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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2004-07-09
* Description : a tool to blur an image
*
* Copyright (C) 2004-2007 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 <tqlayout.h>
#include <tqlabel.h>
#include <tqwhatsthis.h>
// KDE includes.
#include <tdeaboutdata.h>
#include <knuminput.h>
#include <tdeconfig.h>
#include <kcursor.h>
#include <klocale.h>
#include <tdeapplication.h>
// Digikam includes.
#include "ddebug.h"
#include "imageiface.h"
#include "dimggaussianblur.h"
// Local includes.
#include "imageeffect_blur.h"
#include "imageeffect_blur.moc"
namespace DigikamImagesPluginCore
{
ImageEffect_Blur::ImageEffect_Blur(TQWidget* parent)
: Digikam::CtrlPanelDlg(parent, i18n("Apply Gaussian Blur on Photograph"),
"gaussianblur", false, true, true)
{
setHelp("blursharpentool.anchor", "digikam");
TQWidget *gboxSettings = new TQWidget(m_imagePreviewWidget);
TQGridLayout* gridSettings = new TQGridLayout( gboxSettings, 1, 1, 0, spacingHint());
TQLabel *label = new TQLabel(i18n("Smoothness:"), gboxSettings);
m_radiusInput = new KIntNumInput(gboxSettings);
m_radiusInput->setRange(0, 100, 1, true);
m_radiusInput->setValue(0);
TQWhatsThis::add( m_radiusInput, i18n("<p>A smoothness of 0 has no effect, "
"1 and above determine the Gaussian blur matrix radius "
"that determines how much to blur the image."));
gridSettings->addMultiCellWidget(label, 0, 0, 0, 1);
gridSettings->addMultiCellWidget(m_radiusInput, 1, 1, 0, 1);
m_imagePreviewWidget->setUserAreaWidget(gboxSettings);
}
ImageEffect_Blur::~ImageEffect_Blur()
{
}
void ImageEffect_Blur::readUserSettings()
{
TDEConfig* config = kapp->config();
config->setGroup("gaussianblur Tool Dialog");
m_radiusInput->setValue(config->readNumEntry("RadiusAjustment", 0));
}
void ImageEffect_Blur::writeUserSettings()
{
TDEConfig* config = kapp->config();
config->setGroup("gaussianblur Tool Dialog");
config->writeEntry("RadiusAjustment", m_radiusInput->value());
config->sync();
}
void ImageEffect_Blur::resetValues(void)
{
m_radiusInput->blockSignals(true);
m_radiusInput->setValue(0);
m_radiusInput->blockSignals(false);
}
void ImageEffect_Blur::prepareEffect()
{
m_radiusInput->setEnabled(false);
Digikam::DImg img = m_imagePreviewWidget->getOriginalRegionImage();
m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>
(new Digikam::DImgGaussianBlur(&img, this, m_radiusInput->value()));
}
void ImageEffect_Blur::prepareFinal()
{
m_radiusInput->setEnabled(false);
Digikam::ImageIface iface(0, 0);
uchar *data = iface.getOriginalImage();
int w = iface.originalWidth();
int h = iface.originalHeight();
bool sixteenBit = iface.originalSixteenBit();
bool hasAlpha = iface.originalHasAlpha();
Digikam::DImg orgImage = Digikam::DImg(w, h, sixteenBit, hasAlpha ,data);
delete [] data;
m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>
(new Digikam::DImgGaussianBlur(&orgImage, this, m_radiusInput->value()));
}
void ImageEffect_Blur::putPreviewData(void)
{
Digikam::DImg imDest = m_threadedFilter->getTargetImage();
m_imagePreviewWidget->setPreviewImage(imDest);
}
void ImageEffect_Blur::putFinalData(void)
{
Digikam::ImageIface iface(0, 0);
Digikam::DImg imDest = m_threadedFilter->getTargetImage();
iface.putOriginalImage(i18n("Gaussian Blur"), imDest.bits());
}
void ImageEffect_Blur::renderingFinished(void)
{
m_radiusInput->setEnabled(true);
}
} // NameSpace DigikamImagesPluginCore
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