package com.stu.util;
import java.io.IOException;
import java.util.ArrayList;
import org.im4java.core.CompositeCmd;
import org.im4java.core.ConvertCmd;
import org.im4java.core.IM4JavaException;
import org.im4java.core.IMOperation;
import org.im4java.core.IdentifyCmd;
import org.im4java.process.ArrayListOutputConsumer;
public class ImagesUtil {
/**
* 根据坐标裁剪图片
*
* @param srcPath 要裁剪图片的路径
* @param newPath 裁剪图片后的路径
* @param x 起始横坐标
* @param y 起始纵坐标
* @param x1 结束横坐标
* @param y1 结束纵坐标
*/
public static void cutImage(String srcPath, String newPath, int x, int y, int x1,
int y1) throws Exception {
int width = x1 - x;
int height = y1 - y;
IMOperation op = new IMOperation();
op.addImage(srcPath);
/** width：裁剪的宽度 * height：裁剪的高度 * x：裁剪的横坐标 * y：裁剪纵坐标 */
op.crop(width, height, x, y);
op.addImage(newPath);
ConvertCmd convert = new ConvertCmd(true);
convert.run(op);
}
/**
* 根据尺寸缩放图片
* @param width 缩放后的图片宽度
* @param height 缩放后的图片高度
* @param srcPath 源图片路径
* @param newPath 缩放后图片的路径
*/
public static void zoomImage(Integer width, Integer height, String srcPath, String newPath) throws Exception {
IMOperation op = new IMOperation();
op.addImage(srcPath);
if(width == null){//根据高度缩放图片
op.resize(null, height);
}else if(height == null){//根据宽度缩放图片
op.resize(width, null);
}else {
op.resize(width, height);
}
op.addImage(newPath);
ConvertCmd convert = new ConvertCmd(true);
convert.run(op);
}
/**
* 给图片加水印
* @param srcPath 源图片路径
*/
public static void addImgText(String srcPath,String content) throws Exception {
IMOperation op = new IMOperation();
op.font("微软雅黑");
op.gravity("southeast");
op.pointsize(18).fill("#BCBFC8").draw("text 0,0 "+content); //("x1 x2 x3 x4") x1 格式，x2 x轴距离 x3 y轴距离 x4名称
op.addImage();
op.addImage();
ConvertCmd convert = new ConvertCmd(true);
try {
convert.run(op,srcPath,srcPath);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 图片水印
*
* @param srcImagePath 源图片
* @param waterImagePath 水印
* @param destImagePath 生成图片
* @param gravity 图片位置
* @param dissolve 水印透明度
*/
public static void waterMark(String waterImagePath, String srcImagePath, String destImagePath, String gravity, int dissolve) {
IMOperation op = new IMOperation();
op.gravity(gravity);
op.dissolve(dissolve);
op.addImage(waterImagePath);
op.addImage(srcImagePath);
op.addImage(destImagePath);
CompositeCmd cmd = new CompositeCmd(true);
try {
cmd.run(op);
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (IM4JavaException e) {
e.printStackTrace();
}
}
/**
* 图片旋转
*
* @param srcImagePath
* @param destImagePath
* @param angle
*/
public static void rotate(String srcImagePath, String destImagePath, double angle) {
try {
IMOperation op = new IMOperation();
op.rotate(angle);
op.addImage(srcImagePath);
op.addImage(destImagePath);
ConvertCmd cmd = new ConvertCmd(true);
cmd.run(op);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 图片信息
*
* @param imagePath
* @return
*/
public static String showImageInfo(String imagePath) {
String line = null;
try {
IMOperation op = new IMOperation();
op.format("width:%w,height:%h,path:%d%f,size:%b%[EXIF:DateTimeOriginal]");
op.addImage(1);
IdentifyCmd identifyCmd = new IdentifyCmd(true);
ArrayListOutputConsumer output = new ArrayListOutputConsumer();
identifyCmd.setOutputConsumer(output);
identifyCmd.run(op, imagePath);
ArrayList<String> cmdOutput = output.getOutput();
assert cmdOutput.size() == 1;
line = cmdOutput.get(0);
} catch (Exception e) {
e.printStackTrace();
}
return line;
}
/**
* 图片合成
* @param args
* @param maxWidth
* @param maxHeight
* @param newpath
* @param mrg
* @param type 1:横,2:竖
*/
public static void montage(String[] args,Integer maxWidth,Integer maxHeight,String newpath,Integer mrg,String type) {
IMOperation op = new IMOperation();
ConvertCmd cmd = new ConvertCmd(true);
String thumb_size = maxWidth+"x"+maxHeight+"^";
String extent = maxWidth+"x"+maxHeight;
if("1".equals(type)){
op.addRawArgs("+append");
}else if("2".equals(type)){
op.addRawArgs("-append");
}
op.addRawArgs("-thumbnail",thumb_size);
op.addRawArgs("-gravity","center");
op.addRawArgs("-extent",extent);
Integer border_w = maxWidth / 40;
op.addRawArgs("-border",border_w+"x"+border_w);
op.addRawArgs("-bordercolor","#ccc");
op.addRawArgs("-border",1+"x"+1);
op.addRawArgs("-bordercolor","#fff");
for(String img : args){
op.addImage(img);
}
if("1".equals(type)){
Integer whole_width = ((mrg / 2) +1 + border_w + maxWidth + border_w + (mrg / 2) +1)*args.length - mrg;
Integer whole_height = maxHeight + border_w + 1;
op.addRawArgs("-extent",whole_width + "x" +whole_height);
}else if("2".equals(type)){
Integer whole_width = maxWidth + border_w + 1;
Integer whole_height = ((mrg / 2) +1 + border_w + maxHeight + border_w + (mrg / 2) +1)*args.length - mrg;
op.addRawArgs("-extent",whole_width + "x" +whole_height);
}
op.addImage(newpath);
try {
cmd.run(op);
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) throws Exception{
//addImgText("e://a2.jpg");
//zoomImage(300, 150, "e://a.jpg", "e://a1.jpg");
//zoomImage(300, 150, "e://b.jpg", "e://b1.jpg");
//zoomImage(300, 150, "e://c.jpg", "e://c1.jpg");
//zoomImage(300, 150, "e://d.jpg", "e://d1.jpg");
//zoomImage(300, 150, "e://e.jpg", "e://e1.jpg");
// zoomImage(300, 150, "e://f.jpg", "e://f1.jpg");
//waterMark("e://cc.jpg", "e://aa.jpg", "e://bb.jpg", "southeast", 30);
//rotate("e://aa.jpg", "e://ee.jpg", 90);
//System.out.println(showImageInfo("e://aa.jpg"));
String[] files = new String[5];
files[0] = "e://a1.jpg";
files[1] = "e://b1.jpg";
files[2] = "e://c1.jpg";
files[3] = "e://d1.jpg";
files[4] = "e://e1.jpg";
//montage(files, 280, 200, "e://liboy1.jpg", 0,"2");
//cropImage("e://a.jpg", "e://liboy22.jpg", 1024, 727, 500, 350);
cutImage("e://a.jpg", "e://liboy222.jpg", 5, 10, 100, 120);
}
}
