1 files changed, 193 insertions, 0 deletions
diff --git a/src/imageplugins/charcoal/imageeffect_charcoal.cpp b/src/imageplugins/charcoal/imageeffect_charcoal.cpp
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+++ b/src/imageplugins/charcoal/imageeffect_charcoal.cpp
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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2004-08-26
+ * Description : a digikam image editor plugin to 
+ *               simulate charcoal drawing.
+ *
+ * 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>
+
+// KDE includes.
+
+#include <tdeconfig.h>
+#include <tdelocale.h>
+#include <tdeaboutdata.h>
+#include <kiconloader.h>
+#include <tdeapplication.h>
+#include <knuminput.h>
+#include <kstandarddirs.h>
+
+// Local includes.
+
+#include "version.h"
+#include "ddebug.h"
+#include "dimg.h"
+#include "imageiface.h"
+#include "imagewidget.h"
+#include "charcoal.h"
+#include "imageeffect_charcoal.h"
+#include "imageeffect_charcoal.moc"
+
+namespace DigikamCharcoalImagesPlugin
+{
+
+ImageEffect_Charcoal::ImageEffect_Charcoal(TQWidget* parent)
+                    : Digikam::CtrlPanelDlg(parent, i18n("Charcoal Drawing"), 
+                                            "charcoal", false, false, true,
+                                            Digikam::ImagePannelWidget::SeparateViewAll)
+{
+    TQString whatsThis;
+        
+    TDEAboutData* about = new TDEAboutData("digikam",
+                                       I18N_NOOP("Charcoal Drawing"), 
+                                       digikam_version,
+                                       I18N_NOOP("A digiKam charcoal drawing image effect plugin."),
+                                       TDEAboutData::License_GPL,
+                                       "(c) 2004-2008, Gilles Caulier", 
+                                       0,
+                                       "http://www.digikam.org");
+    
+    about->addAuthor("Gilles Caulier", I18N_NOOP("Author and maintainer"),
+                     "caulier dot gilles at gmail dot com");
+    
+    setAboutData(about);
+        
+    // -------------------------------------------------------------
+    
+    TQWidget *gboxSettings     = new TQWidget(m_imagePreviewWidget);
+    TQGridLayout* gridSettings = new TQGridLayout( gboxSettings, 3, 1, 0, spacingHint());
+    TQLabel *label1 = new TQLabel(i18n("Pencil size:"), gboxSettings);
+    
+    m_pencilInput = new KIntNumInput(gboxSettings);
+    m_pencilInput->setRange(1, 100, 1, true);  
+    m_pencilInput->setValue(5);
+    TQWhatsThis::add( m_pencilInput, i18n("<p>Set here the charcoal pencil size used to simulate the drawing."));
+
+    gridSettings->addMultiCellWidget(label1, 0, 0, 0, 1);
+    gridSettings->addMultiCellWidget(m_pencilInput, 1, 1, 0, 1);
+    
+    // -------------------------------------------------------------
+    
+    TQLabel *label2 = new TQLabel(i18n("Smooth:"), gboxSettings);
+    
+    m_smoothInput = new KIntNumInput(gboxSettings);
+    m_smoothInput->setRange(1, 100, 1, true);  
+    m_smoothInput->setValue(10);
+    TQWhatsThis::add( m_smoothInput, i18n("<p>This value controls the smoothing effect of the pencil "
+                                         "under the canvas."));
+
+    gridSettings->addMultiCellWidget(label2, 2, 2, 0, 1);
+    gridSettings->addMultiCellWidget(m_smoothInput, 3, 3, 0, 1);
+    
+    m_imagePreviewWidget->setUserAreaWidget(gboxSettings);
+    
+    // -------------------------------------------------------------
+    
+    connect(m_pencilInput, TQ_SIGNAL(valueChanged(int)),
+            this, TQ_SLOT(slotTimer()));      
+                
+    connect(m_smoothInput, TQ_SIGNAL(valueChanged(int)),
+            this, TQ_SLOT(slotTimer()));      
+}
+
+ImageEffect_Charcoal::~ImageEffect_Charcoal()
+{
+}
+
+void ImageEffect_Charcoal::renderingFinished()
+{
+    m_pencilInput->setEnabled(true);
+    m_smoothInput->setEnabled(true);
+}
+
+void ImageEffect_Charcoal::readUserSettings()
+{
+    TDEConfig* config = kapp->config();
+    config->setGroup("charcoal Tool Dialog");
+    m_pencilInput->blockSignals(true);
+    m_smoothInput->blockSignals(true);
+    m_pencilInput->setValue(config->readNumEntry("PencilAjustment", 5));
+    m_smoothInput->setValue(config->readNumEntry("SmoothAjustment", 10));
+    m_pencilInput->blockSignals(false);
+    m_smoothInput->blockSignals(false);
+}
+
+void ImageEffect_Charcoal::writeUserSettings()
+{
+    TDEConfig* config = kapp->config();
+    config->setGroup("charcoal Tool Dialog");
+    config->writeEntry("PencilAjustment", m_pencilInput->value());
+    config->writeEntry("SmoothAjustment", m_smoothInput->value());
+    config->sync();
+}
+
+void ImageEffect_Charcoal::resetValues()
+{
+    m_pencilInput->blockSignals(true);
+    m_smoothInput->blockSignals(true);
+    m_pencilInput->setValue(5);
+    m_smoothInput->setValue(10);
+    m_pencilInput->blockSignals(false);
+    m_smoothInput->blockSignals(false);
+} 
+
+void ImageEffect_Charcoal::prepareEffect()
+{
+    m_pencilInput->setEnabled(false);
+    m_smoothInput->setEnabled(false);
+            
+    double pencil = (double)m_pencilInput->value()/10.0;
+    double smooth = (double)m_smoothInput->value();
+    
+    Digikam::DImg image = m_imagePreviewWidget->getOriginalRegionImage();
+
+    m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(new Charcoal(&image, this, pencil, smooth));
+}
+
+void ImageEffect_Charcoal::prepareFinal()
+{
+    m_pencilInput->setEnabled(false);
+    m_smoothInput->setEnabled(false);
+    
+    double pencil = (double)m_pencilInput->value()/10.0;
+    double smooth = (double)m_smoothInput->value();
+
+    Digikam::ImageIface iface(0, 0);
+    m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(new Charcoal(iface.getOriginalImg(), 
+                                                                   this, pencil, smooth));
+}
+
+void ImageEffect_Charcoal::putPreviewData(void)
+{
+    m_imagePreviewWidget->setPreviewImage(m_threadedFilter->getTargetImage());
+}
+
+void ImageEffect_Charcoal::putFinalData(void)
+{
+    Digikam::ImageIface iface(0, 0);
+    iface.putOriginalImage(i18n("Charcoal"), m_threadedFilter->getTargetImage().bits());
+}
+
+}  // NameSpace DigikamCharcoalImagesPlugin
+