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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "icondisplay.h"
#include "icon.h"
#include <QIcon>
#include <QPainter>
#include <QPixmap>
namespace Utils
{
class IconDisplayPrivate
{
public:
QIcon m_icon;
};
Utils::IconDisplay::IconDisplay(QWidget *parent) :
QWidget(parent),
d(std::make_unique<IconDisplayPrivate>())
{
setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
}
IconDisplay::~IconDisplay() = default;
void IconDisplay::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event)
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
painter.setRenderHint(QPainter::SmoothPixmapTransform);
qreal dpr = devicePixelRatio();
QSize actualSize = size();
auto px = d->m_icon.pixmap(actualSize, dpr);
px.setDevicePixelRatio(dpr);
QRect r(QPoint(0, 0), actualSize);
r.moveCenter(rect().center());
painter.drawPixmap(r, px);
}
QSize IconDisplay::sizeHint() const
{
if (d->m_icon.isNull())
return {};
if (auto sizes = d->m_icon.availableSizes(); !sizes.isEmpty())
return sizes.first();
return {};
}
void IconDisplay::setIcon(const Icon &icon)
{
d->m_icon = icon.icon();
update();
}
} // namespace Utils
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