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/* ============================================================
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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 : 2004-12-01
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* Description : image histogram adjust curves.
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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 <kconfig.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 <kfiledialog.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 "imagecurves.h"
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#include "histogramwidget.h"
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#include "curveswidget.h"
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#include "colorgradientwidget.h"
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#include "dimgimagefilters.h"
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#include "adjustcurves.h"
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#include "adjustcurves.moc"
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namespace DigikamAdjustCurvesImagesPlugin
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{
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AdjustCurveDialog::AdjustCurveDialog(TQWidget* parent)
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: Digikam::ImageDlgBase(parent, i18n("Adjust Color Curves"), "adjustcurves", 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_curves = new Digikam::ImageCurves(m_originalImage.sixteenBit());
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// About data and help button.
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KAboutData* about = new KAboutData("digikam",
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I18N_NOOP("Adjust Color Curves"),
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digikam_version,
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I18N_NOOP("An image-histogram-curves adjustment plugin for digiKam."),
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KAboutData::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("adjustcurves Tool Dialog", plainPage(),
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i18n("<p>This is the image's curve-adjustments preview. "
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"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, 5, 5, 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("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>Select the histogram channel to display here:<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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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::CurvesWidget::LinScaleHistogram);
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KGlobal::dirs()->addResourceType("histogram-lin", KGlobal::dirs()->kde_default("data") + "digikam/data");
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TQString directory = KGlobal::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::CurvesWidget::LogScaleHistogram);
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KGlobal::dirs()->addResourceType("histogram-log", KGlobal::dirs()->kde_default("data") + "digikam/data");
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directory = KGlobal::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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m_scaleBG->setExclusive(true);
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m_scaleBG->setButton(Digikam::CurvesWidget::LogScaleHistogram);
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m_scaleBG->setFrameShape(TQFrame::NoFrame);
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m_scaleBG->setInsideMargin( 0 );
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TQHBoxLayout* l1 = new TQHBoxLayout();
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l1->addStretch(10);
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l1->addWidget(m_scaleBG);
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grid->addMultiCellWidget(label1, 0, 0, 1, 1);
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grid->addMultiCellWidget(m_channelCB, 0, 0, 2, 2);
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grid->addMultiCellLayout(l1, 0, 0, 4, 5);
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// -------------------------------------------------------------
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TQWidget *curveBox = new TQWidget(gboxSettings);
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TQGridLayout* gl = new TQGridLayout(curveBox, 4, 2, 0);
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m_histogramWidget = new Digikam::HistogramWidget(256, 140, curveBox, 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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"curves settings changes."));
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m_vGradient = new Digikam::ColorGradientWidget( Digikam::ColorGradientWidget::Vertical, 10, curveBox );
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m_vGradient->setColors( TQColor( "white" ), TQColor( "black" ) );
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TQLabel *spacev = new TQLabel(curveBox);
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spacev->setFixedWidth(1);
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m_curvesWidget = new Digikam::CurvesWidget(256, 256, m_originalImage.bits(), m_originalImage.width(),
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m_originalImage.height(), m_originalImage.sixteenBit(),
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m_curves, curveBox);
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TQWhatsThis::add( m_curvesWidget, i18n("<p>This is the curve drawing of the selected channel from "
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"original image"));
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TQLabel *spaceh = new TQLabel(curveBox);
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spaceh->setFixedHeight(1);
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m_hGradient = new Digikam::ColorGradientWidget( Digikam::ColorGradientWidget::Horizontal, 10, curveBox );
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m_hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
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gl->addMultiCellWidget(m_histogramWidget, 0, 0, 2, 2);
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gl->addMultiCellWidget(m_vGradient, 2, 2, 0, 0);
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gl->addMultiCellWidget(spacev, 2, 2, 1, 1);
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gl->addMultiCellWidget(m_curvesWidget, 2, 2, 2, 2);
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gl->addMultiCellWidget(spaceh, 3, 3, 2, 2);
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gl->addMultiCellWidget(m_hGradient, 4, 4, 2, 2);
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gl->setRowSpacing(1, spacingHint());
