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, 268 insertions, 0 deletions

diff --git a/fxbarcode/oned/BC_OnedEAN8Writer.cpp b/fxbarcode/oned/BC_OnedEAN8Writer.cpp
new file mode 100644
index 0000000000..5d1666da98
--- /dev/null
+++ b/fxbarcode/oned/BC_OnedEAN8Writer.cpp
@@ -0,0 +1,268 @@
+// 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 2009 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 "core/fxge/cfx_fxgedevice.h"
+#include "core/fxge/cfx_gemodule.h"
+#include "fxbarcode/BC_Writer.h"
+#include "fxbarcode/common/BC_CommonBitMatrix.h"
+#include "fxbarcode/oned/BC_OneDimWriter.h"
+#include "fxbarcode/oned/BC_OnedEAN8Writer.h"
+
+namespace {
+
+const int32_t START_END_PATTERN[3] = {1, 1, 1};
+const int32_t MIDDLE_PATTERN[5] = {1, 1, 1, 1, 1};
+const int32_t L_PATTERNS[10][4] = {
+    {3, 2, 1, 1}, {2, 2, 2, 1}, {2, 1, 2, 2}, {1, 4, 1, 1}, {1, 1, 3, 2},
+    {1, 2, 3, 1}, {1, 1, 1, 4}, {1, 3, 1, 2}, {1, 2, 1, 3}, {3, 1, 1, 2}};
+
+}  // namespace
+
+CBC_OnedEAN8Writer::CBC_OnedEAN8Writer() {
+  m_iDataLenth = 8;
+  m_codeWidth = 3 + (7 * 4) + 5 + (7 * 4) + 3;
+}
+CBC_OnedEAN8Writer::~CBC_OnedEAN8Writer() {}
+void CBC_OnedEAN8Writer::SetDataLength(int32_t length) {
+  m_iDataLenth = 8;
+}
+bool CBC_OnedEAN8Writer::SetTextLocation(BC_TEXT_LOC location) {
+  if (location == BC_TEXT_LOC_BELOWEMBED) {
+    m_locTextLoc = location;
+    return true;
+  }
+  return false;
+}
+bool CBC_OnedEAN8Writer::CheckContentValidity(const CFX_WideStringC& contents) {
+  for (int32_t i = 0; i < contents.GetLength(); i++) {
+    if (contents.GetAt(i) >= '0' && contents.GetAt(i) <= '9') {
+      continue;
+    } else {
+      return false;
+    }
+  }
+  return true;
+}
+CFX_WideString CBC_OnedEAN8Writer::FilterContents(
+    const CFX_WideStringC& contents) {
+  CFX_WideString filtercontents;
+  wchar_t ch;
+  for (int32_t i = 0; i < contents.GetLength(); i++) {
+    ch = contents.GetAt(i);
+    if (ch > 175) {
+      i++;
+      continue;
+    }
+    if (ch >= '0' && ch <= '9') {
+      filtercontents += ch;
+    }
+  }
+  return filtercontents;
+}
+int32_t CBC_OnedEAN8Writer::CalcChecksum(const CFX_ByteString& contents) {
+  int32_t odd = 0;
+  int32_t even = 0;
+  int32_t j = 1;
+  for (int32_t i = contents.GetLength() - 1; i >= 0; i--) {
+    if (j % 2) {
+      odd += FXSYS_atoi(contents.Mid(i, 1).c_str());
+    } else {
+      even += FXSYS_atoi(contents.Mid(i, 1).c_str());
+    }
+    j++;
+  }
+  int32_t checksum = (odd * 3 + even) % 10;
+  checksum = (10 - checksum) % 10;
+  return (checksum);
+}
+uint8_t* CBC_OnedEAN8Writer::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_OnedEAN8Writer::Encode(const CFX_ByteString& contents,
+                                    BCFORMAT format,
+                                    int32_t& outWidth,
+                                    int32_t& outHeight,
+                                    int32_t hints,
+                                    int32_t& e) {
+  if (format != BCFORMAT_EAN_8) {
+    e = BCExceptionOnlyEncodeEAN_8;
+    return nullptr;
+  }
+  uint8_t* ret =
+      CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e);
+  if (e != BCExceptionNO)
+    return nullptr;
+  return ret;
+}
+uint8_t* CBC_OnedEAN8Writer::Encode(const CFX_ByteString& contents,
+                                    int32_t& outLength,
+                                    int32_t& e) {
+  if (contents.GetLength() != 8) {
+    e = BCExceptionDigitLengthMustBe8;
+    return nullptr;
+  }
+  outLength = m_codeWidth;
+  uint8_t* result = FX_Alloc(uint8_t, m_codeWidth);
+  int32_t pos = 0;
+  pos += AppendPattern(result, pos, START_END_PATTERN, 3, 1, e);
+  if (e != BCExceptionNO) {
+    FX_Free(result);
+    return nullptr;
+  }
+  int32_t i = 0;
+  for (i = 0; i <= 3; i++) {
+    int32_t digit = FXSYS_atoi(contents.Mid(i, 1).c_str());
+    pos += AppendPattern(result, pos, L_PATTERNS[digit], 4, 0, e);
+    if (e != BCExceptionNO) {
+      FX_Free(result);
+      return nullptr;
+    }
+  }
+  pos += AppendPattern(result, pos, MIDDLE_PATTERN, 5, 0, e);
+  if (e != BCExceptionNO) {
+    FX_Free(result);
+    return nullptr;
+  }
+  for (i = 4; i <= 7; i++) {
+    int32_t digit = FXSYS_atoi(contents.Mid(i, 1).c_str());
+    pos += AppendPattern(result, pos, L_PATTERNS[digit], 4, 1, e);
+    if (e != BCExceptionNO) {
+      FX_Free(result);
+      return nullptr;
+    }
+  }
+  pos += AppendPattern(result, pos, START_END_PATTERN, 3, 1, e);
