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datamatrix modifications

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This commit is contained in:
Henry Schimke
2022-10-31 16:17:27 -05:00
parent ebe23e1896
commit c8ec9bc7e8
12 changed files with 106 additions and 90 deletions
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13
src/datamatrix/encoder/base256_encoder.rs
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@@ -47,7 +47,7 @@ impl Encoder for Base256Encoder {
break;
}
}
let dataCount = buffer.len() - 1;
let dataCount = buffer.chars().count() - 1;
let lengthFieldSize = 1;
let currentSize = context.getCodewordCount() + dataCount + lengthFieldSize;
context.updateSymbolInfoWithLength(currentSize);
@@ -58,11 +58,12 @@ impl Encoder for Base256Encoder {
} else if dataCount <= 1555 {
buffer.replace_range(
0..1,
&char::from_u32(((dataCount as u32 / 250) + 249))
&char::from_u32((dataCount as u32 / 250) + 249)
.unwrap()
.to_string(),
);
buffer.insert(1, char::from_u32((dataCount as u32 % 250)).unwrap());
let (ci_pos, _) = buffer.char_indices().nth(1).unwrap();
buffer.insert(ci_pos, char::from_u32(dataCount as u32 % 250).unwrap());
} else {
return Err(Exceptions::IllegalStateException(format!(
"Message length not in valid ranges: {}",
@@ -70,7 +71,7 @@ impl Encoder for Base256Encoder {
)));
}
}
let c = buffer.len();
let c = buffer.chars().count();
for i in 0..c {
// for (int i = 0, c = buffer.length(); i < c; i++) {
context.writeCodeword(Self::randomize255State(
@@ -88,10 +89,10 @@ impl Base256Encoder {
fn randomize255State(ch: char, codewordPosition: u32) -> char {
let pseudoRandom = ((149 * codewordPosition) % 255) + 1;
let tempVariable = ch as u32 + pseudoRandom;
if tempVariable as u8 <= 255 {
if tempVariable <= 255 {
char::from_u32(tempVariable).unwrap()
} else {
char::from_u32((tempVariable - 256)).unwrap()
char::from_u32(tempVariable - 256).unwrap()
}
}
}