add rounded corners test

1 files changed, 81 insertions, 0 deletions

diff --git a/apcs/block.java b/apcs/block.java
new file mode 100644
index 0000000..cf3d31f
--- /dev/null
+++ b/apcs/block.java
@@ -0,0 +1,81 @@
+package apcs;
+
+import java.awt.Dimension;
+import java.awt.EventQueue;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.RenderingHints;
+import java.awt.geom.Path2D;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.UIManager;
+import javax.swing.UnsupportedLookAndFeelException;
+
+//
+
+public class block {
+
+    public static void main(String[] args) {
+        new block();
+    }
+
+    public block() {
+        EventQueue.invokeLater(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
+                } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
+                    ex.printStackTrace();
+                }
+
+                JFrame frame = new JFrame("Testing");
+                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+                frame.add(new TestPane());
+                frame.pack();
+                frame.setLocationRelativeTo(null);
+                frame.setVisible(true);
+            }
+        });
+    }
+
+    public class TestPane extends JPanel {
+
+        private RightEnd rightEnd;
+
+        public TestPane() {
+            rightEnd = new RightEnd(100, 100, 40);
+        }
+
+        @Override
+        public Dimension getPreferredSize() {
+            return new Dimension(100, 100);
+        }
+
+        @Override
+        protected void paintComponent(Graphics g) {
+            super.paintComponent(g);
+            int x = (getWidth() - 100) / 2;
+            int y = (getHeight()- 100) / 2;
+            Graphics2D g2d = (Graphics2D) g.create();
+            g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+            g2d.translate(x, y);
+            g2d.fill(rightEnd);
+            g2d.dispose();
+        }
+
+    }
+
+    public class RightEnd extends Path2D.Float {
+
+        public RightEnd(float width, float height, float radius) {
+            moveTo(0, 0);
+            lineTo(width - radius, 0);
+            curveTo(width, 0, width, 0, width, radius);
+            lineTo(width, height - radius);
+            curveTo(width, height, width, height, width - radius, height);
+            lineTo(0, height);
+            closePath();
+        }
+    }
+}