Rename 'digikam' folder to 'src'

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

1 files changed, 350 insertions, 0 deletions

diff --git a/src/imageplugins/coreplugin/imageeffect_bcg.cpp b/src/imageplugins/coreplugin/imageeffect_bcg.cpp
new file mode 100644
index 00000000..9d21115d
--- /dev/null
+++ b/src/imageplugins/coreplugin/imageeffect_bcg.cpp
@@ -0,0 +1,350 @@
+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2004-06-05
+ * Description : digiKam image editor to adjust Brightness, 
+                 Contrast, and Gamma of picture.
+ *
+ * Copyright (C) 2004 by Renchi Raju <renchi@pooh.tam.uiuc.edu>
+ * Copyright (C) 2005-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
+ *
+ * This program is free software; you can redistribute it
+ * and/or modify it under the terms of the GNU General
+ * Public License as published by the Free Software Foundation;
+ * either version 2, or (at your option)
+ * any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * ============================================================ */
+
+// TQt includes.
+ 
+#include <tqcolor.h>
+#include <tqgroupbox.h>
+#include <tqhgroupbox.h>
+#include <tqvgroupbox.h>
+#include <tqhbuttongroup.h> 
+#include <tqlabel.h>
+#include <tqvbox.h>
+#include <tqlayout.h>
+#include <tqframe.h>
+#include <tqlabel.h>
+#include <tqpushbutton.h>
+#include <tqcheckbox.h>
+#include <tqcombobox.h>
+#include <tqwhatsthis.h>
+#include <tqtooltip.h>
+
+// KDE includes.
+
+#include <knuminput.h>
+#include <tdelocale.h>
+#include <tdeapplication.h>
+#include <tdeconfig.h>
+#include <kcursor.h>
+#include <kstandarddirs.h>
+
+// Digikam includes.
+
+#include "imageiface.h"
+#include "imagewidget.h"
+#include "histogramwidget.h"
+#include "colorgradientwidget.h"
+#include "bcgmodifier.h"
+#include "dimg.h"
+
+// Local includes.
+
+#include "imageeffect_bcg.h"
+#include "imageeffect_bcg.moc"
+
+namespace DigikamImagesPluginCore
+{
+
+ImageEffect_BCG::ImageEffect_BCG(TQWidget* parent)
+               : Digikam::ImageDlgBase(parent, i18n("Brightness Contrast Gamma Adjustments"), 
+                                       "bcgadjust", false)
+{
+    m_destinationPreviewData = 0L;
+    setHelp("bcgadjusttool.anchor", "digikam");
+
+    m_previewWidget = new Digikam::ImageWidget("bcgadjust Tool Dialog", plainPage(),
+                                               i18n("<p>Here you can see the image "
+                                               "brightness-contrast-gamma adjustments preview. "
+                                               "You can pick color on image "
+                                               "to see the color level corresponding on histogram."));
+    setPreviewAreaWidget(m_previewWidget); 
+
+    // -------------------------------------------------------------
+                
+    TQWidget *gboxSettings     = new TQWidget(plainPage());
+    TQGridLayout* gridSettings = new TQGridLayout( gboxSettings, 9, 4, spacingHint());
+
+    TQLabel *label1 = new TQLabel(i18n("Channel:"), gboxSettings);
+    label1->setAlignment ( TQt::AlignRight | TQt::AlignVCenter );
+    m_channelCB = new TQComboBox( false, gboxSettings );
+    m_channelCB->insertItem( i18n("Luminosity") );
+    m_channelCB->insertItem( i18n("Red") );
+    m_channelCB->insertItem( i18n("Green") );
+    m_channelCB->insertItem( i18n("Blue") );
+    TQWhatsThis::add( m_channelCB, i18n("<p>Select the histogram channel to display here:<p>"
+                                       "<b>Luminosity</b>: display the image's luminosity values.<p>"
+                                       "<b>Red</b>: display the red image-channel values.<p>"
