Rename 'digikam' folder to 'src'

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

1 files changed, 440 insertions, 0 deletions

diff --git a/src/imageplugins/coreplugin/rgbtool.cpp b/src/imageplugins/coreplugin/rgbtool.cpp
new file mode 100644
index 00000000..e27e396e
--- /dev/null
+++ b/src/imageplugins/coreplugin/rgbtool.cpp
@@ -0,0 +1,440 @@
+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2004-07-11
+ * Description : digiKam image editor Color Balance tool.
+ *
+ * Copyright (C) 2004-2008 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 <tqcheckbox.h>
+#include <tqcolor.h>
+#include <tqcombobox.h>
+#include <tqframe.h>
+#include <tqgroupbox.h>
+#include <tqhbuttongroup.h>
+#include <tqhgroupbox.h>
+#include <tqlabel.h>
+#include <tqlayout.h>
+#include <tqpushbutton.h>
+#include <tqslider.h>
+#include <tqtooltip.h>
+#include <tqvbox.h>
+#include <tqvgroupbox.h>
+#include <tqwhatsthis.h>
+
+// KDE includes.
+
+#include <tdeapplication.h>
+#include <tdeconfig.h>
+#include <kcursor.h>
+#include <kiconloader.h>
+#include <tdelocale.h>
+#include <kstandarddirs.h>
+
+// LibKDcraw includes.
+
+#include <libkdcraw/rnuminput.h>
+
+// Digikam includes.
+
+#include "colorgradientwidget.h"
+#include "colormodifier.h"
+#include "dimg.h"
+#include "editortoolsettings.h"
+#include "histogramwidget.h"
+#include "imageiface.h"
+#include "imagewidget.h"
+
+// Local includes.
+
+#include "rgbtool.h"
+#include "rgbtool.moc"
+
+using namespace KDcrawIface;
+using namespace Digikam;
+
+namespace DigikamImagesPluginCore
+{
+
+RGBTool::RGBTool(TQObject* parent)
+       : EditorTool(parent)
+{
+    setName("colorbalance");
+    setToolName(i18n("Color Balance"));
+    setToolIcon(SmallIcon("adjustrgb"));
+
+    m_destinationPreviewData = 0;
+
+    m_previewWidget = new ImageWidget("colorbalance Tool", 0,
+                                      i18n("<p>Here you can see the image "
+                                           "color-balance adjustments preview. "
+                                           "You can pick color on image "
+                                           "to see the color level corresponding on histogram."));
+    setToolView(m_previewWidget);
+
+    // -------------------------------------------------------------
+
+    m_gboxSettings = new EditorToolSettings(EditorToolSettings::Default|
+                                            EditorToolSettings::Ok|
+                                            EditorToolSettings::Cancel);
+
+    TQGridLayout* gridSettings = new TQGridLayout(m_gboxSettings->plainPage(), 7, 4);
+
+    TQLabel *label1 = new TQLabel(i18n("Channel:"), m_gboxSettings->plainPage());
+    label1->setAlignment(TQt::AlignRight | TQt::AlignVCenter);
+    m_channelCB = new TQComboBox(false, m_gboxSettings->plainPage());
+    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(m_gboxSettings->plainPage());
+    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, 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, 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(m_gboxSettings->plainPage());
+    m_histogramWidget = new 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 ColorGradientWidget(ColorGradientWidget::Horizontal, 10, histoBox);
