dde-dock/frame/util/themeappicon.cpp
石博文 71ccbcef83 update license
Change-Id: I90da53ccbbd08d5195469fdfe6ff98fc630d0b34
2017-09-18 14:33:44 +08:00

84 lines
2.1 KiB
C++

/*
* Copyright (C) 2011 ~ 2017 Deepin Technology Co., Ltd.
*
* Author: sbw <sbw@sbw.so>
*
* Maintainer: sbw <sbw@sbw.so>
*
* 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 "themeappicon.h"
#include <QIcon>
#include <QFile>
#include <QDebug>
#include <QApplication>
ThemeAppIcon::ThemeAppIcon(QObject *parent) : QObject(parent)
{
}
ThemeAppIcon::~ThemeAppIcon()
{
}
const QPixmap ThemeAppIcon::getIcon(const QString iconName, const int size)
{
const auto ratio = qApp->devicePixelRatio();
const int s = int(size * ratio) & ~1;
QPixmap pixmap;
do {
if (iconName.startsWith("data:image/"))
{
const QStringList strs = iconName.split("base64,");
if (strs.size() == 2)
pixmap.loadFromData(QByteArray::fromBase64(strs.at(1).toLatin1()));
if (!pixmap.isNull())
break;
}
if (QFile::exists(iconName))
{
pixmap = QPixmap(iconName);
if (!pixmap.isNull())
break;
}
const QIcon icon = QIcon::fromTheme(iconName, QIcon::fromTheme("application-x-desktop"));
pixmap = icon.pixmap(QSize(s, s));
if (!pixmap.isNull())
break;
pixmap = QPixmap(":/icons/resources/application-x-desktop.svg");
if (!pixmap.isNull())
break;
Q_UNREACHABLE();
} while (false);
pixmap = pixmap.scaled(s, s, Qt::KeepAspectRatio, Qt::SmoothTransformation);
pixmap.setDevicePixelRatio(ratio);
return pixmap;
}