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379 lines
15 KiB
379 lines
15 KiB
/* ============================================================
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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 : 2005-02-11
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* Description : a plugin to apply Distortion FX to an image.
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*
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* Copyright (C) 2005-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
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* Copyright (C) 2006-2008 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
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*
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* Original Distortion algorithms copyrighted 2004-2005 by
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* Pieter Z. Voloshyn <pieter dot voloshyn 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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#include <tqframe.h>
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#include <tqimage.h>
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#include <tqspinbox.h>
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#include <tqcombobox.h>
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// KDE includes.
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#include <tdeconfig.h>
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#include <klocale.h>
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#include <kcursor.h>
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#include <kaboutdata.h>
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#include <khelpmenu.h>
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#include <kapplication.h>
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#include <knuminput.h>
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#include <kstandarddirs.h>
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#include <kprogress.h>
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// Local includes.
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#include "version.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 "imagewidget.h"
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#include "distortionfx.h"
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#include "imageeffect_distortionfx.h"
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#include "imageeffect_distortionfx.moc"
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namespace DigikamDistortionFXImagesPlugin
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{
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ImageEffect_DistortionFX::ImageEffect_DistortionFX(TQWidget* parent)
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: Digikam::ImageGuideDlg(parent, i18n("Distortion Effects"),
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"distortionfx", false, true, false,
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Digikam::ImageGuideWidget::HVGuideMode)
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{
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// About data and help button.
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TDEAboutData* about = new TDEAboutData("digikam",
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I18N_NOOP("Distortion Effects"),
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digikam_version,
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I18N_NOOP("A digiKam image plugin to apply distortion effects to an image."),
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TDEAboutData::License_GPL,
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"(c) 2005, Gilles Caulier\n"
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"(c) 2006-2008, Gilles Caulier and Marcel Wiesweg",
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0,
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"http://www.digikam.org");
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about->addAuthor("Gilles Caulier", I18N_NOOP("Author and maintainer"),
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"caulier dot gilles at gmail dot com");
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about->addAuthor("Pieter Z. Voloshyn", I18N_NOOP("Distortion algorithms"),
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"pieter dot voloshyn at gmail dot com");
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about->addAuthor("Marcel Wiesweg", I18N_NOOP("Developer"),
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"marcel dot wiesweg at gmx dot de");
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setAboutData(about);
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TQWhatsThis::add( m_imagePreviewWidget, i18n("<p>This is the preview of the distortion effect "
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"applied to the photograph.") );
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// -------------------------------------------------------------
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TQWidget *gboxSettings = new TQWidget(plainPage());
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TQGridLayout* gridSettings = new TQGridLayout( gboxSettings, 5, 2, spacingHint());
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m_effectTypeLabel = new TQLabel(i18n("Type:"), gboxSettings);
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m_effectType = new TQComboBox( false, gboxSettings );
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m_effectType->insertItem( i18n("Fish Eyes") );
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m_effectType->insertItem( i18n("Twirl") );
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m_effectType->insertItem( i18n("Cylindrical Hor.") );
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m_effectType->insertItem( i18n("Cylindrical Vert.") );
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m_effectType->insertItem( i18n("Cylindrical H/V.") );
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m_effectType->insertItem( i18n("Caricature") );
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m_effectType->insertItem( i18n("Multiple Corners") );
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m_effectType->insertItem( i18n("Waves Hor.") );
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m_effectType->insertItem( i18n("Waves Vert.") );
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m_effectType->insertItem( i18n("Block Waves 1") );
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m_effectType->insertItem( i18n("Block Waves 2") );
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m_effectType->insertItem( i18n("Circular Waves 1") );
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m_effectType->insertItem( i18n("Circular Waves 2") );
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m_effectType->insertItem( i18n("Polar Coordinates") );
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m_effectType->insertItem( i18n("Unpolar Coordinates") );
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m_effectType->insertItem( i18n("Tile") );
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TQWhatsThis::add( m_effectType, i18n("<p>Here, select the type of effect to apply to the image.<p>"
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"<b>Fish Eyes</b>: warps the photograph around a 3D spherical shape to "
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"reproduce the common photograph 'Fish Eyes' effect.<p>"
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"<b>Twirl</b>: spins the photograph to produce a Twirl pattern.<p>"
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"<b>Cylinder Hor.</b>: warps the photograph around a horizontal cylinder.<p>"
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"<b>Cylinder Vert.</b>: warps the photograph around a vertical cylinder.<p>"
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"<b>Cylinder H/V.</b>: warps the photograph around 2 cylinders, vertical "
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"and horizontal.<p>"
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"<b>Caricature</b>: distorts the photograph with the 'Fish Eyes' effect inverted.<p>"
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"<b>Multiple Corners</b>: splits the photograph like a multiple corners pattern.<p>"
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"<b>WavesQt Horizontal</b>: distorts the photograph with horizontal waves.<p>"
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"<b>Waves Vertical</b>: distorts the photograph with vertical waves.<p>"
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"<b>Block Waves 1</b>: divides the image into cells and makes it look as "
