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ImgurScreensaver
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double buffering and stuff

master
marcus13345 2015-02-11 21:50:40 -05:00
parent ca157a538c
commit f09b811baa
1 changed files with 123 additions and 113 deletions
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236
src/ScrollingMain.java
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@ -2,6 +2,7 @@ import java.awt.Canvas;
import java.awt.Color; import java.awt.Color;
import java.awt.Cursor; import java.awt.Cursor;
import java.awt.Graphics; import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point; import java.awt.Point;
import java.awt.Toolkit; import java.awt.Toolkit;
import java.awt.event.KeyEvent; import java.awt.event.KeyEvent;
@ -11,6 +12,7 @@ import java.awt.event.MouseMotionListener;
import java.awt.event.WindowEvent; import java.awt.event.WindowEvent;
import java.awt.geom.AffineTransform; import java.awt.geom.AffineTransform;
import java.awt.image.AffineTransformOp; import java.awt.image.AffineTransformOp;
import java.awt.image.BufferStrategy;
import java.awt.image.BufferedImage; import java.awt.image.BufferedImage;
import java.io.IOException; import java.io.IOException;
import java.io.InputStream; import java.io.InputStream;
@ -18,20 +20,20 @@ import java.net.HttpURLConnection;
import java.net.URL; import java.net.URL;
import java.util.ArrayList; import java.util.ArrayList;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon; import javax.swing.ImageIcon;
import javax.swing.JFrame; import javax.swing.JFrame;
import com.google.gson.Gson; import com.google.gson.Gson;
public class ScrollingMain extends Canvas implements KeyListener, public class ScrollingMain extends Canvas implements KeyListener, MouseMotionListener {
MouseMotionListener {
public static void main(String[] args) { public static void main(String[] args) {
new ScrollingMain(); new ScrollingMain();
} }
private JFrame frame; private JFrame frame;
private final Object LOCK = new Object();
public ScrollingMain() { public ScrollingMain() {
frame = new JFrame(); frame = new JFrame();
@ -43,111 +45,126 @@ public class ScrollingMain extends Canvas implements KeyListener,
this.addMouseMotionListener(this); this.addMouseMotionListener(this);
this.addKeyListener(this); this.addKeyListener(this);
createBufferStrategy(2);
BufferStrategy bs = getBufferStrategy();
requestFocus(); requestFocus();
// Transparent 16 x 16 pixel cursor image. // Transparent 16 x 16 pixel cursor image.
BufferedImage cursorImg = new BufferedImage(16, 16, BufferedImage cursorImg = new BufferedImage(16, 16, BufferedImage.TYPE_INT_ARGB);
BufferedImage.TYPE_INT_ARGB);
// Create a new blank cursor. // Create a new blank cursor.
Cursor blankCursor = Toolkit.getDefaultToolkit().createCustomCursor( Cursor blankCursor = Toolkit.getDefaultToolkit().createCustomCursor(cursorImg, new Point(0, 0), "blank cursor");
cursorImg, new Point(0, 0), "blank cursor");
// Set the blank cursor to the JFrame. // Set the blank cursor to the JFrame.
frame.getContentPane().setCursor(blankCursor); frame.getContentPane().setCursor(blankCursor);
final int pages = Integer.parseInt(new Variable("imgurscreensaver", final int pages = Integer.parseInt(new Variable("imgurscreensaver", "pages", "10", false).getValue());
"pages", "10", false).getValue());
new Thread(new Runnable() { loopPages(pages, new Variable("imgurscreensaver", "subreddit", "annakendrick", false).getValue());
public void run() { loopPages(pages, "emmawatson");
loopPages(pages, new Variable("imgurscreensaver", "subreddit", loopPages(pages, "katyperry");
"annakendrick", false).getValue()); loopPages(pages, "selenagomez");
} // loopPages(pages, "emmawatson");
}).start();
int elapsed = 0;
while (true) { while (true) {
try { try {
Thread.sleep(35); Thread.sleep(35 - elapsed);
} catch (Exception e) { } catch (Exception e) {
e.printStackTrace(); e.printStackTrace();
} }
repaint(); long start = System.currentTimeMillis();
Graphics2D g = (Graphics2D)bs.getDrawGraphics();
render(g);
bs.show();
long end = System.currentTimeMillis();
elapsed = (int) (end - start);
} }
} }
private double timeOff = 0; private ArrayList<Double> timeThings = new ArrayList<Double>();
private void loopPages(int pages, String subreddit) { private void loopPages(final int pages, final String subreddit) {
while (true) new Thread(new Runnable() {
for (int page = 0; page < pages; page++) public void run() {
try { ArrayList<BufferedImage> list = new ArrayList<BufferedImage>();
synchronized (LOCK) {
images.add(list);
timeThings.add(0d);
}
String path = "https://api.imgur.com/3/gallery/r/" while (true) {
+ subreddit + "/time/" + page + ".json"; for (int page = 0; page < pages; page++) {
try {
HttpURLConnection connection = (HttpURLConnection) ((new URL( String path = "https://api.imgur.com/3/gallery/r/" + subreddit + "/time/" + page + ".json";
path)).openConnection());