+                                       "<b>Green</b>: display the green image-channel values.<p>"
+                                       "<b>Blue</b>: display the blue image-channel values.<p>"));
+
+    m_scaleBG = new TQHButtonGroup(gboxSettings);
+    m_scaleBG->setExclusive(true);
+    m_scaleBG->setFrameShape(TQFrame::NoFrame);
+    m_scaleBG->setInsideMargin( 0 );
+    TQWhatsThis::add( m_scaleBG, i18n("<p>Select the histogram scale here.<p>"
+                                     "If the image's maximal counts are small, you can use the linear scale.<p>"
+                                     "Logarithmic scale can be used when the maximal counts are big; "
+                                     "if it is used, all values (small and large) will be visible on the graph."));
+    
+    TQPushButton *linHistoButton = new TQPushButton( m_scaleBG );
+    TQToolTip::add( linHistoButton, i18n( "<p>Linear" ) );
+    m_scaleBG->insert(linHistoButton, Digikam::HistogramWidget::LinScaleHistogram);
+    TDEGlobal::dirs()->addResourceType("histogram-lin", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
+    TQString directory = TDEGlobal::dirs()->findResourceDir("histogram-lin", "histogram-lin.png");
+    linHistoButton->setPixmap( TQPixmap( directory + "histogram-lin.png" ) );
+    linHistoButton->setToggleButton(true);
+    
+    TQPushButton *logHistoButton = new TQPushButton( m_scaleBG );
+    TQToolTip::add( logHistoButton, i18n( "<p>Logarithmic" ) );
+    m_scaleBG->insert(logHistoButton, Digikam::HistogramWidget::LogScaleHistogram);
+    TDEGlobal::dirs()->addResourceType("histogram-log", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
+    directory = TDEGlobal::dirs()->findResourceDir("histogram-log", "histogram-log.png");
+    logHistoButton->setPixmap( TQPixmap( directory + "histogram-log.png" ) );
+    logHistoButton->setToggleButton(true);       
+
+    TQHBoxLayout* l1 = new TQHBoxLayout();
+    l1->addWidget(label1);
+    l1->addWidget(m_channelCB);
+    l1->addStretch(10);
+    l1->addWidget(m_scaleBG);
+    
+    gridSettings->addMultiCellLayout(l1, 0, 0, 0, 4);
+
+    // -------------------------------------------------------------
+
+    TQVBox *histoBox   = new TQVBox(gboxSettings);
+    m_histogramWidget = new Digikam::HistogramWidget(256, 140, histoBox, false, true, true);
+    TQWhatsThis::add( m_histogramWidget, i18n("<p>Here you can see the target preview image histogram drawing "
+                                             "of the selected image channel. This one is re-computed at any "
+                                             "settings changes."));
+    TQLabel *space = new TQLabel(histoBox);
+    space->setFixedHeight(1);
+    m_hGradient = new Digikam::ColorGradientWidget( Digikam::ColorGradientWidget::Horizontal, 10, histoBox );
+    m_hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
+    
+    gridSettings->addMultiCellWidget(histoBox, 1, 2, 0, 4);
+
+    // -------------------------------------------------------------
+
+    TQLabel *label2 = new TQLabel(i18n("Brightness:"), gboxSettings);
+    m_bInput       = new KIntNumInput(gboxSettings);
+    m_bInput->setRange(-100, 100, 1, true);
+    m_bInput->setValue(0);
+    TQWhatsThis::add( m_bInput, i18n("<p>Set here the brightness adjustment of the image."));
+    gridSettings->addMultiCellWidget(label2, 3, 3, 0, 4);
+    gridSettings->addMultiCellWidget(m_bInput, 4, 4, 0, 4);
+
+    TQLabel *label3 = new TQLabel(i18n("Contrast:"), gboxSettings);
+    m_cInput       = new KIntNumInput(gboxSettings);
+    m_cInput->setRange(-100, 100, 1, true);
+    m_cInput->setValue(0);
