@ -1,20 +1,18 @@
package sig ;
import java.io.BufferedInputStream ;
import java.io.BufferedOutputStream ;
import java.io.BufferedReader ;
import java.io.DataInputStream ;
import java.io.DataOutputStream ;
import java.io.File ;
import java.io.FileInputStream ;
import java.io.FileNotFoundException ;
import java.io.FileOutputStream ;
import java.io.IOException ;
import java.io.InputStreamReader ;
import java.io.OutputStream ;
import java.io.PrintWriter ;
import java.net.ServerSocket ;
import java.net.Socket ;
import java.util.Arrays ;
import java.util.HashMap ;
import java.util.Iterator ;
import java.util.regex.Pattern ;
@ -24,7 +22,6 @@ import javax.imageio.ImageWriteParam;
import javax.imageio.ImageWriter ;
import javax.imageio.stream.ImageOutputStream ;
import javax.swing.JFrame ;
import java.awt.Toolkit ;
import sig.engine.Panel ;
import java.awt.AWTException ;
@ -38,8 +35,18 @@ public class SigShare {
static Robot r ;
public static final String PROGRAM_NAME = "SigShare" ;
public static double SCREEN_MULT = 2 ;
public static int SCREEN_WIDTH = ( int ) ( GraphicsEnvironment . getLocalGraphicsEnvironment ( ) . getMaximumWindowBounds ( ) . getWidth ( ) / SCREEN_MULT ) ;
public static int SCREEN_HEIGHT = ( int ) ( GraphicsEnvironment . getLocalGraphicsEnvironment ( ) . getMaximumWindowBounds ( ) . getHeight ( ) / SCREEN_MULT ) ;
public static int REGION_X_COUNT = 8 ;
public static int REGION_Y_COUNT = 8 ;
public static int SCREEN_WIDTH = ( ( int ) ( GraphicsEnvironment . getLocalGraphicsEnvironment ( ) . getMaximumWindowBounds ( ) . getWidth ( ) / SCREEN_MULT ) / REGION_X_COUNT ) * REGION_X_COUNT ;
public static int SCREEN_HEIGHT = ( ( int ) ( GraphicsEnvironment . getLocalGraphicsEnvironment ( ) . getMaximumWindowBounds ( ) . getHeight ( ) / SCREEN_MULT ) / REGION_Y_COUNT ) * REGION_Y_COUNT ;
public static int [ ] img = new int [ SCREEN_WIDTH * SCREEN_HEIGHT ] ; //Store the number of changes in the last 8 bits of ints. Use 2 ints per section, meaning an 8x8 section uses 128 integers to store 64 values.
public static int CHANGE_THRESHOLD = 1000 ;
public static char [ ] changes = new char [ REGION_X_COUNT * REGION_Y_COUNT ] ;
public static int REGION_WIDTH = SCREEN_WIDTH / REGION_X_COUNT ;
public static int REGION_HEIGHT = SCREEN_HEIGHT / REGION_Y_COUNT ;
public static long LAST_CLEANUP = System . currentTimeMillis ( ) ;
public static int CLEANUP_FREQUENCY = 2000 ;
public static HashMap < Character , Boolean > REGION_CHECK = new HashMap < > ( ) ;
public static void main ( String [ ] args ) throws AWTException {
r = new Robot ( ) ;
if ( args . length = = 2 & & args [ 1 ] . equalsIgnoreCase ( "server" ) ) {
@ -68,21 +75,73 @@ public class SigShare {
}
} * /
int frame = 0 ;
CaptureScreen ( SCREEN_WIDTH , SCREEN_HEIGHT ) ;
FileInputStream stream = new FileInputStream ( new File ( "screenshot.jpg" ) ) ;
while ( stream . available ( ) > 0 ) {
clientOutput . writeByte ( stream . read ( ) ) ;
}
stream . close ( ) ;
BufferedImage image = ImageIO . read ( new File ( "screenshot.jpg" ) ) ;
for ( int y = 0 ; y < image . getHeight ( ) ; y + + ) {
for ( int x = 0 ; x < image . getWidth ( ) ; x + + ) {
img [ y * image . getWidth ( ) + x ] = image . getRGB ( x , y ) & 0x00FFFFFF ;
}
}
for ( int i = 0 ; i < 10 ; i + + ) {
clientOutput . writeChar ( '-' ) ;
}
System . out . println ( "Frame " + frame + + + " processed. Waiting on client." ) ;
