Organize barcode codes into modules.

xfa/src/fxbarcode/src/BC_OneDimReader.cpp

Index: xfa/src/fxbarcode/src/BC_OneDimReader.cpp
diff --git a/xfa/src/fxbarcode/src/BC_OneDimReader.cpp b/xfa/src/fxbarcode/src/BC_OneDimReader.cpp
deleted file mode 100644
index 9855244f42e2b46469315e623172512e50b107a8..0000000000000000000000000000000000000000
--- a/xfa/src/fxbarcode/src/BC_OneDimReader.cpp
+++ /dev/null
@@ -1,235 +0,0 @@
-// 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 2008 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 "include/BC_Reader.h"
-#include "include/BC_OneDReader.h"
-#include "include/BC_CommonBitArray.h"
-#include "include/BC_OneDimReader.h"
-const FX_INT32 CBC_OneDimReader::MAX_AVG_VARIANCE = (FX_INT32)(256 * 0.48f);
-const FX_INT32 CBC_OneDimReader::MAX_INDIVIDUAL_VARIANCE = (FX_INT32)(256 * 0.7f);
-const FX_INT32 CBC_OneDimReader::START_END_PATTERN[3] = {1, 1, 1};
-const FX_INT32 CBC_OneDimReader::MIDDLE_PATTERN[5] = {1, 1, 1, 1, 1};
-const FX_INT32 CBC_OneDimReader::L_PATTERNS[10][4] = {
-    {3, 2, 1, 1},
-    {2, 2, 2, 1},
-    {2, 1, 2, 2},
-    {1, 4, 1, 1},
-    {1, 1, 3, 2},
-    {1, 2, 3, 1},
-    {1, 1, 1, 4},
-    {1, 3, 1, 2},
-    {1, 2, 1, 3},
-    {3, 1, 1, 2}
-};
-const FX_INT32 CBC_OneDimReader::L_AND_G_PATTERNS[20][4] = {
-    {3, 2, 1, 1},
-    {2, 2, 2, 1},
-    {2, 1, 2, 2},
-    {1, 4, 1, 1},
-    {1, 1, 3, 2},
-    {1, 2, 3, 1},
-    {1, 1, 1, 4},
-    {1, 3, 1, 2},
-    {1, 2, 1, 3},
-    {3, 1, 1, 2},
-    {1, 1, 2, 3},
-    {1, 2, 2, 2},
-    {2, 2, 1, 2},
-    {1, 1, 4, 1},
-    {2, 3, 1, 1},
-    {1, 3, 2, 1},
-    {4, 1, 1, 1},
-    {2, 1, 3, 1},
-    {3, 1, 2, 1},
-    {2, 1, 1, 3}
-};
-CBC_OneDimReader::CBC_OneDimReader()
-{
-}
-CBC_OneDimReader::~CBC_OneDimReader()
-{
-}
-CFX_Int32Array *CBC_OneDimReader::FindStartGuardPattern(CBC_CommonBitArray *row, FX_INT32 &e)
-{
-    FX_BOOL foundStart = FALSE;
-    CFX_Int32Array *startRange = NULL;
-    CFX_Int32Array startEndPattern;
-    startEndPattern.SetSize(3);
-    startEndPattern[0] = START_END_PATTERN[0];
-    startEndPattern[1] = START_END_PATTERN[1];
-    startEndPattern[2] = START_END_PATTERN[2];
-    FX_INT32 nextStart = 0;
-    while (!foundStart) {
-        if(startRange != NULL) {
-            delete startRange;
-            startRange = NULL;
-        }
-        startRange = FindGuardPattern(row, nextStart, FALSE, &startEndPattern, e);
-        BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-        FX_INT32 start = (*startRange)[0];
-        nextStart = (*startRange)[1];
-        if (start <= 1) {
-            break;
-        }
-        FX_INT32 quietStart = start - (nextStart - start);
-        if (quietStart >= 0) {
-            FX_BOOL booT = row->IsRange(quietStart, start, FALSE, e);
-            BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-            foundStart = booT;
-        }
-    }
-    return startRange;
-}
-CFX_ByteString CBC_OneDimReader::DecodeRow(FX_INT32 rowNumber, CBC_CommonBitArray *row, FX_INT32 hints, FX_INT32 &e)
-{
-    CFX_Int32Array* StartPattern = FindStartGuardPattern(row, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, "");
-    CBC_AutoPtr<CFX_Int32Array > result(StartPattern);
-    CFX_ByteString temp = DecodeRow(rowNumber, row, result.get(), hints, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, "");
-    return temp;
-}
-CFX_ByteString CBC_OneDimReader::DecodeRow(FX_INT32 rowNumber, CBC_CommonBitArray *row, CFX_Int32Array *startGuardRange, FX_INT32 hints, FX_INT32 &e)
-{
-    CFX_ByteString result;
-    FX_INT32 endStart = DecodeMiddle(row, startGuardRange, result, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, "");
-    FX_BOOL b = CheckChecksum(result, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, "");
-    if (!b) {
-        e = BCExceptionChecksumException;
-        return "";
-    }
-    return result;
-}
-FX_BOOL CBC_OneDimReader::CheckChecksum(CFX_ByteString &s, FX_INT32 &e)
-{
