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// 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 "xfa/fxbarcode/cbc_ean13.h"
#include "xfa/fxbarcode/BC_BinaryBitmap.h"
#include "xfa/fxbarcode/BC_BufferedImageLuminanceSource.h"
#include "xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h"
#include "xfa/fxbarcode/oned/BC_OnedEAN13Reader.h"
#include "xfa/fxbarcode/oned/BC_OnedEAN13Writer.h"
CBC_EAN13::CBC_EAN13()
: CBC_OneCode(new CBC_OnedEAN13Reader, new CBC_OnedEAN13Writer) {}
CBC_EAN13::~CBC_EAN13() {}
CFX_WideString CBC_EAN13::Preprocess(const CFX_WideStringC& contents) {
CFX_WideString encodeContents =
static_cast<CBC_OnedEAN13Writer*>(m_pBCWriter.get())
->FilterContents(contents);
int32_t length = encodeContents.GetLength();
if (length <= 12) {
for (int32_t i = 0; i < 12 - length; i++)
encodeContents = FX_WCHAR('0') + encodeContents;
CFX_ByteString byteString = encodeContents.UTF8Encode();
int32_t checksum = static_cast<CBC_OnedEAN13Writer*>(m_pBCWriter.get())
->CalcChecksum(byteString);
byteString += checksum - 0 + '0';
encodeContents = byteString.UTF8Decode();
}
if (length > 13)
encodeContents = encodeContents.Mid(0, 13);
return encodeContents;
}
FX_BOOL CBC_EAN13::Encode(const CFX_WideStringC& contents,
FX_BOOL isDevice,
int32_t& e) {
if (contents.IsEmpty()) {
e = BCExceptionNoContents;
return FALSE;
}
BCFORMAT format = BCFORMAT_EAN_13;
int32_t outWidth = 0;
int32_t outHeight = 0;
CFX_WideString encodeContents = Preprocess(contents);
CFX_ByteString byteString = encodeContents.UTF8Encode();
m_renderContents = encodeContents;
uint8_t* data = static_cast<CBC_OnedEAN13Writer*>(m_pBCWriter.get())
->Encode(byteString, format, outWidth, outHeight, e);
BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
->RenderResult(encodeContents.AsStringC(), data, outWidth, isDevice, e);
FX_Free(data);
BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
return TRUE;
}
FX_BOOL CBC_EAN13::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);
BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
return TRUE;
}
FX_BOOL CBC_EAN13::RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e) {
static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
->RenderBitmapResult(pOutBitmap, m_renderContents.AsStringC(), e);
BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
return TRUE;
}
CFX_WideString CBC_EAN13::Decode(uint8_t* buf,
int32_t width,
int32_t height,
int32_t& e) {
CFX_WideString str;
return str;
}
CFX_WideString CBC_EAN13::Decode(CFX_DIBitmap* pBitmap, int32_t& e) {
CBC_BufferedImageLuminanceSource source(pBitmap);
CBC_GlobalHistogramBinarizer binarizer(&source);
CBC_BinaryBitmap bitmap(&binarizer);
CFX_ByteString str = m_pBCReader->Decode(&bitmap, 0, e);
BC_EXCEPTION_CHECK_ReturnValue(e, CFX_WideString());
return CFX_WideString::FromUTF8(str.AsStringC());
}
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