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914 lines
37 KiB
914 lines
37 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 : 2004-07-20
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* Description : image histogram adjust levels.
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*
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* Copyright (C) 2004-2008 by Gilles Caulier <caulier dot gilles at gmail 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 <cmath>
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// TQt includes.
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#include <tqlayout.h>
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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 <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 <tqwhatsthis.h>
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#include <tqtooltip.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 <tqhbuttongroup.h>
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#include <tqpixmap.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 "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 "imagelevels.h"
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#include "histogramwidget.h"
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#include "dimgimagefilters.h"
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#include "adjustlevels.h"
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#include "adjustlevels.moc"
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namespace DigikamAdjustLevelsImagesPlugin
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{
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AdjustLevelDialog::AdjustLevelDialog(TQWidget* parent)
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: Digikam::ImageDlgBase(parent, i18n("Adjust Color Levels"),
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"adjustlevels", true, false)
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{
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m_destinationPreviewData = 0L;
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Digikam::ImageIface iface(0, 0);
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uchar *data = iface.getOriginalImage();
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int w = iface.originalWidth();
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int h = iface.originalHeight();
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bool sixteenBit = iface.originalSixteenBit();
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bool hasAlpha = iface.originalHasAlpha();
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m_originalImage = Digikam::DImg(w, h, sixteenBit, hasAlpha ,data);
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delete [] data;
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m_histoSegments = m_originalImage.sixteenBit() ? 65535 : 255;
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m_levels = new Digikam::ImageLevels(m_originalImage.sixteenBit());
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// About data and help button.
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TDEAboutData* about = new TDEAboutData("digikam",
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I18N_NOOP("Adjust Color Levels"),
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digikam_version,
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I18N_NOOP("An image-histogram-levels adjustment plugin for digiKam."),
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TDEAboutData::License_GPL,
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"(c) 2004-2008, 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("adjustlevels Tool Dialog", plainPage(),
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i18n("<p>Here you can see the image's "
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"level-adjustments preview. You can pick a spot on the image "
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"to see the corresponding level in the 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, 16, 8, spacingHint(), 0);
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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("Luminosity") );
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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->insertItem( i18n("Alpha") );
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m_channelCB->setCurrentText( i18n("Luminosity") );
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TQWhatsThis::add( m_channelCB, i18n("<p>Here select the histogram channel to display:<p>"
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"<b>Luminosity</b>: display the image's luminosity values.<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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"<b>Alpha</b>: display the alpha image-channel values. "
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"This channel corresponds to the transparency value and "
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"is supported by some image formats, such as PNG or TIF."));
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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>Here select the histogram scale.<p>"
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"If the image's maximal counts are small, you can use the linear scale.<p>"
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"The 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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// -------------------------------------------------------------
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m_histogramWidget = new Digikam::HistogramWidget(256, 140, gboxSettings, false, true, true);
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TQWhatsThis::add( m_histogramWidget, i18n("<p>Here you can see the target preview image histogram drawing of the "
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"selected image channel. This one is re-computed at any levels "
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"settings changes."));
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m_levelsHistogramWidget = new Digikam::HistogramWidget(256, 140, m_originalImage.bits(), m_originalImage.width(),
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m_originalImage.height(), m_originalImage.sixteenBit(), gboxSettings, false);
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TQWhatsThis::add( m_levelsHistogramWidget, i18n("<p>This is the histogram drawing of the selected channel "
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"from original image"));
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// -------------------------------------------------------------
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m_hGradientMinInput = new KGradientSelector( KSelector::Horizontal, gboxSettings );
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m_hGradientMinInput->setFixedHeight( 20 );
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m_hGradientMinInput->setMinValue(0);
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m_hGradientMinInput->setMaxValue(m_histoSegments);
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TQWhatsThis::add( m_hGradientMinInput, i18n("<p>Select the minimal intensity input value of the histogram."));
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TQToolTip::add( m_hGradientMinInput, i18n( "Minimal intensity input." ) );
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m_hGradientMinInput->setColors( TQColor( "black" ), TQColor( "white" ) );
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m_hGradientMinInput->installEventFilter(this);
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m_hGradientMaxInput = new KGradientSelector( KSelector::Horizontal, gboxSettings );
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m_hGradientMaxInput->setFixedHeight( 20 );
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m_hGradientMaxInput->setMinValue(0);
