win32ss/gdi/gdi32/objects/eng.c

   1 /*
   2  * reactos/lib/gdi32/misc/eng.c
   3  *
   4  * GDI32.DLL eng part
   5  *
   6  *
   7  */
   8
   9 #include <precomp.h>
  10
  11 /*
  12  * @implemented
  13  */
  14 VOID
  15 WINAPI
  16 EngAcquireSemaphore ( IN HSEMAPHORE hsem )
  17 {
  18     RtlEnterCriticalSection((PRTL_CRITICAL_SECTION)hsem);
  19 }
  20
  21
  22 /*
  23  * @unimplemented
  24  */
  25 BOOL
  26 copy_my_glyphset( FD_GLYPHSET *dst_glyphset , FD_GLYPHSET * src_glyphset, ULONG Size)
  27 {
  28     BOOL retValue = FALSE;
  29
  30     memcpy(src_glyphset, dst_glyphset, Size);
  31     if (src_glyphset->cRuns == 0)
  32     {
  33         retValue = TRUE;
  34     }
  35
  36     /* FIXME copy wrun */
  37     return retValue;
  38 }
  39
  40 /*
  41  * @implemented
  42  */
  43 FD_GLYPHSET*
  44 WINAPI
  45 EngComputeGlyphSet(INT nCodePage,INT nFirstChar,INT cChars)
  46 {
  47     FD_GLYPHSET * ntfd_glyphset;
  48     FD_GLYPHSET * myfd_glyphset = NULL;
  49
  50     ntfd_glyphset = NtGdiEngComputeGlyphSet(nCodePage,nFirstChar,cChars);
  51
  52     if (ntfd_glyphset)
  53     {
  54         if (ntfd_glyphset->cjThis)
  55         {
  56             myfd_glyphset = GlobalAlloc(0,ntfd_glyphset->cjThis);
  57             if (myfd_glyphset)
  58             {
  59                 if (copy_my_glyphset(myfd_glyphset,ntfd_glyphset,ntfd_glyphset->cjThis) == FALSE)
  60                 {
  61                     GlobalFree(myfd_glyphset);
  62                     myfd_glyphset = NULL;
  63                 }
  64             }
  65         }
  66     }
  67     return myfd_glyphset;
  68 }
  69
  70 /*
  71  * @implemented
  72  */
  73 HSEMAPHORE
  74 WINAPI
  75 EngCreateSemaphore ( VOID )
  76 {
  77     PRTL_CRITICAL_SECTION CritSect = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(RTL_CRITICAL_SECTION));
  78     if (!CritSect)
  79     {
  80         return NULL;
  81     }
  82
  83     RtlInitializeCriticalSection( CritSect );
  84     return (HSEMAPHORE)CritSect;
  85 }
  86
  87 /*
  88  * @implemented
  89  */
  90 VOID
  91 WINAPI
  92 EngDeleteSemaphore ( IN HSEMAPHORE hsem )
  93 {
  94     if (hsem)
  95     {
  96         RtlDeleteCriticalSection( (PRTL_CRITICAL_SECTION) hsem );
  97         RtlFreeHeap( GetProcessHeap(), 0, hsem );
  98     }
  99 }
 100
 101 /*
 102  * @implemented
 103  */
 104 PVOID WINAPI
 105 EngFindResource(HANDLE h,
 106                 int iName,
 107                 int iType,
 108                 PULONG pulSize)
 109 {
 110     HRSRC HRSrc;
 111     DWORD Size = 0;
 112     HGLOBAL Hg;
 113     LPVOID Lock = NULL;
 114
 115     if ((HRSrc = FindResourceW( (HMODULE) h, MAKEINTRESOURCEW(iName), MAKEINTRESOURCEW(iType))))
 116     {
 117         if ((Size = SizeofResource( (HMODULE) h, HRSrc )))
 118         {
 119             if ((Hg = LoadResource( (HMODULE) h, HRSrc )))
 120             {
 121                 Lock = LockResource( Hg );
 122             }
 123         }
 124     }
 125
 126     *pulSize = Size;
 127     return (PVOID) Lock;
 128 }
 129
 130 /*
 131  * @implemented
 132  */
 133 VOID WINAPI
 134 EngFreeModule(HANDLE h)
 135 {
 136     FreeLibrary(h);
 137 }
 138
 139 /*
 140  * @implemented
 141  */
 142
 143 VOID WINAPI
 144 EngGetCurrentCodePage( OUT PUSHORT OemCodePage,
 145                        OUT PUSHORT AnsiCodePage)
 146 {
 147     *OemCodePage  = GetOEMCP();
 148     *AnsiCodePage = GetACP();
 149 }
 150
 151
 152 /*
 153  * @implemented
 154  */
 155 LPWSTR WINAPI
 156 EngGetDriverName(HDEV hdev)
 157 {
 158     // DHPDEV from NtGdiGetDhpdev must be from print driver.
