Example usage for java.awt Graphics2D dispose

Introduction

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

Prototype

public abstract void dispose();

Source Link

Document

Disposes of this graphics context and releases any system resources that it is using.

Usage

From source file:org.geomajas.plugin.rasterizing.layer.RasterDirectLayer.java

private BufferedImage makeOpaque(BufferedImage image) {
    if (image.getType() == BufferedImage.TYPE_CUSTOM) {
        log.warn("makeOpaque {} Unknown Image Type 0: ", getTitle());
        return image;
    }/*w  w w. java  2  s.  c o  m*/
    BufferedImage opaqueCopy = new BufferedImage(image.getWidth(), image.getHeight(), image.getType());
    Graphics2D g1 = opaqueCopy.createGraphics();
    g1.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, getOpacity()));
    g1.drawImage(image, null, 0, 0);
    g1.dispose();
    return opaqueCopy;
}

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From source file:org.shredzone.commons.captcha.impl.DefaultCaptchaGenerator.java

/**
 * Draws a single character./*from w  w w .j a  va 2s  . c  om*/
 *
 * @param g2d
 *            {@link Graphics2D} context
 * @param ch
 *            character to draw
 * @param x
 *            left x position of the character
 * @param boxWidth
 *            width of the box
 */
private void drawCharacter(Graphics2D g2d, char ch, int x, int boxWidth) {
    double degree = (rnd.nextDouble() * rotationAmplitude * 2) - rotationAmplitude;
    double scale = 1 - (rnd.nextDouble() * scaleAmplitude / 100);

    Graphics2D cg2d = (Graphics2D) g2d.create();
    cg2d.setFont(font.deriveFont(fontSize));

    cg2d.translate(x + (boxWidth / 2), height / 2);
    cg2d.rotate(degree * PI / 90);
    cg2d.scale(scale, scale);

    FontMetrics fm = cg2d.getFontMetrics();
    int charWidth = fm.charWidth(ch);
    int charHeight = fm.getAscent() + fm.getDescent();

    cg2d.drawString(String.valueOf(ch), -(charWidth / 2), fm.getAscent() - (charHeight / 2));

    cg2d.dispose();
}

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From source file:org.openscience.cdk.applications.taverna.basicutilities.ChartTool.java

/**
 * Adds a chart to the pdf file.//from   w w w.j  a v  a 2  s .  c  om
 * 
 * @param chart
 * @param cb
 */
private void addChartPageToPDF(JFreeChart chart, PdfContentByte cb) {
    PdfTemplate tp = cb.createTemplate(this.width, this.height);
    Graphics2D g2 = tp.createGraphics(this.width, this.height, new DefaultFontMapper());
    Rectangle2D r2D = new Rectangle2D.Double(0, 0, this.width, this.height);
    chart.draw(g2, r2D);
    g2.dispose();
    cb.addTemplate(tp, 0, 0);
}

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From source file:gui.GraphsPanel.java

/** Save Graph as JPEG.
 * // w  w  w .j  a  va2s  .com
 */
public void writeJpegImage(File file) {
    int width = vv.getWidth();
    int height = vv.getHeight();

    BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics2D graphics = bi.createGraphics();
    vv.paint(graphics);
    graphics.dispose();

    try {
        ImageIO.write(bi, "jpeg", file);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:de.tor.tribes.ui.algo.TimeFrameVisualizer.java

/** Creates new form TimeFrameVisualizer */
public TimeFrameVisualizer() {
    initComponents();/*from  ww  w. j a  v  a 2s  .c  om*/
    try {
        STROKED = new BufferedImage(3, 3, BufferedImage.TYPE_INT_RGB);
        Graphics2D g2d = STROKED.createGraphics();
        g2d.setColor(Constants.DS_BACK_LIGHT);
        g2d.fillRect(0, 0, 3, 3);
        g2d.setColor(Constants.DS_BACK);
        g2d.drawLine(0, 2, 2, 0);
        g2d.dispose();
        DAILY_START_FRAME_FILL = new BufferedImage(3, 3, BufferedImage.TYPE_INT_RGB);
        g2d = DAILY_START_FRAME_FILL.createGraphics();
        g2d.setColor(Color.CYAN);
        g2d.fillRect(0, 0, 3, 3);
        g2d.setColor(Color.BLUE);
        g2d.drawLine(0, 2, 2, 0);
        g2d.dispose();
        EXACT_START_FRAME_FILL = new BufferedImage(3, 3, BufferedImage.TYPE_INT_RGB);
        g2d = EXACT_START_FRAME_FILL.createGraphics();
        g2d.setColor(Color.CYAN);
        g2d.fillRect(0, 0, 3, 3);
        g2d.dispose();
        ONE_DAY_START_FRAME_FILL = new BufferedImage(3, 3, BufferedImage.TYPE_INT_RGB);
        g2d = ONE_DAY_START_FRAME_FILL.createGraphics();
        g2d.setColor(Color.CYAN);
        g2d.fillRect(0, 0, 3, 3);
        g2d.setColor(Color.BLUE);
        g2d.drawLine(1, 0, 1, 2);
        g2d.dispose();
        ARRIVE_FRAME_FILL = new BufferedImage(3, 3, BufferedImage.TYPE_INT_RGB);
        g2d = ARRIVE_FRAME_FILL.createGraphics();
        g2d.setColor(Color.RED);
        g2d.fillRect(0, 0, 3, 3);
        g2d.setColor(Color.BLACK);
        g2d.drawLine(0, 2, 2, 0);
        g2d.dispose();
    } catch (Exception e) {
    }

    popupInfo = new HashMap<String, Object>();
    addMouseMotionListener(new MouseMotionListener() {

