X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fdrawer.c;h=329daa8f2fb5a5778d1e9ae957da5ee9051515e5;hb=98c2aea6b4805af2151b30ddbafd9de267903e55;hp=cf19d983b45040365f77f2f4314640acb108d957;hpb=1dc4df65fd64aae9476ce35fc86e2306b2a821c3;p=swftools.git

diff --git a/lib/drawer.c b/lib/drawer.c
index cf19d98..329daa8 100644
--- a/lib/drawer.c
+++ b/lib/drawer.c
@@ -124,10 +124,11 @@ void draw_string(drawer_t*draw, const char*string)
 	}
 	else if(!strncmp(token, "circle", 6)) {
 	    int mx,my,r;
-	    double r2 = 0.70710678118654757*r;
+	    double r2;
 	    mx = atof(getToken(&p));
 	    my = atof(getToken(&p));
 	    r = atof(getToken(&p));
+	    r2 = 0.70710678118654757*r;
 	    draw_moveTo2(draw, mx, my-r);
 	    draw_conicTo2(draw, mx+r2, my-r2, mx+r, my);
 	    draw_conicTo2(draw, mx+r2, my+r2, mx, my+r);
@@ -297,12 +298,18 @@ static int approximate3(const struct cspline*s, struct qspline*q, int size, doub
 
 	/* convert control point representation to 
 	   d*x^3 + c*x^2 + b*x + a */
-
-	/* FIXME: we need to do this for the subspline between [start,end],
-	   not [0,1] */
 	dx= s->end.x  - s->control2.x*3 + s->control1.x*3 - s->start.x;
 	dy= s->end.y  - s->control2.y*3 + s->control1.y*3 - s->start.y;
 	
+	/* we need to do this for the subspline between [start,end], not [0,1] 
+	   as a transformation of t->a*t+b does nothing to highest coefficient
+	   of the spline except multiply it with a^3, we just need to modify
+	   d here. */
+	{double m = end-start;
+	 dx*=m*m*m;
+	 dy*=m*m*m;
+	}
+	
 	/* use the integral over (f(x)-g(x))^2 between 0 and 1
 	   to measure the approximation quality. 
 	   (it boils down to const*d^2)