X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fgfxpoly%2Fpoly.h;h=03f8d47b17052f920f4ba14e1b6aeff5e85688d1;hb=163bdd5cab1758e4517e8365b3e40b5461d63640;hp=e9da73c16425b983a13c6e2dc5dec14c5557c9fe;hpb=66a03382aab040571f94b0861719753bda3ff8f1;p=swftools.git

diff --git a/lib/gfxpoly/poly.h b/lib/gfxpoly/poly.h
index e9da73c..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 {
@@ -13,6 +13,12 @@ typedef struct _point {
     int32_t y;
 } point_t;
 
+typedef struct _edge {
+    point_t a;
+    point_t b;
+    struct _edge *next;
+} edge_t;
+
 typedef struct _segment {
     point_t a;
     point_t b;
@@ -24,15 +30,19 @@ 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 segment_t gfxpoly_t;
+typedef edge_t gfxpoly_t;
 gfxpoly_t* gfxpoly_new();
 void gfxpoly_dump(gfxpoly_t*poly);
+gfxpoly_t* gfxpoly_process(gfxpoly_t*poly);
 
 typedef struct _event {
     eventtype_t type;