Example usage for java.awt Graphics2D getComposite

Introduction

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

Prototype

public abstract Composite getComposite();

Source Link

Document

Returns the current Composite in the Graphics2D context.

Usage

From source file:com.jaeksoft.searchlib.util.ImageUtils.java

public static final void yellowHighlight(Image image, Collection<Rectangle> boxes, float outsetFactor) {
    if (CollectionUtils.isEmpty(boxes))
        return;/*from   www .  jav a2  s  .  co  m*/
    Graphics2D g2d = (Graphics2D) image.getGraphics();
    g2d.setPaint(Color.YELLOW);
    Composite originalComposite = g2d.getComposite();
    AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.3f);
    g2d.setComposite(ac);
    for (Rectangle box : boxes) {
        if (outsetFactor != 1.0F) {
            box = new Rectangle(box);
            box.grow((int) (box.getHeight() * outsetFactor), (int) (box.getWidth() * outsetFactor));
        }
        g2d.fill(box);
    }
    g2d.setComposite(originalComposite);
}

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From source file:net.rptools.lib.image.ImageUtil.java

public static void clearImage(BufferedImage image) {
    if (image == null)
        return;/*ww w . ja va 2s .c  o m*/

    Graphics2D g = null;
    try {
        g = (Graphics2D) image.getGraphics();
        Composite oldComposite = g.getComposite();
        g.setComposite(AlphaComposite.Clear);
        g.fillRect(0, 0, image.getWidth(), image.getHeight());
        g.setComposite(oldComposite);
    } finally {
        if (g != null) {
            g.dispose();
        }
    }
}

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From source file:com.t3.image.ImageUtil.java

public static void clearImage(BufferedImage image) {

    if (image == null) {
        return;/* www  . j a v a  2  s . co m*/
    }

    Graphics2D g = null;
    try {

        g = (Graphics2D) image.getGraphics();
        Composite oldComposite = g.getComposite();

        g.setComposite(AlphaComposite.Clear);

        g.fillRect(0, 0, image.getWidth(), image.getHeight());

        g.setComposite(oldComposite);
    } finally {
        if (g != null) {
            g.dispose();
        }
    }
}

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From source file:com.lfx.web.WebChartXYPlot.java

/**
 * Draws the gridlines for the plot's primary range axis, if they are
 * visible./*from   w w  w. j a v a 2  s.c o m*/
 *
 * @param g2  the graphics device.
 * @param area  the data area.
 * @param ticks  the ticks.
 *
 * @see #drawDomainGridlines(Graphics2D, Rectangle2D, List)
 */
protected void drawDomainGridlines(Graphics2D g2, Rectangle2D dataArea, List ticks) {
    Composite oldcomp = g2.getComposite();
    Paint bandPaint = getBackgroundPaint();
    if (bandPaint != null && bandPaint instanceof java.awt.Color) {
        g2.setComposite(AlphaComposite.SrcIn);
        java.awt.Color bandcolor = (java.awt.Color) (bandPaint);
        boolean fillBand = true;
        ValueAxis axis = getDomainAxis();
        double previous = axis.getLowerBound();
        Iterator iterator = ticks.iterator();
        while (iterator.hasNext()) {
            ValueTick tick = (ValueTick) iterator.next();
            if (!tick.getTickType().equals(TickType.MAJOR))
                continue;
            double current = tick.getValue();
            double y1 = axis.valueToJava2D(previous, dataArea, getDomainAxisEdge());
            double y2 = axis.valueToJava2D(current, dataArea, getDomainAxisEdge());
            Rectangle2D band = new Rectangle2D.Double(y1, dataArea.getMinY(), y2 - y1, dataArea.getWidth());
            if (fillBand)
                g2.setPaint(bandcolor);
            else
                g2.setPaint(bandcolor.darker());
            g2.fill(band);
            previous = current;
            fillBand = !fillBand;
        }
        double end = axis.getUpperBound();
        double y1 = axis.valueToJava2D(previous, dataArea, getDomainAxisEdge());
        double y2 = axis.valueToJava2D(end, dataArea, getDomainAxisEdge());
        Rectangle2D band = new Rectangle2D.Double(y1, dataArea.getMinY(), y2 - y1, dataArea.getWidth());
        if (fillBand)
            g2.setPaint(bandcolor);
        else
            g2.setPaint(bandcolor.darker());
        g2.fill(band);
    } else {
        super.drawDomainGridlines(g2, dataArea, ticks);
    }
    g2.setComposite(oldcomp);
}

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From source file:com.lfx.web.WebChartXYPlot.java

