Example usage for java.awt Graphics2D fillRect

List of usage examples for java.awt Graphics2D fillRect

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Introduction

In this page you can find the example usage for java.awt Graphics2D fillRect.

Prototype

public abstract void fillRect(int x, int y, int width, int height);

Source Link

Document

Fills the specified rectangle.

Usage

From source file:com.liusoft.dlog4j.servlet.DLOG_RandomImageServlet.java

/**
 * ???,,?16,//from  ww w  .  j a v a  2  s  .co m
 * @param num   ??
 * @param out   ?
 * @throws IOException
 */
protected static void render(String num, boolean gif, OutputStream out) throws IOException {
    if (num.getBytes().length > 4)
        throw new IllegalArgumentException("The length of param num cannot exceed 4.");
    int width = 40;
    int height = 15;
    BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics2D g = (Graphics2D) bi.getGraphics();
    g.setColor(Color.WHITE);
    g.fillRect(0, 0, width, height);
    Font mFont = new Font("Tahoma", Font.PLAIN, 14);
    g.setFont(mFont);
    g.setColor(Color.BLACK);
    g.drawString(num, 2, 13);
    if (gif) {
        AnimatedGifEncoder e = new AnimatedGifEncoder();
        e.setTransparent(Color.WHITE);
        e.start(out);
        e.setDelay(0);
        e.addFrame(bi);
        e.finish();
    } else {
        ImageIO.write(bi, "png", out);
    }
}

From source file:Main.java

/**
 * Clears the given area of the specified graphics object with the given
 * color or makes the region transparent.
 *///from  w  ww . j a va  2s  .  co m
public static void clearRect(Graphics2D g, Rectangle rect, Color background) {
    if (background != null) {
        g.setColor(background);
        g.fillRect(rect.x, rect.y, rect.width, rect.height);
    } else {
        g.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR, 0.0f));
        g.fillRect(rect.x, rect.y, rect.width, rect.height);
        g.setComposite(AlphaComposite.SrcOver);
    }
}

From source file:irille.pub.verify.RandomImageServlet.java

/**
 * ???,,?16,/* w w w.  j a va2s.  c o  m*/
 * @param num   ??
 * @param out   ?
 * @throws IOException
 */
protected static void render(String num, boolean gif, OutputStream out) throws IOException {
    if (num.getBytes().length > 4)
        throw new IllegalArgumentException("The length of param num cannot exceed 4.");
    int width = 50;
    int height = 18;
    BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics2D g = (Graphics2D) bi.getGraphics();
    g.setColor(Color.WHITE);
    g.fillRect(0, 0, width, height);
    Font mFont = new Font("Tahoma", Font.BOLD | Font.ITALIC, 16);
    g.setFont(mFont);
    g.setColor(Color.BLACK);
    g.drawString(num, 2, 15);
    if (gif) {
        AnimatedGifEncoder e = new AnimatedGifEncoder();
        e.setTransparent(Color.WHITE);
        e.start(out);
        e.setDelay(0);
        e.addFrame(bi);
        e.finish();
    } else {
        ImageIO.write(bi, "png", out);
    }
}

From source file:net.noday.core.utils.Captcha.java

public static BufferedImage gen(String text, int width, int height) throws IOException {
    BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_BGR);
    Graphics2D g = (Graphics2D) bi.getGraphics();
    g.setColor(Color.GRAY);//from w  ww  .ja  v a2 s  .c  o  m
    g.fillRect(0, 0, width, height);
    for (int i = 0; i < 10; i++) {
        g.setColor(randColor(150, 250));
        g.drawOval(random.nextInt(110), random.nextInt(24), 5 + random.nextInt(10), 5 + random.nextInt(10));
        Font f = new Font("Arial", Font.ITALIC, 20);
        g.setFont(f);
        g.setColor(randColor(10, 240));
        g.drawString(text, 4, 24);
    }
    return bi;
}

From source file:SplashDemo.java

static void renderSplashFrame(Graphics2D g, int frame) {
    final String[] comps = { "foo", "bar", "baz" };
    g.setComposite(AlphaComposite.Clear);
    g.fillRect(120, 140, 200, 40);
    g.setPaintMode();/*from   ww  w  .ja  v  a 2s.  c o  m*/
    g.setColor(Color.BLACK);
    g.drawString("Loading " + comps[(frame / 5) % 3] + "...", 120, 150);
}

