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// 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 2010 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 "xfa/src/fxbarcode/BC_Reader.h"
#include "xfa/src/fxbarcode/BC_Writer.h"
#include "xfa/src/fxbarcode/barcode.h"
#include "xfa/src/fxbarcode/oned/BC_OneDReader.h"
#include "xfa/src/fxbarcode/oned/BC_OneDimWriter.h"
#include "xfa/src/fxbarcode/oned/BC_OnedCode128Reader.h"
#include "xfa/src/fxbarcode/oned/BC_OnedCode128Writer.h"
const int32_t CBC_OnedCode128Writer::CODE_CODE_B = 100;
const int32_t CBC_OnedCode128Writer::CODE_CODE_C = 99;
const int32_t CBC_OnedCode128Writer::CODE_START_B = 104;
const int32_t CBC_OnedCode128Writer::CODE_START_C = 105;
const int32_t CBC_OnedCode128Writer::CODE_STOP = 106;
CBC_OnedCode128Writer::CBC_OnedCode128Writer() {
m_codeFormat = BC_CODE128_B;
}
CBC_OnedCode128Writer::CBC_OnedCode128Writer(BC_TYPE type) {
m_codeFormat = type;
}
CBC_OnedCode128Writer::~CBC_OnedCode128Writer() {}
BC_TYPE CBC_OnedCode128Writer::GetType() {
return m_codeFormat;
}
FX_BOOL CBC_OnedCode128Writer::CheckContentValidity(
const CFX_WideStringC& contents) {
FX_BOOL ret = TRUE;
int32_t position = 0;
int32_t patternIndex = -1;
if (m_codeFormat == BC_CODE128_B || m_codeFormat == BC_CODE128_C) {
while (position < contents.GetLength()) {
patternIndex = (int32_t)contents.GetAt(position);
if (patternIndex >= 32 && patternIndex <= 126 && patternIndex != 34) {
position++;
continue;
} else {
ret = FALSE;
break;
}
position++;
}
} else {
ret = FALSE;
}
return ret;
}
CFX_WideString CBC_OnedCode128Writer::FilterContents(
const CFX_WideStringC& contents) {
CFX_WideString filterChineseChar;
FX_WCHAR ch;
for (int32_t i = 0; i < contents.GetLength(); i++) {
ch = contents.GetAt(i);
if (ch > 175) {
i++;
continue;
}
filterChineseChar += ch;
}
CFX_WideString filtercontents;
if (m_codeFormat == BC_CODE128_B) {
for (int32_t i = 0; i < filterChineseChar.GetLength(); i++) {
ch = filterChineseChar.GetAt(i);
if (ch >= 32 && ch <= 126) {
filtercontents += ch;
} else {
continue;
}
}
} else if (m_codeFormat == BC_CODE128_C) {
for (int32_t i = 0; i < filterChineseChar.GetLength(); i++) {
ch = filterChineseChar.GetAt(i);
if (ch >= 32 && ch <= 106) {
filtercontents += ch;
} else {
continue;
}
}
} else {
filtercontents = contents;
}
return filtercontents;
}
FX_BOOL CBC_OnedCode128Writer::SetTextLocation(BC_TEXT_LOC location) {
if (location < BC_TEXT_LOC_NONE || location > BC_TEXT_LOC_BELOWEMBED) {
return FALSE;
}
m_locTextLoc = location;
return TRUE;
}
uint8_t* CBC_OnedCode128Writer::Encode(const CFX_ByteString& contents,
BCFORMAT format,
int32_t& outWidth,
int32_t& outHeight,
int32_t hints,
int32_t& e) {
if (format != BCFORMAT_CODE_128) {
e = BCExceptionOnlyEncodeCODE_128;
return NULL;
}
uint8_t* ret =
CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
return ret;
}
uint8_t* CBC_OnedCode128Writer::Encode(const CFX_ByteString& contents,
BCFORMAT format,
int32_t& outWidth,
int32_t& outHeight,
int32_t& e) {