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grid->addMultiCellWidget(curveBox, 2, 3, 0, 5);
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// -------------------------------------------------------------
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m_curveType = new TQHButtonGroup(gboxSettings);
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m_curveFree = new TQPushButton(m_curveType);
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m_curveType->insert(m_curveFree, FreeDrawing);
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KGlobal::dirs()->addResourceType("curvefree", KGlobal::dirs()->kde_default("data") +
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"digikam/data");
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directory = KGlobal::dirs()->findResourceDir("curvefree", "curvefree.png");
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m_curveFree->setPixmap( TQPixmap( directory + "curvefree.png" ) );
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m_curveFree->setToggleButton(true);
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TQToolTip::add( m_curveFree, i18n( "Curve free mode" ) );
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TQWhatsThis::add( m_curveFree, i18n("<p>With this button, you can draw your curve free-hand with the mouse."));
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m_curveSmooth = new TQPushButton(m_curveType);
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m_curveType->insert(m_curveSmooth, SmoothDrawing);
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KGlobal::dirs()->addResourceType("curvemooth", KGlobal::dirs()->kde_default("data") +
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"digikam/data");
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directory = KGlobal::dirs()->findResourceDir("curvemooth", "curvemooth.png");
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m_curveSmooth->setPixmap( TQPixmap( directory + "curvemooth.png" ) );
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m_curveSmooth->setToggleButton(true);
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TQToolTip::add( m_curveSmooth, i18n( "Curve smooth mode" ) );
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TQWhatsThis::add( m_curveSmooth, i18n("<p>With this button, you constrains the curve type to a smooth line with tension."));
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m_curveType->setExclusive(true);
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m_curveType->setButton(SmoothDrawing);
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m_curveType->setFrameShape(TQFrame::NoFrame);
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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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KGlobal::dirs()->addResourceType("color-picker-black", KGlobal::dirs()->kde_default("data") +
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"digikam/data");
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directory = KGlobal::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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"smooth curves point 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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KGlobal::dirs()->addResourceType("color-picker-grey", KGlobal::dirs()->kde_default("data") +
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"digikam/data");
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directory = KGlobal::dirs()->findResourceDir("color-picker-grey", "color-picker-grey.png");
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m_pickGray->setPixmap( TQPixmap( directory + "color-picker-grey.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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"smooth curves point 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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KGlobal::dirs()->addResourceType("color-picker-white", KGlobal::dirs()->kde_default("data") +
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"digikam/data");
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directory = KGlobal::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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"smooth curves point 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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// -------------------------------------------------------------
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m_resetButton = new TQPushButton(i18n("&Reset"), gboxSettings);
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m_resetButton->setPixmap( SmallIcon("reload_page", 18) );
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TQToolTip::add( m_resetButton, i18n( "Reset current channel curves' values." ) );
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TQWhatsThis::add( m_resetButton, i18n("<p>If you press this button, all curves' 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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TQHBoxLayout* l3 = new TQHBoxLayout();
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l3->addWidget(m_curveType);
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l3->addWidget(m_pickerColorButtonGroup);
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l3->addWidget(m_resetButton);
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l3->addStretch(10);
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grid->addMultiCellLayout(l3, 4, 4, 1, 5);
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// -------------------------------------------------------------
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grid->setRowStretch(5, 10);
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setUserAreaWidget(gboxSettings);
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// -------------------------------------------------------------
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connect(m_curvesWidget, TQT_SIGNAL(signalCurvesChanged()),
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this, TQT_SLOT(slotTimer()));
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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 & )),
|
|
|
|
this, TQT_SLOT(slotColorSelectedFromTarget( const Digikam::DColor & )));
|
|
|
|
|
|
|
|
connect(m_previewWidget, TQT_SIGNAL(signalResized()),
|
|
|
|
this, TQT_SLOT(slotEffect()));
|
|
|
|
|
|
|
|
// -------------------------------------------------------------
|
|
|
|
// ComboBox slots.
|
|
|
|
|
|
|
|
connect(m_channelCB, TQT_SIGNAL(activated(int)),
|
|
|
|
this, TQT_SLOT(slotChannelChanged(int)));
|
|
|
|
|
|
|
|
connect(m_scaleBG, TQT_SIGNAL(released(int)),
|
|
|
|
this, TQT_SLOT(slotScaleChanged(int)));
|
|
|
|
|
|
|
|
connect(m_curveType, TQT_SIGNAL(clicked(int)),
|
|
|
|
this, TQT_SLOT(slotCurveTypeChanged(int)));
|
|
|
|
|
|
|
|
// -------------------------------------------------------------
|
|
|
|
// Bouttons slots.
