[PATCH] gdiplus: Avoid negative integer overflow due to implicit type conversion.

29 Jan 2021

Signed-off-by: Haoyang Chen <chenhaoyang(a)uniontech.com>
---
 dlls/gdiplus/graphics.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/gdiplus/graphics.c b/dlls/gdiplus/graphics.c
index 2e6c0d7c9c8..7b4794e3620 100644
--- a/dlls/gdiplus/graphics.c
+++ b/dlls/gdiplus/graphics.c
@@ -972,9 +972,9 @@ static ARGB sample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT wi
     {
         /* Tiling. Make sure co-ordinates are positive as it simplifies the math. */
         if (x < 0)
-            x = width*2 + x % (width * 2);
+            x = width*2 + x % (INT)(width * 2);
         if (y < 0)
-            y = height*2 + y % (height * 2);
+            y = height*2 + y % (INT)(height * 2);
 
         if (attributes->wrap & WrapModeTileFlipX)
         {
-- 
2.20.1

    

Haoyang Chen