Index: xfa/src/fxbarcode/oned/BC_OnedCode128Reader.cpp |
diff --git a/xfa/src/fxbarcode/oned/BC_OnedCode128Reader.cpp b/xfa/src/fxbarcode/oned/BC_OnedCode128Reader.cpp |
index cbc7a5a85950e6612b19acf0d2e3b139f8273317..b8cfb7be396591ec31da673a9ef15d442a22fdb9 100644 |
--- a/xfa/src/fxbarcode/oned/BC_OnedCode128Reader.cpp |
+++ b/xfa/src/fxbarcode/oned/BC_OnedCode128Reader.cpp |
@@ -1,368 +1,368 @@ |
-// 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 2008 ZXing authors |
- * |
- * 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 <algorithm> |
- |
-#include "xfa/src/fxbarcode/barcode.h" |
-#include "xfa/src/fxbarcode/BC_Reader.h" |
-#include "xfa/src/fxbarcode/common/BC_CommonBitArray.h" |
-#include "BC_OneDReader.h" |
-#include "BC_OnedCode128Reader.h" |
-const int32_t CBC_OnedCode128Reader::CODE_PATTERNS[107][7] = { |
- {2, 1, 2, 2, 2, 2, 0}, {2, 2, 2, 1, 2, 2, 0}, {2, 2, 2, 2, 2, 1, 0}, |
- {1, 2, 1, 2, 2, 3, 0}, {1, 2, 1, 3, 2, 2, 0}, {1, 3, 1, 2, 2, 2, 0}, |
- {1, 2, 2, 2, 1, 3, 0}, {1, 2, 2, 3, 1, 2, 0}, {1, 3, 2, 2, 1, 2, 0}, |
- {2, 2, 1, 2, 1, 3, 0}, {2, 2, 1, 3, 1, 2, 0}, {2, 3, 1, 2, 1, 2, 0}, |
- {1, 1, 2, 2, 3, 2, 0}, {1, 2, 2, 1, 3, 2, 0}, {1, 2, 2, 2, 3, 1, 0}, |
- {1, 1, 3, 2, 2, 2, 0}, {1, 2, 3, 1, 2, 2, 0}, {1, 2, 3, 2, 2, 1, 0}, |
- {2, 2, 3, 2, 1, 1, 0}, {2, 2, 1, 1, 3, 2, 0}, {2, 2, 1, 2, 3, 1, 0}, |
- {2, 1, 3, 2, 1, 2, 0}, {2, 2, 3, 1, 1, 2, 0}, {3, 1, 2, 1, 3, 1, 0}, |
- {3, 1, 1, 2, 2, 2, 0}, {3, 2, 1, 1, 2, 2, 0}, {3, 2, 1, 2, 2, 1, 0}, |
- {3, 1, 2, 2, 1, 2, 0}, {3, 2, 2, 1, 1, 2, 0}, {3, 2, 2, 2, 1, 1, 0}, |
- {2, 1, 2, 1, 2, 3, 0}, {2, 1, 2, 3, 2, 1, 0}, {2, 3, 2, 1, 2, 1, 0}, |
- {1, 1, 1, 3, 2, 3, 0}, {1, 3, 1, 1, 2, 3, 0}, {1, 3, 1, 3, 2, 1, 0}, |
- {1, 1, 2, 3, 1, 3, 0}, {1, 3, 2, 1, 1, 3, 0}, {1, 3, 2, 3, 1, 1, 0}, |
- {2, 1, 1, 3, 1, 3, 0}, {2, 3, 1, 1, 1, 3, 0}, {2, 3, 1, 3, 1, 1, 0}, |
- {1, 1, 2, 1, 3, 3, 0}, {1, 1, 2, 3, 3, 1, 0}, {1, 3, 2, 1, 3, 1, 0}, |
- {1, 1, 3, 1, 2, 3, 0}, {1, 1, 3, 3, 2, 1, 0}, {1, 3, 3, 1, 2, 1, 0}, |
- {3, 1, 3, 1, 2, 1, 0}, {2, 1, 1, 3, 3, 1, 0}, {2, 3, 1, 1, 3, 1, 0}, |
- {2, 1, 3, 1, 1, 3, 0}, {2, 1, 3, 3, 1, 1, 0}, {2, 1, 3, 1, 3, 1, 0}, |
- {3, 1, 1, 1, 2, 3, 0}, {3, 1, 1, 3, 2, 1, 0}, {3, 3, 1, 1, 2, 1, 0}, |
- {3, 1, 2, 1, 1, 3, 0}, {3, 1, 2, 3, 1, 1, 0}, {3, 3, 2, 1, 1, 1, 0}, |
- {3, 1, 4, 1, 1, 1, 0}, {2, 2, 1, 4, 1, 1, 0}, {4, 3, 1, 1, 1, 1, 0}, |
- {1, 1, 1, 2, 2, 4, 0}, {1, 1, 1, 4, 2, 2, 0}, {1, 2, 1, 1, 2, 4, 0}, |
- {1, 2, 1, 4, 2, 1, 0}, {1, 4, 1, 1, 2, 2, 0}, {1, 4, 1, 2, 2, 1, 0}, |
- {1, 1, 2, 2, 1, 4, 0}, {1, 1, 2, 4, 1, 2, 0}, {1, 2, 2, 1, 1, 4, 0}, |
- {1, 2, 2, 4, 1, 1, 0}, {1, 4, 2, 1, 1, 2, 0}, {1, 4, 2, 2, 1, 1, 0}, |
- {2, 4, 1, 2, 1, 1, 0}, {2, 2, 1, 1, 1, 4, 0}, {4, 1, 3, 1, 1, 1, 0}, |
- {2, 4, 1, 1, 1, 2, 0}, {1, 3, 4, 1, 1, 1, 0}, {1, 1, 1, 2, 4, 2, 0}, |
