From: Martin Mares <mj@ucw.cz>
Date: Fri, 6 Apr 2018 20:27:01 +0000 (+0200)
Subject: Better formatting of PDF numbers
X-Git-Tag: v0.1~12
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=954187d247a71d34fa3db2bea80372d79cec5add;p=paperjam.git

Better formatting of PDF numbers
---

diff --git a/pdf-tools.cc b/pdf-tools.cc
index 4c10313..68a8f8c 100644
--- a/pdf-tools.cc
+++ b/pdf-tools.cc
@@ -205,7 +205,12 @@ QPDFObjectHandle page_to_xobject(QPDF *out, QPDFObjectHandle page)
 
 string pdf_coord(double x, uint digits)
 {
-  char buf[16];
-  snprintf(buf, sizeof(buf), "%.*f", digits, x);
-  return buf;
+	char buf[16];
+	snprintf(buf, sizeof(buf), "%.*f", digits, x);
+	int n = strlen(buf);
+	while (n > 0 && buf[n-1] == '0')
+		buf[--n] = 0;
+	if (n > 0 && buf[n-1] == '.')
+		buf[--n] = 0;
+	return buf;
 }