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Break up display into pieces for fast updates

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Co-authored-by: sigonasr2 <sigonasr2@gmail.com>
main
sigonasr2 3 years ago
parent e21a814abf
commit 8fa0586648
5 changed files with 200 additions and 63 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. BIN
      bin/SigShare.jar
  2. BIN
      bin/screenshot.jpg
  3. 0
      bin/screenshot_out.jpg
  4. BIN
      bin/screenshot_part.jpg
  5. 265
      src/sig/SigShare.java

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src/sig/SigShare.java
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@ -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;
while (true) {
CaptureScreen(SCREEN_WIDTH,SCREEN_HEIGHT);
FileInputStream stream = new FileInputStream(new File("screenshot.jpg"));
while (stream.available()>0) {
clientOutput.writeByte(stream.read());
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;
}
stream.close();
for (int i=0;i<10;i++) {
clientOutput.writeChar('-');
}
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) {
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);
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));
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 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);

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