Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

win32ss/gdi/ntgdi/dcattr.c

@@ -0,0 +1,78 @@
+/*
+ * COPYRIGHT:         See COPYING in the top level directory
+ * PROJECT:           ReactOS kernel
+ * PURPOSE:           Functions for creation and destruction of DCs
+ * FILE:              win32ss/gdi/ntgdi/dcattr.c
+ * PROGRAMER:         Timo Kreuzer (timo.kreuzer@rectos.org)
+ */
+
+#include <win32k.h>
+
+#define NDEBUG
+#include <debug.h>
+
+#define GDIDCATTRFREE 8
+
+typedef struct _GDI_DC_ATTR_FREELIST
+{
+  LIST_ENTRY Entry;
+  DWORD nEntries;
+  PVOID AttrList[GDIDCATTRFREE];
+} GDI_DC_ATTR_FREELIST, *PGDI_DC_ATTR_FREELIST;
+
+typedef struct _GDI_DC_ATTR_ENTRY
+{
+  DC_ATTR Attr[GDIDCATTRFREE];
+} GDI_DC_ATTR_ENTRY, *PGDI_DC_ATTR_ENTRY;
+
+
+BOOL
+NTAPI
+DC_bAllocDcAttr(PDC pdc)
+{
+    PPROCESSINFO ppi;
+    PDC_ATTR pdcattr;
+
+    ppi = PsGetCurrentProcessWin32Process();
+    ASSERT(ppi);
+
+    pdcattr = GdiPoolAllocate(ppi->pPoolDcAttr);
+    if (!pdcattr)
+    {
+        DPRINT1("Could not allocate DC attr\n");
+        return FALSE;
+    }
+
+    /* Copy the content from the kernel mode dc attr */
+    pdc->pdcattr = pdcattr;
+    *pdc->pdcattr = pdc->dcattr;
+
+    /* Set the object attribute in the handle table */
+    GDIOBJ_vSetObjectAttr(&pdc->BaseObject, pdcattr);
+
+    DPRINT("DC_AllocDcAttr: pdc=%p, pdc->pdcattr=%p\n", pdc, pdc->pdcattr);
+    return TRUE;
+}
+
+VOID
+NTAPI
+DC_vFreeDcAttr(PDC pdc)
+{
+    PPROCESSINFO ppi;
+
+    if (pdc->pdcattr == &pdc->dcattr)
+    {
+        // Internal DC object!
+        return;
+    }
+
+    /* Reset the object attribute in the handle table */
+    GDIOBJ_vSetObjectAttr(&pdc->BaseObject, NULL);
+
+    ppi = PsGetCurrentProcessWin32Process();
+    ASSERT(ppi);
+    GdiPoolFree(ppi->pPoolDcAttr, pdc->pdcattr);
+
+    /* Reset to kmode dcattr */
+    pdc->pdcattr = &pdc->dcattr;
+}