diff options
Diffstat (limited to 'xfa/src/fxbarcode/datamatrix/BC_Base256Encoder.cpp')
-rw-r--r-- | xfa/src/fxbarcode/datamatrix/BC_Base256Encoder.cpp | 184 |
1 files changed, 92 insertions, 92 deletions
diff --git a/xfa/src/fxbarcode/datamatrix/BC_Base256Encoder.cpp b/xfa/src/fxbarcode/datamatrix/BC_Base256Encoder.cpp index 14f35ab70c..1b7b3f24d1 100644 --- a/xfa/src/fxbarcode/datamatrix/BC_Base256Encoder.cpp +++ b/xfa/src/fxbarcode/datamatrix/BC_Base256Encoder.cpp @@ -1,92 +1,92 @@ -// 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/src/fxbarcode/barcode.h"
-#include "xfa/src/fxbarcode/BC_Dimension.h"
-#include "BC_Encoder.h"
-#include "BC_SymbolShapeHint.h"
-#include "BC_SymbolInfo.h"
-#include "BC_EncoderContext.h"
-#include "BC_HighLevelEncoder.h"
-#include "BC_Base256Encoder.h"
-CBC_Base256Encoder::CBC_Base256Encoder() {}
-CBC_Base256Encoder::~CBC_Base256Encoder() {}
-int32_t CBC_Base256Encoder::getEncodingMode() {
- return BASE256_ENCODATION;
-}
-void CBC_Base256Encoder::Encode(CBC_EncoderContext& context, int32_t& e) {
- CFX_WideString buffer;
- buffer += (FX_WCHAR)'\0';
- while (context.hasMoreCharacters()) {
- FX_WCHAR c = context.getCurrentChar();
- buffer += c;
- context.m_pos++;
- int32_t newMode = CBC_HighLevelEncoder::lookAheadTest(
- context.m_msg, context.m_pos, getEncodingMode());
- if (newMode != getEncodingMode()) {
- context.signalEncoderChange(newMode);
- break;
- }
- }
- int32_t dataCount = buffer.GetLength() - 1;
- FX_CHAR buf[128];
-#if defined(_FX_WINAPI_PARTITION_APP_)
- memset(buf, 0, sizeof(FX_CHAR) * 128);
- _itoa_s(dataCount, buf, 128, 10);
-#else
- FXSYS_itoa(dataCount, buf, 10);
-#endif
- buffer.SetAt(0, FX_WCHAR(*buf) - '0');
- int32_t lengthFieldSize = 1;
- int32_t currentSize =
- context.getCodewordCount() + dataCount + lengthFieldSize;
- context.updateSymbolInfo(currentSize, e);
- if (e != BCExceptionNO) {
- return;
- }
- FX_BOOL mustPad = (context.m_symbolInfo->m_dataCapacity - currentSize) > 0;
- if (context.hasMoreCharacters() || mustPad) {
- if (dataCount <= 249) {
- buffer.SetAt(0, (FX_WCHAR)dataCount);
- } else if (dataCount > 249 && dataCount <= 1555) {
- buffer.SetAt(0, (FX_WCHAR)((dataCount / 250) + 249));
- buffer.Insert(1, (FX_WCHAR)(dataCount % 250));
- } else {
- e = BCExceptionIllegalStateMessageLengthInvalid;
- return;
- }
- }
- for (int32_t i = 0, c = buffer.GetLength(); i < c; i++) {
- context.writeCodeword(
- randomize255State(buffer.GetAt(i), context.getCodewordCount() + 1));
- }
-}
-FX_WCHAR CBC_Base256Encoder::randomize255State(FX_WCHAR ch,
- int32_t codewordPosition) {
- int32_t pseudoRandom = ((149 * codewordPosition) % 255) + 1;
- int32_t tempVariable = ch + pseudoRandom;
- if (tempVariable <= 255) {
- return (FX_WCHAR)tempVariable;
- } else {
- return (FX_WCHAR)(tempVariable - 256);
- }
-}
+// 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/src/fxbarcode/barcode.h" +#include "xfa/src/fxbarcode/BC_Dimension.h" +#include "BC_Encoder.h" +#include "BC_SymbolShapeHint.h" +#include "BC_SymbolInfo.h" +#include "BC_EncoderContext.h" +#include "BC_HighLevelEncoder.h" +#include "BC_Base256Encoder.h" +CBC_Base256Encoder::CBC_Base256Encoder() {} +CBC_Base256Encoder::~CBC_Base256Encoder() {} +int32_t CBC_Base256Encoder::getEncodingMode() { + return BASE256_ENCODATION; +} +void CBC_Base256Encoder::Encode(CBC_EncoderContext& context, int32_t& e) { + CFX_WideString buffer; + buffer += (FX_WCHAR)'\0'; + while (context.hasMoreCharacters()) { + FX_WCHAR c = context.getCurrentChar(); + buffer += c; + context.m_pos++; + int32_t newMode = CBC_HighLevelEncoder::lookAheadTest( + context.m_msg, context.m_pos, getEncodingMode()); + if (newMode != getEncodingMode()) { + context.signalEncoderChange(newMode); + break; + } + } + int32_t dataCount = buffer.GetLength() - 1; + FX_CHAR buf[128]; +#if defined(_FX_WINAPI_PARTITION_APP_) + memset(buf, 0, sizeof(FX_CHAR) * 128); + _itoa_s(dataCount, buf, 128, 10); +#else + FXSYS_itoa(dataCount, buf, 10); +#endif + buffer.SetAt(0, FX_WCHAR(*buf) - '0'); + int32_t lengthFieldSize = 1; + int32_t currentSize = + context.getCodewordCount() + dataCount + lengthFieldSize; + context.updateSymbolInfo(currentSize, e); + if (e != BCExceptionNO) { + return; + } + FX_BOOL mustPad = (context.m_symbolInfo->m_dataCapacity - currentSize) > 0; + if (context.hasMoreCharacters() || mustPad) { + if (dataCount <= 249) { + buffer.SetAt(0, (FX_WCHAR)dataCount); + } else if (dataCount > 249 && dataCount <= 1555) { + buffer.SetAt(0, (FX_WCHAR)((dataCount / 250) + 249)); + buffer.Insert(1, (FX_WCHAR)(dataCount % 250)); + } else { + e = BCExceptionIllegalStateMessageLengthInvalid; + return; + } + } + for (int32_t i = 0, c = buffer.GetLength(); i < c; i++) { + context.writeCodeword( + randomize255State(buffer.GetAt(i), context.getCodewordCount() + 1)); + } +} +FX_WCHAR CBC_Base256Encoder::randomize255State(FX_WCHAR ch, + int32_t codewordPosition) { + int32_t pseudoRandom = ((149 * codewordPosition) % 255) + 1; + int32_t tempVariable = ch + pseudoRandom; + if (tempVariable <= 255) { + return (FX_WCHAR)tempVariable; + } else { + return (FX_WCHAR)(tempVariable - 256); + } +} |