Implement Information Contexts

svn path=/trunk/; revision=13870

reactos/include/win32k/dc.h

@@ -104,6 +104,7 @@ typedef struct _DC
   XLATEOBJ *XlatePen;
 
   INT  saveLevel;
+  BOOL IsIC;
 
   WIN_DC_INFO  w;
 } DC, *PDC;
@@ -136,6 +137,8 @@ typedef struct
   DEVINFO DevInfo;
   DRIVER_FUNCTIONS DriverFunctions;
   PFILE_OBJECT VideoFileObject;
+  BOOLEAN PreparedDriver;
+  ULONG DisplayNumber;
 
   GDIPOINTER Pointer;
 

reactos/subsys/win32k/include/intgdi.h

@@ -130,7 +130,8 @@ HDC FASTCALL
 IntGdiCreateDC(PUNICODE_STRING Driver,
                PUNICODE_STRING Device,
                PUNICODE_STRING Output,
-               CONST PDEVMODEW InitData);
+               CONST PDEVMODEW InitData,
+               BOOL CreateAsIC);
 
 COLORREF FASTCALL
 IntGetDCColor(HDC hDC, ULONG Object);

reactos/subsys/win32k/ntuser/metric.c

@@ -42,7 +42,6 @@ NtUserGetSystemMetrics(ULONG Index)
 {
   NTSTATUS Status;
   PWINSTATION_OBJECT WinStaObject;
-  PWINDOW_OBJECT DesktopWindow;
   ULONG Width, Height, Result;
 
   Result = 0;
@@ -156,19 +155,26 @@ NtUserGetSystemMetrics(ULONG Index)
       return(27);
     case SM_CXSCREEN:
     case SM_CYSCREEN:
-      DesktopWindow = IntGetWindowObject(IntGetDesktopWindow());
-      if (NULL != DesktopWindow)
-	  {
-	    Width = DesktopWindow->WindowRect.right;
-	    Height = DesktopWindow->WindowRect.bottom;
-	  }
-      else
     {
+      HDC ScreenDCHandle;
+      PDC ScreenDC;
+
       Width = 640;
       Height = 480;
+      ScreenDCHandle = IntGdiCreateDC(NULL, NULL, NULL, NULL, TRUE);
+      if (NULL != ScreenDCHandle)
+      {
+	ScreenDC = DC_LockDc(ScreenDCHandle);
+	if (NULL != ScreenDC)
+	{
+	  Width = ScreenDC->DMW.dmPelsWidth;
+	  Height = ScreenDC->DMW.dmPelsHeight;
+	  DC_UnlockDc(ScreenDCHandle);
+	}
+	NtGdiDeleteDC(ScreenDCHandle);
       }
-      IntReleaseWindowObject(DesktopWindow);
       return SM_CXSCREEN == Index ? Width : Height;
+    }
     case SM_CXSIZE:
     case SM_CYSIZE:
       return(18);

reactos/subsys/win32k/ntuser/windc.c

@@ -132,7 +132,7 @@ DceAllocDCE(HWND hWnd, DCE_TYPE Type)
   /* No real locking, just get the pointer */
   DCEOBJ_UnlockDCE(DceHandle);
   Dce->Self = DceHandle;
-  Dce->hDC = IntGdiCreateDC(&DriverName, NULL, NULL, NULL);
+  Dce->hDC = IntGdiCreateDC(&DriverName, NULL, NULL, NULL, FALSE);
   if (NULL == defaultDCstate)
     {
       defaultDCstate = NtGdiGetDCState(Dce->hDC);

reactos/subsys/win32k/ntuser/winsta.c

@@ -189,7 +189,7 @@ IntInitializeDesktopGraphics(VOID)
       return FALSE;
     }
   RtlInitUnicodeString(&DriverName, L"DISPLAY");
-  ScreenDeviceContext = IntGdiCreateDC(&DriverName, NULL, NULL, NULL);
+  ScreenDeviceContext = IntGdiCreateDC(&DriverName, NULL, NULL, NULL, FALSE);
   if (NULL == ScreenDeviceContext)
     {
       IntDestroyPrimarySurface();

