You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
441 lines
17 KiB
441 lines
17 KiB
/* ============================================================
|
|
*
|
|
* 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 <kapplication.h>
|
|
#include <tdeconfig.h>
|
|
#include <kcursor.h>
|
|
#include <kiconloader.h>
|
|
#include <klocale.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, Qt::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, Qt::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, Qt::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, TQT_SIGNAL(activated(int)),
|
|
this, TQT_SLOT(slotChannelChanged(int)));
|
|
|
|
connect(m_scaleBG, TQT_SIGNAL(released(int)),
|
|
this, TQT_SLOT(slotScaleChanged(int)));
|
|
|
|
connect(m_previewWidget, TQT_SIGNAL(spotPositionChangedFromTarget( const Digikam::DColor &, const TQPoint & )),
|
|
this, TQT_SLOT(slotColorSelectedFromTarget( const Digikam::DColor & )));
|
|
|
|
connect(m_rSlider, TQT_SIGNAL(valueChanged(int)),
|
|
m_rInput, TQT_SLOT(setValue(int)));
|
|
connect(m_rInput, TQT_SIGNAL(valueChanged (int)),
|
|
m_rSlider, TQT_SLOT(setValue(int)));
|
|
connect(m_rInput, TQT_SIGNAL(valueChanged (int)),
|
|
this, TQT_SLOT(slotTimer()));
|
|
|
|
connect(m_gSlider, TQT_SIGNAL(valueChanged(int)),
|
|
m_gInput, TQT_SLOT(setValue(int)));
|
|
connect(m_gInput, TQT_SIGNAL(valueChanged (int)),
|
|
m_gSlider, TQT_SLOT(setValue(int)));
|
|
connect(m_gInput, TQT_SIGNAL(valueChanged (int)),
|
|
this, TQT_SLOT(slotTimer()));
|
|
|
|
connect(m_bSlider, TQT_SIGNAL(valueChanged(int)),
|
|
m_bInput, TQT_SLOT(setValue(int)));
|
|
connect(m_bInput, TQT_SIGNAL(valueChanged (int)),
|
|
m_bSlider, TQT_SLOT(setValue(int)));
|
|
connect(m_bInput, TQT_SIGNAL(valueChanged (int)),
|
|
this, TQT_SLOT(slotTimer()));
|
|
|
|
connect(m_previewWidget, TQT_SIGNAL(signalResized()),
|
|
this, TQT_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
|
|
|