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m_hGradientMaxInput->setMaxValue(m_histoSegments);
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TQWhatsThis::add( m_hGradientMaxInput, i18n("<p>Select the maximal intensity input value of the histogram."));
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TQToolTip::add( m_hGradientMaxInput, i18n( "Maximal intensity input." ) );
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m_hGradientMaxInput->setColors( TQColor( "black" ), TQColor( "white" ) );
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m_hGradientMaxInput->installEventFilter(this);
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m_minInput = new TQSpinBox(0, m_histoSegments, 1, gboxSettings);
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m_minInput->setValue(0);
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TQWhatsThis::add( m_minInput, i18n("<p>Select the minimal intensity input value of the histogram."));
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TQToolTip::add( m_minInput, i18n( "Minimal intensity input." ) );
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m_gammaInput = new KDoubleNumInput(gboxSettings);
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m_gammaInput->setPrecision(2);
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m_gammaInput->setRange(0.1, 3.0, 0.01);
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m_gammaInput->setValue(1.0);
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TQToolTip::add( m_gammaInput, i18n( "Gamma input value." ) );
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TQWhatsThis::add( m_gammaInput, i18n("<p>Select the gamma input value."));
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m_maxInput = new TQSpinBox(0, m_histoSegments, 1, gboxSettings);
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m_maxInput->setValue(m_histoSegments);
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TQToolTip::add( m_maxInput, i18n( "Maximal intensity input." ) );
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TQWhatsThis::add( m_maxInput, i18n("<p>Select the maximal intensity input value of the histogram."));
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m_hGradientMinOutput = new KGradientSelector( KSelector::Horizontal, gboxSettings );
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m_hGradientMinOutput->setColors( TQColor( "black" ), TQColor( "white" ) );
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TQWhatsThis::add( m_hGradientMinOutput, i18n("<p>Select the minimal intensity output value of the histogram."));
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TQToolTip::add( m_hGradientMinOutput, i18n( "Minimal intensity output." ) );
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m_hGradientMinOutput->setFixedHeight( 20 );
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m_hGradientMinOutput->setMinValue(0);
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m_hGradientMinOutput->setMaxValue(m_histoSegments);
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m_hGradientMinOutput->installEventFilter(this);
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m_hGradientMaxOutput = new KGradientSelector( KSelector::Horizontal, gboxSettings );
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m_hGradientMaxOutput->setColors( TQColor( "black" ), TQColor( "white" ) );
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TQWhatsThis::add( m_hGradientMaxOutput, i18n("<p>Select the maximal intensity output value of the histogram."));
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TQToolTip::add( m_hGradientMaxOutput, i18n( "Maximal intensity output." ) );
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m_hGradientMaxOutput->setFixedHeight( 20 );
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m_hGradientMaxOutput->setMinValue(0);
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m_hGradientMaxOutput->setMaxValue(m_histoSegments);
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m_hGradientMaxOutput->installEventFilter(this);
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m_minOutput = new TQSpinBox(0, m_histoSegments, 1, gboxSettings);
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m_minOutput->setValue(0);
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TQToolTip::add( m_minOutput, i18n( "Minimal intensity output." ) );
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TQWhatsThis::add( m_minOutput, i18n("<p>Select the minimal intensity output value of the histogram."));
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m_maxOutput = new TQSpinBox(0, m_histoSegments, 1, gboxSettings);
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m_maxOutput->setValue(m_histoSegments);
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TQToolTip::add( m_maxOutput, i18n( "Maximal intensity output." ) );
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TQWhatsThis::add( m_maxOutput, i18n("<p>Select the maximal intensity output value of the histogram."));
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// -------------------------------------------------------------
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m_pickerColorButtonGroup = new TQHButtonGroup(gboxSettings);
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m_pickBlack = new TQPushButton(m_pickerColorButtonGroup);
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m_pickerColorButtonGroup->insert(m_pickBlack, BlackTonal);
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TDEGlobal::dirs()->addResourceType("color-picker-black", TDEGlobal::dirs()->kde_default("data") +
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"digikam/data");
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directory = TDEGlobal::dirs()->findResourceDir("color-picker-black", "color-picker-black.png");
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m_pickBlack->setPixmap( TQPixmap( directory + "color-picker-black.png" ) );
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m_pickBlack->setToggleButton(true);
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TQToolTip::add( m_pickBlack, i18n( "All channels shadow tone color picker" ) );
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TQWhatsThis::add( m_pickBlack, i18n("<p>With this button, you can pick the color from original image used to set <b>Shadow Tone</b> "
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"levels input on Red, Green, Blue, and Luminosity channels."));
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m_pickGray = new TQPushButton(m_pickerColorButtonGroup);
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m_pickerColorButtonGroup->insert(m_pickGray, GrayTonal);
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TDEGlobal::dirs()->addResourceType("color-picker-gray", TDEGlobal::dirs()->kde_default("data") +
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"digikam/data");
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directory = TDEGlobal::dirs()->findResourceDir("color-picker-gray", "color-picker-gray.png");
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m_pickGray->setPixmap( TQPixmap( directory + "color-picker-gray.png" ) );
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m_pickGray->setToggleButton(true);
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TQToolTip::add( m_pickGray, i18n( "All channels middle tone color picker" ) );
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TQWhatsThis::add( m_pickGray, i18n("<p>With this button, you can pick the color from original image used to set <b>Middle Tone</b> "
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"levels input on Red, Green, Blue, and Luminosity channels."));
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m_pickWhite = new TQPushButton(m_pickerColorButtonGroup);
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m_pickerColorButtonGroup->insert(m_pickWhite, WhiteTonal);
