diff options
Diffstat (limited to 'xfa/src/fxbarcode/oned/BC_OnedCode39Reader.cpp')
| -rw-r--r-- | xfa/src/fxbarcode/oned/BC_OnedCode39Reader.cpp | 484 |
1 files changed, 242 insertions, 242 deletions
diff --git a/xfa/src/fxbarcode/oned/BC_OnedCode39Reader.cpp b/xfa/src/fxbarcode/oned/BC_OnedCode39Reader.cpp index a678338894..3678260033 100644 --- a/xfa/src/fxbarcode/oned/BC_OnedCode39Reader.cpp +++ b/xfa/src/fxbarcode/oned/BC_OnedCode39Reader.cpp @@ -25,269 +25,269 @@ #include "../common/BC_CommonBitArray.h"
#include "BC_OneDReader.h"
#include "BC_OnedCode39Reader.h"
-const FX_CHAR* CBC_OnedCode39Reader::ALPHABET_STRING = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. *$/+%";
-const FX_CHAR* CBC_OnedCode39Reader::CHECKSUM_STRING = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%";
+const FX_CHAR* CBC_OnedCode39Reader::ALPHABET_STRING =
+ "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. *$/+%";
+const FX_CHAR* CBC_OnedCode39Reader::CHECKSUM_STRING =
+ "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%";
const int32_t CBC_OnedCode39Reader::CHARACTER_ENCODINGS[44] = {
- 0x034, 0x121, 0x061, 0x160, 0x031, 0x130, 0x070, 0x025, 0x124, 0x064,
- 0x109, 0x049, 0x148, 0x019, 0x118, 0x058, 0x00D, 0x10C, 0x04C, 0x01C,
- 0x103, 0x043, 0x142, 0x013, 0x112, 0x052, 0x007, 0x106, 0x046, 0x016,
- 0x181, 0x0C1, 0x1C0, 0x091, 0x190, 0x0D0, 0x085, 0x184, 0x0C4, 0x094,
- 0x0A8, 0x0A2, 0x08A, 0x02A
-};
+ 0x034, 0x121, 0x061, 0x160, 0x031, 0x130, 0x070, 0x025, 0x124,
+ 0x064, 0x109, 0x049, 0x148, 0x019, 0x118, 0x058, 0x00D, 0x10C,
+ 0x04C, 0x01C, 0x103, 0x043, 0x142, 0x013, 0x112, 0x052, 0x007,
+ 0x106, 0x046, 0x016, 0x181, 0x0C1, 0x1C0, 0x091, 0x190, 0x0D0,
+ 0x085, 0x184, 0x0C4, 0x094, 0x0A8, 0x0A2, 0x08A, 0x02A};
const int32_t CBC_OnedCode39Reader::ASTERISK_ENCODING = 0x094;
-CBC_OnedCode39Reader::CBC_OnedCode39Reader(): m_extendedMode(FALSE), m_usingCheckDigit(FALSE)
-{
+CBC_OnedCode39Reader::CBC_OnedCode39Reader()
+ : m_extendedMode(FALSE), m_usingCheckDigit(FALSE) {}
+CBC_OnedCode39Reader::CBC_OnedCode39Reader(FX_BOOL usingCheckDigit) {
+ m_usingCheckDigit = usingCheckDigit;
+ m_extendedMode = FALSE;
}
-CBC_OnedCode39Reader::CBC_OnedCode39Reader(FX_BOOL usingCheckDigit)
-{
- m_usingCheckDigit = usingCheckDigit;
- m_extendedMode = FALSE;
+CBC_OnedCode39Reader::CBC_OnedCode39Reader(FX_BOOL usingCheckDigit,
+ FX_BOOL extendedMode) {
+ m_extendedMode = extendedMode;
+ m_usingCheckDigit = usingCheckDigit;
}
-CBC_OnedCode39Reader::CBC_OnedCode39Reader(FX_BOOL usingCheckDigit, FX_BOOL extendedMode)
-{
- m_extendedMode = extendedMode;
- m_usingCheckDigit = usingCheckDigit;
-}
-CBC_OnedCode39Reader::~CBC_OnedCode39Reader()
-{
-}
-CFX_ByteString CBC_OnedCode39Reader::DecodeRow(int32_t rowNumber, CBC_CommonBitArray *row, int32_t hints, int32_t &e)
-{
- CFX_Int32Array *start = FindAsteriskPattern(row, e);
+CBC_OnedCode39Reader::~CBC_OnedCode39Reader() {}
+CFX_ByteString CBC_OnedCode39Reader::DecodeRow(int32_t rowNumber,
+ CBC_CommonBitArray* row,
+ int32_t hints,
+ int32_t& e) {
+ CFX_Int32Array* start = FindAsteriskPattern(row, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, "");
+ int32_t nextStart = (*start)[1];
+ if (start != NULL) {
+ delete start;
+ start = NULL;
+ }
+ int32_t end = row->GetSize();
+ while (nextStart < end && !row->Get(nextStart)) {
+ nextStart++;
+ }
+ CFX_ByteString result;
+ CFX_Int32Array counters;
+ counters.SetSize(9);
+ FX_CHAR decodedChar;
+ int32_t lastStart;
+ do {
+ RecordPattern(row, nextStart, &counters, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, "");
