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move to using Eci enum

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Decouples the Eci and CharacterSet concepts within the library. Character sets can now exist independently from Eci encodation schemes.
This commit is contained in:
Henry Schimke
2023-03-04 14:13:50 -06:00
parent 15859b9f10
commit 8a0744e534
21 changed files with 403 additions and 182 deletions
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8
src/datamatrix/decoder/decoded_bit_stream_parser.rs
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@@ -15,7 +15,7 @@
*/
use crate::{
common::{BitSource, CharacterSet, DecoderRXingResult, ECIStringBuilder, Result},
common::{BitSource, CharacterSet, DecoderRXingResult, ECIStringBuilder, Result, Eci},
Exceptions,
};
@@ -739,19 +739,19 @@ fn decodeBase256Segment(
fn decodeECISegment(bits: &mut BitSource, result: &mut ECIStringBuilder) -> Result<bool> {
let firstByte = bits.readBits(8)?;
if firstByte <= 127 {
result.appendECI(firstByte - 1)?;
result.appendECI(Eci::from(firstByte - 1))?;
return Ok(true);
}
let secondByte = bits.readBits(8)?;
if firstByte <= 191 {
result.appendECI((firstByte - 128) * 254 + 127 + secondByte - 1)?;
result.appendECI(Eci::from((firstByte - 128) * 254 + 127 + secondByte - 1))?;
return Ok((firstByte - 128) * 254 + 127 + secondByte - 1 > 900);
}
let thirdByte = bits.readBits(8)?;
result.appendECI((firstByte - 192) * 64516 + 16383 + (secondByte - 1) * 254 + thirdByte - 1)?;
result.appendECI(Eci::from((firstByte - 192) * 64516 + 16383 + (secondByte - 1) * 254 + thirdByte - 1))?;
Ok((firstByte - 192) * 64516 + 16383 + (secondByte - 1) * 254 + thirdByte - 1 > 900)
}