wintab32: Handle negative output context range for y-axe.

b77f0a16 · John Klehm · Alexandre Julliard · bf1f0568 · b77f0a16
Commit b77f0a16 authored Sep 29, 2008 by John Klehm Committed by Alexandre Julliard Oct 02, 2008
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context.c dlls/wintab32/context.c +2 -0

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--- a/dlls/wintab32/context.c
+++ b/dlls/wintab32/context.c
@@ -215,6 +215,8 @@ LPOPENCONTEXT AddPacketToContextQueue(LPWTPACKET packet, HWND hwnd)
            /* flip the Y axis */
            if (ptr->context.lcOutExtY > 0)
                packet->pkY = ptr->context.lcOutExtY - packet->pkY;
+            else if (ptr->context.lcOutExtY < 0)
+                packet->pkY = abs(ptr->context.lcOutExtY + packet->pkY);

            DUMPPACKET(*packet);