reactos/subsys/win32k/objects/bitmaps.c

@@ -59,6 +59,12 @@ NtGdiBitBlt(
 		SetLastWin32Error(ERROR_INVALID_HANDLE);
 		return FALSE;
 	}
+	if (DCDest->IsIC)
+	{
+		DC_UnlockDc(hDCDest);
+		/* Yes, Windows really returns TRUE in this case */
+		return TRUE;
+	}
 
 	if (UsesSource)
 	{
@@ -72,6 +78,13 @@ NtGdiBitBlt(
 				SetLastWin32Error(ERROR_INVALID_HANDLE);
 				return FALSE;
 			}
+			if (DCSrc->IsIC)
+			{
+				DC_UnlockDc(hDCSrc);
+				DC_UnlockDc(hDCDest);
+				/* Yes, Windows really returns TRUE in this case */
+				return TRUE;
+			}
 		}
 		else
 		{
@@ -258,6 +271,12 @@ NtGdiTransparentBlt(
     SetLastWin32Error(ERROR_INVALID_HANDLE);
     return FALSE;
   }
+  if (DCDest->IsIC)
+  {
+    DC_UnlockDc(hdcDst);
+    /* Yes, Windows really returns TRUE in this case */
+    return TRUE;
+  }
   
   if((hdcDst != hdcSrc) && !(DCSrc = DC_LockDc(hdcSrc)))
   {
@@ -270,6 +289,16 @@ NtGdiTransparentBlt(
   {
     DCSrc = DCDest;
   }
+  if (DCSrc->IsIC)
+  {
+    DC_UnlockDc(hdcSrc);
+    if(hdcDst != hdcSrc)
+    {
+      DC_UnlockDc(hdcDst);
+    }
+    /* Yes, Windows really returns TRUE in this case */
+    return TRUE;
+  }
   
   /* Offset positions */
   xDst += DCDest->w.DCOrgX;
@@ -575,6 +604,11 @@ NtGdiGetPixel(HDC hDC, INT XPos, INT YPos)
 		SetLastWin32Error(ERROR_INVALID_HANDLE);
 		return Result;
 	}
+	if (dc->IsIC)
+	{
+		DC_UnlockDc(hDC);
+		return Result;
+	}
 	XPos += dc->w.DCOrgX;
 	YPos += dc->w.DCOrgY;
 	if ( IN_RECT(dc->CombinedClip->rclBounds,XPos,YPos) )
@@ -1039,6 +1073,12 @@ NtGdiStretchBlt(
 		SetLastWin32Error(ERROR_INVALID_HANDLE);
 		return FALSE;
 	}
+	if (DCDest->IsIC)
+	{
+		DC_UnlockDc(hDCDest);
+		/* Yes, Windows really returns TRUE in this case */
+		return TRUE;
+	}
 
 	if (UsesSource)
 	{
@@ -1052,6 +1092,13 @@ NtGdiStretchBlt(
 				SetLastWin32Error(ERROR_INVALID_HANDLE);
 				return FALSE;
 			}
+			if (DCSrc->IsIC)
+			{
+				DC_UnlockDc(hDCSrc);
+				DC_UnlockDc(hDCDest);
+				/* Yes, Windows really returns TRUE in this case */
+				return TRUE;
+			}
 		}
 		else
 		{

reactos/subsys/win32k/objects/brush.c

@@ -266,6 +266,12 @@ IntGdiPolyPatBlt(
       SetLastWin32Error(ERROR_INVALID_HANDLE);
       return FALSE;
    }
+   if (dc->IsIC)
+   {
+      DC_UnlockDc(hDC);
+      /* Yes, Windows really returns TRUE in this case */
+      return TRUE;
+   }
 	
    for (r = pRects, i = 0; i < cRects; i++)
    {
@@ -466,6 +472,12 @@ NtGdiPatBlt(
       SetLastWin32Error(ERROR_INVALID_HANDLE);
       return FALSE;
    }
+   if (dc->IsIC)
+   {
+      DC_UnlockDc(hDC);
+      /* Yes, Windows really returns TRUE in this case */
+      return TRUE;
+   }
 
    BrushObj = BRUSHOBJ_LockBrush(dc->w.hBrush);
    if (BrushObj == NULL)

reactos/subsys/win32k/objects/dc.c

@@ -136,7 +136,7 @@ NtGdiCreateCompatableDC(HDC hDC)
   if (hDC == NULL)
     {
       RtlInitUnicodeString(&DriverName, L"DISPLAY");
-      DisplayDC = IntGdiCreateDC(&DriverName, NULL, NULL, NULL);
+      DisplayDC = IntGdiCreateDC(&DriverName, NULL, NULL, NULL, TRUE);
       if (NULL == DisplayDC)
         {
           return NULL;
@@ -169,6 +169,7 @@ NtGdiCreateCompatableDC(HDC hDC)
 
