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/* ============================================================
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*
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* This file is a part of digiKam project
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* http://www.digikam.org
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*
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* Date : 2004-08-26
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* Description : a digikam image editor plugin to
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* simulate charcoal drawing.
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*
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* Copyright (C) 2004-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* ============================================================ */
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// TQt includes.
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#include <tqlabel.h>
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#include <tqwhatsthis.h>
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#include <tqlayout.h>
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// KDE includes.
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#include <kconfig.h>
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#include <klocale.h>
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#include <kaboutdata.h>
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#include <kiconloader.h>
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#include <kapplication.h>
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#include <kstandarddirs.h>
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// LibKDcraw includes.
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#include <libkdcraw/rnuminput.h>
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// Local includes.
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#include "daboutdata.h"
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#include "ddebug.h"
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#include "dimg.h"
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#include "imageiface.h"
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#include "imagepanelwidget.h"
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#include "editortoolsettings.h"
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#include "charcoal.h"
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#include "charcoaltool.h"
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#include "charcoaltool.moc"
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using namespace KDcrawIface;
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using namespace Digikam;
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namespace DigikamCharcoalImagesPlugin
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{
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CharcoalTool::CharcoalTool(TQObject* tqparent)
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: EditorToolThreaded(tqparent)
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{
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setName("charcoal");
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setToolName(i18n("Charcoal"));
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setToolIcon(SmallIcon("charcoaltool"));
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// -------------------------------------------------------------
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m_gboxSettings = new EditorToolSettings(EditorToolSettings::Default|
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EditorToolSettings::Ok|
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EditorToolSettings::Cancel|
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EditorToolSettings::Try,
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EditorToolSettings::PanIcon);
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TQGridLayout* grid = new TQGridLayout( m_gboxSettings->plainPage(), 4, 1);
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TQLabel *label1 = new TQLabel(i18n("Pencil size:"), m_gboxSettings->plainPage());
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m_pencilInput = new RIntNumInput(m_gboxSettings->plainPage());
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m_pencilInput->setRange(1, 100, 1);
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m_pencilInput->setDefaultValue(5);
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TQWhatsThis::add( m_pencilInput, i18n("<p>Set here the charcoal pencil size used to simulate the drawing."));
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// -------------------------------------------------------------
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TQLabel *label2 = new TQLabel(i18n("Smooth:"), m_gboxSettings->plainPage());
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m_smoothInput = new RIntNumInput(m_gboxSettings->plainPage());
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m_smoothInput->setRange(1, 100, 1);
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m_smoothInput->setDefaultValue(10);
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TQWhatsThis::add( m_smoothInput, i18n("<p>This value controls the smoothing effect of the pencil "
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"under the canvas."));
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grid->addMultiCellWidget(label1, 0, 0, 0, 1);
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grid->addMultiCellWidget(m_pencilInput, 1, 1, 0, 1);
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grid->addMultiCellWidget(label2, 2, 2, 0, 1);
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grid->addMultiCellWidget(m_smoothInput, 3, 3, 0, 1);
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grid->setRowStretch(4, 10);
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grid->setMargin(m_gboxSettings->spacingHint());
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grid->setSpacing(m_gboxSettings->spacingHint());
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setToolSettings(m_gboxSettings);
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// -------------------------------------------------------------
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m_previewWidget = new ImagePanelWidget(470, 350, "charcoal Tool", m_gboxSettings->panIconView());
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setToolView(m_previewWidget);
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init();
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// -------------------------------------------------------------
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connect(m_pencilInput, TQT_SIGNAL(valueChanged(int)),
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this, TQT_SLOT(slotTimer()));
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connect(m_smoothInput, TQT_SIGNAL(valueChanged(int)),
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this, TQT_SLOT(slotTimer()));
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}
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CharcoalTool::~CharcoalTool()
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{
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}
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void CharcoalTool::renderingFinished()
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{
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m_pencilInput->setEnabled(true);
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m_smoothInput->setEnabled(true);
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}
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void CharcoalTool::readSettings()
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{
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KConfig* config = kapp->config();
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config->setGroup("charcoal Tool");
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m_pencilInput->blockSignals(true);
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m_smoothInput->blockSignals(true);
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m_pencilInput->setValue(config->readNumEntry("PencilAjustment", m_pencilInput->defaultValue()));
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m_smoothInput->setValue(config->readNumEntry("SmoothAjustment", m_smoothInput->defaultValue()));
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m_pencilInput->blockSignals(false);
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m_smoothInput->blockSignals(false);
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}
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void CharcoalTool::writeSettings()
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{
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KConfig* config = kapp->config();
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config->setGroup("charcoal Tool");
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config->writeEntry("PencilAjustment", m_pencilInput->value());
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config->writeEntry("SmoothAjustment", m_smoothInput->value());
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m_previewWidget->writeSettings();
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config->sync();
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}
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void CharcoalTool::slotResetSettings()
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{
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m_pencilInput->blockSignals(true);
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m_smoothInput->blockSignals(true);
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m_pencilInput->slotReset();
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m_smoothInput->slotReset();
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m_pencilInput->blockSignals(false);
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m_smoothInput->blockSignals(false);
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}
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void CharcoalTool::prepareEffect()
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{
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m_pencilInput->setEnabled(false);
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m_smoothInput->setEnabled(false);
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double pencil = (double)m_pencilInput->value()/10.0;
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double smooth = (double)m_smoothInput->value();
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DImg image = m_previewWidget->getOriginalRegionImage();
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setFilter(dynamic_cast<DImgThreadedFilter*>(new Charcoal(&image, this, pencil, smooth)));
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}
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void CharcoalTool::prepareFinal()
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{
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m_pencilInput->setEnabled(false);
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m_smoothInput->setEnabled(false);
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double pencil = (double)m_pencilInput->value()/10.0;
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double smooth = (double)m_smoothInput->value();
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ImageIface iface(0, 0);
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setFilter(dynamic_cast<DImgThreadedFilter*>(new Charcoal(iface.getOriginalImg(), this, pencil, smooth)));
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}
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void CharcoalTool::putPreviewData()
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{
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m_previewWidget->setPreviewImage(filter()->getTargetImage());
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}
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void CharcoalTool::putFinalData()
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{
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ImageIface iface(0, 0);
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iface.putOriginalImage(i18n("Charcoal"), filter()->getTargetImage().bits());
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}
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} // NameSpace DigikamCharcoalImagesPlugin
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