Sprite.hpp

 
//
// TGUI - Texus' Graphical User Interface
// Copyright (C) 2012-2022 Bruno Van de Velde (vdv_b@tgui.eu)
//
// 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 TGUI_SPRITE_HPP
#define TGUI_SPRITE_HPP
 
#include <TGUI/Texture.hpp>
#include <TGUI/Vector2.hpp>
#include <TGUI/Rect.hpp>
#include <TGUI/Color.hpp>
#include <TGUI/RenderStates.hpp>
#include <vector>
#include <memory>
 
#if TGUI_HAS_BACKEND_SFML
    #include <SFML/Graphics/Shader.hpp>
#endif
 
 
namespace tgui
{
 
    class TGUI_API Sprite
    {
    public:
 
        enum class ScalingType
        {
            Normal,     
            Horizontal, 
            Vertical,   
            NineSlice   
        };
 
 
    public:
 
 
        Sprite() = default;
 
 
        Sprite(const Texture& texture);
 
 
        Sprite(const Sprite&);
 
        Sprite(Sprite&&) noexcept;
 
        Sprite& operator=(const Sprite&);
 
        Sprite& operator=(Sprite&&) noexcept;
 
 
        void setTexture(const Texture& texture);
 
 
        const Texture& getTexture() const;
 
 
        bool isSet() const;
 
 
        void setSize(const Vector2f& size);
 
 
        Vector2f getSize() const;
 
 
        void setOpacity(float opacity);
 
 
        float getOpacity() const;
 
 
        void setVisibleRect(const FloatRect& visibleRect);
 
 
        FloatRect getVisibleRect() const;
 
 
        void setPosition(Vector2f position);
 
 
        Vector2f getPosition() const;
 
 
        void setRotation(float angle);
 
 
        float getRotation() const;
 
 
        bool isTransparentPixel(Vector2f pos) const;
 
 
        ScalingType getScalingType() const;
 
 
        const std::shared_ptr<BackendTextureBase>& getSvgTexture() const
        {
            return m_svgTexture;
        }
 
 
        const std::vector<Vertex>& getVertices() const
        {
            return m_vertices;
        }
 
 
        const std::vector<int>& getIndices() const
        {
            return m_indices;
        }
 
 
    private:
 
        // Update the location of the vertices
        void updateVertices();
 
 
    private:
 
        Vector2f    m_size;
        Texture     m_texture;
        std::shared_ptr<BackendTextureBase> m_svgTexture;
        std::vector<Vertex> m_vertices;
        std::vector<int> m_indices;
 
        FloatRect   m_visibleRect;
 
        Color       m_vertexColor = Color::White;
        float       m_opacity = 1;
        float       m_rotation = 0;
        Vector2f    m_position;
 
        ScalingType m_scalingType = ScalingType::Normal;
    };
 
}
 
 
#endif // TGUI_SPRITE_HPP