reactos/include/win32k/ntgdihdl.h

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS Win32 Graphical Subsystem (WIN32K)
   4  * FILE:            include/win32k/ntgdihal.h
   5  * PURPOSE:         Win32 Shared GDI Handle/Object Types
   6  * PROGRAMMER:      Alex Ionescu (alex@relsoft.net)
   7  */
   8
   9 /* INCLUDES ******************************************************************/
  10
  11 #ifndef _NTGDIHDL_
  12 #define _NTGDIHDL_
  13
  14 /* DEFINES *******************************************************************/
  15
  16 /* Base address where the handle table is mapped to */
  17 #define GDI_HANDLE_TABLE_BASE_ADDRESS (0x400000)
  18
  19 /* GDI handle table can hold 0x4000 handles */
  20 #define GDI_HANDLE_COUNT 0x4000
  21 #define GDI_GLOBAL_PROCESS (0x0)
  22
  23 /* Handle Masks and shifts */
  24 #define GDI_HANDLE_INDEX_MASK (GDI_HANDLE_COUNT - 1)
  25 #define GDI_HANDLE_TYPE_MASK  0x007f0000
  26 #define GDI_HANDLE_STOCK_MASK 0x00800000
  27 #define GDI_HANDLE_REUSE_MASK 0xff000000
  28 #define GDI_HANDLE_REUSECNT_SHIFT 24
  29
  30 /*! \defgroup GDI object types
  31  *
  32  *  GDI object types
  33  *
  34  */
  35 /*@{*/
  36 #define GDI_OBJECT_TYPE_DC          0x00010000
  37 #define GDI_OBJECT_TYPE_REGION      0x00040000
  38 #define GDI_OBJECT_TYPE_BITMAP      0x00050000
  39 #define GDI_OBJECT_TYPE_PALETTE     0x00080000
  40 #define GDI_OBJECT_TYPE_FONT        0x000a0000
  41 #define GDI_OBJECT_TYPE_BRUSH       0x00100000
  42 #define GDI_OBJECT_TYPE_EMF         0x00210000
  43 #define GDI_OBJECT_TYPE_PEN         0x00300000
  44 #define GDI_OBJECT_TYPE_EXTPEN      0x00500000
  45 /* Following object types made up for ROS */
  46 #define GDI_OBJECT_TYPE_METADC      0x00710000
  47 #define GDI_OBJECT_TYPE_METAFILE    0x00720000
  48 #define GDI_OBJECT_TYPE_ENHMETAFILE 0x00730000
  49 #define GDI_OBJECT_TYPE_ENHMETADC   0x00740000
  50 #define GDI_OBJECT_TYPE_MEMDC       0x00750000
  51 #define GDI_OBJECT_TYPE_DCE         0x00770000
  52 #define GDI_OBJECT_TYPE_DONTCARE    0x007f0000
  53 /** Not really an object type. Forces GDI_FreeObj to be silent. */
  54 #define GDI_OBJECT_TYPE_SILENT      0x80000000
  55 /*@}*/
  56
  57 /* Handle macros */
  58 #define GDI_HANDLE_CREATE(i, t)    \
  59     ((HANDLE)(((i) & GDI_HANDLE_INDEX_MASK) | ((t) & GDI_HANDLE_TYPE_MASK)))
  60
  61 #define GDI_HANDLE_GET_INDEX(h)    \
  62     (((ULONG_PTR)(h)) & GDI_HANDLE_INDEX_MASK)
  63
  64 #define GDI_HANDLE_GET_TYPE(h)     \
  65     (((ULONG_PTR)(h)) & GDI_HANDLE_TYPE_MASK)
  66
  67 #define GDI_HANDLE_IS_TYPE(h, t)   \
  68     ((t) == (((ULONG_PTR)(h)) & GDI_HANDLE_TYPE_MASK))
  69
  70 #define GDI_HANDLE_IS_STOCKOBJ(h)  \
  71     (0 != (((ULONG_PTR)(h)) & GDI_HANDLE_STOCK_MASK))
  72
  73 #define GDI_HANDLE_SET_STOCKOBJ(h) \
  74     ((h) = (HANDLE)(((ULONG_PTR)(h)) | GDI_HANDLE_STOCK_MASK))
  75
  76 /* TYPES *********************************************************************/
  77
  78 typedef struct _GDI_TABLE_ENTRY
  79 {
  80     PVOID KernelData; /* Points to the kernel mode structure */
  81     HANDLE ProcessId; /* process id that created the object, 0 for stock objects */
  82     LONG Type;        /* the first 16 bit is the object type including the stock obj flag, the last 16 bits is just the object type */
  83     PVOID UserData;   /* Points to the user mode structure, usually NULL though */
  84 } GDI_TABLE_ENTRY, *PGDI_TABLE_ENTRY;
  85
  86 #endif