typedef enum {
IMG_PIXEL_UNKNOW,
IMG_PIXEL_COLOR1, // 2 colori 1 bit x pixel > con pallet
IMG_PIXEL_COLOR4, // 16 colori 4 bit x pixel > con pallet
IMG_PIXEL_GRAYSCALE,
IMG_PIXEL_COLOR8, // 256 colori 1 byte = pixel > con pallet
IMG_PIXEL_BGR, // Standard <-------------
IMG_PIXEL_RGB,
IMG_PIXEL_RGB_ALPHA, // Colore + Alpha
IMG_PIXEL_CMYK, // 4 colori
IMG_PIXEL_YCbCr,
IMG_PIXEL_YCCK,
IMG_PIXEL_BGR_16 // Da fare
} EN_PIXEL_TYPE;