xfa/src/fwl/src/basewidget/fwl_barcodeimp.cpp

// Copyright 2014 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

#include "../../../foxitlib.h"
#include "../core/include/fwl_targetimp.h"
#include "../core/include/fwl_noteimp.h"
#include "../core/include/fwl_widgetimp.h"
#include "include/fwl_editimp.h"
#include "include/fwl_barcodeimp.h"
IFWL_Barcode* IFWL_Barcode::Create() {
  return new IFWL_Barcode;
}
IFWL_Barcode::IFWL_Barcode() {
  m_pData = NULL;
}
IFWL_Barcode::~IFWL_Barcode() {
  if (m_pData) {
    delete (CFWL_BarcodeImp*)m_pData;
    m_pData = NULL;
  }
}
FWL_ERR IFWL_Barcode::Initialize(IFWL_Widget* pOuter) {
  m_pData = new CFWL_BarcodeImp(pOuter);
  ((CFWL_BarcodeImp*)m_pData)->SetInterface(this);
  return ((CFWL_BarcodeImp*)m_pData)->Initialize();
}
FWL_ERR IFWL_Barcode::Initialize(const CFWL_WidgetImpProperties& properties,
                                 IFWL_Widget* pOuter) {
  m_pData = new CFWL_BarcodeImp(properties, pOuter);
  ((CFWL_BarcodeImp*)m_pData)->SetInterface(this);
  return ((CFWL_BarcodeImp*)m_pData)->Initialize();
}
void IFWL_Barcode::SetType(BC_TYPE type) {
  ((CFWL_BarcodeImp*)m_pData)->SetType(type);
}
FX_BOOL IFWL_Barcode::IsProtectedType() {
  return ((CFWL_BarcodeImp*)m_pData)->IsProtectedType();
}
CFWL_BarcodeImp::CFWL_BarcodeImp(IFWL_Widget* pOuter)
    : CFWL_EditImp(pOuter),
      m_pBarcodeEngine(NULL),
      m_dwStatus(0),
      m_type(BC_UNKNOWN) {}
CFWL_BarcodeImp::CFWL_BarcodeImp(const CFWL_WidgetImpProperties& properties,
                                 IFWL_Widget* pOuter)
    : CFWL_EditImp(properties, pOuter),
      m_pBarcodeEngine(NULL),
      m_dwStatus(0),
      m_type(BC_UNKNOWN) {}
CFWL_BarcodeImp::~CFWL_BarcodeImp() {
  ReleaseBarcodeEngine();
}
FWL_ERR CFWL_BarcodeImp::GetClassName(CFX_WideString& wsClass) const {
  wsClass = FWL_CLASS_Barcode;
  return FWL_ERR_Succeeded;
}
FX_DWORD CFWL_BarcodeImp::GetClassID() const {
  return FWL_CLASSHASH_Barcode;
}
FWL_ERR CFWL_BarcodeImp::Initialize() {
  if (!m_pDelegate) {
    m_pDelegate = (IFWL_WidgetDelegate*)new CFWL_BarcodeImpDelegate(this);
  }
  _FWL_ERR_CHECK_RETURN_VALUE_IF_FAIL(CFWL_EditImp::Initialize(),
                                      FWL_ERR_Indefinite);
  return FWL_ERR_Succeeded;
}
FWL_ERR CFWL_BarcodeImp::Finalize() {
  if (m_pDelegate) {
    delete (CFWL_BarcodeImpDelegate*)m_pDelegate;
    m_pDelegate = NULL;
  }
  ReleaseBarcodeEngine();
  return CFWL_EditImp::Finalize();
}
FWL_ERR CFWL_BarcodeImp::Update() {
  if (IsLocked()) {
    return FWL_ERR_Indefinite;
  }
  FWL_ERR ret = CFWL_EditImp::Update();
  GenerateBarcodeImageCache();
  return ret;
}