+ int32_t pattern = ToNarrowWidePattern(&counters);
+ if (pattern < 0) {
+ e = BCExceptionNotFound;
+ return "";
+ }
+ decodedChar = PatternToChar(pattern, e);
BC_EXCEPTION_CHECK_ReturnValue(e, "");
- int32_t nextStart = (*start)[1];
- if(start != NULL) {
- delete start;
- start = NULL;
+ result += decodedChar;
+ lastStart = nextStart;
+ for (int32_t i = 0; i < counters.GetSize(); i++) {
+ nextStart += counters[i];
}
- int32_t end = row->GetSize();
while (nextStart < end && !row->Get(nextStart)) {
- nextStart++;
+ nextStart++;
}
- CFX_ByteString result;
- CFX_Int32Array counters;
- counters.SetSize(9);
- FX_CHAR decodedChar;
- int32_t lastStart;
- do {
- RecordPattern(row, nextStart, &counters, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, "");
- int32_t pattern = ToNarrowWidePattern(&counters);
- if (pattern < 0) {
- e = BCExceptionNotFound;
- return "";
- }
- decodedChar = PatternToChar(pattern, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, "");
- result += decodedChar;
- lastStart = nextStart;
- for (int32_t i = 0; i < counters.GetSize(); i++) {
- nextStart += counters[i];
+ } while (decodedChar != '*');
+ result = result.Mid(0, result.GetLength() - 1);
+ int32_t lastPatternSize = 0;
+ for (int32_t j = 0; j < counters.GetSize(); j++) {
+ lastPatternSize += counters[j];
+ }
+ int32_t whiteSpaceAfterEnd = nextStart - lastStart - lastPatternSize;
+ if (m_usingCheckDigit) {
+ int32_t max = result.GetLength() - 1;
+ int32_t total = 0;
+ int32_t len = (int32_t)strlen(ALPHABET_STRING);
+ for (int32_t k = 0; k < max; k++) {
+ for (int32_t j = 0; j < len; j++)
+ if (ALPHABET_STRING[j] == result[k]) {
+ total += j;
}
- while (nextStart < end && !row->Get(nextStart)) {
- nextStart++;
- }
- } while (decodedChar != '*');
- result = result.Mid(0, result.GetLength() - 1);
- int32_t lastPatternSize = 0;
- for (int32_t j = 0; j < counters.GetSize(); j++) {
- lastPatternSize += counters[j];
}
- int32_t whiteSpaceAfterEnd = nextStart - lastStart - lastPatternSize;
- if(m_usingCheckDigit) {
- int32_t max = result.GetLength() - 1;
- int32_t total = 0;
- int32_t len = (int32_t)strlen(ALPHABET_STRING);
- for (int32_t k = 0; k < max; k++) {
- for (int32_t j = 0; j < len; j++)
- if (ALPHABET_STRING[j] == result[k]) {
- total += j;
- }
- }
- if (result[max] != (ALPHABET_STRING)[total % 43]) {
- e = BCExceptionChecksumException;
- return "";
- }
- result = result.Mid(0, result.GetLength() - 1);
+ if (result[max] != (ALPHABET_STRING)[total % 43]) {
+ e = BCExceptionChecksumException;
+ return "";
}
- if (result.GetLength() == 0) {
- e = BCExceptionNotFound;
- return "";
+ result = result.Mid(0, result.GetLength() - 1);
+ }
+ if (result.GetLength() == 0) {
+ e = BCExceptionNotFound;
+ return "";
+ }
+ if (m_extendedMode) {
+ CFX_ByteString bytestr = DecodeExtended(result, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, "");
+ return bytestr;
+ } else {
+ return result;
+ }
+}
+CFX_Int32Array* CBC_OnedCode39Reader::FindAsteriskPattern(
+ CBC_CommonBitArray* row,
+ int32_t& e) {
+ int32_t width = row->GetSize();
+ int32_t rowOffset = 0;
+ while (rowOffset < width) {
+ if (row->Get(rowOffset)) {
+ break;
}
- if(m_extendedMode) {
- CFX_ByteString bytestr = DecodeExtended(result, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, "");
- return bytestr;
+ rowOffset++;
+ }
+ int32_t counterPosition = 0;
+ CFX_Int32Array counters;
+ counters.SetSize(9);
+ 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 {
- return result;
- }
-}
-CFX_Int32Array *CBC_OnedCode39Reader::FindAsteriskPattern(CBC_CommonBitArray *row, int32_t &e)
