summaryrefslogtreecommitdiff
path: root/xfa/src/fxbarcode/oned/BC_OnedCodaBarReader.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'xfa/src/fxbarcode/oned/BC_OnedCodaBarReader.cpp')
-rw-r--r--xfa/src/fxbarcode/oned/BC_OnedCodaBarReader.cpp418
1 files changed, 209 insertions, 209 deletions
diff --git a/xfa/src/fxbarcode/oned/BC_OnedCodaBarReader.cpp b/xfa/src/fxbarcode/oned/BC_OnedCodaBarReader.cpp
index c75ddd48ee..456d50a3cf 100644
--- a/xfa/src/fxbarcode/oned/BC_OnedCodaBarReader.cpp
+++ b/xfa/src/fxbarcode/oned/BC_OnedCodaBarReader.cpp
@@ -1,209 +1,209 @@
-// 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 "xfa/src/fxbarcode/oned/BC_OneDReader.h"
-#include "xfa/src/fxbarcode/oned/BC_OnedCode39Reader.h"
-#include "xfa/src/fxbarcode/oned/BC_OnedCodaBarReader.h"
-const FX_CHAR* CBC_OnedCodaBarReader::ALPHABET_STRING =
- "0123456789-$:/.+ABCDTN";
-const int32_t CBC_OnedCodaBarReader::CHARACTER_ENCODINGS[22] = {
- 0x003, 0x006, 0x009, 0x060, 0x012, 0x042, 0x021, 0x024,
- 0x030, 0x048, 0x00c, 0x018, 0x045, 0x051, 0x054, 0x015,
- 0x01A, 0x029, 0x00B, 0x00E, 0x01A, 0x029};
-const int32_t CBC_OnedCodaBarReader::minCharacterLength = 3;
-const FX_CHAR CBC_OnedCodaBarReader::STARTEND_ENCODING[8] = {
- 'E', '*', 'A', 'B', 'C', 'D', 'T', 'N'};
-CBC_OnedCodaBarReader::CBC_OnedCodaBarReader() {}
-CBC_OnedCodaBarReader::~CBC_OnedCodaBarReader() {}
-CFX_ByteString CBC_OnedCodaBarReader::DecodeRow(int32_t rowNumber,
- CBC_CommonBitArray* row,
- int32_t hints,
- int32_t& e) {
- CFX_Int32Array* int32Ptr = FindAsteriskPattern(row, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, "");
- CBC_AutoPtr<CFX_Int32Array> start(int32Ptr);
- (*start)[1] = 0;
- int32_t nextStart = (*start)[1];
- int32_t end = row->GetSize();
- while (nextStart < end && !row->Get(nextStart)) {
- nextStart++;
- }
- CFX_ByteString result;
- CFX_Int32Array counters;
- counters.SetSize(7);
- FX_CHAR decodedChar;
- int32_t lastStart;
- do {
- RecordPattern(row, nextStart, &counters, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, "");
- decodedChar = ToNarrowWidePattern(&counters);
- if (decodedChar == '!') {
- e = BCExceptionNotFound;
- return "";
- }
- result += decodedChar;
- lastStart = nextStart;
- for (int32_t i = 0; i < counters.GetSize(); i++) {
- nextStart += counters[i];
- }
- while (nextStart < end && !row->Get(nextStart)) {
- nextStart++;
- }
- } while (nextStart < end);
- int32_t lastPatternSize = 0;
- for (int32_t j = 0; j < counters.GetSize(); j++) {
- lastPatternSize += counters[j];
- }
- int32_t whiteSpaceAfterEnd = nextStart - lastStart - lastPatternSize;
- if (nextStart != end && (whiteSpaceAfterEnd / 2 < lastPatternSize)) {
- e = BCExceptionNotFound;
- return "";
- }
- if (result.GetLength() < 2) {
- e = BCExceptionNotFound;
- return "";
- }
- FX_CHAR startchar = result[0];
- if (!ArrayContains(STARTEND_ENCODING, startchar)) {
- e = BCExceptionNotFound;
- return "";
- }
- int32_t len = result.GetLength();
- CFX_ByteString temp = result;
- for (int32_t k = 1; k < result.GetLength(); k++) {
- if (ArrayContains(STARTEND_ENCODING, result[k])) {
- if ((k + 1) != result.GetLength()) {
- result.Delete(1, k);
- k = 1;
- }
- }
- }
- if (result.GetLength() < 5) {
