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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2004-09-30
* Description : a plugin to add rain drop over an image
*
* Copyright (C) 2004-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
* Copyright (C) 2006-2008 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
*
* 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 <tqframe.h>
#include <tqimage.h>
// KDE includes.
#include <tdeconfig.h>
#include <tdelocale.h>
#include <tdeaboutdata.h>
#include <kiconloader.h>
#include <tdeapplication.h>
#include <kstandarddirs.h>
#include <knuminput.h>
// Local includes.
#include "version.h"
#include "ddebug.h"
#include "imageiface.h"
#include "imagewidget.h"
#include "raindrop.h"
#include "imageeffect_raindrop.h"
#include "imageeffect_raindrop.moc"
namespace DigikamRainDropImagesPlugin
{
ImageEffect_RainDrop::ImageEffect_RainDrop(TQWidget* parent)
: Digikam::ImageGuideDlg(parent, i18n("Add Raindrops to Photograph"),
"raindrops", false, true, false,
Digikam::ImageGuideWidget::HVGuideMode)
{
TQString whatsThis;
TDEAboutData* about = new TDEAboutData("digikam",
I18N_NOOP("Raindrops"),
digikam_version,
I18N_NOOP("A digiKam image plugin to add raindrops to an image."),
TDEAboutData::License_GPL,
"(c) 2004-2005, Gilles Caulier\n"
"(c) 2006-2008, Gilles Caulier and Marcel Wiesweg",
0,
"http://www.digikam.org");
about->addAuthor("Gilles Caulier", I18N_NOOP("Author and maintainer"),
"caulier dot gilles at gmail dot com");
about->addAuthor("Pieter Z. Voloshyn", I18N_NOOP("Raindrops algorithm"),
"pieter dot voloshyn at gmail dot com");
about->addAuthor("Marcel Wiesweg", I18N_NOOP("Developer"),
"marcel dot wiesweg at gmx dot de");
setAboutData(about);
TQWhatsThis::add( m_imagePreviewWidget, i18n("<p>This is the preview of the Raindrop effect."
"<p>Note: if you have previously selected an area in the editor, "
"this will be unaffected by the filter. You can use this method to "
"disable the Raindrops effect on a human face, for example.") );
// -------------------------------------------------------------
TQWidget *gboxSettings = new TQWidget(plainPage());
TQGridLayout* gridSettings = new TQGridLayout( gboxSettings, 5, 2, spacingHint());
TQLabel *label1 = new TQLabel(i18n("Drop size:"), gboxSettings);
m_dropInput = new KIntNumInput(gboxSettings);
m_dropInput->setRange(0, 200, 1, true);
m_dropInput->setValue(80);
TQWhatsThis::add( m_dropInput, i18n("<p>Set here the raindrops' size."));
gridSettings->addMultiCellWidget(label1, 0, 0, 0, 2);
gridSettings->addMultiCellWidget(m_dropInput, 1, 1, 0, 2);
// -------------------------------------------------------------
TQLabel *label2 = new TQLabel(i18n("Number:"), gboxSettings);
m_amountInput = new KIntNumInput(gboxSettings);
m_amountInput->setRange(1, 500, 1, true);
m_amountInput->setValue(150);
TQWhatsThis::add( m_amountInput, i18n("<p>This value controls the maximum number of raindrops."));
gridSettings->addMultiCellWidget(label2, 2, 2, 0, 2);
gridSettings->addMultiCellWidget(m_amountInput, 3, 3, 0, 2);
// -------------------------------------------------------------
TQLabel *label3 = new TQLabel(i18n("Fish eyes:"), gboxSettings);
m_coeffInput = new KIntNumInput(gboxSettings);
m_coeffInput->setRange(1, 100, 1, true);
m_coeffInput->setValue(30);
TQWhatsThis::add( m_coeffInput, i18n("<p>This value is the fish-eye-effect optical "
"distortion coefficient."));
gridSettings->addMultiCellWidget(label3, 4, 4, 0, 2);
gridSettings->addMultiCellWidget(m_coeffInput, 5, 5, 0, 2);