- {1, 2, 1, 1, 4, 2, 0}, {1, 2, 1, 2, 4, 1, 0}, {1, 1, 4, 2, 1, 2, 0}, |
- {1, 2, 4, 1, 1, 2, 0}, {1, 2, 4, 2, 1, 1, 0}, {4, 1, 1, 2, 1, 2, 0}, |
- {4, 2, 1, 1, 1, 2, 0}, {4, 2, 1, 2, 1, 1, 0}, {2, 1, 2, 1, 4, 1, 0}, |
- {2, 1, 4, 1, 2, 1, 0}, {4, 1, 2, 1, 2, 1, 0}, {1, 1, 1, 1, 4, 3, 0}, |
- {1, 1, 1, 3, 4, 1, 0}, {1, 3, 1, 1, 4, 1, 0}, {1, 1, 4, 1, 1, 3, 0}, |
- {1, 1, 4, 3, 1, 1, 0}, {4, 1, 1, 1, 1, 3, 0}, {4, 1, 1, 3, 1, 1, 0}, |
- {1, 1, 3, 1, 4, 1, 0}, {1, 1, 4, 1, 3, 1, 0}, {3, 1, 1, 1, 4, 1, 0}, |
- {4, 1, 1, 1, 3, 1, 0}, {2, 1, 1, 4, 1, 2, 0}, {2, 1, 1, 2, 1, 4, 0}, |
- {2, 1, 1, 2, 3, 2, 0}, {2, 3, 3, 1, 1, 1, 2}}; |
-const int32_t CBC_OnedCode128Reader::MAX_AVG_VARIANCE = (int32_t)(256 * 0.25f); |
-const int32_t CBC_OnedCode128Reader::MAX_INDIVIDUAL_VARIANCE = |
- (int32_t)(256 * 0.7f); |
-const int32_t CBC_OnedCode128Reader::CODE_SHIFT = 98; |
-const int32_t CBC_OnedCode128Reader::CODE_CODE_C = 99; |
-const int32_t CBC_OnedCode128Reader::CODE_CODE_B = 100; |
-const int32_t CBC_OnedCode128Reader::CODE_CODE_A = 101; |
-const int32_t CBC_OnedCode128Reader::CODE_FNC_1 = 102; |
-const int32_t CBC_OnedCode128Reader::CODE_FNC_2 = 97; |
-const int32_t CBC_OnedCode128Reader::CODE_FNC_3 = 96; |
-const int32_t CBC_OnedCode128Reader::CODE_FNC_4_A = 101; |
-const int32_t CBC_OnedCode128Reader::CODE_FNC_4_B = 100; |
-const int32_t CBC_OnedCode128Reader::CODE_START_A = 103; |
-const int32_t CBC_OnedCode128Reader::CODE_START_B = 104; |
-const int32_t CBC_OnedCode128Reader::CODE_START_C = 105; |
-const int32_t CBC_OnedCode128Reader::CODE_STOP = 106; |
-CBC_OnedCode128Reader::CBC_OnedCode128Reader() {} |
-CBC_OnedCode128Reader::~CBC_OnedCode128Reader() {} |
-CFX_Int32Array* CBC_OnedCode128Reader::FindStartPattern(CBC_CommonBitArray* row, |
- int32_t& e) { |
- int32_t width = row->GetSize(); |
- int32_t rowOffset = 0; |
- while (rowOffset < width) { |
- if (row->Get(rowOffset)) { |
- break; |
- } |
- rowOffset++; |
- } |
- int32_t counterPosition = 0; |
- CFX_Int32Array counters; |
- counters.SetSize(6); |
- int32_t patternStart = rowOffset; |
- FX_BOOL isWhite = FALSE; |
- int32_t patternLength = counters.GetSize(); |
- for (int32_t i = rowOffset; i < width; i++) { |
- FX_BOOL pixel = row->Get(i); |
- if (pixel ^ isWhite) { |
- counters[counterPosition]++; |
- } else { |
- if (counterPosition == patternLength - 1) { |
- int32_t bestVariance = MAX_AVG_VARIANCE; |
- int32_t bestMatch = -1; |
- for (int32_t startCode = CODE_START_A; startCode <= CODE_START_C; |
- startCode++) { |
- int32_t variance = PatternMatchVariance( |
- &counters, &CODE_PATTERNS[startCode][0], MAX_INDIVIDUAL_VARIANCE); |
- if (variance < bestVariance) { |
- bestVariance = variance; |
- bestMatch = startCode; |
- } |
- } |
- if (bestMatch >= 0) { |
- FX_BOOL btemp2 = |
- row->IsRange(std::max(0, patternStart - (i - patternStart) / 2), |
