diff options
Diffstat (limited to 'xfa/src/fxbarcode/oned/BC_OnedCode39Writer.cpp')
| -rw-r--r-- | xfa/src/fxbarcode/oned/BC_OnedCode39Writer.cpp | 364 |
1 files changed, 364 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/oned/BC_OnedCode39Writer.cpp b/xfa/src/fxbarcode/oned/BC_OnedCode39Writer.cpp new file mode 100644 index 0000000000..297f2efc9f --- /dev/null +++ b/xfa/src/fxbarcode/oned/BC_OnedCode39Writer.cpp @@ -0,0 +1,364 @@ +// 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/barcode.h" +#include "xfa/src/fxbarcode/BC_Writer.h" +#include "xfa/src/fxbarcode/BC_Reader.h" +#include "xfa/src/fxbarcode/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( + const CFX_WideStringC& contents) { + if (m_extendedMode) { + return CheckExtendedContentValidity(contents); + } + for (int32_t 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)'$' || ch == (FX_WCHAR)'/' || ch == (FX_WCHAR)'+' || + ch == (FX_WCHAR)'%') { + continue; + } + return FALSE; + } + return TRUE; +} +FX_BOOL CBC_OnedCode39Writer::CheckExtendedContentValidity( + const CFX_WideStringC& contents) { + for (int32_t i = 0; i < contents.GetLength(); i++) { + FX_WCHAR ch = contents.GetAt(i); + if (ch > 127) { + return FALSE; + } + } + return TRUE; +} +CFX_WideString CBC_OnedCode39Writer::FilterContents( + const CFX_WideStringC& contents) { + if (m_extendedMode) { + return FilterExtendedContents(contents); + } + CFX_WideString filtercontents; + for (int32_t i = 0; i < contents.GetLength(); i++) { + FX_WCHAR ch = contents.GetAt(i); + if (ch == (FX_WCHAR)'*' && (i == 0 || i == contents.GetLength() - 1)) { + continue; + } + if (ch > 175) { + i++; + continue; + } else { + ch = Upper(ch); + } + if ((ch >= (FX_WCHAR)'0' && ch <= (FX_WCHAR)'9') || + (ch >= (FX_WCHAR)'A' && ch <= (FX_WCHAR)'Z') || ch == (FX_WCHAR)'-' || + ch == (FX_WCHAR)'.' || ch == (FX_WCHAR)' ' || ch == (FX_WCHAR)'*' || + ch == (FX_WCHAR)'$' || ch == (FX_WCHAR)'/' || ch == (FX_WCHAR)'+' || + ch == (FX_WCHAR)'%') { + filtercontents += ch; + } + } + return filtercontents; +} +CFX_WideString CBC_OnedCode39Writer::FilterExtendedContents( + const CFX_WideStringC& contents) { + CFX_WideString filtercontents; + for (int32_t 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 += '$'; + filtercontents += (ch + 64); + } else if (ch >= 27 && ch <= 31) { + filtercontents += '%'; + filtercontents += (ch + 38); + } else if (ch >= 33 && ch <= 47 && ch != 45 && ch != 46) { + filtercontents += '/'; + filtercontents += (ch + 32); + } else if (ch == 58) { + filtercontents += '/'; + filtercontents += 'Z'; + } else if (ch >= 59 && ch <= 63) { + filtercontents += '%'; + filtercontents += ch + 11; + } else if (ch == 64) { + filtercontents += '%'; + filtercontents += 'V'; + } else if (ch >= 91 && ch <= 95) { + filtercontents += '%'; + filtercontents += ch - 16; + } else if (ch == 96) { + filtercontents += '%'; + filtercontents += 'W'; + } else if (ch >= 97 && ch <= 122) { + filtercontents += '+'; + filtercontents += ch - 32; + } else if (ch >= 123 && ch <= 126) { + filtercontents += '%'; + filtercontents += ch - 43; + } else if (ch == 127) { + filtercontents += '%'; + filtercontents += 'T'; + } else { + filtercontents += ch; + } + } + return filtercontents; +} +CFX_WideString CBC_OnedCode39Writer::RenderTextContents( + const CFX_WideStringC& contents) { + if (m_extendedMode) { + return RenderExtendedTextContents(contents); + } + CFX_WideString renderContents; + for (int32_t i = 0; i < contents.GetLength(); i++) { + FX_WCHAR ch = contents.GetAt(i); + if (ch == (FX_WCHAR)'*' && (i == 0 || i == contents.GetLength() - 1)) { + continue; + } + if (ch > 175) { + i++; + continue; + } + if ((ch >= (FX_WCHAR)'0' && ch <= (FX_WCHAR)'9') || + (ch >= (FX_WCHAR)'A' && ch <= (FX_WCHAR)'Z') || + (ch >= (FX_WCHAR)'a' && ch <= (FX_WCHAR)'z') || ch == (FX_WCHAR)'-' || + ch == (FX_WCHAR)'.' || ch == (FX_WCHAR)' ' || ch == (FX_WCHAR)'*' || + ch == (FX_WCHAR)'$' || ch == (FX_WCHAR)'/' || ch == (FX_WCHAR)'+' || + ch == (FX_WCHAR)'%') { + renderContents += ch; + } + } + return renderContents; +} +CFX_WideString CBC_OnedCode39Writer::RenderExtendedTextContents( + const CFX_WideStringC& contents) { + CFX_WideString renderContents; + for (int32_t 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(int32_t ratio) { + if (ratio < 2 || ratio > 3) { + return FALSE; + } + m_iWideNarrRatio = ratio; + return TRUE; +} +uint8_t* CBC_OnedCode39Writer::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; +} +uint8_t* CBC_OnedCode39Writer::Encode(const CFX_ByteString& contents, + BCFORMAT format, + int32_t& outWidth, + int32_t& outHeight, + int32_t hints, + int32_t& e) { + if (format != BCFORMAT_CODE_39) { + e = BCExceptionOnlyEncodeCODE_39; + return NULL; + } + uint8_t* ret = + CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + return ret; +} +void CBC_OnedCode39Writer::ToIntArray(int32_t a, int32_t* toReturn) { + for (int32_t i = 0; i < 9; i++) { + toReturn[i] = (a & (1 << i)) == 0 ? 1 : m_iWideNarrRatio; + } +} +FX_CHAR CBC_OnedCode39Writer::CalcCheckSum(const CFX_ByteString& contents, + int32_t& e) { + int32_t length = contents.GetLength(); + if (length > 80) { + e = BCExceptionContentsLengthShouldBetween1and80; + return '*'; + } + int32_t checksum = 0; + int32_t len = (int32_t)strlen(CBC_OnedCode39Reader::ALPHABET_STRING); + for (int32_t i = 0; i < contents.GetLength(); i++) { + int32_t 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]; +} +uint8_t* CBC_OnedCode39Writer::Encode(const CFX_ByteString& contents, + int32_t& outlength, + int32_t& e) { + FX_CHAR checksum = CalcCheckSum(contents, e); + if (checksum == '*') { + return NULL; + } + int32_t widths[9] = {0}; + int32_t wideStrideNum = 3; + int32_t narrStrideNum = 9 - wideStrideNum; + CFX_ByteString encodedContents = contents; + if (m_bCalcChecksum) { + encodedContents += checksum; + } + m_iContentLen = encodedContents.GetLength(); + int32_t codeWidth = (wideStrideNum * m_iWideNarrRatio + narrStrideNum) * 2 + + 1 + m_iContentLen; + int32_t len = (int32_t)strlen(CBC_OnedCode39Reader::ALPHABET_STRING); + for (int32_t j = 0; j < m_iContentLen; j++) { + for (int32_t i = 0; i < len; i++) { + if (CBC_OnedCode39Reader::ALPHABET_STRING[i] == encodedContents[j]) { + ToIntArray(CBC_OnedCode39Reader::CHARACTER_ENCODINGS[i], widths); + for (int32_t k = 0; k < 9; k++) { + codeWidth += widths[k]; + } + } + } + } + outlength = codeWidth; + uint8_t* result = FX_Alloc(uint8_t, codeWidth); + ToIntArray(CBC_OnedCode39Reader::CHARACTER_ENCODINGS[39], widths); + int32_t pos = AppendPattern(result, 0, widths, 9, 1, e); + if (e != BCExceptionNO) { + FX_Free(result); + return NULL; + } + int32_t narrowWhite[] = {1}; + pos += AppendPattern(result, pos, narrowWhite, 1, 0, e); + if (e != BCExceptionNO) { + FX_Free(result); + return NULL; + } + for (int32_t l = m_iContentLen - 1; l >= 0; l--) { + for (int32_t 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 (int32_t 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( + const CFX_WideStringC& contents, + int32_t& 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(const CFX_WideStringC& contents, + uint8_t* code, + int32_t codeLength, + FX_BOOL isDevice, + int32_t& e) { + CFX_WideString encodedCon = encodedContents(contents, e); + BC_EXCEPTION_CHECK_ReturnVoid(e); + CBC_OneDimWriter::RenderResult(encodedCon, code, codeLength, isDevice, e); +} |