FWL_ERR CFWL_BarcodeImp::DrawWidget(CFX_Graphics* pGraphics,
                                    const CFX_Matrix* pMatrix) {
  _FWL_RETURN_VALUE_IF_FAIL(pGraphics, FWL_ERR_Indefinite);
  _FWL_RETURN_VALUE_IF_FAIL(m_pProperties->m_pThemeProvider,
                            FWL_ERR_Indefinite);
  if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
    GenerateBarcodeImageCache();
    if (!m_pBarcodeEngine || (m_dwStatus & XFA_BCS_EncodeSuccess) == 0) {
      return FWL_ERR_Succeeded;
    }
    CFX_Matrix mt;
    mt.e = m_rtClient.left;
    mt.f = m_rtClient.top;
    if (pMatrix) {
      mt.Concat(*pMatrix);
    }
    int32_t errorCode = 0;
    _FWL_RETURN_VALUE_IF_FAIL(
        m_pBarcodeEngine->RenderDevice(pGraphics->GetRenderDevice(), pMatrix,
                                       errorCode),
        FWL_ERR_Indefinite);
    return FWL_ERR_Succeeded;
  }
  return CFWL_EditImp::DrawWidget(pGraphics, pMatrix);
}
void CFWL_BarcodeImp::GenerateBarcodeImageCache() {
  if ((m_dwStatus & XFA_BCS_NeedUpdate) == 0) {
    return;
  }
  m_dwStatus = 0;
  ;
  CreateBarcodeEngine();
  IFWL_BarcodeDP* pData = (IFWL_BarcodeDP*)m_pProperties->m_pDataProvider;
  _FWL_RETURN_IF_FAIL(pData);
  _FWL_RETURN_IF_FAIL(m_pBarcodeEngine);
  CFX_WideString wsText;
  _FWL_RETURN_IF_FAIL(GetText(wsText) == FWL_ERR_Succeeded);
  CFWL_ThemePart part;
  part.m_pWidget = m_pInterface;
  IFWL_ThemeProvider* pTheme = GetAvailableTheme();
  IFX_Font* pFont = (IFX_Font*)pTheme->GetCapacity(&part, FWL_WGTCAPACITY_Font);
  CFX_Font* pCXFont = (CFX_Font*)(pFont ? pFont->GetDevFont() : NULL);
  if (pCXFont) {
    m_pBarcodeEngine->SetFont(pCXFont);
  }
  FX_FLOAT* pFontSize =
      (FX_FLOAT*)pTheme->GetCapacity(&part, FWL_WGTCAPACITY_FontSize);
  if (pFontSize) {
    m_pBarcodeEngine->SetFontSize(*pFontSize);
  }
  FX_ARGB* pFontColor =
      (FX_ARGB*)pTheme->GetCapacity(&part, FWL_WGTCAPACITY_TextColor);
  if (pFontColor) {
    m_pBarcodeEngine->SetFontColor(*pFontColor);
  }
  m_pBarcodeEngine->SetHeight(int32_t(m_rtClient.height));
  m_pBarcodeEngine->SetWidth(int32_t(m_rtClient.width));
  FX_DWORD dwAttributeMask = pData->GetBarcodeAttributeMask();
  if (dwAttributeMask & FWL_BCDATTRIBUTE_CHARENCODING) {
    m_pBarcodeEngine->SetCharEncoding(pData->GetCharEncoding());
  }
  if (dwAttributeMask & FWL_BCDATTRIBUTE_MODULEHEIGHT) {
    m_pBarcodeEngine->SetModuleHeight(pData->GetModuleHeight());
  }
  if (dwAttributeMask & FWL_BCDATTRIBUTE_MODULEWIDTH) {
    m_pBarcodeEngine->SetModuleWidth(pData->GetModuleWidth());
  }
  if (dwAttributeMask & FWL_BCDATTRIBUTE_DATALENGTH) {
    m_pBarcodeEngine->SetDataLength(pData->GetDataLength());
  }
