utils.cpp

/*
 * Copyright (C) 2017 ~ 2018 Deepin Technology Co., Ltd.
 *
 * Author:     rekols <rekols@foxmail.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 3 of the License, or
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "utils.h"
#include <QApplication>
#include <QImageReader>
#include <QFile>
#include <QPixmap>

Utils::Utils(QObject *parent)
    : QObject(parent)
{

}

Utils::~Utils()
{
}

QString Utils::getQssContent(const QString &filePath)
{
    QFile file(filePath);
    file.open(QIODevice::ReadOnly);

    QString content = file.readAll();
    file.close();

    return content;
}

QPixmap Utils::renderSVG(const QString &path, const QSize &size)
{
    QImageReader reader;
    QPixmap pixmap;
    reader.setFileName(path);
    if (reader.canRead()) {
        const qreal ratio = qApp->devicePixelRatio();
        reader.setScaledSize(size * ratio);
        pixmap = QPixmap::fromImage(reader.read());
        pixmap.setDevicePixelRatio(ratio);
    }
    else {
        pixmap.load(path);
    }
    return pixmap;
}