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:dataminning2.Graphplot.java

protected void paintComponent(Graphics g) {
    super.paintComponent(g);

    Graphics2D g2 = (Graphics2D) g;
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    int w = getWidth();
    int h = getHeight();
    // Draw ordinate.
    g2.draw(new Line2D.Double(PAD, PAD, PAD, h - PAD));
    // Draw abcissa.
    g2.draw(new Line2D.Double(PAD, h - PAD, w - PAD, h - PAD));
    double xInc = (double) (w - 2 * PAD) / (data.length - 1);
    double scale = (double) (h - 2 * PAD) / 88;
    // Mark data points.
    g2.setPaint(Color.red);
    int length1 = 0;
    int length2 = data.length / 3;
    for (int i = 0; i < length2; i++) {
        double x = PAD + i * dataX[i];
        double y = h - PAD - scale * dataY[i];
        g2.fill(new Ellipse2D.Double(x - 2, y - 2, 4, 4));
    }//from   w  w  w  .java2s.c o  m
    g2.setPaint(Color.BLUE);
    int lengthnew = length1 + length2;
    length2 = length2 + lengthnew;
    for (int i = lengthnew; i < length2; i++) {
        double x = PAD + i * dataX[i];
        double y = h - PAD - scale * dataY[i];
        g2.fill(new Ellipse2D.Double(x - 2, y - 2, 4, 4));
    }
    g2.setPaint(Color.YELLOW);
    lengthnew = lengthnew + lengthnew;
    for (int i = length2; i < data.length; i++) {
        double x = PAD + i * dataX[i];
        double y = h - PAD - scale * dataY[i];
        g2.fill(new Ellipse2D.Double(x - 2, y - 2, 4, 4));
    }
}

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

public void paintLine(Graphics2D g2d, int x1, int y1, int x2, int y2, Color col) throws Exception {
    g2d.setPaint(col);
    g2d.drawLine(x1, y1, x2, y2);/*from ww w  .j a v  a 2  s.co  m*/
}

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

public void drawThickLine(Graphics2D g2d, int x1, int y1, int x2, int y2, int width, Color c) throws Exception {
    g2d.setPaint(c);
    g2d.setStroke(new BasicStroke(width, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
    g2d.drawLine(x1, y1, x2, y2);/* w  w w .j a v a  2  s. c  om*/
}

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From source file:dataminning2.DBScanGraphplot.java

protected void paintComponent(Graphics g) {
    super.paintComponent(g);

    Graphics2D g2 = (Graphics2D) g;
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    int w = getWidth();
    int h = getHeight();
    // Draw ordinate.
    g2.draw(new Line2D.Double(PAD, PAD, PAD, h - PAD));
    // Draw abcissa.
    g2.draw(new Line2D.Double(PAD, h - PAD, w - PAD, h - PAD));
    double xInc = (double) (w - 2 * PAD) / (data.length - 1);
    double scale = (double) (h - 2 * PAD) / 88;
    // Mark data points.
    g2.setPaint(Color.red);
    int length1 = 0;
    int length2 = data.length / 3;
    for (int i = 0; i < data.length; i++) {
        double x = PAD + i * dataX[i];
        double y = h - PAD - scale * dataY[i];
        g2.fill(new Ellipse2D.Double(x - 2, y - 2, 4, 4));
    }/*from  www .  j a  v  a  2s.c  o  m*/

}

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From source file:GradientPane.java

public void paint(Graphics g) {
    Graphics2D g2D = (Graphics2D) g;
    Point2D.Float p1 = new Point2D.Float(150.f, 75.f); // Gradient line start
    Point2D.Float p2 = new Point2D.Float(250.f, 75.f); // Gradient line end
    float width = 300;
    float height = 50;
    Rectangle2D.Float rect1 = new Rectangle2D.Float(p1.x - 100, p1.y - 25, width, height);
    GradientPaint g2 = new GradientPaint(p1, Color.WHITE, p2, Color.DARK_GRAY, false); // Acyclic
                                                                                       // gradient
    rect1.setRect(p1.x - 100, p1.y - 25, width, height);
    g2D.setPaint(g2); // Gradient color fill
    g2D.fill(rect1); // Fill the rectangle
    g2D.setPaint(Color.BLACK); // Outline in black
    g2D.draw(rect1); // Fill the rectangle
    g2D.draw(new Line2D.Float(p1, p2));
}

