Organize barcode codes into modules.

xfa/src/fxbarcode/src/BC_DefaultPlacement.cpp

-// 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 "include/BC_Encoder.h"
-#include "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);
-}