Example usage for java.awt Graphics2D create

Introduction

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

Prototype

public abstract Graphics create();

Source Link

Document

Creates a new Graphics object that is a copy of this Graphics object.

Usage

From source file:image.writer.ImageWriterExample1.java

/**
 * Paints a few things on a Graphics2D instance.
 * @param g2d the Graphics2D instance/*from  w  w w .  j  a  v  a 2 s  .  c  o  m*/
 * @param pageNum a page number
 */
protected void paintSome(Graphics2D g2d, int pageNum) {
    //Paint a bounding box
    g2d.drawRect(0, 0, 400, 200);

    //A few rectangles rotated and with different color
    Graphics2D copy = (Graphics2D) g2d.create();
    int c = 12;
    for (int i = 0; i < c; i++) {
        float f = ((i + 1) / (float) c);
        Color col = new Color(0.0f, 1 - f, 0.0f);
        copy.setColor(col);
        copy.fillRect(70, 90, 50, 50);
        copy.rotate(-2 * Math.PI / (double) c, 70, 90);
    }
    copy.dispose();

    //Some text
    copy = (Graphics2D) g2d.create();
    copy.rotate(-0.25);
    copy.setColor(Color.RED);
    copy.setFont(new Font("sans-serif", Font.PLAIN, 36));
    copy.drawString("Hello world!", 140, 140);
    copy.setColor(Color.RED.darker());
    copy.setFont(new Font("serif", Font.PLAIN, 36));
    copy.drawString("Hello world!", 140, 180);
    copy.dispose();

    //Try attributed text
    AttributedString aString = new AttributedString("This is attributed text.");
    aString.addAttribute(TextAttribute.FAMILY, "SansSerif");
    aString.addAttribute(TextAttribute.FAMILY, "Serif", 8, 18);
    aString.addAttribute(TextAttribute.FOREGROUND, Color.orange, 8, 18);
    g2d.drawString(aString.getIterator(), 250, 170);

    g2d.drawString("Page: " + pageNum, 250, 190);
}

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From source file:main.MapKit.java

@Override
public void paintWaypoint(Graphics2D g, JXMapViewer viewer, MyWaypoint w) {
    g = (Graphics2D) g.create();

    Point2D point = viewer.getTileFactory().geoToPixel(w.getPosition(), viewer.getZoom());
    int x = (int) point.getX();
    int y = (int) point.getY();

    if (w.amount == -1) { //means it's an original data point
        int fontSize = 28 - viewer.getZoom() * 2; //font size is larger when zoom in
        if (fontSize < 6)
            fontSize = 6;//from  w  w w. j av  a 2 s .  c  om
        g.setFont(new Font("Arial", Font.PLAIN, fontSize));
        g.setColor(w.color);
        g.drawString("x", x - fontSize / 2, y + fontSize / 2);
        g.dispose();
        return;
    }

    if (origImage == null) {
        return;
    }

    BufferedImage myImg = map.get(w.color);

    if (myImg == null) {
        myImg = convert(origImage, w.color);
        map.put(w.color, myImg);
    }

    g.drawImage(myImg, x - myImg.getWidth() / 2, y - myImg.getHeight(), null);

    String label = String.valueOf(w.amount);

    //      g.setFont(font);
    FontMetrics metrics = g.getFontMetrics();
    int tw = metrics.stringWidth(label);
    int th = 1 + metrics.getAscent();

    //      g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g.drawString(label, x - tw / 2, y + th);

    g.dispose();
}

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

/**
 * Draws a single character./*w  w  w  .j av  a2  s.  co m*/
 *
 * @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:no.met.jtimeseries.chart.XYCloudSymbolRenderer.java

/**
 * Draws the visual representation of a single symbol.
 *///from   www  .  j  ava  2 s .c  o m
@Override
public void drawItem(Graphics2D g2d, XYItemRendererState state, Rectangle2D plotArea, PlotRenderingInfo info,
        XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item,
        CrosshairState crosshairState, int pass) {
    // Needs a new graphics object to use translate() and rotate()
    Graphics2D g2 = (Graphics2D) g2d.create();
    g2.setRenderingHints(renderHints);

    double middleY = plotArea.getCenterY();
    CloudDataset cloudData = (CloudDataset) dataset;
    Number x = cloudData.getX(series, item);
    double middleX = domainAxis.valueToJava2D(x.doubleValue(), plotArea, plot.getDomainAxisEdge());
    g2.translate((int) middleX, (int) middleY); // make x=0, y=0 the middle of the symbol
    g2.setStroke(new BasicStroke());
    double height = plotArea.getHeight() - 2;

