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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2004-12-25
* Description : a digiKam image plugin to reduce
* vignetting on an image.
*
* 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 <tqlabel.h>
#include <tqwhatsthis.h>
#include <tqlayout.h>
#include <tqimage.h>
#include <tqpixmap.h>
#include <tqpainter.h>
#include <tqpen.h>
#include <tqtabwidget.h>
// KDE includes.
#include <kconfig.h>
#include <klocale.h>
#include <kaboutdata.h>
#include <kiconloader.h>
#include <kapplication.h>
#include <kstandarddirs.h>
#include <kseparator.h>
// LibKDcraw includes.
#include <libkdcraw/rnuminput.h>
// Local includes.
#include "daboutdata.h"
#include "ddebug.h"
#include "bcgmodifier.h"
#include "imageiface.h"
#include "imagewidget.h"
#include "editortoolsettings.h"
#include "dimgimagefilters.h"
#include "antivignetting.h"
#include "antivignettingtool.h"
#include "antivignettingtool.moc"
using namespace KDcrawIface;
using namespace Digikam;
namespace DigikamAntiVignettingImagesPlugin
{
AntiVignettingTool::AntiVignettingTool(TQObject* tqparent)
: EditorToolThreaded(tqparent)
{
setName("antivignettings");
setToolName(i18n("Vignetting Correction"));
setToolIcon(SmallIcon("antivignetting"));
m_previewWidget = new ImageWidget("antivignetting Tool", 0, TQString(),
false, ImageGuideWidget::HVGuideMode, false);
setToolView(m_previewWidget);
// -------------------------------------------------------------
m_gboxSettings = new EditorToolSettings(EditorToolSettings::Default|
EditorToolSettings::Ok|
EditorToolSettings::Cancel);
TQGridLayout* grid = new TQGridLayout(m_gboxSettings->plainPage(), 14, 2);
m_tqmaskPreviewLabel = new TQLabel( m_gboxSettings->plainPage() );
m_tqmaskPreviewLabel->tqsetAlignment ( TQt::AlignHCenter | TQt::AlignVCenter );
TQWhatsThis::add( m_tqmaskPreviewLabel, i18n("<p>You can see here a thumbnail preview of the anti-vignetting "
"tqmask applied to the image.") );
// -------------------------------------------------------------
TQLabel *label1 = new TQLabel(i18n("Density:"), m_gboxSettings->plainPage());
m_densityInput = new RDoubleNumInput(m_gboxSettings->plainPage());
m_densityInput->setPrecision(1);
m_densityInput->setRange(1.0, 20.0, 0.1);
m_densityInput->setDefaultValue(2.0);
TQWhatsThis::add( m_densityInput, i18n("<p>This value controls the degree of intensity attenuation by the filter "
"at its point of maximum density."));
// -------------------------------------------------------------
TQLabel *label2 = new TQLabel(i18n("Power:"), m_gboxSettings->plainPage());
m_powerInput = new RDoubleNumInput(m_gboxSettings->plainPage());
m_powerInput->setPrecision(1);
m_powerInput->setRange(0.1, 2.0, 0.1);
m_powerInput->setDefaultValue(1.0);
TQWhatsThis::add( m_powerInput, i18n("<p>This value is used as the exponent controlling the fall-off in density "
"from the center of the filter to the periphery."));
// -------------------------------------------------------------
TQLabel *label3 = new TQLabel(i18n("Radius:"), m_gboxSettings->plainPage());
m_radiusInput = new RDoubleNumInput(m_gboxSettings->plainPage());
m_radiusInput->setPrecision(1);
m_radiusInput->setRange(-100.0, 100.0, 0.1);
m_radiusInput->setDefaultValue(1.0);
TQWhatsThis::add( m_radiusInput, i18n("<p>This value is the radius of the center filter. It is a multiple of the "
"half-diagonal measure of the image, at which the density of the filter falls "
"to zero."));
KSeparator *line = new KSeparator(Qt::Horizontal, m_gboxSettings->plainPage());
// -------------------------------------------------------------
TQLabel *label4 = new TQLabel(i18n("Brightness:"), m_gboxSettings->plainPage());
m_brightnessInput = new RIntNumInput(m_gboxSettings->plainPage());
m_brightnessInput->setRange(0, 100, 1);
m_brightnessInput->setDefaultValue(0);
TQWhatsThis::add( m_brightnessInput, i18n("<p>Set here the brightness re-adjustment of the target image."));
