java - im4java convert to jpg, image crash -


i want convert images gif jpeg using im4java. there should 1 gif , 1 ipeg picture after excution. when i'v done this. there 3 pictures. 1 original gif, 1 new nomarl jpeg, , other 1 crashed jpeg picture. pictures may cause problems. may not. there know why? thanks

public static void convertimage(string srcpath, string newpath, string format) throws exception {     imoperation op = new imoperation();     op.addimage(srcpath);     op.addimage(newpath);     system.out.println(op);     convertcmd cmd = new convertcmd();     cmd.run(op); } public static void changepictures(string format) throws exception {     file file = new file("picture path");     file picturearray[];     picturearray = file.listfiles();     int i;     for(i = 0; < picturearray.length; i++)     {         convertimage(picturearray[i].getabsolutepath(), "picture path" + + "." +          format, format);        }  }

op.addimage(srcpath); here. because there more 1 picture in gif file.try op.addimage(srcpath+"[0]");


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