    // we set the width to be 20 which is the same as the weather symbols 
    double width = calculateWidth(plotArea.getWidth());
    double startX = -(width / 2);
    double startY[] = { -(height / 2), -(height / 4), 0, (height / 4) };
    double values[] = { (cloudData.getHighClouds(series, item).doubleValue() / 100.0),
            (cloudData.getMediumClouds(series, item).doubleValue() / 100.0),
            (cloudData.getLowClouds(series, item).doubleValue() / 100.0),
            (cloudData.getFog(series, item).doubleValue() / 100.0) };

    for (int i = 0; i < values.length; i++) { // for each cloud type
        g2.setColor(new Color(96, 96, 96));
        g2.fill(new Rectangle2D.Double(startX, startY[i], (width * values[i]), (height / 4 - 1))); // plot could
        g2.setColor(new Color(97, 204, 247));
        g2.fill(new Rectangle2D.Double(startX + (width * values[i]), startY[i], (width * (1 - values[i])),
                (height / 4 - 1))); // plot sky
    }
}

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From source file:org.pentaho.plugin.jfreereport.reportcharts.JFreeChartReportDrawable.java

public void draw(final Graphics2D graphics2D, final Rectangle2D bounds) {
    this.bounds = (Rectangle2D) bounds.clone();
    if (chartRenderingInfo != null) {
        this.chartRenderingInfo.clear();
    }//from  w w w.  ja v  a  2  s .  c o  m
    final Graphics2D g2 = (Graphics2D) graphics2D.create();
    this.chart.draw(g2, bounds, chartRenderingInfo);
    g2.dispose();

    if (chartRenderingInfo == null || debugRendering == false) {
        return;
    }

    graphics2D.setColor(Color.RED);
    final Rectangle2D dataArea = getDataAreaOffset();
    final EntityCollection entityCollection = chartRenderingInfo.getEntityCollection();
    for (int i = 0; i < entityCollection.getEntityCount(); i++) {
        final ChartEntity chartEntity = entityCollection.getEntity(i);
        if (chartEntity instanceof XYItemEntity || chartEntity instanceof CategoryItemEntity
                || chartEntity instanceof PieSectionEntity) {
            final Area a = new Area(chartEntity.getArea());
            if (buggyDrawArea) {
                a.transform(AffineTransform.getTranslateInstance(dataArea.getX(), dataArea.getY()));
            }
            a.intersect(new Area(dataArea));
            graphics2D.draw(a);
        } else {
            graphics2D.draw(chartEntity.getArea());
        }
    }
}

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

private void animateCowebPlot(Graphics2D g2, Rectangle2D dataArea) {

    Graphics2D g2bisec = (Graphics2D) g2.create();
    g2bisec.setColor(Color.blue);

    Stroke stroke = new BasicStroke(3f);
    Stroke origStroke = g2.getStroke();
    Color color = Color.BLACK;
    g2blink = (Graphics2D) g2.create();
    g2blink.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);

    g2blink.setXORMode(color);//  ww w  .j a  v  a  2s .co  m
    g2blink.setStroke(stroke);

    if (plot.isAlpha()) {
        g2bisec.setComposite(AlphaComposite.SrcOver);
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, plot.getForegroundAlpha()));
    }

    /* transients */
    stepper.setInitialValue(initialValue);
    stepper.initialize();

    state = STATE_TRANSIENTS;

    for (int index = 0; index < transients; index++) {

        stepper.step();

        if (stopped) {
            state = STATE_STOPPED;
            return;
        }
    }

    state = STATE_RUNNING;

    Range xDataRange = plot.getDataRange(domainAxis);
    int transX, transY, transX1, transY1;

    transX = (int) this.domainAxis.valueToJava2D(xDataRange.getLowerBound(), dataArea, RectangleEdge.BOTTOM);
    transY = (int) this.rangeAxis.valueToJava2D(xDataRange.getLowerBound(), dataArea, RectangleEdge.LEFT);
    transX1 = (int) this.domainAxis.valueToJava2D(xDataRange.getUpperBound(), dataArea, RectangleEdge.BOTTOM);
    transY1 = (int) this.rangeAxis.valueToJava2D(xDataRange.getUpperBound(), dataArea, RectangleEdge.LEFT);

    g2bisec.drawLine(transX, transY, transX1, transY1);

    //renderer.reset();

    recurseCoweb(g2, dataArea);
}

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From source file:no.met.jtimeseries.chart.XYWindArrowRenderer.java

/**
 * Draws the visual representation of a single wind arrow.
 *///  w w  w .jav  a  2  s  . co  m
@Override
public void drawItem(Graphics2D g2d, XYItemRendererState state, Rectangle2D plotArea, PlotRenderingInfo info,
        XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item,
        CrosshairState crosshairState, int pass) {
    resizeArrowByPlotHeight((int) plotArea.getHeight());
    // Needs a new graphics object to use translate() and rotate()
    Graphics2D g2 = (Graphics2D) g2d.create();
    g2.setRenderingHints(renderHints);
    RectangleEdge domainAxisLocation = plot.getDomainAxisEdge();
    double middleY = plotArea.getCenterY();

    WindDataset windData = (WindDataset) dataset;

