reactos/lib/gdi32/objects/dc.c

   1 #ifdef UNICODE
   2 #undef UNICODE
   3 #endif
   4
   5 #undef WIN32_LEAN_AND_MEAN
   6 #include <windows.h>
   7 #include <ddk/ntddk.h>
   8 #include <win32k/kapi.h>
   9
  10 HDC
  11 STDCALL
  12 CreateDCA (
  13         LPCSTR          lpszDriver,
  14         LPCSTR          lpszDevice,
  15         LPCSTR          lpszOutput,
  16         CONST DEVMODE   * lpInitData
  17         )
  18 {
  19         ANSI_STRING DriverA, DeviceA, OutputA;
  20         UNICODE_STRING DriverU, DeviceU, OutputU;
  21         HDC     hDC;
  22
  23         /*
  24          * If needed, convert to Unicode
  25          * any string parameter.
  26          */
  27
  28         if (NULL != lpszDriver)
  29         {
  30                 RtlInitAnsiString(&DriverA, (LPSTR)lpszDriver);
  31                 RtlAnsiStringToUnicodeString(&DriverU, &DriverA, TRUE);
  32         } else
  33                 DriverU.Buffer = NULL;
  34         if (NULL != lpszDevice)
  35         {
  36                 RtlInitAnsiString(&DeviceA, (LPSTR)lpszDevice);
  37                 RtlAnsiStringToUnicodeString(&DeviceU, &DeviceA, TRUE);
  38         } else
  39                 DeviceU.Buffer = NULL;
  40         if (NULL != lpszOutput)
  41         {
  42                 RtlInitAnsiString(&OutputA, (LPSTR)lpszOutput);
  43                 RtlAnsiStringToUnicodeString(&OutputU, &OutputA, TRUE);
  44         } else
  45                 OutputU.Buffer = NULL;
  46
  47         /*
  48          * Call the Unicode version
  49          * of CreateDC.
  50          */
  51
  52         hDC = CreateDCW (
  53                 DriverU.Buffer,
  54                 DeviceU.Buffer,
  55                 OutputU.Buffer,
  56                 lpInitData
  57                 );
  58         /*
  59          * Free Unicode parameters.
  60          */
  61         RtlFreeUnicodeString(&DriverU);
  62         RtlFreeUnicodeString(&DeviceU);
  63         RtlFreeUnicodeString(&OutputU);
  64
  65         /*
  66          * Return the possible DC handle.
  67          */
  68
  69         return hDC;
  70 }
  71
  72 HDC
  73 STDCALL
  74 CreateDCW (
  75         LPCWSTR         lpwszDriver,
  76         LPCWSTR         lpwszDevice,
  77         LPCWSTR         lpwszOutput,
  78         CONST DEVMODE   * lpInitData
  79         )
  80 {
  81         return W32kCreateDC (
  82                         lpwszDriver,
  83                         lpwszDevice,
  84                         lpwszOutput,
  85                         lpInitData
  86                         );
  87 }
  88
  89 BOOL STDCALL DeleteDC( HDC hDC )
  90 {
  91   return W32kDeleteDC( hDC );
  92 }
  93
  94
  95 HDC
  96 STDCALL
  97 CreateCompatibleDC(
  98         HDC  hDC
  99         )
 100 {
 101         return W32kCreateCompatableDC(hDC);
 102 }
 103
 104 HGDIOBJ
 105 STDCALL
 106 SelectObject(
 107         HDC     hDC,
 108         HGDIOBJ hGDIObj
 109         )
 110 {
 111         return W32kSelectObject(hDC, hGDIObj);
 112 }