1 files changed, 49 insertions, 0 deletions
diff --git a/xfa/fxbarcode/qrcode/BC_QRAlignmentPattern.cpp b/xfa/fxbarcode/qrcode/BC_QRAlignmentPattern.cpp
new file mode 100644
index 0000000000..4d5a36e250
--- /dev/null
+++ b/xfa/fxbarcode/qrcode/BC_QRAlignmentPattern.cpp
@@ -0,0 +1,49 @@
+// 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/BC_ResultPoint.h"
+#include "xfa/fxbarcode/qrcode/BC_QRAlignmentPattern.h"
+
+CBC_QRAlignmentPattern::CBC_QRAlignmentPattern(FX_FLOAT posX,
+                                               FX_FLOAT posY,
+                                               FX_FLOAT estimateModuleSize)
+    : CBC_ResultPoint(posX, posY), m_moduleSize(estimateModuleSize) {}
+CBC_QRAlignmentPattern::~CBC_QRAlignmentPattern() {}
+FX_FLOAT CBC_QRAlignmentPattern::GetX() {
+  return m_x;
+}
+FX_FLOAT CBC_QRAlignmentPattern::GetY() {
+  return m_y;
+}
+FX_BOOL CBC_QRAlignmentPattern::AboutEquals(FX_FLOAT moduleSize,
+                                            FX_FLOAT i,
+                                            FX_FLOAT j) {
+  if ((FXSYS_fabs(i - GetY()) <= moduleSize) &&
+      (FXSYS_fabs(j - GetX()) <= moduleSize)) {
+    FX_FLOAT moduleSizeDiff = FXSYS_fabs(moduleSize - m_moduleSize);
+    return (moduleSizeDiff <= 1.0f) || (moduleSizeDiff / m_moduleSize <= 1.0f);
+  }
+  return FALSE;
+}
+CBC_QRAlignmentPattern* CBC_QRAlignmentPattern::Clone() {
+  return new CBC_QRAlignmentPattern(m_x, m_y, m_moduleSize);
+}