// 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 "../common/BC_CommonBitMatrix.h" | |
#include "BC_OneDReader.h" | |
#include "BC_OneDimWriter.h" | |
#include "BC_OnedCode39Reader.h" | |
#include "BC_OnedCode39Writer.h" | |
CBC_OnedCode39Writer::CBC_OnedCode39Writer() | |
{ | |
m_extendedMode = FALSE; | |
m_iWideNarrRatio = 3; | |
} | |
CBC_OnedCode39Writer::CBC_OnedCode39Writer(FX_BOOL extendedMode) | |
{ | |
m_iWideNarrRatio = 3; | |
m_extendedMode = extendedMode; | |
} | |
CBC_OnedCode39Writer::~CBC_OnedCode39Writer() | |
{ | |
} | |
FX_BOOL CBC_OnedCode39Writer::CheckContentValidity(FX_WSTR contents) | |
{ | |
if (m_extendedMode) { | |
return CheckExtendedContentValidity(contents); | |
} | |
for(FX_INT32 i = 0; i < contents.GetLength(); i++) { | |
FX_WCHAR ch = contents.GetAt(i); | |
if ((ch >= (FX_WCHAR)'0' && ch <= (FX_WCHAR)'9') || (ch >= (FX_WCHAR)'A' && ch <= (FX_WCHAR)'Z') | |
|| ch == (FX_WCHAR)'-' || ch == (FX_WCHAR)'.' || ch == (FX_WCHAR)' ' || ch == (FX_WCHAR)'*' | |
|| ch == (FX_WCHAR)'$' || ch == (FX_WCHAR)'/' || ch == (FX_WCHAR)'+' || ch == (FX_WCHAR)'%') { | |
continue; | |
} | |
return FALSE; | |
} | |
return TRUE; | |
} | |
FX_BOOL CBC_OnedCode39Writer::CheckExtendedContentValidity(FX_WSTR contents) | |
{ | |
for(FX_INT32 i = 0; i < contents.GetLength(); i++) { | |
FX_WCHAR ch = contents.GetAt(i); | |
if (ch > 127) { | |
return FALSE; | |
} | |
} | |
return TRUE; | |
} | |
CFX_WideString CBC_OnedCode39Writer::FilterContents(FX_WSTR contents) | |
{ | |
if (m_extendedMode) { | |
return FilterExtendedContents(contents); | |
} | |
CFX_WideString filtercontents; | |
for(FX_INT32 i = 0; i < contents.GetLength(); i++) { | |
FX_WCHAR ch = contents.GetAt(i); | |
if ( ch == (FX_WCHAR)'*' && (i == 0 || i == contents.GetLength() - 1) ) { | |
continue; | |
} | |
if(ch > 175) { | |
i++; | |
continue; | |
} else { | |
ch = Upper(ch); | |
} | |
if ((ch >= (FX_WCHAR)'0' && ch <= (FX_WCHAR)'9') || (ch >= (FX_WCHAR)'A' && ch <= (FX_WCHAR)'Z') | |
|| ch == (FX_WCHAR)'-' || ch == (FX_WCHAR)'.' || ch == (FX_WCHAR)' ' || ch == (FX_WCHAR)'*' | |
|| ch == (FX_WCHAR)'$' || ch == (FX_WCHAR)'/' || ch == (FX_WCHAR)'+' || ch == (FX_WCHAR)'%') { | |
filtercontents += ch; | |
} | |
} | |
return filtercontents; | |
} | |
CFX_WideString CBC_OnedCode39Writer::FilterExtendedContents(FX_WSTR contents) | |
{ | |
CFX_WideString filtercontents; | |
for(FX_INT32 i = 0; i < contents.GetLength(); i++) { | |
FX_WCHAR ch = contents.GetAt(i); | |
if ( ch == (FX_WCHAR)'*' && (i == 0 || i == contents.GetLength() - 1) ) { | |
continue; | |
} | |
if(ch > 175) { | |
i++; | |
continue; | |
} | |
if (ch > 127 && ch < 176) { | |
continue; | |
} | |
if (ch == 0) { | |
filtercontents += '%'; | |
filtercontents += 'U'; | |
} else if(ch >= 1 && ch <= 26) { | |
filtercontents += '$'; | |
filtercontents += (ch + 64); | |
} else if (ch >= 27 && ch <= 31) { | |
filtercontents += '%'; | |
filtercontents += (ch + 38); | |
} else if (ch >= 33 && ch <= 47 && ch != 45 && ch != 46) { | |
filtercontents += '/'; | |
filtercontents += (ch + 32); | |
} else if (ch == 58) { | |
filtercontents += '/'; | |
filtercontents += 'Z'; | |
} else if (ch >= 59 && ch <= 63) { | |
filtercontents += '%'; | |
filtercontents += ch + 11; | |
} else if (ch == 64) { | |
filtercontents += '%'; | |
filtercontents += 'V'; | |
} else if (ch >= 91 && ch <= 95) { | |
filtercontents += '%'; | |
filtercontents += ch - 16; | |
} else if (ch == 96) { | |