- int32_t index = temp.Find(result.Mid(1, result.GetLength() - 1));
- if (index == len - (result.GetLength() - 1)) {
- e = BCExceptionNotFound;
- return "";
- }
- }
- if (result.GetLength() > minCharacterLength) {
- result = result.Mid(1, result.GetLength() - 2);
- } else {
- e = BCExceptionNotFound;
- return "";
- }
- return result;
-}
-CFX_Int32Array* CBC_OnedCodaBarReader::FindAsteriskPattern(
- 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(7);
- 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) {
- if (ArrayContains(STARTEND_ENCODING, ToNarrowWidePattern(&counters))) {
- FX_BOOL btemp3 =
- row->IsRange(std::max(0, patternStart - (i - patternStart) / 2),
- patternStart, FALSE, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- if (btemp3) {
- CFX_Int32Array* result = new CFX_Int32Array();
- result->SetSize(2);
- (*result)[0] = patternStart;
- (*result)[1] = i;
- 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;
-}
-FX_BOOL CBC_OnedCodaBarReader::ArrayContains(const FX_CHAR array[],
- FX_CHAR key) {
- for (int32_t i = 0; i < 8; i++) {
- if (array[i] == key) {
- return TRUE;
- }
- }
- return FALSE;
-}
-FX_CHAR CBC_OnedCodaBarReader::ToNarrowWidePattern(CFX_Int32Array* counter) {
- int32_t numCounters = counter->GetSize();
- if (numCounters < 1) {
- return '!';
- }
- int32_t averageCounter = 0;
- int32_t totalCounters = 0;
- for (int32_t i = 0; i < numCounters; i++) {
- totalCounters += (*counter)[i];
- }
- averageCounter = totalCounters / numCounters;
- int32_t pattern = 0;
- int32_t wideCounters = 0;
- for (int32_t j = 0; j < numCounters; j++) {
- if ((*counter)[j] > averageCounter) {
- pattern |= 1 << (numCounters - 1 - j);
- wideCounters++;
- }
- }
- if ((wideCounters == 2) || (wideCounters == 3)) {
- for (int32_t k = 0; k < 22; k++) {
- if (CHARACTER_ENCODINGS[k] == pattern) {
- return (ALPHABET_STRING)[k];
- }
- }
- }
- return '!';
-}
+// 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 "xfa/src/fxbarcode/oned/BC_OneDReader.h"
+#include "xfa/src/fxbarcode/oned/BC_OnedCode39Reader.h"
+#include "xfa/src/fxbarcode/oned/BC_OnedCodaBarReader.h"
+const FX_CHAR* CBC_OnedCodaBarReader::ALPHABET_STRING =
+ "0123456789-$:/.+ABCDTN";
+const int32_t CBC_OnedCodaBarReader::CHARACTER_ENCODINGS[22] = {
+ 0x003, 0x006, 0x009, 0x060, 0x012, 0x042, 0x021, 0x024,
+ 0x030, 0x048, 0x00c, 0x018, 0x045, 0x051, 0x054, 0x015,
+ 0x01A, 0x029, 0x00B, 0x00E, 0x01A, 0x029};
+const int32_t CBC_OnedCodaBarReader::minCharacterLength = 3;
+const FX_CHAR CBC_OnedCodaBarReader::STARTEND_ENCODING[8] = {
+ 'E', '*', 'A', 'B', 'C', 'D', 'T', 'N'};
+CBC_OnedCodaBarReader::CBC_OnedCodaBarReader() {}
+CBC_OnedCodaBarReader::~CBC_OnedCodaBarReader() {}
+CFX_ByteString CBC_OnedCodaBarReader::DecodeRow(int32_t rowNumber,
+ CBC_CommonBitArray* row,
+ int32_t hints,
+ int32_t& e) {
+ CFX_Int32Array* int32Ptr = FindAsteriskPattern(row, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, "");
+ CBC_AutoPtr<CFX_Int32Array> start(int32Ptr);
+ (*start)[1] = 0;
+ int32_t nextStart = (*start)[1];
+ int32_t end = row->GetSize();
+ while (nextStart < end && !row->Get(nextStart)) {
+ nextStart++;
+ }
+ CFX_ByteString result;
+ CFX_Int32Array counters;
+ counters.SetSize(7);
+ FX_CHAR decodedChar;
+ int32_t lastStart;
+ do {