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TDEGlobal::dirs()->addResourceType("color-picker-white", TDEGlobal::dirs()->kde_default("data") +
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"digikam/data");
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directory = TDEGlobal::dirs()->findResourceDir("color-picker-white", "color-picker-white.png");
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m_pickWhite->setPixmap( TQPixmap( directory + "color-picker-white.png" ) );
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m_pickWhite->setToggleButton(true);
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TQToolTip::add( m_pickWhite, i18n( "All channels highlight tone color picker" ) );
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TQWhatsThis::add( m_pickWhite, i18n("<p>With this button, you can pick the color from original image used to set <b>Highlight Tone</b> "
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"levels input on Red, Green, Blue, and Luminosity channels."));
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m_pickerColorButtonGroup->setExclusive(true);
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m_pickerColorButtonGroup->setFrameShape(TQFrame::NoFrame);
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m_autoButton = new TQPushButton(gboxSettings);
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m_autoButton->setPixmap(kapp->iconLoader()->loadIcon("run", (KIcon::Group)KIcon::Toolbar)); TQToolTip::add( m_autoButton, i18n( "Adjust all levels automatically." ) );
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TQWhatsThis::add( m_autoButton, i18n("<p>If you press this button, all channel levels will be adjusted "
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"automatically."));
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m_resetButton = new TQPushButton(i18n("&Reset"), gboxSettings);
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m_resetButton->setPixmap(kapp->iconLoader()->loadIcon("reload_page", (KIcon::Group)KIcon::Toolbar));
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TQToolTip::add( m_resetButton, i18n( "Reset current channel levels' values." ) );
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TQWhatsThis::add( m_resetButton, i18n("<p>If you press this button, all levels' values "
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"from the current selected channel "
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"will be reset to the default values."));
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TQLabel *space = new TQLabel(gboxSettings);
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space->setFixedWidth(spacingHint());
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TQHBoxLayout* l3 = new TQHBoxLayout();
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l3->addWidget(m_pickerColorButtonGroup);
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l3->addWidget(m_autoButton);
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l3->addWidget(space);
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l3->addWidget(m_resetButton);
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l3->addStretch(10);
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// -------------------------------------------------------------
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grid->addMultiCellLayout(l1, 0, 0, 0, 6);
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grid->setRowSpacing(1, spacingHint());
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grid->addMultiCellWidget(m_histogramWidget, 2, 2, 1, 5);
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grid->setRowSpacing(3, spacingHint());
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grid->addMultiCellWidget(m_levelsHistogramWidget, 4, 4, 1, 5);
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grid->addMultiCellWidget(m_hGradientMinInput, 5, 5, 0, 6);
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grid->addMultiCellWidget(m_minInput, 5, 5, 8, 8);
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grid->setRowSpacing(6, spacingHint());
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grid->addMultiCellWidget(m_hGradientMaxInput, 7, 7, 0, 6);
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grid->addMultiCellWidget(m_maxInput, 7, 7, 8, 8);
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grid->setRowSpacing(8, spacingHint());
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grid->addMultiCellWidget(m_gammaInput, 9, 9, 0, 8);
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grid->setRowSpacing(10, spacingHint());
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grid->addMultiCellWidget(m_hGradientMinOutput, 11, 11, 0, 6);
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grid->addMultiCellWidget(m_minOutput, 11, 11, 8, 8);
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grid->setRowSpacing(12, spacingHint());
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grid->addMultiCellWidget(m_hGradientMaxOutput, 13, 13, 0, 6);
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grid->addMultiCellWidget(m_maxOutput, 13, 13, 8, 8);
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grid->setRowSpacing(14, spacingHint());
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grid->addMultiCellLayout(l3, 15, 15, 0, 8);
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grid->setRowStretch(16, 10);
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grid->setColStretch(2, 10);
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grid->setColSpacing(0, 5);
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grid->setColSpacing(6, 5);
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grid->setColSpacing(7, spacingHint());
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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(spotPositionChangedFromOriginal( const Digikam::DColor &, const TQPoint & )),
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this, TQT_SLOT(slotSpotColorChanged( const Digikam::DColor & )));
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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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// Color sliders and spinbox slots.
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connect(m_hGradientMinInput, TQT_SIGNAL(valueChanged(int)),
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this, TQT_SLOT(slotAdjustMinInputSpinBox(int)));
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connect(m_minInput, TQT_SIGNAL(valueChanged (int)),
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this, TQT_SLOT(slotAdjustSliders()));
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connect(m_gammaInput, TQT_SIGNAL(valueChanged (double)),
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this, TQT_SLOT(slotGammaInputchanged(double)));
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connect(m_hGradientMaxInput, TQT_SIGNAL(valueChanged(int)),
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this, TQT_SLOT(slotAdjustMaxInputSpinBox(int)));
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connect(m_maxInput, TQT_SIGNAL(valueChanged (int)),
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this, TQT_SLOT(slotAdjustSliders()));
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connect(m_hGradientMinOutput, TQT_SIGNAL(valueChanged(int)),
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this, TQT_SLOT(slotAdjustMinOutputSpinBox(int)));
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connect(m_minOutput, TQT_SIGNAL(valueChanged (int)),
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this, TQT_SLOT(slotAdjustSliders()));
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connect(m_hGradientMaxOutput, TQT_SIGNAL(valueChanged(int)),
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|
this, TQT_SLOT(slotAdjustMaxOutputSpinBox(int)));
|
|
|
|
connect(m_maxOutput, TQT_SIGNAL(valueChanged (int)),
|
|
this, TQT_SLOT(slotAdjustSliders()));
|
|
|
|
// -------------------------------------------------------------
|
|
// Bouttons slots.
