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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 "xfa/fxbarcode/cbc_qrcode.h" |
| 23 |
| 24 #include "xfa/fxbarcode/BC_BinaryBitmap.h" |
| 25 #include "xfa/fxbarcode/BC_BufferedImageLuminanceSource.h" |
| 26 #include "xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h" |
| 27 #include "xfa/fxbarcode/qrcode/BC_QRCodeReader.h" |
| 28 #include "xfa/fxbarcode/qrcode/BC_QRCodeWriter.h" |
| 29 |
| 30 CBC_QRCode::CBC_QRCode() { |
| 31 m_pBCReader = (CBC_Reader*)new (CBC_QRCodeReader); |
| 32 ((CBC_QRCodeReader*)m_pBCReader)->Init(); |
| 33 m_pBCWriter = (CBC_Writer*)new (CBC_QRCodeWriter); |
| 34 } |
| 35 |
| 36 CBC_QRCode::~CBC_QRCode() { |
| 37 delete (m_pBCReader); |
| 38 delete (m_pBCWriter); |
| 39 } |
| 40 |
| 41 FX_BOOL CBC_QRCode::SetVersion(int32_t version) { |
| 42 if (version < 0 || version > 40) |
| 43 return FALSE; |
| 44 if (!m_pBCWriter) |
| 45 return FALSE; |
| 46 return ((CBC_QRCodeWriter*)m_pBCWriter)->SetVersion(version); |
| 47 } |
| 48 |
| 49 FX_BOOL CBC_QRCode::SetErrorCorrectionLevel(int32_t level) { |
| 50 if (level < 0 || level > 3) |
| 51 return FALSE; |
| 52 if (!m_pBCWriter) |
| 53 return FALSE; |
| 54 return ((CBC_TwoDimWriter*)m_pBCWriter)->SetErrorCorrectionLevel(level); |
| 55 } |
| 56 |
| 57 FX_BOOL CBC_QRCode::Encode(const CFX_WideStringC& contents, |
| 58 FX_BOOL isDevice, |
| 59 int32_t& e) { |
| 60 int32_t outWidth = 0; |
| 61 int32_t outHeight = 0; |
| 62 uint8_t* data = ((CBC_QRCodeWriter*)m_pBCWriter) |
| 63 ->Encode(contents, ((CBC_QRCodeWriter*)m_pBCWriter) |
| 64 ->GetErrorCorrectionLevel(), |
| 65 outWidth, outHeight, e); |
| 66 BC_EXCEPTION_CHECK_ReturnValue(e, FALSE); |
| 67 ((CBC_TwoDimWriter*)m_pBCWriter)->RenderResult(data, outWidth, outHeight, e); |
| 68 FX_Free(data); |
| 69 BC_EXCEPTION_CHECK_ReturnValue(e, FALSE); |
| 70 return TRUE; |
| 71 } |
| 72 |
| 73 FX_BOOL CBC_QRCode::RenderDevice(CFX_RenderDevice* device, |
| 74 const CFX_Matrix* matirx, |
| 75 int32_t& e) { |
| 76 ((CBC_TwoDimWriter*)m_pBCWriter)->RenderDeviceResult(device, matirx); |
| 77 return TRUE; |
| 78 } |
| 79 |
| 80 FX_BOOL CBC_QRCode::RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e) { |
| 81 ((CBC_TwoDimWriter*)m_pBCWriter)->RenderBitmapResult(pOutBitmap, e); |
| 82 BC_EXCEPTION_CHECK_ReturnValue(e, FALSE); |
| 83 return TRUE; |
| 84 } |
| 85 |
| 86 CFX_WideString CBC_QRCode::Decode(uint8_t* buf, |
| 87 int32_t width, |
| 88 int32_t hight, |
| 89 int32_t& e) { |
| 90 CFX_WideString str; |
| 91 return str; |
| 92 } |
| 93 |
| 94 CFX_WideString CBC_QRCode::Decode(CFX_DIBitmap* pBitmap, int32_t& e) { |
| 95 CBC_BufferedImageLuminanceSource source(pBitmap); |
| 96 CBC_GlobalHistogramBinarizer binarizer(&source); |
| 97 CBC_BinaryBitmap bitmap(&binarizer); |
| 98 CFX_ByteString retStr = m_pBCReader->Decode(&bitmap, 0, e); |
| 99 BC_EXCEPTION_CHECK_ReturnValue(e, FX_WSTRC(L"")); |
| 100 return CFX_WideString::FromUTF8(retStr, retStr.GetLength()); |
| 101 } |
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