+ RecordPattern(row, nextStart, &counters, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, "");
+ decodedChar = ToNarrowWidePattern(&counters);
+ if (decodedChar == '!') {
+ e = BCExceptionNotFound;
+ return "";
+ }
+ result += decodedChar;
+ lastStart = nextStart;
+ for (int32_t i = 0; i < counters.GetSize(); i++) {
+ nextStart += counters[i];
+ }
+ while (nextStart < end && !row->Get(nextStart)) {
+ nextStart++;
+ }
+ } while (nextStart < end);
+ int32_t lastPatternSize = 0;
+ for (int32_t j = 0; j < counters.GetSize(); j++) {
+ lastPatternSize += counters[j];
+ }
+ int32_t whiteSpaceAfterEnd = nextStart - lastStart - lastPatternSize;
+ if (nextStart != end && (whiteSpaceAfterEnd / 2 < lastPatternSize)) {
+ e = BCExceptionNotFound;
+ return "";
+ }
+ if (result.GetLength() < 2) {
+ e = BCExceptionNotFound;
+ return "";
+ }
+ FX_CHAR startchar = result[0];
+ if (!ArrayContains(STARTEND_ENCODING, startchar)) {
+ e = BCExceptionNotFound;
+ return "";
+ }
+ int32_t len = result.GetLength();
+ CFX_ByteString temp = result;
+ for (int32_t k = 1; k < result.GetLength(); k++) {
+ if (ArrayContains(STARTEND_ENCODING, result[k])) {
+ if ((k + 1) != result.GetLength()) {
+ result.Delete(1, k);
+ k = 1;
+ }
+ }
+ }
+ if (result.GetLength() < 5) {
+ int32_t index = temp.Find(result.Mid(1, result.GetLength() - 1));
+ if (index == len - (result.GetLength() - 1)) {
+ e = BCExceptionNotFound;
+ return "";
+ }
+ }
+ if (result.GetLength() > minCharacterLength) {
+ result = result.Mid(1, result.GetLength() - 2);
+ } else {
+ e = BCExceptionNotFound;
+ return "";
+ }
+ return result;
+}
+CFX_Int32Array* CBC_OnedCodaBarReader::FindAsteriskPattern(
+ 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(7);
+ 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) {
+ if (ArrayContains(STARTEND_ENCODING, ToNarrowWidePattern(&counters))) {
+ FX_BOOL btemp3 =
+ row->IsRange(std::max(0, patternStart - (i - patternStart) / 2),
+ patternStart, FALSE, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ if (btemp3) {
+ CFX_Int32Array* result = new CFX_Int32Array();
+ result->SetSize(2);
+ (*result)[0] = patternStart;
+ (*result)[1] = i;
+ 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;
+}
+FX_BOOL CBC_OnedCodaBarReader::ArrayContains(const FX_CHAR array[],
+ FX_CHAR key) {
+ for (int32_t i = 0; i < 8; i++) {
+ if (array[i] == key) {
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+FX_CHAR CBC_OnedCodaBarReader::ToNarrowWidePattern(CFX_Int32Array* counter) {
+ int32_t numCounters = counter->GetSize();
+ if (numCounters < 1) {
+ return '!';
+ }
+ int32_t averageCounter = 0;
+ int32_t totalCounters = 0;
+ for (int32_t i = 0; i < numCounters; i++) {
+ totalCounters += (*counter)[i];
+ }
+ averageCounter = totalCounters / numCounters;
+ int32_t pattern = 0;
+ int32_t wideCounters = 0;
+ for (int32_t j = 0; j < numCounters; j++) {
+ if ((*counter)[j] > averageCounter) {
+ pattern |= 1 << (numCounters - 1 - j);
+ wideCounters++;
+ }
+ }
+ if ((wideCounters == 2) || (wideCounters == 3)) {
+ for (int32_t k = 0; k < 22; k++) {
+ if (CHARACTER_ENCODINGS[k] == pattern) {
+ return (ALPHABET_STRING)[k];
+ }
+ }
+ }
+ return '!';
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 04:37:25 +0000