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VertexArray.hpp
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1
2//
3// SFML - Simple and Fast Multimedia Library
4// Copyright (C) 2007-2024 Laurent Gomila (laurent@sfml-dev.org)
5//
6// This software is provided 'as-is', without any express or implied warranty.
7// In no event will the authors be held liable for any damages arising from the use of this software.
8//
9// Permission is granted to anyone to use this software for any purpose,
10// including commercial applications, and to alter it and redistribute it freely,
11// subject to the following restrictions:
12//
13// 1. The origin of this software must not be misrepresented;
14// you must not claim that you wrote the original software.
15// If you use this software in a product, an acknowledgment
16// in the product documentation would be appreciated but is not required.
17//
18// 2. Altered source versions must be plainly marked as such,
19// and must not be misrepresented as being the original software.
20//
21// 3. This notice may not be removed or altered from any source distribution.
22//
24
25#pragma once
26
28// Headers
30#include <SFML/Graphics/Export.hpp>
31
32#include <SFML/Graphics/Drawable.hpp>
33#include <SFML/Graphics/PrimitiveType.hpp>
34#include <SFML/Graphics/Rect.hpp>
35#include <SFML/Graphics/RenderStates.hpp>
36#include <SFML/Graphics/Vertex.hpp>
37
38#include <vector>
39
40#include <cstddef>
41
42
43namespace sf
44{
45class RenderTarget;
46
51class SFML_GRAPHICS_API VertexArray : public Drawable
52{
53public:
60 VertexArray() = default;
61
69 explicit VertexArray(PrimitiveType type, std::size_t vertexCount = 0);
70
77 [[nodiscard]] std::size_t getVertexCount() const;
78
93 [[nodiscard]] Vertex& operator[](std::size_t index);
94
109 [[nodiscard]] const Vertex& operator[](std::size_t index) const;
110
120 void clear();
121
134 void resize(std::size_t vertexCount);
135
142 void append(const Vertex& vertex);
143
157 void setPrimitiveType(PrimitiveType type);
158
165 [[nodiscard]] PrimitiveType getPrimitiveType() const;
166
176 [[nodiscard]] FloatRect getBounds() const;
177
178private:
186 void draw(RenderTarget& target, RenderStates states) const override;
187
189 // Member data
191 std::vector<Vertex> m_vertices;
192 PrimitiveType m_primitiveType{PrimitiveType::Points};
193};
194
195} // namespace sf
196
197
SFML_GRAPHICS_API
#define SFML_GRAPHICS_API
Definition Graphics/Export.hpp:42
sf::Drawable
Abstract base class for objects that can be drawn to a render target.
Definition Drawable.hpp:44
sf::RenderTarget
Base class for all render targets (window, texture, ...)
Definition RenderTarget.hpp:63
sf::VertexArray
Set of one or more 2D primitives.
Definition VertexArray.hpp:52
sf::VertexArray::resize
void resize(std::size_t vertexCount)
Resize the vertex array.
sf::VertexArray::clear
void clear()
Clear the vertex array.
sf::VertexArray::VertexArray
VertexArray(PrimitiveType type, std::size_t vertexCount=0)
Construct the vertex array with a type and an initial number of vertices.
sf::VertexArray::append
void append(const Vertex &vertex)
Add a vertex to the array.
sf::VertexArray::operator[]
const Vertex & operator[](std::size_t index) const
Get a read-only access to a vertex by its index.
sf::VertexArray::operator[]
Vertex & operator[](std::size_t index)
Get a read-write access to a vertex by its index.
sf::VertexArray::getPrimitiveType
PrimitiveType getPrimitiveType() const
Get the type of primitives drawn by the vertex array.
sf::VertexArray::setPrimitiveType
void setPrimitiveType(PrimitiveType type)
Set the type of primitives to draw.
sf::VertexArray::getBounds
FloatRect getBounds() const
Compute the bounding rectangle of the vertex array.
sf::VertexArray::getVertexCount
std::size_t getVertexCount() const
Return the vertex count.
sf::VertexArray::VertexArray
VertexArray()=default
Default constructor.
sf::PrimitiveType
PrimitiveType
Types of primitives that a sf::VertexArray can render.
Definition PrimitiveType.hpp:39
sf::RenderStates
Define the states used for drawing to a RenderTarget
Definition RenderStates.hpp:48
sf::Vertex
Point with color and texture coordinates.
Definition Vertex.hpp:44