color picker thingie

1 files changed, 4 insertions, 1 deletions

diff --git a/public/assets/javascripts/util.js b/public/assets/javascripts/util.js
index b92dcf3..7812a4d 100644
--- a/public/assets/javascripts/util.js
+++ b/public/assets/javascripts/util.js
@@ -12,7 +12,10 @@ function sanitize (s){ return (s || "").replace(new RegExp("[<>&]", 'g'), "") }
 function capitalize (s){ return s.split(" ").map(capitalizeWord).join(" ") }
 function capitalizeWord (s){ return s.charAt(0).toUpperCase() + s.slice(1) }
 function slugify (s){ return (s || "").toLowerCase().replace(/\s/g,"-").replace(/[^-_a-zA-Z0-9]/g, '-').replace(/-+/g,"-") }
-
+function rgb_string (rgb) { return "rgb(" + rgb.map(Math.round).join(",") + ")" }
+function rgba_string (rgb,a) { return "rgba(" + rgb.map(Math.round).join(",") + "," + a + ")" }
+function hex_string (rgb) { return "#" + rgb.map(Math.round).map(function(n){ var s = n.toString(16); return s.length == 1 ? "0"+s : s }).join("") }
+function parse_rgba_string (s) { return s.match(/(\d+)/g).slice(0,3) }
 
 var E = Math.E
 var PI = Math.PI