1 files changed, 99 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/datamatrix/BC_DataMatrixDataBlock.cpp b/xfa/src/fxbarcode/datamatrix/BC_DataMatrixDataBlock.cpp
new file mode 100644
index 0000000000..c884834fa9
--- /dev/null
+++ b/xfa/src/fxbarcode/datamatrix/BC_DataMatrixDataBlock.cpp
@@ -0,0 +1,99 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+// Original code is licensed as follows:
+/*
+ * Copyright 2008 ZXing authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "../barcode.h"
+#include "BC_DataMatrixVersion.h"
+#include "BC_DataMatrixDataBlock.h"
+CBC_DataMatrixDataBlock::~CBC_DataMatrixDataBlock()
+{
+}
+CBC_DataMatrixDataBlock::CBC_DataMatrixDataBlock(FX_INT32 numDataCodewords, CFX_ByteArray *codewords)
+{
+    m_codewords.Copy(*codewords);
+    m_numDataCodewords = numDataCodewords;
+}
+CFX_PtrArray *CBC_DataMatrixDataBlock::GetDataBlocks(CFX_ByteArray* rawCodewords, CBC_DataMatrixVersion *version, FX_INT32 &e)
+{
+    ECBlocks *ecBlocks = version->GetECBlocks();
+    FX_INT32 totalBlocks = 0;
+    const CFX_PtrArray &ecBlockArray = ecBlocks->GetECBlocks();
+    FX_INT32 i;
+    for (i = 0; i < ecBlockArray.GetSize(); i++) {
+        totalBlocks += ((ECB*)ecBlockArray[i])->GetCount();
+    }
+    CBC_AutoPtr<CFX_PtrArray>result(FX_NEW CFX_PtrArray());
+    result->SetSize(totalBlocks);
+    FX_INT32 numResultBlocks = 0;
+    FX_INT32 j;
+    for (j = 0; j < ecBlockArray.GetSize(); j++) {
+        for (i = 0; i < ((ECB*)ecBlockArray[j])->GetCount(); i++) {
+            FX_INT32 numDataCodewords = ((ECB*)ecBlockArray[j])->GetDataCodewords();
+            FX_INT32 numBlockCodewords = ecBlocks->GetECCodewords() + numDataCodewords;
+            CFX_ByteArray codewords;
+            codewords.SetSize(numBlockCodewords);
+            (*result)[numResultBlocks++] = FX_NEW CBC_DataMatrixDataBlock(numDataCodewords, &codewords);
+            codewords.SetSize(0);
+        }
+    }
+    FX_INT32 longerBlocksTotalCodewords = ((CBC_DataMatrixDataBlock*)(*result)[0])->GetCodewords()->GetSize();
+    FX_INT32 longerBlocksNumDataCodewords = longerBlocksTotalCodewords - ecBlocks->GetECCodewords();
+    FX_INT32 shorterBlocksNumDataCodewords = longerBlocksNumDataCodewords - 1;
+    FX_INT32 rawCodewordsOffset = 0;
+    for (i = 0; i < shorterBlocksNumDataCodewords; i++) {
+        FX_INT32 j;
+        for (j = 0; j < numResultBlocks; j++) {
+            if (rawCodewordsOffset < rawCodewords->GetSize()) {
+                ((CBC_DataMatrixDataBlock*)(*result)[j])->GetCodewords()->operator [](i) = (*rawCodewords)[rawCodewordsOffset++];
+            }
+        }
+    }
+    FX_BOOL specialVersion = version->GetVersionNumber() == 24;
+    FX_INT32 numLongerBlocks = specialVersion ? 8 : numResultBlocks;
+    for (j = 0; j < numLongerBlocks; j++) {
+        if (rawCodewordsOffset < rawCodewords->GetSize()) {
+            ((CBC_DataMatrixDataBlock*)(*result)[j])->GetCodewords()->operator [](longerBlocksNumDataCodewords - 1) = (*rawCodewords)[rawCodewordsOffset++];
+        }
+    }
+    FX_INT32 max = ((CBC_DataMatrixDataBlock*)(*result)[0])->GetCodewords()->GetSize();
+    for (i = longerBlocksNumDataCodewords; i < max; i++) {
+        FX_INT32 j;
+        for (j = 0; j < numResultBlocks; j++) {
+            FX_INT32 iOffset = specialVersion && j > 7 ? i - 1 : i;
+            if (rawCodewordsOffset < rawCodewords->GetSize()) {
+                ((CBC_DataMatrixDataBlock*)(*result)[j])->GetCodewords()->operator [](iOffset) = (*rawCodewords)[rawCodewordsOffset++];
+            }
+        }
+    }
+    if (rawCodewordsOffset != rawCodewords->GetSize()) {
+        e = BCExceptionIllegalArgument;
+        return NULL;
+    }
+    return result.release();
+}
+FX_INT32 CBC_DataMatrixDataBlock::GetNumDataCodewords()
+{
+    return m_numDataCodewords;
+}
+CFX_ByteArray *CBC_DataMatrixDataBlock::GetCodewords()
+{
+    return &m_codewords;
+}