importjava.awt.Color;importjava.awt.Graphics2D;importjava.awt.image.BufferedImage;importjava.io.File;importjava.io.IOException;importjavax.imageio.ImageIO;importorg.apache.log4j.Logger;/*** 图片合成工具类
**/
public classPictureSynthesisUtil {private static Logger logger = Logger.getLogger(PictureSynthesisUtil.class);/*** 签名合成，图片坐标系左上角为(0，0)
*
*@paramimgPath 图片路径
*@paramsignaturePath 签名图片路径
*@paramoutFilePath 合成后图片路径
*@paramxPlace 签名图片放置的x坐标
*@paramyPlace 签名图片放置的y坐标
*@return是否合成成功
*@throwsIOException*/
public static Boolean signatureSynthesis(String imgPath, String signaturePath, String outFilePath, intxPlace,int yPlace) throwsException {
logger.info("进入签名合成方法");
BufferedImage backImg= ImageIO.read(newFile(imgPath));
BufferedImage signatureImg= ImageIO.read(newFile(signaturePath));
File outFile= newFile(outFilePath);//假如目标路径不存在,则新建该路径
if (!outFile.getParentFile().exists()) {
logger.info("合成后图片目标路径不存在,新建该路径");
outFile.getParentFile().mkdirs();
}//假如目标文件不存在,则新建该文件
if (!outFile.exists()) {
logger.info("合成后图片目标文件不存在,新建该文件");
outFile.createNewFile();
}
Graphics2D backG=backImg.createGraphics();
logger.info("开始合成签名");
backG.drawImage(signatureImg, xPlace, yPlace, signatureImg.getWidth(), signatureImg.getHeight(),null);
backG.dispose();
ImageIO.write(backImg,"png", newFile(outFilePath));
logger.info("合成签名完成");return true;
}/*** 签名合成，图片坐标系左上角为(0，0)
*
*@paramimgPath 图片路径
*@paramsignaturePath 签名图片路径
*@paramoutFilePath 合成后图片路径
*@paramxPlace 签名图片放置的x坐标
*@paramyPlace 签名图片放置的y坐标
*@paramsignatureWidth 签名图片的宽
*@paramsignatureHeight 签名图片的高
*@return是否合成成功
*@throwsIOException*/
public static Boolean signatureSynthesis(String imgPath, String signaturePath, String outFilePath, intxPlace,int yPlace,int signatureWidth,int signatureHeight ) throwsException {
logger.info("进入签名合成方法");
BufferedImage backImg= ImageIO.read(newFile(imgPath));
BufferedImage signatureImg= ImageIO.read(newFile(signaturePath));
File outFile= newFile(outFilePath);//假如目标路径不存在,则新建该路径
if (!outFile.getParentFile().exists()) {
logger.info("合成后图片目标路径不存在,新建该路径");
outFile.getParentFile().mkdirs();
}//假如目标文件不存在,则新建该文件
if (!outFile.exists()) {
logger.info("合成后图片目标文件不存在,新建该文件");
outFile.createNewFile();
}
Graphics2D backG=backImg.createGraphics();
logger.info("开始合成签名");
backG.drawImage(signatureImg, xPlace, yPlace, signatureWidth, signatureHeight,null);
backG.dispose();
ImageIO.write(backImg,"png", newFile(outFilePath));
logger.info("合成签名完成");return true;
}/*** 获取inputFilePath的后缀名，如："e:/test.pptx"的后缀名为："pptx"
*
*@paraminputFilePath
*@return
*/
public staticString getPostfix(String inputFilePath) {return inputFilePath.substring(inputFilePath.lastIndexOf(".") + 1);
}
}
