qquickshadereffectsource_p.h

Enable keyboard shortcuts

// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QQUICKSHADEREFFECTSOURCE_P_H

#define QQUICKSHADEREFFECTSOURCE_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <QtQuick/private/qtquickglobal_p.h>

QT_REQUIRE_CONFIG(quick_shadereffect);

#include "qquickitem.h"

#include <QtQuick/qsgtextureprovider.h>

#include <private/qsgadaptationlayer_p.h>

#include <QtQuick/private/qsgcontext_p.h>

#include <private/qsgdefaultinternalimagenode_p.h>

#include <private/qquickitemchangelistener_p.h>

#include "qpointer.h"

#include "qsize.h"

#include "qrect.h"

QT_BEGIN_NAMESPACE

class QSGNode;

class UpdatePaintNodeData;

class QOpenGLFramebufferObject;

class QSGSimpleRectNode;

class QQuickShaderEffectSourceTextureProvider;

class Q_QUICK_EXPORT QQuickShaderEffectSource : public QQuickItem,

                                                public QSafeQuickItemChangeListener<QQuickShaderEffectSource>

    Q_OBJECT

    Q_PROPERTY(WrapMode wrapMode READ wrapMode WRITE setWrapMode NOTIFY wrapModeChanged)

    Q_PROPERTY(QQuickItem *sourceItem READ sourceItem WRITE setSourceItem NOTIFY sourceItemChanged)

    Q_PROPERTY(QRectF sourceRect READ sourceRect WRITE setSourceRect NOTIFY sourceRectChanged)

    Q_PROPERTY(QSize textureSize READ textureSize WRITE setTextureSize NOTIFY textureSizeChanged)

    Q_PROPERTY(Format format READ format WRITE setFormat NOTIFY formatChanged)

    Q_PROPERTY(bool live READ live WRITE setLive NOTIFY liveChanged)

    Q_PROPERTY(bool hideSource READ hideSource WRITE setHideSource NOTIFY hideSourceChanged)

    Q_PROPERTY(bool mipmap READ mipmap WRITE setMipmap NOTIFY mipmapChanged)

    Q_PROPERTY(bool recursive READ recursive WRITE setRecursive NOTIFY recursiveChanged)

    Q_PROPERTY(TextureMirroring textureMirroring READ textureMirroring WRITE setTextureMirroring NOTIFY textureMirroringChanged REVISION(2, 6))

    Q_PROPERTY(int samples READ samples WRITE setSamples NOTIFY samplesChanged REVISION(2, 9))

    QML_NAMED_ELEMENT(ShaderEffectSource)

    QML_ADDED_IN_VERSION(2, 0)

public:

    enum WrapMode {

        ClampToEdge,

        RepeatHorizontally,

        RepeatVertically,

        Repeat

};

    Q_ENUM(WrapMode)

    enum Format {

        RGBA8 = 1,

        RGBA16F,

        RGBA32F,

        // Qt 5 legacy values that were ignored starting from Qt 6.0

        Alpha = RGBA8,

        RGB = RGBA8,

        RGBA = RGBA8

};

    Q_ENUM(Format)

    enum TextureMirroring {

        NoMirroring        = 0x00,

        MirrorHorizontally = 0x01,

        MirrorVertically   = 0x02

};

    Q_ENUM(TextureMirroring)

    QQuickShaderEffectSource(QQuickItem *parent = nullptr);

    ~QQuickShaderEffectSource() override;

    WrapMode wrapMode() const;

    void setWrapMode(WrapMode mode);

    QQuickItem *sourceItem() const;

    void setSourceItem(QQuickItem *item);

    QRectF sourceRect() const;

    void setSourceRect(const QRectF &rect);

    QSize textureSize() const;

    void setTextureSize(const QSize &size);

    Format format() const;

    void setFormat(Format format);

    bool live() const;

    void setLive(bool live);

    bool hideSource() const;

    void setHideSource(bool hide);

    bool mipmap() const;

    void setMipmap(bool enabled);

    bool recursive() const;

    void setRecursive(bool enabled);

    TextureMirroring textureMirroring() const;

    void setTextureMirroring(TextureMirroring mirroring);

    bool isTextureProvider() const override { return true; }

    QSGTextureProvider *textureProvider() const override;

    Q_INVOKABLE void scheduleUpdate();

    int samples() const;

    void setSamples(int count);

Q_SIGNALS:

    void wrapModeChanged();

    void sourceItemChanged();

    void sourceRectChanged();

    void textureSizeChanged();

    void formatChanged();

    void liveChanged();

    void hideSourceChanged();

    void mipmapChanged();

    void recursiveChanged();

    void textureMirroringChanged();

    void samplesChanged();

    void scheduledUpdateCompleted();

private Q_SLOTS:

    void sourceItemDestroyed(QObject *item);

    void invalidateSceneGraph();

protected:

    void releaseResources() override;

    QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override;

    void itemGeometryChanged(QQuickItem *item, QQuickGeometryChange change, const QRectF &) override;

    void itemChange(ItemChange change, const ItemChangeData &value) override;

private:

    void ensureTexture();

    QQuickShaderEffectSourceTextureProvider *m_provider;

    QSGLayer *m_texture;

    WrapMode m_wrapMode;

    QQuickItem *m_sourceItem;

    QRectF m_sourceRect;

    QSize m_textureSize;

    Format m_format;

    int m_samples;

    uint m_live : 1;

    uint m_hideSource : 1;

    uint m_mipmap : 1;

    uint m_recursive : 1;

    uint m_grab : 1;

    uint m_textureMirroring : 2; // Stores TextureMirroring enum

};

QT_END_NAMESPACE

#endif // QQUICKSHADEREFFECTSOURCE_P_H