i&m: add operations

2 files changed, 22 insertions, 0 deletions

diff --git a/Year_2/IandM/replication2x/data/lena.png b/Year_2/IandM/replication2x/data/lena.png
new file mode 100644
index 0000000..59ef68a
--- /dev/null
+++ b/Year_2/IandM/replication2x/data/lena.png
diff --git a/Year_2/IandM/replication2x/replication2x.pde b/Year_2/IandM/replication2x/replication2x.pde
new file mode 100644
index 0000000..dc1d162
--- /dev/null
+++ b/Year_2/IandM/replication2x/replication2x.pde
@@ -0,0 +1,22 @@
+void setup() {
+  size(768, 512);
+  PImage img = loadImage("lena.png");
+  img.resize(256, 256);
+  image(img, 0, 0);
+  image(replication2x(img), 256, 0);
+}
+
+PImage replication2x(PImage I) {
+  PImage out = createImage(I.width*2, I.height*2, RGB);
+
+  for(int x = 0; x < I.width; ++x) {
+    for(int y = 0; y < I.height; ++y) {
+      out.set(2*x, 2*y, I.get(x, y));
+      out.set(2*x+1, 2*y, I.get(x, y));
+      out.set(2*x, 2*y+1, I.get(x, y));
+      out.set(2*x+1, 2*y+1, I.get(x, y));
+    }
+  }
+
+  return out;
+}