package cn.gistack.sm.skPanorama.utils;
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import java.io.File;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Iterator;
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import org.im4java.core.ConvertCmd;
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import org.im4java.core.IM4JavaException;
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import org.im4java.core.IMOperation;
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import org.im4java.core.Info;
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import org.im4java.core.InfoException;
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import org.im4java.process.ProcessStarter;
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import org.springframework.boot.system.ApplicationHome;
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import org.springframework.util.ClassUtils;
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import org.springframework.util.ResourceUtils;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageReader;
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import javax.imageio.stream.ImageInputStream;
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import static java.awt.SystemColor.info;
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public class Img4JavaUtil {
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static {
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//判断是否是windows系统
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if(OSinfo.isWindows()) {
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System.out.println("------------ START 初始化ImageMagickPath -------------");
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ProcessStarter.setGlobalSearchPath("D:/im4java/ImageMagick-7.1.1-Q16-HDRI");
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System.out.println("------------ END 初始化ImageMagickPath -------------");
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} else if (OSinfo.isLinux()) {
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System.out.println("------------ START 初始化ImageMagickPath -------------");
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// ProcessStarter.setGlobalSearchPath("D:/im4java/ImageMagick-7.1.1-Q16-HDRI");
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System.out.println("------------ END 初始化ImageMagickPath -------------");
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}
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}
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/**
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* 裁剪图片
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* @param inImgPath 源图片地址
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* @param outImgPath 目标图片地址
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* @param width 宽
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* @param height 高
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* @param x 起点横坐标
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* @param y 起点纵坐标
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* @throws IOException
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* @throws InterruptedException
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* @throws IM4JavaException
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*/
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public static void cropImg(String inImgPath,String outImgPath,Integer width,Integer height,Integer x,Integer y)
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throws IOException, InterruptedException, IM4JavaException{
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ConvertCmd cmd = new ConvertCmd();
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IMOperation operation = new IMOperation();
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operation.addImage(inImgPath);
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//宽 高 起点横坐标 起点纵坐标
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operation.crop(width, height, x, y);
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operation.addImage(outImgPath);
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cmd.run(operation);
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}
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/**
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* 裁剪图片
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* @param inImgPath 源图片地址
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* @param outImgPath 目标图片地址
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* @param width 宽
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* @param height 高
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* @param x 起点横坐标
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* @param y 起点纵坐标
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* @throws IOException
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* @throws InterruptedException
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* @throws IM4JavaException
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*/
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// public void cropImg(String inImgPath,String outImgPath,Integer width,Integer height,Integer x,Integer y)
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// throws IOException, InterruptedException, IM4JavaException{
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// ConvertCmd cmd = new ConvertCmd();
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// IMOperation operation = new IMOperation();
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// operation.addImage(inImgPath);
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// //宽 高 起点横坐标 起点纵坐标
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// operation.crop(width, height, x, y);
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// operation.addImage(outImgPath);
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// cmd.run(operation);
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// }
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/**
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* 裁剪中心化图片
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* @param inImgPath 源图片地址
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* @param outImgPath 目标图片地址
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* @param width 宽
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* @param height 高
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* @throws IOException
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* @throws InterruptedException
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* @throws IM4JavaException
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*/
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public void cropCenterImg(String inImgPath,String outImgPath,Integer width,Integer height) throws IOException, InterruptedException, IM4JavaException{
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ConvertCmd cmd = new ConvertCmd();
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IMOperation operation = new IMOperation();
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Info info = new Info(inImgPath);
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Integer init_width = info.getImageWidth();
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Integer init_height = info.getImageHeight();
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// 如果裁剪的宽高都大于原始图片宽高 则先等比放大再裁剪
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if(width>init_width || height>init_height){
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// 等比放大
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Integer temp_width = width;
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if(init_height<init_width){
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// 如果原图宽大于高 则以高为准放大
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temp_width = null;
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}
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operation.resize(temp_width, height);
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}
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operation.addImage(inImgPath);
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//宽 高 起点横坐标 起点纵坐标
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operation.gravity("center");
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operation.crop(width, height, 0, 0);
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operation.addImage(outImgPath);
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cmd.run(operation);
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}
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/**
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* 得到图片的信息
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* @throws InfoException
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*/
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public static String getImgInfo(String inImgPath) throws InfoException{
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Info info = new Info(inImgPath);
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// System.out.println(info.getImageHeight());
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// System.out.println(info.getImageWidth());
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return info.getImageWidth()+"x"+info.getImageHeight();
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}
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/**
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* 得到图片的信息
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* @throws InfoException
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*/
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public static HashMap<String,Integer> getImgInfoRT( File imageFile) throws IOException {
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HashMap stringHashMap = new HashMap<String,Integer>();
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try {
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ImageInputStream imageInputStream = ImageIO.createImageInputStream(imageFile);
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final Iterator<ImageReader> readers = ImageIO.getImageReaders(imageInputStream);
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if(readers.hasNext()){
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ImageReader reader = readers.next();
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reader.setInput(imageInputStream,true);
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int width = reader.getWidth(0);
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int height = reader.getHeight(0);
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stringHashMap.put("width",width);