// -------------------------------------------------------------
TQLabel *label5 = new TQLabel(i18n("Contrast:"), m_gboxSettings->plainPage());
m_contrastInput = new RIntNumInput(m_gboxSettings->plainPage());
m_contrastInput->setRange(0, 100, 1);
m_contrastInput->setDefaultValue(0);
TQWhatsThis::add( m_contrastInput, i18n("<p>Set here the contrast re-adjustment of the target image."));
// -------------------------------------------------------------
TQLabel *label6 = new TQLabel(i18n("Gamma:"), m_gboxSettings->plainPage());
m_gammaInput = new RDoubleNumInput(m_gboxSettings->plainPage());
m_gammaInput->setPrecision(2);
m_gammaInput->setRange(0.1, 3.0, 0.01);
m_gammaInput->setDefaultValue(1.0);
TQWhatsThis::add( m_gammaInput, i18n("<p>Set here the gamma re-adjustment of the target image."));
grid->addMultiCellWidget(m_tqmaskPreviewLabel, 0, 0, 0, 2);
grid->addMultiCellWidget(label1, 1, 1, 0, 2);
grid->addMultiCellWidget(m_densityInput, 2, 2, 0, 2);
grid->addMultiCellWidget(label2, 3, 3, 0, 2);
grid->addMultiCellWidget(m_powerInput, 4, 4, 0, 2);
grid->addMultiCellWidget(label3, 5, 5, 0, 2);
grid->addMultiCellWidget(m_radiusInput, 6, 6, 0, 2);
grid->addMultiCellWidget(line, 7, 7, 0, 2);
grid->addMultiCellWidget(label4, 8, 8, 0, 2);
grid->addMultiCellWidget(m_brightnessInput, 9, 9, 0, 2);
grid->addMultiCellWidget(label5, 10, 10, 0, 2);
grid->addMultiCellWidget(m_contrastInput, 11, 11, 0, 2);
grid->addMultiCellWidget(label6, 12, 12, 0, 2);
grid->addMultiCellWidget(m_gammaInput, 13, 13, 0, 2);
grid->setRowStretch(14, 10);
grid->setMargin(m_gboxSettings->spacingHint());
grid->setSpacing(m_gboxSettings->spacingHint());
setToolSettings(m_gboxSettings);
init();
// -------------------------------------------------------------
connect(m_densityInput, TQT_SIGNAL(valueChanged(double)),
this, TQT_SLOT(slotTimer()));
connect(m_powerInput, TQT_SIGNAL(valueChanged(double)),
this, TQT_SLOT(slotTimer()));
connect(m_radiusInput, TQT_SIGNAL(valueChanged(double)),
this, TQT_SLOT(slotTimer()));
connect(m_brightnessInput, TQT_SIGNAL(valueChanged(int)),
this, TQT_SLOT(slotTimer()));
connect(m_contrastInput, TQT_SIGNAL(valueChanged(int)),
this, TQT_SLOT(slotTimer()));
connect(m_gammaInput, TQT_SIGNAL(valueChanged(double)),
this, TQT_SLOT(slotTimer()));
}
AntiVignettingTool::~AntiVignettingTool()
{
}
void AntiVignettingTool::renderingFinished()
{
m_densityInput->setEnabled(true);
m_powerInput->setEnabled(true);
m_radiusInput->setEnabled(true);
m_brightnessInput->setEnabled(true);
m_contrastInput->setEnabled(true);
m_gammaInput->setEnabled(true);
}
void AntiVignettingTool::readSettings()
{
KConfig* config = kapp->config();
config->setGroup("antivignettings Tool");
m_densityInput->blockSignals(true);
m_powerInput->blockSignals(true);
m_radiusInput->blockSignals(true);
m_brightnessInput->blockSignals(true);
m_contrastInput->blockSignals(true);
m_gammaInput->blockSignals(true);
m_densityInput->setValue(config->readDoubleNumEntry("DensityAjustment", m_densityInput->defaultValue()));
m_powerInput->setValue(config->readDoubleNumEntry("PowerAjustment", m_powerInput->defaultValue()));
m_radiusInput->setValue(config->readDoubleNumEntry("RadiusAjustment", m_radiusInput->defaultValue()));
m_brightnessInput->setValue(config->readNumEntry("BrightnessAjustment", m_brightnessInput->defaultValue()));
m_contrastInput->setValue(config->readNumEntry("ContrastAjustment", m_contrastInput->defaultValue()));
m_gammaInput->setValue(config->readDoubleNumEntry("GammaAjustment", m_gammaInput->defaultValue()));
m_densityInput->blockSignals(false);
m_powerInput->blockSignals(false);
m_radiusInput->blockSignals(false);
m_brightnessInput->blockSignals(false);
m_contrastInput->blockSignals(false);
m_gammaInput->blockSignals(false);
slotEffect();
}
void AntiVignettingTool::writeSettings()
{
KConfig* config = kapp->config();
config->setGroup("antivignettings Tool");
config->writeEntry("DensityAjustment", m_densityInput->value());
