AutotileLayoutSource.h

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// SPDX-FileCopyrightText: 2026 fuddlesworth
// SPDX-License-Identifier: LGPL-2.1-or-later
 
#pragma once
 
#include <phosphortiles_export.h>
 
// Back-compat include: previewFromAlgorithm(...) used to be declared here;
// it now lives in AutotilePreviewRender.h. Keep the include so existing
// consumers that only included <PhosphorTiles/AutotileLayoutSource.h>
// continue to pick up the free functions without modification.
#include <PhosphorTiles/AutotilePreviewRender.h>
 
#include <PhosphorLayoutApi/ILayoutSource.h>
#include <PhosphorLayoutApi/LayoutPreview.h>
 
#include <QHash>
#include <QMutex>
#include <QStringList>
 
namespace PhosphorTiles {
class ITileAlgorithmRegistry;
class TilingAlgorithm;
} // namespace PhosphorTiles
 
namespace PhosphorTiles {
 
class PHOSPHORTILES_EXPORT AutotileLayoutSource : public PhosphorLayout::ILayoutSource
{
    Q_OBJECT
public:
    explicit AutotileLayoutSource(PhosphorTiles::ITileAlgorithmRegistry* registry, QObject* parent = nullptr);
    ~AutotileLayoutSource() override;
 
    QVector<PhosphorLayout::LayoutPreview> availableLayouts() const override;
 
    PhosphorLayout::LayoutPreview previewAt(const QString& id,
                                            int windowCount = PhosphorLayout::DefaultPreviewWindowCount,
                                            const QSize& canvas = {}) override;
 
    void invalidateCache();
 
private:
    void insertCacheEntry(const QString& key, const PhosphorLayout::LayoutPreview& preview) const;
 
    PhosphorTiles::ITileAlgorithmRegistry* m_registry;
    mutable QHash<QString, PhosphorLayout::LayoutPreview> m_cache;
    mutable QStringList m_cacheOrder;
    mutable QMutex m_cacheMutex;
};
 
} // namespace PhosphorTiles