[PATCH 1/3] win32u: Normalize inverted rectangles in dibdrv_RoundRect().

[Elizabeth Figura]

From: Elizabeth Figura

---
 dlls/win32u/dibdrv/graphics.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/dlls/win32u/dibdrv/graphics.c b/dlls/win32u/dibdrv/graphics.c
index cc62d6a681b..e7648cb2596 100644
--- a/dlls/win32u/dibdrv/graphics.c
+++ b/dlls/win32u/dibdrv/graphics.c
@@ -1556,6 +1556,19 @@ BOOL dibdrv_RoundRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
         return FALSE;
     }

+    if (right < left)
+    {
+        int tmp = left;
+        left = right;
+        right = tmp;
+    }
+    if (bottom < top)
+    {
+        int tmp = top;
+        top = bottom;
+        bottom = tmp;
+    }
+
     SetRect( &rect, left, top, left + ellipse_width, top + ellipse_height );
     /* Points are relative to the arc center.
      * We just need to specify any point on the vector. */