16. 5. 3. 改变Stroke厚度-Changing the Thickness of the Stroking Pen

import java.awt.BasicStroke; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.Rectangle; import java.awt.TexturePaint; import java.awt.image.BufferedImage; import javax.swing.JComponent; import javax.swing.JFrame; public class BasicDraw { BasicDraw(){ JFrame frame = new JFrame(); frame.add(new MyComponent()); frame.setSize(300, 300); frame.setVisible(true); } public static void main(String[] args) { new BasicDraw(); } } class MyComponent extends JComponent{ public void paint(Graphics g){ Graphics2D g2d = (Graphics2D) g; // float strokeThickness = 15.0f;//thickness:厚度 // BasicStroke stroke = new BasicStroke(strokeThickness); // g2d.setStroke(stroke); // g2d.draw(new Rectangle(20,20,200,200)); // int x = 10; // int y = 10; // int width = 50; // int height = 25; // BufferedImage bi = new BufferedImage(20,20,BufferedImage.TYPE_INT_RGB); // TexturePaint texture = new TexturePaint(bi,new Rectangle(x,y,width,height));//纹理 // g2d.setPaint(texture); float strokeThickness = 5.0f; float miterLimit = 10f; float[] dashPattern = { 10f }; float dashPhase = 5f; BasicStroke stroke = new BasicStroke(strokeThickness, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, miterLimit, dashPattern, dashPhase);//虚线 g2d.setStroke(stroke); g2d.draw(new Rectangle(20,20,200,200)); } }