   /* Copy information from original DC to new DC  */
   NewDC->hSelf = hNewDC;
+  NewDC->IsIC = FALSE;
 
   NewDC->PDev = OrigDC->PDev;
   NewDC->DMW = OrigDC->DMW;
@@ -454,19 +455,16 @@ SetupDevMode(PDEVMODEW DevMode, ULONG DisplayNumber)
   return Valid;
 }
 
-BOOL FASTCALL
+static BOOL FASTCALL
-IntCreatePrimarySurface()
+IntPrepareDriver()
 {
    PGD_ENABLEDRIVER GDEnableDriver;
    DRVENABLEDATA DED;
-   SURFOBJ *SurfObj;
-   SIZEL SurfSize;
    UNICODE_STRING DriverFileNames;
    PWSTR CurrentName;
    BOOL GotDriver;
    BOOL DoDefault;
    ULONG DisplayNumber;
-   RECTL SurfaceRect;
 
    for (DisplayNumber = 0; ; DisplayNumber++)
    {
@@ -488,7 +486,6 @@ IntCreatePrimarySurface()
       if (!FindDriverFileNames(&DriverFileNames, DisplayNumber))
       {
          DPRINT1("FindDriverFileNames failed\n");
-         /* return FALSE; */
          continue;
       }
 
@@ -543,7 +540,6 @@ IntCreatePrimarySurface()
       {
          ObDereferenceObject(PrimarySurface.VideoFileObject);
          DPRINT1("No suitable DDI driver found\n");
-         /* return FALSE; */
          continue;
       }
 
@@ -608,7 +604,6 @@ IntCreatePrimarySurface()
             ObDereferenceObject(PrimarySurface.VideoFileObject);
             DPRINT1("DrvEnablePDEV with default parameters failed\n");
             DPRINT1("Perhaps DDI driver doesn't match miniport driver?\n");
-            /* return FALSE; */
             continue;
          }
       }
@@ -637,8 +632,34 @@ IntCreatePrimarySurface()
 
       DRIVER_ReferenceDriver(L"DISPLAY");
 
-      DPRINT("calling EnableSurface\n");
+      PrimarySurface.PreparedDriver = TRUE;
+      PrimarySurface.DisplayNumber = DisplayNumber;
 
+      return TRUE;
+   }
+
+   return FALSE;
+}
+
+static BOOL FASTCALL
+IntPrepareDriverIfNeeded()
+{
+   return (PrimarySurface.PreparedDriver ? TRUE : IntPrepareDriver());
+}
+
+BOOL FASTCALL
+IntCreatePrimarySurface()
+{
+   SIZEL SurfSize;
+   RECTL SurfaceRect;
+   SURFOBJ *SurfObj;
+
+   if (! IntPrepareDriverIfNeeded())
+   {
+      return FALSE;
+   }
+
+   DPRINT("calling EnableSurface\n");
    /* Enable the drawing surface */
    PrimarySurface.Handle =
       PrimarySurface.DriverFunctions.EnableSurface(PrimarySurface.PDev);
@@ -648,12 +669,11 @@ IntCreatePrimarySurface()
       PrimarySurface.DriverFunctions.DisablePDEV(PrimarySurface.PDev);
       ObDereferenceObject(PrimarySurface.VideoFileObject);
       DPRINT1("DrvEnableSurface failed\n");
-         /* return FALSE; */
+      return FALSE;
-         continue;
    }
 
    /* attach monitor */
-      IntAttachMonitor(&PrimarySurface, DisplayNumber);
+   IntAttachMonitor(&PrimarySurface, PrimarySurface.DisplayNumber);
 
    SurfObj = EngLockSurface((HSURF)PrimarySurface.Handle);
    SurfObj->dhpdev = PrimarySurface.PDev;
@@ -671,8 +691,6 @@ IntCreatePrimarySurface()
 
