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| import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.Color;
import java.awt.image.BufferedImage;
import java.io.File;
import java.util.ArrayList;
import javax.imageio.ImageIO;
import javax.swing.JFileChooser;
public class AutoRipper
{
private static BufferedImage spriteSheet;
private static Color color;
private static ArrayList<BufferedImage> sprites;
private static int tolerance = 75;
public static void main(String[] args)
{
sprites = new ArrayList<BufferedImage>();
spriteSheet = open();
scanAutomaticallyIteratively();
saveSprites();
}
private static BufferedImage open()
{
JFileChooser fc = new JFileChooser();
fc.setCurrentDirectory(new File("/Users/Will/Desktop"));
fc.setAcceptAllFileFilterUsed(false);
fc.setFileFilter(new ImageFileFilter());
fc.setDialogTitle("Choose a Sprite Sheet");
int returnVal = fc.showDialog(null, "Choose a Sprite Sheet");
if (returnVal == JFileChooser.APPROVE_OPTION)
{
File file = fc.getSelectedFile();
try
{
BufferedImage im = ImageIO.read(file);
BufferedImage ret = new BufferedImage(im.getWidth(),im.getHeight(),BufferedImage.TYPE_INT_ARGB);
Graphics2D g = ret.createGraphics();
g.drawImage(im,0,0,null);
g.dispose();
int[] c = ret.getRaster().getPixel(0,0,new int[4]);
color = new Color(c[0],c[1],c[2],c[3]);
return ret;
}
catch(Exception e) {e.printStackTrace();}
}
return null;
}
private static String chooseSaveDirectory()
{
JFileChooser fc = new JFileChooser();
fc.setCurrentDirectory(new File(System.getProperty("user.dir")));
fc.setAcceptAllFileFilterUsed(false);
fc.setFileFilter(new DirectoryFileFilter());
fc.setDialogTitle("Choose a Folder");
fc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
int returnVal = fc.showDialog(null, "Save Results in Folder...");
if (returnVal == JFileChooser.APPROVE_OPTION)
{
return fc.getSelectedFile().getAbsolutePath();
}
return null;
}
private static class ImageFileFilter extends javax.swing.filechooser.FileFilter
{
public boolean accept(File f)
{
if (f.isDirectory())
return true;
String e = "";
String s = f.getName();
int i = s.lastIndexOf('.');
if (i > 0 && i < s.length() - 1)
e = s.substring(i+1).toLowerCase();
String[] types = {"jpg","gif","tif","bmp","png","tiff","jpeg"};
for (int j = 0; j < types.length; j++)
if (e.equals(types[j]))
return true;
return false;
}
public String getDescription()
{
return ".jpg .gif .tif .bmp .png";
}
}
private static class DirectoryFileFilter extends javax.swing.filechooser.FileFilter
{
public boolean accept(File f)
{
if (f.isDirectory())
return true;
return false;
}
public String getDescription()
{
return "Directories";
}
}
public static void scanAutomaticallyIteratively()
{
if (spriteSheet == null)
return;
int minSize = 50;
boolean[][] scanned = new boolean[spriteSheet.getWidth()][spriteSheet.getHeight()];
ArrayList<Point> connectedPixels = new ArrayList<Point>();
for (int y = 0; y < spriteSheet.getHeight(); y++)
{
for (int x = 0; x < spriteSheet.getWidth(); x++)
{
if (inBounds(x,y) && !scanned[x][y] && !pixelIsTransparent(x,y))
{
connectedPixels.add(new Point(x,y));
scanned[x][y] = true;
int search = 0;
while (search < connectedPixels.size())
{
Point p = (Point) connectedPixels.get(search);
for (int i = -1; i <= 1; i++)
{
for (int j = -1; j <= 1; j++)
{
if (inBounds(i+p.x,j+p.y) && !scanned[p.x+i][p.y+j] && !pixelIsTransparent(i+p.x,j+p.y))
{
connectedPixels.add(new Point(i+p.x,j+p.y));
scanned[i+p.x][j+p.y] = true;
}
}
}
search++;
}
addSpriteFromPixelList(connectedPixels,minSize);
connectedPixels.clear();
}
}
}
}
public static boolean inBounds(int x, int y)
{
return (x >= 0 && x < spriteSheet.getWidth() && y >= 0 && y < spriteSheet.getHeight());
}
public static boolean pixelIsTransparent(int x, int y)
{
int[] sprite = spriteSheet.getRaster().getPixel(x,y,new int[4]);
int[] transColor = {color.getRed(),color.getBlue(),color.getGreen(),color.getAlpha()};
int total = 0;
for (int i = 0; i < sprite.length; i++)
{
total += Math.abs(sprite[i]-transColor[i]);
if (total > tolerance)
return false;
}
return true;
}
public static void addSpriteFromPixelList(ArrayList<Point> connectedPixels, int minSize)
{
if (connectedPixels.size() < minSize)
return;
int minX, minY, maxX, maxY;
minX = maxX = ((Point)connectedPixels.get(0)).x;
minY = maxY = ((Point)connectedPixels.get(0)).y;
for (int i = 1; i < connectedPixels.size(); i++)
{
Point p = (Point) connectedPixels.get(i);
if (p.x < minX)
minX = p.x;
if (p.x > maxX)
maxX = p.x;
if (p.y < minY)
minY = p.y;
if (p.y > maxY)
maxY = p.y;
}
addSprite(minX,minY,maxX-minX+1,maxY-minY+1);
}
public static void addSprite(int x, int y, int width, int height)
{
if (width > 0 && height > 0)
{
BufferedImage sprite = new BufferedImage(width,height,BufferedImage.TYPE_INT_ARGB);
Graphics2D g = sprite.createGraphics();
g.drawImage(spriteSheet,-x,-y,null);
g.dispose();
for (int i = 0; i < sprite.getWidth(); i++)
for (int j = 0; j < sprite.getHeight(); j++)
if(pixelIsTransparent(i+x,j+y))
sprite.getRaster().setPixel(i,j,new int[]{255,255,255,255});
if (sprite.getWidth() > 0 && sprite.getHeight() > 0)
sprites.add(sprite);
}
}
public static void saveSprites()
{
String saveFolder = chooseSaveDirectory();
if (saveFolder != null)
{
for (int i = 0; i < sprites.size(); i++)
{
try
{
ImageIO.write((BufferedImage)sprites.get(i), "png", new java.io.File(saveFolder + "/" + i + ".png"));
}
catch (Exception ex) {ex.printStackTrace();}
}
}
}
} |
