Dmitry Timoshkov : windowscodecs: Allocate correct amount of memory for PNG image data.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 2f74d91d87b20d6f3e131b1afcedb646329ab1af
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=2f74d91d87b20d6f3e131b1afc...

Author: Dmitry Timoshkov 
Date:   Thu Apr 14 18:47:50 2016 +0200

windowscodecs: Allocate correct amount of memory for PNG image data.

Signed-off-by: Dmitry Timoshkov 
Signed-off-by: Sebastian Lackner 
Signed-off-by: Vincent Povirk 
Signed-off-by: Alexandre Julliard

---

dlls/windowscodecs/pngformat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/windowscodecs/pngformat.c b/dlls/windowscodecs/pngformat.c
index cd9165b..3eb4d0e 100644
--- a/dlls/windowscodecs/pngformat.c
+++ b/dlls/windowscodecs/pngformat.c
@@ -664,7 +664,7 @@ static HRESULT WINAPI PngDecoder_Initialize(IWICBitmapDecoder *iface, IStream *p
     /* read the image data */
     This->width = ppng_get_image_width(This->png_ptr, This->info_ptr);
     This->height = ppng_get_image_height(This->png_ptr, This->info_ptr);
-    This->stride = This->width * This->bpp;
+    This->stride = (This->width * This->bpp + 7) / 8;
     image_size = This->stride * This->height;

This->image_bits = HeapAlloc(GetProcessHeap(), 0, image_size);