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path: root/fxbarcode/oned/BC_OnedCode39Writer.cpp
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Diffstat (limited to 'fxbarcode/oned/BC_OnedCode39Writer.cpp')
-rw-r--r--fxbarcode/oned/BC_OnedCode39Writer.cpp284
1 files changed, 284 insertions, 0 deletions
diff --git a/fxbarcode/oned/BC_OnedCode39Writer.cpp b/fxbarcode/oned/BC_OnedCode39Writer.cpp
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+++ b/fxbarcode/oned/BC_OnedCode39Writer.cpp
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+// 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 "fxbarcode/BC_Writer.h"
+#include "fxbarcode/common/BC_CommonBitMatrix.h"
+#include "fxbarcode/oned/BC_OneDimWriter.h"
+#include "fxbarcode/oned/BC_OnedCode39Writer.h"
+
+namespace {
+
+const char ALPHABET_STRING[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. *$/+%";
+
+const char CHECKSUM_STRING[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%";
+
+const int32_t CHARACTER_ENCODINGS[44] = {
+ 0x034, 0x121, 0x061, 0x160, 0x031, 0x130, 0x070, 0x025, 0x124,
+ 0x064, 0x109, 0x049, 0x148, 0x019, 0x118, 0x058, 0x00D, 0x10C,
+ 0x04C, 0x01C, 0x103, 0x043, 0x142, 0x013, 0x112, 0x052, 0x007,
+ 0x106, 0x046, 0x016, 0x181, 0x0C1, 0x1C0, 0x091, 0x190, 0x0D0,
+ 0x085, 0x184, 0x0C4, 0x094, 0x0A8, 0x0A2, 0x08A, 0x02A};
+
+} // namespace
+
+CBC_OnedCode39Writer::CBC_OnedCode39Writer() {
+ m_iWideNarrRatio = 3;
+}
+CBC_OnedCode39Writer::~CBC_OnedCode39Writer() {}
+bool CBC_OnedCode39Writer::CheckContentValidity(
+ const CFX_WideStringC& contents) {
+ for (int32_t i = 0; i < contents.GetLength(); i++) {
+ wchar_t ch = contents.GetAt(i);
+ if ((ch >= (wchar_t)'0' && ch <= (wchar_t)'9') ||
+ (ch >= (wchar_t)'A' && ch <= (wchar_t)'Z') || ch == (wchar_t)'-' ||
+ ch == (wchar_t)'.' || ch == (wchar_t)' ' || ch == (wchar_t)'*' ||
+ ch == (wchar_t)'$' || ch == (wchar_t)'/' || ch == (wchar_t)'+' ||
+ ch == (wchar_t)'%') {
+ continue;
+ }
+ return false;
+ }
+ return true;
+}
+
+CFX_WideString CBC_OnedCode39Writer::FilterContents(
+ const CFX_WideStringC& contents) {
+ CFX_WideString filtercontents;
+ for (int32_t i = 0; i < contents.GetLength(); i++) {
+ wchar_t ch = contents.GetAt(i);
+ if (ch == (wchar_t)'*' && (i == 0 || i == contents.GetLength() - 1)) {
+ continue;
+ }
+ if (ch > 175) {
+ i++;
+ continue;
+ } else {
+ ch = Upper(ch);
+ }
+ if ((ch >= (wchar_t)'0' && ch <= (wchar_t)'9') ||
+ (ch >= (wchar_t)'A' && ch <= (wchar_t)'Z') || ch == (wchar_t)'-' ||
+ ch == (wchar_t)'.' || ch == (wchar_t)' ' || ch == (wchar_t)'*' ||
+ ch == (wchar_t)'$' || ch == (wchar_t)'/' || ch == (wchar_t)'+' ||
+ ch == (wchar_t)'%') {
+ filtercontents += ch;
+ }
+ }
+ return filtercontents;
+}
+
+CFX_WideString CBC_OnedCode39Writer::RenderTextContents(
+ const CFX_WideStringC& contents) {
+ CFX_WideString renderContents;
+ for (int32_t i = 0; i < contents.GetLength(); i++) {
+ wchar_t ch = contents.GetAt(i);
+ if (ch == (wchar_t)'*' && (i == 0 || i == contents.GetLength() - 1)) {
+ continue;
+ }
+ if (ch > 175) {
+ i++;
+ continue;
+ }
+ if ((ch >= (wchar_t)'0' && ch <= (wchar_t)'9') ||
+ (ch >= (wchar_t)'A' && ch <= (wchar_t)'Z') ||
+ (ch >= (wchar_t)'a' && ch <= (wchar_t)'z') || ch == (wchar_t)'-' ||
+ ch == (wchar_t)'.' || ch == (wchar_t)' ' || ch == (wchar_t)'*' ||
+ ch == (wchar_t)'$' || ch == (wchar_t)'/' || ch == (wchar_t)'+' ||
+ ch == (wchar_t)'%') {
+ renderContents += ch;
+ }
+ }
+ return renderContents;
+}
+
+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;
+}
+bool CBC_OnedCode39Writer::SetWideNarrowRatio(int32_t ratio) {
+ if (ratio < 2 || ratio > 3) {
+ return false;
+ }
+ m_iWideNarrRatio = ratio;
+ return true;
+}
+uint8_t* CBC_OnedCode39Writer::Encode(const CFX_ByteString& contents,
+ BCFORMAT format,
+ int32_t& outWidth,
+ int32_t& outHeight,
+ int32_t& e) {
+ uint8_t* ret = Encode(contents, format, outWidth, outHeight, 0, e);
+ if (e != BCExceptionNO)
+ return nullptr;
+ return ret;
+}
