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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_qrcode.h"
#include "xfa/fxbarcode/BC_BinaryBitmap.h"
#include "xfa/fxbarcode/BC_BufferedImageLuminanceSource.h"
#include "xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h"
#include "xfa/fxbarcode/qrcode/BC_QRCodeReader.h"
#include "xfa/fxbarcode/qrcode/BC_QRCodeWriter.h"
CBC_QRCode::CBC_QRCode()
: CBC_CodeBase(new CBC_QRCodeReader, new CBC_QRCodeWriter) {
static_cast<CBC_QRCodeReader*>(m_pBCReader.get())->Init();
}
CBC_QRCode::~CBC_QRCode() {}
FX_BOOL CBC_QRCode::SetVersion(int32_t version) {
if (version < 0 || version > 40)
return FALSE;
return m_pBCWriter &&
static_cast<CBC_QRCodeWriter*>(m_pBCWriter.get())->SetVersion(version);
}
FX_BOOL CBC_QRCode::SetErrorCorrectionLevel(int32_t level) {
if (level < 0 || level > 3)
return FALSE;
return m_pBCWriter &&
static_cast<CBC_TwoDimWriter*>(m_pBCWriter.get())
->SetErrorCorrectionLevel(level);
}
FX_BOOL CBC_QRCode::Encode(const CFX_WideStringC& contents,
FX_BOOL isDevice,
int32_t& e) {
int32_t outWidth = 0;
int32_t outHeight = 0;
CBC_QRCodeWriter* pWriter = static_cast<CBC_QRCodeWriter*>(m_pBCWriter.get());
uint8_t* data = pWriter->Encode(CFX_WideString(contents),
pWriter->GetErrorCorrectionLevel(), outWidth,
outHeight, e);
BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
pWriter->RenderResult(data, outWidth, outHeight, e);
FX_Free(data);
BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
return TRUE;
}
FX_BOOL CBC_QRCode::RenderDevice(CFX_RenderDevice* device,
const CFX_Matrix* matrix,
int32_t& e) {
static_cast<CBC_TwoDimWriter*>(m_pBCWriter.get())
->RenderDeviceResult(device, matrix);
return TRUE;
}
FX_BOOL CBC_QRCode::RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e) {
static_cast<CBC_TwoDimWriter*>(m_pBCWriter.get())
->RenderBitmapResult(pOutBitmap, e);
BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
return TRUE;
}
BC_TYPE CBC_QRCode::GetType() {
return BC_QR_CODE;
}
CFX_WideString CBC_QRCode::Decode(uint8_t* buf,
int32_t width,
int32_t height,
int32_t& e) {
CFX_WideString str;
return str;
}
CFX_WideString CBC_QRCode::Decode(CFX_DIBitmap* pBitmap, int32_t& e) {
CBC_BufferedImageLuminanceSource source(pBitmap);
CBC_GlobalHistogramBinarizer binarizer(&source);
CBC_BinaryBitmap bitmap(&binarizer);
CFX_ByteString retStr = m_pBCReader->Decode(&bitmap, 0, e);
BC_EXCEPTION_CHECK_ReturnValue(e, CFX_WideString());
return CFX_WideString::FromUTF8(retStr.AsStringC());
}
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