    EngUnlockSurface(SurfObj);
    IntShowDesktop(IntGetActiveDesktop(), SurfSize.cx, SurfSize.cy);
-      break;
-   }
 
    return TRUE;
 }
@@ -694,6 +712,7 @@ IntDestroyPrimarySurface()
     PrimarySurface.DriverFunctions.AssertMode(PrimarySurface.PDev, FALSE);
     PrimarySurface.DriverFunctions.DisableSurface(PrimarySurface.PDev);
     PrimarySurface.DriverFunctions.DisablePDEV(PrimarySurface.PDev);
+    PrimarySurface.PreparedDriver = FALSE;
 
     DceEmptyCache();
 
@@ -704,7 +723,8 @@ HDC FASTCALL
 IntGdiCreateDC(PUNICODE_STRING Driver,
                PUNICODE_STRING Device,
                PUNICODE_STRING Output,
-               CONST PDEVMODEW InitData)
+               CONST PDEVMODEW InitData,
+               BOOL CreateAsIC)
 {
   HDC      hNewDC;
   PDC      NewDC;
@@ -717,7 +737,15 @@ IntGdiCreateDC(PUNICODE_STRING Driver,
 
   if (NULL == Driver || 0 == RtlCompareUnicodeString(Driver, &StdDriver, TRUE))
     {
-      if (! IntGraphicsCheck(TRUE))
+      if (CreateAsIC)
+        {
+          if (! IntPrepareDriverIfNeeded())
+            {
+              DPRINT1("Unable to prepare graphics driver, returning NULL ic\n");
+              return NULL;
+            }
+        }
+      else if (! IntGraphicsCheck(TRUE))
         {
           DPRINT1("Unable to initialize graphics, returning NULL dc\n");
           return NULL;
@@ -750,6 +778,7 @@ IntGdiCreateDC(PUNICODE_STRING Driver,
     return NULL;
   }
 
+  NewDC->IsIC = CreateAsIC;
   NewDC->DMW = PrimarySurface.DMW;
   NewDC->DevInfo = &PrimarySurface.DevInfo;
   NewDC->GDIInfo = &PrimarySurface.GDIInfo;
@@ -763,9 +792,12 @@ IntGdiCreateDC(PUNICODE_STRING Driver,
   NewDC->DMW.dmSize = sizeof(NewDC->DMW);
   NewDC->DMW.dmFields = 0x000fc000;
 
-  /* FIXME: get mode selection information from somewhere  */
-
   NewDC->DMW.dmLogPixels = 96;
+  NewDC->w.bitsPerPixel = NewDC->DMW.dmBitsPerPel; // FIXME: set this here??
+  DPRINT("Bits per pel: %u\n", NewDC->w.bitsPerPixel);
+
+  if (! CreateAsIC)
+  {
     SurfObj = EngLockSurface((HSURF)PrimarySurface.Handle);
     if ( !SurfObj )
     {
@@ -773,18 +805,13 @@ IntGdiCreateDC(PUNICODE_STRING Driver,
       DC_FreeDC ( hNewDC) ;
       return NULL;
     }
-  NewDC->DMW.dmBitsPerPel = BitsPerFormat(SurfObj->iBitmapFormat);
+    ASSERT(NewDC->DMW.dmBitsPerPel == BitsPerFormat(SurfObj->iBitmapFormat));
-  NewDC->DMW.dmPelsWidth = SurfObj->sizlBitmap.cx;
+    ASSERT(NewDC->DMW.dmPelsWidth == SurfObj->sizlBitmap.cx);
-  NewDC->DMW.dmPelsHeight = SurfObj->sizlBitmap.cy;
+    ASSERT(NewDC->DMW.dmPelsHeight == SurfObj->sizlBitmap.cy);
-  NewDC->DMW.dmDisplayFlags = 0;
-  NewDC->DMW.dmDisplayFrequency = 0;
 
-  NewDC->w.bitsPerPixel = NewDC->DMW.dmBitsPerPel; // FIXME: set this here??
     NewDC->w.hPalette = NewDC->DevInfo->hpalDefault;
     NewDC->w.ROPmode = R2_COPYPEN;
   
-  DPRINT("Bits per pel: %u\n", NewDC->w.bitsPerPixel);
-  
     DC_UnlockDc( hNewDC );
 
     hVisRgn = NtGdiCreateRectRgn(0, 0, SurfObj->sizlBitmap.cx,
@@ -800,6 +827,11 @@ IntGdiCreateDC(PUNICODE_STRING Driver,
     NtGdiSetBkMode(hNewDC, OPAQUE);
 
