config->readNumEntry("PreserveLuminosity", false));
|
|
|
|
m_redRedGain = config->readDoubleNumEntry("RedRedGain", 1.0);
|
|
m_redGreenGain = config->readDoubleNumEntry("RedGreenGain", 0.0);
|
|
m_redBlueGain = config->readDoubleNumEntry("RedBlueGain", 0.0);
|
|
|
|
m_greenRedGain = config->readDoubleNumEntry("GreenRedGain", 0.0);
|
|
m_greenGreenGain = config->readDoubleNumEntry("GreenGreenGain", 1.0);
|
|
m_greenBlueGain = config->readDoubleNumEntry("GreenBlueGain", 0.0);
|
|
|
|
m_blueRedGain = config->readDoubleNumEntry("BlueRedGain", 0.0);
|
|
m_blueGreenGain = config->readDoubleNumEntry("BlueGreenGain", 0.0);
|
|
m_blueBlueGain = config->readDoubleNumEntry("BlueBlueGain", 1.0);
|
|
|
|
m_blackRedGain = config->readDoubleNumEntry("BlackRedGain", 1.0);
|
|
m_blackGreenGain = config->readDoubleNumEntry("BlackGreenGain", 0.0);
|
|
m_blackBlueGain = config->readDoubleNumEntry("BlackBlueGain", 0.0);
|
|
|
|
adjustSliders();
|
|
m_histogramWidget->reset();
|
|
|
|
slotChannelChanged(m_channelCB->currentItem());
|
|
slotScaleChanged(m_scaleBG->selectedId());
|
|
}
|
|
|
|
void ChannelMixerDialog::writeUserSettings()
|
|
{
|
|
TDEConfig* config = kapp->config();
|
|
config->setGroup("channelmixer Tool Dialog");
|
|
config->writeEntry("Histogram Channel", m_channelCB->currentItem());
|
|
config->writeEntry("Histogram Scale", m_scaleBG->selectedId());
|
|
|
|
config->writeEntry("Monochrome", m_monochrome->isChecked());
|
|
config->writeEntry("PreserveLuminosity", m_preserveLuminosity->isChecked());
|
|
|
|
config->writeEntry("RedRedGain", m_redRedGain);
|
|
config->writeEntry("RedGreenGain", m_redGreenGain);
|
|
config->writeEntry("RedBlueGain", m_redBlueGain);
|
|
|
|
config->writeEntry("GreenRedGain", m_greenRedGain);
|
|
config->writeEntry("GreenGreenGain", m_greenGreenGain);
|
|
config->writeEntry("GreenBlueGain", m_greenBlueGain);
|
|
|
|
config->writeEntry("BlueRedGain", m_blueRedGain);
|
|
config->writeEntry("BlueGreenGain", m_blueGreenGain);
|
|
config->writeEntry("BlueBlueGain", m_blueBlueGain);
|
|
|
|
config->writeEntry("BlackRedGain", m_blackRedGain);
|
|
config->writeEntry("BlackGreenGain", m_blackGreenGain);
|
|
config->writeEntry("BlackBlueGain", m_blackBlueGain);
|
|
|
|
config->sync();
|
|
}
|
|
|
|
void ChannelMixerDialog::resetValues()
|
|
{
|
|
m_monochrome->blockSignals(true);
|
|
m_preserveLuminosity->blockSignals(true);
|
|
|
|
m_redRedGain = 1.0;
|
|
m_redGreenGain = 0.0;
|
|
m_redBlueGain = 0.0;
|
|
|
|
m_greenRedGain = 0.0;
|
|
m_greenGreenGain = 1.0;
|
|
m_greenBlueGain = 0.0;
|
|
|
|
m_blueRedGain = 0.0;
|
|
m_blueGreenGain = 0.0;
|
|
m_blueBlueGain = 1.0;
|
|
|
|
m_blackRedGain = 1.0;
|
|
m_blackGreenGain = 0.0;
|
|
m_blackBlueGain = 0.0;
|
|
|
|
adjustSliders();
|
|
|
|
m_monochrome->blockSignals(false);
|
|
m_preserveLuminosity->blockSignals(false);
|
|
m_channelCB->setEnabled(true);
|
|
|
|
m_histogramWidget->reset();
|
|
|
|
slotChannelChanged(RedChannelGains);
|
|
}
|
|
|
|
// Load all gains.
|
|
void ChannelMixerDialog::slotUser3()
|
|
{
|
|
KURL loadGainsFileUrl;
|
|
FILE *fp = 0L;
|
|
int currentOutputChannel;
|
|
bool monochrome;
|
|
|
|
loadGainsFileUrl = KFileDialog::getOpenURL(TDEGlobalSettings::documentPath(),
|
|
TQString( "*" ), this,
|
|
TQString( i18n("Select Gimp Gains Mixer File to Load")) );
|
|
if( loadGainsFileUrl.isEmpty() )
|
|
return;
|
|
|
|
fp = fopen(TQFile::encodeName(loadGainsFileUrl.path()), "r");
|
|
|
|
if ( fp )
|
|
{
|
|
char buf1[1024];
|
|
char buf2[1024];
|
|
char buf3[1024];
|
|
|
|
buf1[0] = '\0';
|
|
|
|
fgets(buf1, 1023, fp);
|
|
|
|
fscanf (fp, "%*s %s", buf1);
|
|
|
|
// Get the current output channel in dialog.
