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Unified Diff: xfa/src/fxbarcode/src/BC_OnedCode39Reader.cpp

Issue 842043002: Organize barcode codes into modules. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: rebase Created 5 years, 11 months ago
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Index: xfa/src/fxbarcode/src/BC_OnedCode39Reader.cpp
diff --git a/xfa/src/fxbarcode/src/BC_OnedCode39Reader.cpp b/xfa/src/fxbarcode/src/BC_OnedCode39Reader.cpp
deleted file mode 100644
index 95b1785fef8ef3c34205d43ba6c6ca534ef3584f..0000000000000000000000000000000000000000
--- a/xfa/src/fxbarcode/src/BC_OnedCode39Reader.cpp
+++ /dev/null
@@ -1,293 +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_OnedCode39Reader.h"
-FX_LPCSTR CBC_OnedCode39Reader::ALPHABET_STRING = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. *$/+%";
-FX_LPCSTR CBC_OnedCode39Reader::CHECKSUM_STRING = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%";
-const FX_INT32 CBC_OnedCode39Reader::CHARACTER_ENCODINGS[44] = {
- 0x034, 0x121, 0x061, 0x160, 0x031, 0x130, 0x070, 0x025, 0x124, 0x064,
- 0x109, 0x049, 0x148, 0x019, 0x118, 0x058, 0x00D, 0x10C, 0x04C, 0x01C,
- 0x103, 0x043, 0x142, 0x013, 0x112, 0x052, 0x007, 0x106, 0x046, 0x016,
- 0x181, 0x0C1, 0x1C0, 0x091, 0x190, 0x0D0, 0x085, 0x184, 0x0C4, 0x094,
- 0x0A8, 0x0A2, 0x08A, 0x02A
-};
-const FX_INT32 CBC_OnedCode39Reader::ASTERISK_ENCODING = 0x094;
-CBC_OnedCode39Reader::CBC_OnedCode39Reader(): m_extendedMode(FALSE), m_usingCheckDigit(FALSE)
-{
-}
-CBC_OnedCode39Reader::CBC_OnedCode39Reader(FX_BOOL usingCheckDigit)
-{
- m_usingCheckDigit = usingCheckDigit;
- m_extendedMode = FALSE;
-}
-CBC_OnedCode39Reader::CBC_OnedCode39Reader(FX_BOOL usingCheckDigit, FX_BOOL extendedMode)
-{
- m_extendedMode = extendedMode;
- m_usingCheckDigit = usingCheckDigit;
-}
-CBC_OnedCode39Reader::~CBC_OnedCode39Reader()
-{
-}
-CFX_ByteString CBC_OnedCode39Reader::DecodeRow(FX_INT32 rowNumber, CBC_CommonBitArray *row, FX_INT32 hints, FX_INT32 &e)
-{
- CFX_Int32Array *start = FindAsteriskPattern(row, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, "");
- FX_INT32 nextStart = (*start)[1];
- if(start != NULL) {
- delete start;
- start = NULL;
- }
- FX_INT32 end = row->GetSize();
- while (nextStart < end && !row->Get(nextStart)) {
- nextStart++;
- }
- CFX_ByteString result;
- CFX_Int32Array counters;
- counters.SetSize(9);
- FX_CHAR decodedChar;
- FX_INT32 lastStart;
- do {
- RecordPattern(row, nextStart, &counters, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, "");
- FX_INT32 pattern = ToNarrowWidePattern(&counters);
- if (pattern < 0) {
- e = BCExceptionNotFound;
- return "";
- }
- decodedChar = PatternToChar(pattern, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, "");
- result += decodedChar;
- lastStart = nextStart;
- for (FX_INT32 i = 0; i < counters.GetSize(); i++) {
- nextStart += counters[i];
- }
- while (nextStart < end && !row->Get(nextStart)) {
- nextStart++;
- }
- } while (decodedChar != '*');
- result = result.Mid(0, result.GetLength() - 1);
- FX_INT32 lastPatternSize = 0;
- for (FX_INT32 j = 0; j < counters.GetSize(); j++) {
- lastPatternSize += counters[j];
- }
- FX_INT32 whiteSpaceAfterEnd = nextStart - lastStart - lastPatternSize;
- if(m_usingCheckDigit) {
- FX_INT32 max = result.GetLength() - 1;
- FX_INT32 total = 0;
- FX_INT32 len = (FX_INT32)strlen(ALPHABET_STRING);
- for (FX_INT32 k = 0; k < max; k++) {
- for (FX_INT32 j = 0; j < len; j++)
- if (ALPHABET_STRING[j] == result[k]) {
- total += j;
- }
- }
- if (result[max] != (ALPHABET_STRING)[total % 43]) {
- e = BCExceptionChecksumException;
- return "";
- }
- result = result.Mid(0, result.GetLength() - 1);
- }
- if (result.GetLength() == 0) {
- e = BCExceptionNotFound;
- return "";
- }
- if(m_extendedMode) {
- CFX_ByteString bytestr = DecodeExtended(result, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, "");
- return bytestr;
- } else {
- return result;
- }
-}
-CFX_Int32Array *CBC_OnedCode39Reader::FindAsteriskPattern(CBC_CommonBitArray *row, FX_INT32 &e)
-{
