diff options
Diffstat (limited to 'xfa/src/fxbarcode/oned/BC_OnedCode39Writer.cpp')
| -rw-r--r-- | xfa/src/fxbarcode/oned/BC_OnedCode39Writer.cpp | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/oned/BC_OnedCode39Writer.cpp b/xfa/src/fxbarcode/oned/BC_OnedCode39Writer.cpp new file mode 100644 index 0000000000..d9c77460ac --- /dev/null +++ b/xfa/src/fxbarcode/oned/BC_OnedCode39Writer.cpp @@ -0,0 +1,351 @@ +// 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 2010 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 "../barcode.h"
+#include "../BC_Writer.h"
+#include "../BC_Reader.h"
+#include "../common/BC_CommonBitMatrix.h"
+#include "BC_OneDReader.h"
+#include "BC_OneDimWriter.h"
+#include "BC_OnedCode39Reader.h"
+#include "BC_OnedCode39Writer.h"
+CBC_OnedCode39Writer::CBC_OnedCode39Writer()
+{
+ m_extendedMode = FALSE;
+ m_iWideNarrRatio = 3;
+}
+CBC_OnedCode39Writer::CBC_OnedCode39Writer(FX_BOOL extendedMode)
+{
+ m_iWideNarrRatio = 3;
+ m_extendedMode = extendedMode;
+}
+CBC_OnedCode39Writer::~CBC_OnedCode39Writer()
+{
+}
+FX_BOOL CBC_OnedCode39Writer::CheckContentValidity(FX_WSTR contents)
+{
+ if (m_extendedMode) {
+ return CheckExtendedContentValidity(contents);
+ }
+ for(FX_INT32 i = 0; i < contents.GetLength(); i++) {
+ FX_WCHAR ch = contents.GetAt(i);
+ if ((ch >= (FX_WCHAR)'0' && ch <= (FX_WCHAR)'9') || (ch >= (FX_WCHAR)'A' && ch <= (FX_WCHAR)'Z')
+ || ch == (FX_WCHAR)'-' || ch == (FX_WCHAR)'.' || ch == (FX_WCHAR)' ' || ch == (FX_WCHAR)'*'
+ || ch == (FX_WCHAR)'$' || ch == (FX_WCHAR)'/' || ch == (FX_WCHAR)'+' || ch == (FX_WCHAR)'%') {
+ continue;
+ }
+ return FALSE;
+ }
+ return TRUE;
+}
+FX_BOOL CBC_OnedCode39Writer::CheckExtendedContentValidity(FX_WSTR contents)
+{
+ for(FX_INT32 i = 0; i < contents.GetLength(); i++) {
+ FX_WCHAR ch = contents.GetAt(i);
+ if (ch > 127) {
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+CFX_WideString CBC_OnedCode39Writer::FilterContents(FX_WSTR contents)
+{
+ if (m_extendedMode) {
+ return FilterExtendedContents(contents);
+ }
+ CFX_WideString filtercontents;
+ for(FX_INT32 i = 0; i < contents.GetLength(); i++) {
+ FX_WCHAR ch = contents.GetAt(i);
+ if ( ch == (FX_WCHAR)'*' && (i == 0 || i == contents.GetLength() - 1) ) {
+ continue;
+ }
+ if(ch > 175) {
+ i++;
+ continue;
+ } else {
+ ch = Upper(ch);
+ }
+ if ((ch >= (FX_WCHAR)'0' && ch <= (FX_WCHAR)'9') || (ch >= (FX_WCHAR)'A' && ch <= (FX_WCHAR)'Z')
+ || ch == (FX_WCHAR)'-' || ch == (FX_WCHAR)'.' || ch == (FX_WCHAR)' ' || ch == (FX_WCHAR)'*'
+ || ch == (FX_WCHAR)'$' || ch == (FX_WCHAR)'/' || ch == (FX_WCHAR)'+' || ch == (FX_WCHAR)'%') {
+ filtercontents += ch;
+ }
+ }
+ return filtercontents;
+}
+CFX_WideString CBC_OnedCode39Writer::FilterExtendedContents(FX_WSTR contents)
+{
+ CFX_WideString filtercontents;
+ for(FX_INT32 i = 0; i < contents.GetLength(); i++) {
+ FX_WCHAR ch = contents.GetAt(i);
+ if ( ch == (FX_WCHAR)'*' && (i == 0 || i == contents.GetLength() - 1) ) {
+ continue;
+ }
+ if(ch > 175) {
+ i++;
+ continue;
+ }
+ if (ch > 127 && ch < 176) {
+ continue;
+ }
+ if (ch == 0) {
+ filtercontents += '%';
+ filtercontents += 'U';
+ } else if(ch >= 1 && ch <= 26) {
+ filtercontents += '$';
+ filtercontents += (ch + 64);
+ } else if (ch >= 27 && ch <= 31) {
+ filtercontents += '%';
+ filtercontents += (ch + 38);
+ } else if (ch >= 33 && ch <= 47 && ch != 45 && ch != 46) {
+ filtercontents += '/';
+ filtercontents += (ch + 32);
+ } else if (ch == 58) {
+ filtercontents += '/';
+ filtercontents += 'Z';
