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800 lines
31 KiB
800 lines
31 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 : 2004-11-17
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* Description : a tab to display colors information of images
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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 <tqspinbox.h>
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#include <tqcombobox.h>
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#include <tqlabel.h>
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#include <tqwhatsthis.h>
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#include <tqgroupbox.h>
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#include <tqhbuttongroup.h>
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#include <tqpushbutton.h>
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#include <tqtooltip.h>
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#include <tqvbox.h>
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#include <tqscrollview.h>
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// KDE includes.
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#include <klocale.h>
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#include <ksqueezedtextlabel.h>
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#include <kapplication.h>
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#include <tdeconfig.h>
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#include <kdialogbase.h>
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#include <kstandarddirs.h>
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#include <ktabwidget.h>
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// Local includes.
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#include "ddebug.h"
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#include "dimg.h"
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#include "imagehistogram.h"
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#include "histogramwidget.h"
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#include "colorgradientwidget.h"
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#include "navigatebarwidget.h"
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#include "sharedloadsavethread.h"
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#include "iccprofilewidget.h"
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#include "cietonguewidget.h"
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#include "imagepropertiescolorstab.h"
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#include "imagepropertiescolorstab.moc"
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namespace Digikam
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{
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class ImagePropertiesColorsTabPriv
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{
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public:
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enum MetadataTab
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{
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HISTOGRAM=0,
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ICCPROFILE
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};
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ImagePropertiesColorsTabPriv()
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{
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imageLoaderThread = 0;
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tab = 0;
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channelCB = 0;
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colorsCB = 0;
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renderingCB = 0;
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scaleBG = 0;
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regionBG = 0;
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minInterv = 0;
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maxInterv = 0;
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labelMeanValue = 0;
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labelPixelsValue = 0;
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labelStdDevValue = 0;
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labelCountValue = 0;
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labelMedianValue = 0;
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labelPercentileValue = 0;
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labelColorDepth = 0;
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labelAlphaChannel = 0;
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iccProfileWidget = 0;
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hGradient = 0;
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histogramWidget = 0;
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imageLoaderThread = 0;
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inLoadingProcess = false;
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}
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bool inLoadingProcess;
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TQComboBox *channelCB;
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TQComboBox *colorsCB;
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TQComboBox *renderingCB;
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TQHButtonGroup *scaleBG;
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TQHButtonGroup *regionBG;
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TQSpinBox *minInterv;
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TQSpinBox *maxInterv;
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TQLabel *labelMeanValue;
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TQLabel *labelPixelsValue;
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TQLabel *labelStdDevValue;
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TQLabel *labelCountValue;
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TQLabel *labelMedianValue;
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TQLabel *labelPercentileValue;
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TQLabel *labelColorDepth;
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TQLabel *labelAlphaChannel;
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TQString currentFilePath;
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LoadingDescription currentLoadingDescription;
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TQRect selectionArea;
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TQByteArray embedded_profile;
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KTabWidget *tab;
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DImg image;
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DImg imageSelection;
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ICCProfileWidget *iccProfileWidget;
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ColorGradientWidget *hGradient;
