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112 lines
3.7 KiB
112 lines
3.7 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 "xfa/fxbarcode/BC_Dimension.h" |
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#include "xfa/fxbarcode/BC_UtilCodingConvert.h" |
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#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h" |
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#include "xfa/fxbarcode/datamatrix/BC_Encoder.h" |
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#include "xfa/fxbarcode/datamatrix/BC_EncoderContext.h" |
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#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h" |
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#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h" |
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CBC_EncoderContext::CBC_EncoderContext(const CFX_WideString msg, |
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CFX_WideString ecLevel, |
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int32_t& e) { |
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CFX_ByteString dststr; |
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CBC_UtilCodingConvert::UnicodeToUTF8(msg, dststr); |
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CFX_WideString sb; |
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int32_t c = dststr.GetLength(); |
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for (int32_t i = 0; i < c; i++) { |
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FX_WCHAR ch = (FX_WCHAR)(dststr.GetAt(i) & 0xff); |
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if (ch == '?' && dststr.GetAt(i) != '?') { |
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e = BCExceptionCharactersOutsideISO88591Encoding; |
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} |
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sb += ch; |
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} |
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m_msg = sb; |
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m_shape = FORCE_NONE; |
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m_newEncoding = -1; |
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m_pos = 0; |
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m_symbolInfo = nullptr; |
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m_skipAtEnd = 0; |
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m_maxSize = nullptr; |
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m_minSize = nullptr; |
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} |
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CBC_EncoderContext::~CBC_EncoderContext() {} |
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void CBC_EncoderContext::setSymbolShape(SymbolShapeHint shape) { |
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m_shape = shape; |
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} |
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void CBC_EncoderContext::setSizeConstraints(CBC_Dimension* minSize, |
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CBC_Dimension* maxSize) { |
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m_maxSize = maxSize; |
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m_minSize = minSize; |
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} |
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CFX_WideString CBC_EncoderContext::getMessage() { |
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return m_msg; |
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} |
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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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FX_WCHAR CBC_EncoderContext::getCurrentChar() { |
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return m_msg.GetAt(m_pos); |
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} |
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FX_WCHAR CBC_EncoderContext::getCurrent() { |
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return m_msg.GetAt(m_pos); |
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} |
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void CBC_EncoderContext::writeCodewords(CFX_WideString codewords) { |
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m_codewords += codewords; |
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} |
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void CBC_EncoderContext::writeCodeword(FX_WCHAR codeword) { |
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m_codewords += codeword; |
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} |
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int32_t CBC_EncoderContext::getCodewordCount() { |
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return m_codewords.GetLength(); |
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} |
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void CBC_EncoderContext::signalEncoderChange(int32_t 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 = -1; |
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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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int32_t CBC_EncoderContext::getRemainingCharacters() { |
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return getTotalMessageCharCount() - m_pos; |
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} |
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void CBC_EncoderContext::updateSymbolInfo(int32_t& e) { |
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updateSymbolInfo(getCodewordCount(), e); |
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} |
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void CBC_EncoderContext::updateSymbolInfo(int32_t len, int32_t& e) { |
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if (!m_symbolInfo || len > m_symbolInfo->m_dataCapacity) { |
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m_symbolInfo = |
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CBC_SymbolInfo::lookup(len, m_shape, m_minSize, m_maxSize, true, e); |
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if (e != BCExceptionNO) |
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return; |
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} |
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} |
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void CBC_EncoderContext::resetSymbolInfo() { |
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m_shape = FORCE_NONE; |
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} |
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int32_t CBC_EncoderContext::getTotalMessageCharCount() { |
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return m_msg.GetLength() - m_skipAtEnd; |
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}
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