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stringHashMap.put("height",height);
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imageInputStream.close();
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}
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} catch (IOException e) {
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System.err.println("IOException "+e.getMessage());
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}
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return stringHashMap;
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}
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/**
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* 等比缩放图片
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* @param inImgPath
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* @param outImgPath
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* @param width 宽度不为空时 以宽度为准，为空时以高度为准(不能同时为空)
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* @param height
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* @throws IOException
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* @throws InterruptedException
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* @throws IM4JavaException
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*/
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public static void resizeImg(String inImgPath,String outImgPath,Integer width,Integer height) throws IOException, InterruptedException, IM4JavaException{
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ConvertCmd cmd = new ConvertCmd();
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IMOperation operation = new IMOperation();
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operation.addImage(inImgPath);
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//等比缩放图片
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operation.resize(width, height);//高度为null则按宽度缩放
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operation.addImage(outImgPath);
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cmd.run(operation);
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}
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/**
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* 等比缩放 （使用像素平均缩小）
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* @param inImgPath
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* @param outImgPath
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* @param width
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* @param height
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* @throws IOException
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* @throws InterruptedException
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* @throws IM4JavaException
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*/
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public static void scaleImg(String inImgPath,String outImgPath,Integer width,Integer height) throws IOException, InterruptedException, IM4JavaException{
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ConvertCmd cmd = new ConvertCmd();
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IMOperation operation = new IMOperation();
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operation.addImage(inImgPath);
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//缩略图
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operation.scale(width,height);
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operation.addImage(outImgPath);
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cmd.run(operation);
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}
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/**
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* 把原图裁剪成正方形
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* @param inImgPath
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* @param operation
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* @return
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* @throws IM4JavaException
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*/
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public static IMOperation getCenterSquare(String inImgPath,IMOperation operation)throws IM4JavaException{
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Info info = new Info(inImgPath);
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Integer init_width = info.getImageWidth();
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Integer init_height = info.getImageHeight();
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if (init_width > init_height) {
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init_width = init_height;
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} else if (init_width < init_height) {
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init_height = init_width;
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}
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operation.gravity("center");
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operation.crop(init_width, init_height,0,0);
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return operation;
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}
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/**
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* 缩略图 (专门用于将非常大的图像缩小为小缩略图)
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* @param inImgPath
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* @param outImgPath
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* @param width
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* @param height
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* @param editType = c 取中心化缩略图，否则取原等比缩略图
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* @throws IOException
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* @throws InterruptedException
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* @throws IM4JavaException
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*/
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public void thumbnailImg(String inImgPath,String outImgPath,Integer width,Integer height,String editType) throws IOException, InterruptedException, IM4JavaException{
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ConvertCmd cmd = new ConvertCmd();
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IMOperation operation = new IMOperation();
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operation.addImage(inImgPath);
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//取中心化或者原图同比
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if(editType!=null && editType.equals("c")) {
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//分析宽高 先原图等比生成缩略图(缩略规则按原图大的一边为准取值)
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Info info = new Info(inImgPath);
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Integer init_width = info.getImageWidth();
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Integer init_height = info.getImageHeight();
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double width_v = (double)init_width/width;
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double height_v = (double)init_height/height;
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//原图是正方形
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/*if(init_width == init_height){
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operation.thumbnail(width,height);
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//原图是宽大于高的长方形
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}else */if(init_width >= init_height){
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if (width_v >= height_v) {
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operation.thumbnail(null,height);
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} else if (width_v < height_v) {
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operation.thumbnail(width,null);
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}
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//原图是高大于宽的长方形
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}else if(init_width < init_height){if (width_v > height_v) {
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operation.thumbnail(null,height);
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} else if (width_v <= height_v) {
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operation.thumbnail(width,null);
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}
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}
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//再中心化截图
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operation.gravity("center");
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operation.crop(width, height,0,0);
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}else{
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operation.thumbnail(width,height);
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}
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operation.addImage(outImgPath);
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cmd.run(operation);
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}
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/**
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* 旋转图片
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* @param inImgPath
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* @param outImgPath
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* @param x 旋转角度
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* @throws IOException
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* @throws InterruptedException
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* @throws IM4JavaException
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*/
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public void rotateImg(String inImgPath,String outImgPath,Double x) throws IOException, InterruptedException, IM4JavaException{
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ConvertCmd cmd = new ConvertCmd();
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IMOperation operation = new IMOperation();
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operation.addImage(inImgPath);
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operation.rotate(x);
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operation.addImage(outImgPath);
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cmd.run(operation);
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}
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/**
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* 缩略图 （原图画质缩略）
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* @param inImgPath