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HistogramWidget *histogramWidget;
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SharedLoadSaveThread *imageLoaderThread;
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};
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ImagePropertiesColorsTab::ImagePropertiesColorsTab(TQWidget* parent, bool navBar)
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: NavigateBarTab(parent)
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{
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d = new ImagePropertiesColorsTabPriv;
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setupNavigateBar(navBar);
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d->tab = new KTabWidget(this);
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m_navigateBarLayout->addWidget(d->tab);
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// Histogram tab area -----------------------------------------------------
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TQScrollView *sv = new TQScrollView(d->tab);
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sv->viewport()->setBackgroundMode(TQt::PaletteBackground);
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sv->setResizePolicy(TQScrollView::AutoOneFit);
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sv->setFrameStyle(TQFrame::NoFrame);
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TQWidget* histogramPage = new TQWidget(sv->viewport());
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TQGridLayout *topLayout = new TQGridLayout(histogramPage, 8, 3,
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KDialog::spacingHint(), KDialog::spacingHint());
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sv->addChild(histogramPage);
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TQLabel *label1 = new TQLabel(i18n("Channel:"), histogramPage);
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label1->setAlignment ( TQt::AlignRight | TQt::AlignVCenter );
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d->channelCB = new TQComboBox( false, histogramPage );
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d->channelCB->insertItem( i18n("Luminosity") );
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d->channelCB->insertItem( i18n("Red") );
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d->channelCB->insertItem( i18n("Green") );
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d->channelCB->insertItem( i18n("Blue") );
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d->channelCB->insertItem( i18n("Alpha") );
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d->channelCB->insertItem( i18n("Colors") );
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TQWhatsThis::add( d->channelCB, i18n("<p>Select the histogram channel to display here:<p>"
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"<b>Luminosity</b>: Display luminosity (perceived brightness) values.<p>"
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"<b>Red</b>: Display the red image channel.<p>"
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"<b>Green</b>: Display the green image channel.<p>"
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"<b>Blue</b>: Display the blue image channel.<p>"
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"<b>Alpha</b>: Display the alpha image channel. "
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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 TIFF.<p>"
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"<b>Colors</b>: Display all color channel values at the same time."));
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d->scaleBG = new TQHButtonGroup(histogramPage);
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d->scaleBG->setExclusive(true);
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d->scaleBG->setFrameShape(TQFrame::NoFrame);
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d->scaleBG->setInsideMargin( 0 );
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TQWhatsThis::add( d->scaleBG, i18n("<p>Select the histogram scale here.<p>"
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"If the image's maximal values are small, you can use the linear scale.<p>"
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"Logarithmic scale can be used when the maximal values are big; "
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"if it is used, all values (small and large) will be visible on the "
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"graph."));
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TQPushButton *linHistoButton = new TQPushButton( d->scaleBG );
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TQToolTip::add( linHistoButton, i18n( "<p>Linear" ) );
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d->scaleBG->insert(linHistoButton, 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( d->scaleBG );
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TQToolTip::add( logHistoButton, i18n( "<p>Logarithmic" ) );
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d->scaleBG->insert(logHistoButton, 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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TQLabel *label10 = new TQLabel(i18n("Colors:"), histogramPage);
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label10->setAlignment ( TQt::AlignRight | TQt::AlignVCenter );
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d->colorsCB = new TQComboBox( false, histogramPage );
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d->colorsCB->insertItem( i18n("Red") );
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d->colorsCB->insertItem( i18n("Green") );
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d->colorsCB->insertItem( i18n("Blue") );
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d->colorsCB->setEnabled( false );
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TQWhatsThis::add( d->colorsCB, i18n("<p>Select the main color displayed with Colors Channel mode here:<p>"
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"<b>Red</b>: Draw the red image channel in the foreground.<p>"
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"<b>Green</b>: Draw the green image channel in the foreground.<p>"
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"<b>Blue</b>: Draw the blue image channel in the foreground.<p>"));
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d->regionBG = new TQHButtonGroup(histogramPage);
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d->regionBG->setExclusive(true);
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d->regionBG->setFrameShape(TQFrame::NoFrame);
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d->regionBG->setInsideMargin( 0 );
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d->regionBG->hide();
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TQWhatsThis::add( d->regionBG, i18n("<p>Select from which region the histogram will be computed here:<p>"