|
|
|
|
|
|
|
|
connect(m_resetButton, TQT_SIGNAL(clicked()),
|
|
|
|
this, TQT_SLOT(slotResetCurrentChannel()));
|
|
|
|
|
|
|
|
connect(m_pickerColorButtonGroup, TQT_SIGNAL(released(int)),
|
|
|
|
this, TQT_SLOT(slotPickerColorButtonActived()));
|
|
|
|
}
|
|
|
|
|
|
|
|
AdjustCurveDialog::~AdjustCurveDialog()
|
|
|
|
{
|
|
|
|
m_histogramWidget->stopHistogramComputation();
|
|
|
|
|
|
|
|
if (m_destinationPreviewData)
|
|
|
|
delete [] m_destinationPreviewData;
|
|
|
|
|
|
|
|
delete m_histogramWidget;
|
|
|
|
delete m_curvesWidget;
|
|
|
|
delete m_previewWidget;
|
|
|
|
delete m_curves;
|
|
|
|
}
|
|
|
|
|
|
|
|
void AdjustCurveDialog::slotPickerColorButtonActived()
|
|
|
|
{
|
|
|
|
// Save previous rendering mode and toggle to original image.
|
|
|
|
m_currentPreviewMode = m_previewWidget->getRenderingPreviewMode();
|
|
|
|
m_previewWidget->setRenderingPreviewMode(Digikam::ImageGuideWidget::PreviewOriginalImage);
|
|
|
|
}
|
|
|
|
|
|
|
|
void AdjustCurveDialog::slotSpotColorChanged(const Digikam::DColor &color)
|
|
|
|
{
|
|
|
|
Digikam::DColor sc = color;
|
|
|
|
|
|
|
|
if ( m_pickBlack->isOn() )
|
|
|
|
{
|
|
|
|
// Black tonal curves point.
|
|
|
|
m_curves->setCurvePoint(Digikam::ImageHistogram::ValueChannel, 1,
|
|
|
|
TQPoint(TQMAX(TQMAX(sc.red(), sc.green()), sc.blue()), 42*m_histoSegments/256));
|
|
|
|
m_curves->setCurvePoint(Digikam::ImageHistogram::RedChannel, 1, TQPoint(sc.red(), 42*m_histoSegments/256));
|
|
|
|
m_curves->setCurvePoint(Digikam::ImageHistogram::GreenChannel, 1, TQPoint(sc.green(), 42*m_histoSegments/256));
|
|
|
|
m_curves->setCurvePoint(Digikam::ImageHistogram::BlueChannel, 1, TQPoint(sc.blue(), 42*m_histoSegments/256));
|
|
|
|
m_pickBlack->setOn(false);
|
|
|
|
}
|
|
|
|
else if ( m_pickGray->isOn() )
|
|
|
|
{
|
|
|
|
// Gray tonal curves point.
|
|
|
|
m_curves->setCurvePoint(Digikam::ImageHistogram::ValueChannel, 8,
|
|
|
|
TQPoint(TQMAX(TQMAX(sc.red(), sc.green()), sc.blue()), 128*m_histoSegments/256));
|
|
|
|
m_curves->setCurvePoint(Digikam::ImageHistogram::RedChannel, 8, TQPoint(sc.red(), 128*m_histoSegments/256));
|
|
|
|
m_curves->setCurvePoint(Digikam::ImageHistogram::GreenChannel, 8, TQPoint(sc.green(), 128*m_histoSegments/256));
|
|
|
|
m_curves->setCurvePoint(Digikam::ImageHistogram::BlueChannel, 8, TQPoint(sc.blue(), 128*m_histoSegments/256));
|
|
|
|
m_pickGray->setOn(false);
|
|
|
|
}
|
|
|
|
else if ( m_pickWhite->isOn() )
|
|
|
|
{
|
|
|
|
// White tonal curves point.
