1 files changed, 133 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/src/BC_QRDataMask.cpp b/xfa/src/fxbarcode/src/BC_QRDataMask.cpp
new file mode 100644
index 0000000000..ae0807d271
--- /dev/null
+++ b/xfa/src/fxbarcode/src/BC_QRDataMask.cpp
@@ -0,0 +1,133 @@
+// 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
+
+#include "barcode.h"
+#include "include/BC_CommonBitMatrix.h"
+#include "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()
+{
+}