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"<b>Full Image</b>: Compute histogram using the full image.<p>"
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"<b>Selection</b>: Compute histogram using the current image "
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"selection."));
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TQPushButton *fullImageButton = new TQPushButton( d->regionBG );
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TQToolTip::add( fullImageButton, i18n( "<p>Full Image" ) );
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d->regionBG->insert(fullImageButton, HistogramWidget::FullImageHistogram);
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TDEGlobal::dirs()->addResourceType("image-full", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
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directory = TDEGlobal::dirs()->findResourceDir("image-full", "image-full.png");
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fullImageButton->setPixmap( TQPixmap( directory + "image-full.png" ) );
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fullImageButton->setToggleButton(true);
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TQPushButton *SelectionImageButton = new TQPushButton( d->regionBG );
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TQToolTip::add( SelectionImageButton, i18n( "<p>Selection" ) );
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d->regionBG->insert(SelectionImageButton, HistogramWidget::ImageSelectionHistogram);
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TDEGlobal::dirs()->addResourceType("image-selection", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
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directory = TDEGlobal::dirs()->findResourceDir("image-selection", "image-selection.png");
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SelectionImageButton->setPixmap( TQPixmap( directory + "image-selection.png" ) );
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SelectionImageButton->setToggleButton(true);
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// -------------------------------------------------------------
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TQVBox *histoBox = new TQVBox(histogramPage);
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d->histogramWidget = new HistogramWidget(256, 140, histoBox);
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TQWhatsThis::add( d->histogramWidget, i18n("<p>This is the histogram drawing of the "
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"selected image channel"));
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TQLabel *space = new TQLabel(histoBox);
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space->setFixedHeight(1);
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d->hGradient = new ColorGradientWidget(ColorGradientWidget::Horizontal, 10, histoBox);
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d->hGradient->setColors(TQColor("black"), TQColor("white"));
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// -------------------------------------------------------------
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TQHBoxLayout *hlay2 = new TQHBoxLayout(KDialog::spacingHint());
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TQLabel *label3 = new TQLabel(i18n("Range:"), histogramPage);
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label3->setAlignment(TQt::AlignLeft | TQt::AlignVCenter);
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d->minInterv = new TQSpinBox(0, 255, 1, histogramPage);
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d->minInterv->setValue(0);
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TQWhatsThis::add(d->minInterv, i18n("<p>Select the minimal intensity "
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"value of the histogram selection here."));
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d->maxInterv = new TQSpinBox(0, 255, 1, histogramPage);
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d->maxInterv->setValue(255);
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TQWhatsThis::add(d->minInterv, i18n("<p>Select the maximal intensity value "
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"of the histogram selection here."));
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hlay2->addWidget(label3);
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hlay2->addWidget(d->minInterv);
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hlay2->addWidget(d->maxInterv);
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// -------------------------------------------------------------
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TQGroupBox *gbox = new TQGroupBox(2, Qt::Horizontal, i18n("Statistics"), histogramPage);
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TQWhatsThis::add( gbox, i18n("<p>Here you can see the statistical results calculated from the "
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"selected histogram part. These values are available for all "
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"channels."));
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TQLabel *label5 = new TQLabel(i18n("Pixels:"), gbox);
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label5->setAlignment(TQt::AlignLeft | TQt::AlignVCenter);
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d->labelPixelsValue = new TQLabel(gbox);
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d->labelPixelsValue->setAlignment(TQt::AlignRight | TQt::AlignVCenter);
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TQLabel *label7 = new TQLabel(i18n("Count:"), gbox);
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label7->setAlignment(TQt::AlignLeft | TQt::AlignVCenter);
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d->labelCountValue = new TQLabel(gbox);
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d->labelCountValue->setAlignment(TQt::AlignRight | TQt::AlignVCenter);
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TQLabel *label4 = new TQLabel(i18n("Mean:"), gbox);
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label4->setAlignment(TQt::AlignLeft | TQt::AlignVCenter);
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d->labelMeanValue = new TQLabel(gbox);
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d->labelMeanValue->setAlignment (TQt::AlignRight | TQt::AlignVCenter);
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TQLabel *label6 = new TQLabel(i18n("Std. deviation:"), gbox);
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label6->setAlignment(TQt::AlignLeft | TQt::AlignVCenter);
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d->labelStdDevValue = new TQLabel(gbox);
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d->labelStdDevValue->setAlignment(TQt::AlignRight | TQt::AlignVCenter);
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TQLabel *label8 = new TQLabel(i18n("Median:"), gbox);
