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2026-05-20 01:37:36 +00:00 · 2021-09-07 13:04:48 -07:00
parent 51439f6946
commit 14d14aef51
5 changed files with 297 additions and 40 deletions
@@ -0,0 +1,77 @@
+// A wrapper class for the buffered image object that adds functionality to 
+// draw shapes.
+import java.awt.image.*;
+import javax.swing.*;
+import java.awt.*;
+
+
+public class Canvas {
+    int height;
+    int width;
+    BufferedImage image;
+    private static JFrame frame;
+    private static JLabel label;
+
+    public static void main(String[] args){
+        Canvas test = new Canvas(500, 500, 255, 255, 255, 255);
+        int radius = 100;
+        int x = 250;
+        int y = 250;
+        int a = 255;
+
+        for(int i = 0; i < 50000; i++){
+            int r = (int) (Math.random() * 256);
+            int g = (int) (Math.random() * 256);
+            int b = (int) (Math.random() * 256);
+            test.drawSquare(radius, x, y, r, g, b, a);
+            test.display();
+        }
+    }
+
+    public Canvas(int height, int width, int r, int g, int b, int a){
+        this.height = height;
+        this.width = width;
+        this.image = new BufferedImage(height, width, BufferedImage.TYPE_INT_ARGB);
+    }
+
+    public void display(){
+        if(frame==null){
+            frame=new JFrame();
+            frame.setTitle("stained_image");
+            frame.setSize(image.getWidth(), image.getHeight());
+            frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+            label=new JLabel();
+            label.setIcon(new ImageIcon(image));
+            frame.getContentPane().add(label,BorderLayout.CENTER);
+            frame.setLocationRelativeTo(null);
+            frame.pack();
+            frame.setVisible(true);
+        }else label.setIcon(new ImageIcon(this.image));
+    }
+
+    public void setPixel(int x, int y, int r, int g, int b, int a){
+        int p = (a<<24) | (r<<16) | (g<<8) | b;
+        this.image.setRGB(x, y, p);
+    }
+
+    public void drawSquare(int radius, int x, int y, int r, int g, int b, int a){
+        for(int sign = 0; sign < 4; sign ++){
+            for(int offsetY = 0; offsetY < radius; offsetY ++){
+                for(int offsetX = 0; offsetX < radius; offsetX ++ ){
+                    int xPoint = offsetX;
+                    int yPoint = offsetY;
+                    switch(sign){
+                        case 0: xPoint = xPoint * - 1;
+                                break;
+                        case 1: yPoint = yPoint * -1;
+                                break;
+                        case 2: xPoint = xPoint * -1;
+                                yPoint = yPoint * -1;
+                                break;
+                    }
+                    this.setPixel(x + xPoint, y + yPoint, r, g, b, a);
+                }
+            }
+        }
+    }
+}