X-Git-Url: http://git.asbjorn.biz/?p=swftools.git;a=blobdiff_plain;f=lib%2Fgfxpoly%2Fwind.h;h=e1926ed8fe3fecf0ba8c1762ca77c49d3320f372;hp=374b974b470a02c6e5ffe1d95b58cfee71d59ef0;hb=678260583255100b0dce559e0f8f2f813e6f162e;hpb=8d594217e92517a626bb5b06f23a3034df1c4453

diff --git a/lib/gfxpoly/wind.h b/lib/gfxpoly/wind.h
index 374b974..e1926ed 100644
--- a/lib/gfxpoly/wind.h
+++ b/lib/gfxpoly/wind.h
@@ -7,6 +7,8 @@
    the the (original) segment's y2 is larger than its y1 */
 typedef enum {DIR_UP, DIR_DOWN, DIR_UNKNOWN} segment_dir_t;
 
+#define DIR_INVERT(d) ((d)^=(DIR_UP^DIR_DOWN))
+
 typedef struct _edgestyle {
     void*internal;
 } edgestyle_t;