-{
- int32_t width = row->GetSize();
- int32_t rowOffset = 0;
- while (rowOffset < width) {
- if (row->Get(rowOffset)) {
- break;
+ if (counterPosition == patternLength - 1) {
+ if (ToNarrowWidePattern(&counters) == ASTERISK_ENCODING) {
+ FX_BOOL bT1 =
+ row->IsRange(FX_MAX(0, patternStart - (i - patternStart) / 2),
+ patternStart, FALSE, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ if (bT1) {
+ CFX_Int32Array* result = FX_NEW CFX_Int32Array;
+ result->SetSize(2);
+ (*result)[0] = patternStart;
+ (*result)[1] = i;
+ return result;
+ }
}
- rowOffset++;
- }
- int32_t counterPosition = 0;
- CFX_Int32Array counters;
- counters.SetSize(9);
- 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 (ToNarrowWidePattern(&counters) == ASTERISK_ENCODING) {
- FX_BOOL bT1 = row->IsRange(FX_MAX(0, patternStart - (i - patternStart) / 2), patternStart, FALSE, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- if (bT1) {
- CFX_Int32Array *result = FX_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;
+ 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;
+ }
+ e = BCExceptionNotFound;
+ return NULL;
}
-int32_t CBC_OnedCode39Reader::ToNarrowWidePattern(CFX_Int32Array *counters)
-{
- int32_t numCounters = counters->GetSize();
- int32_t maxNarrowCounter = 0;
- int32_t wideCounters;
- do {
+int32_t CBC_OnedCode39Reader::ToNarrowWidePattern(CFX_Int32Array* counters) {
+ int32_t numCounters = counters->GetSize();
+ int32_t maxNarrowCounter = 0;
+ int32_t wideCounters;
+ do {
#undef max
- int32_t minCounter = FXSYS_IntMax;
- for (int32_t i = 0; i < numCounters; i++) {
- int32_t counter = (*counters)[i];
- if (counter < minCounter && counter > maxNarrowCounter) {
- minCounter = counter;
- }
- }
- maxNarrowCounter = minCounter;
- wideCounters = 0;
- int32_t totalWideCountersWidth = 0;
- int32_t pattern = 0;
- for (int32_t j = 0; j < numCounters; j++) {
- int32_t counter = (*counters)[j];
- if ((*counters)[j] > maxNarrowCounter) {
- pattern |= 1 << (numCounters - 1 - j);
- wideCounters++;
- totalWideCountersWidth += counter;
- }
- }
- if (wideCounters == 3) {
- for (int32_t k = 0; k < numCounters && wideCounters > 0; k++) {
- int32_t counter = (*counters)[k];
- if ((*counters)[k] > maxNarrowCounter) {
- wideCounters--;
- if ((counter << 1) >= totalWideCountersWidth) {
- return -1;
- }
- }
- }
- return pattern;
+ int32_t minCounter = FXSYS_IntMax;
+ for (int32_t i = 0; i < numCounters; i++) {
+ int32_t counter = (*counters)[i];
+ if (counter < minCounter && counter > maxNarrowCounter) {
+ minCounter = counter;
+ }
+ }
+ maxNarrowCounter = minCounter;
+ wideCounters = 0;
+ int32_t totalWideCountersWidth = 0;
+ int32_t pattern = 0;
+ for (int32_t j = 0; j < numCounters; j++) {
+ int32_t counter = (*counters)[j];
+ if ((*counters)[j] > maxNarrowCounter) {
+ pattern |= 1 << (numCounters - 1 - j);
+ wideCounters++;
+ totalWideCountersWidth += counter;
+ }
+ }
+ if (wideCounters == 3) {
+ for (int32_t k = 0; k < numCounters && wideCounters > 0; k++) {
+ int32_t counter = (*counters)[k];
+ if ((*counters)[k] > maxNarrowCounter) {
+ wideCounters--;
+ if ((counter << 1) >= totalWideCountersWidth) {
+ return -1;
+ }
}
- } while (wideCounters > 3);
- return -1;
+ }
+ return pattern;
+ }
+ } while (wideCounters > 3);
+ return -1;
}
-FX_CHAR CBC_OnedCode39Reader::PatternToChar(int32_t pattern, int32_t &e)
-{
- for (int32_t i = 0; i < 44; i++) {
- if (CHARACTER_ENCODINGS[i] == pattern) {
- return (ALPHABET_STRING)[i];
- }
+FX_CHAR CBC_OnedCode39Reader::PatternToChar(int32_t pattern, int32_t& e) {