- patternStart, FALSE, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- if (btemp2) { |
- CFX_Int32Array* result = new CFX_Int32Array; |
- result->SetSize(3); |
- (*result)[0] = patternStart; |
- (*result)[1] = i; |
- (*result)[2] = bestMatch; |
- return result; |
- } |
- } |
- patternStart += counters[0] + counters[1]; |
- for (int32_t y = 2; y < patternLength; y++) { |
- counters[y - 2] = counters[y]; |
- } |
- counters[patternLength - 2] = 0; |
- counters[patternLength - 1] = 0; |
- counterPosition--; |
- } else { |
- counterPosition++; |
- } |
- counters[counterPosition] = 1; |
- isWhite = !isWhite; |
- } |
- } |
- e = BCExceptionNotFound; |
- return NULL; |
-} |
-int32_t CBC_OnedCode128Reader::DecodeCode(CBC_CommonBitArray* row, |
- CFX_Int32Array* counters, |
- int32_t rowOffset, |
- int32_t& e) { |
- RecordPattern(row, rowOffset, counters, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, 0); |
- int32_t bestVariance = MAX_AVG_VARIANCE; |
- int32_t bestMatch = -1; |
- for (int32_t d = 0; d < 107; d++) { |
- int32_t variance = PatternMatchVariance(counters, &CODE_PATTERNS[d][0], |
- MAX_INDIVIDUAL_VARIANCE); |
- if (variance < bestVariance) { |
- bestVariance = variance; |
- bestMatch = d; |
- } |
- } |
- if (bestMatch >= 0) { |
- return bestMatch; |
- } else { |
- e = BCExceptionNotFound; |
- return 0; |
- } |
- return 0; |
-} |
-CFX_ByteString CBC_OnedCode128Reader::DecodeRow(int32_t rowNumber, |
- CBC_CommonBitArray* row, |
- int32_t hints, |
- int32_t& e) { |
- CFX_Int32Array* startPatternInfo = FindStartPattern(row, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, ""); |
- int32_t startCode = (*startPatternInfo)[2]; |
- int32_t codeSet; |
- switch (startCode) { |
- case 103: |
- codeSet = CODE_CODE_A; |
- break; |
- case 104: |
- codeSet = CODE_CODE_B; |
- break; |
- case 105: |
- codeSet = CODE_CODE_C; |
- break; |
- default: |
- if (startPatternInfo != NULL) { |
- startPatternInfo->RemoveAll(); |
- delete startPatternInfo; |
- startPatternInfo = NULL; |
- } |
- e = BCExceptionFormatException; |
- return ""; |
- } |
- FX_BOOL done = FALSE; |
- FX_BOOL isNextShifted = FALSE; |
- CFX_ByteString result; |
- int32_t lastStart = (*startPatternInfo)[0]; |
- int32_t nextStart = (*startPatternInfo)[1]; |
- if (startPatternInfo != NULL) { |
- startPatternInfo->RemoveAll(); |
- delete startPatternInfo; |
- startPatternInfo = NULL; |
- } |
- CFX_Int32Array counters; |
- counters.SetSize(6); |
- int32_t lastCode = 0; |
- int32_t code = 0; |
- int32_t checksumTotal = startCode; |
- int32_t multiplier = 0; |
- FX_BOOL lastCharacterWasPrintable = TRUE; |
- while (!done) { |
- FX_BOOL unshift = isNextShifted; |
- isNextShifted = FALSE; |
- lastCode = code; |
- code = DecodeCode(row, &counters, nextStart, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, ""); |
