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     HRSrc = FindResourceW((HMODULE)h, MAKEINTRESOURCEW(iName), MAKEINTRESOURCEW(iType));
 116     if (HRSrc != NULL)
 117     {
 118         Size = SizeofResource((HMODULE)h, HRSrc);
 119         if (Size != 0)
 120         {
 121             Hg = LoadResource((HMODULE)h, HRSrc);
 122             if (Hg != NULL)
 123             {
 124                 Lock = LockResource( Hg );
 125             }
 126         }
 127     }
 128
 129     *pulSize = Size;
 130     return (PVOID) Lock;
 131 }
 132
 133 /*
 134  * @implemented
 135  */
 136 VOID WINAPI
 137 EngFreeModule(HANDLE h)
 138 {
 139     FreeLibrary(h);
 140 }
 141
 142 /*
 143  * @implemented
 144  */
 145
 146 VOID WINAPI
 147 EngGetCurrentCodePage( OUT PUSHORT OemCodePage,
 148                        OUT PUSHORT AnsiCodePage)
 149 {
 150     *OemCodePage  = GetOEMCP();
 151     *AnsiCodePage = GetACP();
 152 }
 153
 154
 155 /*
 156  * @implemented
 157  */
 158 LPWSTR WINAPI
 159 EngGetDriverName(HDEV hdev)
 160 {
 161     // DHPDEV from NtGdiGetDhpdev must be from print driver.
 162     PUMPDEV pPDev = (PUMPDEV)NtGdiGetDhpdev(hdev);
 163
 164     if (!pPDev) return NULL;
 165
 166     if (pPDev->Sig != PDEV_UMPD_ID)
 167     {
 168         pPDev = (PUMPDEV)pPDev->Sig;
 169     }
 170     return pPDev->pdi5Info->pDriverPath;
 171 }
 172
 173 /*
 174  * @implemented
 175  */
 176 LPWSTR WINAPI
 177 EngGetPrinterDataFileName(HDEV hdev)
 178 {
 179     PUMPDEV pPDev = (PUMPDEV)NtGdiGetDhpdev(hdev);
 180
 181     if (!pPDev) return NULL;
 182
 183     if (pPDev->Sig != PDEV_UMPD_ID)
 184     {
 185         pPDev = (PUMPDEV)pPDev->Sig;
 186     }
 187     return pPDev->pdi5Info->pDataFile;
 188 }
 189
 190 /*
 191  * @implemented
 192  */
 193 HANDLE WINAPI
 194 EngLoadModule(LPWSTR pwsz)
 195 {
 196     return LoadLibraryExW ( pwsz, NULL, LOAD_LIBRARY_AS_DATAFILE);
 197 }
 198
 199 /*
 200  * @implemented
 201  */
 202 INT WINAPI
 203 EngMultiByteToWideChar(UINT CodePage,
 204                        LPWSTR WideCharString,
 205                        INT BytesInWideCharString,
 206                        LPSTR MultiByteString,
 207                        INT BytesInMultiByteString)
 208 {
 209     return MultiByteToWideChar(CodePage,0,MultiByteString,BytesInMultiByteString,WideCharString,BytesInWideCharString / sizeof(WCHAR));
 210 }
 211
 212 /*
 213  * @implemented
 214  */
 215 VOID WINAPI
 216 EngQueryLocalTime(PENG_TIME_FIELDS etf)
 217 {
 218     SYSTEMTIME SystemTime;
 219     GetLocalTime( &SystemTime );
 220     etf->usYear    = SystemTime.wYear;
 221     etf->usMonth   = SystemTime.wMonth;
 222     etf->usWeekday = SystemTime.wDayOfWeek;
 223     etf->usDay     = SystemTime.wDay;
 224     etf->usHour    = SystemTime.wHour;
 225     etf->usMinute  = SystemTime.wMinute;
 226     etf->usSecond  = SystemTime.wSecond;
 227     etf->usMilliseconds = SystemTime.wMilliseconds;
 228 }
 229
 230 /*
 231  * @implemented
 232  */
 233 VOID
 234 WINAPI
 235 EngReleaseSemaphore ( IN HSEMAPHORE hsem )
 236 {
 237     RtlLeaveCriticalSection( (PRTL_CRITICAL_SECTION) hsem);
 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 }
 254
 255 /*
 256  * @unimplemented
 257  */
 258 ULONG *
 259 WINAPI
 260 XLATEOBJ_piVector(XLATEOBJ *XlateObj)
 261 {
 262     return XlateObj->pulXlate;
 263 }
 264