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99 lines
3.2 KiB
99 lines
3.2 KiB
// Copyright 2016 PDFium Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style license that can be |
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// found in the LICENSE file. |
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
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/* |
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* Copyright 2011 ZXing authors |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#include "xfa/fxbarcode/cbc_upca.h" |
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#include "xfa/fxbarcode/oned/BC_OnedUPCAWriter.h" |
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CBC_UPCA::CBC_UPCA() : CBC_OneCode(new CBC_OnedUPCAWriter) {} |
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CBC_UPCA::~CBC_UPCA() {} |
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CFX_WideString CBC_UPCA::Preprocess(const CFX_WideStringC& contents) { |
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CBC_OnedUPCAWriter* pWriter = |
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static_cast<CBC_OnedUPCAWriter*>(m_pBCWriter.get()); |
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CFX_WideString encodeContents = pWriter->FilterContents(contents); |
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int32_t length = encodeContents.GetLength(); |
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if (length <= 11) { |
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for (int32_t i = 0; i < 11 - length; i++) |
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encodeContents = FX_WCHAR('0') + encodeContents; |
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CFX_ByteString byteString = encodeContents.UTF8Encode(); |
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int32_t checksum = pWriter->CalcChecksum(byteString); |
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byteString += checksum - 0 + '0'; |
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encodeContents = byteString.UTF8Decode(); |
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} |
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if (length > 12) |
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encodeContents = encodeContents.Mid(0, 12); |
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return encodeContents; |
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} |
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bool CBC_UPCA::Encode(const CFX_WideStringC& contents, |
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bool isDevice, |
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int32_t& e) { |
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if (contents.IsEmpty()) { |
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e = BCExceptionNoContents; |
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return false; |
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} |
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BCFORMAT format = BCFORMAT_UPC_A; |
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int32_t outWidth = 0; |
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int32_t outHeight = 0; |
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CFX_WideString encodeContents = Preprocess(contents); |
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CFX_ByteString byteString = encodeContents.UTF8Encode(); |
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m_renderContents = encodeContents; |
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CBC_OnedUPCAWriter* pWriter = |
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static_cast<CBC_OnedUPCAWriter*>(m_pBCWriter.get()); |
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pWriter->Init(); |
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uint8_t* data = pWriter->Encode(byteString, format, outWidth, outHeight, e); |
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if (e != BCExceptionNO) |
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return false; |
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pWriter->RenderResult(encodeContents.AsStringC(), data, outWidth, isDevice, |
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e); |
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FX_Free(data); |
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if (e != BCExceptionNO) |
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return false; |
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return true; |
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} |
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bool CBC_UPCA::RenderDevice(CFX_RenderDevice* device, |
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const CFX_Matrix* matrix, |
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int32_t& e) { |
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static_cast<CBC_OneDimWriter*>(m_pBCWriter.get()) |
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->RenderDeviceResult(device, matrix, m_renderContents.AsStringC(), e); |
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if (e != BCExceptionNO) |
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return false; |
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return true; |
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} |
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bool CBC_UPCA::RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e) { |
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static_cast<CBC_OneDimWriter*>(m_pBCWriter.get()) |
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->RenderBitmapResult(pOutBitmap, m_renderContents.AsStringC(), e); |
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if (e != BCExceptionNO) |
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return false; |
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return true; |
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} |
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BC_TYPE CBC_UPCA::GetType() { |
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return BC_UPCA; |
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}
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