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"if it is being viewed through glass blocks.<p>"
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"<b>Block Waves 2</b>: like Block Waves 1 but with another version "
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"of glass blocks distortion.<p>"
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"<b>Circular Waves 1</b>: distorts the photograph with circular waves.<p>"
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"<b>Circular Waves 2</b>: another variation of the Circular Waves effect.<p>"
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"<b>Polar Coordinates</b>: converts the photograph from rectangular "
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"to polar coordinates.<p>"
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"<b>Unpolar Coordinates</b>: the Polar Coordinates effect inverted.<p>"
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"<b>Tile</b>: splits the photograph into square blocks and moves "
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"them randomly inside the image.<p>"
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));
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gridSettings->addMultiCellWidget(m_effectTypeLabel, 0, 0, 0, 2);
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gridSettings->addMultiCellWidget(m_effectType, 1, 1, 0, 2);
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m_levelLabel = new TQLabel(i18n("Level:"), gboxSettings);
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m_levelInput = new KIntNumInput(gboxSettings);
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m_levelInput->setRange(0, 100, 1, true);
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TQWhatsThis::add( m_levelInput, i18n("<p>Set here the level of the effect."));
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gridSettings->addMultiCellWidget(m_levelLabel, 2, 2, 0, 2);
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gridSettings->addMultiCellWidget(m_levelInput, 3, 3, 0, 2);
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m_iterationLabel = new TQLabel(i18n("Iteration:"), gboxSettings);
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m_iterationInput = new KIntNumInput(gboxSettings);
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m_iterationInput->setRange(0, 100, 1, true);
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TQWhatsThis::add( m_iterationInput, i18n("<p>This value controls the iterations to use for Waves, "
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"Tile, and Neon effects."));
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gridSettings->addMultiCellWidget(m_iterationLabel, 4, 4, 0, 2);
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gridSettings->addMultiCellWidget(m_iterationInput, 5, 5, 0, 2);
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setUserAreaWidget(gboxSettings);
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// -------------------------------------------------------------
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connect(m_effectType, TQT_SIGNAL(activated(int)),
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this, TQT_SLOT(slotEffectTypeChanged(int)));
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connect(m_levelInput, TQT_SIGNAL(valueChanged(int)),
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this, TQT_SLOT(slotTimer()));
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connect(m_iterationInput, TQT_SIGNAL(valueChanged(int)),
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this, TQT_SLOT(slotTimer()));
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}
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ImageEffect_DistortionFX::~ImageEffect_DistortionFX()
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{
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}
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void ImageEffect_DistortionFX::renderingFinished()
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{
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m_effectTypeLabel->setEnabled(true);
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m_effectType->setEnabled(true);
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m_levelInput->setEnabled(true);
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m_levelLabel->setEnabled(true);
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m_iterationInput->setEnabled(true);
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m_iterationLabel->setEnabled(true);
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switch (m_effectType->currentItem())
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{
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case DistortionFX::FishEye:
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case DistortionFX::Twirl:
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case DistortionFX::CilindricalHor:
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case DistortionFX::CilindricalVert:
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case DistortionFX::CilindricalHV:
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case DistortionFX::Caricature:
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case DistortionFX::MultipleCorners:
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break;
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case DistortionFX::PolarCoordinates:
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case DistortionFX::UnpolarCoordinates:
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m_levelInput->setEnabled(false);
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m_levelLabel->setEnabled(false);
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break;
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case DistortionFX::WavesHorizontal:
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case DistortionFX::WavesVertical:
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case DistortionFX::BlockWaves1:
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case DistortionFX::BlockWaves2:
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case DistortionFX::CircularWaves1:
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case DistortionFX::CircularWaves2:
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case DistortionFX::Tile:
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m_iterationInput->setEnabled(true);
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m_iterationLabel->setEnabled(true);
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break;
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}
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}
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void ImageEffect_DistortionFX::readUserSettings(void)
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{
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TDEConfig *config = kapp->config();
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config->setGroup("distortionfx Tool Dialog");
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m_effectType->blockSignals(true);
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m_iterationInput->blockSignals(true);
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m_levelInput->blockSignals(true);
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m_effectType->setCurrentItem(config->readNumEntry("EffectType", DistortionFX::FishEye));
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m_iterationInput->setValue(config->readNumEntry("IterationAjustment", 10));
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m_levelInput->setValue(config->readNumEntry("LevelAjustment", 50));
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m_effectType->blockSignals(false);
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m_iterationInput->blockSignals(false);
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m_levelInput->blockSignals(false);
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slotEffect();
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}
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void ImageEffect_DistortionFX::writeUserSettings(void)
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{
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TDEConfig *config = kapp->config();
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config->setGroup("distortionfx Tool Dialog");
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config->writeEntry("EffectType", m_effectType->currentItem());
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config->writeEntry("IterationAjustment", m_iterationInput->value());
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config->writeEntry("LevelAjustment", m_levelInput->value());
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config->sync();
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}
