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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 // Original code is licensed as follows: | |
| 7 /* | |
| 8 * Copyright 2006-2007 Jeremias Maerki. | |
| 9 * | |
| 10 * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 11 * you may not use this file except in compliance with the License. | |
| 12 * You may obtain a copy of the License at | |
| 13 * | |
| 14 * http://www.apache.org/licenses/LICENSE-2.0 | |
| 15 * | |
| 16 * Unless required by applicable law or agreed to in writing, software | |
| 17 * distributed under the License is distributed on an "AS IS" BASIS, | |
| 18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 19 * See the License for the specific language governing permissions and | |
| 20 * limitations under the License. | |
| 21 */ | |
| 22 | |
| 23 #include "xfa/src/fxbarcode/BC_Dimension.h" | |
| 24 #include "xfa/src/fxbarcode/BC_UtilCodingConvert.h" | |
| 25 #include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h" | |
| 26 #include "xfa/src/fxbarcode/datamatrix/BC_Encoder.h" | |
| 27 #include "xfa/src/fxbarcode/datamatrix/BC_EncoderContext.h" | |
| 28 #include "xfa/src/fxbarcode/datamatrix/BC_SymbolInfo.h" | |
| 29 #include "xfa/src/fxbarcode/datamatrix/BC_SymbolShapeHint.h" | |
| 30 | |
| 31 CBC_EncoderContext::CBC_EncoderContext(const CFX_WideString msg, | |
| 32 CFX_WideString ecLevel, | |
| 33 int32_t& e) { | |
| 34 CFX_ByteString dststr; | |
| 35 CBC_UtilCodingConvert::UnicodeToUTF8(msg, dststr); | |
| 36 CFX_WideString sb; | |
| 37 int32_t c = dststr.GetLength(); | |
| 38 for (int32_t i = 0; i < c; i++) { | |
| 39 FX_WCHAR ch = (FX_WCHAR)(dststr.GetAt(i) & 0xff); | |
| 40 if (ch == '?' && dststr.GetAt(i) != '?') { | |
| 41 e = BCExceptionCharactersOutsideISO88591Encoding; | |
| 42 } | |
| 43 sb += ch; | |
| 44 } | |
| 45 m_msg = sb; | |
| 46 m_shape = FORCE_NONE; | |
| 47 m_newEncoding = -1; | |
| 48 m_pos = 0; | |
| 49 m_symbolInfo = NULL; | |
| 50 m_skipAtEnd = 0; | |
| 51 m_maxSize = NULL; | |
| 52 m_minSize = NULL; | |
| 53 } | |
| 54 CBC_EncoderContext::~CBC_EncoderContext() {} | |
| 55 void CBC_EncoderContext::setSymbolShape(SymbolShapeHint shape) { | |
| 56 m_shape = shape; | |
| 57 } | |
| 58 void CBC_EncoderContext::setSizeConstraints(CBC_Dimension* minSize, | |
| 59 CBC_Dimension* maxSize) { | |
| 60 m_maxSize = maxSize; | |
| 61 m_minSize = minSize; | |
| 62 } | |
| 63 CFX_WideString CBC_EncoderContext::getMessage() { | |
| 64 return m_msg; | |
| 65 } | |
| 66 void CBC_EncoderContext::setSkipAtEnd(int32_t count) { | |
| 67 m_skipAtEnd = count; | |
| 68 } | |
| 69 FX_WCHAR CBC_EncoderContext::getCurrentChar() { | |
| 70 return m_msg.GetAt(m_pos); | |
| 71 } | |
| 72 FX_WCHAR CBC_EncoderContext::getCurrent() { | |
| 73 return m_msg.GetAt(m_pos); | |
| 74 } | |
| 75 void CBC_EncoderContext::writeCodewords(CFX_WideString codewords) { | |
| 76 m_codewords += codewords; | |
| 77 } | |
| 78 void CBC_EncoderContext::writeCodeword(FX_WCHAR codeword) { | |
| 79 m_codewords += codeword; | |
| 80 } | |
| 81 int32_t CBC_EncoderContext::getCodewordCount() { | |
| 82 return m_codewords.GetLength(); | |
| 83 } | |
| 84 void CBC_EncoderContext::signalEncoderChange(int32_t encoding) { | |
| 85 m_newEncoding = encoding; | |
| 86 } | |
| 87 void CBC_EncoderContext::resetEncoderSignal() { | |
| 88 m_newEncoding = -1; | |
| 89 } | |
| 90 FX_BOOL CBC_EncoderContext::hasMoreCharacters() { | |
| 91 return m_pos < getTotalMessageCharCount(); | |
| 92 } | |
| 93 int32_t CBC_EncoderContext::getRemainingCharacters() { | |
| 94 return getTotalMessageCharCount() - m_pos; | |
| 95 } | |
| 96 void CBC_EncoderContext::updateSymbolInfo(int32_t& e) { | |
| 97 updateSymbolInfo(getCodewordCount(), e); | |
| 98 } | |
| 99 void CBC_EncoderContext::updateSymbolInfo(int32_t len, int32_t& e) { | |
| 100 if (m_symbolInfo == NULL || len > m_symbolInfo->m_dataCapacity) { | |
| 101 m_symbolInfo = | |
| 102 CBC_SymbolInfo::lookup(len, m_shape, m_minSize, m_maxSize, true, e); | |
| 103 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 104 } | |
| 105 } | |
| 106 void CBC_EncoderContext::resetSymbolInfo() { | |
| 107 m_shape = FORCE_NONE; | |
| 108 } | |
| 109 int32_t CBC_EncoderContext::getTotalMessageCharCount() { | |
| 110 return m_msg.GetLength() - m_skipAtEnd; | |
| 111 } | |
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