|
|
|
|
connect(m_autoButton, TQT_SIGNAL(clicked()),
|
|
this, TQT_SLOT(slotAutoLevels()));
|
|
|
|
connect(m_resetButton, TQT_SIGNAL(clicked()),
|
|
this, TQT_SLOT(slotResetCurrentChannel()));
|
|
|
|
connect(m_pickerColorButtonGroup, TQT_SIGNAL(released(int)),
|
|
this, TQT_SLOT(slotPickerColorButtonActived()));
|
|
|
|
}
|
|
|
|
AdjustLevelDialog::~AdjustLevelDialog()
|
|
{
|
|
m_histogramWidget->stopHistogramComputation();
|
|
|
|
if (m_destinationPreviewData)
|
|
delete [] m_destinationPreviewData;
|
|
|
|
delete m_histogramWidget;
|
|
delete m_levelsHistogramWidget;
|
|
delete m_levels;
|
|
}
|
|
|
|
void AdjustLevelDialog::slotPickerColorButtonActived()
|
|
{
|
|
// Save previous rendering mode and toggle to original image.
|
|
m_currentPreviewMode = m_previewWidget->getRenderingPreviewMode();
|
|
m_previewWidget->setRenderingPreviewMode(Digikam::ImageGuideWidget::PreviewOriginalImage);
|
|
}
|
|
|
|
void AdjustLevelDialog::slotSpotColorChanged(const Digikam::DColor &color)
|
|
{
|
|
if ( m_pickBlack->isOn() )
|
|
{
|
|
// Black tonal levels point.
|
|
m_levels->levelsBlackToneAdjustByColors(m_channelCB->currentItem(), color);
|
|
m_pickBlack->setOn(false);
|
|
}
|
|
else if ( m_pickGray->isOn() )
|
|
{
|
|
// Gray tonal levels point.
|
|
m_levels->levelsGrayToneAdjustByColors(m_channelCB->currentItem(), color);
|
|
m_pickGray->setOn(false);
|
|
}
|
|
else if ( m_pickWhite->isOn() )
|
|
{
|
|
// White tonal levels point.
|
|
m_levels->levelsWhiteToneAdjustByColors(m_channelCB->currentItem(), color);
|
|
m_pickWhite->setOn(false);
|
|
}
|
|
else
|
|
{
|
|
m_levelsHistogramWidget->setHistogramGuideByColor(color);
|
|
return;
|
|
}
|
|
|
|
// Refresh the current levels config.
|
|
slotChannelChanged(m_channelCB->currentItem());
|
|
|
|
// restore previous rendering mode.
|
|
m_previewWidget->setRenderingPreviewMode(m_currentPreviewMode);
|
|
|
|
slotEffect();
|
|
}
|
|
|
|
void AdjustLevelDialog::slotColorSelectedFromTarget( const Digikam::DColor &color )
|
|
{
|
|
m_histogramWidget->setHistogramGuideByColor(color);
|
|
}
|
|
|
|
void AdjustLevelDialog::slotGammaInputchanged(double val)
|
|
{
|
|
blockSignals(true);
|
|
m_levels->setLevelGammaValue(m_channelCB->currentItem(), val);
|
|
blockSignals(false);
|
|
slotTimer();
|
|
}
|
|
|
|
void AdjustLevelDialog::slotAdjustMinInputSpinBox(int val)
|
|
{
|
|
blockSignals(true);
|
|
|
|
if ( val < m_hGradientMaxInput->value() )
|
|
val = m_hGradientMaxInput->value();
|
|
|
|
m_minInput->setValue(m_histoSegments - val);
|
|
m_hGradientMinInput->setValue( val );
|
|
m_levels->setLevelLowInputValue(m_channelCB->currentItem(), m_histoSegments - val);
|
|
blockSignals(false);
|
|
slotTimer();
|
|
}
|
|
|
|
void AdjustLevelDialog::slotAdjustMaxInputSpinBox(int val)
|
|
{
|
|
blockSignals(true);
|
|
|
|
if ( val > m_hGradientMinInput->value() )
|
|
val = m_hGradientMinInput->value();
|
|
|
|
m_maxInput->setValue(m_histoSegments - val);
|
|
m_hGradientMaxInput->setValue( val );
|
|
m_levels->setLevelHighInputValue(m_channelCB->currentItem(), m_histoSegments - val);
|
|
blockSignals(false);
|
|
slotTimer();
|
|
}
|
|
|
|
void AdjustLevelDialog::slotAdjustMinOutputSpinBox(int val)
|
|
{
|
|
blockSignals(true);
|
|
|
|
if ( val < m_hGradientMaxOutput->value() )
|
|
val = m_hGradientMaxOutput->value();
