[jimtabor] 28375: Fix memory DC so CreateCompatibleDC with null will create it. Based on msdn2 info, we need to setup display surface, etc.

Author: jimtabor
Date: Fri Aug 17 04:08:48 2007
New Revision: 28375

URL: http://svn.reactos.org/svn/reactos?rev=28375&view=rev
Log:
Fix memory DC so CreateCompatibleDC with null will create it. Based on msdn2 info, we need to setup display surface, etc.

Modified:
    trunk/reactos/dll/win32/gdi32/objects/dc.c
    trunk/reactos/subsystems/win32/win32k/objects/dc.c
    trunk/reactos/subsystems/win32/win32k/objects/gdiobj.c

Modified: trunk/reactos/dll/win32/gdi32/objects/dc.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/gdi32/objects/dc....
==============================================================================
--- trunk/reactos/dll/win32/gdi32/objects/dc.c (original)
+++ trunk/reactos/dll/win32/gdi32/objects/dc.c Fri Aug 17 04:08:48 2007
@@ -789,14 +789,11 @@
       case GDI_OBJECT_TYPE_ENHMETAFILE:
         Ret = OBJ_ENHMETAFILE;
         break;
-      case GDI_OBJECT_TYPE_ENHMETADC:
-        Ret = OBJ_ENHMETADC;
-        break;
+      case GDI_OBJECT_TYPE_METADC:
+        Ret = OBJ_METADC;
+        break;      
       case GDI_OBJECT_TYPE_EXTPEN:
         Ret = OBJ_EXTPEN;
-        break;
-      case GDI_OBJECT_TYPE_MEMDC:
-        Ret = OBJ_MEMDC;
         break;

default:

Modified: trunk/reactos/subsystems/win32/win32k/objects/dc.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/obj...
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/dc.c (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/dc.c Fri Aug 17 04:08:48 2007
@@ -166,7 +166,8 @@
   HDC hNewDC, DisplayDC;
   HRGN hVisRgn;
   UNICODE_STRING DriverName;
-
+  INT DC_Type = DC_TYPE_DIRECT;
+  
   DisplayDC = NULL;
   if (hDC == NULL)
     {
@@ -177,6 +178,7 @@
           return NULL;
         }
       hDC = DisplayDC;
+      DC_Type = DC_TYPE_MEMORY; // Null hDC == Memory DC.
     }

/*  Allocate a new DC based on the original DC's device  */
@@ -205,7 +207,8 @@
   /* Copy information from original DC to new DC  */
   NewDC->hSelf = hNewDC;
   NewDC->IsIC = FALSE;
-
+  NewDC->DC_Type = DC_Type;
+  
   NewDC->PDev = OrigDC->PDev;
   memcpy(NewDC->FillPatternSurfaces,
          OrigDC->FillPatternSurfaces,
@@ -891,6 +894,7 @@
     return NULL;
   }

+  NewDC->DC_Type = DC_TYPE_DIRECT;
   NewDC->IsIC = CreateAsIC;
   NewDC->DevInfo = &PrimarySurface.DevInfo;
   NewDC->GDIInfo = &PrimarySurface.GDIInfo;
@@ -2174,12 +2178,7 @@
     case GdiGetFontLanguageInfo:
       break;
     case GdiGetIsMemDc:
-      {
-        if (dc->w.flags & DC_MEMORY)
-          SafeResult = DC_TYPE_MEMORY;  // = dc->DC_Type;
-        else
-          SafeResult = DC_TYPE_DIRECT;
-      }
+          SafeResult = dc->DC_Type;
       break;
     case GdiGetMapMode:
       SafeResult = dc->Dc_Attr.iMapMode;

Modified: trunk/reactos/subsystems/win32/win32k/objects/gdiobj.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/obj...
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/gdiobj.c (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/gdiobj.c Fri Aug 17 04:08:48 2007
@@ -84,8 +84,6 @@
   {GDI_OBJECT_TYPE_METADC,      sizeof(DC),             GDI_CleanupDummy},
   {GDI_OBJECT_TYPE_METAFILE,    sizeof(DC),            GDI_CleanupDummy},
   {GDI_OBJECT_TYPE_ENHMETAFILE, 0,                     GDI_CleanupDummy},
-  {GDI_OBJECT_TYPE_ENHMETADC,   0,                     GDI_CleanupDummy},
-  {GDI_OBJECT_TYPE_MEMDC,       0,                     GDI_CleanupDummy},
   {GDI_OBJECT_TYPE_EMF,         0,                     GDI_CleanupDummy}
 };