From 1034576bfe3b56f166c65373968c3b1358181bef Mon Sep 17 00:00:00 2001
From: Matthew Butterick <mb@mbtype.com>
Date: Sat, 13 May 2017 18:45:17 -0700
Subject: [PATCH] restrict numerical precision

---
 pitfall/pitfall/kit/vector.rkt |  5 +++--
 pitfall/pktest/test1rkt.pdf    | 18 +++++++++---------
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/pitfall/pitfall/kit/vector.rkt b/pitfall/pitfall/kit/vector.rkt
index f99c6c01..f8004f5d 100644
--- a/pitfall/pitfall/kit/vector.rkt
+++ b/pitfall/pitfall/kit/vector.rkt
@@ -42,7 +42,8 @@
 
     (public [@bezierCurveTo bezierCurveTo])
     (define (@bezierCurveTo cp1x cp1y cp2x cp2y x y)
-      (send this addContent (format "~a ~a ~a ~a ~a ~a c" cp1x cp1y cp2x cp2y x y)))
+      (send this addContent (format "~a c"
+                                    (string-join (map number (list cp1x cp1y cp2x cp2y x y)) " "))))
 
 
     (public [@ellipse ellipse])
@@ -115,7 +116,7 @@
         [(list (? number? xFactor)) (@scale xFactor (mhash))]
         [(list (? number? xFactor) (? hash? options)) (@scale xFactor xFactor options)]
         [(list (? number? xFactor) (? number? yFactor)) (@scale xFactor yFactor (mhash))]
-         [(list (? number? xFactor) (? number? yFactor) (? hash? options))
+        [(list (? number? xFactor) (? number? yFactor) (? hash? options))
          (define x 0) (define y 0)
          (when (hash-ref options 'origin #f)
            (match-define (list x y) (hash-ref options 'origin))
diff --git a/pitfall/pktest/test1rkt.pdf b/pitfall/pktest/test1rkt.pdf
index 203d2f78..5f685a21 100644
--- a/pitfall/pktest/test1rkt.pdf
+++ b/pitfall/pktest/test1rkt.pdf
@@ -16,7 +16,7 @@ endobj
 endobj
 3 0 obj
 <<
-/Length 344
+/Length 280
 >>
 stream
 1 0 0 -1 0 792 cm
@@ -29,10 +29,10 @@ q
 
 f
 230 200 m
-230 172.38576250846032 252.38576250846032 150 280 150 c
-307.61423749153965 150 330 172.38576250846032 330 200 c
-330 227.61423749153968 307.61423749153965 250 280 250 c
-252.38576250846032 250 230 227.61423749153968 230 200 c
+230 172.385763 252.385763 150 280 150 c
+307.614237 150 330 172.385763 330 200 c
+330 227.614237 307.614237 250 280 250 c
+252.385763 250 230 227.614237 230 200 c
 h
 /DeviceRGB cs
 0.4 0 1 scn
@@ -64,12 +64,12 @@ endobj
 xref
 0 7
 0000000000 65535 f 
-0000000730 00000 n 
-0000000681 00000 n 
+0000000666 00000 n 
+0000000617 00000 n 
 0000000186 00000 n 
 0000000119 00000 n 
 0000000015 00000 n 
-0000000581 00000 n 
+0000000517 00000 n 
 trailer
 <<
 /Info 6 0 R
@@ -77,5 +77,5 @@ trailer
 /Size 7
 >>
 startxref
-787
+723
 %%EOF