new polygon renderer: fixed numerical issues

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

diff --git a/lib/gfxpoly/convert.c b/lib/gfxpoly/convert.c
index 5615612..aea0a17 100644 (file)
--- a/lib/gfxpoly/convert.c
+++ b/lib/gfxpoly/convert.c
@@ -1,18 +1,17 @@
 #include <stdlib.h>
 #include <math.h>
-#include <assert.h>
 #include <string.h>
 #include "../gfxdevice.h"
+#include "../mem.h"
 #include "poly.h"
 
 static edge_t*edge_new(int x1, int y1, int x2, int y2)
 {
-    edge_t*s = malloc(sizeof(edge_t));
+    edge_t*s = rfx_calloc(sizeof(edge_t));
     s->a.x = x1;
     s->a.y = y1;
     s->b.x = x2;
     s->b.y = y2;
-    s->next = 0;
     return s;
 }
 
@@ -29,7 +28,7 @@ static inline void gfxpoly_add_edge(gfxpoly_t*poly, double _x1, double _y1, doub
     }
 }
 
-gfxpoly_t* gfxpoly_fillToPoly(gfxline_t*line, double gridsize)
+gfxpoly_t* gfxpoly_from_gfxline(gfxline_t*line, double gridsize)
 {
     gfxpoly_t*p = gfxpoly_new(gridsize);
 
@@ -105,6 +104,7 @@ gfxpoly_t* gfxpoly_from_file(const char*filename, double gridsize)
         return 0;
     }
     int count = 0;
+    double g = 0;
     double lastx=0,lasty=0;
     while(1) {
         char*line = readline(fi);
@@ -125,10 +125,16 @@ gfxpoly_t* gfxpoly_from_file(const char*filename, double gridsize)
             }
             lastx = x;
             lasty = y;
+        } else if(sscanf(line, "%% gridsize %lf", &g) == 1) {
+            p->gridsize = g;
         }
         free(line);
     }
     fclose(fi);
-    printf("loaded %d points from %s\n", count, filename);
+    if(g) {
+        printf("loaded %d points from %s (gridsize %f)\n", count, filename, g);
+    } else {
+        printf("loaded %d points from %s\n", count, filename);
+    }
     return p;
 }