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Diffstat (limited to 'src/imageplugins/distortionfx/imageeffect_distortionfx.cpp')
| -rw-r--r-- | src/imageplugins/distortionfx/imageeffect_distortionfx.cpp | 378 |
1 files changed, 378 insertions, 0 deletions
diff --git a/src/imageplugins/distortionfx/imageeffect_distortionfx.cpp b/src/imageplugins/distortionfx/imageeffect_distortionfx.cpp new file mode 100644 index 00000000..695e7749 --- /dev/null +++ b/src/imageplugins/distortionfx/imageeffect_distortionfx.cpp @@ -0,0 +1,378 @@ +/* ============================================================ + * + * This file is a part of digiKam project + * http://www.digikam.org + * + * Date : 2005-02-11 + * Description : a plugin to apply Distortion FX to an image. + * + * Copyright (C) 2005-2008 by Gilles Caulier <caulier dot gilles at gmail dot com> + * Copyright (C) 2006-2008 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de> + * + * Original Distortion algorithms copyrighted 2004-2005 by + * Pieter Z. Voloshyn <pieter dot voloshyn 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> +#include <tqframe.h> +#include <tqimage.h> +#include <tqspinbox.h> +#include <tqcombobox.h> + +// KDE includes. + +#include <tdeconfig.h> +#include <tdelocale.h> +#include <kcursor.h> +#include <tdeaboutdata.h> +#include <khelpmenu.h> +#include <tdeapplication.h> +#include <knuminput.h> +#include <kstandarddirs.h> +#include <kprogress.h> + +// Local includes. + +#include "version.h" +#include "ddebug.h" +#include "dimg.h" +#include "imageiface.h" +#include "imagewidget.h" +#include "distortionfx.h" +#include "imageeffect_distortionfx.h" +#include "imageeffect_distortionfx.moc" + +namespace DigikamDistortionFXImagesPlugin +{ + +ImageEffect_DistortionFX::ImageEffect_DistortionFX(TQWidget* parent) + : Digikam::ImageGuideDlg(parent, i18n("Distortion Effects"), + "distortionfx", false, true, false, + Digikam::ImageGuideWidget::HVGuideMode) +{ + // About data and help button. + + TDEAboutData* about = new TDEAboutData("digikam", + I18N_NOOP("Distortion Effects"), + digikam_version, + I18N_NOOP("A digiKam image plugin to apply distortion effects to an image."), + TDEAboutData::License_GPL, + "(c) 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("Distortion algorithms"), + "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 distortion effect " + "applied to the photograph.") ); + + // ------------------------------------------------------------- + + TQWidget *gboxSettings = new TQWidget(plainPage()); + TQGridLayout* gridSettings = new TQGridLayout( gboxSettings, 5, 2, spacingHint()); + + m_effectTypeLabel = new TQLabel(i18n("Type:"), gboxSettings); + + m_effectType = new TQComboBox( false, gboxSettings ); + m_effectType->insertItem( i18n("Fish Eyes") ); + m_effectType->insertItem( i18n("Twirl") ); + m_effectType->insertItem( i18n("Cylindrical Hor.") ); + m_effectType->insertItem( i18n("Cylindrical Vert.") ); + m_effectType->insertItem( i18n("Cylindrical H/V.") ); + m_effectType->insertItem( i18n("Caricature") ); + m_effectType->insertItem( i18n("Multiple Corners") ); + m_effectType->insertItem( i18n("Waves Hor.") ); + m_effectType->insertItem( i18n("Waves Vert.") ); + m_effectType->insertItem( i18n("Block Waves 1") ); + m_effectType->insertItem( i18n("Block Waves 2") ); + m_effectType->insertItem( i18n("Circular Waves 1") ); + m_effectType->insertItem( i18n("Circular Waves 2") ); + m_effectType->insertItem( i18n("Polar Coordinates") ); + m_effectType->insertItem( i18n("Unpolar Coordinates") ); + m_effectType->insertItem( i18n("Tile") ); + TQWhatsThis::add( m_effectType, i18n("<p>Here, select the type of effect to apply to the image.<p>" + "<b>Fish Eyes</b>: warps the photograph around a 3D spherical shape to " + "reproduce the common photograph 'Fish Eyes' effect.<p>" + "<b>Twirl</b>: spins the photograph to produce a Twirl pattern.<p>" + "<b>Cylinder Hor.</b>: warps the photograph around a horizontal cylinder.<p>" + "<b>Cylinder Vert.