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label8->setAlignment(TQt::AlignLeft | TQt::AlignVCenter);
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d->labelMedianValue = new TQLabel(gbox);
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d->labelMedianValue->setAlignment(TQt::AlignRight | TQt::AlignVCenter);
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TQLabel *label9 = new TQLabel(i18n("Percentile:"), gbox);
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label9->setAlignment(TQt::AlignLeft | TQt::AlignVCenter);
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d->labelPercentileValue = new TQLabel(gbox);
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d->labelPercentileValue->setAlignment(TQt::AlignRight | TQt::AlignVCenter);
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TQLabel *label11 = new TQLabel(i18n("Color depth:"), gbox);
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label11->setAlignment(TQt::AlignLeft | TQt::AlignVCenter);
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d->labelColorDepth = new TQLabel(gbox);
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d->labelColorDepth->setAlignment(TQt::AlignRight | TQt::AlignVCenter);
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TQLabel *label12 = new TQLabel(i18n("Alpha Channel:"), gbox);
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label12->setAlignment(TQt::AlignLeft | TQt::AlignVCenter);
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d->labelAlphaChannel = new TQLabel(gbox);
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d->labelAlphaChannel->setAlignment(TQt::AlignRight | TQt::AlignVCenter);
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topLayout->addMultiCellWidget(label1, 1, 1, 0, 0);
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topLayout->addMultiCellWidget(d->channelCB, 1, 1, 1, 1);
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topLayout->addMultiCellWidget(d->scaleBG, 1, 1, 3, 3);
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topLayout->addMultiCellWidget(label10, 2, 2, 0, 0);
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topLayout->addMultiCellWidget(d->colorsCB, 2, 2, 1, 1);
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topLayout->addMultiCellWidget(d->regionBG, 2, 2, 3, 3);
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topLayout->addMultiCellWidget(histoBox, 3, 4, 0, 3);
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topLayout->addMultiCellLayout(hlay2, 5, 5, 0, 3);
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topLayout->addMultiCellWidget(gbox, 6, 6, 0, 3);
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topLayout->setColStretch(2, 10);
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topLayout->setRowStretch(7, 10);
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d->tab->insertTab(sv, i18n("Histogram"), ImagePropertiesColorsTabPriv::HISTOGRAM );
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// ICC Profiles tab area ---------------------------------------
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TQScrollView *sv2 = new TQScrollView(d->tab);
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sv2->viewport()->setBackgroundMode(TQt::PaletteBackground);
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sv2->setResizePolicy(TQScrollView::AutoOneFit);
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sv2->setFrameStyle(TQFrame::NoFrame);
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d->iccProfileWidget = new ICCProfileWidget(sv2->viewport());
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sv2->addChild(d->iccProfileWidget);
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d->tab->insertTab(sv2, i18n("ICC profile"), ImagePropertiesColorsTabPriv::ICCPROFILE);
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// -------------------------------------------------------------
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connect(d->channelCB, TQT_SIGNAL(activated(int)),
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this, TQT_SLOT(slotChannelChanged(int)));
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connect(d->scaleBG, TQT_SIGNAL(released(int)),
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this, TQT_SLOT(slotScaleChanged(int)));
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connect(d->colorsCB, TQT_SIGNAL(activated(int)),
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this, TQT_SLOT(slotColorsChanged(int)));
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connect(d->regionBG, TQT_SIGNAL(released(int)),
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this, TQT_SLOT(slotRenderingChanged(int)));
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connect(d->histogramWidget, TQT_SIGNAL(signalIntervalChanged( int, int )),
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this, TQT_SLOT(slotUpdateInterval(int, int)));
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connect(d->histogramWidget, TQT_SIGNAL(signalMaximumValueChanged( int )),
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this, TQT_SLOT(slotUpdateIntervRange(int)));
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connect(d->histogramWidget, TQT_SIGNAL(signalHistogramComputationDone(bool)),
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this, TQT_SLOT(slotRefreshOptions(bool)));
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connect(d->histogramWidget, TQT_SIGNAL(signalHistogramComputationFailed(void)),
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this, TQT_SLOT(slotHistogramComputationFailed(void)));
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connect(d->minInterv, TQT_SIGNAL(valueChanged (int)),
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this, TQT_SLOT(slotMinValueChanged(int)));
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connect(d->maxInterv, TQT_SIGNAL(valueChanged (int)),
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this, TQT_SLOT(slotMaxValueChanged(int)));
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// -- read config ---------------------------------------------------------
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TDEConfig* config = kapp->config();
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config->setGroup("Image Properties SideBar");
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d->tab->setCurrentPage(config->readNumEntry("ImagePropertiesColors Tab",
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ImagePropertiesColorsTabPriv::HISTOGRAM));
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d->iccProfileWidget->setMode(config->readNumEntry("ICC Level", ICCProfileWidget::SIMPLE));
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d->iccProfileWidget->setCurrentItemByKey(config->readEntry("Current ICC Item", TQString()));
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d->channelCB->setCurrentItem(config->readNumEntry("Histogram Channel", 0)); // Luminosity.
