Java Code Examples for java.awt.image.BufferStrategy#getDrawGraphics()

public void start() {


        int[] pixels = ((DataBufferInt) img.getRaster().getDataBuffer()).getData();
        boolean running = true;
        while (running) {
            BufferStrategy bs = frame.getBufferStrategy();
            if (bs == null) {
                frame.createBufferStrategy(4);
                return;
            }
            for (int i = 0; i < width * height; i++)
                pixels[i] = 0;

            Graphics g = bs.getDrawGraphics();
            g.drawImage(img, heightOffset, widthOffset, width, height, null);
            g.dispose();
            bs.show();

        }
    }
 

public void start(){


		int[] pixels = ((DataBufferInt)img.getRaster().getDataBuffer()).getData();
		boolean running = true;
		while(running){
			BufferStrategy bs = frame.getBufferStrategy();
			if(bs==null){
				frame.createBufferStrategy(4);
				return;
			}
			for (int i = 0; i < width * height; i++)
				pixels[i] = 0;

			Graphics g= bs.getDrawGraphics();
			g.drawImage(img, heightOffset, widthOffset, width, height, null);
			g.dispose();
			bs.show();

		}
	}
 

/**
 * Draw all game objects.
 */

private void onDraw() {
    BufferStrategy frameStrategy = frame.getBufferStrategy();
    if (frameStrategy == null) {
        // create the buffer strategy, its null.
        frame.createBufferStrategy(3);
        frameStrategy = frame.getBufferStrategy();
    }
    // clear and get our graphics object.
    graphics = frameStrategy.getDrawGraphics();
    graphics.clearRect(0, 0, width, height);

    if (showFPS) {
        graphics.setColor(Color.red);
        graphics.drawString(Integer.toString(fps) + " fps", 50, 50);
    }

    // update stack.
    stack.forEach(state -> state.onDraw(graphics));

    graphics.dispose();
    frameStrategy.show();

}
 

public void start() {


        int[] pixels = ((DataBufferInt) img.getRaster().getDataBuffer()).getData();
        boolean running = true;
        while (running) {
            BufferStrategy bs = frame.getBufferStrategy();
            if (bs == null) {
                frame.createBufferStrategy(4);
                return;
            }
            for (int i = 0; i < width * height; i++)
                pixels[i] = 0;

            Graphics g = bs.getDrawGraphics();
            g.drawImage(img, heightOffset, widthOffset, width, height, null);
            g.dispose();
            bs.show();

        }
    }
 

public void render() {
    ImageCapabilities imgBackBufCap = new ImageCapabilities(true);
    ImageCapabilities imgFrontBufCap = new ImageCapabilities(true);
    BufferCapabilities bufCap =
        new BufferCapabilities(imgFrontBufCap,
            imgBackBufCap, BufferCapabilities.FlipContents.COPIED);
    try {

        createBufferStrategy(2, bufCap);
    } catch (AWTException ex) {
        createBufferStrategy(2);
    }

    BufferStrategy bs = getBufferStrategy();
    do {
        Graphics g =  bs.getDrawGraphics();
        g.setColor(Color.green);
        g.fillRect(0, 0, getWidth(), getHeight());

        g.setColor(Color.red);
        g.drawString("Rendering test", 20, 20);

        g.drawImage(bi, 50, 50, null);

        g.dispose();
        bs.show();
    } while (bs.contentsLost()||bs.contentsRestored());
}
 

public void draw() throws Exception {
    BufferStrategy strategy = getBufferStrategy();
    Graphics2D graphics = (Graphics2D) strategy.getDrawGraphics();
    graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    graphics.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);

    graphics.setColor(Color.white);
    graphics.fill(new Rectangle(dimension));

    currentScreen = currentScreen.getNextScreen();
    currentScreen.draw(graphics);

    graphics.dispose();
    strategy.show();
}
 

private void start() {
    while (true) {
        BufferStrategy bs = frame.getBufferStrategy();
        if (bs == null) {
            frame.createBufferStrategy(4);
            return;
        }
        Graphics g = bs.getDrawGraphics();
        g.drawImage(img, 0, 0, 800, 600, null);
        g.dispose();
        bs.show();
    }
}
 

public void render() {
    ImageCapabilities imgBackBufCap = new ImageCapabilities(true);
    ImageCapabilities imgFrontBufCap = new ImageCapabilities(true);
    BufferCapabilities bufCap =
        new BufferCapabilities(imgFrontBufCap,
            imgBackBufCap, BufferCapabilities.FlipContents.COPIED);
    try {

        createBufferStrategy(2, bufCap);
    } catch (AWTException ex) {
        createBufferStrategy(2);
    }