|
|
|
|
m_curves->setCurvePoint(Digikam::ImageHistogram::ValueChannel, 15,
|
|
|
|
TQPoint(TQMAX(TQMAX(sc.red(), sc.green()), sc.blue()), 213*m_histoSegments/256));
|
|
|
|
m_curves->setCurvePoint(Digikam::ImageHistogram::RedChannel, 15, TQPoint(sc.red(), 213*m_histoSegments/256));
|
|
|
|
m_curves->setCurvePoint(Digikam::ImageHistogram::GreenChannel, 15, TQPoint(sc.green(), 213*m_histoSegments/256));
|
|
|
|
m_curves->setCurvePoint(Digikam::ImageHistogram::BlueChannel, 15, TQPoint(sc.blue(), 213*m_histoSegments/256));
|
|
|
|
m_pickWhite->setOn(false);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
m_curvesWidget->setCurveGuide(color);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Calculate Red, green, blue curves.
|
|
|
|
|
|
|
|
for (int i = Digikam::ImageHistogram::ValueChannel ; i <= Digikam::ImageHistogram::BlueChannel ; i++)
|
|
|
|
m_curves->curvesCalculateCurve(i);
|
|
|
|
|
|
|
|
m_curvesWidget->tqrepaint(false);
|
|
|
|
|
|
|
|
// restore previous rendering mode.
|
|
|
|
m_previewWidget->setRenderingPreviewMode(m_currentPreviewMode);
|
|
|
|
|
|
|
|
slotEffect();
|
|
|
|
}
|
|
|
|
|
|
|
|
void AdjustCurveDialog::slotColorSelectedFromTarget( const Digikam::DColor &color )
|
|
|
|
{
|
|
|
|
m_histogramWidget->setHistogramGuideByColor(color);
|
|
|
|
}
|
|
|
|
|
|
|
|
void AdjustCurveDialog::slotResetCurrentChannel()
|
|
|
|
{
|
|
|
|
m_curves->curvesChannelReset(m_channelCB->currentItem());
|
|
|
|
|
|
|
|
m_curvesWidget->reset();
|
|
|
|
slotEffect();
|
|
|
|
m_histogramWidget->reset();
|
|
|
|
}
|
|
|
|
|
|
|
|
void AdjustCurveDialog::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_curves->curvesLutSetup(Digikam::ImageHistogram::AlphaChannel);
|
|
|
|
|
|
|
|
// Apply the lut to the image.
|
|
|
|
m_curves->curvesLutProcess(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 AdjustCurveDialog::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_curves->curvesLutSetup(Digikam::ImageHistogram::AlphaChannel);
|
|
|
|
|
|
|
|
// Apply the lut to the image.
|
|
|
|
m_curves->curvesLutProcess(orgData, desData, w, h);
|
|
|
|
|
|
|
|
iface->putOriginalImage(i18n("Adjust Curve"), desData);
|
|
|
|
kapp->restoreOverrideCursor();
|
|
|
|
|
|
|
|
delete [] orgData;
|
|
|
|
delete [] desData;
|
|
|
|
accept();
|
|
|
|
}
|
|
|
|
|
|
|
|
void AdjustCurveDialog::slotChannelChanged(int channel)
|
|
|
|
{
|
|
|
|
switch(channel)
|
|
|
|
{
|
|
|
|
case LuminosityChannel:
|
|
|
|
m_histogramWidget->m_channelType = Digikam::HistogramWidget::ValueHistogram;
|
|
|
|
m_hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
|
|
|
|
m_curvesWidget->m_channelType = Digikam::CurvesWidget::ValueHistogram;
|
|
|
|
m_vGradient->setColors( TQColor( "white" ), TQColor( "black" ) );
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RedChannel:
|
|
|
|