</b>: warps the photograph around a vertical cylinder.<p>" + "<b>Cylinder H/V.</b>: warps the photograph around 2 cylinders, vertical " + "and horizontal.<p>" + "<b>Caricature</b>: distorts the photograph with the 'Fish Eyes' effect inverted.<p>" + "<b>Multiple Corners</b>: splits the photograph like a multiple corners pattern.<p>" + "<b>WavesQt Horizontal</b>: distorts the photograph with horizontal waves.<p>" + "<b>Waves Vertical</b>: distorts the photograph with vertical waves.<p>" + "<b>Block Waves 1</b>: divides the image into cells and makes it look as " + "if it is being viewed through glass blocks.<p>" + "<b>Block Waves 2</b>: like Block Waves 1 but with another version " + "of glass blocks distortion.<p>" + "<b>Circular Waves 1</b>: distorts the photograph with circular waves.<p>" + "<b>Circular Waves 2</b>: another variation of the Circular Waves effect.<p>" + "<b>Polar Coordinates</b>: converts the photograph from rectangular " + "to polar coordinates.<p>" + "<b>Unpolar Coordinates</b>: the Polar Coordinates effect inverted.<p>" + "<b>Tile</b>: splits the photograph into square blocks and moves " + "them randomly inside the image.<p>" + )); + gridSettings->addMultiCellWidget(m_effectTypeLabel, 0, 0, 0, 2); + gridSettings->addMultiCellWidget(m_effectType, 1, 1, 0, 2); + + m_levelLabel = new TQLabel(i18n("Level:"), gboxSettings); + m_levelInput = new KIntNumInput(gboxSettings); + m_levelInput->setRange(0, 100, 1, true); + TQWhatsThis::add( m_levelInput, i18n("<p>Set here the level of the effect.")); + + gridSettings->addMultiCellWidget(m_levelLabel, 2, 2, 0, 2); + gridSettings->addMultiCellWidget(m_levelInput, 3, 3, 0, 2); + + m_iterationLabel = new TQLabel(i18n("Iteration:"), gboxSettings); + m_iterationInput = new KIntNumInput(gboxSettings); + m_iterationInput->setRange(0, 100, 1, true); + TQWhatsThis::add( m_iterationInput, i18n("<p>This value controls the iterations to use for Waves, " + "Tile, and Neon effects.")); + + gridSettings->addMultiCellWidget(m_iterationLabel, 4, 4, 0, 2); + gridSettings->addMultiCellWidget(m_iterationInput, 5, 5, 0, 2); + + setUserAreaWidget(gboxSettings); + + // ------------------------------------------------------------- + + connect(m_effectType, TQ_SIGNAL(activated(int)), + this, TQ_SLOT(slotEffectTypeChanged(int))); + + connect(m_levelInput, TQ_SIGNAL(valueChanged(int)), + this, TQ_SLOT(slotTimer())); + + connect(m_iterationInput, TQ_SIGNAL(valueChanged(int)), + this, TQ_SLOT(slotTimer())); +} + +ImageEffect_DistortionFX::~ImageEffect_DistortionFX() +{ +} + +void ImageEffect_DistortionFX::renderingFinished() +{ + m_effectTypeLabel->setEnabled(true); + m_effectType->setEnabled(true); + m_levelInput->setEnabled(true); + m_levelLabel->setEnabled(true); + m_iterationInput->setEnabled(true); + m_iterationLabel->setEnabled(true); + + switch (m_effectType->currentItem()) + { + case DistortionFX::FishEye: + case DistortionFX::Twirl: + case DistortionFX::CilindricalHor: + case DistortionFX::CilindricalVert: + case DistortionFX::CilindricalHV: + case DistortionFX::Caricature: + case DistortionFX::MultipleCorners: + break; + + case DistortionFX::PolarCoordinates: + case DistortionFX::UnpolarCoordinates: + m_levelInput->setEnabled(false); + m_levelLabel->setEnabled(false); + break; + + case DistortionFX::WavesHorizontal: + case DistortionFX::WavesVertical: + case DistortionFX::BlockWaves1: + case DistortionFX::BlockWaves2: + case DistortionFX::CircularWaves1: + case DistortionFX::CircularWaves2: + case DistortionFX::Tile: + m_iterationInput->setEnabled(true); + m_iterationLabel->setEnabled(true); + break; + } +} + +void ImageEffect_DistortionFX::readUserSettings(void) +{ + TDEConfig *config = kapp->config(); + config->setGroup("distortionfx Tool Dialog"); + + m_effectType->blockSignals(true); + m_iterationInput->blockSignals(true); + m_levelInput->blockSignals(true); + + m_effectType->setCurrentItem(config->readNumEntry("EffectType", DistortionFX::FishEye)); + m_iterationInput->setValue(config->readNumEntry("IterationAjustment", 