pixelgrid.h

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/*
    SPDX-FileCopyrightText: 2023 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include "kwin_export.h"
 
#include <QRect>
 
namespace KWin
{
 
KWIN_EXPORT inline QPoint snapToPixelGrid(const QPointF &point)
{
    return QPoint(std::round(point.x()), std::round(point.y()));
}
 
KWIN_EXPORT inline QPointF snapToPixelGridF(const QPointF &point)
{
    return QPointF(std::round(point.x()), std::round(point.y()));
}
 
KWIN_EXPORT inline QRect snapToPixelGrid(const QRectF &rect)
{
    const QPoint topLeft = snapToPixelGrid(rect.topLeft());
    const QPoint bottomRight = snapToPixelGrid(rect.bottomRight());
    return QRect(topLeft.x(), topLeft.y(), bottomRight.x() - topLeft.x(), bottomRight.y() - topLeft.y());
}
 
KWIN_EXPORT inline QRectF snapToPixelGridF(const QRectF &rect)
{
    return QRectF(snapToPixelGridF(rect.topLeft()), snapToPixelGridF(rect.bottomRight()));
}
 
} // namespace KWin