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void ImageEffect_DistortionFX::resetValues()
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{
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m_effectType->blockSignals(true);
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m_effectType->setCurrentItem(DistortionFX::FishEye);
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slotEffectTypeChanged(DistortionFX::FishEye);
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m_effectType->blockSignals(false);
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}
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void ImageEffect_DistortionFX::slotEffectTypeChanged(int type)
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{
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m_levelInput->setEnabled(true);
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m_levelLabel->setEnabled(true);
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m_levelInput->blockSignals(true);
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m_iterationInput->blockSignals(true);
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m_levelInput->setRange(0, 100, 1, true);
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m_levelInput->setValue(25);
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switch (type)
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{
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case DistortionFX::Twirl:
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m_levelInput->setRange(-50, 50, 1, true);
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m_levelInput->setValue(10);
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break;
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case DistortionFX::FishEye:
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case DistortionFX::CilindricalHor:
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case DistortionFX::CilindricalVert:
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case DistortionFX::CilindricalHV:
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case DistortionFX::Caricature:
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m_levelInput->setRange(0, 200, 1, true);
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m_levelInput->setValue(50);
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break;
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case DistortionFX::MultipleCorners:
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m_levelInput->setRange(1, 10, 1, true);
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m_levelInput->setValue(4);
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break;
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case DistortionFX::WavesHorizontal:
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case DistortionFX::WavesVertical:
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case DistortionFX::BlockWaves1:
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case DistortionFX::BlockWaves2:
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case DistortionFX::CircularWaves1:
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case DistortionFX::CircularWaves2:
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case DistortionFX::Tile:
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m_iterationInput->setEnabled(true);
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m_iterationLabel->setEnabled(true);
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m_iterationInput->setRange(0, 200, 1, true);
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m_iterationInput->setValue(10);
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break;
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case DistortionFX::PolarCoordinates:
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case DistortionFX::UnpolarCoordinates:
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m_levelInput->setEnabled(false);
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m_levelLabel->setEnabled(false);
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break;
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}
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m_levelInput->blockSignals(false);
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m_iterationInput->blockSignals(false);
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slotEffect();
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}
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void ImageEffect_DistortionFX::prepareEffect()
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{
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m_effectTypeLabel->setEnabled(false);
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m_effectType->setEnabled(false);
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m_levelInput->setEnabled(false);
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m_levelLabel->setEnabled(false);
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m_iterationInput->setEnabled(false);
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m_iterationLabel->setEnabled(false);
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int l = m_levelInput->value();
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int f = m_iterationInput->value();
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int e = m_effectType->currentItem();
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Digikam::ImageIface* iface = m_imagePreviewWidget->imageIface();
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uchar *data = iface->getPreviewImage();
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Digikam::DImg image(iface->previewWidth(), iface->previewHeight(), iface->previewSixteenBit(),
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iface->previewHasAlpha(), data);
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delete [] data;
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m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(
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new DistortionFX(&image, this, e, l, f));
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}
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void ImageEffect_DistortionFX::prepareFinal()
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{
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m_effectTypeLabel->setEnabled(false);
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m_effectType->setEnabled(false);
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m_levelInput->setEnabled(false);
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m_levelLabel->setEnabled(false);
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m_iterationInput->setEnabled(false);
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m_iterationLabel->setEnabled(false);
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int l = m_levelInput->value();
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int f = m_iterationInput->value();
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int e = m_effectType->currentItem();
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Digikam::ImageIface iface(0, 0);
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m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(
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new DistortionFX(iface.getOriginalImg(), this, e, l, f));
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}
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void ImageEffect_DistortionFX::putPreviewData(void)
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{
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Digikam::ImageIface* iface = m_imagePreviewWidget->imageIface();
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Digikam::DImg imDest = m_threadedFilter->getTargetImage()
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.smoothScale(iface->previewWidth(), iface->previewHeight());
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iface->putPreviewImage(imDest.bits());
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m_imagePreviewWidget->updatePreview();
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}
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void ImageEffect_DistortionFX::putFinalData(void)
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{
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Digikam::ImageIface iface(0, 0);
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iface.putOriginalImage(i18n("Distortion Effects"),
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m_threadedFilter->getTargetImage().bits());
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}
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} // NameSpace DigikamDistortionFXImagesPlugin
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