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/*
* SPDX-FileCopyrightText: 2014 Aleix Pol Gonzalez <aleixpol@blue-systems.com>
*
* SPDX-License-Identifier: LGPL-2.0-or-later
*/
#ifndef IMAGETEXTURESCACHE_H
#define IMAGETEXTURESCACHE_H
#include <QQuickWindow>
#include <QSharedPointer>
class QImage;
class QSGTexture;
struct ImageTexturesCachePrivate;
/**
* @short Helps to manage textures by creating images and reference counts them.
*
* Use this class as a factory for textures, when creating them from a QImage
* instance.
* Keeps track of all the created textures in a map between the QImage::cacheKey() and
* the cached texture until it gets de-referenced.
*
* @see ManagedTextureNode
*/
class ImageTexturesCache
{
public:
ImageTexturesCache();
~ImageTexturesCache();
/**
* @returns the texture for a given @p window and @p image.
*
* If an @p image id is the same as one already provided before, we won't create
* a new texture and return a shared pointer to the existing texture.
*/
QSharedPointer<QSGTexture> loadTexture(QQuickWindow *window, const QImage &image, QQuickWindow::CreateTextureOptions options);
QSharedPointer<QSGTexture> loadTexture(QQuickWindow *window, const QImage &image);
private:
QScopedPointer<ImageTexturesCachePrivate> d;
};
#endif // IMAGETEXTURESCACHE_H
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