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Issue 675 commit Lachezars great fix for large DM decoding

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git-svn-id: https://zxing.googlecode.com/svn/trunk@1699 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen 2011-01-11 15:40:47 +00:00
parent 2cd75045fd
commit e6d969b6f4
7 changed files with 15 additions and 12 deletions
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1
AUTHORS
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@ -33,6 +33,7 @@ Juho Mikkonen
jwicks
Kevin O'Sullivan (SITA)
Kevin Xue (NetDragon Websoft Inc., China)
Lachezar Dobrev
Luiz Silva
Luka Finžgar
Marcelo

10
core/src/com/google/zxing/datamatrix/decoder/Decoder.java
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@ -80,22 +80,24 @@ public final class Decoder {
// Separate into data blocks
DataBlock[] dataBlocks = DataBlock.getDataBlocks(codewords, version);
int dataBlocksCount = dataBlocks.length;
// Count total number of data bytes
int totalBytes = 0;
for (int i = 0; i < dataBlocks.length; i++) {
for (int i = 0; i < dataBlocksCount; i++) {
totalBytes += dataBlocks[i].getNumDataCodewords();
}
byte[] resultBytes = new byte[totalBytes];
int resultOffset = 0;
// Error-correct and copy data blocks together into a stream of bytes
for (int j = 0; j < dataBlocks.length; j++) {
for (int j = 0; j < dataBlocksCount; j++) {
DataBlock dataBlock = dataBlocks[j];
byte[] codewordBytes = dataBlock.getCodewords();
int numDataCodewords = dataBlock.getNumDataCodewords();
correctErrors(codewordBytes, numDataCodewords);
for (int i = 0; i < numDataCodewords; i++) {
resultBytes[resultOffset++] = codewordBytes[i];
// De-interlace data blocks.
resultBytes[i * dataBlocksCount + j] = codewordBytes[i];
}
}

0
core/test/data/blackbox/datamatrix-1/abcd-52x52-IDAutomation.gif.error → core/test/data/blackbox/datamatrix-1/abcd-52x52-IDAutomation.gif
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core/test/data/blackbox/datamatrix-1/abcd-52x52.png.error → core/test/data/blackbox/datamatrix-1/abcd-52x52.png
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core/test/data/blackbox/datamatrix-1/abcdefg-64x64.png.error → core/test/data/blackbox/datamatrix-1/abcdefg-64x64.png
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12
core/test/src/com/google/zxing/datamatrix/DataMatrixBlackBox1TestCase.java
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@ -17,6 +17,7 @@
package com.google.zxing.datamatrix;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.common.AbstractBlackBoxTestCase;
/**
@ -25,12 +26,11 @@ import com.google.zxing.common.AbstractBlackBoxTestCase;
public final class DataMatrixBlackBox1TestCase extends AbstractBlackBoxTestCase {
public DataMatrixBlackBox1TestCase() {
// TODO use MultiFormatReader here once Data Matrix decoder is done
super("test/data/blackbox/datamatrix-1", new DataMatrixReader(), BarcodeFormat.DATA_MATRIX);
addTest(13, 13, 0.0f);
addTest(13, 13, 90.0f);
addTest(13, 13, 180.0f);
addTest(13, 13, 270.0f);
super("test/data/blackbox/datamatrix-1", new MultiFormatReader(), BarcodeFormat.DATA_MATRIX);
addTest(16, 16, 0.0f);
addTest(16, 16, 90.0f);
addTest(16, 16, 180.0f);
addTest(16, 16, 270.0f);
}
}

4
core/test/src/com/google/zxing/datamatrix/DataMatrixBlackBox2TestCase.java
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@ -17,6 +17,7 @@
package com.google.zxing.datamatrix;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.common.AbstractBlackBoxTestCase;
/**
@ -25,8 +26,7 @@ import com.google.zxing.common.AbstractBlackBoxTestCase;
public final class DataMatrixBlackBox2TestCase extends AbstractBlackBoxTestCase {
public DataMatrixBlackBox2TestCase() {
// TODO use MultiFormatReader here once Data Matrix decoder is done
super("test/data/blackbox/datamatrix-2", new DataMatrixReader(), BarcodeFormat.DATA_MATRIX);
super("test/data/blackbox/datamatrix-2", new MultiFormatReader(), BarcodeFormat.DATA_MATRIX);
addTest(10, 10, 0.0f);
addTest(13, 13, 90.0f);
addTest(16, 16, 180.0f);