X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fgfxpoly%2Fpoly.h;h=03f8d47b17052f920f4ba14e1b6aeff5e85688d1;hb=163bdd5cab1758e4517e8365b3e40b5461d63640;hp=972d4711b6d7776ca51f038ca0431687ad715445;hpb=f5626be739a1e1b61f89d7a389be3c4b5d4d9128;p=swftools.git

diff --git a/lib/gfxpoly/poly.h b/lib/gfxpoly/poly.h
index 972d471..03f8d47 100644
--- a/lib/gfxpoly/poly.h
+++ b/lib/gfxpoly/poly.h
@@ -4,8 +4,8 @@
 #include <stdint.h>
 #include "../q.h"
 
-typedef enum {DIR_UP, DIR_DOWN} segment_dir_t;
-typedef enum {EVENT_CROSS, EVENT_END, EVENT_START} eventtype_t;
+typedef enum {DIR_UP, DIR_DOWN, DIR_HORIZONTAL} segment_dir_t;
+typedef enum {EVENT_CROSS, EVENT_END, EVENT_HORIZONTAL, EVENT_START} eventtype_t;
 typedef enum {SLOPE_POSITIVE, SLOPE_NEGATIVE} slope_t;
 
 typedef struct _point {
@@ -30,11 +30,14 @@ typedef struct _segment {
     struct _segment*right;
     int tmp;
     point_t pos;
+    point_t new_point;
+    point_t new_pos;
 
     dict_t scheduled_crossings;
 } segment_t;
 
 #define LINE_EQ(p,s) ((double)(s)->delta.y*(p).x - (double)(s)->delta.x*(p).y - (s)->k)
+#define XPOS(s,ypos) ((s)->a.x + ceil(((s)->delta.x * (double)((ypos) - (s)->a.y)) / (s)->delta.y))
 
 typedef edge_t gfxpoly_t;
 gfxpoly_t* gfxpoly_new();