+ for (int32_t i = 0; i < 44; i++) {
+ if (CHARACTER_ENCODINGS[i] == pattern) {
+ return (ALPHABET_STRING)[i];
}
- e = BCExceptionNotFound;
- return 0;
+ }
+ e = BCExceptionNotFound;
+ return 0;
}
-CFX_ByteString CBC_OnedCode39Reader::DecodeExtended(CFX_ByteString &encoded, int32_t &e)
-{
- int32_t length = encoded.GetLength();
- CFX_ByteString decoded;
- FX_CHAR c, next;
- for(int32_t i = 0; i < length; i++) {
- c = encoded[i];
- if(c == '+' || c == '$' || c == '%' || c == '/') {
- next = encoded[i + 1];
- FX_CHAR decodedChar = '\0';
- switch (c) {
- case '+':
- if (next >= 'A' && next <= 'Z') {
- decodedChar = (FX_CHAR) (next + 32);
- } else {
- e = BCExceptionFormatException;
- return "";
- }
- break;
- case '$':
- if (next >= 'A' && next <= 'Z') {
- decodedChar = (FX_CHAR) (next - 64);
- } else {
- e = BCExceptionFormatException;
- return "";
- }
- break;
- case '%':
- if (next >= 'A' && next <= 'E') {
- decodedChar = (FX_CHAR) (next - 38);
- } else if (next >= 'F' && next <= 'J') {
- decodedChar = (FX_CHAR) (next - 11);
- } else if (next >= 'K' && next <= 'O' && next != 'M' && next != 'N') {
- decodedChar = (FX_CHAR) (next + 16);
- } else if (next >= 'P' && next <= 'S') {
- decodedChar = (FX_CHAR) (next + 43);
- } else if (next == 'U') {
- decodedChar = (FX_CHAR) 0;
- } else if (next == 'V') {
- decodedChar = (FX_CHAR) 64;
- } else if (next == 'W') {
- decodedChar = (FX_CHAR) 96;
- } else if (next == 'T' || next == 'X' || next == 'Y' || next == 'Z') {
- decodedChar = (FX_CHAR) 127;
- } else {
- e = BCExceptionFormatException;
- return "";
- }
- break;
- case '/':
- if (next >= 'A' && next <= 'O') {
- decodedChar = (FX_CHAR) (next - 32);
- } else if (next == 'Z') {
- decodedChar = ':';
- } else {
- e = BCExceptionFormatException;
- return "";
- }
- break;
- }
- decoded += decodedChar;
- i++;
- } else {
- decoded += c;
- }
+CFX_ByteString CBC_OnedCode39Reader::DecodeExtended(CFX_ByteString& encoded,
+ int32_t& e) {
+ int32_t length = encoded.GetLength();
+ CFX_ByteString decoded;
+ FX_CHAR c, next;
+ for (int32_t i = 0; i < length; i++) {
+ c = encoded[i];
+ if (c == '+' || c == '$' || c == '%' || c == '/') {
+ next = encoded[i + 1];
+ FX_CHAR decodedChar = '\0';
+ switch (c) {
+ case '+':
+ if (next >= 'A' && next <= 'Z') {
+ decodedChar = (FX_CHAR)(next + 32);
+ } else {
+ e = BCExceptionFormatException;
+ return "";
+ }
+ break;
+ case '$':
+ if (next >= 'A' && next <= 'Z') {
+ decodedChar = (FX_CHAR)(next - 64);
+ } else {
+ e = BCExceptionFormatException;
+ return "";
+ }
+ break;
+ case '%':
+ if (next >= 'A' && next <= 'E') {
+ decodedChar = (FX_CHAR)(next - 38);
+ } else if (next >= 'F' && next <= 'J') {
+ decodedChar = (FX_CHAR)(next - 11);
+ } else if (next >= 'K' && next <= 'O' && next != 'M' && next != 'N') {
+ decodedChar = (FX_CHAR)(next + 16);
+ } else if (next >= 'P' && next <= 'S') {
+ decodedChar = (FX_CHAR)(next + 43);
+ } else if (next == 'U') {
+ decodedChar = (FX_CHAR)0;
+ } else if (next == 'V') {
+ decodedChar = (FX_CHAR)64;
+ } else if (next == 'W') {
+ decodedChar = (FX_CHAR)96;
+ } else if (next == 'T' || next == 'X' || next == 'Y' || next == 'Z') {
+ decodedChar = (FX_CHAR)127;
+ } else {
+ e = BCExceptionFormatException;
+ return "";
+ }
+ break;
+ case '/':
+ if (next >= 'A' && next <= 'O') {
+ decodedChar = (FX_CHAR)(next - 32);
+ } else if (next == 'Z') {
+ decodedChar = ':';
+ } else {
+ e = BCExceptionFormatException;
+ return "";
+ }
+ break;
+ }
+ decoded += decodedChar;
+ i++;
+ } else {
+ decoded += c;
}
- return decoded;
+ }
+ return decoded;
}
|