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From source file:org.openfaces.component.chart.impl.renderers.LineFillRenderer.java

private void drawItemShape(Graphics2D g2, int row, int column, Shape shape) {
    if (getItemShapeFilled(row, column)) {
        g2.setPaint(getUseFillPaint() ? getItemFillPaint(row, column) : getItemPaint(row, column));

        g2.fill(shape);/*www  . j av  a2s  .  co  m*/
    }

    if (getDrawOutlines()) {
        g2.setPaint(getUseOutlinePaint() ? getItemOutlinePaint(row, column) : getItemPaint(row, column));

        g2.setStroke(getItemOutlineStroke(row, column));

        g2.draw(shape);
    }
}

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From source file:net.sourceforge.processdash.ui.lib.chart.StandardDiscItemRenderer.java

protected void drawDiscLabel(Graphics2D g2, Ellipse2D shape, Paint labelPaint, Font labelFont, String label) {
    g2.setFont(labelFont);/*www  . j a va2 s .  c o m*/
    g2.setPaint(labelPaint);
    FontMetrics m = g2.getFontMetrics();
    int height = m.getAscent();
    double halfHeight = height / 2.0;

    double radius = shape.getWidth() / 2;
    double availableRadius = radius - getLabelPadding();
    double halfWidth = Math.sqrt(availableRadius * availableRadius - halfHeight * halfHeight);

    int width = (int) Math.floor(halfWidth * 2 + 0.99);

    Rectangle viewR = new Rectangle(width, height);
    Rectangle iconR = new Rectangle();
    Rectangle textR = new Rectangle();
    String text = SwingUtilities.layoutCompoundLabel(m, label, null, SwingConstants.CENTER,
            SwingConstants.CENTER, SwingConstants.CENTER, SwingConstants.TRAILING, viewR, iconR, textR, 0);
    if (text.equals(label) || text.length() >= 3 + minLabelChars) {
        double x = shape.getCenterX() - halfWidth + textR.x;
        double y = shape.getCenterY() + halfHeight + textR.y;
        g2.drawString(text, (float) x, (float) y);
    }
}

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From source file:be.ugent.maf.cellmissy.gui.view.renderer.jfreechart.CompassRenderer.java

@Override
public void drawSeries(Graphics2D g2, Rectangle2D dataArea, PlotRenderingInfo info, PolarPlot plot,
        XYDataset dataset, int seriesIndex) {

    // compute the right color for the paint
    int length = GuiUtils.getAvailableColors().length;
    Color color = GuiUtils.getAvailableColors()[index % length];
    // get all the data points
    int numPoints = dataset.getItemCount(seriesIndex);
    // set STroke and Paint of the graphics
    g2.setStroke(new BasicStroke(1.5f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND));
    g2.setPaint(new Color(color.getRed(), color.getGreen(), color.getBlue(), 175));

    // iterate through the points of the dataset
    for (int i = 0; i < numPoints; i++) {
        double theta = dataset.getXValue(seriesIndex, i); // the angle at the center         
        double radius = dataset.getYValue(seriesIndex, i); // the frequency

        Point p0 = plot.translateToJava2D(0, 0, plot.getAxis(), dataArea);
        Point p1 = plot.translateToJava2D(theta, radius, plot.getAxis(), dataArea);

        Line2D line = new Line2D.Double(p0, p1);
        g2.draw(line);/*  www  .j  av a 2 s.  c om*/
    }
}

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From source file:org.fhcrc.cpl.viewer.mrm.utilities.MRMerMouseListener.java

/**
 * Draws zoom rectangle (if present).//from w ww . j ava  2s  .  com
 * The drawing is performed in XOR mode, therefore
 * when this method is called twice in a row,
 * the second call will completely restore the state
 * of the canvas.
 *
 * @param g2 the graphics device.
 */
private void drawCoElutionRegion(Graphics2D g2) {
    // Set XOR mode to draw the zoom rectangle
    if (g2 == null)
        return;
    Paint origColor = g2.getPaint();
    //        g2.setXORMode(Color.gray);
    g2.setXORMode(new Color(30, 10, 30, 5));
    if (this.coElutionRegion != null) {
        g2.fill(this.coElutionRegion);
        g2.setPaint(Color.white);
        g2.setStroke(new BasicStroke(3.0f));
        g2.draw(this.coElutionRegion);
    }
    g2.setPaintMode();
    g2.setPaint(origColor);
}

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From source file:net.team2xh.crt.gui.editor.EditorTextPane.java

/**
 * Paints the background, the margin background and the margin line.
 *
 * @param g// w  w w. java2 s.co  m
 */
@Override
public void paintComponent(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;
    int m = marginSize;
    int w = getWidth(), h = getHeight();
    // Background
    g2d.setPaint(Theme.getTheme().COLOR_02);
    g2d.fillRect(0, 0, m, h);
    // Margin background
    if (m < w) {
        g2d.setColor(Theme.getTheme().COLOR_01);
        g2d.fillRect(m, 0, w - m, h);
    }
    // Margin line
    g2d.setColor(Theme.getTheme().COLOR_04);
    g2d.drawLine(m, 0, m, h);
    // Draw the rest
    super.paintComponent(g);
}

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