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CScannerList Class Reference

#include <profile.h>

Inheritance diagram for CScannerList:

CDeviceList List of all members.

Public Member Functions

 CScannerList ()
 ~CScannerList ()
virtual unsigned Count ()
virtual CString & DeviceName (unsigned u)
virtual CString & DisplayName (unsigned u)
virtual void Enumerate ()
virtual BOOL IsValidDeviceName (LPCTSTR lpstr)

Private Attributes

CStringArray m_csaDeviceNames
CStringArray m_csaDisplayNames

Constructor & Destructor Documentation

CScannerList::CScannerList (   )  [inline]
 

Definition at line 124 of file icmui/profile.h. 

00124 {}

CScannerList::~CScannerList (   )  [inline]
 

Definition at line 125 of file icmui/profile.h. 

00125 {}

Member Function Documentation

virtual unsigned CScannerList::Count (   )  [inline, virtual]
 

Reimplemented from CDeviceList.

Definition at line 127 of file icmui/profile.h.

References CStringArray::Count(), and m_csaDeviceNames.

Referenced by CICMUserInterface::AddScannerTab(), CAllDeviceList::Enumerate(), and IsValidDeviceName(). 

00127 { return m_csaDeviceNames.Count(); }

virtual CString& CScannerList::DeviceName (  unsigned  u  )  [inline, virtual]
 

Reimplemented from CDeviceList.

Definition at line 128 of file icmui/profile.h.

References DeviceName(), and m_csaDeviceNames.

Referenced by CICMUserInterface::AddScannerTab(), DeviceName(), and CAllDeviceList::Enumerate(). 

00128 { return m_csaDeviceNames[u]; }

virtual CString& CScannerList::DisplayName (  unsigned  u  )  [inline, virtual]
 

Reimplemented from CDeviceList.

Definition at line 129 of file icmui/profile.h.

References DisplayName(), and m_csaDisplayNames.

Referenced by DisplayName(), and CAllDeviceList::Enumerate(). 

00129 { return m_csaDisplayNames[u]; }

void CScannerList::Enumerate (   )  [virtual]
 

Reimplemented from CDeviceList.

Definition at line 240 of file profile.cpp.

References CStringArray::Add(), BOOL, DWORD, gszStiCreateInstance, gszStiDll, m_csaDeviceNames, m_csaDisplayNames, NULL, PFNSTICREATEINSTANCE, PSTI, PSTI_DEVICE_INFORMATION, _STI_DEVICE_INFORMATIONW::pszLocalName, STI_VERSION, _STI_DEVICE_INFORMATIONW::szDeviceInternalName, and szName.

Referenced by CICMUserInterface::AddScannerTab(), CAllDeviceList::Enumerate(), and IsValidDeviceName(). 

00240                                 {
00241 
00242     PFNSTICREATEINSTANCE    pStiCreateInstance;
00243     PSTI                    pSti = NULL;
00244     PSTI_DEVICE_INFORMATION pDevInfo;
00245     PVOID                   pBuffer = NULL;
00246     HINSTANCE               hModule;
00247     HRESULT                 hres;
00248     DWORD                   i, dwItemsReturned;
00249     #ifndef UNICODE
00250     char                    szName[256];
00251     #endif
00252 
00253     if (!(hModule = LoadLibrary(gszStiDll)))
00254     {
00255         _RPTF1(_CRT_WARN, "Error loading sti.dll: %d\n",
00256                GetLastError());
00257         return;
00258     }
00259 
00260     if (!(pStiCreateInstance = (PFNSTICREATEINSTANCE)GetProcAddress(hModule, gszStiCreateInstance)))
00261     {
00262         _RPTF0(_CRT_WARN, "Error getting proc StiCreateInstance\n");
00263         goto EndEnumerate;
00264     }
00265 
00266     hres = (*pStiCreateInstance)(GetModuleHandle(NULL), STI_VERSION, &pSti, NULL);
00267 
00268     if (FAILED(hres))
00269     {
00270         _RPTF1(_CRT_WARN, "Error creating sti instance: %d\n", hres);
00271         goto EndEnumerate;
00272     }
00273 
00274     hres = pSti->GetDeviceList(0, 0, &dwItemsReturned, &pBuffer);
00275 
00276     if (FAILED(hres) || !pBuffer)
00277     {
00278         _RPTF0(_CRT_WARN, "Error getting scanner devices\n");
00279         goto EndEnumerate;
00280     }
00281 
00282     pDevInfo = (PSTI_DEVICE_INFORMATION) pBuffer;
00283 
00284     for (i=0; i<dwItemsReturned; i++, pDevInfo++)
00285     {
00286         #ifndef UNICODE
00287         DWORD dwLen;                    // length of Ansi string
00288         BOOL  bUsedDefaultChar;
00289 
00290         dwLen = (lstrlenW(pDevInfo->pszLocalName) + 1) * sizeof(char);
00291 
00292         //
00293         // Convert Unicode name to Ansi
00294         //
00295         if (WideCharToMultiByte(CP_ACP, 0, pDevInfo->szDeviceInternalName, -1, szName,
00296               dwLen, NULL, &bUsedDefaultChar) && ! bUsedDefaultChar)
00297         {
00298             m_csaDeviceNames.Add(szName);
00299         }
00300         else
00301         {
00302             _RPTF0(_CRT_WARN, "Error converting internalName to Unicode name\n");
00303         }
00304 
00305         if (WideCharToMultiByte(CP_ACP, 0, pDevInfo->pszLocalName, -1, szName,
00306               dwLen, NULL, &bUsedDefaultChar) && ! bUsedDefaultChar)
00307         {
00308             m_csaDisplayNames.Add(szName);
00309         }
00310         else
00311         {
00312             _RPTF0(_CRT_WARN, "Error converting deviceName to Unicode name\n");
00313         }
00314 
00315         #else
00316         m_csaDeviceNames.Add(pDevInfo->szDeviceInternalName);
00317         m_csaDisplayNames.Add(pDevInfo->pszLocalName);
00318         #endif
00319     }
00320 
00321 EndEnumerate:
00322     if (pBuffer)
00323     {
00324         LocalFree(pBuffer);
00325     }
00326 
00327     if (pSti)
00328     {
00329         pSti->Release();
00330     }
00331 
00332     if (hModule)
00333     {
00334         FreeLibrary(hModule);
00335     }
00336 
00337     return;
00338 }

BOOL CScannerList::IsValidDeviceName (  LPCTSTR  lpstr  )  [virtual]
 

Reimplemented from CDeviceList.

Definition at line 342 of file profile.cpp.

References BOOL, Count(), Enumerate(), FALSE, IsValidDeviceName(), and m_csaDeviceNames.

Referenced by IsValidDeviceName(). 

00342                                                         {
00343 
00344     if  (!lpstrRef) return  FALSE;
00345 
00346     if  (!Count())
00347         Enumerate();
00348 
00349     for (unsigned u = 0; u < Count(); u++)
00350         if  (!lstrcmpi(m_csaDeviceNames[u], lpstrRef))
00351             break;
00352 
00353     return  u < Count();
00354 }

Member Data Documentation

CStringArray CScannerList::m_csaDeviceNames [private]
 

Definition at line 120 of file icmui/profile.h.

Referenced by Count(), DeviceName(), Enumerate(), and IsValidDeviceName().

CStringArray CScannerList::m_csaDisplayNames [private]
 

Definition at line 121 of file icmui/profile.h.

Referenced by DisplayName(), and Enumerate().

The documentation for this class was generated from the following files:
Generated on Sat May 15 19:46:28 2004 for test by doxygen 1.3.7