/**
  * Draws the gridlines for the plot, if they are visible.
  *//  w ww  . j  a  v  a2 s . com
  * @param g2  the graphics device.
  * @param dataArea  the data area.
  * @param ticks  the ticks.
  *
  * @see #drawRangeGridlines(Graphics2D, Rectangle2D, List)
  */

protected void drawRangeGridlines(Graphics2D g2, Rectangle2D dataArea, List ticks) {
    Composite oldcomp = g2.getComposite();
    Paint bandPaint = getBackgroundPaint();
    if (bandPaint != null && bandPaint instanceof java.awt.Color) {
        // g2.setComposite(AlphaComposite.SrcO);
        java.awt.Color bandcolor = (java.awt.Color) (bandPaint);
        boolean fillBand = false;
        ValueAxis axis = getRangeAxis();
        double previous = axis.getLowerBound();
        Iterator iterator = ticks.iterator();
        while (iterator.hasNext()) {
            ValueTick tick = (ValueTick) iterator.next();
            if (!tick.getTickType().equals(TickType.MAJOR))
                continue;
            double current = tick.getValue();
            double y1 = axis.valueToJava2D(previous, dataArea, getRangeAxisEdge());
            double y2 = axis.valueToJava2D(current, dataArea, getRangeAxisEdge());
            Rectangle2D band = new Rectangle2D.Double(dataArea.getMinX(), y2, dataArea.getWidth(), y1 - y2);
            if (fillBand)
                g2.setPaint(bandcolor);
            else
                g2.setPaint(bandcolor.darker());
            g2.fill(band);
            previous = current;
            fillBand = !fillBand;
        }
        double end = axis.getUpperBound();
        double y1 = axis.valueToJava2D(previous, dataArea, getRangeAxisEdge());
        double y2 = axis.valueToJava2D(end, dataArea, getRangeAxisEdge());
        Rectangle2D band = new Rectangle2D.Double(dataArea.getMinX(), y2, dataArea.getWidth(), y1 - y2);
        if (fillBand)
            g2.setPaint(bandcolor);
        else
            g2.setPaint(bandcolor.darker());
        g2.fill(band);
    } else {
        super.drawRangeGridlines(g2, dataArea, ticks);
    }
    g2.setComposite(oldcomp);
}

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From source file:TapTapTap.java

@Override
public void paint(Graphics g, JComponent c) {
    int w = c.getWidth();
    int h = c.getHeight();

    // Paint the view.
    super.paint(g, c);

    if (!mIsRunning) {
        return;//from  w  ww  .  j ava  2 s.  c  o  m
    }

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

    float fade = (float) mFadeCount / (float) mFadeLimit;
    // Gray it out.
    Composite urComposite = g2.getComposite();
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, .5f * fade));
    g2.fillRect(0, 0, w, h);
    g2.setComposite(urComposite);

    // Paint the wait indicator.
    int s = Math.min(w, h) / 5;
    int cx = w / 2;
    int cy = h / 2;
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setStroke(new BasicStroke(s / 4, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
    g2.setPaint(Color.white);
    g2.rotate(Math.PI * mAngle / 180, cx, cy);
    for (int i = 0; i < 12; i++) {
        float scale = (11.0f - (float) i) / 11.0f;
        g2.drawLine(cx + s, cy, cx + s * 2, cy);
        g2.rotate(-Math.PI / 6, cx, cy);
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, scale * fade));
    }

    g2.dispose();
}

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From source file:MainClass.java

public void paint(Graphics g) {

    Graphics2D g2 = (Graphics2D) g;

    RenderingHints rh = g2.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHints(rh);//from  w  w  w . j a v a  2 s  .c  o m

    int x = 40, y = 40;

    g.setColor(Color.red);
    g.fillOval(x, y, 50, 50);

    Composite old = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_IN));

    g.setColor(Color.green);
    g.fillOval(x + 30, y + 30, 30, 30);

    g2.setComposite(old);

    g.setColor(Color.black);
    g.drawString("AlphaComposite.SRC_IN", x, y + 80);

}

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From source file:MainClass.java

public void paint(Graphics g) {

    Graphics2D g2 = (Graphics2D) g;

    RenderingHints rh = g2.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHints(rh);//from  w w w .j  a  va  2 s . c o m

    int x = 40, y = 40;

    g.setColor(Color.red);
    g.fillOval(x, y, 50, 50);

    Composite old = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OUT));

    g.setColor(Color.green);
    g.fillOval(x + 30, y + 30, 30, 30);

    g2.setComposite(old);

    g.setColor(Color.black);
    g.drawString("AlphaComposite.SRC_OUT", x, y + 80);

}

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From source file:MainClass.java

public void paint(Graphics g) {

    Graphics2D g2 = (Graphics2D) g;

    RenderingHints rh = g2.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHints(rh);//  w  w  w.  j ava  2 s .c om

    int x = 40, y = 40;

    g.setColor(Color.red);
    g.fillOval(x, y, 50, 50);

    Composite old = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));

    g.setColor(Color.green);
    g.fillOval(x + 30, y + 30, 30, 30);

    g2.setComposite(old);

    g.setColor(Color.black);
    g.drawString("AlphaComposite.SRC_OVER", x, y + 80);

}

---

From source file:MainClass.java

public void paint(Graphics g) {

    Graphics2D g2 = (Graphics2D) g;

    RenderingHints rh = g2.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHints(rh);/*from www .j a va2  s. c  o m*/

    int x = 40, y = 40;

    g.setColor(Color.red);
    g.fillOval(x, y, 50, 50);

    Composite old = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.DST_OUT));

    g.setColor(Color.green);
    g.fillOval(x + 30, y + 30, 30, 30);

    g2.setComposite(old);

    g.setColor(Color.black);
    g.drawString("AlphaComposite.DST_OUT", x, y + 80);

}

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