- if (code != CODE_STOP) { |
- lastCharacterWasPrintable = TRUE; |
- } |
- if (code != CODE_STOP) { |
- multiplier++; |
- checksumTotal += multiplier * code; |
- } |
- lastStart = nextStart; |
- for (int32_t i = 0; i < counters.GetSize(); i++) { |
- nextStart += counters[i]; |
- } |
- switch (code) { |
- case 103: |
- case 104: |
- case 105: |
- e = BCExceptionFormatException; |
- return ""; |
- } |
- switch (codeSet) { |
- case 101: |
- if (code < 64) { |
- result += (FX_CHAR)(' ' + code); |
- } else if (code < 96) { |
- result += (FX_CHAR)(code - 64); |
- } else { |
- if (code != CODE_STOP) { |
- lastCharacterWasPrintable = FALSE; |
- } |
- switch (code) { |
- case 102: |
- case 97: |
- case 96: |
- case 101: |
- break; |
- case 98: |
- isNextShifted = TRUE; |
- codeSet = CODE_CODE_B; |
- break; |
- case 100: |
- codeSet = CODE_CODE_B; |
- break; |
- case 99: |
- codeSet = CODE_CODE_C; |
- break; |
- case 106: |
- done = TRUE; |
- break; |
- } |
- } |
- break; |
- case 100: |
- if (code < 96) { |
- result += (FX_CHAR)(' ' + code); |
- } else { |
- if (code != CODE_STOP) { |
- lastCharacterWasPrintable = FALSE; |
- } |
- switch (code) { |
- case 102: |
- case 97: |
- case 96: |
- case 100: |
- break; |
- case 98: |
- isNextShifted = TRUE; |
- codeSet = CODE_CODE_A; |
- break; |
- case 101: |
- codeSet = CODE_CODE_A; |
- break; |
- case 99: |
- codeSet = CODE_CODE_C; |
- break; |
- case 106: |
- done = TRUE; |
- break; |
- } |
- } |
- break; |
- case 99: |
- if (code < 100) { |
- if (code < 10) { |
- result += '0'; |
- } |
- FX_CHAR temp[128]; |
-#if defined(_FX_WINAPI_PARTITION_APP_) |
- sprintf_s(temp, 128, "%d", code); |
-#else |
- sprintf(temp, "%d", code); |
-#endif |
- result += temp; |
- } else { |
- if (code != CODE_STOP) { |
- lastCharacterWasPrintable = FALSE; |
- } |
- switch (code) { |
- case 102: |
- break; |
- case 101: |
- codeSet = CODE_CODE_A; |
- break; |
- case 100: |
- codeSet = CODE_CODE_B; |
- break; |
- case 106: |
- done = TRUE; |
- break; |
- } |
- } |
- break; |
- } |
- if (unshift) { |
- codeSet = codeSet == CODE_CODE_A ? CODE_CODE_B : CODE_CODE_A; |
- } |
- } |
- int32_t width = row->GetSize(); |
- while (nextStart < width && row->Get(nextStart)) { |
- nextStart++; |
- } |
- FX_BOOL boolT1 = row->IsRange( |
- nextStart, std::min(width, nextStart + (nextStart - lastStart) / 2), |
- FALSE, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, ""); |
- if (!boolT1) { |
- e = BCExceptionNotFound; |
- return ""; |
- } |
- checksumTotal -= multiplier * lastCode; |
- if (checksumTotal % 103 != lastCode) { |
- e = BCExceptionChecksumException; |
- return ""; |
- } |
- int32_t resultLength = result.GetLength(); |
- if (resultLength > 0 && lastCharacterWasPrintable) { |
- if (codeSet == CODE_CODE_C) { |
- result = result.Mid(0, result.GetLength() - 2); |