|
|
|
|
m_minOutput->setValue(m_histoSegments - val);
|
|
m_hGradientMinOutput->setValue( val );
|
|
m_levels->setLevelLowOutputValue(m_channelCB->currentItem(), m_histoSegments - val);
|
|
blockSignals(false);
|
|
slotTimer();
|
|
}
|
|
|
|
void AdjustLevelDialog::slotAdjustMaxOutputSpinBox(int val)
|
|
{
|
|
blockSignals(true);
|
|
|
|
if ( val > m_hGradientMinOutput->value() )
|
|
val = m_hGradientMinOutput->value();
|
|
|
|
m_maxOutput->setValue(m_histoSegments - val);
|
|
m_hGradientMaxOutput->setValue( val );
|
|
m_levels->setLevelHighOutputValue(m_channelCB->currentItem(), m_histoSegments - val);
|
|
blockSignals(false);
|
|
slotTimer();
|
|
}
|
|
|
|
void AdjustLevelDialog::slotAdjustSliders()
|
|
{
|
|
adjustSliders(m_minInput->value(), m_gammaInput->value(),
|
|
m_maxInput->value(), m_minOutput->value(),
|
|
m_maxOutput->value());
|
|
}
|
|
|
|
void AdjustLevelDialog::adjustSliders(int minIn, double gamIn, int maxIn, int minOut, int maxOut)
|
|
{
|
|
m_hGradientMinInput->setValue(m_histoSegments - minIn);
|
|
m_hGradientMaxInput->setValue(m_histoSegments - maxIn);
|
|
m_gammaInput->setValue(gamIn);
|
|
m_hGradientMinOutput->setValue(m_histoSegments - minOut);
|
|
m_hGradientMaxOutput->setValue(m_histoSegments - maxOut);
|
|
}
|
|
|
|
void AdjustLevelDialog::slotResetCurrentChannel()
|
|
{
|
|
m_levels->levelsChannelReset(m_channelCB->currentItem());
|
|
|
|
// Refresh the current levels config.
|
|
slotChannelChanged(m_channelCB->currentItem());
|
|
m_levelsHistogramWidget->reset();
|
|
|
|
slotEffect();
|
|
m_histogramWidget->reset();
|
|
}
|
|
|
|
void AdjustLevelDialog::slotAutoLevels()
|
|
{
|
|
// Calculate Auto levels.
|
|
m_levels->levelsAuto(m_levelsHistogramWidget->m_imageHistogram);
|
|
|
|
// Refresh the current levels config.
|
|
slotChannelChanged(m_channelCB->currentItem());
|
|
|
|
slotEffect();
|
|
}
|
|
|
|
void AdjustLevelDialog::slotEffect()
|
|
{
|
|
Digikam::ImageIface* iface = m_previewWidget->imageIface();
|
|
uchar *orgData = iface->getPreviewImage();
|
|
int w = iface->previewWidth();
|
|
int h = iface->previewHeight();
|
|
bool sb = iface->previewSixteenBit();
|
|
|
|
// Create the new empty destination image data space.
|
|
m_histogramWidget->stopHistogramComputation();
|
|
|
|
if (m_destinationPreviewData)
|
|
delete [] m_destinationPreviewData;
|
|
|
|
m_destinationPreviewData = new uchar[w*h*(sb ? 8 : 4)];
|
|
|
|
// Calculate the LUT to apply on the image.
|
|
m_levels->levelsLutSetup(Digikam::ImageHistogram::AlphaChannel);
|
|
|
|
// Apply the lut to the image.
|
|
m_levels->levelsLutProcess(orgData, m_destinationPreviewData, w, h);
|
|
|
|
iface->putPreviewImage(m_destinationPreviewData);
|
|
m_previewWidget->updatePreview();
|
|
|
|
// Update histogram.
|
|
m_histogramWidget->updateData(m_destinationPreviewData, w, h, sb, 0, 0, 0, false);
|
|
|
|
delete [] orgData;
|
|
}
|
|
|
|
void AdjustLevelDialog::finalRendering()
|
|
{
|
|
kapp->setOverrideCursor( KCursor::waitCursor() );
|
|
Digikam::ImageIface* iface = m_previewWidget->imageIface();
|
|
uchar *orgData = iface->getOriginalImage();
|
|
int w = iface->originalWidth();
|
|
int h = iface->originalHeight();
|
|
bool sb = iface->originalSixteenBit();
|
|
|
|
// Create the new empty destination image data space.
