File indexing completed on 2024-04-21 05:26:14

 /*
  * SPDX-FileCopyrightText: 2018 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #pragma once
 
 // Qt
 #include <QColor>
 #include <QImage>
 #include <QPoint>
 #include <QSize>
 
 namespace Breeze
 {
 class BoxShadowRenderer
 {
 public:
     // Compiler generated constructors & destructor are fine.
 
     /**
      * Set the size of the box.
      * @param size The size of the box.
      **/
     void setBoxSize(const QSize &size);
 
     /**
      * Set the radius of box' corners.
      * @param radius The border radius, in pixels.
      **/
     void setBorderRadius(qreal radius);
 
     /**
      * Add a shadow.
      * @param offset The offset of the shadow.
      * @param radius The blur radius.
      * @param color The color of the shadow.
      **/
     void addShadow(const QPoint &offset, int radius, const QColor &color);
 
     /**
      * Render the shadow.
      **/
     QImage render() const;
 
     /**
      * Calculate the minimum size of the box.
      *
      * This helper computes the minimum size of the box so the shadow behind it has
      * full its strength.
      *
      * @param radius The blur radius of the shadow.
      **/
     static QSize calculateMinimumBoxSize(int radius);
 
     /**
      * Calculate the minimum size of the shadow texture.
      *
      * This helper computes the minimum size of the resulting texture so the shadow
      * is not clipped.
      *
      * @param boxSize The size of the box.
      * @param radius The blur radius.
      * @param offset The offset of the shadow.
      **/
     static QSize calculateMinimumShadowTextureSize(const QSize &boxSize, int radius, const QPoint &offset);
 
 private:
     QSize m_boxSize;
     qreal m_borderRadius = 0.0;
 
     struct Shadow {
         QPoint offset;
         int radius;
         QColor color;
     };
 
     QVector<Shadow> m_shadows;
 };
 
 } // namespace Breeze