| // 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 2006-2007 Jeremias Maerki. |
| * |
| * 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 "fxbarcode/datamatrix/BC_EncoderContext.h" |
| |
| #include <utility> |
| |
| #include "core/fxcrt/fx_string.h" |
| #include "fxbarcode/common/BC_CommonBitMatrix.h" |
| #include "fxbarcode/datamatrix/BC_Encoder.h" |
| #include "fxbarcode/datamatrix/BC_SymbolInfo.h" |
| |
| CBC_EncoderContext::CBC_EncoderContext(const WideString& msg) { |
| ByteString dststr = msg.ToUTF8(); |
| size_t c = dststr.GetLength(); |
| WideString sb; |
| sb.Reserve(c); |
| for (size_t i = 0; i < c; i++) { |
| wchar_t ch = static_cast<wchar_t>(dststr[i] & 0xff); |
| if (ch == '?' && dststr[i] != '?') { |
| m_bHasCharactersOutsideISO88591Encoding = true; |
| } |
| sb += ch; |
| } |
| m_msg = std::move(sb); |
| m_codewords.Reserve(m_msg.GetLength()); |
| } |
| |
| CBC_EncoderContext::~CBC_EncoderContext() = default; |
| |
| void CBC_EncoderContext::setSkipAtEnd(int32_t count) { |
| m_skipAtEnd = count; |
| } |
| wchar_t CBC_EncoderContext::getCurrentChar() { |
| return m_msg[m_pos]; |
| } |
| wchar_t CBC_EncoderContext::getCurrent() { |
| return m_msg[m_pos]; |
| } |
| |
| void CBC_EncoderContext::writeCodewords(const WideString& codewords) { |
| m_codewords += codewords; |
| } |
| |
| void CBC_EncoderContext::writeCodeword(wchar_t codeword) { |
| m_codewords += codeword; |
| } |
| |
| size_t CBC_EncoderContext::getCodewordCount() { |
| return m_codewords.GetLength(); |
| } |
| |
| void CBC_EncoderContext::SignalEncoderChange( |
| CBC_HighLevelEncoder::Encoding encoding) { |
| m_newEncoding = encoding; |
| } |
| |
| void CBC_EncoderContext::ResetEncoderSignal() { |
| m_newEncoding = CBC_HighLevelEncoder::Encoding::UNKNOWN; |
| } |
| |
| bool CBC_EncoderContext::hasMoreCharacters() { |
| return m_pos < getTotalMessageCharCount(); |
| } |
| |
| size_t CBC_EncoderContext::getRemainingCharacters() { |
| return getTotalMessageCharCount() - m_pos; |
| } |
| |
| bool CBC_EncoderContext::UpdateSymbolInfo() { |
| return UpdateSymbolInfo(getCodewordCount()); |
| } |
| |
| bool CBC_EncoderContext::UpdateSymbolInfo(size_t len) { |
| if (!m_symbolInfo || len > m_symbolInfo->data_capacity()) { |
| m_symbolInfo = CBC_SymbolInfo::Lookup(len, m_bAllowRectangular); |
| if (!m_symbolInfo) |
| return false; |
| } |
| return true; |
| } |
| |
| void CBC_EncoderContext::resetSymbolInfo() { |
| m_bAllowRectangular = true; |
| } |
| |
| size_t CBC_EncoderContext::getTotalMessageCharCount() { |
| return m_msg.GetLength() - m_skipAtEnd; |
| } |