+  if (e != BCExceptionNO) {
+    FX_Free(result);
+    return nullptr;
+  }
+  return result;
+}
+
+void CBC_OnedEAN8Writer::ShowChars(
+    const CFX_WideStringC& contents,
+    const CFX_RetainPtr<CFX_DIBitmap>& pOutBitmap,
+    CFX_RenderDevice* device,
+    const CFX_Matrix* matrix,
+    int32_t barWidth,
+    int32_t multiple,
+    int32_t& e) {
+  if (!device && !pOutBitmap) {
+    e = BCExceptionIllegalArgument;
+    return;
+  }
+
+  int32_t leftPosition = 3 * multiple;
+  CFX_ByteString str = FX_UTF8Encode(contents);
+  int32_t iLength = str.GetLength();
+  FXTEXT_CHARPOS* pCharPos = FX_Alloc(FXTEXT_CHARPOS, iLength);
+  FXSYS_memset(pCharPos, 0, sizeof(FXTEXT_CHARPOS) * iLength);
+  CFX_ByteString tempStr = str.Mid(0, 4);
+  int32_t iLen = tempStr.GetLength();
+  int32_t strWidth = 7 * multiple * 4;
+  float blank = 0.0;
+  CFX_FxgeDevice geBitmap;
+  if (pOutBitmap)
+    geBitmap.Attach(pOutBitmap, false, nullptr, false);
+
+  int32_t iFontSize = (int32_t)fabs(m_fFontSize);
+  int32_t iTextHeight = iFontSize + 1;
+  if (!pOutBitmap) {
+    CFX_Matrix matr(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
+    CFX_FloatRect rect((float)leftPosition, (float)(m_Height - iTextHeight),
+                       (float)(leftPosition + strWidth - 0.5), (float)m_Height);
+    matr.Concat(*matrix);
+    matr.TransformRect(rect);
+    FX_RECT re = rect.GetOuterRect();
+    device->FillRect(&re, m_backgroundColor);
+    CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
+    CFX_FloatRect rect1((float)(leftPosition + 33 * multiple),
+                        (float)(m_Height - iTextHeight),
+                        (float)(leftPosition + 33 * multiple + strWidth - 0.5),
+                        (float)m_Height);
+    matr1.Concat(*matrix);
+    matr1.TransformRect(rect1);
+    re = rect1.GetOuterRect();
+    device->FillRect(&re, m_backgroundColor);
+  }
+  if (!pOutBitmap)
+    strWidth = (int32_t)(strWidth * m_outputHScale);
+
+  CalcTextInfo(tempStr, pCharPos, m_pFont, (float)strWidth, iFontSize, blank);
+  CFX_Matrix affine_matrix(1.0, 0.0, 0.0, -1.0, 0.0, (float)iFontSize);
+  CFX_FxgeDevice ge;
+  if (pOutBitmap) {
+    ge.Create(strWidth, iTextHeight, FXDIB_Argb, nullptr);
+    ge.GetBitmap()->Clear(m_backgroundColor);
+    ge.DrawNormalText(iLen, pCharPos, m_pFont, static_cast<float>(iFontSize),
+                      &affine_matrix, m_fontColor, FXTEXT_CLEARTYPE);
+    geBitmap.SetDIBits(ge.GetBitmap(), leftPosition, m_Height - iTextHeight);
+  } else {
+    CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0,
+                              (float)leftPosition * m_outputHScale,
+                              (float)(m_Height - iTextHeight + iFontSize));
+    affine_matrix1.Concat(*matrix);
+    device->DrawNormalText(iLen, pCharPos, m_pFont,
+                           static_cast<float>(iFontSize), &affine_matrix1,
+                           m_fontColor, FXTEXT_CLEARTYPE);
+  }
+  tempStr = str.Mid(4, 4);
+  iLen = tempStr.GetLength();
+  CalcTextInfo(tempStr, pCharPos + 4, m_pFont, (float)strWidth, iFontSize,
+               blank);
+  if (pOutBitmap) {
+    ge.Create(strWidth, iTextHeight, FXDIB_Argb, nullptr);
+    ge.GetBitmap()->Clear(m_backgroundColor);
+    ge.DrawNormalText(iLen, pCharPos + 4, m_pFont,
+                      static_cast<float>(iFontSize), &affine_matrix,
+                      m_fontColor, FXTEXT_CLEARTYPE);
+    geBitmap.SetDIBits(ge.GetBitmap(), leftPosition + 33 * multiple,
+                       m_Height - iTextHeight);
+  } else {
+    CFX_Matrix affine_matrix1(
+        1.0, 0.0, 0.0, -1.0,
+        (float)(leftPosition + 33 * multiple) * m_outputHScale,
+        (float)(m_Height - iTextHeight + iFontSize));
+    if (matrix) {
+      affine_matrix1.Concat(*matrix);
+    }
+    device->DrawNormalText(iLen, pCharPos + 4, m_pFont,
+                           static_cast<float>(iFontSize), &affine_matrix1,
+                           m_fontColor, FXTEXT_CLEARTYPE);
+  }
+  FX_Free(pCharPos);
+}
+
+void CBC_OnedEAN8Writer::RenderResult(const CFX_WideStringC& contents,
+                                      uint8_t* code,
+                                      int32_t codeLength,
+                                      bool isDevice,
+                                      int32_t& e) {
+  CBC_OneDimWriter::RenderResult(contents, code, codeLength, isDevice, e);
+}