    BufferStrategy bs = getBufferStrategy();
    do {
        Graphics g =  bs.getDrawGraphics();
        g.setColor(Color.green);
        g.fillRect(0, 0, getWidth(), getHeight());

        g.setColor(Color.red);
        g.drawString("Rendering test", 20, 20);

        g.drawImage(bi, 50, 50, null);

        g.dispose();
        bs.show();
    } while (bs.contentsLost()||bs.contentsRestored());
}
 

private static void paintSplashWindow(boolean sub) {
	synchronized (PAINT_LOCK) {
		if (splashWindow.isVisible()) {
			if (lastPaint != null) {
				delta = delta + (System.currentTimeMillis() - lastPaint);
			}
			boolean paint = sub || (lastPaint == null || (System.currentTimeMillis() - lastPaint) > 16);
			if (delta > UPDATE_DELAY) {
				nextLoadingImage();
				delta = 0;
				paint = true;
			}
			if (paint) {
				lastPaint = System.currentTimeMillis();
				nextLoadingImage();
				BufferStrategy bufferStrategy = splashWindowCanvas.getBufferStrategy();
				if (bufferStrategy == null) {
					splashWindowCanvas.createBufferStrategy(2);
					bufferStrategy = splashWindowCanvas.getBufferStrategy();
				}
				Graphics g = bufferStrategy.getDrawGraphics();
				g.drawImage(splashImage, 0, 0, null);
				paint((Graphics2D) g);
				g.dispose();
				splashWindowCanvas.getBufferStrategy().show();
			}
		}
	}
}
 

public void render() {
    ImageCapabilities imgBackBufCap = new ImageCapabilities(true);
    ImageCapabilities imgFrontBufCap = new ImageCapabilities(true);
    BufferCapabilities bufCap =
        new BufferCapabilities(imgFrontBufCap,
            imgBackBufCap, BufferCapabilities.FlipContents.COPIED);
    try {

        createBufferStrategy(2, bufCap);
    } catch (AWTException ex) {
        createBufferStrategy(2);
    }

    BufferStrategy bs = getBufferStrategy();
    do {
        Graphics g =  bs.getDrawGraphics();
        g.setColor(Color.green);
        g.fillRect(0, 0, getWidth(), getHeight());

        g.setColor(Color.red);
        g.drawString("Rendering test", 20, 20);

        g.drawImage(bi, 50, 50, null);

        g.dispose();
        bs.show();
    } while (bs.contentsLost()||bs.contentsRestored());
}
 

public void render() {
    ImageCapabilities imgBackBufCap = new ImageCapabilities(true);
    ImageCapabilities imgFrontBufCap = new ImageCapabilities(true);
    BufferCapabilities bufCap =
        new BufferCapabilities(imgFrontBufCap,
            imgBackBufCap, BufferCapabilities.FlipContents.COPIED);
    try {

        createBufferStrategy(2, bufCap);
    } catch (AWTException ex) {
        createBufferStrategy(2);
    }

    BufferStrategy bs = getBufferStrategy();
    do {
        Graphics g =  bs.getDrawGraphics();
        g.setColor(Color.green);
        g.fillRect(0, 0, getWidth(), getHeight());

        g.setColor(Color.red);
        g.drawString("Rendering test", 20, 20);

        g.drawImage(bi, 50, 50, null);

        g.dispose();
        bs.show();
    } while (bs.contentsLost()||bs.contentsRestored());
}
 

public void render() {
    ImageCapabilities imgBackBufCap = new ImageCapabilities(true);
    ImageCapabilities imgFrontBufCap = new ImageCapabilities(true);
    BufferCapabilities bufCap =
        new BufferCapabilities(imgFrontBufCap,
            imgBackBufCap, BufferCapabilities.FlipContents.COPIED);
    try {

        createBufferStrategy(2, bufCap);
    } catch (AWTException ex) {
        createBufferStrategy(2);
    }