config->writeEntry("PowerAjustment", m_powerInput->value());
config->writeEntry("RadiusAjustment", m_radiusInput->value());
config->writeEntry("BrightnessAjustment", m_brightnessInput->value());
config->writeEntry("ContrastAjustment", m_contrastInput->value());
config->writeEntry("GammaAjustment", m_gammaInput->value());
m_previewWidget->writeSettings();
config->sync();
}
void AntiVignettingTool::slotResetSettings()
{
m_densityInput->blockSignals(true);
m_powerInput->blockSignals(true);
m_radiusInput->blockSignals(true);
m_brightnessInput->blockSignals(true);
m_contrastInput->blockSignals(true);
m_gammaInput->blockSignals(true);
m_densityInput->slotReset();
m_powerInput->slotReset();
m_radiusInput->slotReset();
m_brightnessInput->slotReset();
m_contrastInput->slotReset();
m_gammaInput->slotReset();
m_densityInput->blockSignals(false);
m_powerInput->blockSignals(false);
m_radiusInput->blockSignals(false);
m_brightnessInput->blockSignals(false);
m_contrastInput->blockSignals(false);
m_gammaInput->blockSignals(false);
}
void AntiVignettingTool::prepareEffect()
{
m_densityInput->setEnabled(false);
m_powerInput->setEnabled(false);
m_radiusInput->setEnabled(false);
m_brightnessInput->setEnabled(false);
m_contrastInput->setEnabled(false);
m_gammaInput->setEnabled(false);
double d = m_densityInput->value();
double p = m_powerInput->value();
double r = m_radiusInput->value();
ImageIface* iface = m_previewWidget->imageIface();
uchar *data = iface->getOriginalImage();
int orgWidth = iface->originalWidth();
int orgHeight = iface->originalHeight();
TQSize ps(orgWidth, orgHeight);
ps.scale( TQSize(120, 120), TQSize::ScaleMin );
// Calc tqmask preview.
DImg preview(ps.width(), ps.height(), false);
memset(preview.bits(), 255, preview.numBytes());
AntiVignetting tqmaskPreview(&preview, 0L, d, p, r, 0, 0, false);
TQPixmap pix = tqmaskPreview.getTargetImage().convertToPixmap();
TQPainter pt(&pix);
pt.setPen( TQPen(TQt::black, 1) );
pt.drawRect( 0, 0, pix.width(), pix.height() );
pt.end();
m_tqmaskPreviewLabel->setPixmap( pix );
DImg orgImage(orgWidth, orgHeight, iface->originalSixteenBit(),
iface->originalHasAlpha(), data);
delete [] data;
setFilter(dynamic_cast<DImgThreadedFilter*>(new AntiVignetting(&orgImage, this, d, p, r, 0, 0, true)));
}
void AntiVignettingTool::prepareFinal()
{
m_densityInput->setEnabled(false);
m_powerInput->setEnabled(false);
m_radiusInput->setEnabled(false);
m_brightnessInput->setEnabled(false);
m_contrastInput->setEnabled(false);
m_gammaInput->setEnabled(false);
double d = m_densityInput->value();
double p = m_powerInput->value();
double r = m_radiusInput->value();
ImageIface iface(0, 0);
uchar *data = iface.getOriginalImage();
DImg orgImage(iface.originalWidth(), iface.originalHeight(), iface.originalSixteenBit(),
iface.originalHasAlpha(), data);
delete [] data;
setFilter(dynamic_cast<DImgThreadedFilter*>(new AntiVignetting(&orgImage, this, d, p, r, 0, 0, true)));
}
void AntiVignettingTool::putPreviewData(void)
{
ImageIface* iface = m_previewWidget->imageIface();
DImg imDest = filter()->getTargetImage();
// Adjust Image BCG.
double b = (double)(m_brightnessInput->value() / 100.0);
double c = (double)(m_contrastInput->value() / 100.0) + (double)(1.00);
double g = m_gammaInput->value();
BCGModifier cmod;
cmod.setGamma(g);
cmod.setBrightness(b);
cmod.setContrast(c);
cmod.applyBCG(imDest);
iface->putPreviewImage((imDest.smoothScale(iface->previewWidth(),
iface->previewHeight())).bits());
m_previewWidget->updatePreview();
}
void AntiVignettingTool::putFinalData(void)
{
ImageIface iface(0, 0);
iface.putOriginalImage(i18n("Vignetting Correction"),
filter()->getTargetImage().bits());
double b = (double)(m_brightnessInput->value() / 100.0);
double c = (double)(m_contrastInput->value() / 100.0) + (double)(1.00);
double g = m_gammaInput->value();
// Adjust Image BCG.
iface.setOriginalBCG(b, c, g);
}
} // NameSpace DigikamAntiVignettingImagesPlugin
|