|
|
|
|
if (strcmp (buf1, "RED") == 0)
|
|
currentOutputChannel = RedChannelGains;
|
|
else if (strcmp (buf1, "GREEN") == 0)
|
|
currentOutputChannel = GreenChannelGains;
|
|
else if (strcmp (buf1, "BLUE") == 0)
|
|
currentOutputChannel = BlueChannelGains;
|
|
|
|
fscanf (fp, "%*s %s", buf1); // preview flag, preserved for compatibility
|
|
|
|
fscanf (fp, "%*s %s", buf1);
|
|
|
|
if (strcmp (buf1, "true") == 0)
|
|
monochrome = true;
|
|
else
|
|
monochrome = false;
|
|
|
|
fscanf (fp, "%*s %s", buf1);
|
|
|
|
if (strcmp (buf1, "true") == 0)
|
|
m_preserveLuminosity->setChecked(true);
|
|
else
|
|
m_preserveLuminosity->setChecked(false);
|
|
|
|
fscanf (fp, "%*s %s %s %s", buf1, buf2, buf3);
|
|
m_redRedGain = atof(buf1);
|
|
m_redGreenGain = atof(buf2);
|
|
m_redBlueGain = atof(buf3);
|
|
|
|
fscanf (fp, "%*s %s %s %s", buf1, buf2, buf3);
|
|
m_greenRedGain = atof(buf1);
|
|
m_greenGreenGain = atof(buf2);
|
|
m_greenBlueGain = atof(buf3);
|
|
|
|
fscanf (fp, "%*s %s %s %s", buf1, buf2, buf3);
|
|
m_blueRedGain = atof(buf1);
|
|
m_blueGreenGain = atof(buf2);
|
|
m_blueBlueGain = atof(buf3);
|
|
|
|
fscanf (fp, "%*s %s %s %s", buf1, buf2, buf3);
|
|
m_blackRedGain = atof(buf1);
|
|
m_blackGreenGain = atof(buf2);
|
|
m_blackBlueGain = atof(buf3);
|
|
|
|
fclose(fp);
|
|
|
|
// Refresh settings.
|
|
m_monochrome->setChecked(monochrome);
|
|
m_channelCB->setCurrentItem(currentOutputChannel);
|
|
slotChannelChanged(currentOutputChannel);
|
|
}
|
|
else
|
|
{
|
|
KMessageBox::error(this, i18n("Cannot load settings from the Gains Mixer text file."));
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Save all gains.
|
|
void ChannelMixerDialog::slotUser2()
|
|
{
|
|
KURL saveGainsFileUrl;
|
|
FILE *fp = 0L;
|
|
|
|
saveGainsFileUrl = KFileDialog::getSaveURL(TDEGlobalSettings::documentPath(),
|
|
TQString( "*" ), this,
|
|
TQString( i18n("Gimp Gains Mixer File to Save")) );
|
|
if( saveGainsFileUrl.isEmpty() )
|
|
return;
|
|
|
|
fp = fopen(TQFile::encodeName(saveGainsFileUrl.path()), "w");
|
|
|
|
if ( fp )
|
|
{
|
|
const char *str = 0L;
|
|
char buf1[256];
|
|
char buf2[256];
|
|
char buf3[256];
|
|
|
|
switch ( m_channelCB->currentItem() )
|
|
{
|
|
case RedChannelGains:
|
|
str = "RED";
|
|
break;
|
|
case GreenChannelGains:
|
|
str = "GREEN";
|
|
break;
|
|
case BlueChannelGains:
|
|
str = "BLUE";
|
|
break;
|
|
default:
|
|
DWarning() << "Unknown Color channel gains" << endl;
|
|
break;
|
|
}
|
|
|
|
fprintf (fp, "# Channel Mixer Configuration File\n");
|
|
|
|
fprintf (fp, "CHANNEL: %s\n", str);
|
|
fprintf (fp, "PREVIEW: %s\n", "true"); // preserved for compatibility
|
|
fprintf (fp, "MONOCHROME: %s\n",
|
|
m_monochrome->isChecked() ? "true" : "false");
|
|
fprintf (fp, "PRESERVE_LUMINOSITY: %s\n",
|
|
m_preserveLuminosity->isChecked() ? "true" : "false");
|
|
|
|
sprintf (buf1, "%5.3f", m_redRedGain);
|
|
sprintf (buf2, "%5.3f", m_redGreenGain);
|
|
sprintf (buf3, "%5.3f", m_redBlueGain);
|
|
fprintf (fp, "RED: %s %s %s\n", buf1, buf2,buf3);
|
|
|
|
sprintf (buf1, "%5.3f", m_greenRedGain);
|
|
sprintf (buf2, "%5.3f", m_greenGreenGain);
|
|
sprintf (buf3, "%5.3f", m_greenBlueGain);
|
|
fprintf (fp, "GREEN: %s %s %s\n", buf1, buf2,buf3);
|
|
|
|
sprintf (buf1, "%5.3f", m_blueRedGain);
|
|
sprintf (buf2, "%5.3f", m_blueGreenGain);
|
|
sprintf (buf3, "%5.3f", m_blueBlueGain);
|
|
fprintf (fp, "BLUE: %s %s %s\n", buf1, buf2,buf3);
|
|
|
|
sprintf (buf1, "%5.3f", m_blackRedGain);
|
|
sprintf (buf2, "%5.3f", m_blackGreenGain);
|
|
sprintf (buf3, "%5.3f", m_blackBlueGain);
|
|
fprintf (fp, "BLACK: %s %s %s\n", buf1, buf2,buf3);
|
|
|
|
fclose (fp);
|
|
}
|
|
else
|
|
{
|
|
KMessageBox::error(this, i18n("Cannot save settings to the Gains Mixer text file."));
|
|
return;
|
|
}
|
|
}
|
|
|
|
} // NameSpace DigikamChannelMixerImagesPlugin
|
|
|