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/***************************************************************************
* Copyright 2012 Viranch Mehta <viranch.mehta@gmail.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library General Public License *
* version 2 as published by the Free Software Foundation *
* *
* 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "kgimageprovider_p.h"
#include <QPainter>
#include <QGuiApplication>
#include <KgThemeProvider>
KgImageProvider::KgImageProvider(KgThemeProvider* prov) :
QQuickImageProvider(Image),
m_provider(prov)
{
reloadRenderer();
}
void KgImageProvider::reloadRenderer()
{
m_renderer.load(m_provider->currentTheme()->graphicsPath());
m_themeName = m_provider->currentThemeName();
}
QImage KgImageProvider::requestImage(const QString& source, QSize *size, const QSize& requestedSize)
{
Q_UNUSED(requestedSize); // this is always QSize(-1,-1) for some reason
QImage image;
const QStringList tokens = source.split(QStringLiteral("/"));
if (tokens.size() > 2) {
const QString theme = tokens[0];
const QString spriteKey = tokens[1];
const QStringList size = tokens[2].split(QStringLiteral("x"));
uint width = qRound(size[0].toDouble());
uint height = qRound(size[1].toDouble());
if (theme != m_themeName) {
reloadRenderer();
}
if (m_renderer.isValid()) {
if (width == 0 || height == 0) {
image = QImage(m_renderer.boundsOnElement(spriteKey).size().toSize()*qApp->devicePixelRatio(), QImage::Format_ARGB32_Premultiplied);
} else {
image = QImage(QSize(width, height)*qApp->devicePixelRatio(), QImage::Format_ARGB32_Premultiplied);
}
image.fill(Qt::transparent);
QPainter* painter = new QPainter(&image);
m_renderer.render(painter, spriteKey);
//this is deliberately set after .render as Qt <= 5.4 has a bug in QSVGRenderer which makes it not fill the image properly
image.setDevicePixelRatio(qApp->devicePixelRatio());
delete painter;
}
}
if (size) *size = image.size();
return image;
}
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