image_load_from_file

func load_image(path : String) -> ImageTexture:
    var file = File.new()
    if file.file_exists(path):
        file.open(path,File.READ)

        var buffer = file.get_buffer(134217728)
        file.close()
        var image = Image.new()
        var image_texture = ImageTexture.new()

        if path.get_extension() == "png":
            image.load_png_from_buffer(buffer)
        elif path.get_extension() == "jpg":
            image.load_jpg_from_buffer(buffer)
        elif path.get_extension() == "bmp":
            image.load_bmp_from_buffer(buffer)
        else:
            return null

        image_texture.create_from_image(image)

        return image_texture
    else:
        return null