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d->scaleBG->setButton(config->readNumEntry("Histogram Scale", HistogramWidget::LogScaleHistogram));
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d->colorsCB->setCurrentItem(config->readNumEntry("Histogram Color", 0)); // Red.
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d->regionBG->setButton(config->readNumEntry("Histogram Rendering", HistogramWidget::FullImageHistogram));
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}
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ImagePropertiesColorsTab::~ImagePropertiesColorsTab()
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{
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// If there is a currently histogram computation when dialog is closed,
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// stop it before the d->image data are deleted automatically!
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d->histogramWidget->stopHistogramComputation();
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TDEConfig* config = kapp->config();
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config->setGroup("Image Properties SideBar");
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config->writeEntry("ImagePropertiesColors Tab", d->tab->currentPageIndex());
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config->writeEntry("Histogram Channel", d->channelCB->currentItem());
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config->writeEntry("Histogram Scale", d->scaleBG->selectedId());
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config->writeEntry("Histogram Color", d->colorsCB->currentItem());
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config->writeEntry("Histogram Rendering", d->regionBG->selectedId());
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config->writeEntry("ICC Level", d->iccProfileWidget->getMode());
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config->writeEntry("Current ICC Item", d->iccProfileWidget->getCurrentItemKey());
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config->sync();
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if (d->imageLoaderThread)
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delete d->imageLoaderThread;
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if (d->histogramWidget)
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delete d->histogramWidget;
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if (d->hGradient)
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delete d->hGradient;
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delete d;
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}
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void ImagePropertiesColorsTab::setData(const KURL& url, const TQRect &selectionArea,
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DImg *img)
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{
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// We might be getting duplicate events from AlbumIconView,
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// which will cause all sorts of duplicate work.
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// More importantly, while the loading thread can handle this pretty well,
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|
// this will completely mess up the timing of progress info in the histogram widget.
|
|
// So filter here, before the stopHistogramComputation!
|
|
if (!img && url.path() == d->currentFilePath && d->inLoadingProcess)
|
|
return;
|
|
|
|
// This is necessary to stop computation because d->image.bits() is currently used by
|
|
// threaded histogram algorithm.
|
|
d->histogramWidget->stopHistogramComputation();
|
|
|
|
d->currentFilePath = TQString();
|
|
d->currentLoadingDescription = LoadingDescription();
|
|
d->iccProfileWidget->loadFromURL(KURL());
|
|
|
|
// Clear information.
|
|
d->labelMeanValue->clear();
|
|
d->labelPixelsValue->clear();
|
|
d->labelStdDevValue->clear();
|
|
d->labelCountValue->clear();
|
|
d->labelMedianValue->clear();
|
|
d->labelPercentileValue->clear();
|
|
d->labelColorDepth->clear();
|
|
d->labelAlphaChannel->clear();
|
|
|
|
if (url.isEmpty())
|
|
{
|
|
setEnabled(false);
|
|
return;
|
|
}
|
|
|
|
d->selectionArea = selectionArea;
|
|
d->image.reset();
|
|
setEnabled(true);
|
|
|
|
if (!img)
|
|
{
|
|
loadImageFromUrl(url);
|
|
}
|
|
else
|
|
{
|
|
d->image = img->copy();
|
|
|
|
if ( !d->image.isNull() )
|
|
{
|
|
getICCData();
|
|
|
|
// If a selection area is done in Image Editor and if the current image is the same
|
|
// in Image Editor, then compute too the histogram for this selection.