    BufferStrategy bs = getBufferStrategy();
    do {
        Graphics g =  bs.getDrawGraphics();
        g.setColor(Color.green);
        g.fillRect(0, 0, getWidth(), getHeight());

        g.setColor(Color.red);
        g.drawString("Rendering test", 20, 20);

        g.drawImage(bi, 50, 50, null);

        g.dispose();
        bs.show();
    } while (bs.contentsLost()||bs.contentsRestored());
}
 

public void render() {
    ImageCapabilities imgBackBufCap = new ImageCapabilities(true);
    ImageCapabilities imgFrontBufCap = new ImageCapabilities(true);
    BufferCapabilities bufCap =
        new BufferCapabilities(imgFrontBufCap,
            imgBackBufCap, BufferCapabilities.FlipContents.COPIED);
    try {

        createBufferStrategy(2, bufCap);
    } catch (AWTException ex) {
        createBufferStrategy(2);
    }

    BufferStrategy bs = getBufferStrategy();
    do {
        Graphics g =  bs.getDrawGraphics();
        g.setColor(Color.green);
        g.fillRect(0, 0, getWidth(), getHeight());

        g.setColor(Color.red);
        g.drawString("Rendering test", 20, 20);

        g.drawImage(bi, 50, 50, null);

        g.dispose();
        bs.show();
    } while (bs.contentsLost()||bs.contentsRestored());
}
 

public void render() {
    ImageCapabilities imgBackBufCap = new ImageCapabilities(true);
    ImageCapabilities imgFrontBufCap = new ImageCapabilities(true);
    BufferCapabilities bufCap =
        new BufferCapabilities(imgFrontBufCap,
            imgBackBufCap, BufferCapabilities.FlipContents.COPIED);
    try {

        createBufferStrategy(2, bufCap);
    } catch (AWTException ex) {
        createBufferStrategy(2);
    }

    BufferStrategy bs = getBufferStrategy();
    do {
        Graphics g =  bs.getDrawGraphics();
        g.setColor(Color.green);
        g.fillRect(0, 0, getWidth(), getHeight());

        g.setColor(Color.red);
        g.drawString("Rendering test", 20, 20);

        g.drawImage(bi, 50, 50, null);

        g.dispose();
        bs.show();
    } while (bs.contentsLost()||bs.contentsRestored());
}
 

public void render() {
    ImageCapabilities imgBackBufCap = new ImageCapabilities(true);
    ImageCapabilities imgFrontBufCap = new ImageCapabilities(true);
    BufferCapabilities bufCap =
        new BufferCapabilities(imgFrontBufCap,
            imgBackBufCap, BufferCapabilities.FlipContents.COPIED);
    try {

        createBufferStrategy(2, bufCap);
    } catch (AWTException ex) {
        createBufferStrategy(2);
    }

    BufferStrategy bs = getBufferStrategy();
    do {
        Graphics g =  bs.getDrawGraphics();
        g.setColor(Color.green);
        g.fillRect(0, 0, getWidth(), getHeight());

        g.setColor(Color.red);
        g.drawString("Rendering test", 20, 20);

        g.drawImage(bi, 50, 50, null);

        g.dispose();
        bs.show();
    } while (bs.contentsLost()||bs.contentsRestored());
}
 

