gdi32: Fix the lines parameter of SetDIBits to be positive.

3e5793e0 · Huw Davies · Alexandre Julliard · 8cc8552a · 3e5793e0
Commit 3e5793e0 authored Jul 22, 2011 by Huw Davies Committed by Alexandre Julliard Jul 22, 2011
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dib.c dlls/gdi32/dib.c +2 -2

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--- a/dlls/gdi32/dib.c
+++ b/dlls/gdi32/dib.c
@@ -271,7 +271,7 @@ INT nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT he
                bm.bmBitsPixel == bpp && bm.bmPlanes == planes)
            {
                /* fast path */
-                return SetDIBits( dev->hdc, hBitmap, 0, height, bits, info, coloruse );
+                return SetDIBits( dev->hdc, hBitmap, 0, abs( height ), bits, info, coloruse );
            }
        }
    }
@@ -295,7 +295,7 @@ INT nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT he
        StretchBlt( hdcMem, xSrc, abs(height) - heightSrc - ySrc, widthSrc, heightSrc,
                    dev->hdc, xDst, yDst, widthDst, heightDst, rop );
    }
-    ret = SetDIBits( hdcMem, hBitmap, 0, height, bits, info, coloruse );
+    ret = SetDIBits( hdcMem, hBitmap, 0, abs( height ), bits, info, coloruse );
    if (ret) StretchBlt( dev->hdc, xDst, yDst, widthDst, heightDst,
                         hdcMem, xSrc, abs(height) - heightSrc - ySrc, widthSrc, heightSrc, rop );
    DeleteDC( hdcMem );