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      1 // Copyright 2016 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 /*
      7  * Copyright 2011 ZXing authors
      8  *
      9  * Licensed under the Apache License, Version 2.0 (the "License");
     10  * you may not use this file except in compliance with the License.
     11  * You may obtain a copy of the License at
     12  *
     13  *      http://www.apache.org/licenses/LICENSE-2.0
     14  *
     15  * Unless required by applicable law or agreed to in writing, software
     16  * distributed under the License is distributed on an "AS IS" BASIS,
     17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     18  * See the License for the specific language governing permissions and
     19  * limitations under the License.
     20  */
     21 
     22 #include "fxbarcode/cbc_codabar.h"
     23 
     24 #include <memory>
     25 
     26 #include "fxbarcode/oned/BC_OnedCodaBarWriter.h"
     27 #include "third_party/base/ptr_util.h"
     28 
     29 CBC_Codabar::CBC_Codabar()
     30     : CBC_OneCode(pdfium::MakeUnique<CBC_OnedCodaBarWriter>()) {}
     31 
     32 CBC_Codabar::~CBC_Codabar() {}
     33 
     34 bool CBC_Codabar::SetStartChar(char start) {
     35   return GetOnedCodaBarWriter()->SetStartChar(start);
     36 }
     37 
     38 bool CBC_Codabar::SetEndChar(char end) {
     39   return GetOnedCodaBarWriter()->SetEndChar(end);
     40 }
     41 
     42 bool CBC_Codabar::SetTextLocation(BC_TEXT_LOC location) {
     43   return GetOnedCodaBarWriter()->SetTextLocation(location);
     44 }
     45 
     46 bool CBC_Codabar::SetWideNarrowRatio(int8_t ratio) {
     47   return GetOnedCodaBarWriter()->SetWideNarrowRatio(ratio);
     48 }
     49 
     50 bool CBC_Codabar::Encode(const WideStringView& contents) {
     51   if (contents.IsEmpty())
     52     return false;
     53 
     54   BCFORMAT format = BCFORMAT_CODABAR;
     55   int32_t outWidth = 0;
     56   int32_t outHeight = 0;
     57   WideString filtercontents = GetOnedCodaBarWriter()->FilterContents(contents);
     58   ByteString byteString = filtercontents.UTF8Encode();
     59   m_renderContents = filtercontents;
     60   auto* pWriter = GetOnedCodaBarWriter();
     61   std::unique_ptr<uint8_t, FxFreeDeleter> data(
     62       pWriter->Encode(byteString, format, outWidth, outHeight));
     63   if (!data)
     64     return false;
     65 
     66   return pWriter->RenderResult(filtercontents.AsStringView(), data.get(),
     67                                outWidth);
     68 }
     69 
     70 bool CBC_Codabar::RenderDevice(CFX_RenderDevice* device,
     71                                const CFX_Matrix* matrix) {
     72   auto* pWriter = GetOnedCodaBarWriter();
     73   WideString renderCon =
     74       pWriter->encodedContents(m_renderContents.AsStringView());
     75   return pWriter->RenderDeviceResult(device, matrix, renderCon.AsStringView());
     76 }
     77 
     78 BC_TYPE CBC_Codabar::GetType() {
     79   return BC_CODABAR;
     80 }
     81 
     82 CBC_OnedCodaBarWriter* CBC_Codabar::GetOnedCodaBarWriter() {
     83   return static_cast<CBC_OnedCodaBarWriter*>(m_pBCWriter.get());
     84 }
     85