ZoneLabelTexture.h

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// SPDX-FileCopyrightText: 2026 fuddlesworth
// SPDX-License-Identifier: LGPL-2.1-or-later
 
#pragma once
 
#include <PhosphorRendering/phosphorrendering_export.h>
 
#include <QImage>
#include <QMetaType>
#include <QPoint>
#include <QSize>
#include <QVector>
 
namespace PhosphorRendering {
 
struct ZoneLabelTile
{
    QImage image; 
    QPoint dest; 
 
    bool operator==(const ZoneLabelTile& other) const
    {
        // dest first: a cheap mismatch short-circuits the deep QImage pixel
        // compare in the common "tiles moved" case.
        return dest == other.dest && image == other.image;
    }
    bool operator!=(const ZoneLabelTile& other) const
    {
        return !(*this == other);
    }
};
 
struct ZoneLabelTexture
{
    QSize size; 
    QVector<ZoneLabelTile> tiles; 
 
    bool isEmpty() const
    {
        return tiles.isEmpty() || size.isEmpty();
    }
 
    bool operator==(const ZoneLabelTexture& other) const
    {
        return size == other.size && tiles == other.tiles;
    }
    bool operator!=(const ZoneLabelTexture& other) const
    {
        return !(*this == other);
    }
 
    PHOSPHORRENDERING_EXPORT QImage toImage() const;
 
    PHOSPHORRENDERING_EXPORT static ZoneLabelTexture fromImage(const QImage& image);
};
 
} // namespace PhosphorRendering
 
Q_DECLARE_METATYPE(PhosphorRendering::ZoneLabelTexture)