| // 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/fxbarcode/BC_Reader.h" |
| #include "xfa/fxbarcode/BC_Writer.h" |
| #include "xfa/fxbarcode/oned/BC_OneDReader.h" |
| #include "xfa/fxbarcode/oned/BC_OneDimWriter.h" |
| #include "xfa/fxbarcode/oned/BC_OnedCode128Reader.h" |
| #include "xfa/fxbarcode/oned/BC_OnedCode128Writer.h" |
| |
| 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 nullptr; |
| } |
| CFX_ArrayTemplate<const int32_t*> 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 nullptr; |
| } |
| checkSum %= 103; |
| patterns.Add(CBC_OnedCode128Reader::CODE_PATTERNS[checkSum]); |
| patterns.Add(CBC_OnedCode128Reader::CODE_PATTERNS[CODE_STOP]); |
| m_iContentLen = contents.GetLength() + 3; |
| int32_t codeWidth = 0; |
| for (int32_t k = 0; k < patterns.GetSize(); k++) { |
| const int32_t* pattern = 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++) { |
| const int32_t* pattern = patterns[j]; |
| pos += AppendPattern(result, pos, pattern, 7, 1, e); |
| if (e != BCExceptionNO) { |
| FX_Free(result); |
| return nullptr; |
| } |
| } |
| return result; |
| } |
| |
| int32_t CBC_OnedCode128Writer::Encode128B( |
| const CFX_ByteString& contents, |
| CFX_ArrayTemplate<const int32_t*>* patterns) { |
| int32_t checkSum = 0; |
| int32_t checkWeight = 1; |
| int32_t position = 0; |
| patterns->Add(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(CBC_OnedCode128Reader::CODE_PATTERNS[patternIndex]); |
| checkSum += patternIndex * checkWeight; |
| if (position != 0) { |
| checkWeight++; |
| } |
| } |
| return checkSum; |
| } |
| |
| int32_t CBC_OnedCode128Writer::Encode128C( |
| const CFX_ByteString& contents, |
| CFX_ArrayTemplate<const int32_t*>* patterns) { |
| int32_t checkSum = 0; |
| int32_t checkWeight = 1; |
| int32_t position = 0; |
| patterns->Add(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).c_str()); |
| if (contents.GetAt(position + 1) < '0' || |
| contents.GetAt(position + 1) > '9') { |
| position += 1; |
| } else { |
| position += 2; |
| } |
| } |
| patterns->Add(CBC_OnedCode128Reader::CODE_PATTERNS[patternIndex]); |
| checkSum += patternIndex * checkWeight; |
| if (position != 0) { |
| checkWeight++; |
| } |
| } |
| return checkSum; |
| } |