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/* This file is part of the KDE project
* Copyright (c) 2009 Jan Hambrecht <jaham@gmx.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "FloodEffect.h"
#include "KoFilterEffectRenderContext.h"
#include "KoViewConverter.h"
#include "KoXmlWriter.h"
#include "KoXmlReader.h"
#include <klocalizedstring.h>
#include <QPainter>
FloodEffect::FloodEffect()
: KoFilterEffect(FloodEffectId, i18n("Flood fill"))
, m_color(Qt::black)
{
}
QColor FloodEffect::floodColor() const
{
return m_color;
}
void FloodEffect::setFloodColor(const QColor &color)
{
m_color = color;
}
QImage FloodEffect::processImage(const QImage &image, const KoFilterEffectRenderContext &context) const
{
QImage result = image;
QPainter painter(&result);
painter.fillRect(context.filterRegion(), m_color);
return result;
}
bool FloodEffect::load(const KoXmlElement &element, const KoFilterEffectLoadingContext &)
{
if (element.tagName() != id())
return false;
m_color = Qt::black;
if (element.hasAttribute("flood-color")) {
QString colorStr = element.attribute("flood-color").trimmed();
if (colorStr.startsWith(QLatin1String("rgb("))) {
QStringList channels = colorStr.mid(4, colorStr.length() - 5).split(',');
float r = channels[0].toDouble();
if (channels[0].contains('%'))
r /= 100.0;
else
r /= 255.0;
float g = channels[1].toDouble();
if (channels[1].contains('%'))
g /= 100.0;
else
g /= 255.0;
float b = channels[2].toDouble();
if (channels[2].contains('%'))
b /= 100.0;
else
b /= 255.0;
m_color.setRgbF(r, g, b);
} else {
m_color.setNamedColor(colorStr);
}
// TODO: add support for currentColor
}
if (element.hasAttribute("flood-opacity"))
m_color.setAlphaF(element.attribute("flood-opacity").toDouble());
return true;
}
void FloodEffect::save(KoXmlWriter &writer)
{
writer.startElement(FloodEffectId);
saveCommonAttributes(writer);
writer.addAttribute("flood-color", m_color.name());
if (m_color.alpha() < 255)
writer.addAttribute("flood-opacity", QString("%1").arg(m_color.alphaF()));
writer.endElement();
}
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