private void render() {
	// frame.getFrame().getContentPane().setBackground(Color.GREEN);
	frame.addMouseMotionListener((MouseMotionListener) Mouse);
	frame.addMouseListener(Mouse);
	frame.addKeyListener(Key);
	BufferStrategy bs = frame.getBufferStrategy();
	if (bs == null) {
		frame.createBufferStrategy(3);
		return;
	}
	Graphics g = bs.getDrawGraphics();
	g.setColor(Color.BLACK);
	g.fillRect(0, 0, frame.getWidth(), frame.getHeight());
	g.setColor(new Color(0xFF660000));
	g.fillRect(0, 0, WIDTH * 3, HEIGHT * 3);
	g.setColor(new Color(0xFFFF9900));
	g.setFont(font.getArial());
	if (isGameOver()) {
		g.drawString("GAME OVER... What will you do now?", 35, 30);
	} else {
		String name = (Game.getJdata_UserName().length() >= 1) ? WordUtils
				.capitalizeFully(Game.getJdata_UserName()).toString()
				: "Player";
		g.drawString("Welcome to JavaGame " + name, 35, 30);
	}
	g.drawLine(0, HEIGHT * 3, 0, 0);
	g.drawLine(0, 0, (WIDTH * 3), 0);
	g.drawLine((WIDTH * 3), 0, (WIDTH * 3), (HEIGHT * 3));
	g.drawLine(0, (HEIGHT * 3), (WIDTH * 3), (HEIGHT * 3));
	// (LEFT,DOWN,WIDTH,HEIGHT)
	paintButtons(isSelectedStart(), isSelectedExit(), g);
	bs.show();
	g.dispose();

}
 

public void render() {
    ImageCapabilities imgBackBufCap = new ImageCapabilities(true);
    ImageCapabilities imgFrontBufCap = new ImageCapabilities(true);
    BufferCapabilities bufCap =
        new BufferCapabilities(imgFrontBufCap,
            imgBackBufCap, BufferCapabilities.FlipContents.COPIED);
    try {

        createBufferStrategy(2, bufCap);
    } catch (AWTException ex) {
        createBufferStrategy(2);
    }

    BufferStrategy bs = getBufferStrategy();
    do {
        Graphics g =  bs.getDrawGraphics();
        g.setColor(Color.green);
        g.fillRect(0, 0, getWidth(), getHeight());

        g.setColor(Color.red);
        g.drawString("Rendering test", 20, 20);

        g.drawImage(bi, 50, 50, null);

        g.dispose();
        bs.show();
    } while (bs.contentsLost()||bs.contentsRestored());
}
 

public void render() {
    ImageCapabilities imgBackBufCap = new ImageCapabilities(true);
    ImageCapabilities imgFrontBufCap = new ImageCapabilities(true);
    BufferCapabilities bufCap =
        new BufferCapabilities(imgFrontBufCap,
            imgBackBufCap, BufferCapabilities.FlipContents.COPIED);
    try {

        createBufferStrategy(2, bufCap);
    } catch (AWTException ex) {
        createBufferStrategy(2);
    }

    BufferStrategy bs = getBufferStrategy();
    do {
        Graphics g =  bs.getDrawGraphics();
        g.setColor(Color.green);
        g.fillRect(0, 0, getWidth(), getHeight());

        g.setColor(Color.red);
        g.drawString("Rendering test", 20, 20);

        g.drawImage(bi, 50, 50, null);

        g.dispose();
        bs.show();
    } while (bs.contentsLost()||bs.contentsRestored());
}
 

private void render() {
	BufferStrategy bs = frame.getBufferStrategy();
	if(bs == null){
		frame.createBufferStrategy(3);
		return;
	}

	Graphics g = bs.getDrawGraphics();
	g.setColor(Color.BLACK);
	g.fillRect(0, 0, WIDTH*SCALE+10, HEIGHT*SCALE+10);
	g.setColor(Color.WHITE);
	g.drawString(NAME, 50, 50);
	bs.show();
	g.dispose();
}
 

/**
* This method displays the current state of the game. 
*/
public void render() {
	BufferStrategy bs = getBufferStrategy();
	if (bs == null) {
		createBufferStrategy(3);                                        // Creates a new bs with triple buffering, which reduces tearing and cross-image pixelation
		return;
	}

	// Centres the player in the middle of the screen
	int xOffset = (int) getPlayer().getX() - (screen.getWidth() / 2);
	int yOffset = (int) getPlayer().getY() - (screen.getHeight() / 2);

	level.renderTiles(screen, xOffset, yOffset);