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* @param outImgPath
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* @param width
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* @param height
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* @param editType
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* @throws IOException
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* @throws InterruptedException
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* @throws IM4JavaException
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*/
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public void sampleImg(String inImgPath,String outImgPath,Integer width,Integer height,String editType) throws IOException, InterruptedException, IM4JavaException{
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ConvertCmd cmd = new ConvertCmd();
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IMOperation operation = new IMOperation();
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operation.addImage(inImgPath);
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//取中心化或者原图同比
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if(editType!=null && editType.equals("center")) {
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getCenterSquare(inImgPath,operation);
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}
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operation.sample(width,height);
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// operation.quality(5.0); //设置生成图片质量
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operation.addImage(outImgPath);
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cmd.run(operation);
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}
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/**
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* 将图片变成黑白图片
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* @throws IOException
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* @throws InterruptedException
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* @throws IM4JavaException
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*/
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public void monochrome(String inImgPath,String outImgPath) throws IOException, InterruptedException, IM4JavaException{
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ConvertCmd cmd = new ConvertCmd();
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IMOperation operation = new IMOperation();
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operation.addImage(inImgPath);
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operation.monochrome();
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operation.addImage(outImgPath);
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cmd.run(operation);
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}
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/**
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* 给图片加水印
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* @param: srcPath源图片路径
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*/
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public static void addImgText(String inImgPath,String outImgPath,String str)throws IOException, InterruptedException, IM4JavaException{
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IMOperation operation = new IMOperation();
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operation.font("宋体").gravity("southeast").pointsize(18).fill("#BCBFC8")
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.draw("text 5,5 "+str);
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operation.encoding("UTF-8");
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operation.addImage();
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operation.addImage();
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ConvertCmd convert = new ConvertCmd();
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convert.run(operation, inImgPath,outImgPath);
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}
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/**
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* 创建文件名称
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* @param folder
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* @param fileName
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* @return
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*/
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public static File createFile(String folder, String fileName) {
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File serverFile;
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String suffix = getSuffix(fileName);
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String destFileName = null;
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long timeMillis = System.currentTimeMillis();
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int i = 1;
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do {
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if (suffix.length() == 0) {
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destFileName = String.format("%s_%d", timeMillis, i++);
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} else {
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destFileName = String.format("%s_%d.%s", timeMillis, i++, suffix);
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}
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serverFile = new File(folder, destFileName);
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} while (serverFile.exists());
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serverFile.getParentFile().mkdirs();
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return serverFile;
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}
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/**
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* 生成图片名称(根据旧的文件类型)
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* @param rootPath 文件目录地址
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* @param oldFileName 文件相对路径
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* @param type 操作类型 c ：中心化、o ：原比例、自定义
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* @return
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*/
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public String createFileName(String rootPath,String oldFileName,int width,int height,String type) {
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// 初始化目录
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String pathName = oldFileName.substring(0,oldFileName.lastIndexOf("/"));
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String newFilePath = rootPath + pathName;
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File dirFile = new File(newFilePath);
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if (!dirFile.exists()) {
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dirFile.mkdirs();
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}
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// 生成文件名
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String imgName =oldFileName.substring(oldFileName.lastIndexOf("/"));
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String a = imgName.substring(0,imgName.lastIndexOf("."));
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String b = imgName.substring(imgName.lastIndexOf("."));
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return newFilePath + a + "_"+ width + "x"+ height +"_" + type + b;
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}
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/**
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* 截取文件名称
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* @param filePath
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* @return
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*/
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public static String getSuffix(String filePath){
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return filePath.substring(filePath.lastIndexOf("."));
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}
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/**
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* main方法测试
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* @param args
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* @throws IOException
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* @throws InterruptedException
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* @throws IM4JavaException
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*/
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public static void main(String[] args) throws IOException, InterruptedException, IM4JavaException{
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String inImgPath = "D:\\Documents\\Pictures\\1.jpg";
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String outImgPath = "D:\\Documents\\Pictures\\2.jpg";
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Img4JavaUtil test = new Img4JavaUtil();
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// 中心化缩略图（常用）
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test.thumbnailImg(inImgPath,outImgPath,400,400,"c");
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// 裁剪图片
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// test.cropImg(inImgPath,outImgPath+"裁剪-300x300.jpg",300,300,0,0);
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// 获取图片信息
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// test.getImgInfo(inImgPath);
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// 等比缩放
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// test.resizeImg(inImgPath,outImgPath+"等比缩放-w300.jpg",300,null);
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// 旋转图片
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// test.rotateImg(inImgPath,outImgPath+"旋转45.jpg",45.0);
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// 转黑白图片
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// test.monochrome(inImgPath,outImgPath+"转黑白.jpg");
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// 加水印
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// test.addImgText(inImgPath,outImgPath+"加水印.jpg","CCTV-100");
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// 原图质量缩放
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// test.scaleImg(inImgPath,outImgPath+"缩略图scale.jpg",100,null);
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// 自动中心化裁剪
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// test.cropCenterImg(inImgPath,outImgPath+"中心.jpg",400,300);
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}
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}
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