Piotr Caban : gdi32: Fix METADC handling in PlayMetaFile.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 5e507b3e3dc999ae55f314f863ea613a14f0ae84
URL:    https://gitlab.winehq.org/wine/wine/-/commit/5e507b3e3dc999ae55f314f863ea613...

Author: Piotr Caban 
Date:   Wed Oct 11 00:39:01 2023 +0200

gdi32: Fix METADC handling in PlayMetaFile.

---

dlls/gdi32/metafile.c | 37 ++++++++++++++++++++++---------------
 1 file changed, 22 insertions(+), 15 deletions(-)

diff --git a/dlls/gdi32/metafile.c b/dlls/gdi32/metafile.c
index 50910956e1d..911dfeecf61 100644
--- a/dlls/gdi32/metafile.c
+++ b/dlls/gdi32/metafile.c
@@ -360,6 +360,7 @@ HMETAFILE WINAPI CopyMetaFileA( HMETAFILE hSrcMetaFile, LPCSTR lpFilename )
  */
 BOOL WINAPI PlayMetaFile( HDC hdc, HMETAFILE hmf )
 {
+    BOOL metadc = GetObjectType(hdc) == OBJ_METADC;
     METAHEADER *mh = get_metafile_bits( hmf );
     METARECORD *mr;
     HANDLETABLE *ht;
@@ -372,16 +373,19 @@ BOOL WINAPI PlayMetaFile( HDC hdc, HMETAFILE hmf )

if (!mh) return FALSE;

-    /* save DC */
-    hPen = GetCurrentObject(hdc, OBJ_PEN);
-    hBrush = GetCurrentObject(hdc, OBJ_BRUSH);
-    hPal = GetCurrentObject(hdc, OBJ_PAL);
-
-    hRgn = NtGdiCreateRectRgn(0, 0, 0, 0);
-    if (!GetClipRgn(hdc, hRgn))
+    if (!metadc)
     {
-        DeleteObject(hRgn);
-        hRgn = 0;
+        /* save DC */
+        hPen = GetCurrentObject(hdc, OBJ_PEN);
+        hBrush = GetCurrentObject(hdc, OBJ_BRUSH);
+        hPal = GetCurrentObject(hdc, OBJ_PAL);
+
+        hRgn = NtGdiCreateRectRgn(0, 0, 0, 0);
+        if (!GetClipRgn(hdc, hRgn))
+        {
+            DeleteObject(hRgn);
+            hRgn = 0;
+        }
     }

/* create the handle table */
@@ -414,12 +418,15 @@ BOOL WINAPI PlayMetaFile( HDC hdc, HMETAFILE hmf )
    PlayMetaFileRecord( hdc, ht, mr, mh->mtNoObjects );
     }

-    /* restore DC */
-    SelectObject(hdc, hPen);
-    SelectObject(hdc, hBrush);
-    SelectPalette(hdc, hPal, FALSE);
-    ExtSelectClipRgn(hdc, hRgn, RGN_COPY);
-    DeleteObject(hRgn);
+    if (!metadc)
+    {
+        /* restore DC */
+        SelectObject(hdc, hPen);
+        SelectObject(hdc, hBrush);
+        SelectPalette(hdc, hPal, FALSE);
+        ExtSelectClipRgn(hdc, hRgn, RGN_COPY);
+        DeleteObject(hRgn);
+    }

/* free objects in handle table */
     for(i = 0; i < mh->mtNoObjects; i++)