// NewPixReadMem creates a new Pix instance from a byte array
func NewPixReadMem(image *[]byte) (*Pix, error) {
//ptr := (*C.l_uint8)(*C.uchar)(unsafe.Pointer(&(*image)[0]))
ptr := C.uglycast(unsafe.Pointer(&(*image)[0]))
CPIX := C.pixReadMem(ptr, C.size_t(len(*image)))
if CPIX == nil {
return nil, errors.New("Cannot create PIX from given image data")
}
pix := &Pix{
cPix: CPIX,
}
return pix, nil
}
// EncodedBytes will return a byte array holding the data from PIX in the given format
func (p *Pix) EncodedBytes(format ImageType) ([]byte, error) {
var memory []byte
memPtr := C.uglycast(unsafe.Pointer(&(memory)))
var i int64
sizePtr := C.size_t(i)
cFormat := C.l_int32(format)
code := C.pixWriteMem(&memPtr, &sizePtr, p.cPix, cFormat)
if code != 0 {
return nil, errors.New("Cannot write type to given memory. WriteMem returned: " + strconv.Itoa(int(code)))
}
data := C.GoBytes(unsafe.Pointer(memPtr), C.int(sizePtr))
C.free(unsafe.Pointer(memPtr))
return data, nil
}