msvfw32: Derive frame dimension from bitmap info when not available.

Signed-off-by: Bruno Jesus <00cpxxx@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

msvfw32: Derive frame dimension from bitmap info when not available.
2ccba1cf · Bruno Jesus · Alexandre Julliard · 5bc57faf · 2ccba1cf
Commit 2ccba1cf authored Nov 01, 2015 by Bruno Jesus Committed by Alexandre Julliard Nov 02, 2015
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drawdib.c dlls/msvfw32/drawdib.c +8 -1

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--- a/dlls/msvfw32/drawdib.c
+++ b/dlls/msvfw32/drawdib.c
@@ -347,7 +347,14 @@ BOOL VFWAPI DrawDibDraw(HDRAWDIB hdd, HDC hdc,

 #undef CHANGED

-    if ((dxDst == -1) && (dyDst == -1)) 
+    /* If source dimensions are not specified derive them from bitmap header */
+    if (dxSrc == -1 && dySrc == -1)
+    {
+        dxSrc = lpbi->biWidth;
+        dySrc = lpbi->biHeight;
+    }
+    /* If destination dimensions are not specified derive them from source */
+    if (dxDst == -1 && dyDst == -1)
    {
        dxDst = dxSrc;
        dyDst = dySrc;