|
|
if (d->selectionArea.isValid())
|
|
{
|
|
d->imageSelection = d->image.copy(d->selectionArea);
|
|
d->histogramWidget->updateData(d->image.bits(), d->image.width(), d->image.height(),
|
|
d->image.sixteenBit(), d->imageSelection.bits(),
|
|
d->imageSelection.width(), d->imageSelection.height());
|
|
d->regionBG->show();
|
|
updateInformations();
|
|
}
|
|
else
|
|
{
|
|
d->histogramWidget->updateData(d->image.bits(), d->image.width(),
|
|
d->image.height(), d->image.sixteenBit());
|
|
d->regionBG->hide();
|
|
updateInformations();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
d->histogramWidget->setLoadingFailed();
|
|
d->iccProfileWidget->setLoadingFailed();
|
|
slotHistogramComputationFailed();
|
|
}
|
|
}
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::loadImageFromUrl(const KURL& url)
|
|
{
|
|
// create thread on demand
|
|
if (!d->imageLoaderThread)
|
|
{
|
|
d->imageLoaderThread = new SharedLoadSaveThread();
|
|
|
|
connect(d->imageLoaderThread, TQT_SIGNAL(signalImageLoaded(const LoadingDescription &, const DImg&)),
|
|
this, TQT_SLOT(slotLoadImageFromUrlComplete(const LoadingDescription &, const DImg&)));
|
|
|
|
connect(d->imageLoaderThread, TQT_SIGNAL(signalMoreCompleteLoadingAvailable(const LoadingDescription &, const LoadingDescription &)),
|
|
this, TQT_SLOT(slotMoreCompleteLoadingAvailable(const LoadingDescription &, const LoadingDescription &)));
|
|
}
|
|
|
|
LoadingDescription desc = LoadingDescription(url.path());
|
|
|
|
if (DImg::fileFormat(desc.filePath) == DImg::RAW)
|
|
{
|
|
// use raw settings optimized for speed
|
|
|
|
DRawDecoding rawDecodingSettings = DRawDecoding();
|
|
rawDecodingSettings.optimizeTimeLoading();
|
|
desc = LoadingDescription(desc.filePath, rawDecodingSettings);
|
|
}
|
|
|
|
if (d->currentLoadingDescription.equalsOrBetterThan(desc))
|
|
return;
|
|
|
|
d->currentFilePath = desc.filePath;
|
|
d->currentLoadingDescription = desc;
|
|
d->inLoadingProcess = true;
|
|
|
|
d->imageLoaderThread->load(d->currentLoadingDescription,
|
|
SharedLoadSaveThread::AccessModeRead,
|
|
SharedLoadSaveThread::LoadingPolicyFirstRemovePrevious);
|
|
|
|
d->histogramWidget->setDataLoading();
|
|
d->iccProfileWidget->setDataLoading();
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::slotLoadImageFromUrlComplete(const LoadingDescription &loadingDescription, const DImg& img)
|
|
{
|
|
// Discard any leftover messages from previous, possibly aborted loads
|
|
if ( !loadingDescription.equalsOrBetterThan(d->currentLoadingDescription) )
|
|
return;
|
|
|
|
if ( !img.isNull() )
|
|
{
|
|
d->histogramWidget->updateData(img.bits(), img.width(), img.height(), img.sixteenBit());
|
|
|
|
// As a safety precaution, this must be changed only after updateData is called,
|
|
// which stops computation because d->image.bits() is currently used by threaded histogram algorithm.
|
|
d->image = img;
|
|
d->regionBG->hide();
|
|
updateInformations();
|
|
getICCData();
|
|
}
|
|
else
|
|
{
|
|
d->histogramWidget->setLoadingFailed();
|
|
d->iccProfileWidget->setLoadingFailed();
|
|
slotHistogramComputationFailed();
|
|
}
|
|
d->inLoadingProcess = false;
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::slotMoreCompleteLoadingAvailable(const LoadingDescription &oldLoadingDescription,
|
|
const LoadingDescription &newLoadingDescription)
|
|
{
|
|
if (oldLoadingDescription == d->currentLoadingDescription &&
|
|
newLoadingDescription.equalsOrBetterThan(d->currentLoadingDescription))
|
|
{
|
|
// Yes, we do want to stop our old time-optimized loading and chain to the current, more complete loading.
|
|
// Even the time-optimized raw loading takes significant time, and we must avoid two dcraw instances running
|
|
// at a time.