m_histogramWidget->m_channelType = Digikam::HistogramWidget::RedChannelHistogram;
|
|
|
|
m_hGradient->setColors( TQColor( "black" ), TQColor( "red" ) );
|
|
|
|
m_curvesWidget->m_channelType = Digikam::CurvesWidget::RedChannelHistogram;
|
|
|
|
m_vGradient->setColors( TQColor( "red" ), TQColor( "black" ) );
|
|
|
|
break;
|
|
|
|
|
|
|
|
case GreenChannel:
|
|
|
|
m_histogramWidget->m_channelType = Digikam::HistogramWidget::GreenChannelHistogram;
|
|
|
|
m_hGradient->setColors( TQColor( "black" ), TQColor( "green" ) );
|
|
|
|
m_curvesWidget->m_channelType = Digikam::CurvesWidget::GreenChannelHistogram;
|
|
|
|
m_vGradient->setColors( TQColor( "green" ), TQColor( "black" ) );
|
|
|
|
break;
|
|
|
|
|
|
|
|
case BlueChannel:
|
|
|
|
m_histogramWidget->m_channelType = Digikam::HistogramWidget::BlueChannelHistogram;
|
|
|
|
m_hGradient->setColors( TQColor( "black" ), TQColor( "blue" ) );
|
|
|
|
m_curvesWidget->m_channelType = Digikam::CurvesWidget::BlueChannelHistogram;
|
|
|
|
m_vGradient->setColors( TQColor( "blue" ), TQColor( "black" ) );
|
|
|
|
break;
|
|
|
|
|
|
|
|
case AlphaChannel:
|
|
|
|
m_histogramWidget->m_channelType = Digikam::HistogramWidget::AlphaChannelHistogram;
|
|
|
|
m_hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
|
|
|
|
m_curvesWidget->m_channelType = Digikam::CurvesWidget::AlphaChannelHistogram;
|
|
|
|
m_vGradient->setColors( TQColor( "white" ), TQColor( "black" ) );
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
m_curveType->setButton(m_curves->getCurveType(channel));
|
|
|
|
|
|
|
|
m_curvesWidget->tqrepaint(false);
|
|
|
|
m_histogramWidget->tqrepaint(false);
|
|
|
|
}
|
|
|
|
|
|
|
|
void AdjustCurveDialog::slotScaleChanged(int scale)
|
|
|
|
{
|
|
|
|
m_curvesWidget->m_scaleType = scale;
|
|
|
|
m_histogramWidget->m_scaleType = scale;
|
|
|
|
m_histogramWidget->tqrepaint(false);
|
|
|
|
m_curvesWidget->tqrepaint(false);
|
|
|
|
}
|
|
|
|
|
|
|
|
void AdjustCurveDialog::slotCurveTypeChanged(int type)
|
|
|
|
{
|
|
|
|
switch(type)
|
|
|
|
{
|
|
|
|
case SmoothDrawing:
|
|
|
|
{
|
|
|
|
m_curves->setCurveType(m_curvesWidget->m_channelType, Digikam::ImageCurves::CURVE_SMOOTH);
|
|
|
|
m_pickerColorButtonGroup->setEnabled(true);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
case FreeDrawing:
|
|
|
|
{
|
|
|
|
m_curves->setCurveType(m_curvesWidget->m_channelType, Digikam::ImageCurves::CURVE_FREE);
|
|
|
|
m_pickerColorButtonGroup->setEnabled(false);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
m_curvesWidget->curveTypeChanged();
|
|
|
|
}
|
|
|
|
|
|
|
|
void AdjustCurveDialog::readUserSettings()
|
|
|
|
{
|
|
|
|
KConfig* config = kapp->config();
|
|
|
|
config->setGroup("adjustcurves Tool Dialog");
|
|
|
|
|
|
|
|
m_channelCB->setCurrentItem(config->readNumEntry("Histogram Channel", 0)); // Luminosity.
