You've already forked ukui-greeter
mirror of
https://github.com/ukui/ukui-greeter.git
synced 2026-03-09 09:25:38 -07:00
yanghao
68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
/* globalv.cpp
|
|
* Copyright (C) 2018 Tianjin KYLIN Information Technology Co., Ltd.
|
|
*
|
|
* 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
|
|
* 02110-1301, USA.
|
|
**/
|
|
#include "globalv.h"
|
|
|
|
#include <QDebug>
|
|
#include <QPixmap>
|
|
#include <QProcess>
|
|
#include <QPainter>
|
|
#include <QtSvg/QSvgRenderer>
|
|
|
|
/**
|
|
* @brief scaledPixmap
|
|
* @param width
|
|
* @param height
|
|
* @param url
|
|
* @return
|
|
* 图片缩放
|
|
*/
|
|
QPixmap scaledPixmap(int width, int height, QString url)
|
|
{
|
|
QFile imgFile(url);
|
|
if(!imgFile.exists()){
|
|
qDebug()<< "not find the pixmap file";
|
|
return QPixmap();
|
|
}
|
|
QImage image(url);
|
|
QPixmap pixmap = QPixmap::fromImage(image);
|
|
if(pixmap.isNull()) {
|
|
qDebug() << "pixmap is null";
|
|
QProcess exec;
|
|
QString program("file " + url);
|
|
exec.start(program);
|
|
exec.waitForFinished(1000);
|
|
QString output = exec.readAllStandardOutput();
|
|
qDebug() << output;
|
|
if(output.contains("SVG")){
|
|
qDebug() << "image format is SVG";
|
|
QSvgRenderer render(url);
|
|
QImage image(width, height, QImage::Format_ARGB32);
|
|
image.fill(Qt::transparent);
|
|
QPainter painter(&image);
|
|
render.render(&painter, image.rect());
|
|
pixmap.convertFromImage(image);
|
|
} else if(output.contains("TIFF")) {
|
|
qDebug() << "image format is TIFF";
|
|
|
|
}
|
|
}
|
|
|
|
return pixmap.scaled(width, height, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
|
|
}
|