fxbarcode/cbc_code128.cpp

// Copyright 2016 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
/*
 * Copyright 2011 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/cbc_code128.h"

#include "fxbarcode/oned/BC_OnedCode128Writer.h"

CBC_Code128::CBC_Code128(BC_TYPE type)
    : CBC_OneCode(new CBC_OnedCode128Writer(type)) {}

CBC_Code128::~CBC_Code128() {}

bool CBC_Code128::SetTextLocation(BC_TEXT_LOC location) {
  if (m_pBCWriter)
    return static_cast<CBC_OnedCode128Writer*>(m_pBCWriter.get())
        ->SetTextLocation(location);
  return false;
}

bool CBC_Code128::Encode(const CFX_WideStringC& contents,
                         bool isDevice,
                         int32_t& e) {
  if (contents.IsEmpty()) {
    e = BCExceptionNoContents;
    return false;
  }
  BCFORMAT format = BCFORMAT_CODE_128;
  int32_t outWidth = 0;
  int32_t outHeight = 0;
  CFX_WideString content(contents);
  if (contents.GetLength() % 2 &&
      static_cast<CBC_OnedCode128Writer*>(m_pBCWriter.get())->GetType() ==
          BC_CODE128_C) {
    content += '0';
  }
  CFX_WideString encodeContents =
      static_cast<CBC_OnedCode128Writer*>(m_pBCWriter.get())
          ->FilterContents(content.AsStringC());
  m_renderContents = encodeContents;
  CFX_ByteString byteString = encodeContents.UTF8Encode();
  uint8_t* data = static_cast<CBC_OnedCode128Writer*>(m_pBCWriter.get())
                      ->Encode(byteString, format, outWidth, outHeight, e);
  if (e != BCExceptionNO)
    return false;
  static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
      ->RenderResult(encodeContents.AsStringC(), data, outWidth, isDevice, e);
  FX_Free(data);
  if (e != BCExceptionNO)
    return false;
  return true;
}

bool CBC_Code128::RenderDevice(CFX_RenderDevice* device,
                               const CFX_Matrix* matrix,
                               int32_t& e) {
  static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
      ->RenderDeviceResult(device, matrix, m_renderContents.AsStringC(), e);
  if (e != BCExceptionNO)
    return false;
  return true;
}

bool CBC_Code128::RenderBitmap(CFX_RetainPtr<CFX_DIBitmap>& pOutBitmap,
                               int32_t& e) {
  static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
      ->RenderBitmapResult(pOutBitmap, m_renderContents.AsStringC(), e);
  return e == BCExceptionNO;
}

BC_TYPE CBC_Code128::GetType() {
  return BC_CODE128;
}