while ( ! in . ready ( ) ) {
}
System . out . println ( "Client no longer idle." ) ;
in . readLine ( ) ;
System . out . println ( "Begin diff analysis mode." ) ;
while ( true ) {
CaptureScreen ( SCREEN_WIDTH , SCREEN_HEIGHT ) ;
FileInputStream stream = new FileInputStream ( new File ( "screenshot.jpg" ) ) ;
while ( stream . available ( ) > 0 ) {
clientOutput . writeByte ( stream . read ( ) ) ;
}
stream . close ( ) ;
for ( int i = 0 ; i < 10 ; i + + ) {
clientOutput . writeChar ( '-' ) ;
boolean fullCleanup = false ;
BufferedImage newCapture = CaptureScreen ( SCREEN_WIDTH , SCREEN_HEIGHT ) ;
REGION_CHECK . clear ( ) ;
for ( int y = 0 ; y < newCapture . getHeight ( ) ; y + + ) {
for ( int x = 0 ; x < newCapture . getWidth ( ) ; x + + ) {
int currentPixel = img [ y * newCapture . getWidth ( ) + x ] ;
int newPixel = newCapture . getRGB ( x , y ) & 0x00FFFFFF ;
int gridX = x / REGION_WIDTH ;
int gridY = y / REGION_HEIGHT ;
if ( System . currentTimeMillis ( ) - CLEANUP_FREQUENCY > = 5000 ) {
if ( ! REGION_CHECK . containsKey ( ( char ) ( gridY * REGION_X_COUNT + gridX ) ) ) {
performSubimageUpdate ( in , clientOutput , newCapture , gridX , gridY ) ;
}
fullCleanup = true ;
} else
if ( currentPixel ! = newPixel ) {
img [ y * newCapture . getWidth ( ) + x ] = newPixel ;
if ( gridY * REGION_X_COUNT + gridX > = changes . length ) {
System . out . println ( gridY + "/" + REGION_X_COUNT + "/" + gridX + " " + x + "," + y ) ;
}
//System.out.println("Changes ("+gridX+","+gridY+"): "+changes[gridY*REGION_X_COUNT+gridX]);
if ( ! REGION_CHECK . containsKey ( ( char ) ( gridY * REGION_X_COUNT + gridX ) ) ) {
changes [ gridY * REGION_X_COUNT + gridX ] + = 2 ;
if ( gridY > 0 ) {
changes [ ( gridY - 1 ) * REGION_X_COUNT + gridX ] + = 1 ;
}
if ( gridY < REGION_Y_COUNT - 1 ) {
changes [ ( gridY + 1 ) * REGION_X_COUNT + gridX ] + = 1 ;
}
if ( gridX > 0 ) {
changes [ ( gridY ) * REGION_X_COUNT + ( gridX - 1 ) ] + = 1 ;
}
if ( gridX < REGION_Y_COUNT - 1 ) {
changes [ ( gridY ) * REGION_X_COUNT + ( gridX + 1 ) ] + = 1 ;
}
if ( changes [ gridY * REGION_X_COUNT + gridX ] > = CHANGE_THRESHOLD ) {
performSubimageUpdate ( in , clientOutput , newCapture , gridX , gridY ) ;
}
}
}
}
}
System . out . println ( "Frame " + frame + + + " processed. Waiting on client." ) ;
while ( ! in . ready ( ) ) {
if ( fullCleanup ) {
LAST_CLEANUP = System . currentTimeMillis ( ) ;
}
System . out . println ( "Client no longer idle." ) ;
in . readLine ( ) ;
}
} catch ( IOException e ) {
e . printStackTrace ( ) ;
@ -109,56 +168,106 @@ public class SigShare {
String line ;
if ( in . available ( ) > 0 ) {
line = in . readLine ( ) ;
System . out . println ( line ) ;
if ( line . contains ( "DESKTOP" ) ) {
String [ ] split = line . split ( Pattern . quote ( " " ) ) ;
SCREEN_WIDTH = Integer . parseInt ( split [ 1 ] ) ;
SCREEN_HEIGHT = Integer . parseInt ( split [ 2 ] ) ;
p . init ( SCREEN_WIDTH , SCREEN_HEIGHT ) ;
f . add ( p ) ;
f . setSize ( SCREEN_WIDTH , SCREEN_HEIGHT ) ;
f . setDefaultCloseOperation ( JFrame . EXIT_ON_CLOSE ) ;
f . setVisible ( true ) ;
System . out . println ( line ) ;
if ( line . contains ( "DESKTOP" ) ) {
String [ ] split = line . split ( Pattern . quote ( " " ) ) ;
SCREEN_WIDTH = Integer . parseInt ( split [ 1 ] ) ;
SCREEN_HEIGHT = Integer . parseInt ( split [ 2 ] ) ;
p . init ( SCREEN_WIDTH , SCREEN_HEIGHT ) ;
