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