Example usage for java.awt Graphics2D setPaint

Introduction

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

Prototype

public abstract void setPaint(Paint paint);

Source Link

Document

Sets the Paint attribute for the Graphics2D context.

Usage

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);

    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);//www .j  a  va2s . c om
}

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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);

    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  www  . ja v  a 2s  .  c  o  m*/
}

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From source file:figs.treeVisualization.gui.PhyloDateAxis.java

/**
  * Draws an axis line at the current cursor position and edge.
  * /*  w w w .  j  ava  2  s. c om*/
  * This always uses RectangleEdge.RIGHT, so the cursor is the x position.
  * 
  * @param g2  the graphics device.
  * @param cursor  the cursor position. 
  * @param dataArea  the data area.
  * @param edge  the edge.
  * 
  * Original method is in <code>org.jfree.chart.axis.ValueAxis</code>
  */
protected void drawAxisLine(Graphics2D g2, double cursor, Rectangle2D dataArea) {

    if (!isAxisLineVisible()) {
        // originally in drawTickMarksAndLabels
        return;
    }

    Line2D axisLine = new Line2D.Double(cursor, dataArea.getY(), cursor, dataArea.getHeight());

    g2.setPaint(getAxisLinePaint());
    g2.setStroke(getAxisLineStroke());
    g2.draw(axisLine);

}

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From source file:org.geotools.renderer.chart.GeometryRenderer.java

public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo plotInfo,
        XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item,
        CrosshairState crosshairState, int pass) {

    GeometryDataset gd = (GeometryDataset) dataset;
    Geometry g = gd.getGeometries().get(series);

    g2.setPaint(getItemPaint(series, item));
    g2.setStroke(getItemStroke(series, item));

    if (pass == 0) {
        drawGeometry(g, g2, series, item, dataArea, plot, domainAxis, rangeAxis);
    }// www.  j  ava2  s  . com

    if (pass == 1 && renderCoordinates) {
        // second pass to render coordinates 
        if (g instanceof Point || g instanceof MultiPoint) {
            //already rendered in pass 0 
            return;
        }

        for (Coordinate c : g.getCoordinates()) {
            drawCoordinate(c, g2, series, item, dataArea, plot, domainAxis, rangeAxis);
        }
    }

}

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

public boolean renderArea(Graphics2D g2, Rectangle2D dataArea) {

    CoreStatusEvent statusEv = new CoreStatusEvent(this);
    g2.setPaint(paint);

    final double parHStep, parVStep;
    double parHLower = domainAxis.getRange().getLowerBound();
    double parHUpper = domainAxis.getRange().getUpperBound();
    double parVLower = rangeAxis.getRange().getLowerBound();
    double parVUpper = rangeAxis.getRange().getUpperBound();

    parHStep = Math.abs(parHUpper - parHLower) / dataArea.getWidth();
    parVStep = Math.abs(parVUpper - parVLower) / dataArea.getHeight();

    final BufferedImage image = new BufferedImage((int) dataArea.getWidth(), (int) dataArea.getHeight(),
            BufferedImage.TYPE_INT_RGB);
    WritableRaster raster = image.getRaster();
    DataBufferInt dataBuffer = (DataBufferInt) raster.getDataBuffer();
    int[] data = dataBuffer.getData();

    final double parHStart = parHLower + parHStep / 2;
    final double parVStart = parVUpper - parVStep / 2;

    for (int i = 0; i < (int) dataArea.getWidth(); i++) {
        for (int j = 0; j < (int) dataArea.getHeight(); j++) {

            parameters.put(firstParLabel, parHStart + i * parHStep);
            parameters.put(secondParLabel, parVStart - j * parVStep);

            double[] result;
            int color;

            try {
                result = Lua.evaluateLyapunovExponents(model, parameters, initialPoint, iterations);
            } catch (ModelException e) {
                String mess = "Exception while:\n" + dumpVariableDoubles(parameters)
                        + dumpVariableDoubles(initialPoint);
                throw new ModelException(mess, e);
            }//from  ww  w  . j a  va  2s  . c o m

            if (result == null) {
                System.out.println("i: " + i + " j: " + j);
                System.out.println("par1: " + parHStart + i * parHStep);
                System.out.println("par2: " + parVStart + j * parVStep);
                g2.drawImage(image, null, (int) dataArea.getX() + 1, (int) dataArea.getY() + 1);
                statusEv.setStatusString("exception");
                statusEv.setType(CoreStatusEvent.STRING);
                notifyCoreStatusListeners(statusEv);
                return false;
            }

