www.pudn.com > NeroSDK-v1.05.zip > dlg_WavSettings.cpp

/****************************************************************************** 
|* THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF 
|* ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO 
|* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A 
|* PARTICULAR PURPOSE. 
|*  
|* Copyright 1995-2004 Ahead Software AG. All Rights Reserved. 
|*----------------------------------------------------------------------------- 
|* PROJECT: Nero Plugin Manager Example 
|* 
|* FILE: dlg_WavSettings.cpp 
|* 
|* PURPOSE: Implementation of the target item settings editor dialog. 
******************************************************************************/ 
 
 
#include "stdafx.h" 
#include "dlg_WavSettings.h" 
#include "AudioPluginEnv.h" 
 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
extern IAudioPluginMgr* g_pPluginMgr; 
 
// This class doesn't have a default constructor, it must be initialized 
// by this one, it receives an array of item handles, font and the language. 
CWavSettingsDlg::CWavSettingsDlg(SWavFormat** parItems, int iItemNum) 
: CDialog(CWavSettingsDlg::IDD, NULL), 
  m_parItems    (parItems), 
  m_iItemNumber (iItemNum), 
  m_pTranslator (NULL) 
{ 
  //{{AFX_DATA_INIT(CWavSettingsDlg) 
  m_iChannels = -1; 
  m_iSampleSize = -1; 
  m_csFreq = _T(""); 
  //}}AFX_DATA_INIT 
} 
 
void CWavSettingsDlg::DoDataExchange(CDataExchange* pDX) 
{ 
  CDialog::DoDataExchange(pDX); 
  //{{AFX_DATA_MAP(CWavSettingsDlg) 
  DDX_Control(pDX, IDCOMBO_FREQ, m_comboFreq); 
  DDX_Control(pDX, IDCOMBO_SAMPLE_SIZE, m_comboSampleSize); 
  DDX_Control(pDX, IDCOMBO_CHANNELS, m_comboChannels); 
  DDX_CBIndex(pDX, IDCOMBO_CHANNELS, m_iChannels); 
  DDX_CBIndex(pDX, IDCOMBO_SAMPLE_SIZE, m_iSampleSize); 
  DDX_CBString(pDX, IDCOMBO_FREQ, m_csFreq); 
  //}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CWavSettingsDlg, CDialog) 
  //{{AFX_MSG_MAP(CWavSettingsDlg) 
  ON_WM_DESTROY() 
  //}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
// Merges up the fields from received items and initializes controls. 
BOOL CWavSettingsDlg::OnInitDialog()  
{ 
  CDialog::OnInitDialog(); 
 
  if(!(m_parItems && m_iItemNumber)) 
  { 
    ASSERT(FALSE); 
 
    EndDialog(IDCANCEL); 
 
    return TRUE; 
  } 
 
  SWavFormat mi; 
  memset(&mi, 0xff, sizeof(SWavFormat)); 
 
  // Finding equal and different fields in 
  // items received. Fields which are different 
  // in mi will have value of MUL_VAL 
 
  for(int iCurField = 0; iCurField < (sizeof(SWavFormat) / sizeof(DWORD)); 
    iCurField++) 
  { 
    DWORD dwCurValue = MUL_VAL; 
 
    for(int iCurItem = 0; iCurItem < m_iItemNumber; iCurItem++) 
    { 
      DWORD* pItem = (DWORD*)m_parItems[iCurItem]; 
 
      if(pItem) 
      { 
        DWORD dwCurItemField = pItem[iCurField]; 
 
        if (dwCurValue == MUL_VAL) 
          dwCurValue = dwCurItemField; 
        else 
        { 
          if (dwCurValue != dwCurItemField) 
            break; 
        } 
      } 
      else 
      { 
        ASSERT(FALSE); 
      } 
    } 
 
    // all the items have the same value 
    if (iCurItem == m_iItemNumber)   
      ((DWORD*)&mi)[iCurField] = dwCurValue; 
  } 
                       
  // Initializing controls from mi 
  // Filling the frequency combo 
 
  int iarSampleRates[]  = 
  { 
    6000, 8000, 11025,  12000,  16000,  22050, 
    32000,  32075,  36000,  44100,  48000 
  }; 
 
  for(int i = 0; i < sizeof(iarSampleRates) / sizeof(int); i++) 
  { 
    int iValue = iarSampleRates[i]; 
 
    CString csTemp; 
    csTemp.Format("%d", iValue); 
 
    m_comboFreq.SetItemData(m_comboFreq.AddString(csTemp), iValue); 
  } 
 
  if(mi.m_iSamplesPerSecond != MUL_VAL) 
    m_csFreq.Format("%d", mi.m_iSamplesPerSecond); 
 
  int iarSampleSizes[] = 
  { 
    BITS_PER_BYTE, 
    BITS_PER_WORD, 
    BITS_PER_3BYTE, 
    BITS_PER_DWORD 
  }; 
 
  for(i = 0; i < sizeof(iarSampleSizes) / sizeof(int); i++) 
  { 
    m_comboSampleSize.SetItemData(i, iarSampleSizes[i]); 
 
    if(mi.m_iBitsPerSample == iarSampleSizes[i]) 
      m_iSampleSize = i; 
  } 
 
  int iarChannelsNumber[] = 
  { 
    1, 
    2 
  }; 
 
  for(i = 0; i < sizeof(iarChannelsNumber) / sizeof(int); i++) 
  { 
    m_comboChannels.SetItemData(i, iarChannelsNumber[i]); 
 
    if (mi.m_iChannels == iarChannelsNumber[i]) 
      m_iChannels = i; 
  } 
 
  UpdateData(FALSE); 
 
  CComQIPtr pLang = g_pPluginMgr; 
 
  ASSERT(pLang); 
  if(pLang) 
  { 
    m_pTranslator = CreateTranslator(IDR_PLUGIN_NLSDATA, 
                      pLang->GetLanguage()); 
    m_pTranslator->TranslateWindow(m_hWnd); 
  } 
 
  return TRUE; 
} 
 
// Stores settings from controls in items and closes the dialog 
void CWavSettingsDlg::OnOK()  
{ 
  UpdateData(TRUE); 
 
  DWORD dwarDataFromScr[sizeof(SWavFormat) / sizeof(DWORD)] = 
  { 
    m_csFreq.IsEmpty()? MUL_VAL: atoi(m_csFreq), 
    m_comboSampleSize.GetItemData(m_iSampleSize), 
    m_comboChannels.GetItemData(m_iChannels) 
  }; 
 
  for(int iCurItem = 0; iCurItem < m_iItemNumber; iCurItem++) 
  { 
    DWORD* pItem = (DWORD*)m_parItems[iCurItem]; 
 
    for(int iField = 0, iFieldNum = sizeof(SWavFormat) / sizeof(DWORD); 
      iField < iFieldNum; iField++) 
    { 
      DWORD dwField = dwarDataFromScr[iField]; 
 
      if(dwField != MUL_VAL) 
        pItem[iField] = dwField; 
    } 
  } 
 
  CDialog::OnOK(); 
} 
 
// Destroys the translator after the dialog has been closed 
void CWavSettingsDlg::OnDestroy()  
{ 
  CDialog::OnDestroy(); 
  DestroyTranslator(m_pTranslator); 
}