diff options
Diffstat (limited to 'xfa/src/fxbarcode/datamatrix/BC_DefaultPlacement.cpp')
| -rw-r--r-- | xfa/src/fxbarcode/datamatrix/BC_DefaultPlacement.cpp | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/datamatrix/BC_DefaultPlacement.cpp b/xfa/src/fxbarcode/datamatrix/BC_DefaultPlacement.cpp new file mode 100644 index 0000000000..e6bab5a65e --- /dev/null +++ b/xfa/src/fxbarcode/datamatrix/BC_DefaultPlacement.cpp @@ -0,0 +1,174 @@ +// 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 2006 Jeremias Maerki.
+ *
+ * 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_Encoder.h"
+#include "BC_DefaultPlacement.h"
+CBC_DefaultPlacement::CBC_DefaultPlacement(CFX_WideString codewords, FX_INT32 numcols, FX_INT32 numrows)
+{
+ m_codewords = codewords;
+ m_numcols = numcols;
+ m_numrows = numrows;
+ m_bits.SetSize(numcols * numrows);
+ for (FX_INT32 i = 0; i < numcols * numrows; i++) {
+ m_bits[i] = (FX_BYTE) 2;
+ }
+}
+CBC_DefaultPlacement::~CBC_DefaultPlacement()
+{
+ m_bits.RemoveAll();
+}
+FX_INT32 CBC_DefaultPlacement::getNumrows()
+{
+ return m_numrows;
+}
+FX_INT32 CBC_DefaultPlacement::getNumcols()
+{
+ return m_numcols;
+}
+CFX_ByteArray& CBC_DefaultPlacement::getBits()
+{
+ return m_bits;
+}
+FX_BOOL CBC_DefaultPlacement::getBit(FX_INT32 col, FX_INT32 row)
+{
+ return m_bits[row * m_numcols + col] == 1;
+}
+void CBC_DefaultPlacement::setBit(FX_INT32 col, FX_INT32 row, FX_BOOL bit)
+{
+ m_bits[row * m_numcols + col] = bit ? (FX_BYTE) 1 : (FX_BYTE) 0;
+}
+FX_BOOL CBC_DefaultPlacement::hasBit(FX_INT32 col, FX_INT32 row)
+{
+ return m_bits[row * m_numcols + col] != 2;
+}
+void CBC_DefaultPlacement::place()
+{
+ FX_INT32 pos = 0;
+ FX_INT32 row = 4;
+ FX_INT32 col = 0;
+ do {
+ if ((row == m_numrows) && (col == 0)) {
+ corner1(pos++);
+ }
+ if ((row == m_numrows - 2) && (col == 0) && ((m_numcols % 4) != 0)) {
+ corner2(pos++);
+ }
+ if ((row == m_numrows - 2) && (col == 0) && (m_numcols % 8 == 4)) {
+ corner3(pos++);
+ }
+ if ((row == m_numrows + 4) && (col == 2) && ((m_numcols % 8) == 0)) {
+ corner4(pos++);
+ }
+ do {
+ if ((row < m_numrows) && (col >= 0) && !hasBit(col, row)) {
+ utah(row, col, pos++);
+ }
+ row -= 2;
+ col += 2;
+ } while (row >= 0 && (col < m_numcols));
+ row++;
+ col += 3;
+ do {
+ if ((row >= 0) && (col < m_numcols) && !hasBit(col, row)) {
+ utah(row, col, pos++);
+ }
+ row += 2;
+ col -= 2;
+ } while ((row < m_numrows) && (col >= 0));
+ row += 3;
+ col++;
+ } while ((row < m_numrows) || (col < m_numcols));
+ if (!hasBit(m_numcols - 1, m_numrows - 1)) {
+ setBit(m_numcols - 1, m_numrows - 1, TRUE);
+ setBit(m_numcols - 2, m_numrows - 2, TRUE);
+ }
+}
+void CBC_DefaultPlacement::module(FX_INT32 row, FX_INT32 col, FX_INT32 pos, FX_INT32 bit)
+{
+ if (row < 0) {
+ row += m_numrows;
+ col += 4 - ((m_numrows + 4) % 8);
+ }
+ if (col < 0) {
+ col += m_numcols;
+ row += 4 - ((m_numcols + 4) % 8);
+ }
+ FX_INT32 v = m_codewords.GetAt(pos);
+ v &= 1 << (8 - bit);
+ setBit(col, row, v != 0);
+}
+void CBC_DefaultPlacement::utah(FX_INT32 row, FX_INT32 col, FX_INT32 pos)
+{
+ module(row - 2, col - 2, pos, 1);
+ module(row - 2, col - 1, pos, 2);
+ module(row - 1, col - 2, pos, 3);
+ module(row - 1, col - 1, pos, 4);
+ module(row - 1, col, pos, 5);
+ module(row, col - 2, pos, 6);
+ module(row, col - 1, pos, 7);
+ module(row, col, pos, 8);
+}
+void CBC_DefaultPlacement::corner1(FX_INT32 pos)
+{
+ module(m_numrows - 1, 0, pos, 1);
+ module(m_numrows - 1, 1, pos, 2);
+ module(m_numrows - 1, 2, pos, 3);
+ module(0, m_numcols - 2, pos, 4);
+ module(0, m_numcols - 1, pos, 5);
+ module(1, m_numcols - 1, pos, 6);
+ module(2, m_numcols - 1, pos, 7);
+ module(3, m_numcols - 1, pos, 8);
+}
+void CBC_DefaultPlacement::corner2(FX_INT32 pos)
+{
+ module(m_numrows - 3, 0, pos, 1);
+ module(m_numrows - 2, 0, pos, 2);
+ module(m_numrows - 1, 0, pos, 3);
+ module(0, m_numcols - 4, pos, 4);
+ module(0, m_numcols - 3, pos, 5);
+ module(0, m_numcols - 2, pos, 6);
+ module(0, m_numcols - 1, pos, 7);
+ module(1, m_numcols - 1, pos, 8);
+}
+void CBC_DefaultPlacement::corner3(FX_INT32 pos)
+{
+ module(m_numrows - 3, 0, pos, 1);
+ module(m_numrows - 2, 0, pos, 2);
+ module(m_numrows - 1, 0, pos, 3);
+ module(0, m_numcols - 2, pos, 4);
+ module(0, m_numcols - 1, pos, 5);
+ module(1, m_numcols - 1, pos, 6);
+ module(2, m_numcols - 1, pos, 7);
+ module(3, m_numcols - 1, pos, 8);
+}
+void CBC_DefaultPlacement::corner4(FX_INT32 pos)
+{
+ module(m_numrows - 1, 0, pos, 1);
+ module(m_numrows - 1, m_numcols - 1, pos, 2);
+ module(0, m_numcols - 3, pos, 3);
+ module(0, m_numcols - 2, pos, 4);
+ module(0, m_numcols - 1, pos, 5);
+ module(1, m_numcols - 3, pos, 6);
+ module(1, m_numcols - 2, pos, 7);
+ module(1, m_numcols - 1, pos, 8);
+}
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