- } else { |
- result = result.Mid(0, result.GetLength() - 1); |
- } |
- } |
- if (result.GetLength() == 0) { |
- e = BCExceptionFormatException; |
- return ""; |
- } |
- return result; |
-} |
+// 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 2008 ZXing authors |
+ * |
+ * 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 <algorithm> |
+ |
+#include "xfa/src/fxbarcode/barcode.h" |
+#include "xfa/src/fxbarcode/BC_Reader.h" |
+#include "xfa/src/fxbarcode/common/BC_CommonBitArray.h" |
+#include "BC_OneDReader.h" |
+#include "BC_OnedCode128Reader.h" |
+const int32_t CBC_OnedCode128Reader::CODE_PATTERNS[107][7] = { |
+ {2, 1, 2, 2, 2, 2, 0}, {2, 2, 2, 1, 2, 2, 0}, {2, 2, 2, 2, 2, 1, 0}, |
+ {1, 2, 1, 2, 2, 3, 0}, {1, 2, 1, 3, 2, 2, 0}, {1, 3, 1, 2, 2, 2, 0}, |
+ {1, 2, 2, 2, 1, 3, 0}, {1, 2, 2, 3, 1, 2, 0}, {1, 3, 2, 2, 1, 2, 0}, |
+ {2, 2, 1, 2, 1, 3, 0}, {2, 2, 1, 3, 1, 2, 0}, {2, 3, 1, 2, 1, 2, 0}, |
+ {1, 1, 2, 2, 3, 2, 0}, {1, 2, 2, 1, 3, 2, 0}, {1, 2, 2, 2, 3, 1, 0}, |
+ {1, 1, 3, 2, 2, 2, 0}, {1, 2, 3, 1, 2, 2, 0}, {1, 2, 3, 2, 2, 1, 0}, |
+ {2, 2, 3, 2, 1, 1, 0}, {2, 2, 1, 1, 3, 2, 0}, {2, 2, 1, 2, 3, 1, 0}, |
+ {2, 1, 3, 2, 1, 2, 0}, {2, 2, 3, 1, 1, 2, 0}, {3, 1, 2, 1, 3, 1, 0}, |
+ {3, 1, 1, 2, 2, 2, 0}, {3, 2, 1, 1, 2, 2, 0}, {3, 2, 1, 2, 2, 1, 0}, |
+ {3, 1, 2, 2, 1, 2, 0}, {3, 2, 2, 1, 1, 2, 0}, {3, 2, 2, 2, 1, 1, 0}, |
+ {2, 1, 2, 1, 2, 3, 0}, {2, 1, 2, 3, 2, 1, 0}, {2, 3, 2, 1, 2, 1, 0}, |
+ {1, 1, 1, 3, 2, 3, 0}, {1, 3, 1, 1, 2, 3, 0}, {1, 3, 1, 3, 2, 1, 0}, |
+ {1, 1, 2, 3, 1, 3, 0}, {1, 3, 2, 1, 1, 3, 0}, {1, 3, 2, 3, 1, 1, 0}, |
+ {2, 1, 1, 3, 1, 3, 0}, {2, 3, 1, 1, 1, 3, 0}, {2, 3, 1, 3, 1, 1, 0}, |
+ {1, 1, 2, 1, 3, 3, 0}, {1, 1, 2, 3, 3, 1, 0}, {1, 3, 2, 1, 3, 1, 0}, |
+ {1, 1, 3, 1, 2, 3, 0}, {1, 1, 3, 3, 2, 1, 0}, {1, 3, 3, 1, 2, 1, 0}, |
+ {3, 1, 3, 1, 2, 1, 0}, {2, 1, 1, 3, 3, 1, 0}, {2, 3, 1, 1, 3, 1, 0}, |
+ {2, 1, 3, 1, 1, 3, 0}, {2, 1, 3, 3, 1, 1, 0}, {2, 1, 3, 1, 3, 1, 0}, |
+ {3, 1, 1, 1, 2, 3, 0}, {3, 1, 1, 3, 2, 1, 0}, {3, 3, 1, 1, 2, 1, 0}, |
+ {3, 1, 2, 1, 1, 3, 0}, {3, 1, 2, 3, 1, 1, 0}, {3, 3, 2, 1, 1, 1, 0}, |
+ {3, 1, 4, 1, 1, 1, 0}, {2, 2, 1, 4, 1, 1, 0}, {4, 3, 1, 1, 1, 1, 0}, |
+ {1, 1, 1, 2, 2, 4, 0}, {1, 1, 1, 4, 2, 2, 0}, {1, 2, 1, 1, 2, 4, 0}, |
+ {1, 2, 1, 4, 2, 1, 0}, {1, 4, 1, 1, 2, 2, 0}, {1, 4, 1, 2, 2, 1, 0}, |
+ {1, 1, 2, 2, 1, 4, 0}, {1, 1, 2, 4, 1, 2, 0}, {1, 2, 2, 1, 1, 4, 0}, |
+ {1, 2, 2, 4, 1, 1, 0}, {1, 4, 2, 1, 1, 2, 0}, {1, 4, 2, 2, 1, 1, 0}, |
+ {2, 4, 1, 2, 1, 1, 0}, {2, 2, 1, 1, 1, 4, 0}, {4, 1, 3, 1, 1, 1, 0}, |
+ {2, 4, 1, 1, 1, 2, 0}, {1, 3, 4, 1, 1, 1, 0}, {1, 1, 1, 2, 4, 2, 0}, |
+ {1, 2, 1, 1, 4, 2, 0}, {1, 2, 1, 2, 4, 1, 0}, {1, 1, 4, 2, 1, 2, 0}, |
+ {1, 2, 4, 1, 1, 2, 0}, {1, 2, 4, 2, 1, 1, 0}, {4, 1, 1, 2, 1, 2, 0}, |
+ {4, 2, 1, 1, 1, 2, 0}, {4, 2, 1, 2, 1, 1, 0}, {2, 1, 2, 1, 4, 1, 0}, |
