bugfixes and speedups

[swftools.git] / lib / gfxpoly / active.c

diff --git a/lib/gfxpoly/active.c b/lib/gfxpoly/active.c
index 5a2c451..e9270e4 100644 (file)
--- a/lib/gfxpoly/active.c
+++ b/lib/gfxpoly/active.c
@@ -32,7 +32,7 @@ void actlist_dump(actlist_t*a, int32_t y)
         fprintf(stderr, "[%d]", s->nr);
         s = s->right;
         if(s) fprintf(stderr, " ");
-        else fprintf(stderr, "\n");
+        else fprintf(stderr, " y=%d\n", y);
     }
 }
 void actlist_verify(actlist_t*a, int32_t y)
@@ -46,7 +46,7 @@ void actlist_verify(actlist_t*a, int32_t y)
                 /* we need to re-evaluate the x of the previous segment. if we
                    try to store it, it might end up being converted to a double,
                    which will make it non-equal to (and possibly larger than) the
-                   "long double" the FPU has in it's register. This only happens
+                   "long double" the FPU has in its register. This only happens
                    when compiler optimizations are turned on. */
                 assert((XPOS(s, y) - XPOS(l, y)) >= 0);
                 assert(XDIFF(s,l,y) >= 0);
@@ -95,6 +95,7 @@ segment_t* actlist_find(actlist_t*a, point_t p1, point_t p2)
        //double d = cmp(t, p1, p2);
        double d = single_cmp(t, p1);
        if(d>=0 && to_the_left) {
+           actlist_dump(a, p1.y);
            segment_t*s = a->list;
            while(s) {
                fprintf(stderr, "[%d] %f/%f (%d,%d) -> (%d,%d)\n", s->nr,
@@ -148,6 +149,7 @@ segment_t* actlist_find(actlist_t*a, point_t p1, point_t p2)
     }
 #endif
 
+    /* this can be optimized for (is not needed in) normal mode (as opposed to horizontal postprocess mode) */
     segment_t*out = last;
     if(d<0 || (d==0 && LINE_EQ(p2,last)<0)) {
        last = last->left;