1 files changed, 111 insertions, 0 deletions
diff --git a/xfa/fxbarcode/qrcode/BC_QRDataBlock.cpp b/xfa/fxbarcode/qrcode/BC_QRDataBlock.cpp
new file mode 100644
index 0000000000..9805ac9af8
--- /dev/null
+++ b/xfa/fxbarcode/qrcode/BC_QRDataBlock.cpp
@@ -0,0 +1,111 @@
+// 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 2007 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 "xfa/fxbarcode/qrcode/BC_QRDataBlock.h"
+
+#include <memory>
+
+#include "xfa/fxbarcode/qrcode/BC_QRCoderECB.h"
+#include "xfa/fxbarcode/qrcode/BC_QRCoderECBlocks.h"
+#include "xfa/fxbarcode/qrcode/BC_QRCoderVersion.h"
+#include "xfa/fxbarcode/utils.h"
+
+CBC_QRDataBlock::CBC_QRDataBlock(int32_t numDataCodewords,
+                                 CFX_ByteArray* codewords)
+    : m_numDataCodewords(numDataCodewords), m_codewords(codewords) {}
+CBC_QRDataBlock::~CBC_QRDataBlock() {
+  delete m_codewords;
+}
+int32_t CBC_QRDataBlock::GetNumDataCodewords() {
+  return m_numDataCodewords;
+}
+CFX_ByteArray* CBC_QRDataBlock::GetCodewords() {
+  return m_codewords;
+}
+CFX_PtrArray* CBC_QRDataBlock::GetDataBlocks(
+    CFX_ByteArray* rawCodewords,
+    CBC_QRCoderVersion* version,
+    CBC_QRCoderErrorCorrectionLevel* ecLevel,
+    int32_t& e) {
+  if (rawCodewords->GetSize() != version->GetTotalCodeWords()) {
+    e = BCExceptionIllegalArgument;
+    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  }
+  CBC_QRCoderECBlocks* ecBlocks = version->GetECBlocksForLevel(ecLevel);
+  int32_t totalBlocks = 0;
+  CFX_PtrArray* ecBlockArray = ecBlocks->GetECBlocks();
+  int32_t i = 0;
+  for (i = 0; i < ecBlockArray->GetSize(); i++) {
+    totalBlocks += ((CBC_QRCoderECB*)(*ecBlockArray)[i])->GetCount();
+  }
+  std::unique_ptr<CFX_PtrArray> result(new CFX_PtrArray());
+  result->SetSize(totalBlocks);
+  int32_t numResultBlocks = 0;
+  for (int32_t j = 0; j < ecBlockArray->GetSize(); j++) {
+    CBC_QRCoderECB* ecBlock = (CBC_QRCoderECB*)(*ecBlockArray)[j];
+    for (int32_t k = 0; k < ecBlock->GetCount(); k++) {
+      int32_t numDataCodewords = ecBlock->GetDataCodeWords();
+      int32_t numBlockCodewords =
+          ecBlocks->GetECCodeWordsPerBlock() + numDataCodewords;
+      CFX_ByteArray* bytearray = new CFX_ByteArray();
+      bytearray->SetSize(numBlockCodewords);
+      (*result)[numResultBlocks++] =
+          new CBC_QRDataBlock(numDataCodewords, bytearray);
+    }
+  }
+  int32_t shorterBlocksTotalCodewords =
+      ((CBC_QRDataBlock*)(*result)[0])->m_codewords->GetSize();
+  int32_t longerBlocksStartAt = result->GetSize() - 1;
+  while (longerBlocksStartAt >= 0) {
+    int32_t numCodewords = ((CBC_QRDataBlock*)(*result)[longerBlocksStartAt])
+                               ->m_codewords->GetSize();
+    if (numCodewords == shorterBlocksTotalCodewords) {
+      break;
+    }
+    longerBlocksStartAt--;
+  }
+  longerBlocksStartAt++;
+  int32_t shorterBlocksNumDataCodewords =
+      shorterBlocksTotalCodewords - ecBlocks->GetECCodeWordsPerBlock();
+  int32_t rawCodewordsOffset = 0;
+  int32_t x = 0;
+  for (int32_t k = 0; k < shorterBlocksNumDataCodewords; k++) {
+    for (x = 0; x < numResultBlocks; x++) {
+      (*(((CBC_QRDataBlock*)(*result)[x])->m_codewords))[k] =
+          (*rawCodewords)[rawCodewordsOffset++];
+    }
+  }
+  for (x = longerBlocksStartAt; x < numResultBlocks; x++) {
+    (*(((CBC_QRDataBlock*)(*result)[x])
+           ->m_codewords))[shorterBlocksNumDataCodewords] =
+        (*rawCodewords)[rawCodewordsOffset++];
+  }
+  int32_t max = ((CBC_QRDataBlock*)(*result)[0])->m_codewords->GetSize();
+  for (i = shorterBlocksNumDataCodewords; i < max; i++) {
+    for (int32_t y = 0; y < numResultBlocks; y++) {
+      int32_t iOffset = y < longerBlocksStartAt ? i : i + 1;
+      (*(((CBC_QRDataBlock*)(*result)[y])->m_codewords))[iOffset] =
+          (*rawCodewords)[rawCodewordsOffset++];
+    }
+  }
+  return result.release();
+}