f . add ( p ) ;
f . setSize ( SCREEN_WIDTH , SCREEN_HEIGHT ) ;
f . setDefaultCloseOperation ( JFrame . EXIT_ON_CLOSE ) ;
f . setVisible ( true ) ;
int frame = 0 ;
int dashCount = 0 ;
BufferedOutputStream stream = null ;
while ( true )
{
while ( in . available ( ) > 0 ) {
if ( stream = = null ) {
//System.out.println("Stream opened.");
stream = new BufferedOutputStream ( new FileOutputStream ( new File ( "screenshot_out.jpg" ) , true ) ) ;
int frame = 0 ;
int dashCount = 0 ;
BufferedOutputStream stream = null ;
while ( true ) {
while ( in . available ( ) > 0 ) {
if ( stream = = null ) {
//System.out.println("Stream opened.");
stream = new BufferedOutputStream ( new FileOutputStream ( new File ( "screenshot_out.jpg" ) , true ) ) ;
}
int val = in . read ( ) ;
stream . write ( val ) ;
//System.out.print((char)val);
if ( val = = '-' ) {
dashCount + + ;
} else
if ( val ! = 0 ) {
dashCount = 0 ;
}
}
int val = in . read ( ) ;
stream . write ( val ) ;
if ( val = = '-' ) {
dashCount + + ;
} else
if ( val ! = 0 ) {
if ( dashCount > = 10 ) {
stream . close ( ) ;
stream = null ;
dashCount = 0 ;
System . out . println ( "Frame " + frame + + + " processed." ) ;
BufferedImage i = ImageIO . read ( new File ( "screenshot_out.jpg" ) ) ;
if ( i ! = null ) {
for ( int y = 0 ; y < i . getHeight ( ) ; y + + ) {
for ( int x = 0 ; x < i . getWidth ( ) ; x + + ) {
Panel . pixel [ y * SCREEN_WIDTH + x ] = i . getRGB ( x , y ) ;
}
}
}
out . writeChars ( "Done\r\n" ) ;
stream = new BufferedOutputStream ( new FileOutputStream ( new File ( "screenshot_out.jpg" ) , false ) ) ;
break ;
}
}
if ( dashCount > = 10 ) {
stream . close ( ) ;
stream = null ;
dashCount = 0 ;
System . out . println ( "Frame " + frame + + + " processed." ) ;
BufferedImage i = ImageIO . read ( new File ( "screenshot_out.jpg" ) ) ;
if ( i ! = null ) {
for ( int y = 0 ; y < i . getHeight ( ) ; y + + ) {
for ( int x = 0 ; x < i . getWidth ( ) ; x + + ) {
Panel . pixel [ y * SCREEN_WIDTH + x ] = i . getRGB ( x , y ) ;
int regionInfo = - 1 ;
System . out . println ( "Waiting for region data..." ) ;
while ( true ) {
//System.out.println("Waiting for region data...");
while ( in . available ( ) > 0 ) {
if ( regionInfo = = - 1 ) {
regionInfo = in . read ( ) ;
} else {
while ( in . available ( ) > 0 ) {
if ( stream = = null ) {
//System.out.println("Stream opened.");
stream = new BufferedOutputStream ( new FileOutputStream ( new File ( "screenshot_out.jpg" ) , true ) ) ;
}
int val = in . read ( ) ;
stream . write ( val ) ;
if ( val = = '-' ) {
dashCount + + ;
} else
if ( val ! = 0 ) {
dashCount = 0 ;
}
}
if ( dashCount > = 10 ) {
stream . close ( ) ;
stream = null ;
dashCount = 0 ;
System . out . println ( "Frame " + frame + + + " processed." ) ;
BufferedImage i = ImageIO . read ( new File ( "screenshot_out.jpg" ) ) ;
if ( i ! = null ) {
int yy = 0 ;
for ( int y = ( regionInfo / REGION_X_COUNT ) * REGION_HEIGHT ; y < ( regionInfo / REGION_X_COUNT ) * REGION_HEIGHT + REGION_HEIGHT ; y + + ) {
int xx = 0 ;
for ( int x = ( regionInfo % REGION_X_COUNT ) * REGION_WIDTH ; x < ( regionInfo % REGION_X_COUNT ) * REGION_WIDTH + REGION_WIDTH ; x + + ) {
Panel . pixel [ y * SCREEN_WIDTH + x ] = i . getRGB ( xx , yy ) ;
xx + + ;
}
yy + + ;
}
}
System . out . println ( "Region (" + ( regionInfo % REGION_X_COUNT ) + "," + ( regionInfo / REGION_X_COUNT ) + ") updated." ) ;