|
|
uchar* desData = new uchar[w*h*(sb ? 8 : 4)];
|
|
|
|
// Calculate the LUT to apply on the image.
|
|
m_levels->levelsLutSetup(Digikam::ImageHistogram::AlphaChannel);
|
|
|
|
// Apply the lut to the image.
|
|
m_levels->levelsLutProcess(orgData, desData, w, h);
|
|
|
|
iface->putOriginalImage(i18n("Adjust Level"), desData);
|
|
kapp->restoreOverrideCursor();
|
|
|
|
delete [] orgData;
|
|
delete [] desData;
|
|
accept();
|
|
}
|
|
|
|
void AdjustLevelDialog::slotChannelChanged(int channel)
|
|
{
|
|
switch(channel)
|
|
{
|
|
case LuminosityChannel:
|
|
m_histogramWidget->m_channelType = Digikam::HistogramWidget::ValueHistogram;
|
|
m_levelsHistogramWidget->m_channelType = Digikam::HistogramWidget::ValueHistogram;
|
|
m_hGradientMinInput->setColors( TQColor( "black" ), TQColor( "white" ) );
|
|
m_hGradientMaxInput->setColors( TQColor( "black" ), TQColor( "white" ) );
|
|
m_hGradientMinOutput->setColors( TQColor( "black" ), TQColor( "white" ) );
|
|
m_hGradientMaxOutput->setColors( TQColor( "black" ), TQColor( "white" ) );
|
|
break;
|
|
|
|
case RedChannel:
|
|
m_histogramWidget->m_channelType = Digikam::HistogramWidget::RedChannelHistogram;
|
|
m_levelsHistogramWidget->m_channelType = Digikam::HistogramWidget::RedChannelHistogram;
|
|
m_hGradientMinInput->setColors( TQColor( "black" ), TQColor( "red" ) );
|
|
m_hGradientMaxInput->setColors( TQColor( "black" ), TQColor( "red" ) );
|
|
m_hGradientMinOutput->setColors( TQColor( "black" ), TQColor( "red" ) );
|
|
m_hGradientMaxOutput->setColors( TQColor( "black" ), TQColor( "red" ) );
|
|
break;
|
|
|
|
case GreenChannel:
|
|
m_histogramWidget->m_channelType = Digikam::HistogramWidget::GreenChannelHistogram;
|
|
m_levelsHistogramWidget->m_channelType = Digikam::HistogramWidget::GreenChannelHistogram;
|
|
m_hGradientMinInput->setColors( TQColor( "black" ), TQColor( "green" ) );
|
|
m_hGradientMaxInput->setColors( TQColor( "black" ), TQColor( "green" ) );
|
|
m_hGradientMinOutput->setColors( TQColor( "black" ), TQColor( "green" ) );
|
|
m_hGradientMaxOutput->setColors( TQColor( "black" ), TQColor( "green" ) );
|
|
break;
|
|
|
|
case BlueChannel:
|
|
m_histogramWidget->m_channelType = Digikam::HistogramWidget::BlueChannelHistogram;
|
|
m_levelsHistogramWidget->m_channelType = Digikam::HistogramWidget::BlueChannelHistogram;
|
|
m_hGradientMinInput->setColors( TQColor( "black" ), TQColor( "blue" ) );
|
|
m_hGradientMaxInput->setColors( TQColor( "black" ), TQColor( "blue" ) );
|
|
m_hGradientMinOutput->setColors( TQColor( "black" ), TQColor( "blue" ) );
|
|
m_hGradientMaxOutput->setColors( TQColor( "black" ), TQColor( "blue" ) );
|
|
break;
|
|
|
|
case AlphaChannel:
|
|
m_histogramWidget->m_channelType = Digikam::HistogramWidget::AlphaChannelHistogram;
|
|
m_levelsHistogramWidget->m_channelType = Digikam::HistogramWidget::AlphaChannelHistogram;
|
|
m_hGradientMinInput->setColors( TQColor( "black" ), TQColor( "white" ) );
|
|
m_hGradientMaxInput->setColors( TQColor( "black" ), TQColor( "white" ) );
|
|
m_hGradientMinOutput->setColors( TQColor( "black" ), TQColor( "white" ) );
|
|
m_hGradientMaxOutput->setColors( TQColor( "black" ), TQColor( "white" ) );
|
|
break;
|
|
}
|
|
|
|
adjustSliders(m_levels->getLevelLowInputValue(channel),
|
|
m_levels->getLevelGammaValue(channel),
|
|
m_levels->getLevelHighInputValue(channel),
|
|
m_levels->getLevelLowOutputValue(channel),
|
|
m_levels->getLevelHighOutputValue(channel));
|
|
|
|
m_levelsHistogramWidget->repaint(false);
|
|
m_histogramWidget->repaint(false);
|
|
}
|
|
|
|
void AdjustLevelDialog::slotScaleChanged(int scale)
|
|
{
|
|
m_levelsHistogramWidget->m_scaleType = scale;
|
|
m_histogramWidget->m_scaleType = scale;
|
|
m_histogramWidget->repaint(false);
|
|
m_levelsHistogramWidget->repaint(false);
|
|
}
|
|
|
|
void AdjustLevelDialog::readUserSettings()
|
|
{
|
|
TDEConfig* config = kapp->config();
|
|
config->setGroup("adjustlevels Tool Dialog");
|
|
|
|
m_channelCB->setCurrentItem(config->readNumEntry("Histogram Channel", 0)); // Luminosity.
