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/* ============================================================
*
* This file is a part of kipi-plugins project
* http://www.digikam.org
*
* Date : 2011-09-01
* Description : a plugin to create photo layouts by fusion of several images.
* Acknowledge : based on the expoblending plugin
*
* Copyright (C) 2011 by Łukasz Spas <lukasz dot spas at gmail dot com>
* Copyright (C) 2009-2011 by Gilles Caulier <caulier dot gilles 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.
*
* ============================================================ */
#ifndef COLORIZEPHOTOEFFECT_H
#define COLORIZEPHOTOEFFECT_H
#include "AbstractPhotoEffectInterface.h"
#define COLOR_PROPERTY "Color"
namespace KIPIPhotoLayoutsEditor
{
class StandardEffectsFactory;
class ColorizePhotoEffect : public AbstractPhotoEffectInterface
{
Q_OBJECT
static QColor m_last_color;
QColor m_color;
public:
explicit ColorizePhotoEffect(StandardEffectsFactory * factory, QObject * parent = 0);
virtual QImage apply(const QImage & image) const;
virtual QString name() const;
virtual QString toString() const;
virtual operator QString() const;
virtual QString propertyName(const QMetaProperty & property) const
{
if (!QString("color").compare(property.name()))
return COLOR_PROPERTY;
return AbstractPhotoEffectInterface::propertyName(property);
}
virtual QVariant propertyValue(const QString & propertyName) const
{
if (propertyName == COLOR_PROPERTY)
return m_color;
return AbstractPhotoEffectInterface::propertyValue(propertyName);
}
virtual void setPropertyValue(const QString & propertyName, const QVariant & value)
{
if (COLOR_PROPERTY == propertyName)
this->setColor(value.value<QColor>());
else
AbstractPhotoEffectInterface::setPropertyValue(propertyName, value);
}
Q_PROPERTY(QColor color READ color WRITE setColor)
QColor color() const
{
return m_color;
}
void setColor(QColor color)
{
if (!color.isValid())
return;
m_color = color;
m_last_color = color;
this->propertiesChanged();
}
private:
static inline QImage colorized(const QImage & image, const QColor & color)
{
QImage result = image;
unsigned int pixels = result.width() * result.height();
unsigned int * data = (unsigned int *) result.bits();
for (unsigned int i = 0; i < pixels; ++i)
{
int val = qGray(data[i]);
data[i] = qRgb(val,val,val);
}
QPainter p(&result);
p.setCompositionMode(QPainter::CompositionMode_Overlay);
p.fillRect(result.rect(),color);
p.end();
return result;
}
friend class StandardEffectsFactory;
};
}
#endif // COLORIZEPHOTOEFFECT_H
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