filtercontents += '%'; | |
filtercontents += 'W'; | |
} else if (ch >= 97 && ch <= 122) { | |
filtercontents += '+'; | |
filtercontents += ch - 32; | |
} else if (ch >= 123 && ch <= 126) { | |
filtercontents += '%'; | |
filtercontents += ch - 43; | |
} else if (ch == 127) { | |
filtercontents += '%'; | |
filtercontents += 'T'; | |
} else { | |
filtercontents += ch; | |
} | |
} | |
return filtercontents; | |
} | |
CFX_WideString CBC_OnedCode39Writer::RenderTextContents(FX_WSTR contents) | |
{ | |
if (m_extendedMode) { | |
return RenderExtendedTextContents(contents); | |
} | |
CFX_WideString renderContents; | |
for(FX_INT32 i = 0; i < contents.GetLength(); i++) { | |
FX_WCHAR ch = contents.GetAt(i); | |
if ( ch == (FX_WCHAR)'*' && (i == 0 || i == contents.GetLength() - 1) ) { | |
continue; | |
} | |
if(ch > 175) { | |
i++; | |
continue; | |
} | |
if ((ch >= (FX_WCHAR)'0' && ch <= (FX_WCHAR)'9') || (ch >= (FX_WCHAR)'A' && ch <= (FX_WCHAR)'Z') | |
|| (ch >= (FX_WCHAR)'a' && ch <= (FX_WCHAR)'z') || ch == (FX_WCHAR)'-' || ch == (FX_WCHAR)'.' | |
|| ch == (FX_WCHAR)' ' || ch == (FX_WCHAR)'*' || ch == (FX_WCHAR)'$' || ch == (FX_WCHAR)'/' | |
|| ch == (FX_WCHAR)'+' || ch == (FX_WCHAR)'%') { | |
renderContents += ch; | |
} | |
} | |
return renderContents; | |
} | |
CFX_WideString CBC_OnedCode39Writer::RenderExtendedTextContents(FX_WSTR contents) | |
{ | |
CFX_WideString renderContents; | |
for(FX_INT32 i = 0; i < contents.GetLength(); i++) { | |
FX_WCHAR ch = contents.GetAt(i); | |
if ( ch == (FX_WCHAR)'*' && (i == 0 || i == contents.GetLength() - 1) ) { | |
continue; | |
} | |
if(ch > 175) { | |
i++; | |
continue; | |
} | |
if (ch > 127 && ch < 176) { | |
continue; | |
} | |
renderContents += ch; | |
} | |
return renderContents; | |
} | |
FX_BOOL CBC_OnedCode39Writer::SetTextLocation(BC_TEXT_LOC location) | |
{ | |
if ( location < BC_TEXT_LOC_NONE || location > BC_TEXT_LOC_BELOWEMBED) { | |
return FALSE; | |
} | |
m_locTextLoc = location; | |
return TRUE; | |
} | |
FX_BOOL CBC_OnedCode39Writer::SetWideNarrowRatio(FX_INT32 ratio) | |
{ | |
if ( ratio < 2 || ratio > 3) { | |
return FALSE; | |
} | |
m_iWideNarrRatio = ratio; | |
return TRUE; | |
} | |
FX_BYTE *CBC_OnedCode39Writer::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_BYTE *CBC_OnedCode39Writer::Encode(const CFX_ByteString &contents, BCFORMAT format, FX_INT32 &outWidth, FX_INT32 &outHeight, FX_INT32 hints, FX_INT32 &e) | |
{ | |
if(format != BCFORMAT_CODE_39) { | |
e = BCExceptionOnlyEncodeCODE_39; | |
return NULL; | |
} | |
FX_BYTE *ret = CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e); | |
BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | |
return ret; | |
} | |
void CBC_OnedCode39Writer::ToIntArray(FX_INT32 a, FX_INT32 *toReturn) | |
{ | |
for(FX_INT32 i = 0; i < 9; i++) { | |
toReturn[i] = (a & (1 << i) ) == 0 ? 1 : m_iWideNarrRatio; | |
} | |
} | |
FX_CHAR CBC_OnedCode39Writer::CalcCheckSum(const CFX_ByteString &contents, FX_INT32 &e) | |
{ | |
FX_INT32 length = contents.GetLength(); | |
if (length > 80) { | |
e = BCExceptionContentsLengthShouldBetween1and80; | |
return '*'; | |
} | |
FX_INT32 checksum = 0; | |
FX_INT32 len = (FX_INT32)strlen(CBC_OnedCode39Reader::ALPHABET_STRING); | |
for(FX_INT32 i = 0; i < contents.GetLength(); i++) { | |
FX_INT32 j = 0; | |
for (; j < len; j++) { | |
if (CBC_OnedCode39Reader::ALPHABET_STRING[j] == contents[i]) { | |
if(contents[i] != '*') { | |
checksum += j; | |
break; | |
