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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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