+ {2, 1, 4, 1, 2, 1, 0}, {4, 1, 2, 1, 2, 1, 0}, {1, 1, 1, 1, 4, 3, 0}, |
+ {1, 1, 1, 3, 4, 1, 0}, {1, 3, 1, 1, 4, 1, 0}, {1, 1, 4, 1, 1, 3, 0}, |
+ {1, 1, 4, 3, 1, 1, 0}, {4, 1, 1, 1, 1, 3, 0}, {4, 1, 1, 3, 1, 1, 0}, |
+ {1, 1, 3, 1, 4, 1, 0}, {1, 1, 4, 1, 3, 1, 0}, {3, 1, 1, 1, 4, 1, 0}, |
+ {4, 1, 1, 1, 3, 1, 0}, {2, 1, 1, 4, 1, 2, 0}, {2, 1, 1, 2, 1, 4, 0}, |
+ {2, 1, 1, 2, 3, 2, 0}, {2, 3, 3, 1, 1, 1, 2}}; |
+const int32_t CBC_OnedCode128Reader::MAX_AVG_VARIANCE = (int32_t)(256 * 0.25f); |
+const int32_t CBC_OnedCode128Reader::MAX_INDIVIDUAL_VARIANCE = |
+ (int32_t)(256 * 0.7f); |
+const int32_t CBC_OnedCode128Reader::CODE_SHIFT = 98; |
+const int32_t CBC_OnedCode128Reader::CODE_CODE_C = 99; |
+const int32_t CBC_OnedCode128Reader::CODE_CODE_B = 100; |
+const int32_t CBC_OnedCode128Reader::CODE_CODE_A = 101; |
+const int32_t CBC_OnedCode128Reader::CODE_FNC_1 = 102; |
+const int32_t CBC_OnedCode128Reader::CODE_FNC_2 = 97; |
+const int32_t CBC_OnedCode128Reader::CODE_FNC_3 = 96; |
+const int32_t CBC_OnedCode128Reader::CODE_FNC_4_A = 101; |
+const int32_t CBC_OnedCode128Reader::CODE_FNC_4_B = 100; |
+const int32_t CBC_OnedCode128Reader::CODE_START_A = 103; |
+const int32_t CBC_OnedCode128Reader::CODE_START_B = 104; |
+const int32_t CBC_OnedCode128Reader::CODE_START_C = 105; |
+const int32_t CBC_OnedCode128Reader::CODE_STOP = 106; |
+CBC_OnedCode128Reader::CBC_OnedCode128Reader() {} |
+CBC_OnedCode128Reader::~CBC_OnedCode128Reader() {} |
+CFX_Int32Array* CBC_OnedCode128Reader::FindStartPattern(CBC_CommonBitArray* row, |
+ int32_t& e) { |
+ int32_t width = row->GetSize(); |
+ int32_t rowOffset = 0; |
+ while (rowOffset < width) { |
+ if (row->Get(rowOffset)) { |
+ break; |
+ } |
+ rowOffset++; |
+ } |
+ int32_t counterPosition = 0; |
+ CFX_Int32Array counters; |
+ counters.SetSize(6); |
+ int32_t patternStart = rowOffset; |
+ FX_BOOL isWhite = FALSE; |
+ int32_t patternLength = counters.GetSize(); |
+ for (int32_t i = rowOffset; i < width; i++) { |
+ FX_BOOL pixel = row->Get(i); |
+ if (pixel ^ isWhite) { |
+ counters[counterPosition]++; |
+ } else { |
+ if (counterPosition == patternLength - 1) { |
+ int32_t bestVariance = MAX_AVG_VARIANCE; |
+ int32_t bestMatch = -1; |
+ for (int32_t startCode = CODE_START_A; startCode <= CODE_START_C; |
+ startCode++) { |
+ int32_t variance = PatternMatchVariance( |
+ &counters, &CODE_PATTERNS[startCode][0], MAX_INDIVIDUAL_VARIANCE); |
+ if (variance < bestVariance) { |
+ bestVariance = variance; |
+ bestMatch = startCode; |
+ } |
+ } |
+ if (bestMatch >= 0) { |
+ FX_BOOL btemp2 = |
+ row->IsRange(std::max(0, patternStart - (i - patternStart) / 2), |
+ patternStart, FALSE, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
+ if (btemp2) { |
+ CFX_Int32Array* result = new CFX_Int32Array; |
+ result->SetSize(3); |
+ (*result)[0] = patternStart; |
