From 9f3851871ed6edb544dfe5b518bff0121d6c020b Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@swtch.com>
Date: Sun, 25 Nov 2012 22:15:57 -0500
Subject: libdraw: add scalesize

R=rsc
http://codereview.appspot.com/6855092
---
 src/libdraw/init.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src')

diff --git a/src/libdraw/init.c b/src/libdraw/init.c
index c698ec68..b2df7fd7 100644
--- a/src/libdraw/init.c
+++ b/src/libdraw/init.c
@@ -428,3 +428,10 @@ bufimage(Display *d, int n)
 	return p;
 }
 
+int
+scalesize(Display *d, int n)
+{
+	if(d == nil || d->dpi <= DefaultDPI)
+		return n;
+	return (n*d->dpi+DefaultDPI/2)/DefaultDPI;
+}
-- 
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