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108 lines
3.0 KiB
108 lines
3.0 KiB
// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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// Original code is licensed as follows:
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/*
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* Copyright 2006-2007 Jeremias Maerki.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "fxbarcode/datamatrix/BC_EncoderContext.h"
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#include <utility>
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#include "fxbarcode/common/BC_CommonBitMatrix.h"
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#include "fxbarcode/datamatrix/BC_Encoder.h"
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#include "fxbarcode/datamatrix/BC_SymbolInfo.h"
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CBC_EncoderContext::CBC_EncoderContext(const WideString& msg) {
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ByteString dststr = msg.ToUTF8();
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size_t c = dststr.GetLength();
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WideString sb;
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sb.Reserve(c);
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for (size_t i = 0; i < c; i++) {
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wchar_t ch = static_cast<wchar_t>(dststr[i] & 0xff);
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if (ch == '?' && dststr[i] != '?') {
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m_bHasCharactersOutsideISO88591Encoding = true;
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}
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sb += ch;
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}
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m_msg = std::move(sb);
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m_codewords.Reserve(m_msg.GetLength());
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}
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CBC_EncoderContext::~CBC_EncoderContext() = default;
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void CBC_EncoderContext::setSkipAtEnd(int32_t count) {
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m_skipAtEnd = count;
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}
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wchar_t CBC_EncoderContext::getCurrentChar() {
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return m_msg[m_pos];
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}
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wchar_t CBC_EncoderContext::getCurrent() {
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return m_msg[m_pos];
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}
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void CBC_EncoderContext::writeCodewords(const WideString& codewords) {
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m_codewords += codewords;
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}
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void CBC_EncoderContext::writeCodeword(wchar_t codeword) {
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m_codewords += codeword;
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}
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size_t CBC_EncoderContext::getCodewordCount() {
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return m_codewords.GetLength();
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}
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void CBC_EncoderContext::SignalEncoderChange(
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CBC_HighLevelEncoder::Encoding encoding) {
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m_newEncoding = encoding;
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}
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void CBC_EncoderContext::ResetEncoderSignal() {
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m_newEncoding = CBC_HighLevelEncoder::Encoding::UNKNOWN;
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}
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bool CBC_EncoderContext::hasMoreCharacters() {
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return m_pos < getTotalMessageCharCount();
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}
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size_t CBC_EncoderContext::getRemainingCharacters() {
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return getTotalMessageCharCount() - m_pos;
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}
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bool CBC_EncoderContext::UpdateSymbolInfo() {
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return UpdateSymbolInfo(getCodewordCount());
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}
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bool CBC_EncoderContext::UpdateSymbolInfo(size_t len) {
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if (!m_symbolInfo || len > m_symbolInfo->dataCapacity()) {
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m_symbolInfo = CBC_SymbolInfo::Lookup(len, m_bAllowRectangular);
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if (!m_symbolInfo)
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return false;
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}
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return true;
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}
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void CBC_EncoderContext::resetSymbolInfo() {
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m_bAllowRectangular = true;
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}
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size_t CBC_EncoderContext::getTotalMessageCharCount() {
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return m_msg.GetLength() - m_skipAtEnd;
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}
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