-    FX_BOOL temp = CheckStandardUPCEANChecksum(s, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
-    return temp;
-}
-FX_BOOL CBC_OneDimReader::CheckStandardUPCEANChecksum(CFX_ByteString &s, FX_INT32 &e)
-{
-    FX_INT32 length = s.GetLength();
-    if (length == 0) {
-        return FALSE;
-    }
-    FX_INT32 sum = 0;
-    for (FX_INT32 i = length - 2; i >= 0; i -= 2) {
-        FX_INT32 digit = (FX_INT32) s[i] - (FX_INT32) '0';
-        if (digit < 0 || digit > 9) {
-            e = BCExceptionFormatException;
-            return FALSE;
-        }
-        sum += digit;
-    }
-    sum *= 3;
-    for (FX_INT32 j = length - 1; j >= 0; j -= 2) {
-        FX_INT32 digit = (FX_INT32) s[j] - (FX_INT32) '0';
-        if (digit < 0 || digit > 9) {
-            e = BCExceptionFormatException;
-            return FALSE;
-        }
-        sum += digit;
-    }
-    return sum % 10 == 0;
-}
-CFX_Int32Array *CBC_OneDimReader::DecodeEnd(CBC_CommonBitArray* row, FX_INT32 endStart, FX_INT32 &e)
-{
-    CFX_Int32Array startEndPattern;
-    startEndPattern.Add(START_END_PATTERN[0]);
-    startEndPattern.Add(START_END_PATTERN[1]);
-    startEndPattern.Add(START_END_PATTERN[2]);
-    CFX_Int32Array* FindGuard = FindGuardPattern(row, endStart, FALSE, &startEndPattern, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    return FindGuard;
-}
-CFX_Int32Array *CBC_OneDimReader::FindGuardPattern(CBC_CommonBitArray *row, FX_INT32 rowOffset, FX_BOOL whiteFirst, CFX_Int32Array *pattern, FX_INT32 &e)
-{
-    FX_INT32 patternLength = pattern->GetSize();
-    CFX_Int32Array counters;
-    counters.SetSize(patternLength);
-    FX_INT32 width = row->GetSize();
-    FX_BOOL isWhite = FALSE;
-    while (rowOffset < width) {
-        isWhite = !row->Get(rowOffset);
-        if (whiteFirst == isWhite) {
-            break;
-        }
-        rowOffset++;
-    }
-    FX_INT32 counterPosition = 0;
-    FX_INT32 patternStart = rowOffset;
-    for (FX_INT32 x = rowOffset; x < width; x++) {
-        FX_BOOL pixel = row->Get(x);
-        if (pixel ^ isWhite) {
-            counters[counterPosition]++;
-        } else {
-            if (counterPosition == patternLength - 1) {
-                if (PatternMatchVariance(&counters, &(*pattern)[0], MAX_INDIVIDUAL_VARIANCE) < MAX_AVG_VARIANCE) {
-                    CFX_Int32Array *result = FX_NEW CFX_Int32Array();
-                    result->SetSize(2);
-                    (*result)[0] = patternStart;
-                    (*result)[1] = x;
-                    return result;
-                }
-                patternStart += counters[0] + counters[1];
-                for (FX_INT32 y = 2; y < patternLength; y++) {
-                    counters[y - 2] = counters[y];
-                }
-                counters[patternLength - 2] = 0;
-                counters[patternLength - 1] = 0;
-                counterPosition--;
-            } else {
-                counterPosition++;
-            }
-            counters[counterPosition] = 1;
-            isWhite = !isWhite;
-        }
-    }
-    e = BCExceptionNotFound;
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    return NULL;
-}
-FX_INT32 CBC_OneDimReader::DecodeDigit(CBC_CommonBitArray *row, CFX_Int32Array *counters, FX_INT32 rowOffset, const FX_INT32* patterns, FX_INT32 patternLength, FX_INT32 &e)
-{
-    RecordPattern(row, rowOffset, counters, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, 0);
-    FX_INT32 bestVariance = MAX_AVG_VARIANCE;
-    FX_INT32 bestMatch = -1;
-    FX_INT32 max = patternLength;
-    for (FX_INT32 i = 0; i < max; i++) {
-        FX_INT32 variance = PatternMatchVariance(counters, &patterns[i * 4], MAX_INDIVIDUAL_VARIANCE);
-        if (variance < bestVariance) {
-            bestVariance = variance;
-            bestMatch = i;
-        }
-    }
-    if (bestMatch >= 0) {
-        return bestMatch;
-    } else {
-        e = BCExceptionNotFound;
-        return 0;
-    }
-    return 0;
-}