} else { | |
break; | |
} | |
} | |
} | |
if (j >= len) { | |
e = BCExceptionUnSupportedString; | |
return '*'; | |
} | |
} | |
checksum = checksum % 43; | |
return CBC_OnedCode39Reader::CHECKSUM_STRING[checksum]; | |
} | |
FX_BYTE *CBC_OnedCode39Writer::Encode(const CFX_ByteString &contents, FX_INT32 &outlength , FX_INT32 &e) | |
{ | |
FX_CHAR checksum = CalcCheckSum(contents, e); | |
if (checksum == '*') { | |
return NULL; | |
} | |
FX_INT32 widths[9] = {0}; | |
FX_INT32 wideStrideNum = 3; | |
FX_INT32 narrStrideNum = 9 - wideStrideNum; | |
CFX_ByteString encodedContents = contents; | |
if ( m_bCalcChecksum ) { | |
encodedContents += checksum; | |
} | |
m_iContentLen = encodedContents.GetLength(); | |
FX_INT32 codeWidth = (wideStrideNum * m_iWideNarrRatio + narrStrideNum) * 2 + 1 + m_iContentLen; | |
FX_INT32 len = (FX_INT32)strlen(CBC_OnedCode39Reader::ALPHABET_STRING); | |
for (FX_INT32 j = 0; j < m_iContentLen; j++) { | |
for (FX_INT32 i = 0; i < len; i++) { | |
if (CBC_OnedCode39Reader::ALPHABET_STRING[i] == encodedContents[j]) { | |
ToIntArray(CBC_OnedCode39Reader::CHARACTER_ENCODINGS[i], widths); | |
for(FX_INT32 k = 0; k < 9; k++) { | |
codeWidth += widths[k]; | |
} | |
} | |
} | |
} | |
outlength = codeWidth; | |
FX_BYTE *result = FX_Alloc(FX_BYTE, codeWidth); | |
ToIntArray(CBC_OnedCode39Reader::CHARACTER_ENCODINGS[39], widths); | |
FX_INT32 pos = AppendPattern(result, 0, widths, 9, 1 , e); | |
if (e != BCExceptionNO) { | |
FX_Free (result); | |
return NULL; | |
} | |
FX_INT32 narrowWhite[] = {1}; | |
pos += AppendPattern(result, pos, narrowWhite, 1, 0, e); | |
if (e != BCExceptionNO) { | |
FX_Free (result); | |
return NULL; | |
} | |
for(FX_INT32 l = m_iContentLen - 1; l >= 0; l--) { | |
for (FX_INT32 i = 0; i < len; i++) { | |
if (CBC_OnedCode39Reader::ALPHABET_STRING[i] == encodedContents[l]) { | |
ToIntArray(CBC_OnedCode39Reader::CHARACTER_ENCODINGS[i], widths); | |
pos += AppendPattern(result, pos, widths, 9, 1, e); | |
if (e != BCExceptionNO) { | |
FX_Free (result); | |
return NULL; | |
} | |
} | |
} | |
pos += AppendPattern(result, pos, narrowWhite, 1, 0, e); | |
if (e != BCExceptionNO) { | |
FX_Free (result); | |
return NULL; | |
} | |
} | |
ToIntArray(CBC_OnedCode39Reader::CHARACTER_ENCODINGS[39], widths); | |
pos += AppendPattern(result, pos, widths, 9, 1, e); | |
if (e != BCExceptionNO) { | |
FX_Free (result); | |
return NULL; | |
} | |
for (FX_INT32 i = 0; i < codeWidth / 2; i++) { | |
result[i] ^= result[codeWidth - 1 - i]; | |
result[codeWidth - 1 - i] ^= result[i]; | |
result[i] ^= result[codeWidth - 1 - i]; | |
} | |
return result; | |
} | |
CFX_WideString CBC_OnedCode39Writer::encodedContents(FX_WSTR contents, FX_INT32 &e) | |
{ | |
CFX_WideString encodedContents = contents; | |
if (m_bCalcChecksum && m_bPrintChecksum) { | |
CFX_WideString checksumContent = FilterContents(contents); | |
CFX_ByteString str = checksumContent.UTF8Encode(); | |
FX_CHAR checksum; | |
checksum = CalcCheckSum(str, e); | |
BC_EXCEPTION_CHECK_ReturnValue(e, FX_WSTRC(L"")); | |
str += checksum; | |
encodedContents += checksum; | |
} | |
return encodedContents; | |
} | |
void CBC_OnedCode39Writer::RenderResult(FX_WSTR contents, FX_BYTE* code, FX_INT32 codeLength, FX_BOOL isDevice, FX_INT32 &e) | |
{ | |
CFX_WideString encodedCon = encodedContents(contents, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
CBC_OneDimWriter::RenderResult(encodedCon, code, codeLength, isDevice, e); | |
} |