+    TQWhatsThis::add( m_cInput, i18n("<p>Set here the contrast adjustment of the image."));
+    gridSettings->addMultiCellWidget(label3, 5, 5, 0, 4);
+    gridSettings->addMultiCellWidget(m_cInput, 6, 6, 0, 4);
+
+    TQLabel *label4 = new TQLabel(i18n("Gamma:"), gboxSettings);
+    m_gInput = new KDoubleNumInput(gboxSettings);
+    m_gInput->setPrecision(2);
+    m_gInput->setRange(0.1, 3.0, 0.01, true);
+    m_gInput->setValue(1.0);
+    TQWhatsThis::add( m_gInput, i18n("<p>Set here the gamma adjustment of the image."));
+    gridSettings->addMultiCellWidget(label4, 7, 7, 0, 4);
+    gridSettings->addMultiCellWidget(m_gInput, 8, 8, 0, 4);
+
+    gridSettings->setRowStretch(9, 10);    
+    setUserAreaWidget(gboxSettings);
+    
+    // -------------------------------------------------------------
+
+    connect(m_channelCB, TQ_SIGNAL(activated(int)),
+            this, TQ_SLOT(slotChannelChanged(int)));
+
+    connect(m_scaleBG, TQ_SIGNAL(released(int)),
+            this, TQ_SLOT(slotScaleChanged(int)));
+
+    connect(m_previewWidget, TQ_SIGNAL(spotPositionChangedFromTarget( const Digikam::DColor &, const TQPoint & )),
+            this, TQ_SLOT(slotColorSelectedFromTarget( const Digikam::DColor & )));
+
+    connect(m_bInput, TQ_SIGNAL(valueChanged(int)),
+            this, TQ_SLOT(slotTimer()));                        
+            
+    connect(m_cInput, TQ_SIGNAL(valueChanged(int)),
+            this, TQ_SLOT(slotTimer()));                        
+            
+    connect(m_gInput, TQ_SIGNAL(valueChanged(double)),
+            this, TQ_SLOT(slotTimer()));                        
+
+    connect(m_previewWidget, TQ_SIGNAL(signalResized()),
+            this, TQ_SLOT(slotEffect()));    
+            
+    // -------------------------------------------------------------
+                
+    enableButtonOK( false );
+}
+
+ImageEffect_BCG::~ImageEffect_BCG()
+{
+    m_histogramWidget->stopHistogramComputation();
+
+    if (m_destinationPreviewData) 
+       delete [] m_destinationPreviewData;
+       
+    delete m_histogramWidget;
+    delete m_previewWidget;
+}
+
+void ImageEffect_BCG::slotChannelChanged(int channel)
+{
+    switch(channel)
+    {
+        case LuminosityChannel:
+            m_histogramWidget->m_channelType = Digikam::HistogramWidget::ValueHistogram;
+            m_hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
+            break;
+    
+        case RedChannel:
+            m_histogramWidget->m_channelType = Digikam::HistogramWidget::RedChannelHistogram;
+            m_hGradient->setColors( TQColor( "black" ), TQColor( "red" ) );
+            break;
+    
+        case GreenChannel:         
+            m_histogramWidget->m_channelType = Digikam::HistogramWidget::GreenChannelHistogram;
+            m_hGradient->setColors( TQColor( "black" ), TQColor( "green" ) );
+            break;
+    
+        case BlueChannel:         
+            m_histogramWidget->m_channelType = Digikam::HistogramWidget::BlueChannelHistogram;
+            m_hGradient->setColors( TQColor( "black" ), TQColor( "blue" ) );
+            break;
+    }
+
+    m_histogramWidget->repaint(false);
+}
+
+void ImageEffect_BCG::slotScaleChanged(int scale)
+{
+    m_histogramWidget->m_scaleType = scale;
+    m_histogramWidget->repaint(false);
+}
+
+void ImageEffect_BCG::slotColorSelectedFromTarget( const Digikam::DColor &color )
+{
+    m_histogramWidget->setHistogramGuideByColor(color);
+}
+
+void ImageEffect_BCG::readUserSettings()
+{
+    TDEConfig* config = kapp->config();
+    config->setGroup("bcgadjust Tool Dialog");
+    m_channelCB->setCurrentItem(config->readNumEntry("Histogram Channel", 0));    // Luminosity.
