gaming-core/rendering/FileTexture.h

#ifndef FILETEXTURE_H
#define FILETEXTURE_H

#include <iostream>

#include "wrapper/Texture.h"
#include "images/PNGReader.h"

template<int N>
class FileTexture final {
    Texture texture;

public:

    FileTexture(const char* path) : texture(TextureFormat::color8(N)) {
        PNGReader png(path);
        if(png.hasError()) {
            return;
        }
        if(png.getChannels() != N) {
            std::cout << "expected " << N << " from '" << path << "' but got " << png.getChannels() << "\n";
            return;
        }
        Color<N>* buffer = new Color<N>[png.getBufferSize()];
        if(!png.readData(buffer)) {
            texture.setData(png.getWidth(), png.getHeight(), buffer);
        }
        delete[] buffer;
    }

    void bindTo(int index) const {
        texture.bindTo(index);
    }
};

#endif