From 11a9840840fe74574ed259b3546c412a0659ec0d Mon Sep 17 00:00:00 2001
From: Santo Cariotti <santo@dcariotti.me>
Date: Thu, 18 Feb 2021 21:37:27 +0100
Subject: i&m: value on keypressed

---
 Year_2/IandM/median/median.pde | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

(limited to 'Year_2/IandM/median')

diff --git a/Year_2/IandM/median/median.pde b/Year_2/IandM/median/median.pde
index 856e50e..a6fbbac 100644
--- a/Year_2/IandM/median/median.pde
+++ b/Year_2/IandM/median/median.pde
@@ -1,11 +1,24 @@
+int k = 1;
+
 void setup() {
   size(512, 256);
+}
+
+void draw() {
   PImage img = loadImage("lena.png");
   img.resize(256, 256);
   img.filter(GRAY);
 
   image(img, 0, 0);
-  image(median(img, 11), 256, 0);
+  image(median(img, k), 256, 0);
+}
+
+void keyPressed() {
+  if (key == '+') {
+    k++;
+  } else if (key == '-') {
+    k--;
+  }
 }
 
 PImage median(PImage I, int n) {
@@ -18,17 +31,17 @@ PImage median(PImage I, int n) {
       PImage t = I.get(x-off, y-off, n, n);
       float[] tarr = new float[n*n];
       t.loadPixels();
-      
-      for(int i = 0; i < t.pixels.length; ++i) {
+
+      for (int i = 0; i < t.pixels.length; ++i) {
         tarr[i] = red(t.pixels[i]);
       }
-      
+
       tarr = sort(tarr);
       float med = tarr[(n*n)/2];
-      if((n*n)%2 == 0) {
+      if ((n*n)%2 == 0) {
         med = (med+tarr[(n*n)/2-1])/2;
       }
-      
+
       out.set(x, y, color(med));
     }
   }
-- 
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