+    m_scaleBG->setButton(config->readNumEntry("Histogram Scale", Digikam::HistogramWidget::LogScaleHistogram));
+    m_bInput->setValue(config->readNumEntry("BrightnessAjustment", 0));
+    m_cInput->setValue(config->readNumEntry("ContrastAjustment", 0));
+    m_gInput->setValue(config->readDoubleNumEntry("GammaAjustment", 1.0));
+    slotChannelChanged(m_channelCB->currentItem());
+    slotScaleChanged(m_scaleBG->selectedId());
+}
+
+void ImageEffect_BCG::writeUserSettings()
+{
+    TDEConfig* config = kapp->config();
+    config->setGroup("bcgadjust Tool Dialog");
+    config->writeEntry("Histogram Channel", m_channelCB->currentItem());
+    config->writeEntry("Histogram Scale", m_scaleBG->selectedId());
+    config->writeEntry("BrightnessAjustment", m_bInput->value());
+    config->writeEntry("ContrastAjustment", m_cInput->value());
+    config->writeEntry("GammaAjustment", m_gInput->value());
+    config->sync();
+}
+
+void ImageEffect_BCG::resetValues()
+{
+    m_bInput->blockSignals(true);	
+    m_cInput->blockSignals(true);	
+    m_gInput->blockSignals(true);	
+    m_bInput->setValue(0);
+    m_cInput->setValue(0);
+    m_gInput->setValue(1.0);
+    m_bInput->blockSignals(false);	
+    m_cInput->blockSignals(false);	
+    m_gInput->blockSignals(false);	
+} 
+
+void ImageEffect_BCG::slotEffect()
+{
+    kapp->setOverrideCursor( KCursor::waitCursor() );
+
+    double b = (double)m_bInput->value()/250.0;
+    double c = (double)(m_cInput->value()/100.0) + 1.00;    
+    double g = m_gInput->value();
+
+    enableButtonOK( b != 0.0 || c != 1.0 || g != 1.0 );
+    
+    m_histogramWidget->stopHistogramComputation();
+
+    if (m_destinationPreviewData) 
+       delete [] m_destinationPreviewData;
+
+    Digikam::ImageIface* iface = m_previewWidget->imageIface();
+    m_destinationPreviewData   = iface->getPreviewImage();
+    int w                      = iface->previewWidth();
+    int h                      = iface->previewHeight();
+    bool a                     = iface->previewHasAlpha();
+    bool sb                    = iface->previewSixteenBit();
+
+    Digikam::DImg preview(w, h, sb, a, m_destinationPreviewData);
+    Digikam::BCGModifier cmod;
+    cmod.setGamma(g);
+    cmod.setBrightness(b);
+    cmod.setContrast(c);
+    cmod.applyBCG(preview);
+    iface->putPreviewImage(preview.bits());
+
+    m_previewWidget->updatePreview();
+
+    // Update histogram.
+   
+    memcpy(m_destinationPreviewData, preview.bits(), preview.numBytes());
+    m_histogramWidget->updateData(m_destinationPreviewData, w, h, sb, 0, 0, 0, false);
+
+    kapp->restoreOverrideCursor();
+}
+
+void ImageEffect_BCG::finalRendering()
+{
+    kapp->setOverrideCursor( KCursor::waitCursor() );
+    Digikam::ImageIface* iface = m_previewWidget->imageIface();
+
+    double b = (double)m_bInput->value()/250.0;
+    double c = (double)(m_cInput->value()/100.0) + 1.00;    
+    double g = m_gInput->value();
+
+    iface->setOriginalBCG(b, c, g);
+    kapp->restoreOverrideCursor();
+    accept();
+}
+
+}  // NameSpace DigikamImagesPluginCore
+