Example usage for java.awt Graphics2D setComposite

Introduction

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

Prototype

public abstract void setComposite(Composite comp);

Source Link

Document

Sets the Composite for the Graphics2D context.

Usage

From source file:com.joey.software.regionSelectionToolkit.controlers.ImageProfileToolDynamicRangePanel.java

@Override
public void draw(Graphics2D g) {

    updateSelectionData();//  w  w  w .  j  a v  a 2s .c  o m

    float tra = (transparance.getValue() / (float) (transparance.getMaximum()));

    Composite oldcomp = g.getComposite();
    g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, tra));
    Line2D.Double line = new Line2D.Double();
    for (int i = 0; i < selectionData.length - 1; i++) {
        double x1 = view.getImage().getImage().getWidth() / (double) (selectionData.length - 1) * i;
        double y1 = view.getImage().getImage().getHeight() * (1 - getSelectionValue(i));

        double x2 = view.getImage().getImage().getWidth() / (double) (selectionData.length - 1) * (i + 1);
        double y2 = view.getImage().getImage().getHeight() * (1 - getSelectionValue(i + 1));

        if (getUseData(i)) {
            g.setColor(getPointColorSelected());
        } else {
            g.setColor(getPointColorNotSelected());
        }
        line.x1 = x1;
        line.x2 = x2;
        line.y1 = y1;
        line.y2 = y2;

        g.draw(line);

        if (showOffset.isSelected()) {
            if (getUseData(i)) {
                g.setColor(getOffsetColor());
                double offset = (Double) this.offset.getValue();
                line.y1 += offset;
                line.y2 += offset;
                g.draw(line);
            }
        }
    }

    // Draw each point

    for (int i = 0; i < value.length; i++) {
        g.setColor(getCrossColor());
        double x = view.getImage().getImage().getWidth() / (double) (value.length - 1) * i;
        double y = view.getImage().getImage().getHeight() * (1 - value[i]);
        DrawTools.drawCross(g, new Point2D.Double(x, y), pointSize * 2);

    }

    g.setComposite(oldcomp);
}

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From source file:Main.java

public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    int cx = getSize().width / 2;
    int cy = getSize().height / 2;

    g2.translate(cx, cy);// w  w  w.j  av a  2s  .c om
    g2.rotate(theta * Math.PI / 180);

    Shape oldClip = g2.getClip();
    Shape e = new Ellipse2D.Float(-cx, -cy, cx * 2, cy * 2);
    g2.clip(e);

    Shape c = new Ellipse2D.Float(-cx, -cy, cx * 3 / 4, cy * 2);
    g2.setPaint(new GradientPaint(40, 40, Color.blue, 60, 50, Color.white, true));
    g2.fill(c);

    g2.setPaint(Color.yellow);
    g2.fillOval(cx / 4, 0, cx, cy);

    g2.setClip(oldClip);

    g2.setFont(new Font("Times New Roman", Font.PLAIN, 64));
    g2.setPaint(new GradientPaint(-cx, 0, Color.red, cx, 0, Color.black, false));
    g2.drawString("Hello, 2D!", -cx * 3 / 4, cy / 4);

    AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) .75);
    g2.setComposite(ac);

    Shape r = new RoundRectangle2D.Float(0, -cy * 3 / 4, cx * 3 / 4, cy * 3 / 4, 20, 20);
    g2.setStroke(new BasicStroke(4));
    g2.setPaint(Color.magenta);
    g2.fill(r);
    g2.setPaint(Color.green);
    g2.draw(r);

    g2.drawImage(image, -cx / 2, -cy / 2, this);
}

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From source file:VASSAL.build.module.map.MapShader.java

public void draw(Graphics g, Map map) {
    if (shadingVisible) {

        double zoom = map.getZoom();
        buildStroke(zoom);//ww w  . j a va2 s . com

        final Graphics2D g2 = (Graphics2D) g;

        final Composite oldComposite = g2.getComposite();
        final Color oldColor = g2.getColor();
        final Paint oldPaint = g2.getPaint();
        final Stroke oldStroke = g2.getStroke();

        g2.setComposite(getComposite());
        g2.setColor(getColor());
        g2.setPaint(scaleImage && pattern.equals(TYPE_IMAGE) && imageName != null ? getTexture(zoom)
                : getTexture());
        Area area = getShadeShape(map);
        if (zoom != 1.0) {
            area = new Area(AffineTransform.getScaleInstance(zoom, zoom).createTransformedShape(area));
        }
        g2.fill(area);
        if (border) {
            g2.setComposite(getBorderComposite());
            g2.setStroke(getStroke(map.getZoom()));
            g2.setColor(getBorderColor());
            g2.draw(area);
        }

        g2.setComposite(oldComposite);
        g2.setColor(oldColor);
        g2.setPaint(oldPaint);
        g2.setStroke(oldStroke);
    }
}

