java打印组件_Java实现打印功能-AWT Graphics2D

àì夳堔傛蜴生んèń 2022-11-02 15:30 237阅读 0赞

importjava.awt.BasicStroke;importjava.awt.Color;importjava.awt.Component;importjava.awt.Font;importjava.awt.Graphics;importjava.awt.Graphics2D;importjava.awt.Image;importjava.awt.Toolkit;importjava.awt.RenderingHints;importjava.awt.font.FontRenderContext;importjava.awt.font.LineBreakMeasurer;importjava.awt.font.TextAttribute;importjava.awt.font.TextLayout;importjava.awt.geom.Point2D;importjava.awt.image.BufferedImage;importjava.awt.print.Book;importjava.awt.print.PageFormat;importjava.awt.print.Paper;importjava.awt.print.Printable;importjava.awt.print.PrinterException;importjava.awt.print.PrinterJob;importjava.text.AttributedString;importjavax.swing.JApplet;public class PrintTest1 implementsPrintable\{/\*\*\*@paramGraphic指明打印的图形环境

\*@paramPageFormat指明打印页格式(页面大小以点为计量单位，1点为1英才的1/72，1英寸为25.4毫米。A4纸大致为595×842点)

\*@parampageIndex指明页号

\*\*/

public int print(Graphics gra, PageFormat pf, int pageIndex) throwsPrinterException \{

System.out.println("pageIndex="+pageIndex);

Component c= null;//print string

String str = "中华民族是勤劳、勇敢和富有智慧的伟大民族。";//转换成Graphics2D

Graphics2D g2 =(Graphics2D) gra;//设置打印颜色为黑色

g2.setColor(Color.black);/\*Paper paper = pf.getPaper();//得到页面格式的纸张

paper.setSize(500,500);//纸张大小

paper.setImageableArea(0,0,500,500); //设置打印区域的大小

System.out.println(paper.getWidth());

System.out.println(paper.getHeight());

pf.setPaper(paper);//将该纸张作为格式\*/

//打印起点坐标

double x =pf.getImageableX();double y =pf.getImageableY();switch(pageIndex)\{case 0://设置打印字体(字体名称、样式和点大小)(字体名称可以是物理或者逻辑名称)//Java平台所定义的五种字体系列：Serif、SansSerif、Monospaced、Dialog 和 DialogInput

Font font = new Font("新宋体", Font.PLAIN, 9);

g2.setFont(font);//设置字体//BasicStroke bs\_3=new BasicStroke(0.5f);

float\[\] dash1 = \{4.0f\};

g2.setStroke(new BasicStroke(0.5f, BasicStroke.CAP\_BUTT, BasicStroke.JOIN\_MITER, 4.0f, dash1, 0.0f));float heigth = font.getSize2D();//字体高度

System.out.println("x="+x);//使用抗锯齿模式完成文本呈现

/\*g2.setRenderingHint(RenderingHints.KEY\_TEXT\_ANTIALIASING,

RenderingHints.VALUE\_TEXT\_ANTIALIAS\_ON);\*/

//-1- 用Graphics2D直接输出//首字符的基线(右下部)位于用户空间中的 (x, y) 位置处//g2.drawLine(10,10,200,10);

Image src= Toolkit.getDefaultToolkit().getImage("d://logo.gif");

g2.drawImage(src,(int)x,(int)y,c);int img\_Height=src.getHeight(c);int img\_width=src.getWidth(c);//System.out.println("img\_Height="+img\_Height+"img\_width="+img\_width) ;

g2.drawString(str, (float)x, (float)y+1\*heigth+img\_Height);

g2.drawLine((int)x,(int)(y+1\*heigth+img\_Height+10),(int)x+200,(int)(y+1\*heigth+img\_Height+10));

g2.drawImage(src,(int)x,(int)(y+1\*heigth+img\_Height+11),c);//-2- 直接构造TextLayout打印

/\*FontRenderContext frc = g2.getFontRenderContext();

TextLayout layout = new TextLayout(str, font, frc);

layout.draw(g2, (float)x, (float)y+2\*heigth);\*/

//-3- 用LineBreakMeasurer进行打印

/\*AttributedString text = new AttributedString(str);

text.addAttribute(TextAttribute.FONT, font);

LineBreakMeasurer lineBreaker = new LineBreakMeasurer(text.getIterator(), frc);

//每行字符显示长度(点)

double width = pf.getImageableWidth();