[PATCH 4/5] gdiplus: Bracket HDC use in GdipDrawString.

[Esme Povirk]

From: Esme Povirk

---
 dlls/gdiplus/graphics.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/dlls/gdiplus/graphics.c b/dlls/gdiplus/graphics.c
index b93b3f0c277..c089a984db7 100644
--- a/dlls/gdiplus/graphics.c
+++ b/dlls/gdiplus/graphics.c
@@ -5987,6 +5987,7 @@ GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string
     INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
     GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
 {
+    GpStatus status;
     HRGN rgn = NULL;
     HFONT gdifont;
     GpPointF rectcpy[4];
@@ -6005,9 +6006,11 @@ GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string
     if(!graphics || !string || !font || !brush || !rect)
         return InvalidParameter;

-    if(graphics->hdc)
+    if(has_gdi_dc(graphics))
     {
-        hdc = graphics->hdc;
+        status = gdi_dc_acquire(graphics, &hdc);
+        if (status != Ok)
+            return status;
     }
     else
     {
@@ -6097,7 +6100,10 @@ GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string

RestoreDC(hdc, save_state);

-    DeleteDC(temp_hdc);
+    if (temp_hdc)
+        DeleteDC(temp_hdc);
+    else
+        gdi_dc_release(graphics, hdc);

return Ok;
 }