 159     PUMPDEV pPDev = (PUMPDEV)NtGdiGetDhpdev(hdev);
 160
 161     if (!pPDev) return NULL;
 162
 163     if (pPDev->Sig != PDEV_UMPD_ID)
 164     {
 165         pPDev = (PUMPDEV)pPDev->Sig;
 166     }
 167     return pPDev->pdi5Info->pDriverPath;
 168 }
 169
 170 /*
 171  * @implemented
 172  */
 173 LPWSTR WINAPI
 174 EngGetPrinterDataFileName(HDEV hdev)
 175 {
 176     PUMPDEV pPDev = (PUMPDEV)NtGdiGetDhpdev(hdev);
 177
 178     if (!pPDev) return NULL;
 179
 180     if (pPDev->Sig != PDEV_UMPD_ID)
 181     {
 182         pPDev = (PUMPDEV)pPDev->Sig;
 183     }
 184     return pPDev->pdi5Info->pDataFile;
 185 }
 186
 187 /*
 188  * @implemented
 189  */
 190 HANDLE WINAPI
 191 EngLoadModule(LPWSTR pwsz)
 192 {
 193     return LoadLibraryExW ( pwsz, NULL, LOAD_LIBRARY_AS_DATAFILE);
 194 }
 195
 196 /*
 197  * @implemented
 198  */
 199 INT WINAPI
 200 EngMultiByteToWideChar(UINT CodePage,
 201                        LPWSTR WideCharString,
 202                        INT BytesInWideCharString,
 203                        LPSTR MultiByteString,
 204                        INT BytesInMultiByteString)
 205 {
 206     return MultiByteToWideChar(CodePage,0,MultiByteString,BytesInMultiByteString,WideCharString,BytesInWideCharString / sizeof(WCHAR));
 207 }
 208
 209 /*
 210  * @implemented
 211  */
 212 VOID WINAPI
 213 EngQueryLocalTime(PENG_TIME_FIELDS etf)
 214 {
 215     SYSTEMTIME SystemTime;
 216     GetLocalTime( &SystemTime );
 217     etf->usYear    = SystemTime.wYear;
 218     etf->usMonth   = SystemTime.wMonth;
 219     etf->usWeekday = SystemTime.wDayOfWeek;
 220     etf->usDay     = SystemTime.wDay;
 221     etf->usHour    = SystemTime.wHour;
 222     etf->usMinute  = SystemTime.wMinute;
 223     etf->usSecond  = SystemTime.wSecond;
 224     etf->usMilliseconds = SystemTime.wMilliseconds;
 225 }
 226
 227 /*
 228  * @implemented
 229  */
 230 VOID
 231 WINAPI
 232 EngReleaseSemaphore ( IN HSEMAPHORE hsem )
 233 {
 234     RtlLeaveCriticalSection( (PRTL_CRITICAL_SECTION) hsem);
 235 }
 236
 237
 238
 239
 240 /*
 241  * @implemented
 242  */
 243 INT
 244 WINAPI
 245 EngWideCharToMultiByte( UINT CodePage,
 246                         LPWSTR WideCharString,
 247                         INT BytesInWideCharString,
 248                         LPSTR MultiByteString,
 249                         INT BytesInMultiByteString)
 250 {
 251     return WideCharToMultiByte(CodePage, 0, WideCharString, (BytesInWideCharString/sizeof(WCHAR)),
 252                                MultiByteString, BytesInMultiByteString, NULL, NULL);
 253 }