sfml resize image
/*
sf::Image newImage = sf::Image();
newImage.create(50, 50); // set size
resizeImage(OldImage, newImage);
*/
void resizeImage(const sf::Image& originalImage, sf::Image& resizedImage)
{
const sf::Vector2u originalImageSize{ originalImage.getSize() };
const sf::Vector2u resizedImageSize{ resizedImage.getSize() };
for (unsigned int y{ 0u }; y < resizedImageSize.y; ++y)
{
for (unsigned int x{ 0u }; x < resizedImageSize.x; ++x)
{
unsigned int origX{ static_cast<unsigned int>(static_cast<double>(x) / resizedImageSize.x * originalImageSize.x) };
unsigned int origY{ static_cast<unsigned int>(static_cast<double>(y) / resizedImageSize.y * originalImageSize.y) };
resizedImage.setPixel(x, y, originalImage.getPixel(origX, origY));
}
}
}