Added runMessageLoop() and closeOnEsc() functions

Author: Florin

scripts/calcHist.coffee

@@ -51,13 +51,8 @@ for h in [0..hbins - 1]
 cv.namedWindow "H-S Histogram", 1
 cv.imshow "H-S Histogram", histImg
 
-doATick = ->
-	cv.doTick();
-	process.nextTick doATick
 
-doATick()
-
-setTimeout ->
-	process.exit -1
-, 5000
+cv.closeOnEsc()
 
+#Important on Windows, if you have windows which display stuff.
+cv.runMessageLoop()

scripts/opencv.coffee

@@ -1,5 +1,5 @@
 #This should be done in the C++ addon ?
-opencvjs = require '../build/Release/addon.node'
+opencvjs = require '../build/Debug/addon.node'
 
 _ = require 'underscore'
 cv = opencvjs.OpenCV
@@ -8,4 +8,25 @@ Mat = opencvjs.Mat
 _.extend module.exports, opencvjs
 delete module.exports.OpenCV
 
-_.extend module.exports, opencvjs.OpenCV
+_.extend module.exports, opencvjs.OpenCV
+
+#Run the message loop on windows. This is required, otherwise the window painting will not work in Windows.
+module.exports.runMessageLoop = ->
+	#I doubt this is the most efficient way to do it, but it seems to do the job for the moment
+	doTick = ->
+		cv.doTick();	#calls GetMessage(), TranslateMessage() and DispatchMessage()
+		process.nextTick doTick
+
+	if require('os').type().toLowerCase().indexOf("windows") is 0
+		doTick()
+
+
+#This is used
+module.exports.closeOnEsc = ->
+	require('keypress') process.stdin
+	process.stdin.on 'keypress', (char, key) ->
+		if key.name == 'escape'
+			console.log 'Stopping.'
+			process.exit 0
+	process.stdin.setRawMode true
+	process.stdin.resume()