|
|
m_scaleBG->setButton(config->readNumEntry("Histogram Scale", Digikam::HistogramWidget::LogScaleHistogram));
|
|
|
|
for (int i = 0 ; i < 5 ; i++)
|
|
{
|
|
bool sb = m_originalImage.sixteenBit();
|
|
int max = sb ? 65535 : 255;
|
|
double gamma = config->readDoubleNumEntry(TQString("GammaChannel%1").arg(i), 1.0);
|
|
int lowInput = config->readNumEntry(TQString("LowInputChannel%1").arg(i), 0);
|
|
int lowOutput = config->readNumEntry(TQString("LowOutputChannel%1").arg(i), 0);
|
|
int highInput = config->readNumEntry(TQString("HighInputChannel%1").arg(i), max);
|
|
int highOutput = config->readNumEntry(TQString("HighOutputChannel%1").arg(i), max);
|
|
|
|
m_levels->setLevelGammaValue(i, gamma);
|
|
m_levels->setLevelLowInputValue(i, sb ? lowInput*255 : lowInput);
|
|
m_levels->setLevelHighInputValue(i, sb ? highInput*255 : highInput);
|
|
m_levels->setLevelLowOutputValue(i, sb ? lowOutput*255 : lowOutput);
|
|
m_levels->setLevelHighOutputValue(i, sb ? highOutput*255 : highOutput);
|
|
}
|
|
|
|
m_levelsHistogramWidget->reset();
|
|
m_histogramWidget->reset();
|
|
slotChannelChanged(m_channelCB->currentItem());
|
|
slotScaleChanged(m_scaleBG->selectedId());
|
|
|
|
// This is mandatory here to set spinbox values because slot connections
|
|
// can be not set completely at plugin startup.
|
|
m_minInput->setValue(m_levels->getLevelLowInputValue(m_channelCB->currentItem()));
|
|
m_minOutput->setValue(m_levels->getLevelLowOutputValue(m_channelCB->currentItem()));
|
|
m_maxInput->setValue(m_levels->getLevelHighInputValue(m_channelCB->currentItem()));
|
|
m_maxOutput->setValue(m_levels->getLevelHighOutputValue(m_channelCB->currentItem()));
|
|
}
|
|
|
|
void AdjustLevelDialog::writeUserSettings()
|
|
{
|
|
TDEConfig* config = kapp->config();
|
|
config->setGroup("adjustlevels Tool Dialog");
|
|
config->writeEntry("Histogram Channel", m_channelCB->currentItem());
|
|
config->writeEntry("Histogram Scale", m_scaleBG->selectedId());
|
|
|
|
for (int i = 0 ; i < 5 ; i++)
|
|
{
|
|
bool sb = m_originalImage.sixteenBit();
|
|
double gamma = m_levels->getLevelGammaValue(i);
|
|
int lowInput = m_levels->getLevelLowInputValue(i);
|
|
int lowOutput = m_levels->getLevelLowOutputValue(i);
|
|
int highInput = m_levels->getLevelHighInputValue(i);
|
|
int highOutput = m_levels->getLevelHighOutputValue(i);
|
|
|
|
config->writeEntry(TQString("GammaChannel%1").arg(i), gamma);
|
|
config->writeEntry(TQString("LowInputChannel%1").arg(i), sb ? lowInput/255 : lowInput);
|
|
config->writeEntry(TQString("LowOutputChannel%1").arg(i), sb ? lowOutput/255 : lowOutput);
|
|
config->writeEntry(TQString("HighInputChannel%1").arg(i), sb ? highInput/255 : highInput);
|
|
config->writeEntry(TQString("HighOutputChannel%1").arg(i), sb ? highOutput/255 : highOutput);
|
|
}
|
|
|
|
config->sync();
|
|
}
|
|
|
|
void AdjustLevelDialog::resetValues()
|
|
{
|
|
for (int channel = 0 ; channel < 5 ; ++channel)
|
|
m_levels->levelsChannelReset(channel);
|
|
|
|
// Refresh the current levels config.
|
|
slotChannelChanged(m_channelCB->currentItem());
|
|
m_levelsHistogramWidget->reset();
|
|
m_histogramWidget->reset();
|
|
}
|
|
|
|
// Load all settings.