+ (*result)[1] = i; |
+ (*result)[2] = bestMatch; |
+ return result; |
+ } |
+ } |
+ patternStart += counters[0] + counters[1]; |
+ for (int32_t y = 2; y < patternLength; y++) { |
+ counters[y - 2] = counters[y]; |
+ } |
+ counters[patternLength - 2] = 0; |
+ counters[patternLength - 1] = 0; |
+ counterPosition--; |
+ } else { |
+ counterPosition++; |
+ } |
+ counters[counterPosition] = 1; |
+ isWhite = !isWhite; |
+ } |
+ } |
+ e = BCExceptionNotFound; |
+ return NULL; |
+} |
+int32_t CBC_OnedCode128Reader::DecodeCode(CBC_CommonBitArray* row, |
+ CFX_Int32Array* counters, |
+ int32_t rowOffset, |
+ int32_t& e) { |
+ RecordPattern(row, rowOffset, counters, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, 0); |
+ int32_t bestVariance = MAX_AVG_VARIANCE; |
+ int32_t bestMatch = -1; |
+ for (int32_t d = 0; d < 107; d++) { |
+ int32_t variance = PatternMatchVariance(counters, &CODE_PATTERNS[d][0], |
+ MAX_INDIVIDUAL_VARIANCE); |
+ if (variance < bestVariance) { |
+ bestVariance = variance; |
+ bestMatch = d; |
+ } |
+ } |
+ if (bestMatch >= 0) { |
+ return bestMatch; |
+ } else { |
+ e = BCExceptionNotFound; |
+ return 0; |
+ } |
+ return 0; |
+} |
+CFX_ByteString CBC_OnedCode128Reader::DecodeRow(int32_t rowNumber, |
+ CBC_CommonBitArray* row, |
+ int32_t hints, |
+ int32_t& e) { |
+ CFX_Int32Array* startPatternInfo = FindStartPattern(row, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, ""); |
+ int32_t startCode = (*startPatternInfo)[2]; |
+ int32_t codeSet; |
+ switch (startCode) { |
+ case 103: |
+ codeSet = CODE_CODE_A; |
+ break; |
+ case 104: |
+ codeSet = CODE_CODE_B; |
+ break; |
+ case 105: |
+ codeSet = CODE_CODE_C; |
+ break; |
+ default: |
+ if (startPatternInfo != NULL) { |
+ startPatternInfo->RemoveAll(); |
+ delete startPatternInfo; |
+ startPatternInfo = NULL; |
+ } |
+ e = BCExceptionFormatException; |
+ return ""; |
+ } |
+ FX_BOOL done = FALSE; |
+ FX_BOOL isNextShifted = FALSE; |
+ CFX_ByteString result; |
+ int32_t lastStart = (*startPatternInfo)[0]; |
+ int32_t nextStart = (*startPatternInfo)[1]; |
+ if (startPatternInfo != NULL) { |
+ startPatternInfo->RemoveAll(); |
+ delete startPatternInfo; |
+ startPatternInfo = NULL; |
+ } |
+ CFX_Int32Array counters; |
+ counters.SetSize(6); |
+ int32_t lastCode = 0; |
+ int32_t code = 0; |
+ int32_t checksumTotal = startCode; |
+ int32_t multiplier = 0; |
+ FX_BOOL lastCharacterWasPrintable = TRUE; |
+ while (!done) { |
+ FX_BOOL unshift = isNextShifted; |
+ isNextShifted = FALSE; |
+ lastCode = code; |
+ code = DecodeCode(row, &counters, nextStart, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, ""); |
+ if (code != CODE_STOP) { |
+ lastCharacterWasPrintable = TRUE; |
+ } |
+ if (code != CODE_STOP) { |
+ multiplier++; |
+ checksumTotal += multiplier * code; |
+ } |
+ lastStart = nextStart; |
