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/* ============================================================
*
* 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 <kconfig.h>
#include <klocale.h>
#include <kcursor.h>
#include <kaboutdata.h>
#include <khelpmenu.h>
#include <kapplication.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.
KAboutData* about = new KAboutData("digikam",
I18N_NOOP("Distortion Effects"),
digikam_version,
I18N_NOOP("A digiKam image plugin to apply distortion effects to an image."),
KAboutData::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 tqshape 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>WavesQt::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, TQT_SIGNAL(activated(int)),
this, TQT_SLOT(slotEffectTypeChanged(int)));
connect(m_levelInput, TQT_SIGNAL(valueChanged(int)),
this, TQT_SLOT(slotTimer()));
connect(m_iterationInput, TQT_SIGNAL(valueChanged(int)),
this, TQT_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)
{
KConfig *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)
{
KConfig *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
|