|
|
d->currentLoadingDescription = newLoadingDescription;
|
|
d->inLoadingProcess = true;
|
|
d->imageLoaderThread->load(newLoadingDescription,
|
|
SharedLoadSaveThread::AccessModeRead,
|
|
SharedLoadSaveThread::LoadingPolicyFirstRemovePrevious);
|
|
}
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::setSelection(const TQRect &selectionArea)
|
|
{
|
|
// This is necessary to stop computation because d->image.bits() is currently used by
|
|
// threaded histogram algorithm.
|
|
|
|
d->histogramWidget->stopHistogramComputation();
|
|
d->selectionArea = selectionArea;
|
|
|
|
if (d->selectionArea.isValid())
|
|
{
|
|
d->imageSelection = d->image.copy(d->selectionArea);
|
|
d->histogramWidget->updateSelectionData(d->imageSelection.bits(), d->imageSelection.width(),
|
|
d->imageSelection.height(), d->imageSelection.sixteenBit());
|
|
d->regionBG->show();
|
|
}
|
|
else
|
|
{
|
|
d->regionBG->hide();
|
|
slotRenderingChanged(HistogramWidget::FullImageHistogram);
|
|
}
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::slotRefreshOptions(bool /*sixteenBit*/)
|
|
{
|
|
slotChannelChanged(d->channelCB->currentItem());
|
|
slotScaleChanged(d->scaleBG->selectedId());
|
|
slotColorsChanged(d->colorsCB->currentItem());
|
|
|
|
if (d->selectionArea.isValid())
|
|
slotRenderingChanged(d->regionBG->selectedId());
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::slotHistogramComputationFailed()
|
|
{
|
|
d->imageSelection.reset();
|
|
d->image.reset();
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::slotChannelChanged(int channel)
|
|
{
|
|
switch(channel)
|
|
{
|
|
case RedChannel:
|
|
d->histogramWidget->m_channelType = HistogramWidget::RedChannelHistogram;
|
|
d->hGradient->setColors( TQColor( "black" ), TQColor( "red" ) );
|
|
d->colorsCB->setEnabled(false);
|
|
break;
|
|
|
|
case GreenChannel:
|
|
d->histogramWidget->m_channelType = HistogramWidget::GreenChannelHistogram;
|
|
d->hGradient->setColors( TQColor( "black" ), TQColor( "green" ) );
|
|
d->colorsCB->setEnabled(false);
|
|
break;
|
|
|
|
case BlueChannel:
|
|
d->histogramWidget->m_channelType = HistogramWidget::BlueChannelHistogram;
|
|
d->hGradient->setColors( TQColor( "black" ), TQColor( "blue" ) );
|
|
d->colorsCB->setEnabled(false);
|
|
break;
|
|
|
|
case AlphaChannel:
|
|
d->histogramWidget->m_channelType = HistogramWidget::AlphaChannelHistogram;
|
|
d->hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
|
|
d->colorsCB->setEnabled(false);
|
|
break;
|
|
|
|
case ColorChannels:
|
|
d->histogramWidget->m_channelType = HistogramWidget::ColorChannelsHistogram;
|
|
d->hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
|
|
d->colorsCB->setEnabled(true);
|
|
break;
|
|
|
|
default: // Luminosity.
|
|
d->histogramWidget->m_channelType = HistogramWidget::ValueHistogram;
|
|
d->hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
|
|
d->colorsCB->setEnabled(false);
|
|
break;
|
|
}
|
|
|
|
d->histogramWidget->repaint(false);
|
|
updateStatistiques();
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::slotScaleChanged(int scale)
|
|
{
|
|
d->histogramWidget->m_scaleType = scale;
|
|
d->histogramWidget->repaint(false);
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::slotColorsChanged(int color)
|
|
{
|
|
switch(color)
|
|
{
|
|
case AllColorsGreen:
|
|
d->histogramWidget->m_colorType = HistogramWidget::GreenColor;
|
|
break;
|
|
|
|
case AllColorsBlue:
|
|
d->histogramWidget->m_colorType = HistogramWidget::BlueColor;
|
|
break;
|
|
|
|
default: // Red.
