qcanvascustombrush_p.h

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// Copyright (C) 2025 The Qt Company Ltd.

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

// Qt-Security score:significant reason:default

#ifndef QCANVASCUSTOMBRUSH_P_H

#define QCANVASCUSTOMBRUSH_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 "qcanvasbrush_p.h"

#include "qcanvascustombrush.h"

#include <QtCore/qshareddata.h>

#include <qvectornd.h>

#include <rhi/qshader.h>

QT_BEGIN_NAMESPACE

class QCanvasCustomBrushPrivate : public QCanvasBrushPrivate

public:

    QCanvasCustomBrushPrivate() : QCanvasBrushPrivate(QCanvasBrush::BrushType::Custom) {}

    QCanvasCustomBrushPrivate(const QCanvasCustomBrushPrivate&) = default;

    QCanvasBrushPrivate *clone() override;

    bool equals(const QCanvasBrushPrivate &other) const noexcept override;

    QCPaint createPaint(QCanvasPainter *painter) const override;

    static QCanvasCustomBrushPrivate *get(QCanvasCustomBrush *brush)

    { return brush->d.data(); }

    static const QCanvasCustomBrushPrivate *get(const QCanvasCustomBrush *brush)

    { return brush->d.data(); }

    static QCanvasCustomBrushPrivate *get(QCanvasCustomBrush &brush)

    { return brush.d.data(); }

    static const QCanvasCustomBrushPrivate *get(const QCanvasCustomBrush &brush)

    { return brush.d.data(); }

    static QCanvasCustomBrush create(QCanvasCustomBrushPrivate *p) { return QCanvasCustomBrush(p); }

    static QCanvasCustomBrush getFromCanvasBrush(const QCanvasBrush &brush)

        Q_ASSERT(brush.type() == QCanvasBrush::BrushType::Custom);

        return create(static_cast<QCanvasCustomBrushPrivate *>(QCanvasBrushPrivate::get(brush)));

    struct CommonUniforms {

        // Total size 112 + 112 = 224 bytes.

        // Built-in variables size is 112 bytes

        float scissorMat[12]; // matrices are actually 3 vec4s

        float scissorExt[2];

        float scissorScale[2];

        float alphaMult;

        float strokeThr;

        float fontAlphaMin;

        float fontAlphaMax;

        float colorEffects[4];

        int texType;

        int type;

        float globalAlpha;

        int unusedInt;

        // Custom input size is 112 bytes.

        float iTime;

        int alphaIsRed;

        // Take into use when needed

        int unused1;

        float unused3;

        QVector4D data[4];

        // Take these into use when needed

        float unused2[8];

};

    QShader fragmentShader;

    QShader vertexShader;

    bool timeRunning = false;

    float time = 0;

    QVector4D data[4];

};

QT_END_NAMESPACE

#endif // QCANVASCUSTOMBRUSH_P_H