        @Override
        public void mouseDragged(MouseEvent e) {
        }

        @Override
        public void mouseMoved(MouseEvent e) {
            repaint();
        }
    });

    addMouseListener(new MouseListener() {

        @Override
        public void mouseClicked(MouseEvent e) {
            fireClickEvent(e);
        }

        @Override
        public void mousePressed(MouseEvent e) {
        }

        @Override
        public void mouseReleased(MouseEvent e) {
        }

        @Override
        public void mouseEntered(MouseEvent e) {
        }

        @Override
        public void mouseExited(MouseEvent e) {
        }
    });
}

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From source file:edu.ku.brc.specify.utilapps.ERDTable.java

/**
 * Returns the BufferedImage of a background shadow. I creates a large rectangle than the orignal image.
 * @return Returns the BufferedImage of a background shadow. I creates a large rectangle than the orignal image.
 *///www. j av a  2s  .c  om
private BufferedImage getBackgroundImageBuffer() {
    if (shadowBuffer == null) {
        ShadowFactory factory = new ShadowFactory(SHADOW_SIZE, 0.17f, Color.BLACK);

        Dimension size = inner.getSize();
        BufferedImage image = new BufferedImage(size.width, size.height, BufferedImage.TYPE_INT_ARGB);

        Graphics2D g2 = image.createGraphics();
        g2.setColor(Color.WHITE);
        g2.fillRect(0, 0, image.getWidth(), image.getHeight());
        g2.dispose();

        shadowBuffer = factory.createShadow(image);
    }
    return shadowBuffer;
}

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From source file:ca.sqlpower.wabit.swingui.chart.WabitJFreeChartPanel.java

@Override
public void paintComponent(Graphics g) {

    if (getChart() == null) {
        return;/*from  w  w w  .  ja v a  2s . co m*/
    }

    Graphics2D g2 = (Graphics2D) g.create();

    float baseline = getXaxisBaseline();

    ChartGradientPainter.paintChartGradient(g2, getBounds(), (int) baseline);

    g2.setColor(getForeground());
    super.paintComponent(g2);

    // this rendering has a different layout than last time;
    // have to paint again to update gradient position
    if (Math.abs(baseline - getXaxisBaseline()) > 1f) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                repaint();
            }
        });
    }
    g2.dispose();
}

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From source file:FieldValidator.java

@Override
public void paint(Graphics g, JComponent c) {
    super.paint(g, c);

    JLayer jlayer = (JLayer) c;
    JFormattedTextField ftf = (JFormattedTextField) jlayer.getView();
    if (!ftf.isEditValid()) {
        Graphics2D g2 = (Graphics2D) g.create();

        // Paint the red X.
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        int w = c.getWidth();
        int h = c.getHeight();
        int s = 8;
        int pad = 4;
        int x = w - pad - s;
        int y = (h - s) / 2;
        g2.setPaint(Color.red);/*w w  w . j a v  a  2  s .  co m*/
        g2.fillRect(x, y, s + 1, s + 1);
        g2.setPaint(Color.white);
        g2.drawLine(x, y, x + s, y + s);
        g2.drawLine(x, y + s, x + s, y);

        g2.dispose();
    }
}

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From source file:edu.stanford.epad.epadws.handlers.dicom.DSOUtil.java

private static BufferedImage imageToBufferedImage(Image image) {
    BufferedImage bufferedImage = new BufferedImage(image.getWidth(null), image.getHeight(null),
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = bufferedImage.createGraphics();
    g2.drawImage(image, 0, 0, null);//from   www  .j  a  v  a 2s .  com
    g2.dispose();
    return bufferedImage;
}

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From source file:com.igormaznitsa.mindmap.swing.panel.utils.ScalableIcon.java

public synchronized Image getImage(final double scale) {
    if (Double.compare(this.currentScaleFactor, scale) != 0) {
        this.scaledCachedImage = null;
    }//from  w  w w  .  ja va2 s  .  c  o  m

    if (this.scaledCachedImage == null) {
        this.currentScaleFactor = scale;

        final int imgw = this.baseImage.getWidth(null);
        final int imgh = this.baseImage.getHeight(null);
        final int scaledW = (int) Math.round(imgw * this.baseScaleX * scale);
        final int scaledH = (int) Math.round(imgh * this.baseScaleY * scale);

        final BufferedImage img = new BufferedImage(scaledW, scaledH, BufferedImage.TYPE_INT_ARGB);
        final Graphics2D g = (Graphics2D) img.getGraphics();

        g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION,
                RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);

        g.drawImage(this.baseImage, 0, 0, scaledW, scaledH, null);
        g.dispose();

        this.scaledCachedImage = img;
    }
    return this.scaledCachedImage;
}

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