- FX_INT32 width = row->GetSize();
- FX_INT32 rowOffset = 0;
- while (rowOffset < width) {
- if (row->Get(rowOffset)) {
- break;
- }
- rowOffset++;
- }
- FX_INT32 counterPosition = 0;
- CFX_Int32Array counters;
- counters.SetSize(9);
- FX_INT32 patternStart = rowOffset;
- FX_BOOL isWhite = FALSE;
- FX_INT32 patternLength = counters.GetSize();
- for (FX_INT32 i = rowOffset; i < width; i++) {
- FX_BOOL pixel = row->Get(i);
- if (pixel ^ isWhite) {
- counters[counterPosition]++;
- } else {
- if (counterPosition == patternLength - 1) {
- if (ToNarrowWidePattern(&counters) == ASTERISK_ENCODING) {
- FX_BOOL bT1 = row->IsRange(FX_MAX(0, patternStart - (i - patternStart) / 2), patternStart, FALSE, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- if (bT1) {
- CFX_Int32Array *result = FX_NEW CFX_Int32Array;
- result->SetSize(2);
- (*result)[0] = patternStart;
- (*result)[1] = i;
- 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;
- return NULL;
-}
-FX_INT32 CBC_OnedCode39Reader::ToNarrowWidePattern(CFX_Int32Array *counters)
-{
- FX_INT32 numCounters = counters->GetSize();
- FX_INT32 maxNarrowCounter = 0;
- FX_INT32 wideCounters;
- do {
-#undef max
- FX_INT32 minCounter = FXSYS_IntMax;
- for (FX_INT32 i = 0; i < numCounters; i++) {
- FX_INT32 counter = (*counters)[i];
- if (counter < minCounter && counter > maxNarrowCounter) {
- minCounter = counter;
- }
- }
- maxNarrowCounter = minCounter;
- wideCounters = 0;
- FX_INT32 totalWideCountersWidth = 0;
- FX_INT32 pattern = 0;
- for (FX_INT32 j = 0; j < numCounters; j++) {
- FX_INT32 counter = (*counters)[j];
- if ((*counters)[j] > maxNarrowCounter) {
- pattern |= 1 << (numCounters - 1 - j);
- wideCounters++;
- totalWideCountersWidth += counter;
- }
- }
- if (wideCounters == 3) {
- for (FX_INT32 k = 0; k < numCounters && wideCounters > 0; k++) {
- FX_INT32 counter = (*counters)[k];
- if ((*counters)[k] > maxNarrowCounter) {
- wideCounters--;
- if ((counter << 1) >= totalWideCountersWidth) {
- return -1;
- }
- }
- }
- return pattern;
- }
- } while (wideCounters > 3);
- return -1;
-}
-FX_CHAR CBC_OnedCode39Reader::PatternToChar(FX_INT32 pattern, FX_INT32 &e)
-{
- for (FX_INT32 i = 0; i < 44; i++) {
- if (CHARACTER_ENCODINGS[i] == pattern) {
- return (ALPHABET_STRING)[i];
- }
- }
- e = BCExceptionNotFound;
- return 0;
-}
-CFX_ByteString CBC_OnedCode39Reader::DecodeExtended(CFX_ByteString &encoded, FX_INT32 &e)
-{
- FX_INT32 length = encoded.GetLength();
- CFX_ByteString decoded;
- FX_CHAR c, next;
- for(FX_INT32 i = 0; i < length; i++) {
- c = encoded[i];
- if(c == '+' || c == '$' || c == '%' || c == '/') {
- next = encoded[i + 1];
- FX_CHAR decodedChar = '\0';
- switch (c) {
- case '+':
- if (next >= 'A' && next <= 'Z') {
- decodedChar = (FX_CHAR) (next + 32);
- } else {
- e = BCExceptionFormatException;
- return "";
- }
- break;
- case '$':
- if (next >= 'A' && next <= 'Z') {
- decodedChar = (FX_CHAR) (next - 64);
- } else {
- e = BCExceptionFormatException;
- return "";
- }
- break;
- case '%':
- if (next >= 'A' && next <= 'E') {
- decodedChar = (FX_CHAR) (next - 38);
- } else if (next >= 'F' && next <= 'J') {
- decodedChar = (FX_CHAR) (next - 11);
- } else if (next >= 'K' && next <= 'O' && next != 'M' && next != 'N') {
- decodedChar = (FX_CHAR) (next + 16);
- } else if (next >= 'P' && next <= 'S') {
- decodedChar = (FX_CHAR) (next + 43);
- } else if (next == 'U') {
- decodedChar = (FX_CHAR) 0;
- } else if (next == 'V') {
- decodedChar = (FX_CHAR) 64;
- } else if (next == 'W') {
- decodedChar = (FX_CHAR) 96;
- } else if (next == 'T' || next == 'X' || next == 'Y' || next == 'Z') {
- decodedChar = (FX_CHAR) 127;
- } else {
- e = BCExceptionFormatException;
- return "";
- }
- break;
- case '/':
- if (next >= 'A' && next <= 'O') {
- decodedChar = (FX_CHAR) (next - 32);
- } else if (next == 'Z') {
- decodedChar = ':';
- } else {
- e = BCExceptionFormatException;
- return "";
- }
- break;
- }
- decoded += decodedChar;
- i++;
- } else {
- decoded += c;
- }
- }
- return decoded;
-}
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