+ } else if (ch >= 59 && ch <= 63) {
+ filtercontents += '%';
+ filtercontents += ch + 11;
+ } else if (ch == 64) {
+ filtercontents += '%';
+ filtercontents += 'V';
+ } else if (ch >= 91 && ch <= 95) {
+ filtercontents += '%';
+ filtercontents += ch - 16;
+ } else if (ch == 96) {
+ filtercontents += '%';
+ filtercontents += 'W';
+ } else if (ch >= 97 && ch <= 122) {
+ filtercontents += '+';
+ filtercontents += ch - 32;
+ } else if (ch >= 123 && ch <= 126) {
+ filtercontents += '%';
+ filtercontents += ch - 43;
+ } else if (ch == 127) {
+ filtercontents += '%';
+ filtercontents += 'T';
+ } else {
+ filtercontents += ch;
+ }
+ }
+ return filtercontents;
+}
+CFX_WideString CBC_OnedCode39Writer::RenderTextContents(FX_WSTR contents)
+{
+ if (m_extendedMode) {
+ return RenderExtendedTextContents(contents);
+ }
+ CFX_WideString renderContents;
+ for(FX_INT32 i = 0; i < contents.GetLength(); i++) {
+ FX_WCHAR ch = contents.GetAt(i);
+ if ( ch == (FX_WCHAR)'*' && (i == 0 || i == contents.GetLength() - 1) ) {
+ continue;
+ }
+ if(ch > 175) {
+ i++;
+ continue;
+ }
+ if ((ch >= (FX_WCHAR)'0' && ch <= (FX_WCHAR)'9') || (ch >= (FX_WCHAR)'A' && ch <= (FX_WCHAR)'Z')
+ || (ch >= (FX_WCHAR)'a' && ch <= (FX_WCHAR)'z') || ch == (FX_WCHAR)'-' || ch == (FX_WCHAR)'.'
+ || ch == (FX_WCHAR)' ' || ch == (FX_WCHAR)'*' || ch == (FX_WCHAR)'$' || ch == (FX_WCHAR)'/'
+ || ch == (FX_WCHAR)'+' || ch == (FX_WCHAR)'%') {
+ renderContents += ch;
+ }
+ }
+ return renderContents;
+}
+CFX_WideString CBC_OnedCode39Writer::RenderExtendedTextContents(FX_WSTR contents)
+{
+ CFX_WideString renderContents;
+ for(FX_INT32 i = 0; i < contents.GetLength(); i++) {
+ FX_WCHAR ch = contents.GetAt(i);
+ if ( ch == (FX_WCHAR)'*' && (i == 0 || i == contents.GetLength() - 1) ) {
+ continue;
+ }
+ if(ch > 175) {
+ i++;
+ continue;
+ }
+ if (ch > 127 && ch < 176) {
+ continue;
+ }
+ renderContents += ch;
+ }
+ return renderContents;
+}
+FX_BOOL CBC_OnedCode39Writer::SetTextLocation(BC_TEXT_LOC location)
+{
+ if ( location < BC_TEXT_LOC_NONE || location > BC_TEXT_LOC_BELOWEMBED) {
+ return FALSE;
+ }
+ m_locTextLoc = location;
+ return TRUE;
+}
+FX_BOOL CBC_OnedCode39Writer::SetWideNarrowRatio(FX_INT32 ratio)
+{
+ if ( ratio < 2 || ratio > 3) {
+ return FALSE;
+ }
+ m_iWideNarrRatio = ratio;
+ return TRUE;
+}
+FX_BYTE *CBC_OnedCode39Writer::Encode(const CFX_ByteString &contents, BCFORMAT format, FX_INT32 &outWidth, FX_INT32 &outHeight, FX_INT32 &e)
+{
+ FX_BYTE *ret = Encode(contents, format, outWidth, outHeight, 0 , e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ return ret;
+}
+FX_BYTE *CBC_OnedCode39Writer::Encode(const CFX_ByteString &contents, BCFORMAT format, FX_INT32 &outWidth, FX_INT32 &outHeight, FX_INT32 hints, FX_INT32 &e)
+{
+ if(format != BCFORMAT_CODE_39) {
+ e = BCExceptionOnlyEncodeCODE_39;
+ return NULL;
+ }
+ FX_BYTE *ret = CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ return ret;
+}
+void CBC_OnedCode39Writer::ToIntArray(FX_INT32 a, FX_INT32 *toReturn)
+{
+ for(FX_INT32 i = 0; i < 9; i++) {
+ toReturn[i] = (a & (1 << i) ) == 0 ? 1 : m_iWideNarrRatio;
+ }
+}
+FX_CHAR CBC_OnedCode39Writer::CalcCheckSum(const CFX_ByteString &contents, FX_INT32 &e)
+{
+ FX_INT32 length = contents.GetLength();
+ if (length > 80) {
+ e = BCExceptionContentsLengthShouldBetween1and80;
+ return '*';
+ }
+ FX_INT32 checksum = 0;
+ FX_INT32 len = (FX_INT32)strlen(CBC_OnedCode39Reader::ALPHABET_STRING);
+ for(FX_INT32 i = 0; i < contents.GetLength(); i++) {