10)); + m_levelInput->setValue(config->readNumEntry("LevelAjustment", 50)); + + m_effectType->blockSignals(false); + m_iterationInput->blockSignals(false); + m_levelInput->blockSignals(false); + + slotEffect(); +} + +void ImageEffect_DistortionFX::writeUserSettings(void) +{ + TDEConfig *config = kapp->config(); + config->setGroup("distortionfx Tool Dialog"); + config->writeEntry("EffectType", m_effectType->currentItem()); + config->writeEntry("IterationAjustment", m_iterationInput->value()); + config->writeEntry("LevelAjustment", m_levelInput->value()); + config->sync(); +} + +void ImageEffect_DistortionFX::resetValues() +{ + m_effectType->blockSignals(true); + m_effectType->setCurrentItem(DistortionFX::FishEye); + slotEffectTypeChanged(DistortionFX::FishEye); + m_effectType->blockSignals(false); +} + +void ImageEffect_DistortionFX::slotEffectTypeChanged(int type) +{ + m_levelInput->setEnabled(true); + m_levelLabel->setEnabled(true); + + m_levelInput->blockSignals(true); + m_iterationInput->blockSignals(true); + m_levelInput->setRange(0, 100, 1, true); + m_levelInput->setValue(25); + + switch (type) + { + case DistortionFX::Twirl: + m_levelInput->setRange(-50, 50, 1, true); + m_levelInput->setValue(10); + break; + + case DistortionFX::FishEye: + case DistortionFX::CilindricalHor: + case DistortionFX::CilindricalVert: + case DistortionFX::CilindricalHV: + case DistortionFX::Caricature: + m_levelInput->setRange(0, 200, 1, true); + m_levelInput->setValue(50); + break; + + case DistortionFX::MultipleCorners: + m_levelInput->setRange(1, 10, 1, true); + m_levelInput->setValue(4); + break; + + case DistortionFX::WavesHorizontal: + case DistortionFX::WavesVertical: + case DistortionFX::BlockWaves1: + case DistortionFX::BlockWaves2: + case DistortionFX::CircularWaves1: + case DistortionFX::CircularWaves2: + case DistortionFX::Tile: + m_iterationInput->setEnabled(true); + m_iterationLabel->setEnabled(true); + m_iterationInput->setRange(0, 200, 1, true); + m_iterationInput->setValue(10); + break; + + case DistortionFX::PolarCoordinates: + case DistortionFX::UnpolarCoordinates: + m_levelInput->setEnabled(false); + m_levelLabel->setEnabled(false); + break; + } + + m_levelInput->blockSignals(false); + m_iterationInput->blockSignals(false); + + slotEffect(); +} + +void ImageEffect_DistortionFX::prepareEffect() +{ + m_effectTypeLabel->setEnabled(false); + m_effectType->setEnabled(false); + m_levelInput->setEnabled(false); + m_levelLabel->setEnabled(false); + m_iterationInput->setEnabled(false); + m_iterationLabel->setEnabled(false); + + int l = m_levelInput->value(); + int f = m_iterationInput->value(); + int e = m_effectType->currentItem(); + + Digikam::ImageIface* iface = m_imagePreviewWidget->imageIface(); + + uchar *data = iface->getPreviewImage(); + Digikam::DImg image(iface->previewWidth(), iface->previewHeight(), iface->previewSixteenBit(), + iface->previewHasAlpha(), data); + delete [] data; + + m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>( + new DistortionFX(&image, this, e, l, f)); +} + +void ImageEffect_DistortionFX::prepareFinal() +{ + m_effectTypeLabel->setEnabled(false); + m_effectType->setEnabled(false); + m_levelInput->setEnabled(false); + m_levelLabel->setEnabled(false); + m_iterationInput->setEnabled(false); + m_iterationLabel->setEnabled(false); + + int l = m_levelInput->value(); + int f = m_iterationInput->value(); + int e = m_effectType->currentItem(); + + Digikam::ImageIface iface(0, 0); + + m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>( + new DistortionFX(iface.getOriginalImg(), this, e, l, f)); +} + +void ImageEffect_DistortionFX::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_DistortionFX::putFinalData(void) +{ + Digikam::ImageIface iface(0, 0); + + iface.putOriginalImage(i18n("Distortion Effects"), + m_threadedFilter->getTargetImage().bits()); +} + +} // NameSpace DigikamDistortionFXImagesPlugin + |