資源簡介
java實現圖片的打印功能,本代碼打印的是75*75的二維碼,紙張大小定義為120*83,A4紙等請自行定義
代碼片段和文件信息
package?domain;
import?java.awt.Color;
import?java.awt.Component;
import?java.awt.Graphics;
import?java.awt.Graphics2D;
import?java.awt.Image;
import?java.awt.image.BufferedImage;
import?java.awt.print.Book;
import?java.awt.print.PageFormat;
import?java.awt.print.Paper;
import?java.awt.print.Printable;
import?java.awt.print.PrinterException;
import?java.awt.print.PrinterJob;
import?java.io.FileInputStream;
import?java.io.FileNotFoundException;
import?java.io.IOException;
import?javax.imageio.ImageIO;
public?class?PrintTest?implements?Printable?{
/**
?*?@param?Graphic指明打印的圖形環境
?*?@param?PageFormat指明打印頁格式
?*????????????(頁面大小以點為計量單位,1點為1英才的1/72,1英寸為25.4毫米。A4紙大致為595×842點)
?*?@param?pageIndex指明頁號
?**/
//?private?final?static?int?POINTS_PER_INCH?=?32;
public?int?print(Graphics?gra?PageFormat?pf
int?pageIndex)
throws?PrinterException?{
System.out.println(“pageIndex=“?+?pageIndex);
Component?c?=?null;
//?轉換成Graphics2D
Graphics2D?g2?=?(Graphics2D)?gra;
//?設置打印顏色為黑色
g2.setColor(Color.black);
//?打印起點坐標
double?x?=?pf.getImageableX();
double?y?=?pf.getImageableY();
switch?(pageIndex)?{
case?0:
System.out.println(“x=“?+?x);
Image?img?=?null;
//?img?=?Toolkit
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