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support/include/RoundedRectangleShape.hpp

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+//
+// This software is provided 'as-is', without any express or implied warranty.
+// In no event will the authors be held liable for any damages arising from the
+// use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented;
+// you must not claim that you wrote the original software.
+// If you use this software in a product, an acknowledgment
+// in the product documentation would be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such,
+// and must not be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source distribution.
+//
+////////////////////////////////////////////////////////////
+
+#ifndef ROUNDEDRECTANGLESHAPE_HPP
+#define ROUNDEDRECTANGLESHAPE_HPP
+#if defined(PROJECT_ENABLE_SFML)
+
+////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////
+// Headers
+////////////////////////////////////////////////////////////
+#include <SFML/Graphics/Shape.hpp>
+
+namespace sf {
+////////////////////////////////////////////////////////////
+/// \brief Specialized shape representing a rectangle
+/// with rounded corners
+////////////////////////////////////////////////////////////
+class RoundedRectangleShape : public sf::Shape {
+public:
+  ////////////////////////////////////////////////////////////
+  /// \brief Default constructor
+  ///
+  /// \param size Size of the rectangle
+  /// \param radius Radius for each rounded corner
+  /// \param cornerPointCount Number of points of each corner
+  ///
+  ////////////////////////////////////////////////////////////
+  explicit RoundedRectangleShape(const Vector2f &size = Vector2f(0, 0),
+                                 float radius = 0,
+                                 unsigned int cornerPointCount = 0);
+
+  ////////////////////////////////////////////////////////////
+  /// \brief Set the size of the rounded rectangle
+  ///
+  /// \param size New size of the rounded rectangle
+  ///
+  /// \see getSize
+  ///
+  ////////////////////////////////////////////////////////////
+  void setSize(const Vector2f &size);
+
+  ////////////////////////////////////////////////////////////
+  /// \brief Get the size of the rounded rectangle
+  ///
+  /// \return Size of the rounded rectangle
+  ///
+  /// \see setSize
+  ///
+  ////////////////////////////////////////////////////////////
+  const Vector2f &getSize() const;
+
+  ////////////////////////////////////////////////////////////
+  /// \brief Set the radius of the rounded corners
+  ///
+  /// \param radius Radius of the rounded corners
+  ///
+  /// \see getCornersRadius
+  ///
+  ////////////////////////////////////////////////////////////
+  void setCornersRadius(float radius);
+
+  ////////////////////////////////////////////////////////////
+  /// \brief Get the radius of the rounded corners
+  ///
+  /// \return Radius of the rounded corners
+  ///
+  /// \see setCornersRadius
+  ///
+  ////////////////////////////////////////////////////////////
+  float getCornersRadius() const;
+
+  ////////////////////////////////////////////////////////////
+  /// \brief Set the number of points of each corner
+  ///
+  /// \param count New number of points of the rounded rectangle
+  ///
+  /// \see getPointCount
+  ///
+  ////////////////////////////////////////////////////////////
+  void setCornerPointCount(unsigned int count);
+
+  ////////////////////////////////////////////////////////////
+  /// \brief Get the number of points defining the rounded rectangle
+  ///
+  /// \return Number of points of the rounded rectangle
+  ///
+  ////////////////////////////////////////////////////////////
+  virtual std::size_t getPointCount() const;
+
+  ////////////////////////////////////////////////////////////
+  /// \brief Get a point of the rounded rectangle
+  ///
+  /// The result is undefined if \a index is out of the valid range.
+  ///
+  /// \param index Index of the point to get, in range [0 .. GetPointCount() -
+  /// 1]
+  ///
+  /// \return Index-th point of the shape
+  ///
+  ////////////////////////////////////////////////////////////
+  virtual sf::Vector2f getPoint(std::size_t index) const;
+
+private:
+  ////////////////////////////////////////////////////////////
+  // Member data
+  ////////////////////////////////////////////////////////////
+  Vector2f mySize;
+  float myRadius;
+  unsigned int myCornerPointCount;
+};
+} // namespace sf
+
+#endif // defined(PROJECT_ENABLE_SFML)
+#endif // ROUNDEDRECTANGLESHAPE_HPP
+
+////////////////////////////////////////////////////////////
+/// \class sf::RoundedRectangleShape
+/// \ingroup graphics
+///
+/// This class inherits all the functions of sf::Transformable
+/// (position, rotation, scale, bounds, ...) as well as the
+/// functions of sf::Shape (outline, color, texture, ...).
+///
+/// Usage example:
+/// \code
+/// sf::RoundedRectangleShape roundedRectangle;
+/// rectangle.setSize(sf::Vector2f(100, 50));
+/// rectangle.setCornersRadius(5);
+/// rectangle.setOutlineThickness(5);
+/// rectangle.setPosition(10, 20);
+/// ...
+/// window.draw(rectangle);
+/// \endcode
+///
+/// \see sf::Shape, sf::CircleShape, sf::ConvexShape
+///
+////////////////////////////////////////////////////////////