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From source file:net.technicpack.ui.lang.ResourceLoader.java

public BufferedImage getCircleClippedImage(BufferedImage contentImage) {
    // copy the picture to an image with transparency capabilities
    BufferedImage outputImage = new BufferedImage(contentImage.getWidth(), contentImage.getHeight(),
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = (Graphics2D) outputImage.getGraphics();
    g2.drawImage(contentImage, 0, 0, null);

    // Create the area around the circle to cut out
    Area cutOutArea = new Area(new Rectangle(0, 0, outputImage.getWidth(), outputImage.getHeight()));

    int diameter = (outputImage.getWidth() < outputImage.getHeight()) ? outputImage.getWidth()
            : outputImage.getHeight();//from  w w  w  .ja va 2  s  . c  om
    cutOutArea.subtract(new Area(new Ellipse2D.Float((outputImage.getWidth() - diameter) / 2,
            (outputImage.getHeight() - diameter) / 2, diameter, diameter)));

    // Set the fill color to an opaque color
    g2.setColor(Color.WHITE);
    // Set the composite to clear pixels
    g2.setComposite(AlphaComposite.Clear);
    // Turn on antialiasing
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    // Clear the cut out area
    g2.fill(cutOutArea);

    // dispose of the graphics object
    g2.dispose();

    return outputImage;
}

---

From source file:org.tsho.dmc2.core.chart.AbstractDmcPlot.java

public void drawPlot(Graphics2D g2, Rectangle2D dataArea, PlotRenderingInfo info) {
    Object originalAntialiasHint = g2.getRenderingHint(RenderingHints.KEY_ANTIALIASING);

    if (plotAntialias) {
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    } else {//from  w w w.j a v  a2 s . c o  m
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
    }

    Composite originalComposite = g2.getComposite();
    if (alpha == true) {
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, getForegroundAlpha()));
    }

    /* if automatic bounds... */
    if (!isNoData()) {
        if (this instanceof DmcRenderablePlot) {
            DmcPlotRenderer renderer;
            renderer = ((DmcRenderablePlot) this).getPlotRenderer();
            if (renderer != null) {
                renderer.initialize();
            }
        }
    }

    g2.setStroke(stroke);
    g2.setPaint(paint);
    render(g2, dataArea, info); /** This is where the computations method is called.*/
    g2.setComposite(originalComposite);
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, originalAntialiasHint);
}

---

From source file:org.openmeetings.app.data.record.BatikMethods.java

public void drawThickLine2DPaint(Graphics2D g2d, double x1, double y1, double x2, double y2, int width, Color c,
        double xObj, double yObj, float alpha) throws Exception {
    g2d.setPaint(c);//from  w ww.  j a  v a 2s.  com

    int[] rules = new int[8];

    //all possible Compositing Rules:
    rules[0] = AlphaComposite.SRC_OVER;
    rules[1] = AlphaComposite.DST_OVER;
    rules[2] = AlphaComposite.CLEAR;
    rules[3] = AlphaComposite.SRC;
    rules[4] = AlphaComposite.SRC_IN;
    rules[5] = AlphaComposite.DST_IN;
    rules[6] = AlphaComposite.SRC_OUT;
    rules[7] = AlphaComposite.DST_OUT;

    g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC, alpha));
    g2d.setStroke(new BasicStroke(width, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
    Line2D line = new Line2D.Double(x1, y1, x2, y2);
    g2d.draw(line);
}

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From source file:org.openmeetings.app.data.record.BatikMethods.java

public void drawThickLine2D(Graphics2D g2d, double x1, double y1, double x2, double y2, int width, Color c,
        double xObj, double yObj, float alpha) throws Exception {
    g2d.setPaint(c);/* w ww.  j a  v a2  s  . c o m*/

    int[] rules = new int[8];

    //all possible Compositing Rules:
    rules[0] = AlphaComposite.SRC_OVER;
    rules[1] = AlphaComposite.DST_OVER;
    rules[2] = AlphaComposite.CLEAR;
    rules[3] = AlphaComposite.SRC;
    rules[4] = AlphaComposite.SRC_IN;
    rules[5] = AlphaComposite.DST_IN;
    rules[6] = AlphaComposite.SRC_OUT;
    rules[7] = AlphaComposite.DST_OUT;

    g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC, alpha));
    g2d.setStroke(new BasicStroke(width, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
    Line2D line = new Line2D.Double(x1 + xObj, y1 + yObj, x2 + xObj, y2 + yObj);
    g2d.draw(line);
}

