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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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