1 files changed, 81 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/oned/BC_OnedEAN8Reader.cpp b/xfa/src/fxbarcode/oned/BC_OnedEAN8Reader.cpp
new file mode 100644
index 0000000000..48e24681df
--- /dev/null
+++ b/xfa/src/fxbarcode/oned/BC_OnedEAN8Reader.cpp
@@ -0,0 +1,81 @@
+// 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_Reader.h"
+#include "../common/BC_CommonBitArray.h"
+#include "BC_OneDReader.h"
+#include "BC_OneDimReader.h"
+#include "BC_OnedEAN8Reader.h"
+CBC_OnedEAN8Reader::CBC_OnedEAN8Reader()
+{
+}
+CBC_OnedEAN8Reader::~CBC_OnedEAN8Reader()
+{
+}
+FX_INT32 CBC_OnedEAN8Reader::DecodeMiddle(CBC_CommonBitArray *row, CFX_Int32Array *startRange, CFX_ByteString &resultResult, FX_INT32 &e)
+{
+    CFX_Int32Array counters;
+    counters.Add(0);
+    counters.Add(0);
+    counters.Add(0);
+    counters.Add(0);
+    FX_INT32 end = row->GetSize();
+    FX_INT32 rowOffset = (*startRange)[1];
+    FX_INT32 rowOffsetLeft = rowOffset;
+    for (FX_INT32 x = 0; x < 4 && rowOffset < end; x++) {
+        FX_INT32 bestMatch = DecodeDigit(row, &counters, rowOffset, &(CBC_OneDimReader::L_PATTERNS[0][0]), 10, e);
+        BC_EXCEPTION_CHECK_ReturnValue(e, 0);
+        resultResult += (FX_CHAR) ('0' + bestMatch);
+        for (FX_INT32 i = 0; i < counters.GetSize(); i++) {
+            rowOffset += counters[i];
+        }
+    }
+    FX_INT32 RowOffsetLen = (rowOffset - rowOffsetLeft) / 4;
+    CFX_Int32Array result;
+    result.Add(CBC_OneDimReader::MIDDLE_PATTERN[0]);
+    result.Add(CBC_OneDimReader::MIDDLE_PATTERN[1]);
+    result.Add(CBC_OneDimReader::MIDDLE_PATTERN[2]);
+    result.Add(CBC_OneDimReader::MIDDLE_PATTERN[3]);
+    result.Add(CBC_OneDimReader::MIDDLE_PATTERN[4]);
+    CFX_Int32Array *middleRange = FindGuardPattern(row, rowOffset, TRUE, &result, e);
+    BC_EXCEPTION_CHECK_ReturnValue(e, 0);
+    FX_INT32 rowOffsetMid = rowOffset;
+    rowOffset = (*middleRange)[1];
+    if((rowOffset - rowOffsetMid) > RowOffsetLen) {
+        e = BCExceptionNotFound;
+        BC_EXCEPTION_CHECK_ReturnValue(e, 0);
+    }
+    if(middleRange != NULL) {
+        delete middleRange;
+        middleRange = NULL;
+    }
+    for (FX_INT32 y = 0; y < 4 && rowOffset < end; y++) {
+        FX_INT32 bestMatch = DecodeDigit(row, & counters, rowOffset, &(CBC_OneDimReader::L_PATTERNS[0][0]), 10, e);
+        BC_EXCEPTION_CHECK_ReturnValue(e, 0);
+        resultResult += (FX_CHAR) ('0' + bestMatch);
+        for (FX_INT32 i = 0; i < counters.GetSize(); i++) {
+            rowOffset += counters[i];
+        }
+    }
+    return rowOffset;
+}