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-rw-r--r--xfa/src/fxbarcode/qrcode/BC_QRDataMask.cpp149
1 files changed, 149 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/qrcode/BC_QRDataMask.cpp b/xfa/src/fxbarcode/qrcode/BC_QRDataMask.cpp
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+++ b/xfa/src/fxbarcode/qrcode/BC_QRDataMask.cpp
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+// 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 "../barcode.h"
+#include "../common/BC_CommonBitMatrix.h"
+#include "BC_QRDataMask.h"
+static FX_INT32 N_DATA_MASKS = 0;
+CFX_PtrArray* CBC_QRDataMask::DATA_MASKS = NULL;
+void CBC_QRDataMask::Initialize()
+{
+ DATA_MASKS = FX_NEW CFX_PtrArray();
+ N_DATA_MASKS = BuildDataMasks();
+}
+void CBC_QRDataMask::Finalize()
+{
+ Destroy();
+ delete DATA_MASKS;
+}
+void CBC_QRDataMask::Destroy()
+{
+ FX_INT32 i;
+ for(i = 0; i < N_DATA_MASKS; i++) {
+ CBC_QRDataMask* p = (CBC_QRDataMask*)(*DATA_MASKS)[i];
+ if (p) {
+ delete p;
+ }
+ }
+}
+void CBC_QRDataMask::UnmaskBitMatirx(CBC_CommonBitMatrix *bits, FX_INT32 dimension)
+{
+ for(FX_INT32 i = 0; i < dimension; i++) {
+ for(FX_INT32 j = 0; j < dimension; j++) {
+ if(IsMasked(i, j)) {
+ bits->Flip(j, i);
+ }
+ }
+ }
+}
+CBC_QRDataMask* CBC_QRDataMask::ForReference(FX_INT32 reference, FX_INT32 &e)
+{
+ if(reference < 0 || reference > 7) {
+ e = BCExceptionReferenceMustBeBetween0And7;
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ }
+ return (CBC_QRDataMask*)(*DATA_MASKS)[reference];
+}
+class DataMask000 : public CBC_QRDataMask
+{
+public:
+ FX_BOOL IsMasked(FX_INT32 x, FX_INT32 y)
+ {
+ return ((x + y) % 2) == 0;
+ }
+};
+class DataMask001 : public CBC_QRDataMask
+{
+public:
+ FX_BOOL IsMasked(FX_INT32 x, FX_INT32 y)
+ {
+ return (x % 2) == 0;
+ }
+};
+class DataMask010 : public CBC_QRDataMask
+{
+public:
+ FX_BOOL IsMasked(FX_INT32 x, FX_INT32 y)
+ {
+ return y % 3 == 0;
+ }
+};
+class DataMask011 : public CBC_QRDataMask
+{
+public:
+ FX_BOOL IsMasked(FX_INT32 x, FX_INT32 y)
+ {
+ return (x + y) % 3 == 0;
+ }
+};
+class DataMask100 : public CBC_QRDataMask
+{
+public:
+ FX_BOOL IsMasked(FX_INT32 x, FX_INT32 y)
+ {
+ return (((x >> 1) + (y / 3)) % 2) == 0;
+ }
+};
+class DataMask101 : public CBC_QRDataMask
+{
+public:
+ FX_BOOL IsMasked(FX_INT32 x, FX_INT32 y)
+ {
+ size_t temp = x * y;
+ return (temp % 2) + (temp % 3) == 0;
+ }
+};
+class DataMask110 : public CBC_QRDataMask
+{
+public:
+ FX_BOOL IsMasked(FX_INT32 x, FX_INT32 y)
+ {
+ size_t temp = x * y;
+ return (((temp % 2) + (temp % 3)) % 2) == 0;
+ }
+};
+class DataMask111 : public CBC_QRDataMask
+{
+public:
+ FX_BOOL IsMasked(FX_INT32 x, FX_INT32 y)
+ {
+ return ((((x + y) % 2) + ((x * y) % 3)) % 2) == 0;
+ }
+};
+FX_INT32 CBC_QRDataMask::BuildDataMasks()
+{
+ DATA_MASKS->Add(FX_NEW DataMask000);
+ DATA_MASKS->Add(FX_NEW DataMask001);
+ DATA_MASKS->Add(FX_NEW DataMask010);
+ DATA_MASKS->Add(FX_NEW DataMask011);
+ DATA_MASKS->Add(FX_NEW DataMask100);
+ DATA_MASKS->Add(FX_NEW DataMask101);
+ DATA_MASKS->Add(FX_NEW DataMask110);
+ DATA_MASKS->Add(FX_NEW DataMask111);
+ return DATA_MASKS->GetSize();
+}
+CBC_QRDataMask::CBC_QRDataMask()
+{
+}
+CBC_QRDataMask::~CBC_QRDataMask()
+{
+}