implemented PtVisible()

reactos/lib/gdi32/misc

diff -u -r1.56 -r1.57
--- stubs.c	25 Apr 2004 15:31:43 -0000	1.56
+++ stubs.c	25 Apr 2004 15:52:31 -0000	1.57
@@ -1,4 +1,4 @@

-/* $Id: stubs.c,v 1.56 2004/04/25 15:31:43 weiden Exp $

+/* $Id: stubs.c,v 1.57 2004/04/25 15:52:31 weiden Exp $

  *
  * reactos/lib/gdi32/misc/stubs.c
  *

@@ -396,22 +396,6 @@

  */
 BOOL
 STDCALL

-PtVisible(
-	HDC	a0,
-	int	a1,
-	int	a2
-	)
-{
-	SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
-	return FALSE;
-}
-
-
-/*
- * @unimplemented
- */
-BOOL
-STDCALL

 ResizePalette(
 	HPALETTE	a0,
 	UINT		a1

reactos/lib/gdi32/objects

diff -u -r1.31 -r1.32
--- dc.c	25 Apr 2004 15:31:43 -0000	1.31
+++ dc.c	25 Apr 2004 15:52:31 -0000	1.32
@@ -1043,3 +1043,19 @@

 {
   return NtGdiGetCurrentObject(hdc, uObjectType);
 }

+
+
+/*
+ * @implemented
+ */
+BOOL
+STDCALL
+PtVisible(
+	HDC	hdc,
+	int	X,
+	int	Y
+	)
+{
+  return NtGdiPtVisible(hdc, X, Y);
+}
+

reactos/subsys/win32k/objects

diff -u -r1.32 -r1.33
--- cliprgn.c	24 Apr 2004 14:21:37 -0000	1.32
+++ cliprgn.c	25 Apr 2004 15:52:31 -0000	1.33
@@ -16,7 +16,7 @@

  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */

-/* $Id: cliprgn.c,v 1.32 2004/04/24 14:21:37 weiden Exp $ */

+/* $Id: cliprgn.c,v 1.33 2004/04/25 15:52:31 weiden Exp $ */

 
 #undef WIN32_LEAN_AND_MEAN
 #include <windows.h>

@@ -124,9 +124,15 @@

   DC *dc;
 
   if (!hrgn)

+  {
+  	SetLastWin32Error(ERROR_INVALID_PARAMETER);

   	return ERROR;

+  }

   if (!(dc = DC_LockDc(hdc)))

+  {
+  	SetLastWin32Error(ERROR_INVALID_HANDLE);

   	return ERROR;

+  }

 
   dc->w.flags &= ~DC_DIRTY;
 

@@ -168,10 +174,14 @@

   PDC dc;
 
   if (!(dc = DC_LockDc(hDC)))

+  {
+  	SetLastWin32Error(ERROR_INVALID_HANDLE);

   	return ERROR;

+  }

   if(!(Rgn = RGNDATA_LockRgn(dc->w.hGCClipRgn)))
   {
     DC_UnlockDc( hDC );

+    SetLastWin32Error(ERROR_INVALID_HANDLE);

     return ERROR;
   }
   retval = UnsafeIntGetRgnBox(Rgn, rc);

@@ -219,7 +229,10 @@

    PDC dc = DC_LockDc(hDC);
 
    if (!dc)

+   {
+      SetLastWin32Error(ERROR_INVALID_HANDLE);

       return ERROR;

+   }

 
    Rect.left = LeftRect;
    Rect.top = TopRect;

@@ -262,7 +275,26 @@

                     int  X,
                     int  Y)
 {

-  UNIMPLEMENTED;

+  BOOL Ret;
+  DC *dc;
+  
+  if(!(dc = DC_LockDc(hDC)))
+  {
+    SetLastWin32Error(ERROR_INVALID_HANDLE);
+    return FALSE;
+  }
+  
+  if(dc->w.hClipRgn)
+  {
+    Ret = NtGdiPtInRegion(dc->w.hClipRgn, X, Y);
+  }
+  else
+  {
+    Ret = FALSE;
+  }
+  
+  DC_UnlockDc(hDC);
+  return Ret;

 }
 
 BOOL STDCALL NtGdiRectVisible(HDC  hDC,

@@ -276,6 +308,7 @@

 
    if (!dc)
    {

+      SetLastWin32Error(ERROR_INVALID_HANDLE);

       return FALSE;
    }