如何将TexturePacker打包的大图还原为之前的小图呢?下面的算法帮你轻松实现!
import java.awt.image.BufferedImage;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import javax.imageio.ImageIO;
public class main {
public static void toPNG(String pathTxt,String pathPNG,String OUT)
{
ArrayList<String> name=new ArrayList<String>();
ArrayList<String> xy=new ArrayList<String>();
ArrayList<String> size=new ArrayList<String>();
try {
String encoding = "GBK";
File file = new File(pathTxt);
if (file.isFile() && file.exists()) { // 判断文件是否存在
InputStreamReader read = new InputStreamReader(
new FileInputStream(file), encoding);// 考虑到编码格式
BufferedReader bufferedReader = new BufferedReader(read);
String lineTxt = null;
int lineNum=0,lineNum2=0;
while ((lineTxt = bufferedReader.readLine()) != null) {
lineNum++;
if(lineNum2>0)
lineNum2++;
if(lineNum==5)
lineNum2=1;
if(lineNum%7==5)
name.add(lineTxt);
if(lineNum2%7==3)
xy.add(lineTxt);
if(lineNum2%7==4)
size.add(lineTxt);
}
read.close();
} else {
System.out.println("找不到指定的文件");
}
BufferedImage image = (BufferedImage)ImageIO.read(new File(pathPNG));
for(int i=0;i<name.size();i++)
{
String p1=name.get(i),p2=xy.get(i),p3=size.get(i);
int x=0,y=0,w=0,h=0,flag=0;
for(int j=0;j<p2.length();j++)
{
if(p2.charAt(j)<=‘9‘ && p2.charAt(j)>=‘0‘ )
{
if(flag==0)
{
x=x*10+p2.charAt(j)-‘0‘;
}
else
{
y=y*10+p2.charAt(j)-‘0‘;
}
}
if(p2.charAt(j)==‘,‘)
flag=1;
}
flag=0;
for(int j=0;j<p3.length();j++)
{
if(p3.charAt(j)<=‘9‘ && p3.charAt(j)>=‘0‘ )
{
if(flag==0)
w=w*10+p3.charAt(j)-‘0‘;
else
h=h*10+p3.charAt(j)-‘0‘;
}
if(p3.charAt(j)==‘,‘)
flag=1;
}
File f=new File(OUT);
if(!f.exists())
f.mkdirs();
ImageIO.write(image.getSubimage(x,y,w,h),"png",new FileOutputStream(OUT+"/"+p1+".png"));
System.out.println(p1+":finished");
}
} catch (Exception e) {
System.out.println("读取文件内容出错");
e.printStackTrace();
}
}
public static void main(String[] args) {
// TODO 自动生成的方法存根
toPNG("g:/help.txt","g:/help.png","g:/ss");//atlas文件,大图文件,目标输出文件
}
}
原文地址:http://blog.csdn.net/google_acmer/article/details/44280847