|
|
d->histogramWidget->m_colorType = HistogramWidget::RedColor;
|
|
break;
|
|
}
|
|
|
|
d->histogramWidget->repaint(false);
|
|
updateStatistiques();
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::slotRenderingChanged(int rendering)
|
|
{
|
|
d->histogramWidget->m_renderingType = rendering;
|
|
d->histogramWidget->repaint(false);
|
|
updateStatistiques();
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::slotMinValueChanged(int min)
|
|
{
|
|
// Called when user changes values of spin box.
|
|
// Communicate the change to histogram widget.
|
|
|
|
// make the one control "push" the other
|
|
if (min == d->maxInterv->value()+1)
|
|
d->maxInterv->setValue(min);
|
|
d->maxInterv->setMinValue(min-1);
|
|
d->histogramWidget->slotMinValueChanged(min);
|
|
updateStatistiques();
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::slotMaxValueChanged(int max)
|
|
{
|
|
if (max == d->minInterv->value()-1)
|
|
d->minInterv->setValue(max);
|
|
d->minInterv->setMaxValue(max+1);
|
|
d->histogramWidget->slotMaxValueChanged(max);
|
|
updateStatistiques();
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::slotUpdateInterval(int min, int max)
|
|
{
|
|
// Called when value is set from within histogram widget.
|
|
// Block signals to prevent slotMinValueChanged and
|
|
// slotMaxValueChanged being called.
|
|
d->minInterv->blockSignals(true);
|
|
d->minInterv->setMaxValue(max+1);
|
|
d->minInterv->setValue(min);
|
|
d->minInterv->blockSignals(false);
|
|
|
|
d->maxInterv->blockSignals(true);
|
|
d->maxInterv->setMinValue(min-1);
|
|
d->maxInterv->setValue(max);
|
|
d->maxInterv->blockSignals(false);
|
|
|
|
updateStatistiques();
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::slotUpdateIntervRange(int range)
|
|
{
|
|
d->maxInterv->setMaxValue( range );
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::updateInformations()
|
|
{
|
|
d->labelColorDepth->setText(d->image.sixteenBit() ? i18n("16 bits") : i18n("8 bits"));
|
|
d->labelAlphaChannel->setText(d->image.hasAlpha() ? i18n("Yes") : i18n("No"));
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::updateStatistiques()
|
|
{
|
|
TQString value;
|
|
int min = d->minInterv->value();
|
|
int max = d->maxInterv->value();
|
|
int channel = d->channelCB->currentItem();
|
|
|
|
if ( channel == HistogramWidget::ColorChannelsHistogram )
|
|
channel = d->colorsCB->currentItem()+1;
|
|
|
|
double mean = d->histogramWidget->m_imageHistogram->getMean(channel, min, max);
|
|
d->labelMeanValue->setText(value.setNum(mean, 'f', 1));
|
|
|
|
double pixels = d->histogramWidget->m_imageHistogram->getPixels();
|
|
d->labelPixelsValue->setText(value.setNum((float)pixels, 'f', 0));
|
|
|
|
double stddev = d->histogramWidget->m_imageHistogram->getStdDev(channel, min, max);
|
|
d->labelStdDevValue->setText(value.setNum(stddev, 'f', 1));
|
|
|
|
double counts = d->histogramWidget->m_imageHistogram->getCount(channel, min, max);
|
|
d->labelCountValue->setText(value.setNum((float)counts, 'f', 0));
|
|
|
|
double median = d->histogramWidget->m_imageHistogram->getMedian(channel, min, max);
|
|
d->labelMedianValue->setText(value.setNum(median, 'f', 1));
|
|
|
|
double percentile = (pixels > 0 ? (100.0 * counts / pixels) : 0.0);
|
|
d->labelPercentileValue->setText(value.setNum(percentile, 'f', 1));
|
|
}
|
|
|
|
void ImagePropertiesColorsTab::getICCData()
|
|
{
|
|
if (d->image.getICCProfil().isNull())
|
|
{
|
|
d->iccProfileWidget->setLoadingFailed();
|
|
}
|
|
else
|
|
{
|
|
d->embedded_profile = d->image.getICCProfil();
|
|
d->iccProfileWidget->loadFromData(d->currentFilePath, d->embedded_profile);
|
|
}
|
|
}
|
|
|
|
} // NameSpace Digikam
|
|
|