java/examples/Basics/Image/Pointillism/applet/Pointillism.java

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+import processing.core.*; 
+
+import java.applet.*; 
+import java.awt.*; 
+import java.awt.image.*; 
+import java.awt.event.*; 
+import java.io.*; 
+import java.net.*; 
+import java.text.*; 
+import java.util.*; 
+import java.util.zip.*; 
+import java.util.regex.*; 
+
+public class Pointillism extends PApplet {
+
+/**
+ * Pointillism
+ * by Daniel Shiffman. 
+ * 
+ * Mouse horizontal location controls size of dots. 
+ * Creates a simple pointillist effect using ellipses colored
+ * according to pixels in an image. 
+ */
+ 
+PImage a;
+
+public void setup()
+{
+  a = loadImage("eames.jpg");
+  size(200,200);
+  noStroke();
+  background(255);
+  smooth();
+}
+
+public void draw()
+{ 
+  float pointillize = map(mouseX, 0, width, 2, 18);
+  int x = PApplet.parseInt(random(a.width));
+  int y = PApplet.parseInt(random(a.height));
+  int pix = a.get(x, y);
+  fill(pix, 126);
+  ellipse(x, y, pointillize, pointillize);
+}
+
+  static public void main(String args[]) {
+    PApplet.main(new String[] { "Pointillism" });
+  }
+}