dynamictexturedata.h

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++ // Copyright (C) 2020 The Qt Company Ltd.

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

++

++ #ifndef DYNAMICTEXTUREDATA_H

++ #define DYNAMICTEXTUREDATA_H

++

++ #include <QtQuick3D/QQuick3DTextureData>

++

++ class DynamicTextureData : public QQuick3DTextureData

++ {

++     Q_OBJECT

++     QML_NAMED_ELEMENT(DynamicTextureData)

++ public:

++     DynamicTextureData();

++

++ public Q_SLOTS:

++     void generateRGBA8Texture();

++     void generateRGBE8Texture();

++     void generateRGBA32FTexture();

++

++ private:

++     struct LinearColor {

++         float r = 0.0f;

++         float g = 0.0f;

++         float b = 0.0f;

++         float a = 0.0f;

++         LinearColor(const QColor &color);

++         LinearColor() {}

++

++         LinearColor interpolate(const LinearColor &color, float value) const;

++         LinearColor blend(const LinearColor &color) const;

++         quint32 toRGBE8() const;

++     };

++     static void generateHDRTexture(int width, int height, QByteArray &imageData, bool isRGBE);

++ };

++

++ #endif // DYNAMICTEXTUREDATA_H