DCE header file

svn path=/trunk/; revision=3393

reactos/subsys/win32k/include/dce.h

@@ -0,0 +1,48 @@
+#ifndef __WIN32K_DCE_H
+#define __WIN32K_DCE_H
+
+/* Ported from WINE by Jason Filby */
+
+#include <user32/wininternal.h>
+
+typedef HANDLE HDCE;
+
+/* DC hook codes */
+#define DCHC_INVALIDVISRGN      0x0001
+#define DCHC_DELETEDC           0x0002
+
+#define DCHF_INVALIDATEVISRGN   0x0001
+#define DCHF_VALIDATEVISRGN     0x0002
+
+typedef enum
+{
+    DCE_CACHE_DC,   /* This is a cached DC (allocated by USER) */
+    DCE_CLASS_DC,   /* This is a class DC (style CS_CLASSDC) */
+    DCE_WINDOW_DC   /* This is a window DC (style CS_OWNDC) */
+} DCE_TYPE, *PDCE_TYPE;
+
+typedef struct tagDCE
+{
+    struct tagDCE *next;
+    HDC          hDC;
+    HWND         hwndCurrent;
+    HWND         hwndDC;
+    HRGN         hClipRgn;
+    DCE_TYPE     type;
+    DWORD        DCXflags;
+} DCE, *PDCE;
+
+
+#define  DCEOBJ_AllocDCE()  \
+  ((HDCE) GDIOBJ_AllocObj (sizeof (DCE), GO_DCE_MAGIC))
+#define  DCEOBJ_FreeDCE(hDCE)  GDIOBJ_FreeObj((HGDIOBJ)hDCE, GO_DCE_MAGIC)
+#define  DCEOBJ_LockDCE(hDCE) ((PDCE)GDIOBJ_LockObj((HGDIOBJ)hDCE, GO_DCE_MAGIC))
+#define  DCEOBJ_UnlockDCE(hDCE) GDIOBJ_UnlockObj((HGDIOBJ)hDCE, GO_DCE_MAGIC)
+
+PDCE DCE_AllocDCE(HWND hWnd, DCE_TYPE type);
+PDCE DCE_FreeDCE(PDCE dce);
+VOID DCE_FreeWindowDCE(HWND);
+INT  DCE_ExcludeRgn(HDC, HWND, HRGN);
+BOOL DCE_InvalidateDCE(HWND, const PRECTL);
+
+#endif