uint8_t* ret = Encode(contents, format, outWidth, outHeight, 0, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
return ret;
}
FX_BOOL CBC_OnedCode128Writer::IsDigits(const CFX_ByteString& contents,
int32_t start,
int32_t length) {
int32_t end = start + length;
for (int32_t i = start; i < end; i++) {
if (contents[i] < '0' || contents[i] > '9') {
return FALSE;
}
}
return TRUE;
}
uint8_t* CBC_OnedCode128Writer::Encode(const CFX_ByteString& contents,
int32_t& outLength,
int32_t& e) {
if (contents.GetLength() < 1 || contents.GetLength() > 80) {
e = BCExceptionContentsLengthShouldBetween1and80;
return NULL;
}
CFX_PtrArray patterns;
int32_t checkSum = 0;
if (m_codeFormat == BC_CODE128_B) {
checkSum = Encode128B(contents, patterns);
} else if (m_codeFormat == BC_CODE128_C) {
checkSum = Encode128C(contents, patterns);
} else {
e = BCExceptionFormatException;
return NULL;
}
checkSum %= 103;
patterns.Add((int32_t*)CBC_OnedCode128Reader::CODE_PATTERNS[checkSum]);
patterns.Add((int32_t*)CBC_OnedCode128Reader::CODE_PATTERNS[CODE_STOP]);
m_iContentLen = contents.GetLength() + 3;
int32_t codeWidth = 0;
for (int32_t k = 0; k < patterns.GetSize(); k++) {
int32_t* pattern = (int32_t*)patterns[k];
for (int32_t j = 0; j < 7; j++) {
codeWidth += pattern[j];
}
}
outLength = codeWidth;
uint8_t* result = FX_Alloc(uint8_t, outLength);
int32_t pos = 0;
for (int32_t j = 0; j < patterns.GetSize(); j++) {
int32_t* pattern = (int32_t*)patterns[j];
pos += AppendPattern(result, pos, pattern, 7, 1, e);
if (e != BCExceptionNO) {
FX_Free(result);
return NULL;
}
}
return result;
}
int32_t CBC_OnedCode128Writer::Encode128B(const CFX_ByteString& contents,
CFX_PtrArray& patterns) {
int32_t checkSum = 0;
int32_t checkWeight = 1;
int32_t position = 0;
patterns.Add((int32_t*)CBC_OnedCode128Reader::CODE_PATTERNS[CODE_START_B]);
checkSum += CODE_START_B * checkWeight;
while (position < contents.GetLength()) {
int32_t patternIndex = 0;
patternIndex = contents[position] - ' ';
position += 1;
patterns.Add((int32_t*)CBC_OnedCode128Reader::CODE_PATTERNS[patternIndex]);
checkSum += patternIndex * checkWeight;
if (position != 0) {
checkWeight++;
}
}
return checkSum;
}
int32_t CBC_OnedCode128Writer::Encode128C(const CFX_ByteString& contents,
CFX_PtrArray& patterns) {
int32_t checkSum = 0;
int32_t checkWeight = 1;
int32_t position = 0;
patterns.Add((int32_t*)CBC_OnedCode128Reader::CODE_PATTERNS[CODE_START_C]);
checkSum += CODE_START_C * checkWeight;
while (position < contents.GetLength()) {
int32_t patternIndex = 0;
FX_CHAR ch = contents.GetAt(position);
if (ch < '0' || ch > '9') {
patternIndex = (int32_t)ch;
position++;
} else {
patternIndex = FXSYS_atoi(contents.Mid(position, 2));
if (contents.GetAt(position + 1) < '0' ||
contents.GetAt(position + 1) > '9') {
position += 1;
} else {
position += 2;
}
}
patterns.Add((int32_t*)CBC_OnedCode128Reader::CODE_PATTERNS[patternIndex]);
checkSum += patternIndex * checkWeight;
if (position != 0) {
checkWeight++;
}
}
return checkSum;
}
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