     EngUnlockSurface(SurfObj);
+  }
+  else
+  {
+    DC_UnlockDc( hNewDC );
+  }
   
   return hNewDC;
 }
@@ -847,7 +879,7 @@ NtGdiCreateDC(PUNICODE_STRING Driver,
     }
   }
   
-  Ret = IntGdiCreateDC(&SafeDriver, &SafeDevice, NULL, &SafeInitData);
+  Ret = IntGdiCreateDC(&SafeDriver, &SafeDevice, NULL, &SafeInitData, FALSE);
   
   return Ret;
 }
@@ -856,10 +888,50 @@ HDC STDCALL
 NtGdiCreateIC(PUNICODE_STRING Driver,
               PUNICODE_STRING Device,
               PUNICODE_STRING Output,
-              CONST PDEVMODEW DevMode)
+              CONST PDEVMODEW InitData)
 {
-  /* FIXME: this should probably do something else...  */
+  UNICODE_STRING SafeDriver, SafeDevice;
-  return  NtGdiCreateDC(Driver, Device, Output, DevMode);
+  DEVMODEW SafeInitData;
+  HDC Ret;
+  NTSTATUS Status;
+  
+  if(InitData)
+  {
+    Status = MmCopyFromCaller(&SafeInitData, InitData, sizeof(DEVMODEW));
+    if(!NT_SUCCESS(Status))
+    {
+      SetLastNtError(Status);
+      return NULL;
+    }
+    /* FIXME - InitData can have some more bytes! */
+  }
+  
+  if(Driver)
+  {
+    Status = IntSafeCopyUnicodeString(&SafeDriver, Driver);
+    if(!NT_SUCCESS(Status))
+    {
+      SetLastNtError(Status);
+      return NULL;
+    }
+  }
+  
+  if(Device)
+  {
+    Status = IntSafeCopyUnicodeString(&SafeDevice, Device);
+    if(!NT_SUCCESS(Status))
+    {
+      RtlFreeUnicodeString(&SafeDriver);
+      SetLastNtError(Status);
+      return NULL;
+    }
+  }
+  
+  Ret = IntGdiCreateDC(NULL == Driver ? NULL : &SafeDriver,
+                       NULL == Device ? NULL : &SafeDevice, NULL,
+                       NULL == InitData ? NULL : &SafeInitData, TRUE);
+  
+  return Ret;
 }
 
 BOOL STDCALL
@@ -1144,6 +1216,7 @@ NtGdiGetDCState(HDC  hDC)
 
   newdc->hSelf = hnewdc;
   newdc->saveLevel = 0;
+  newdc->IsIC = dc->IsIC;
 
 #if 0
   PATH_InitGdiPath( &newdc->w.path );

reactos/subsys/win32k/objects/dib.c

@@ -27,6 +27,11 @@ NtGdiSetDIBColorTable(HDC hDC, UINT StartIndex, UINT Entries, CONST RGBQUAD *Col
    PBITMAPOBJ BitmapObj;
 
    if (!(dc = DC_LockDc(hDC))) return 0;
+   if (dc->IsIC)
+   {
+      DC_UnlockDc(hDC);
+      return 0;
+   }
 
    BitmapObj = BITMAPOBJ_LockBitmap(dc->w.hBitmap);
    if (BitmapObj == NULL)
@@ -73,6 +78,11 @@ NtGdiGetDIBColorTable(HDC hDC, UINT StartIndex, UINT Entries, RGBQUAD *Colors)
    PBITMAPOBJ BitmapObj;
 
    if (!(dc = DC_LockDc(hDC))) return 0;
+   if (dc->IsIC)
+   {
+      DC_UnlockDc(hDC);
+      return 0;
+   }
 
    BitmapObj = BITMAPOBJ_LockBitmap(dc->w.hBitmap);
    if (BitmapObj == NULL)
@@ -264,6 +274,11 @@ NtGdiSetDIBits(
       SetLastWin32Error(ERROR_INVALID_HANDLE);
       return 0;
     }
+  if (Dc->IsIC)
+    {
+      DC_UnlockDc(hDC);
+      return 0;
+    }
 
   Ret = IntSetDIBits(Dc, hBitmap, StartScan, ScanLines, Bits, bmi, ColorUse);
 