---

From source file:com.controlj.addon.gwttree.server.OpaqueBarRenderer3D.java

@Override
public void drawBackground(Graphics2D g2, CategoryPlot plot, Rectangle2D dataArea) {

    float x0 = (float) dataArea.getX();
    float x1 = x0 + (float) Math.abs(getXOffset());
    float x3 = (float) dataArea.getMaxX();
    float x2 = x3 - (float) Math.abs(getXOffset());

    float y0 = (float) dataArea.getMaxY();
    float y1 = y0 - (float) Math.abs(getYOffset());
    float y3 = (float) dataArea.getMinY();
    float y2 = y3 + (float) Math.abs(getYOffset());

    GeneralPath clip = new GeneralPath();
    clip.moveTo(x0, y0);/*from  w  w  w .j  a va2 s .c  om*/
    clip.lineTo(x0, y2);
    clip.lineTo(x1, y3);
    clip.lineTo(x3, y3);
    clip.lineTo(x3, y1);
    clip.lineTo(x2, y0);
    clip.closePath();

    Composite originalComposite = g2.getComposite();
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, plot.getBackgroundAlpha()));

    // fill background...
    Paint backgroundPaint = plot.getBackgroundPaint();
    if (backgroundPaint != null) {
        g2.setPaint(backgroundPaint);
        g2.fill(clip);
    }

    GeneralPath bottomWall = new GeneralPath();
    bottomWall.moveTo(x0, y0);
    bottomWall.lineTo(x1, y1);
    bottomWall.lineTo(x3, y1);
    bottomWall.lineTo(x2, y0);
    bottomWall.closePath();
    g2.setPaint(getWallPaint());
    g2.fill(bottomWall);

    // draw background image, if there is one...
    Image backgroundImage = plot.getBackgroundImage();
    if (backgroundImage != null) {
        Rectangle2D adjusted = new Rectangle2D.Double(dataArea.getX() + getXOffset(), dataArea.getY(),
                dataArea.getWidth() - getXOffset(), dataArea.getHeight() - getYOffset());
        plot.drawBackgroundImage(g2, adjusted);
    }

    g2.setComposite(originalComposite);

}

---

From source file:org.openmeetings.app.data.record.BatikMethods.java

public void paintEllipse2D(Graphics2D g2d, double x, double y, double width, double height, Color linecoler,
        int thickness, Color fillColor, float alpha) throws Exception {

    g2d.setStroke(new BasicStroke(thickness, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));

    int[] rules = new int[8];

    //all possible Compositing Rules:
    rules[0] = AlphaComposite.SRC_OVER;
    rules[1] = AlphaComposite.DST_OVER;
    rules[2] = AlphaComposite.CLEAR;
    rules[3] = AlphaComposite.SRC;
    rules[4] = AlphaComposite.SRC_IN;
    rules[5] = AlphaComposite.DST_IN;
    rules[6] = AlphaComposite.SRC_OUT;
    rules[7] = AlphaComposite.DST_OUT;

    g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC, alpha));

    //int x, int y, int width, int height

    if (linecoler != null) {
        g2d.setPaint(linecoler);/*from w  ww .j  a v a  2  s. c  o m*/
        g2d.draw(new Ellipse2D.Double(x, y, width, height));
    }

    if (fillColor != null) {
        g2d.setPaint(fillColor);
        g2d.fill(new Ellipse2D.Double(x, y, width, height));
    }

}

---

From source file:org.openmeetings.app.data.record.BatikMethods.java

public void paintRect2D(Graphics2D g2d, double x, double y, double width, double height, Color linecoler,
        int thickness, Color fillColor, float alpha) throws Exception {

    g2d.setStroke(new BasicStroke(thickness, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));

    int[] rules = new int[8];

    //all possible Compositing Rules:
    rules[0] = AlphaComposite.SRC_OVER;
    rules[1] = AlphaComposite.DST_OVER;
    rules[2] = AlphaComposite.CLEAR;
    rules[3] = AlphaComposite.SRC;
    rules[4] = AlphaComposite.SRC_IN;
    rules[5] = AlphaComposite.DST_IN;
    rules[6] = AlphaComposite.SRC_OUT;
    rules[7] = AlphaComposite.DST_OUT;

    g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC, alpha));

    //int x, int y, int width, int height

    if (linecoler != null) {
        g2d.setPaint(linecoler);//w  w  w  .ja  v  a 2s .  c o  m
        g2d.draw(new Rectangle2D.Double(x, y, width, height));
    }

    if (fillColor != null) {
        g2d.setPaint(fillColor);
        g2d.fill(new Rectangle2D.Double(x, y, width, height));
    }

}

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