File indexing completed on 2025-01-12 04:00:37

 
 /*
    Copyright (c) 2003-2007 Clarence Dang <dang@kde.org>
    All rights reserved.
 
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:
 
    1. Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright
       notice, this list of conditions and the following disclaimer in the
       documentation and/or other materials provided with the distribution.
 
    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
    IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
 
 #define DEBUG_KP_EFFECT_INVERT 0
 
 
 #include "kpEffectInvertWidget.h"
 
 #include "imagelib/effects/kpEffectInvert.h"
 #include "commands/imagelib/effects/kpEffectInvertCommand.h"
 #include "pixmapfx/kpPixmapFX.h"
 
 #include "kpLogCategories.h"
 #include <KLocalizedString>
 
 #include <QCheckBox>
 #include <QVBoxLayout>
 
 kpEffectInvertWidget::kpEffectInvertWidget (bool actOnSelection,
                                             QWidget *parent)
     : kpEffectWidgetBase (actOnSelection, parent)
 {
     auto *topLevelLay = new QVBoxLayout (this);
     topLevelLay->setContentsMargins(0, 0, 0, 0);
 
     auto *centerWidget = new QWidget (this);
     topLevelLay->addWidget (centerWidget, 0/*stretch*/, Qt::AlignCenter);
 
     auto *centerWidgetLay = new QVBoxLayout (centerWidget );
     centerWidgetLay->setContentsMargins(0, 0, 0, 0);
 
     m_redCheckBox = new QCheckBox (i18n ("&Red"), centerWidget);
     m_greenCheckBox = new QCheckBox (i18n ("&Green"), centerWidget);
     m_blueCheckBox = new QCheckBox (i18n ("&Blue"), centerWidget);
 
     auto *spaceWidget = new QWidget (centerWidget);
     spaceWidget->setFixedSize (1, fontMetrics ().height () / 4);
 
     m_allCheckBox = new QCheckBox (i18n ("&All"), centerWidget);
 
 
     m_redCheckBox->setChecked (false);
     m_greenCheckBox->setChecked (false);
     m_blueCheckBox->setChecked (false);
 
     m_allCheckBox->setChecked (false);
 
 
     centerWidgetLay->addWidget (m_redCheckBox);
     centerWidgetLay->addWidget (m_greenCheckBox);
     centerWidgetLay->addWidget (m_blueCheckBox);
 
     centerWidgetLay->addWidget (spaceWidget);
 
     centerWidgetLay->addWidget (m_allCheckBox);
 
 
     m_inSignalHandler = false;
     connect (m_redCheckBox, &QCheckBox::toggled,
              this, &kpEffectInvertWidget::slotRGBCheckBoxToggled);
 
     connect (m_greenCheckBox, &QCheckBox::toggled,
              this, &kpEffectInvertWidget::slotRGBCheckBoxToggled);
 
     connect (m_blueCheckBox, &QCheckBox::toggled,
              this, &kpEffectInvertWidget::slotRGBCheckBoxToggled);
 
     connect (m_allCheckBox, &QCheckBox::toggled,
              this, &kpEffectInvertWidget::slotAllCheckBoxToggled);
 }
 
 kpEffectInvertWidget::~kpEffectInvertWidget () = default;
 
 
 // public
 int kpEffectInvertWidget::channels () const
 {
 #if DEBUG_KP_EFFECT_INVERT
     qCDebug(kpLogWidgets) << "kpEffectInvertWidget::channels()"
                << " isChecked: r=" << m_redCheckBox->isChecked ()
                << " g=" << m_greenCheckBox->isChecked ()
                << " b=" << m_blueCheckBox->isChecked ()
                << endl;
 #endif
 
     int channels = 0;
 
 
     if (m_redCheckBox->isChecked ()) {
         channels |= kpEffectInvert::Red;
     }
 
     if (m_greenCheckBox->isChecked ()) {
         channels |= kpEffectInvert::Green;
     }
 
     if (m_blueCheckBox->isChecked ()) {
         channels |= kpEffectInvert::Blue;
     }
 
 
 #if DEBUG_KP_EFFECT_INVERT
     qCDebug(kpLogWidgets) << "\treturning channels=" << (int *) channels;
 #endif
     return channels;
 }
 
 
 //
 // kpEffectInvertWidget implements kpEffectWidgetBase interface
 //
 
 // public virtual [base kpEffectWidgetBase]
 QString kpEffectInvertWidget::caption () const
 {
     return i18n ("Channels");
 }
 
 
 // public virtual [base kpEffectWidgetBase]
 bool kpEffectInvertWidget::isNoOp () const
 {
     return (channels () == kpEffectInvert::None);
 }
 
 // public virtual [base kpEffectWidgetBase]
 kpImage kpEffectInvertWidget::applyEffect (const kpImage &image)
 {
     return kpEffectInvert::applyEffect (image, channels ());
 }
 
 
 // public virtual [base kpEffectWidgetBase]
 kpEffectCommandBase *kpEffectInvertWidget::createCommand (
         kpCommandEnvironment *cmdEnviron) const
 {
     return new kpEffectInvertCommand (channels (),
                                       m_actOnSelection,
                                       cmdEnviron);
 }
 
 
 // protected slots
 void kpEffectInvertWidget::slotRGBCheckBoxToggled ()
 {
     if (m_inSignalHandler) {
         return;
     }
 
     m_inSignalHandler = true;
 
     //blockSignals (true);
     m_allCheckBox->setChecked (m_redCheckBox->isChecked () &&
                                m_blueCheckBox->isChecked () &&
                                m_greenCheckBox->isChecked ());
     //blockSignals (false);
 
     Q_EMIT settingsChanged ();
 
     m_inSignalHandler = false;
 }
 
 // protected slot
 void kpEffectInvertWidget::slotAllCheckBoxToggled ()
 {
     if (m_inSignalHandler) {
         return;
     }
 
     m_inSignalHandler = true;
 
     //blockSignals (true);
     m_redCheckBox->setChecked (m_allCheckBox->isChecked ());
     m_greenCheckBox->setChecked (m_allCheckBox->isChecked ());
     m_blueCheckBox->setChecked (m_allCheckBox->isChecked ());
     //blockSignals (false);
 
     Q_EMIT settingsChanged ();
 
     m_inSignalHandler = false;
 }
 
 #include "moc_kpEffectInvertWidget.cpp"