+    m_hGradient->setColors(TQColor("black"), TQColor("white"));
+
+    gridSettings->addMultiCellWidget(histoBox, 1, 2, 0, 4);
+
+    // -------------------------------------------------------------
+
+    TQLabel *labelLeft = new TQLabel(i18n("Cyan"), m_gboxSettings->plainPage());
+    labelLeft->setAlignment ( TQt::AlignRight | TQt::AlignVCenter );
+    m_rSlider = new TQSlider(-100, 100, 1, 0, TQt::Horizontal, m_gboxSettings->plainPage(), "m_rSlider");
+    m_rSlider->setTickmarks(TQSlider::Below);
+    m_rSlider->setTickInterval(20);
+    TQWhatsThis::add( m_rSlider, i18n("<p>Set here the cyan/red color adjustment of the image."));
+    TQLabel *labelRight = new TQLabel(i18n("Red"), m_gboxSettings->plainPage());
+    labelRight->setAlignment ( TQt::AlignLeft | TQt::AlignVCenter );
+    m_rInput = new RIntNumInput(m_gboxSettings->plainPage());
+    m_rInput->setDefaultValue(0);
+    m_rInput->input()->setRange(-100, 100, 1, false);
+
+    gridSettings->addMultiCellWidget(labelLeft,     3, 3, 0, 0);
+    gridSettings->addMultiCellWidget(m_rSlider,     3, 3, 1, 1);
+    gridSettings->addMultiCellWidget(labelRight,    3, 3, 2, 2);
+    gridSettings->addMultiCellWidget(m_rInput,      3, 3, 3, 3);
+
+    // -------------------------------------------------------------
+
+    labelLeft = new TQLabel(i18n("Magenta"), m_gboxSettings->plainPage());
+    labelLeft->setAlignment(TQt::AlignRight | TQt::AlignVCenter);
+    m_gSlider = new TQSlider(-100, 100, 1, 0, TQt::Horizontal, m_gboxSettings->plainPage(), "m_gSlider");
+    m_gSlider->setTickmarks(TQSlider::Below);
+    m_gSlider->setTickInterval(20);
+    TQWhatsThis::add( m_gSlider, i18n("<p>Set here the magenta/green color adjustment of the image."));
+    labelRight = new TQLabel(i18n("Green"), m_gboxSettings->plainPage());
+    labelRight->setAlignment(TQt::AlignLeft | TQt::AlignVCenter);
+    m_gInput = new RIntNumInput(m_gboxSettings->plainPage());
+    m_gInput->setDefaultValue(0);
+    m_gInput->input()->setRange(-100, 100, 1, false);
+
+    gridSettings->addMultiCellWidget(labelLeft,     4, 4, 0, 0);
+    gridSettings->addMultiCellWidget(m_gSlider,     4, 4, 1, 1);
+    gridSettings->addMultiCellWidget(labelRight,    4, 4, 2, 2);
+    gridSettings->addMultiCellWidget(m_gInput,      4, 4, 3, 3);
+
+    // -------------------------------------------------------------
+
+    labelLeft = new TQLabel(i18n("Yellow"), m_gboxSettings->plainPage());
+    labelLeft->setAlignment ( TQt::AlignRight | TQt::AlignVCenter );
+    m_bSlider = new TQSlider(-100, 100, 1, 0, TQt::Horizontal, m_gboxSettings->plainPage(), "m_bSlider");
+    m_bSlider->setTickmarks(TQSlider::Below);
+    m_bSlider->setTickInterval(20);
+    TQWhatsThis::add( m_bSlider, i18n("<p>Set here the yellow/blue color adjustment of the image."));
+    labelRight = new TQLabel(i18n("Blue"), m_gboxSettings->plainPage());
+    labelRight->setAlignment(TQt::AlignLeft | TQt::AlignVCenter);
+    m_bInput = new RIntNumInput(m_gboxSettings->plainPage());
+    m_bInput->setDefaultValue(0);
+    m_bInput->input()->setRange(-100, 100, 1, false);
+
+    gridSettings->addMultiCellWidget(labelLeft,     5, 5, 0, 0);
