File indexing completed on 2024-05-12 15:42:40

 /*
  *  SPDX-FileCopyrightText: 2020 Arjen Hiemstra <ahiemstra@heimr.nl>
  *
  *  SPDX-License-Identifier: LGPL-2.0-or-later
  */
 
 #pragma once
 
 #include <QColor>
 #include <QSGMaterial>
 #include <QSGMaterialShader>
 
 /**
  * A material rendering a rectangle with a shadow.
  *
  * This material uses a distance field shader to render a rectangle with a
  * shadow below it, optionally with rounded corners.
  */
 class ShadowedRectangleMaterial : public QSGMaterial
 {
 public:
     enum class ShaderType {
         Standard,
         LowPower,
     };
 
     ShadowedRectangleMaterial();
 
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     QSGMaterialShader *createShader() const override;
 #else
     QSGMaterialShader *createShader(QSGRendererInterface::RenderMode) const override;
 #endif
     QSGMaterialType *type() const override;
     int compare(const QSGMaterial *other) const override;
 
     QVector2D aspect = QVector2D{1.0, 1.0};
     float size = 0.0;
     QVector4D radius = QVector4D{0.0, 0.0, 0.0, 0.0};
     QColor color = Qt::white;
     QColor shadowColor = Qt::black;
     QVector2D offset;
     ShaderType shaderType = ShaderType::Standard;
 
     static QSGMaterialType staticType;
 };
 
 class ShadowedRectangleShader : public QSGMaterialShader
 {
 public:
     ShadowedRectangleShader(ShadowedRectangleMaterial::ShaderType shaderType);
 
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     char const *const *attributeNames() const override;
 
     void initialize() override;
     void updateState(const QSGMaterialShader::RenderState &state, QSGMaterial *newMaterial, QSGMaterial *oldMaterial) override;
 #else
     bool updateUniformData(QSGMaterialShader::RenderState &state, QSGMaterial *newMaterial, QSGMaterial *oldMaterial) override;
 #endif
 
 protected:
     void setShader(ShadowedRectangleMaterial::ShaderType shaderType, const QString &shader);
 
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 private:
     int m_matrixLocation = -1;
     int m_opacityLocation = -1;
     int m_aspectLocation = -1;
     int m_sizeLocation = -1;
     int m_radiusLocation = -1;
     int m_colorLocation = -1;
     int m_shadowColorLocation = -1;
     int m_offsetLocation = -1;
 #endif
 };