|
|
|
|
m_scaleBG->setButton(config->readNumEntry("Histogram Scale", Digikam::HistogramWidget::LogScaleHistogram));
|
|
|
|
|
|
|
|
m_curvesWidget->reset();
|
|
|
|
|
|
|
|
for (int i = 0 ; i < 5 ; i++)
|
|
|
|
{
|
|
|
|
m_curves->curvesChannelReset(i);
|
|
|
|
m_curves->setCurveType(i, (Digikam::ImageCurves::CurveType)config->readNumEntry(TQString("CurveTypeChannel%1").tqarg(i),
|
|
|
|
Digikam::ImageCurves::CURVE_SMOOTH));
|
|
|
|
|
|
|
|
for (int j = 0 ; j < 17 ; j++)
|
|
|
|
{
|
|
|
|
TQPoint disable(-1, -1);
|
|
|
|
TQPoint p = config->readPointEntry(TQString("CurveAjustmentChannel%1Point%2").tqarg(i).tqarg(j), &disable);
|
|
|
|
|
|
|
|
if (m_originalImage.sixteenBit() && p.x() != -1)
|
|
|
|
{
|
|
|
|
p.setX(p.x()*255);
|
|
|
|
p.setY(p.y()*255);
|
|
|
|
}
|
|
|
|
|
|
|
|
m_curves->setCurvePoint(i, j, p);
|
|
|
|
}
|
|
|
|
|
|
|
|
m_curves->curvesCalculateCurve(i);
|
|
|
|
}
|
|
|
|
|
|
|
|
slotChannelChanged(m_channelCB->currentItem());
|
|
|
|
slotScaleChanged(m_scaleBG->selectedId());
|
|
|
|
}
|
|
|
|
|
|
|
|
void AdjustCurveDialog::writeUserSettings()
|
|
|
|
{
|
|
|
|
KConfig* config = kapp->config();
|
|
|
|
config->setGroup("adjustcurves Tool Dialog");
|
|
|
|
config->writeEntry("Histogram Channel", m_channelCB->currentItem());
|
|
|
|
config->writeEntry("Histogram Scale", m_scaleBG->selectedId());
|
|
|
|
|
|
|
|
for (int i = 0 ; i < 5 ; i++)
|
|
|
|
{
|
|
|
|
config->writeEntry(TQString("CurveTypeChannel%1").tqarg(i), m_curves->getCurveType(i));
|
|
|
|
|
|
|
|
for (int j = 0 ; j < 17 ; j++)
|
|
|
|
{
|
|
|
|
TQPoint p = m_curves->getCurvePoint(i, j);
|
|
|
|
|
|
|
|
if (m_originalImage.sixteenBit() && p.x() != -1)
|
|
|
|
{
|
|
|
|
p.setX(p.x()/255);
|
|
|
|
p.setY(p.y()/255);
|
|
|
|
}
|
|
|
|
|
|
|
|
config->writeEntry(TQString("CurveAjustmentChannel%1Point%2").tqarg(i).tqarg(j), p);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
config->sync();
|
|
|
|
}
|
|
|
|
|
|
|
|
void AdjustCurveDialog::resetValues()
|
|
|
|
{
|
|
|
|
for (int channel = 0 ; channel < 5 ; channel++)
|
|
|
|
m_curves->curvesChannelReset(channel);
|
|
|
|
|
|
|
|
m_curvesWidget->reset();
|
|
|
|
m_histogramWidget->reset();
|
|
|
|
}
|
|
|
|
|
|
|
|
// Load all settings.
|
|
|
|
void AdjustCurveDialog::slotUser3()
|
|
|
|
{
|
|
|
|
KURL loadCurvesFile;
|
|
|
|
|
|
|
|
loadCurvesFile = KFileDialog::getOpenURL(KGlobalSettings::documentPath(),
|
|
|
|
TQString( "*" ), this,
|
|
|
|
TQString( i18n("Select Gimp Curves File to Load")) );
|
|
|
|
if( loadCurvesFile.isEmpty() )
|
|
|
|
return;
|
|
|
|
|
|
|
|
if ( m_curves->loadCurvesFromGimpCurvesFile( loadCurvesFile ) == false )
|
|
|
|
{
|
|
|
|
KMessageBox::error(this, i18n("Cannot load from the Gimp curves text file."));
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Refresh the current curves config.
|
|
|
|
slotChannelChanged(m_channelCB->currentItem());
|
|
|
|
slotEffect();
|
|
|
|
}
|
|
|
|
|
|
|
|
// Save all settings.
|
|
|
|
void AdjustCurveDialog::slotUser2()
|
|
|
|
{
|
|
|
|
KURL saveCurvesFile;
|
|
|
|
|
|
|
|
saveCurvesFile = KFileDialog::getSaveURL(KGlobalSettings::documentPath(),
|
|
|
|
TQString( "*" ), this,
|
|
|
|
TQString( i18n("Gimp Curves File to Save")) );
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if( saveCurvesFile.isEmpty() )
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return;
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if ( m_curves->saveCurvesToGimpCurvesFile( saveCurvesFile ) == false )
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{
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KMessageBox::error(this, i18n("Cannot save to the Gimp curves text file."));
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return;
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}
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// Refresh the current curves config.
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slotChannelChanged(m_channelCB->currentItem());
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}
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} // NameSpace DigikamAdjustCurvesImagesPlugin
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