+    gridSettings->addMultiCellWidget(m_bSlider,     5, 5, 1, 1);
+    gridSettings->addMultiCellWidget(labelRight,    5, 5, 2, 2);
+    gridSettings->addMultiCellWidget(m_bInput,      5, 5, 3, 3);
+
+    m_rInput->setValue(0);
+    m_gInput->setValue(0);
+    m_bInput->setValue(0);
+
+    gridSettings->setRowStretch(6, 10);
+    setToolSettings(m_gboxSettings);
+    init();
+
+    // -------------------------------------------------------------
+
+    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_rSlider, TQ_SIGNAL(valueChanged(int)),
+            m_rInput, TQ_SLOT(setValue(int)));
+    connect(m_rInput, TQ_SIGNAL(valueChanged (int)),
+            m_rSlider, TQ_SLOT(setValue(int)));
+    connect(m_rInput, TQ_SIGNAL(valueChanged (int)),
+            this, TQ_SLOT(slotTimer()));
+
+    connect(m_gSlider, TQ_SIGNAL(valueChanged(int)),
+            m_gInput, TQ_SLOT(setValue(int)));
+    connect(m_gInput, TQ_SIGNAL(valueChanged (int)),
+            m_gSlider, TQ_SLOT(setValue(int)));
+    connect(m_gInput, TQ_SIGNAL(valueChanged (int)),
+            this, TQ_SLOT(slotTimer()));
+
+    connect(m_bSlider, TQ_SIGNAL(valueChanged(int)),
+            m_bInput, TQ_SLOT(setValue(int)));
+    connect(m_bInput, TQ_SIGNAL(valueChanged (int)),
+            m_bSlider, TQ_SLOT(setValue(int)));
+    connect(m_bInput, TQ_SIGNAL(valueChanged (int)),
+            this, TQ_SLOT(slotTimer()));
+
+    connect(m_previewWidget, TQ_SIGNAL(signalResized()),
+            this, TQ_SLOT(slotEffect()));
+
+    // -------------------------------------------------------------
+
+    m_gboxSettings->enableButton(EditorToolSettings::Ok, false);
+}
+
+RGBTool::~RGBTool()
+{
+    if (m_destinationPreviewData)
+       delete [] m_destinationPreviewData;
+}
+
+void RGBTool::slotChannelChanged(int channel)
+{
+    switch (channel)
+    {
+        case LuminosityChannel:
+            m_histogramWidget->m_channelType = HistogramWidget::ValueHistogram;
+            m_hGradient->setColors(TQColor("black"), TQColor("white"));
+            break;
+
+        case RedChannel:
+            m_histogramWidget->m_channelType = HistogramWidget::RedChannelHistogram;
+            m_hGradient->setColors(TQColor("black"), TQColor("red"));
+            break;
+
+        case GreenChannel:
+            m_histogramWidget->m_channelType = HistogramWidget::GreenChannelHistogram;
+            m_hGradient->setColors(TQColor("black"), TQColor("green"));
+            break;
+
+        case BlueChannel:
+            m_histogramWidget->m_channelType = HistogramWidget::BlueChannelHistogram;
+            m_hGradient->setColors(TQColor("black"), TQColor("blue"));
+            break;
+    }
+
+    m_histogramWidget->repaint(false);
+}
+
+void RGBTool::slotScaleChanged(int scale)
+{
+    m_histogramWidget->m_scaleType = scale;
+    m_histogramWidget->repaint(false);
+}
+
+void RGBTool::slotColorSelectedFromTarget(const DColor &color)
+{
+    m_histogramWidget->setHistogramGuideByColor(color);
+}
+
+void RGBTool::readSettings()
+{
+    TDEConfig* config = kapp->config();
+    config->setGroup("colorbalance Tool");
+    m_channelCB->setCurrentItem(config->readNumEntry("Histogram Channel", 0));    // Luminosity.