+uint8_t* CBC_OnedCode39Writer::Encode(const CFX_ByteString& contents,
+ BCFORMAT format,
+ int32_t& outWidth,
+ int32_t& outHeight,
+ int32_t hints,
+ int32_t& e) {
+ if (format != BCFORMAT_CODE_39) {
+ e = BCExceptionOnlyEncodeCODE_39;
+ return nullptr;
+ }
+ uint8_t* ret =
+ CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e);
+ if (e != BCExceptionNO)
+ return nullptr;
+ return ret;
+}
+void CBC_OnedCode39Writer::ToIntArray(int32_t a, int32_t* toReturn) {
+ for (int32_t i = 0; i < 9; i++) {
+ toReturn[i] = (a & (1 << i)) == 0 ? 1 : m_iWideNarrRatio;
+ }
+}
+char CBC_OnedCode39Writer::CalcCheckSum(const CFX_ByteString& contents,
+ int32_t& e) {
+ int32_t length = contents.GetLength();
+ if (length > 80) {
+ e = BCExceptionContentsLengthShouldBetween1and80;
+ return '*';
+ }
+ int32_t checksum = 0;
+ int32_t len = (int32_t)strlen(ALPHABET_STRING);
+ for (int32_t i = 0; i < contents.GetLength(); i++) {
+ int32_t j = 0;
+ for (; j < len; j++) {
+ if (ALPHABET_STRING[j] == contents[i]) {
+ if (contents[i] != '*') {
+ checksum += j;
+ break;
+ } else {
+ break;
+ }
+ }
+ }
+ if (j >= len) {
+ e = BCExceptionUnSupportedString;
+ return '*';
+ }
+ }
+ checksum = checksum % 43;
+ return CHECKSUM_STRING[checksum];
+}
+uint8_t* CBC_OnedCode39Writer::Encode(const CFX_ByteString& contents,
+ int32_t& outlength,
+ int32_t& e) {
+ char checksum = CalcCheckSum(contents, e);
+ if (checksum == '*') {
+ return nullptr;
+ }
+ int32_t widths[9] = {0};
+ int32_t wideStrideNum = 3;
+ int32_t narrStrideNum = 9 - wideStrideNum;
+ CFX_ByteString encodedContents = contents;
+ if (m_bCalcChecksum) {
+ encodedContents += checksum;
+ }
+ m_iContentLen = encodedContents.GetLength();
+ int32_t codeWidth = (wideStrideNum * m_iWideNarrRatio + narrStrideNum) * 2 +
+ 1 + m_iContentLen;
+ int32_t len = (int32_t)strlen(ALPHABET_STRING);
+ for (int32_t j = 0; j < m_iContentLen; j++) {
+ for (int32_t i = 0; i < len; i++) {
+ if (ALPHABET_STRING[i] == encodedContents[j]) {
+ ToIntArray(CHARACTER_ENCODINGS[i], widths);
+ for (int32_t k = 0; k < 9; k++) {
+ codeWidth += widths[k];
+ }
+ }
+ }
+ }
+ outlength = codeWidth;
+ uint8_t* result = FX_Alloc(uint8_t, codeWidth);
+ ToIntArray(CHARACTER_ENCODINGS[39], widths);
+ int32_t pos = AppendPattern(result, 0, widths, 9, 1, e);
+ if (e != BCExceptionNO) {
+ FX_Free(result);
+ return nullptr;
+ }
+ int32_t narrowWhite[] = {1};
+ pos += AppendPattern(result, pos, narrowWhite, 1, 0, e);
+ if (e != BCExceptionNO) {
+ FX_Free(result);
+ return nullptr;
+ }
+ for (int32_t l = m_iContentLen - 1; l >= 0; l--) {
+ for (int32_t i = 0; i < len; i++) {
+ if (ALPHABET_STRING[i] == encodedContents[l]) {
+ ToIntArray(CHARACTER_ENCODINGS[i], widths);
+ pos += AppendPattern(result, pos, widths, 9, 1, e);
+ if (e != BCExceptionNO) {
+ FX_Free(result);
+ return nullptr;
+ }
+ }
+ }
+ pos += AppendPattern(result, pos, narrowWhite, 1, 0, e);
+ if (e != BCExceptionNO) {
+ FX_Free(result);
+ return nullptr;
+ }
+ }
+ ToIntArray(CHARACTER_ENCODINGS[39], widths);
+ pos += AppendPattern(result, pos, widths, 9, 1, e);
+ if (e != BCExceptionNO) {
+ FX_Free(result);
+ return nullptr;
+ }
+ for (int32_t 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(
+ const CFX_WideStringC& contents,
+ int32_t& e) {
+ CFX_WideString encodedContents(contents);
+ if (m_bCalcChecksum && m_bPrintChecksum) {
+ CFX_WideString checksumContent = FilterContents(contents);
+ CFX_ByteString str = checksumContent.UTF8Encode();
+ char checksum;
+ checksum = CalcCheckSum(str, e);
+ if (e != BCExceptionNO)
+ return CFX_WideString();
+ str += checksum;
+ encodedContents += checksum;
+ }
+ return encodedContents;
+}
+void CBC_OnedCode39Writer::RenderResult(const CFX_WideStringC& contents,
+ uint8_t* code,
+ int32_t codeLength,
+ bool isDevice,
+ int32_t& e) {
+ CFX_WideString encodedCon = encodedContents(contents, e);
+ if (e != BCExceptionNO)
+ return;
+ CBC_OneDimWriter::RenderResult(encodedCon.AsStringC(), code, codeLength,
+ isDevice, e);
+}
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