VertexArray.hpp

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//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2024 Laurent Gomila (laurent@sfml-dev.org)
//
// 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.
//
 
#pragma once

// Headers
#include <SFML/Graphics/Export.hpp>
 
#include <SFML/Graphics/Drawable.hpp>
#include <SFML/Graphics/PrimitiveType.hpp>
#include <SFML/Graphics/Rect.hpp>
#include <SFML/Graphics/RenderStates.hpp>
#include <SFML/Graphics/Vertex.hpp>
 
#include <vector>
 
#include <cstddef>
 
 
namespace sf
{
class RenderTarget;

class SFML_GRAPHICS_API VertexArray : public Drawable
{
public:
    VertexArray() = default;

    explicit VertexArray(PrimitiveType type, std::size_t vertexCount = 0);

    [[nodiscard]] std::size_t getVertexCount() const;

    [[nodiscard]] Vertex& operator[](std::size_t index);

    [[nodiscard]] const Vertex& operator[](std::size_t index) const;

    void clear();

    void resize(std::size_t vertexCount);

    void append(const Vertex& vertex);

    void setPrimitiveType(PrimitiveType type);

    [[nodiscard]] PrimitiveType getPrimitiveType() const;

    [[nodiscard]] FloatRect getBounds() const;
 
private:
    void draw(RenderTarget& target, RenderStates states) const override;

    // Member data
    std::vector<Vertex> m_vertices;                             
    PrimitiveType       m_primitiveType{PrimitiveType::Points}; 
};
 
} // namespace sf