+ FX_INT32 j = 0;
+ for (; j < len; j++) {
+ if (CBC_OnedCode39Reader::ALPHABET_STRING[j] == contents[i]) {
+ if(contents[i] != '*') {
+ checksum += j;
+ break;
+ } else {
+ break;
+ }
+ }
+ }
+ if (j >= len) {
+ e = BCExceptionUnSupportedString;
+ return '*';
+ }
+ }
+ checksum = checksum % 43;
+ return CBC_OnedCode39Reader::CHECKSUM_STRING[checksum];
+}
+FX_BYTE *CBC_OnedCode39Writer::Encode(const CFX_ByteString &contents, FX_INT32 &outlength , FX_INT32 &e)
+{
+ FX_CHAR checksum = CalcCheckSum(contents, e);
+ if (checksum == '*') {
+ return NULL;
+ }
+ FX_INT32 widths[9] = {0};
+ FX_INT32 wideStrideNum = 3;
+ FX_INT32 narrStrideNum = 9 - wideStrideNum;
+ CFX_ByteString encodedContents = contents;
+ if ( m_bCalcChecksum ) {
+ encodedContents += checksum;
+ }
+ m_iContentLen = encodedContents.GetLength();
+ FX_INT32 codeWidth = (wideStrideNum * m_iWideNarrRatio + narrStrideNum) * 2 + 1 + m_iContentLen;
+ FX_INT32 len = (FX_INT32)strlen(CBC_OnedCode39Reader::ALPHABET_STRING);
+ for (FX_INT32 j = 0; j < m_iContentLen; j++) {
+ for (FX_INT32 i = 0; i < len; i++) {
+ if (CBC_OnedCode39Reader::ALPHABET_STRING[i] == encodedContents[j]) {
+ ToIntArray(CBC_OnedCode39Reader::CHARACTER_ENCODINGS[i], widths);
+ for(FX_INT32 k = 0; k < 9; k++) {
+ codeWidth += widths[k];
+ }
+ }
+ }
+ }
+ outlength = codeWidth;
+ FX_BYTE *result = FX_Alloc(FX_BYTE, codeWidth);
+ ToIntArray(CBC_OnedCode39Reader::CHARACTER_ENCODINGS[39], widths);
+ FX_INT32 pos = AppendPattern(result, 0, widths, 9, 1 , e);
+ if (e != BCExceptionNO) {
+ FX_Free (result);
+ return NULL;
+ }
+ FX_INT32 narrowWhite[] = {1};
+ pos += AppendPattern(result, pos, narrowWhite, 1, 0, e);
+ if (e != BCExceptionNO) {
+ FX_Free (result);
+ return NULL;
+ }
+ for(FX_INT32 l = m_iContentLen - 1; l >= 0; l--) {
+ for (FX_INT32 i = 0; i < len; i++) {
+ if (CBC_OnedCode39Reader::ALPHABET_STRING[i] == encodedContents[l]) {
+ ToIntArray(CBC_OnedCode39Reader::CHARACTER_ENCODINGS[i], widths);
+ pos += AppendPattern(result, pos, widths, 9, 1, e);
+ if (e != BCExceptionNO) {
+ FX_Free (result);
+ return NULL;
+ }
+ }
+ }
+ pos += AppendPattern(result, pos, narrowWhite, 1, 0, e);
+ if (e != BCExceptionNO) {
+ FX_Free (result);
+ return NULL;
+ }
+ }
+ ToIntArray(CBC_OnedCode39Reader::CHARACTER_ENCODINGS[39], widths);
+ pos += AppendPattern(result, pos, widths, 9, 1, e);
+ if (e != BCExceptionNO) {
+ FX_Free (result);
+ return NULL;
+ }
+ for (FX_INT32 i = 0; i < codeWidth / 2; i++) {
+ result[i] ^= result[codeWidth - 1 - i];
+ result[codeWidth - 1 - i] ^= result[i];
+ result[i] ^= result[codeWidth - 1 - i];
+ }
+ return result;
+}
+CFX_WideString CBC_OnedCode39Writer::encodedContents(FX_WSTR contents, FX_INT32 &e)
+{
+ CFX_WideString encodedContents = contents;
+ if (m_bCalcChecksum && m_bPrintChecksum) {
+ CFX_WideString checksumContent = FilterContents(contents);
+ CFX_ByteString str = checksumContent.UTF8Encode();
+ FX_CHAR checksum;
+ checksum = CalcCheckSum(str, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, FX_WSTRC(L""));
+ str += checksum;
+ encodedContents += checksum;
+ }
+ return encodedContents;
+}
+void CBC_OnedCode39Writer::RenderResult(FX_WSTR contents, FX_BYTE* code, FX_INT32 codeLength, FX_BOOL isDevice, FX_INT32 &e)
+{
+ CFX_WideString encodedCon = encodedContents(contents, e);
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ CBC_OneDimWriter::RenderResult(encodedCon, code, codeLength, isDevice, e);
+}
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