@@ -325,6 +340,11 @@ NtGdiGetDIBits(HDC hDC,
       SetLastWin32Error(ERROR_INVALID_HANDLE);
       return 0;
    }
+   if (Dc->IsIC)
+   {
+      DC_UnlockDc(hDC);
+      return 0;
+   }
    hSourcePalette = Dc->w.hPalette;
    /* FIXME: This is incorrect. hDestPalette should be something other. */
    hDestPalette = Dc->DevInfo->hpalDefault;

reactos/subsys/win32k/objects/fillshap.c

@@ -237,6 +237,12 @@ NtGdiEllipse(
       SetLastWin32Error(ERROR_INVALID_HANDLE);
       return FALSE;
    }
+   if (dc->IsIC)
+   {
+      DC_UnlockDc(hDC);
+      /* Yes, Windows really returns TRUE in this case */
+      return TRUE;
+   }
 
    FillBrush = BRUSHOBJ_LockBrush(dc->w.hBrush);
    if (NULL == FillBrush)
@@ -664,6 +670,12 @@ NtGdiPie(HDC  hDC,
       SetLastWin32Error(ERROR_INVALID_HANDLE);
       return FALSE;
     }
+  if (dc->IsIC)
+    {
+      DC_UnlockDc(hDC);
+      /* Yes, Windows really returns TRUE in this case */
+      return TRUE;
+    }
 
   FillBrushObj = BRUSHOBJ_LockBrush(dc->w.hBrush);
   if (NULL == FillBrushObj)
@@ -844,6 +856,12 @@ NtGdiPolygon(HDC          hDC,
     SetLastWin32Error(ERROR_INVALID_HANDLE);
   else
   {
+    if (dc->IsIC)
+    {
+      DC_UnlockDc(hDC);
+      /* Yes, Windows really returns TRUE in this case */
+      return TRUE;
+    }
     Safept = ExAllocatePoolWithTag(PagedPool, sizeof(POINT) * Count, TAG_SHAPE);
     if(!Safept)
       SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
@@ -883,6 +901,12 @@ NtGdiPolyPolygon(HDC           hDC,
     SetLastWin32Error(ERROR_INVALID_HANDLE);
     return FALSE;
   }
+  if (dc->IsIC)
+  {
+    DC_UnlockDc(hDC);
+    /* Yes, Windows really returns TRUE in this case */
+    return TRUE;
+  }
   
   if(Count > 0)
   {
@@ -1061,6 +1085,12 @@ NtGdiRectangle(HDC  hDC,
     SetLastWin32Error(ERROR_INVALID_HANDLE);
     return FALSE;
   }
+  if (dc->IsIC)
+  {
+    DC_UnlockDc(hDC);
+    /* Yes, Windows really returns TRUE in this case */
+    return TRUE;
+  }
   
   ret = IntRectangle ( dc, LeftRect, TopRect, RightRect, BottomRect );
   DC_UnlockDc ( hDC );
@@ -1358,6 +1388,12 @@ NtGdiRoundRect(
     DPRINT1("NtGdiRoundRect() - hDC is invalid\n");
     SetLastWin32Error(ERROR_INVALID_HANDLE);
   }
+  else if (dc->IsIC)
+  {
+    DC_UnlockDc(hDC);
+    /* Yes, Windows really returns TRUE in this case */
+    ret = TRUE;
+  }
   else
   {
     ret = IntRoundRect ( dc, LeftRect, TopRect, RightRect, BottomRect, Width, Height );
@@ -1490,6 +1526,12 @@ NtGdiGradientFill(
     SetLastWin32Error(ERROR_INVALID_HANDLE);
     return FALSE;
   }
+  if (dc->IsIC)
+  {
+    DC_UnlockDc(hdc);
+    /* Yes, Windows really returns TRUE in this case */
+    return TRUE;
+  }
   if(!pVertex || !uVertex || !pMesh || !uMesh)
   {
     DC_UnlockDc(hdc);

reactos/subsys/win32k/objects/line.c

@@ -368,6 +368,12 @@ NtGdiArc(HDC  hDC,
     SetLastWin32Error(ERROR_INVALID_HANDLE);
     return FALSE;
   }
+  if (dc->IsIC)
+  {
+    DC_UnlockDc(hDC);
+    /* Yes, Windows really returns TRUE in this case */
+    return TRUE;
+  }
   