System.out.println("Connecting..."); HttpURLConnection connection = (HttpURLConnection) ((new URL(path)).openConnection());
connection.setRequestMethod("GET"); System.out.println("Connecting...");
// TODO Auto-generated catch block
connection.addRequestProperty("Authorization",
"client-id 76535d44f1f94da");
connection.connect();
System.out.println("Response recieved with code " connection.setRequestMethod("GET");
+ connection.getResponseCode());
if (connection.getResponseCode() == 200) { connection.addRequestProperty("Authorization", "client-id 76535d44f1f94da");
InputStream responseStream = connection connection.connect();
.getInputStream();
StringBuilder builder = new StringBuilder();
int j = -1;
while ((j = responseStream.read()) != -1)
builder.append((char) j);
System.out.println(builder.toString()); System.out.println("Response recieved with code " + connection.getResponseCode());
Gson gson = new Gson(); if (connection.getResponseCode() == 200) {
ImageArray response = gson.fromJson(builder.toString(),
ImageArray.class);
for (int imageCounter = 0; imageCounter < response.data.length;) { InputStream responseStream = connection.getInputStream();
StringBuilder builder = new StringBuilder();
int j = -1;
while ((j = responseStream.read()) != -1)
builder.append((char) j);
Image image = response.data[imageCounter]; System.out.println(builder.toString());
Gson gson = new Gson();
ImageArray response = gson.fromJson(builder.toString(), ImageArray.class);
for (int imageCounter = 0; imageCounter < response.data.length;) {
Image image = response.data[imageCounter];
if (image.type.equals("image/gif"))
imageCounter++;
else if (!(image.nsfw && filterNSFW) && list.size() < 6) {
String url = "http://imgur.com/" + (image.id) + (parseExtension(image.type));
BufferedImage toAdd = convertImage(new ImageIcon(new URL(url)).getImage());
toAdd = getScaledImage(toAdd, getWidth(), getHeight() / images.size());
synchronized (LOCK) {
list.add(toAdd);
}
imageCounter++;
} else {
Thread.sleep(SLEEPTIME);
}
if(image.type.equals("image/gif")) imageCounter ++;
else if (!(image.nsfw && filterNSFW)
&& images.size() < 6) {
String url = "http://imgur.com/" + (image.id)
+ (parseExtension(image.type));
BufferedImage toAdd = convertImage(new ImageIcon(
new URL(url)).getImage());
toAdd = getScaledImage(toAdd, getWidth(),
getHeight());
synchronized (images) {
images.add(toAdd);
} }
imageCounter++;
} else {
Thread.sleep(SLEEPTIME);
} }
} catch (Exception e) {
} }
} }
} catch (Exception e) {
} }
}
}).start();
} }
private BufferedImage convertImage(java.awt.Image image) { private BufferedImage convertImage(java.awt.Image image) {
BufferedImage buffer = new BufferedImage(image.getWidth(null), BufferedImage buffer = new BufferedImage(image.getWidth(null), image.getHeight(null), BufferedImage.TYPE_INT_ARGB);
image.getHeight(null), BufferedImage.TYPE_INT_ARGB);
buffer.getGraphics().drawImage(image, 0, 0, null); buffer.getGraphics().drawImage(image, 0, 0, null);
return buffer; return buffer;
} }
@ -164,22 +181,13 @@ public class ScrollingMain extends Canvas implements KeyListener,
} }
} }
private ArrayList<BufferedImage> images = new ArrayList<BufferedImage>(); private ArrayList<ArrayList<BufferedImage>> images = new ArrayList<ArrayList<BufferedImage>>();
private boolean filterNSFW = Boolean.parseBoolean(new Variable( private boolean filterNSFW = Boolean.parseBoolean(new Variable("imgurscreensaver", "filterNSFW", "true", false).getValue());
"imgurscreensaver", "filterNSFW", "true", false).getValue());
private static final long SLEEPTIME = 500; private static final long SLEEPTIME = 500;
public void update(Graphics g) { private BufferedImage getScaledImage(BufferedImage image, int width, int height) throws IOException {
java.awt.Image buffer = createImage(getWidth(), getHeight());
Graphics g2 = buffer.getGraphics();
paint(g2);
g.drawImage(buffer, 0, 0, null);
}
private BufferedImage getScaledImage(BufferedImage image, int width,
int height) throws IOException {
int imageWidth = image.getWidth(); int imageWidth = image.getWidth();
int imageHeight = image.getHeight(); int imageHeight = image.getHeight();
@ -189,7 +197,6 @@ public class ScrollingMain extends Canvas implements KeyListener,
double aspect = (double) imageWidth / imageHeight; double aspect = (double) imageWidth / imageHeight;
double screenAspect = ((double) getWidth() / getHeight()); double screenAspect = ((double) getWidth() / getHeight());
System.out.println("" + aspect + "\n" + screenAspect);
// fill or fit bit // fill or fit bit
if (scaleX > scaleY) if (scaleX > scaleY)
@ -198,24 +205,19 @@ public class ScrollingMain extends Canvas implements KeyListener,
scaleY = scaleX; scaleY = scaleX;
// give us the transform object thing // give us the transform object thing
AffineTransform scaleTransform = AffineTransform.getScaleInstance( AffineTransform scaleTransform = AffineTransform.getScaleInstance(scaleX, scaleY);
scaleX, scaleY);
// then make the scaling algorithm thing. // then make the scaling algorithm thing.
