reactos/subsys/win32k/include/dce.h

   1 #ifndef __WIN32K_DCE_H
   2 #define __WIN32K_DCE_H
   3
   4 /* Ported from WINE by Jason Filby */
   5
   6 #include <user32/wininternal.h>
   7
   8 typedef HANDLE HDCE;
   9
  10 /* DC hook codes */
  11 #define DCHC_INVALIDVISRGN      0x0001
  12 #define DCHC_DELETEDC           0x0002
  13
  14 #define DCHF_INVALIDATEVISRGN   0x0001
  15 #define DCHF_VALIDATEVISRGN     0x0002
  16
  17 typedef enum
  18 {
  19     DCE_CACHE_DC,   /* This is a cached DC (allocated by USER) */
  20     DCE_CLASS_DC,   /* This is a class DC (style CS_CLASSDC) */
  21     DCE_WINDOW_DC   /* This is a window DC (style CS_OWNDC) */
  22 } DCE_TYPE, *PDCE_TYPE;
  23
  24 typedef struct tagDCE
  25 {
  26     struct tagDCE *next;
  27     HDC          hDC;
  28     HWND         hwndCurrent;
  29     HWND         hwndDC;
  30     HRGN         hClipRgn;
  31     DCE_TYPE     type;
  32     DWORD        DCXFlags;
  33 } DCE, *PDCE;
  34
  35
  36 #define  DCEOBJ_AllocDCE()  \
  37   ((HDCE) GDIOBJ_AllocObj (sizeof (DCE), GO_DCE_MAGIC))
  38 #define  DCEOBJ_FreeDCE(hDCE)  GDIOBJ_FreeObj((HGDIOBJ)hDCE, GO_DCE_MAGIC, GDIOBJFLAG_DEFAULT)
  39 #define  DCEOBJ_LockDCE(hDCE) ((PDCE)GDIOBJ_LockObj((HGDIOBJ)hDCE, GO_DCE_MAGIC))
  40 #define  DCEOBJ_UnlockDCE(hDCE) GDIOBJ_UnlockObj((HGDIOBJ)hDCE, GO_DCE_MAGIC)
  41
  42 PDCE DCE_AllocDCE(HWND hWnd, DCE_TYPE type);
  43 PDCE DCE_FreeDCE(PDCE dce);
  44 VOID DCE_FreeWindowDCE(HWND);
  45 INT  DCE_ExcludeRgn(HDC, HWND, HRGN);
  46 BOOL DCE_InvalidateDCE(HWND, const PRECTL);
  47 BOOL DCE_InternalDelete(PDCE dce);
  48
  49 #endif