java绘制默认字体

import java.awt.Color;
import java.awt.Font;
import java.awt.font.FontRenderContext;
import java.awt.geom.AffineTransform;

/**
 * @Author zyh
 * @Date 2020/10/9 18:36
 */
public class SwingUtil {

    private static AffineTransform atf = new AffineTransform();

    private static FontRenderContext frc = new FontRenderContext(atf, true,
            true);

    public static int getStringHeight(String str, Font font) {
        if (str == null || str.isEmpty() || font == null) {
            return 0;
        }
        return (int) font.getStringBounds(str, frc).getHeight();

    }

    public static int getStringWidth(String str, Font font) {
        if (str == null || str.isEmpty() || font == null) {
            return 0;
        }
        return (int) font.getStringBounds(str, frc).getWidth();
    }

    /**
     * 将形如“#FFFFFF”的颜色转换成Color
     *
     * @param hex
     * @return
     */
    public static Color getColorFromHex(String hex) {
        if (hex == null || hex.length() != 7) {
            try {
                throw new Exception("不能转换这种类型的颜色");
            } catch (Exception e) {
                e.printStackTrace();
                return null;
            }
        }
        int r = Integer.valueOf(hex.substring(1, 3), 16);
        int g = Integer.valueOf(hex.substring(3, 5), 16);
        int b = Integer.valueOf(hex.substring(5), 16);
        return new Color(r, g, b);
    }



}








import javax.swing.*;
import java.awt.*;

/**
 * 自定义字体，读取pdf中的字体
 * @Author zyh
 * @Date 2020/10/9 16:17
 */
public class Window extends JFrame {

    //private String name="Helvetica";
    //private String name="黑体";
    private String name="Consolas";

    private String string="你好，世界！";

    private String title="示例窗口";

    public Window(){

    }

    /*public Window(String name){
        this.name=name;
    }*/

    public Window(String name,String string){
        this.name=name;
        this.string=string;
    }

    public Window(String string){
        this.string=string;
    }

    public Window(String name,String string,String title){
        this.name=name;
        this.string=string;
        this.title=title;
    }

    public void init(){
        this.setTitle(title);
        this.setSize(800,400);
        this.setLocation(800,200);
        this.setVisible(true);
        //this.setVisible(false);

        Font f1 = new Font(name,Font.PLAIN,15);
        this.setFont(f1);
    }

    public void paint(Graphics graphics){
        super.paint(graphics);
        graphics.drawString(string,100,100);
        //graphics.drawString(string,100,100);

        Font f1 = new Font(name,Font.PLAIN,15);
        int stringWidth = SwingUtil.getStringWidth(string, f1);
        int stringHeight = SwingUtil.getStringHeight(string, f1);

        System.out.println("name:"+name+",w:"+stringWidth+",h:"+stringHeight);

        /*int stringWidth = graphics.getFontMetrics().stringWidth(string);
        System.out.println("name:"+name+",w:"+stringWidth);*/
    }

    public void destroy(){

        this.dispose();//关闭窗口

    }

    public static void main(String[] args) throws InterruptedException {

        /*Window w=new Window();
        w.init();*/

        String s="Beijing * Gate ကို ကျွန်မ ချစ်တယ်၊ * Gate မှာ နေထွက်တယ်။";
        //String s="hello,world!";

        /*GraphicsEnvironment e = GraphicsEnvironment.getLocalGraphicsEnvironment();
        String[] fontName = e.getAvailableFontFamilyNames();
        System.out.println("fontName.length:"+fontName.length);
        for (int i = 0; i < fontName.length; i++) {
            System.out.println("i:"+i+","+fontName[i]);

            Thread.sleep(1000*1);

            Window window=new Window(fontName[i],s,fontName[i]);
            window.init();

            Thread.sleep(1000*1);

            window.destroy();

        }*/

        String a="Jag älskar Pekings Himmelska Port, solen går upp mot Himmelska fridens port!";
        String b="hello";
        Window window=new Window("Myanmar Text",a);
        window.init();

        Thread.sleep(1000*60);

        window.destroy();

        /*GraphicsEnvironment e = GraphicsEnvironment.getLocalGraphicsEnvironment();
        String[] fontName = e.getAvailableFontFamilyNames();
        System.out.println("fontName.length:"+fontName.length);
        for (int i = 0; i < fontName.length; i++) {
            System.out.println("i:"+i+","+fontName[i]);
        }*/



    }


}