setUserAreaWidget(gboxSettings);
// -------------------------------------------------------------
connect(m_dropInput, TQ_SIGNAL(valueChanged(int)),
this, TQ_SLOT(slotTimer()));
connect(m_amountInput, TQ_SIGNAL(valueChanged(int)),
this, TQ_SLOT(slotTimer()));
connect(m_coeffInput, TQ_SIGNAL(valueChanged(int)),
this, TQ_SLOT(slotTimer()));
}
ImageEffect_RainDrop::~ImageEffect_RainDrop()
{
}
void ImageEffect_RainDrop::renderingFinished()
{
m_dropInput->setEnabled(true);
m_amountInput->setEnabled(true);
m_coeffInput->setEnabled(true);
}
void ImageEffect_RainDrop::readUserSettings(void)
{
TDEConfig *config = kapp->config();
config->setGroup("raindrops Tool Dialog");
m_dropInput->blockSignals(true);
m_amountInput->blockSignals(true);
m_coeffInput->blockSignals(true);
m_dropInput->setValue(config->readNumEntry("DropAdjustment", 80));
m_amountInput->setValue(config->readNumEntry("AmountAdjustment", 150));
m_coeffInput->setValue(config->readNumEntry("CoeffAdjustment", 30));
m_dropInput->blockSignals(false);
m_amountInput->blockSignals(false);
m_coeffInput->blockSignals(false);
slotEffect();
}
void ImageEffect_RainDrop::writeUserSettings(void)
{
TDEConfig *config = kapp->config();
config->setGroup("raindrops Tool Dialog");
config->writeEntry("DropAdjustment", m_dropInput->value());
config->writeEntry("AmountAdjustment", m_amountInput->value());
config->writeEntry("CoeffAdjustment", m_coeffInput->value());
config->sync();
}
void ImageEffect_RainDrop::resetValues()
{
m_dropInput->blockSignals(true);
m_amountInput->blockSignals(true);
m_coeffInput->blockSignals(true);
m_dropInput->setValue(80);
m_amountInput->setValue(150);
m_coeffInput->setValue(30);
m_dropInput->blockSignals(false);
m_amountInput->blockSignals(false);
m_coeffInput->blockSignals(false);
}
void ImageEffect_RainDrop::prepareEffect()
{
m_dropInput->setEnabled(false);
m_amountInput->setEnabled(false);
m_coeffInput->setEnabled(false);
int d = m_dropInput->value();
int a = m_amountInput->value();
int c = m_coeffInput->value();
Digikam::ImageIface* iface = m_imagePreviewWidget->imageIface();
// Selected data from the image
TQRect selection( iface->selectedXOrg(), iface->selectedYOrg(),
iface->selectedWidth(), iface->selectedHeight() );
m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(
new RainDrop(iface->getOriginalImg(), this, d, a, c, &selection));
}
void ImageEffect_RainDrop::prepareFinal()
{
m_dropInput->setEnabled(false);
m_amountInput->setEnabled(false);
m_coeffInput->setEnabled(false);
int d = m_dropInput->value();
int a = m_amountInput->value();
int c = m_coeffInput->value();
Digikam::ImageIface iface(0, 0);
// Selected data from the image
TQRect selection( iface.selectedXOrg(), iface.selectedYOrg(),
iface.selectedWidth(), iface.selectedHeight() );
m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(
new RainDrop(iface.getOriginalImg(), this, d, a, c, &selection));
}
void ImageEffect_RainDrop::putPreviewData(void)
{
Digikam::ImageIface* iface = m_imagePreviewWidget->imageIface();
Digikam::DImg imDest = m_threadedFilter->getTargetImage()
.smoothScale(iface->previewWidth(), iface->previewHeight());
iface->putPreviewImage(imDest.bits());
m_imagePreviewWidget->updatePreview();
}
void ImageEffect_RainDrop::putFinalData(void)
{
Digikam::ImageIface iface(0, 0);
iface.putOriginalImage(i18n("RainDrop"),
m_threadedFilter->getTargetImage().bits());
}
} // NameSpace DigikamRainDropImagesPlugin
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