+    m_scaleBG->setButton(config->readNumEntry("Histogram Scale", HistogramWidget::LogScaleHistogram));
+    int r = config->readNumEntry("RedAjustment", m_rInput->defaultValue());
+    int g = config->readNumEntry("GreenAjustment", m_gInput->defaultValue());
+    int b = config->readNumEntry("BlueAjustment", m_bInput->defaultValue());
+    adjustSliders(r, g, b);
+    m_histogramWidget->reset();
+    slotChannelChanged(m_channelCB->currentItem());
+    slotScaleChanged(m_scaleBG->selectedId());
+}
+
+void RGBTool::writeSettings()
+{
+    TDEConfig* config = kapp->config();
+    config->setGroup("colorbalance Tool");
+    config->writeEntry("Histogram Channel", m_channelCB->currentItem());
+    config->writeEntry("Histogram Scale", m_scaleBG->selectedId());
+    config->writeEntry("RedAjustment", m_rSlider->value());
+    config->writeEntry("GreenAjustment", m_gInput->value());
+    config->writeEntry("BlueAjustment", m_bInput->value());
+    m_previewWidget->writeSettings();
+    config->sync();
+}
+
+void RGBTool::slotResetSettings()
+{
+    int r = m_rInput->defaultValue();
+    int g = m_gInput->defaultValue();
+    int b = m_bInput->defaultValue();
+
+    adjustSliders(r, g, b);
+}
+
+void RGBTool::adjustSliders(int r, int g, int b)
+{
+    m_rSlider->blockSignals(true);
+    m_gSlider->blockSignals(true);
+    m_bSlider->blockSignals(true);
+    m_rInput->blockSignals(true);
+    m_gInput->blockSignals(true);
+    m_bInput->blockSignals(true);
+
+    m_rSlider->setValue(r);
+    m_gSlider->setValue(g);
+    m_bSlider->setValue(b);
+    m_rInput->setValue(r);
+    m_gInput->setValue(g);
+    m_bInput->setValue(b);
+
+    m_rSlider->blockSignals(false);
+    m_gSlider->blockSignals(false);
+    m_bSlider->blockSignals(false);
+    m_rInput->blockSignals(false);
+    m_gInput->blockSignals(false);
+    m_bInput->blockSignals(false);
+
+    slotEffect();
+}
+
+void RGBTool::slotEffect()
+{
+    kapp->setOverrideCursor( KCursor::waitCursor() );
+
+    m_gboxSettings->enableButton(EditorToolSettings::Ok,
+                                 (m_rInput->value() != 0 ||
+                                  m_gInput->value() != 0 ||
+                                  m_bInput->value() != 0));
+
+    m_histogramWidget->stopHistogramComputation();
+
+    if (m_destinationPreviewData)
+       delete [] m_destinationPreviewData;
+
+    ImageIface* iface = m_previewWidget->imageIface();
+    m_destinationPreviewData   = iface->getPreviewImage();
+    int w                      = iface->previewWidth();
+    int h                      = iface->previewHeight();
+    bool alpha                 = iface->previewHasAlpha();
+    bool sixteenBit            = iface->previewSixteenBit();
+
+    double r = ((double) m_rInput->value() + 100.0) / 100.0;
+    double g = ((double) m_gInput->value() + 100.0) / 100.0;
+    double b = ((double) m_bInput->value() + 100.0) / 100.0;
+    double a = 1.0;
+
+    DImg preview(w, h, sixteenBit, alpha, m_destinationPreviewData);
+    ColorModifier cmod;
+    cmod.applyColorModifier(preview, r, g, b, a);
+    iface->putPreviewImage(preview.bits());
+
+    m_previewWidget->updatePreview();
+
+    // Update histogram.
+
+    memcpy(m_destinationPreviewData, preview.bits(), preview.numBytes());
+    m_histogramWidget->updateData(m_destinationPreviewData, w, h, sixteenBit, 0, 0, 0, false);
+
+    kapp->restoreOverrideCursor();
+}
+
+void RGBTool::finalRendering()
+{
+    kapp->setOverrideCursor( KCursor::waitCursor() );
+
+    double r = ((double) m_rInput->value() + 100.0) / 100.0;
+    double g = ((double) m_gInput->value() + 100.0) / 100.0;
+    double b = ((double) m_bInput->value() + 100.0) / 100.0;
+    double a = 1.0;
+
+    ImageIface* iface = m_previewWidget->imageIface();
+    uchar *data                = iface->getOriginalImage();
+    int w                      = iface->originalWidth();
+    int h                      = iface->originalHeight();
+    bool alpha                 = iface->originalHasAlpha();
+    bool sixteenBit            = iface->originalSixteenBit();
+    DImg original(w, h, sixteenBit, alpha, data);
+    delete [] data;
+
+    ColorModifier cmod;
+    cmod.applyColorModifier(original, r, g, b, a);
+
+    iface->putOriginalImage(i18n("Color Balance"), original.bits());
+    kapp->restoreOverrideCursor();
+}
+
+}  // NameSpace DigikamImagesPluginCore
+