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This commit is contained in:
Henry Schimke
2022-08-20 11:53:07 -05:00
parent 025be82dcb
commit 35196da8aa
2 changed files with 51 additions and 62 deletions
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21
src/maxicode.rs
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@@ -1,4 +1,4 @@
mod decoder;
pub mod decoder;
use crate::{BarcodeFormat,BinaryBitmap,ChecksumException,DecodeHintType,FormatException,NotFoundException,Reader,XRingResultResultMetadataType,ResultPoint};
use crate::common::{BitMatrix,DecoderResult};
@@ -17,7 +17,7 @@ const MATRIX_WIDTH: i32 = 30;
const MATRIX_HEIGHT: i32 = 33;
pub struct MaxiCodeReader {
let decoder: Decoder = Decoder::new();
decoder: Decoder
}
impl Reader for MaxiCodeReader{
@@ -29,15 +29,12 @@ impl Reader for MaxiCodeReader{
* @throws FormatException if a MaxiCode cannot be decoded
* @throws ChecksumException if error correction fails
*/
pub fn decode(&self, image: &BinaryBitmap) -> /* throws NotFoundException, ChecksumException, FormatException */Result<Result, Rc<Exception>> {
return Ok(self.decode(image, null));
}
pub fn decode(&self, image: &BinaryBitmap, hints: &Map<DecodeHintType, ?>) -> /* throws NotFoundException, ChecksumException, FormatException */Result<Result, Rc<Exception>> {
fn decode(&self, image: &BinaryBitmap, hints: &Map<DecodeHintType, _>) -> /* throws NotFoundException, ChecksumException, FormatException */Result<Result, Rc<Exception>> {
// Note that MaxiCode reader effectively always assumes PURE_BARCODE mode
// and can't detect it in an image
let bits: BitMatrix = ::extract_pure_bits(&image.get_black_matrix());
let decoder_result: DecoderResult = self.decoder.decode(bits, &hints);
let decoder_result: DecoderResult = self.decoder.decode(&bits, &hints);
let result: Result = Result::new(&decoder_result.get_text(), &decoder_result.get_raw_bytes(), NO_POINTS, BarcodeFormat::MAXICODE);
let ec_level: String = decoder_result.get_e_c_level();
if ec_level != null {
@@ -46,14 +43,16 @@ pub fn decode(&self, image: &BinaryBitmap, hints: &Map<DecodeHintType, ?>) ->
return Ok(result);
}
pub fn reset(&self) {
fn reset(&self) {
// do nothing
}
}
impl MaxiCodeReader {
pub fn new() -> Self {
Self { decoder: Decoder::new() }
}
/**
* This method detects a code in a "pure" image -- that is, pure monochrome image
@@ -61,10 +60,10 @@ impl MaxiCodeReader {
* around it. This is a specialized method that works exceptionally fast in this special
* case.
*/
fn extract_pure_bits( image: &BitMatrix) -> /* throws NotFoundException */Result<BitMatrix, Rc<Exception>> {
fn extract_pure_bits( image: &BitMatrix) -> Result<BitMatrix,NotFoundException> {
let enclosing_rectangle: Vec<i32> = image.get_enclosing_rectangle();
if enclosing_rectangle == null {
throw NotFoundException::get_not_found_instance();
return Err( NotFoundException::get_not_found_instance());
}
let left: i32 = enclosing_rectangle[0];
let top: i32 = enclosing_rectangle[1];