	/*
	 * for (int x = 0; x < level.width; x++) { int colour = Colours.get(-1,
	 * -1, -1, 000); if (x % 10 == 0 && x != 0) { colour = Colours.get(-1,
	 * -1, -1, 500); } Font.render((x % 10) + "", screen, 0 + (x * 8), 0,
	 * colour, 1); }
	 */

	level.renderEntities(screen);
	level.renderProjectileEntities(screen);

	// Copies pixel data from the screen into the game
	for (int y = 0; y < screen.getHeight(); y++) {
		for (int x = 0; x < screen.getWidth(); x++) {
			int colourCode = screen.getPixels()[x + y * screen.getWidth()];
			if (colourCode < 255) {                                                     // If it is a valid colour code
				pixels[x + y * WIDTH] = colours[colourCode];                        // Sets the corresponding pixel from the screen to the game
			}
		}
	}

	if (isChangeLevel() == true && getTickCount() % 60 == 0) {
		Game.setChangeLevel(true);
		setChangeLevel(false);
	}

	if (changeLevel == true) {                                                      // If the player is teleporting to a different level
		print.print("Teleported into new world", PrintTypes.GAME);
		if (getMap() == 1) {                                                    // If the player is currently on custom_level
			setMap("/levels/water_level.png");
			if (getDummy() != null) { // Gave nullPointerException(); upon
				// entering new world.
				level.removeEntity(getDummy());
				setNpc(false);
			}
			level.removeEntity(getVendor());                        // When teleporting away from custom_level, remove vendor NPC (always found on custom_level)
			setMap(2);
		} else if (getMap() == 2) {                                     // If the player is currently on water_level
			setMap("/levels/custom_level.png");
			level.removeEntity(getDummy());
			setNpc(false);
			level.addEntity(getVendor());                           // Add a vendor NPC - they are always found on custom_level
			setMap(1);
		}
		changeLevel = false;
	}

	Graphics g = bs.getDrawGraphics();
	g.drawRect(0, 0, getWidth(), getHeight());                       // Creates a rectangle the same size as the screen
	g.drawImage(image, 0, 0, getWidth(), getHeight() - 30, null);
	status(g, isDevMode(), isClosing());
	// Font.render("Hi", screen, 0, 0, Colours.get(-1, -1, -1, 555), 1);
	g.drawImage(image2, 0, getHeight() - 30, getWidth(), getHeight(), null);
	g.setColor(Color.WHITE);
	g.setFont(font.getSegoe());
	g.drawString(
		"Welcome "
			+ WordUtils.capitalizeFully(player
			.getSanitisedUsername()), 3, getHeight() - 17);
	g.setColor(Color.ORANGE);

	if (context.getLocale().getCountry().equals("BE")                                       // If the player resides in Belgium or France (i.e. uses AZERTY keyboard)
		|| context.getLocale().getCountry().equals("FR")) {                             // Displays "Press A to quit" in orange at the bottom-middle portion of the screen
		g.drawString("Press A to quit", (getWidth() / 2)
			- ("Press A to quit".length() * 3), getHeight() - 17);
	} else {                                                                                // If the player resides anywhere else (i.e. uses QWERTY keyboard)
		g.drawString("Press Q to quit", (getWidth() / 2)                        // Displays "Press Q to quit" in orange at the bottom-middle portion of the screen
			- ("Press Q to quit".length() * 3), getHeight() - 17);
	}
	g.setColor(Color.YELLOW);
	g.drawString(time.getTime(), (getWidth() - 58), (getHeight() - 3));                     // Displays the current time in yellow in the bottom right corner of the screen (hh:mm:ss)
	g.setColor(Color.GREEN);
	if (backgroundMusic.getActive()) {                                                      // If music is turned on
		g.drawString("MUSIC is ON ", 3, getHeight() - 3);                    // Displays "MUSIC IS ON" in green in the bottom left corner of the screen.
	}
	g.dispose();                                                                            // Frees up memory and resources for graphics
	bs.show();
}