Image.cpp

#include "Image.hpp"

namespace gui
{

Image::Image():
    m_texture(nullptr)
{
    setSelectable(false);
}


Image::Image(const sf::Texture& texture):
    m_texture(nullptr)
{
    setSelectable(false);
    setTexture(texture);
}


void Image::setTexture(const sf::Texture& texture)
{
    int width = texture.getSize().x;
    int height = texture.getSize().y;
    m_vertices[0].position = m_vertices[0].texCoords = sf::Vector2f(0, 0);
    m_vertices[1].position = m_vertices[1].texCoords = sf::Vector2f(0, height);
    m_vertices[2].position = m_vertices[2].texCoords = sf::Vector2f(width, height);
    m_vertices[3].position = m_vertices[3].texCoords = sf::Vector2f(width, 0);
    m_texture = &texture;

    // Set widget dimensions
    setSize(width, height);
}


void Image::setColor(const sf::Color& color)
{
    for (int i = 0; i < 4; ++i)
        m_vertices[i].color = color;
}


void Image::draw(sf::RenderTarget& target, sf::RenderStates states) const
{
    if (m_texture != nullptr)
    {
        states.transform *= getTransform();
        states.texture = m_texture;
        target.draw(m_vertices, 4, sf::Quads, states);
    }
}

}