X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fratio.cc;h=a6ebad14117542443e3fd704b35ca7cacdfbebd3;hb=e60bb3e51bd1508b149e6b8f6608f09b5196ae26;hp=fc36415c50638e161e73c8bd1df1ed19d3e01e99;hpb=946dbad9821e676f1d8fdc5abba459da54b8e84c;p=dcpomatic.git

diff --git a/src/lib/ratio.cc b/src/lib/ratio.cc
index fc36415c5..a6ebad141 100644
--- a/src/lib/ratio.cc
+++ b/src/lib/ratio.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -17,9 +17,10 @@
 
 */
 
-#include <dcp/types.h>
 #include "ratio.h"
 #include "util.h"
+#include <dcp/types.h>
+#include <cfloat>
 
 #include "i18n.h"
 
@@ -33,8 +34,7 @@ Ratio::setup_ratios ()
 {
 	_ratios.push_back (new Ratio (float(1290) / 1080, "119", _("1.19"), "119"));
 	_ratios.push_back (new Ratio (float(1440) / 1080, "133", _("4:3"), "133"));
-	_ratios.push_back (new Ratio (float(1480) / 1080, "137", _("Academy"), "137"));
-	_ratios.push_back (new Ratio (float(1485) / 1080, "138", _("1.375"), "137"));
+	_ratios.push_back (new Ratio (float(1485) / 1080, "138", _("Academy"), "137"));
 	_ratios.push_back (new Ratio (float(1800) / 1080, "166", _("1.66"), "166"));
 	_ratios.push_back (new Ratio (float(1920) / 1080, "178", _("16:9"), "178"));
 	_ratios.push_back (new Ratio (float(1998) / 1080, "185", _("Flat"), "F"));
@@ -45,6 +45,11 @@ Ratio::setup_ratios ()
 Ratio const *
 Ratio::from_id (string i)
 {
+	/* We removed the ratio with id 137; replace it with 138 */
+	if (i == "137") {
+		i = "138";
+	}
+
 	vector<Ratio const *>::iterator j = _ratios.begin ();
 	while (j != _ratios.end() && (*j)->id() != i) {
 		++j;
@@ -72,4 +77,20 @@ Ratio::from_ratio (float r)
 
 	return *j;
 }
-   
+
+Ratio const *
+Ratio::nearest_from_ratio (float r)
+{
+	Ratio const * nearest = 0;
+	float distance = FLT_MAX;
+
+	for (vector<Ratio const *>::iterator i = _ratios.begin (); i != _ratios.end(); ++i) {
+		float const d = fabs ((*i)->ratio() - r);
+		if (d < distance) {
+			distance = d;
+			nearest = *i;
+		}
+	}
+
+	return nearest;
+}