  if (dwAttributeMask & FWL_BCDATTRIBUTE_CALCHECKSUM) {
    m_pBarcodeEngine->SetCalChecksum(pData->GetCalChecksum());
  }
  if (dwAttributeMask & FWL_BCDATTRIBUTE_PRINTCHECKSUM) {
    m_pBarcodeEngine->SetPrintChecksum(pData->GetPrintChecksum());
  }
  if (dwAttributeMask & FWL_BCDATTRIBUTE_TEXTLOCATION) {
    m_pBarcodeEngine->SetTextLocation(pData->GetTextLocation());
  }
  if (dwAttributeMask & FWL_BCDATTRIBUTE_WIDENARROWRATIO) {
    m_pBarcodeEngine->SetWideNarrowRatio(pData->GetWideNarrowRatio());
  }
  if (dwAttributeMask & FWL_BCDATTRIBUTE_STARTCHAR) {
    m_pBarcodeEngine->SetStartChar(pData->GetStartChar());
  }
  if (dwAttributeMask & FWL_BCDATTRIBUTE_ENDCHAR) {
    m_pBarcodeEngine->SetEndChar(pData->GetEndChar());
  }
  if (dwAttributeMask & FWL_BCDATTRIBUTE_VERSION) {
    m_pBarcodeEngine->SetVersion(pData->GetVersion());
  }
  if (dwAttributeMask & FWL_BCDATTRIBUTE_ECLEVEL) {
    m_pBarcodeEngine->SetErrorCorrectionLevel(pData->GetErrorCorrectionLevel());
  }
  if (dwAttributeMask & FWL_BCDATTRIBUTE_TRUNCATED) {
    m_pBarcodeEngine->SetTruncated(pData->GetTruncated());
  }
  int32_t errorCode = 0;
  m_dwStatus = m_pBarcodeEngine->Encode(wsText, TRUE, errorCode)
                   ? XFA_BCS_EncodeSuccess
                   : 0;
}
void CFWL_BarcodeImp::CreateBarcodeEngine() {
  if ((m_pBarcodeEngine == NULL) && (m_type != BC_UNKNOWN)) {
    m_pBarcodeEngine = FX_Barcode_Create(m_type);
  }
}
void CFWL_BarcodeImp::ReleaseBarcodeEngine() {
  if (m_pBarcodeEngine) {
    m_pBarcodeEngine->Release();
    m_pBarcodeEngine = NULL;
  }
}
void CFWL_BarcodeImp::SetType(BC_TYPE type) {
  if (m_type == type) {
    return;
  }
  ReleaseBarcodeEngine();
  m_type = type;
  m_dwStatus = XFA_BCS_NeedUpdate;
}
FWL_ERR CFWL_BarcodeImp::SetText(const CFX_WideString& wsText) {
  ReleaseBarcodeEngine();
  m_dwStatus = XFA_BCS_NeedUpdate;
  return CFWL_EditImp::SetText(wsText);
}
FX_BOOL CFWL_BarcodeImp::IsProtectedType() {
  if (!m_pBarcodeEngine) {
    return TRUE;
  }
  BC_TYPE tEngineType = m_pBarcodeEngine->GetType();
  if (tEngineType == BC_QR_CODE || tEngineType == BC_PDF417 ||
      tEngineType == BC_DATAMATRIX) {
    return TRUE;
  }
  return FALSE;
}
CFWL_BarcodeImpDelegate::CFWL_BarcodeImpDelegate(CFWL_BarcodeImp* pOwner)
    : CFWL_EditImpDelegate(pOwner) {}
FWL_ERR CFWL_BarcodeImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
  FX_DWORD dwFlag = pEvent->GetClassID();
  if (dwFlag == FWL_EVTHASH_EDT_TextChanged) {
    CFWL_BarcodeImp* pOwner = (CFWL_BarcodeImp*)m_pOwner;
    pOwner->ReleaseBarcodeEngine();
    pOwner->m_dwStatus = XFA_BCS_NeedUpdate;
  }
  return CFWL_EditImpDelegate::OnProcessEvent(pEvent);
}