|
|
void AdjustLevelDialog::slotUser3()
|
|
{
|
|
KURL loadLevelsFile;
|
|
|
|
loadLevelsFile = KFileDialog::getOpenURL(TDEGlobalSettings::documentPath(),
|
|
TQString( "*" ), this,
|
|
TQString( i18n("Select Gimp Levels File to Load")) );
|
|
if( loadLevelsFile.isEmpty() )
|
|
return;
|
|
|
|
if ( m_levels->loadLevelsFromGimpLevelsFile( loadLevelsFile ) == false )
|
|
{
|
|
KMessageBox::error(this, i18n("Cannot load from the Gimp levels text file."));
|
|
return;
|
|
}
|
|
|
|
// Refresh the current levels config.
|
|
slotChannelChanged(m_channelCB->currentItem());
|
|
}
|
|
|
|
// Save all settings.
|
|
void AdjustLevelDialog::slotUser2()
|
|
{
|
|
KURL saveLevelsFile;
|
|
|
|
saveLevelsFile = KFileDialog::getSaveURL(TDEGlobalSettings::documentPath(),
|
|
TQString( "*" ), this,
|
|
TQString( i18n("Gimp Levels File to Save")) );
|
|
if( saveLevelsFile.isEmpty() )
|
|
return;
|
|
|
|
if ( m_levels->saveLevelsToGimpLevelsFile( saveLevelsFile ) == false )
|
|
{
|
|
KMessageBox::error(this, i18n("Cannot save to the Gimp levels text file."));
|
|
return;
|
|
}
|
|
|
|
// Refresh the current levels config.
|
|
slotChannelChanged(m_channelCB->currentItem());
|
|
}
|
|
|
|
// See B.K.O #146636: use event filter with all level slider to display a
|
|
// guide over level histogram.
|
|
bool AdjustLevelDialog::eventFilter(TQObject *obj, TQEvent *ev)
|
|
{
|
|
if ( obj == m_hGradientMinInput )
|
|
{
|
|
if ( ev->type() == TQEvent::MouseButtonPress)
|
|
{
|
|
connect(m_minInput, TQT_SIGNAL(valueChanged(int)),
|
|
this, TQT_SLOT(slotShowHistogramGuide(int)));
|
|
|
|
return false;
|
|
}
|
|
if ( ev->type() == TQEvent::MouseButtonRelease)
|
|
{
|
|
disconnect(m_minInput, TQT_SIGNAL(valueChanged(int)),
|
|
this, TQT_SLOT(slotShowHistogramGuide(int)));
|
|
|
|
m_levelsHistogramWidget->reset();
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
if ( obj == m_hGradientMaxInput )
|
|
{
|
|
if ( ev->type() == TQEvent::MouseButtonPress)
|
|
{
|
|
connect(m_maxInput, TQT_SIGNAL(valueChanged(int)),
|
|
this, TQT_SLOT(slotShowHistogramGuide(int)));
|
|
|
|
return false;
|
|
}
|
|
if ( ev->type() == TQEvent::MouseButtonRelease)
|
|
{
|
|
disconnect(m_maxInput, TQT_SIGNAL(valueChanged(int)),
|
|
this, TQT_SLOT(slotShowHistogramGuide(int)));
|
|
|
|
m_levelsHistogramWidget->reset();
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
if ( obj == m_hGradientMinOutput )
|
|
{
|
|
if ( ev->type() == TQEvent::MouseButtonPress)
|
|
{
|
|
connect(m_minOutput, TQT_SIGNAL(valueChanged(int)),
|
|
this, TQT_SLOT(slotShowHistogramGuide(int)));
|
|
|
|
return false;
|
|
}
|
|
if ( ev->type() == TQEvent::MouseButtonRelease)
|
|
{
|
|
disconnect(m_minOutput, TQT_SIGNAL(valueChanged(int)),
|
|
this, TQT_SLOT(slotShowHistogramGuide(int)));
|
|
|
|
m_levelsHistogramWidget->reset();
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
if ( obj == m_hGradientMaxOutput )
|
|
{
|
|
if ( ev->type() == TQEvent::MouseButtonPress)
|
|
{
|
|
connect(m_maxOutput, TQT_SIGNAL(valueChanged(int)),
|
|
this, TQT_SLOT(slotShowHistogramGuide(int)));
|
|
|
|
return false;
|
|
}
|
|
if ( ev->type() == TQEvent::MouseButtonRelease)
|
|
{
|
|
disconnect(m_maxOutput, TQT_SIGNAL(valueChanged(int)),
|
|
this, TQT_SLOT(slotShowHistogramGuide(int)));
|
|
|
|
m_levelsHistogramWidget->reset();
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// pass the event on to the parent class
|
|
return KDialogBase::eventFilter(obj, ev);
|
|
}
|
|
}
|
|
|
|
void AdjustLevelDialog::slotShowHistogramGuide(int v)
|
|
{
|
|
Digikam::DColor color(v, v, v, v, m_originalImage.sixteenBit());
|
|
m_levelsHistogramWidget->setHistogramGuideByColor(color);
|
|
}
|
|
|
|
} // NameSpace DigikamAdjustLevelsImagesPlugin
|