[PATCH 1/1] win32u: Use width and height to check if the display mode is vertical.

[Zhiyi Zhang]

From: Zhiyi Zhang

DMDO_DEFAULT is the natural orientation of the device, which isn't necessarily a horizontal mode.
---
 dlls/win32u/sysparams.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/dlls/win32u/sysparams.c b/dlls/win32u/sysparams.c
index df3f9aa639b..15c85a44e13 100644
--- a/dlls/win32u/sysparams.c
+++ b/dlls/win32u/sysparams.c
@@ -1610,9 +1610,14 @@ static DEVMODEW *get_virtual_modes( const DEVMODEW *current, const DEVMODEW *ini
         {2560, 1600}
     };
     UINT depths[] = {8, 16, initial->dmBitsPerPel}, i, j, count;
-    BOOL vertical = initial->dmDisplayOrientation & 1;
+    BOOL vertical;
     DEVMODEW *modes;

+    /* Check the ratio of dmPelsWidth to dmPelsHeight to determine whether the initial display mode
+     * is in horizontal or vertical orientation. DMDO_DEFAULT is the natural orientation of the
+     * device, which isn't necessarily a horizontal mode */
+    vertical = initial->dmPelsHeight > initial->dmPelsWidth;
+
     modes = malloc( ARRAY_SIZE(depths) * (ARRAY_SIZE(screen_sizes) + 2) * sizeof(*modes) );

for (count = i = 0; modes && i < ARRAY_SIZE(depths); ++i)