+ for (int32_t i = 0; i < counters.GetSize(); i++) { |
+ nextStart += counters[i]; |
+ } |
+ switch (code) { |
+ case 103: |
+ case 104: |
+ case 105: |
+ e = BCExceptionFormatException; |
+ return ""; |
+ } |
+ switch (codeSet) { |
+ case 101: |
+ if (code < 64) { |
+ result += (FX_CHAR)(' ' + code); |
+ } else if (code < 96) { |
+ result += (FX_CHAR)(code - 64); |
+ } else { |
+ if (code != CODE_STOP) { |
+ lastCharacterWasPrintable = FALSE; |
+ } |
+ switch (code) { |
+ case 102: |
+ case 97: |
+ case 96: |
+ case 101: |
+ break; |
+ case 98: |
+ isNextShifted = TRUE; |
+ codeSet = CODE_CODE_B; |
+ break; |
+ case 100: |
+ codeSet = CODE_CODE_B; |
+ break; |
+ case 99: |
+ codeSet = CODE_CODE_C; |
+ break; |
+ case 106: |
+ done = TRUE; |
+ break; |
+ } |
+ } |
+ break; |
+ case 100: |
+ if (code < 96) { |
+ result += (FX_CHAR)(' ' + code); |
+ } else { |
+ if (code != CODE_STOP) { |
+ lastCharacterWasPrintable = FALSE; |
+ } |
+ switch (code) { |
+ case 102: |
+ case 97: |
+ case 96: |
+ case 100: |
+ break; |
+ case 98: |
+ isNextShifted = TRUE; |
+ codeSet = CODE_CODE_A; |
+ break; |
+ case 101: |
+ codeSet = CODE_CODE_A; |
+ break; |
+ case 99: |
+ codeSet = CODE_CODE_C; |
+ break; |
+ case 106: |
+ done = TRUE; |
+ break; |
+ } |
+ } |
+ break; |
+ case 99: |
+ if (code < 100) { |
+ if (code < 10) { |
+ result += '0'; |
+ } |
+ FX_CHAR temp[128]; |
+#if defined(_FX_WINAPI_PARTITION_APP_) |
+ sprintf_s(temp, 128, "%d", code); |
+#else |
+ sprintf(temp, "%d", code); |
+#endif |
+ result += temp; |
+ } else { |
+ if (code != CODE_STOP) { |
+ lastCharacterWasPrintable = FALSE; |
+ } |
+ switch (code) { |
+ case 102: |
+ break; |
+ case 101: |
+ codeSet = CODE_CODE_A; |
+ break; |
+ case 100: |
+ codeSet = CODE_CODE_B; |
+ break; |
+ case 106: |
+ done = TRUE; |
+ break; |
+ } |
+ } |
+ break; |
+ } |
+ if (unshift) { |
+ codeSet = codeSet == CODE_CODE_A ? CODE_CODE_B : CODE_CODE_A; |
+ } |
+ } |
+ int32_t width = row->GetSize(); |
+ while (nextStart < width && row->Get(nextStart)) { |
+ nextStart++; |
+ } |
+ FX_BOOL boolT1 = row->IsRange( |
+ nextStart, std::min(width, nextStart + (nextStart - lastStart) / 2), |
+ FALSE, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, ""); |
+ if (!boolT1) { |
+ e = BCExceptionNotFound; |
+ return ""; |
+ } |
+ checksumTotal -= multiplier * lastCode; |
+ if (checksumTotal % 103 != lastCode) { |
+ e = BCExceptionChecksumException; |
+ return ""; |
+ } |
+ int32_t resultLength = result.GetLength(); |
+ if (resultLength > 0 && lastCharacterWasPrintable) { |
+ if (codeSet == CODE_CODE_C) { |
+ result = result.Mid(0, result.GetLength() - 2); |
+ } else { |
+ result = result.Mid(0, result.GetLength() - 1); |
+ } |
+ } |
+ if (result.GetLength() == 0) { |
+ e = BCExceptionFormatException; |
+ return ""; |
+ } |
+ return result; |
+} |