Move xfa/fxbarcode fxbarcode/

Nothing in fxbarcode/ depends on XFA code. This CL moves xfa/fxbarcode
to be fxbarcode/ and creates a static_library for fxbarcode which is
depend on by the xfa library.

Change-Id: I0b708737b07efb94b769a5238d92af92bc62880d
Reviewed-on: https://pdfium-review.googlesource.com/3291
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 284 insertions, 0 deletions

diff --git a/fxbarcode/oned/BC_OnedCode39Writer.cpp b/fxbarcode/oned/BC_OnedCode39Writer.cpp
new file mode 100644
index 0000000000..d454985478
--- /dev/null
+++ b/fxbarcode/oned/BC_OnedCode39Writer.cpp
@@ -0,0 +1,284 @@
+// 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);
+}