            // both zero
            if (Math.abs(result[0]) < epsilon && Math.abs(result[1]) < epsilon) {
                color = Color.black.getRGB();
            }
            // one zero one positive
            else if (Math.abs(result[0]) < epsilon && result[1] > 0
                    || Math.abs(result[1]) < epsilon && result[0] > 0) {
                color = Color.red.getRGB();
            }
            // one zero one negative
            else if (Math.abs(result[0]) < epsilon && result[1] < 0
                    || Math.abs(result[1]) < epsilon && result[0] < 0) {
                color = Color.blue.getRGB();
            }
            // one positive one negative
            else if (result[0] < 0 && result[1] > 0 || result[1] < 0 && result[0] > 0) {
                color = Color.green.getRGB();
            }
            // both positive
            else if (result[0] > 0 && result[1] > 0) {
                color = Color.orange.getRGB();
            }
            // both negative
            else if (result[0] < 0 && result[1] < 0) {
                color = Color.pink.getRGB();
            } else { // impossible
                color = Color.yellow.getRGB();
            }

            data[i + j * (int) dataArea.getWidth()] = color;

            if (stopped == true) {
                return false;
            }
            if (j == (int) dataArea.getHeight() - 1) {
                g2.drawImage(image, null, (int) dataArea.getX() + 1, (int) dataArea.getY() + 1);
                statusEv.setPercent(0);
                statusEv.setType(CoreStatusEvent.COUNT | CoreStatusEvent.PERCENT);
                notifyCoreStatusListeners(statusEv);
            }
        }
    }

    return true;
}

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From source file:TextureWithBufferedImage.java

public void paint(Graphics g) {
    Graphics2D g2D = (Graphics2D) g;
    Rectangle2D rec1, rec2, rec3, rec4, rec5;
    rec1 = new Rectangle2D.Float(25, 25, 75, 150);
    rec2 = new Rectangle2D.Float(125, 25, 10, 75);
    rec3 = new Rectangle2D.Float(75, 125, 125, 75);
    rec4 = new Rectangle2D.Float(25, 15, 12, 75);
    rec5 = new Rectangle2D.Float(15, 50, 15, 15);

    AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1);
    g2D.setComposite(ac);/*from  ww  w . j ava2 s  . c  o m*/

    g2D.setStroke(new BasicStroke(5.0f));
    g2D.draw(rec1);
    GradientPaint gp = new GradientPaint(125f, 25f, Color.yellow, 225f, 100f, Color.blue);
    g2D.setPaint(gp);
    g2D.fill(rec2);
    BufferedImage bi = new BufferedImage(5, 5, BufferedImage.TYPE_INT_RGB);
    Graphics2D big = bi.createGraphics();
    big.setColor(Color.magenta);
    big.fillRect(0, 0, 5, 5);
    big.setColor(Color.black);
    big.drawLine(0, 0, 5, 5);
    Rectangle r = new Rectangle(0, 0, 5, 5);
    TexturePaint tp = new TexturePaint(bi, r);

    g2D.setPaint(tp);
    g2D.fill(rec3);
    g2D.setColor(Color.green);
    g2D.fill(rec4);
    g2D.setColor(Color.red);
    g2D.fill(rec5);
}

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From source file:com.aurel.track.report.gantt.data.TrackGanttRenderer.java

/** Prints the specified labelstring.
 * The x coordinate specifies the startposition.
 * The y coordinate specifies the lower startposition of the label.
 * If alignRight is true, this method subtracts the length of the 
 * labelstring and 3 pixels from the x coordinate.
 * Otherwise it adds 3 pixels to the x coordinate.
 *///from   w ww  .j av  a  2s.  com
private void drawLabel(String s, Graphics2D g2, int _x, int _y, Font f, boolean alignRight) {

    g2.setPaint(Color.black);
    g2.setFont(f);

    int x = 0;

    if (alignRight) {
        // subtract the length neede to print the label from the x coordinate
        x = _x - g2.getFontMetrics().stringWidth(s) - 3;
    } else {
        x = _x + 3;
    }

    // correct the very first and very last point in the diagram.
    if (startLabels > x) {
        startLabels = x;
    }

    if (stopLabels < x + g2.getFontMetrics().stringWidth(s)) {
        stopLabels = x + g2.getFontMetrics().stringWidth(s);
    }

    g2.drawString(s, x, _y);

