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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 "../barcode.h"
#include "../BC_Writer.h"
#include "../BC_Reader.h"
#include "BC_OneDReader.h"
#include "BC_OneDimWriter.h"
#include "BC_OnedCode128Reader.h"
#include "BC_OnedCode128Writer.h"
const FX_INT32 CBC_OnedCode128Writer::CODE_CODE_B = 100;
const FX_INT32 CBC_OnedCode128Writer::CODE_CODE_C = 99;
const FX_INT32 CBC_OnedCode128Writer::CODE_START_B = 104;
const FX_INT32 CBC_OnedCode128Writer::CODE_START_C = 105;
const FX_INT32 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(FX_WSTR contents)
{
FX_BOOL ret = TRUE;
FX_INT32 position = 0;
FX_INT32 patternIndex = -1;
if (m_codeFormat == BC_CODE128_B || m_codeFormat == BC_CODE128_C) {
while (position < contents.GetLength()) {
patternIndex = (FX_INT32)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(FX_WSTR contents)
{
CFX_WideString filterChineseChar;
FX_WCHAR ch;
for (FX_INT32 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 (FX_INT32 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 (FX_INT32 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;
}
FX_BYTE *CBC_OnedCode128Writer::Encode(const CFX_ByteString &contents, BCFORMAT format, FX_INT32 &outWidth, FX_INT32 &outHeight, FX_INT32 hints, FX_INT32 &e)
{
if(format != BCFORMAT_CODE_128) {
e = BCExceptionOnlyEncodeCODE_128;
return NULL;
}
FX_BYTE *ret = CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
return ret;
}
FX_BYTE *CBC_OnedCode128Writer::Encode(const CFX_ByteString &contents, BCFORMAT format, FX_INT32 &outWidth, FX_INT32 &outHeight, FX_INT32 &e)
{
FX_BYTE *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, FX_INT32 start, FX_INT32 length)
{
FX_INT32 end = start + length;
for (FX_INT32 i = start; i < end; i++) {
if (contents[i] < '0' || contents[i] > '9') {
return FALSE;
}
}
return TRUE;
}
FX_BYTE *CBC_OnedCode128Writer::Encode(const CFX_ByteString &contents, FX_INT32 &outLength, FX_INT32 &e)
{
FX_INT32 length = contents.GetLength();
if(contents.GetLength() < 1 || contents.GetLength() > 80) {
e = BCExceptionContentsLengthShouldBetween1and80;
return NULL;
}
CFX_PtrArray patterns;
FX_INT32 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((FX_INT32*)CBC_OnedCode128Reader::CODE_PATTERNS[checkSum]);
patterns.Add((FX_INT32*)CBC_OnedCode128Reader::CODE_PATTERNS[CODE_STOP]);
m_iContentLen = contents.GetLength() + 3;
FX_INT32 codeWidth = 0;
for(FX_INT32 k = 0; k < patterns.GetSize(); k++) {
FX_INT32 *pattern = (FX_INT32*)patterns[k];
for(FX_INT32 j = 0; j < 7; j++) {
codeWidth += pattern[j];
}
}
outLength = codeWidth;
FX_BYTE *result = FX_Alloc(FX_BYTE, outLength);
FX_INT32 pos = 0;
for(FX_INT32 j = 0; j < patterns.GetSize(); j++) {
FX_INT32* pattern = (FX_INT32*)patterns[j];
pos += AppendPattern(result, pos, pattern, 7, 1, e);
if (e != BCExceptionNO) {
FX_Free (result);
return NULL;
}
}
return result;
}
FX_INT32 CBC_OnedCode128Writer::Encode128B(const CFX_ByteString &contents, CFX_PtrArray &patterns)
{
FX_INT32 checkSum = 0;
FX_INT32 checkWeight = 1;
FX_INT32 position = 0;
patterns.Add((FX_INT32*)CBC_OnedCode128Reader::CODE_PATTERNS[CODE_START_B]);
checkSum += CODE_START_B * checkWeight;
while (position < contents.GetLength()) {
FX_INT32 patternIndex = 0;
patternIndex = contents[position] - ' ';
position += 1;
patterns.Add((FX_INT32*)CBC_OnedCode128Reader::CODE_PATTERNS[patternIndex]);
checkSum += patternIndex * checkWeight;
if (position != 0) {
checkWeight++;
}
}
return checkSum;
}
FX_INT32 CBC_OnedCode128Writer::Encode128C(const CFX_ByteString &contents, CFX_PtrArray &patterns)
{
FX_INT32 checkSum = 0;
FX_INT32 checkWeight = 1;
FX_INT32 position = 0;
patterns.Add((FX_INT32*)CBC_OnedCode128Reader::CODE_PATTERNS[CODE_START_C]);
checkSum += CODE_START_C * checkWeight;
while (position < contents.GetLength()) {
FX_INT32 patternIndex = 0;
FX_CHAR ch = contents.GetAt(position);
if (ch < '0' || ch > '9') {
patternIndex = (FX_INT32)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((FX_INT32*)CBC_OnedCode128Reader::CODE_PATTERNS[patternIndex]);
checkSum += patternIndex * checkWeight;
if (position != 0) {
checkWeight++;
}
}
return checkSum;
}