AffineTransformOp bilinearScaleOp = new AffineTransformOp( AffineTransformOp bilinearScaleOp = new AffineTransformOp(scaleTransform, AffineTransformOp.TYPE_BILINEAR);
scaleTransform, AffineTransformOp.TYPE_BILINEAR);
// out new image that we need to crop onto the buffer with the right // out new image that we need to crop onto the buffer with the right
// dimensions. // dimensions.
BufferedImage newImage = bilinearScaleOp.filter(image, BufferedImage newImage = bilinearScaleOp.filter(image, new BufferedImage((int) (imageWidth * scaleX), (int) (imageHeight * scaleY), image.getType()));
new BufferedImage((int) (imageWidth * scaleX),
(int) (imageHeight * scaleY), image.getType()));
// Image newImage = image.getScaledInstance((int) (imageWidth * scaleX), // Image newImage = image.getScaledInstance((int) (imageWidth * scaleX),
// (int) (imageWidth * scaleY), Image.SCALE_SMOOTH); // (int) (imageWidth * scaleY), Image.SCALE_SMOOTH);
// make the buffer // make the buffer
BufferedImage buffer = new BufferedImage((int) (imageWidth * scaleX), BufferedImage buffer = new BufferedImage((int) (imageWidth * scaleX), (int) (imageHeight * scaleY), BufferedImage.TYPE_INT_ARGB);
(int) (imageHeight * scaleY), BufferedImage.TYPE_INT_ARGB);
Graphics g = buffer.getGraphics(); Graphics g = buffer.getGraphics();
int newImageWidth = newImage.getWidth(null); int newImageWidth = newImage.getWidth(null);
@ -228,35 +230,43 @@ public class ScrollingMain extends Canvas implements KeyListener,
return buffer; return buffer;
} }
public void paint(Graphics g) { public void render(Graphics g) {
g.setColor(Color.BLACK); synchronized (LOCK) {
g.fillRect(0, 0, getWidth(), getHeight()); g.setColor(Color.BLACK);
g.setColor(Color.WHITE); g.fillRect(0, 0, getWidth(), getHeight());
g.drawString("Connecting to server...", 0, getHeight()); g.setColor(Color.WHITE);
try { g.drawString("Connecting to server...", 0, getHeight());
// BufferedImage image = (BufferedImage) ImageIO.read(new try {
// URL(currentURL)); // BufferedImage image = (BufferedImage) ImageIO.read(new
if (images.size() > 0) { // URL(currentURL));
g.setColor(Color.BLACK); if (images.size() > 0) {
g.fillRect(0, 0, getWidth(), getHeight()); /*
* g.setColor(Color.BLACK); g.fillRect(0, 0, getWidth(),
* getHeight());
*/
int i = 0;
int xPos = (int) (0 - timeOff); for (ArrayList<BufferedImage> list : images) {
synchronized (images) { int xPos = (int) (0 - timeThings.get(i));
for (BufferedImage image : images) { for (BufferedImage image : list) {
g.drawImage(image, xPos, 0, null); g.drawImage(image, xPos, i * (getHeight() / images.size()), null);
xPos += image.getWidth(); xPos += image.getWidth();
} }
timeOff += 5d; timeThings.set(i, timeThings.get(i) + 10d);
int firstWidth = images.get(0).getWidth(); int firstWidth = list.get(0).getWidth();
if (timeOff > firstWidth) { if (timeThings.get(i) > firstWidth) {
timeOff -= firstWidth; timeThings.set(i, timeThings.get(i) - firstWidth);
images.remove(0); list.remove(0);
}
i++;
} }
} }
} catch (Exception e) {
e.printStackTrace();
} }
} catch (Exception e) {
e.printStackTrace();
} }
} }