Simple interface working

1 files changed, 56 insertions, 0 deletions

diff --git a/Week11 Mandelbrot/src/com/camilstaps/mandelbrot/MandelbrotController.java b/Week11 Mandelbrot/src/com/camilstaps/mandelbrot/MandelbrotController.java
new file mode 100644
index 0000000..930d589
--- /dev/null
+++ b/Week11 Mandelbrot/src/com/camilstaps/mandelbrot/MandelbrotController.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2015 Camil Staps
+ */
+package com.camilstaps.mandelbrot;
+
+import fractals.Grid;
+import fractals.Mandelbrot;
+
+/**
+ *
+ * @author camilstaps
+ */
+public class MandelbrotController {
+    
+    private final MandelbrotProvider mandelbrotProvider;
+    private final Grid grid;
+    
+    public MandelbrotController(MandelbrotProvider mp, Grid grid) {
+        mandelbrotProvider = mp;
+        this.grid = grid;
+    }
+    
+    public void redraw() {
+        double centerX = mandelbrotProvider.getCenterX();
+        double centerY = mandelbrotProvider.getCenterY();
+        double scale = mandelbrotProvider.getScale();
+        int repetitions = mandelbrotProvider.getRepetitions();
+        
+        int grid_w = grid.getWidth(), grid_h = grid.getHeight();
+        
+        double min_x = centerX - grid_w / scale / 2,
+                max_x = centerX + grid_w / scale / 2,
+                min_y = centerY - grid_h / scale / 2,
+                max_y = centerX + grid_h / scale / 2;
+        
+        for (float i = 0; i < grid_w; i++) {
+            for (float j = 0; j < grid_h; j++) {
+                int grayscale = Mandelbrot.mandelNumber(
+                        min_x + (i / grid_w) * (max_x - min_x), 
+                        min_y + (j / grid_h) * (max_y - min_y),
+                        repetitions
+                ) * 255 / repetitions;
+                int[] color = {grayscale, grayscale, grayscale};
+                grid.setPixel((int) i, (int) j, color);
+            }               
+        }
+    }
+    
+    public interface MandelbrotProvider {
+        public double getCenterX();
+        public double getCenterY();
+        public double getScale();
+        public int getRepetitions();
+    }
+    
+}