}

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From source file:org.kuali.mobility.people.service.PeopleServiceImpl.java

@Override
public BufferedImage generateObfuscatedImage(String text) {
    int width = 250;
    int height = 25;

    BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

    Graphics2D g2d = bufferedImage.createGraphics();
    Font font = new Font("Arial", Font.PLAIN, 14);
    g2d.setFont(font);//from   ww w.  j a  v a  2 s .  co m

    RenderingHints rh = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    rh.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);

    g2d.setRenderingHints(rh);

    Paint bg = new Color(255, 255, 255);
    g2d.setPaint(bg);
    g2d.fillRect(0, 0, width, height);

    int x = 0;
    int y = height - 7;

    Paint textPaint = new Color(0, 0, 0);
    g2d.setPaint(textPaint);
    g2d.drawString(text, x, y);

    g2d.dispose();
    return bufferedImage;
}

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From source file:com.rapidminer.gui.plotter.charts.RapidXYBarPainter.java

@Override
public void paintBar(Graphics2D g2, XYBarRenderer renderer, int row, int column, RectangularShape bar,
        RectangleEdge base) {/*w  w  w .j ava  2  s.c  o m*/
    Paint itemPaint = renderer.getItemPaint(row, column);

    Color c0 = null;

    if (itemPaint instanceof Color) {
        c0 = (Color) itemPaint;
    } else {
        c0 = SwingTools.DARK_BLUE;
    }

    // as a special case, if the bar color has alpha == 0, we draw
    // nothing.
    if (c0.getAlpha() == 0) {
        return;
    }

    g2.setPaint(c0);
    g2.fill(new Rectangle2D.Double(bar.getMinX(), bar.getMinY(), bar.getWidth(), bar.getHeight()));

    // draw the outline...
    if (renderer.isDrawBarOutline()) {
        Stroke stroke = renderer.getItemOutlineStroke(row, column);
        Paint paint = renderer.getItemOutlinePaint(row, column);
        if (stroke != null && paint != null) {
            g2.setStroke(stroke);
            g2.setPaint(paint);
            g2.draw(bar);
        }
    }
}

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From source file:ColorBlocks.java

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

    Dimension d = getSize();//from www  .j a  v  a  2  s . c o m
    g2.translate(d.width / 2, d.height / 2);

    Color[] colors = { Color.white, Color.lightGray, Color.gray, Color.darkGray, Color.black, Color.red,
            Color.pink, Color.orange, Color.yellow, Color.green, Color.magenta, Color.cyan, Color.blue };

    float size = 25;
    float x = -size * colors.length / 2;
    float y = -size * 3 / 2;

    // Show all the predefined colors.
    for (int i = 0; i < colors.length; i++) {
        Rectangle2D r = new Rectangle2D.Float(x + size * (float) i, y, size, size);
        g2.setPaint(colors[i]);
        g2.fill(r);
    }

    //a linear gradient.
    y += size;
    Color c1 = Color.yellow;
    Color c2 = Color.blue;
    for (int i = 0; i < colors.length; i++) {
        float ratio = (float) i / (float) colors.length;
        int red = (int) (c2.getRed() * ratio + c1.getRed() * (1 - ratio));
        int green = (int) (c2.getGreen() * ratio + c1.getGreen() * (1 - ratio));
        int blue = (int) (c2.getBlue() * ratio + c1.getBlue() * (1 - ratio));
        Color c = new Color(red, green, blue);
        Rectangle2D r = new Rectangle2D.Float(x + size * (float) i, y, size, size);
        g2.setPaint(c);
        g2.fill(r);
    }

    // Show an alpha gradient.
    y += size;
    c1 = Color.red;
    for (int i = 0; i < colors.length; i++) {
        int alpha = (int) (255 * (float) i / (float) colors.length);
        Color c = new Color(c1.getRed(), c1.getGreen(), c1.getBlue(), alpha);
        Rectangle2D r = new Rectangle2D.Float(x + size * (float) i, y, size, size);
        g2.setPaint(c);
        g2.fill(r);
    }

    // Draw a frame around the whole thing.
    y -= size * 2;
    Rectangle2D frame = new Rectangle2D.Float(x, y, size * colors.length, size * 3);
    g2.setPaint(Color.black);
    g2.draw(frame);
}

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