From source file:org.jfree.graphics2d.demo.ImageTest.java

private static void drawClipTest(Graphics2D g2) {
    g2.translate(10, 20);/*w  w w  . j a v a 2 s  .c o  m*/
    g2.setColor(Color.RED);
    g2.fillRect(10, 10, 100, 100);
    g2.clip(new Rectangle(0, 0, 60, 60));
    g2.setPaint(Color.BLUE);
    g2.fillRect(10, 10, 100, 100);
    g2.setClip(null);
    g2.setPaint(Color.GREEN);
    g2.fillRect(60, 60, 50, 50);
}

From source file:QRCode.java

public static String createQRCode(String arg) {
    int size = 125;
    String fileType = "png";
    File myFile = null;//from   w ww .  j av  a2s.  c o  m
    UUID uuid = UUID.nameUUIDFromBytes(arg.getBytes());

    try {
        myFile = File.createTempFile("temp-file-name", ".png");

        Hashtable<EncodeHintType, ErrorCorrectionLevel> hintMap = new Hashtable<EncodeHintType, ErrorCorrectionLevel>();
        hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
        QRCodeWriter qrCodeWriter = new QRCodeWriter();
        BitMatrix byteMatrix = qrCodeWriter.encode(uuid.toString(), BarcodeFormat.QR_CODE, size, size, hintMap);
        int CrunchifyWidth = byteMatrix.getWidth();
        BufferedImage image = new BufferedImage(CrunchifyWidth, CrunchifyWidth, BufferedImage.TYPE_INT_RGB);
        image.createGraphics();

        Graphics2D graphics = (Graphics2D) image.getGraphics();
        graphics.setColor(Color.WHITE);
        graphics.fillRect(0, 0, CrunchifyWidth, CrunchifyWidth);
        graphics.setColor(Color.BLACK);

        for (int i = 0; i < CrunchifyWidth; i++) {
            for (int j = 0; j < CrunchifyWidth; j++) {
                if (byteMatrix.get(i, j)) {
                    graphics.fillRect(i, j, 1, 1);
                }
            }
        }
        ImageIO.write(image, fileType, myFile);
        //System.out.println("\n\nYou have successfully created QR Code " + myFile.getCanonicalPath());
        return myFile.getCanonicalPath();
    } catch (WriterException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return null;
}

From source file:org.polymap.styler.helper.ImageHelper.java

public static BufferedImage createColorRectBufferedImage(java.awt.Color color) {
    BufferedImage image = new BufferedImage(10, 10, BufferedImage.TYPE_INT_ARGB);
    Graphics2D gr2d = image.createGraphics();
    // draw the image
    gr2d.setColor(color);/*from  www. ja  v  a 2 s  . com*/
    gr2d.fillRect(0, 0, 10, 10);

    return image;
}

From source file:Main.java

/**
 * Fills the given {@link BufferedImage} with a {@link Paint}, preserving its alpha channel.
 *
 * @param source The source image.//  w w  w.  jav  a 2 s.c om
 * @param paint  The paint to fill with.
 * @return A new, painted/filled image.
 */
public static BufferedImage filledImage(BufferedImage source, Paint paint) {
    BufferedImage newImage = newArgbBufferedImage(source.getWidth(), source.getHeight());
    Graphics2D g = (Graphics2D) newImage.getGraphics();
    g.drawImage(source, 0, 0, null);
    g.setComposite(AlphaComposite.SrcAtop);
    g.setPaint(paint);
    g.fillRect(0, 0, source.getWidth(), source.getHeight());
    return newImage;
}

From source file:org.jfree.graphics2d.demo.ImageTest.java

private static void drawGradientPaintTest(Graphics2D g2) {
    g2.setPaint(new GradientPaint(10f, 10f, Color.RED, 10f, 60f, Color.YELLOW));
    g2.fillRect(10, 10, 50, 50);
    g2.setPaint(Color.BLUE);/*from   ww  w .ja  v  a  2  s.  c  om*/
    g2.fillRect(60, 10, 50, 50);
}