System . out . println ( "Waiting for region data..." ) ;
regionInfo = - 1 ;
out . writeChars ( "Done\r\n" ) ;
stream = new BufferedOutputStream ( new FileOutputStream ( new File ( "screenshot_out.jpg" ) , false ) ) ;
}
}
}
out . writeChars ( "Done\r\n" ) ;
stream = new BufferedOutputStream ( new FileOutputStream ( new File ( "screenshot_out.jpg" ) , false ) ) ;
}
}
}
}
}
} catch ( IOException e ) {
@ -169,9 +278,32 @@ public class SigShare {
return ;
}
}
private static void CaptureScreen ( int w , int h ) throws IOException {
private static void performSubimageUpdate ( BufferedReader in , DataOutputStream clientOutput , BufferedImage newCapture , int gridX ,
int gridY ) throws IOException , FileNotFoundException {
FileInputStream stream ;
changes [ gridY * REGION_X_COUNT + gridX ] = 0 ;
GetSubimage ( newCapture , gridX * REGION_WIDTH , gridY * REGION_HEIGHT , REGION_WIDTH , REGION_HEIGHT ) ;
System . out . println ( "Preparing to send region(" + gridX + "," + gridY + ")." ) ;
stream = new FileInputStream ( new File ( "screenshot_part.jpg" ) ) ;
clientOutput . writeByte ( gridY * REGION_X_COUNT + gridX ) ;
while ( stream . available ( ) > 0 ) {
clientOutput . writeByte ( stream . read ( ) ) ;
}
stream . close ( ) ;
for ( int i = 0 ; i < 10 ; i + + ) {
clientOutput . writeChar ( '-' ) ;
}
System . out . println ( "Region sent, waiting for reply." ) ;
while ( ! in . ready ( ) ) ;
in . readLine ( ) ;
System . out . println ( "Client no longer idle." ) ;
REGION_CHECK . put ( ( char ) ( gridY * REGION_X_COUNT + gridX ) , true ) ;
/ * x = ( x / REGION_WIDTH ) * REGION_WIDTH + REGION_WIDTH ;
y = ( y / REGION_HEIGHT ) * REGION_HEIGHT + REGION_HEIGHT ; * /
}
private static BufferedImage CaptureScreen ( int w , int h ) throws IOException {
//BufferedImage screenshot = toBufferedImage(r.createScreenCapture(GraphicsEnvironment.getLocalGraphicsEnvironment().getMaximumWindowBounds()).getScaledInstance(w, h, Image.SCALE_DEFAULT));
BufferedImage screenshot ;
ImageOutputStream ios = ImageIO . createImageOutputStream ( new File ( "screenshot.jpg" ) ) ;
Iterator < ImageWriter > iter = ImageIO . getImageWritersByFormatName ( "jpeg" ) ;
ImageWriter writer = iter . next ( ) ;
@ -179,10 +311,15 @@ public class SigShare {
iwp . setCompressionMode ( ImageWriteParam . MODE_EXPLICIT ) ;
iwp . setCompressionQuality ( 0 . 8f ) ;
writer . setOutput ( ios ) ;
writer . write ( null , new IIOImage ( resizeImage ( r . createScreenCapture ( GraphicsEnvironment . getLocalGraphicsEnvironment ( ) . getMaximumWindowBounds ( ) ) , w , h ) , null , null ) , iwp ) ;
writer . write ( null , new IIOImage ( screenshot = resizeImage ( r . createScreenCapture ( GraphicsEnvironment . getLocalGraphicsEnvironment ( ) . getMaximumWindowBounds ( ) ) , w , h ) , null , null ) , iwp ) ;
writer . dispose ( ) ;
//return screenshot;
return screenshot ;
}
private static BufferedImage GetSubimage ( BufferedImage screenshot , int x , int y , int w , int h ) throws IOException {
BufferedImage newimg = screenshot . getSubimage ( x , y , w , h ) ;
ImageIO . write ( newimg , "jpeg" , new File ( "screenshot_part.jpg" ) ) ;
return newimg ;
}
static BufferedImage resizeImage ( BufferedImage originalImage , int targetWidth , int targetHeight ) throws IOException {
Image resultingImage = originalImage . getScaledInstance ( targetWidth , targetHeight , Image . SCALE_SMOOTH ) ;