mudhorn/zxing
1
0
Fork 0
mirror of https://github.com/zxing/zxing.git synced 2024-11-10 04:54:04 -08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Issue 797 user patch for code c support

Browse source 
git-svn-id: https://zxing.googlecode.com/svn/trunk@1739 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen 2011-04-11 17:20:38 +00:00
parent cad4d1d42e
commit c24fefe747
1 changed files with 53 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

67
core/src/com/google/zxing/oned/Code128Writer.java
View file

@ -45,23 +45,62 @@ public final class Code128Writer extends UPCEANWriter {
throw new IllegalArgumentException( throw new IllegalArgumentException(
"Requested contents should be less than 80 digits long, but got " + length); "Requested contents should be less than 80 digits long, but got " + length);
} }
int codeWidth = 11 + 11 + 13; //start plus check plus stop character //Determine which code we should use (C or B)
//get total code width for this barcode boolean useCodeC = true;
for (int i = 0; i < length; i++) { for (int i = 0; i < length; i++) {
int[] patterns = Code128Reader.CODE_PATTERNS[contents.charAt(i) - ' ']; char c = contents.charAt(i);
for (int j = 0; j < patterns.length; j++) { if (c < '0' || c > '9') {
codeWidth += patterns[j]; useCodeC = false;
break;
} }
} }
byte[] result = new byte[codeWidth];
int pos = appendPattern(result, 0, Code128Reader.CODE_PATTERNS[104], 1); int codeWidth = 11 + 11 + 13; //start plus check plus stop character
int check = 104; byte[] result;
//append next character to bytematrix int pos;
for(int i = 0; i < length; i++) { int check;
check += (contents.charAt(i) - ' ') * (i + 1);
pos += appendPattern(result, pos, Code128Reader.CODE_PATTERNS[contents.charAt(i) - ' '],1); if (useCodeC) {
//Optionnaly add "0" to have pairs
if (length % 2 != 0) {
contents = '0' + contents;
length++;
}
//get total code width for this barcode
for (int i = 0; i < length; i += 2){
int[] patterns = Code128Reader.CODE_PATTERNS[Integer.parseInt(contents.substring(i, i + 2))];
for (int j = 0; j < patterns.length; j++) {
codeWidth += patterns[j];
}
}
result = new byte[codeWidth];
pos = appendPattern(result, 0, Code128Reader.CODE_PATTERNS[105], 1);
check = 105;
//append next character to bytematrix
for (int i = 0; i < length; i += 2) {
int pair = Integer.parseInt(contents.substring(i, i + 2));
check += pair * (i / 2 + 1);
pos += appendPattern(result, pos, Code128Reader.CODE_PATTERNS[pair],1);
}
} else {
//get total code width for this barcode
for (int i = 0; i < length; i++) {
int[] patterns = Code128Reader.CODE_PATTERNS[contents.charAt(i) - ' '];
for (int j = 0; j < patterns.length; j++) {
codeWidth += patterns[j];
}
}
result = new byte[codeWidth];
pos = appendPattern(result, 0, Code128Reader.CODE_PATTERNS[104], 1);
check = 104;
//append next character to bytematrix
for (int i = 0; i < length; i++) {
check += (contents.charAt(i) - ' ') * (i + 1);
pos += appendPattern(result, pos, Code128Reader.CODE_PATTERNS[contents.charAt(i) - ' '],1);
}
} }
//compute checksum and append it along with end character and quiet space //compute checksum and append it along with end character and quiet space
check %= 103; check %= 103;
pos += appendPattern(result,pos,Code128Reader.CODE_PATTERNS[check],1); pos += appendPattern(result,pos,Code128Reader.CODE_PATTERNS[check],1);
@ -70,4 +109,4 @@ public final class Code128Writer extends UPCEANWriter {
return result; return result;
} }
} }