   Ret = IntGdiArc(dc,
                   LeftRect,
@@ -404,6 +410,12 @@ NtGdiArcTo(HDC  hDC,
     SetLastWin32Error(ERROR_INVALID_HANDLE);
     return FALSE;
   }
+  if (dc->IsIC)
+  {
+    DC_UnlockDc(hDC);
+    /* Yes, Windows really returns TRUE in this case */
+    return TRUE;
+  }
 
   // Line from current position to starting point of arc
   if ( !IntGdiLineTo(dc, XRadial1, YRadial1) )
@@ -466,6 +478,12 @@ NtGdiLineTo(HDC  hDC,
     SetLastWin32Error(ERROR_INVALID_HANDLE);
     return FALSE;
   }
+  if (dc->IsIC)
+  {
+    DC_UnlockDc(hDC);
+    /* Yes, Windows really returns TRUE in this case */
+    return TRUE;
+  }
   
   Ret = IntGdiLineTo(dc, XEnd, YEnd);
   
@@ -491,6 +509,12 @@ NtGdiMoveToEx(HDC      hDC,
     SetLastWin32Error(ERROR_INVALID_HANDLE);
     return FALSE;
   }
+  if (dc->IsIC)
+  {
+    DC_UnlockDc(hDC);
+    /* Yes, Windows really returns TRUE in this case */
+    return TRUE;
+  }
   
   if(Point)
   {
@@ -526,6 +550,12 @@ NtGdiPolyBezier(HDC           hDC,
     SetLastWin32Error(ERROR_INVALID_HANDLE);
     return FALSE;
   }
+  if (dc->IsIC)
+  {
+    DC_UnlockDc(hDC);
+    /* Yes, Windows really returns TRUE in this case */
+    return TRUE;
+  }
   
   if(Count > 0)
   {
@@ -577,6 +607,12 @@ NtGdiPolyBezierTo(HDC  hDC,
     SetLastWin32Error(ERROR_INVALID_HANDLE);
     return FALSE;
   }
+  if (dc->IsIC)
+  {
+    DC_UnlockDc(hDC);
+    /* Yes, Windows really returns TRUE in this case */
+    return TRUE;
+  }
   
   if(Count > 0)
   {
@@ -639,6 +675,12 @@ NtGdiPolyline(HDC            hDC,
     SetLastWin32Error(ERROR_INVALID_HANDLE);
     return FALSE;
   }
+  if (dc->IsIC)
+  {
+    DC_UnlockDc(hDC);
+    /* Yes, Windows really returns TRUE in this case */
+    return TRUE;
+  }
   
   if(Count >= 2)
   {
@@ -690,6 +732,12 @@ NtGdiPolylineTo(HDC            hDC,
     SetLastWin32Error(ERROR_INVALID_HANDLE);
     return FALSE;
   }
+  if (dc->IsIC)
+  {
+    DC_UnlockDc(hDC);
+    /* Yes, Windows really returns TRUE in this case */
+    return TRUE;
+  }
   
   if(Count > 0)
   {
@@ -743,6 +791,12 @@ NtGdiPolyPolyline(HDC            hDC,
     SetLastWin32Error(ERROR_INVALID_HANDLE);
     return FALSE;
   }
+  if (dc->IsIC)
+  {
+    DC_UnlockDc(hDC);
+    /* Yes, Windows really returns TRUE in this case */
+    return TRUE;
+  }
   
   if(Count > 0)
   {

reactos/subsys/win32k/objects/print.c

@@ -158,6 +158,11 @@ NtGdiExtEscape(
       SetLastWin32Error(ERROR_INVALID_HANDLE);
       return -1;
    }
+   if ( pDC->IsIC )
+   {
+      DC_UnlockDc(hDC);
+      return 0;
+   }
 
    if ( InSize && UnsafeInData )
    {

reactos/subsys/win32k/objects/text.c

@@ -1534,6 +1534,12 @@ NtGdiExtTextOut(
       SetLastWin32Error(ERROR_INVALID_HANDLE);
       return FALSE;
    }
+   if (dc->IsIC)
+   {
+      DC_UnlockDc(hDC);
+      /* Yes, Windows really returns TRUE in this case */
+      return TRUE;
+   }
 
    if (NULL != UnsafeDx && Count > 0)
    {