    Number x = windData.getX(series, item);
    Number windDir = windData.getWindDirection(series, item);
    Number wforce = windData.getWindForce(series, item);

    double middleX = domainAxis.valueToJava2D(x.doubleValue(), plotArea, domainAxisLocation);

    g2.translate((int) middleX, (int) middleY);
    g2.setColor(Color.BLACK);

    if (wforce.doubleValue() <= zeroWindLimit) {
        drawCircle(g2);
    } else {
        g2.rotate(Math.toRadians(windDir.doubleValue() - 180));
        drawArrow(g2, wforce.doubleValue());

        if (useArrowHead) {
            g2.fill(getPolygonHead(arrowHeadSize, arrowHeight));
        } else {
            g2.draw(getCircleHead(arrowHeadSize, arrowHeight));
        }
    }
}

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From source file:LineGraphDrawable.java

/**
 * Draws the bar-graph into the given Graphics2D context in the given area.
 * This method will not draw a graph if the data given is null or empty.
 * /*from  ww  w . j  ava  2 s .co m*/
 * @param graphics
 *          the graphics context on which the bargraph should be rendered.
 * @param drawArea
 *          the area on which the bargraph should be drawn.
 */
public void draw(final Graphics2D graphics, final Rectangle2D drawArea) {
    if (graphics == null) {
        throw new NullPointerException();
    }
    if (drawArea == null) {
        throw new NullPointerException();
    }

    final int height = (int) drawArea.getHeight();
    if (height <= 0) {
        return;
    }

    final Graphics2D g2 = (Graphics2D) graphics.create();
    if (background != null) {
        g2.setPaint(background);
        g2.draw(drawArea);
    }

    if (data == null || data.length == 0) {
        g2.dispose();
        return;
    }

    g2.translate(drawArea.getX(), drawArea.getY());

    float d = getDivisor(data, height);
    final int spacing = getSpacing();
    final int w = (((int) drawArea.getWidth()) - (spacing * (data.length - 1))) / (data.length - 1);

    float min = Float.MAX_VALUE;
    for (int index = 0; index < data.length; index++) {
        Number i = data[index];
        if (i == null) {
            continue;
        }
        final float value = i.floatValue();
        if (value < min) {
            min = value;
        }
    }

    int x = 0;
    int y = -1;

    if (d == 0.0) {
        // special case -- a horizontal straight line
        d = 1.0f;
        y = -height / 2;
    }

    final Line2D.Double line = new Line2D.Double();
    for (int i = 0; i < data.length - 1; i++) {
        final int px1 = x;
        x += (w + spacing);
        final int px2 = x;

        g2.setPaint(color);

        final Number number = data[i];
        final Number nextNumber = data[i + 1];
        if (number == null && nextNumber == null) {
            final float delta = height - ((0 - min) / d);
            line.setLine(px1, y + delta, px2, y + delta);
        } else if (number == null) {
            line.setLine(px1, y + (height - ((0 - min) / d)), px2,
                    y + (height - ((nextNumber.floatValue() - min) / d)));
        } else if (nextNumber == null) {
            line.setLine(px1, y + (height - ((number.floatValue() - min) / d)), px2,
                    y + (height - ((0 - min) / d)));
        } else {
            line.setLine(px1, y + (height - ((number.floatValue() - min) / d)), px2,
                    y + (height - ((nextNumber.floatValue() - min) / d)));
        }
        g2.draw(line);

    }

    g2.dispose();

}

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From source file:convcao.com.agent.ConvcaoNeptusInteraction.java

@Override
public void paint(Graphics2D g2, StateRenderer2D renderer) {
    Graphics2D g = (Graphics2D) g2.create();

    Point2D center = renderer.getScreenPosition(coords.squareCenter);
    double width = renderer.getZoom() * coords.cellWidth * coords.numCols;
    double height = renderer.getZoom() * coords.cellWidth * coords.numRows;
    g.setColor(new Color(0, 0, 255, 64));
    g.translate(center.getX(), center.getY());
    g.rotate(-renderer.getRotation());/*w w  w.j a v  a2 s . c  om*/
    g.fill(new Rectangle2D.Double(-width / 2, -height / 2, width, height));
    g.rotate(renderer.getRotation());
    g.translate(-center.getX(), -center.getY());

    if (!active) {
        g.dispose();
        return;
    }

    g.setColor(Color.orange);
    int pos = 50;
    for (String v : nameTable.values()) {
        g.drawString(v + ": " + depths.get(v) + "m", 15, pos);
        pos += 20;
    }

    for (String vehicle : nameTable.values()) {
        LocationType src = positions.get(vehicle);
        LocationType dst = destinations.get(vehicle);

        if (!arrived.get(vehicle))
            g.setColor(Color.red.darker());
        else
            g.setColor(Color.green.darker());
        float dash[] = { 4.0f };
        g.setStroke(new BasicStroke(1.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 5.0f, dash, 0.0f));
        g.draw(new Line2D.Double(renderer.getScreenPosition(src), renderer.getScreenPosition(dst)));

        Point2D dstPt = renderer.getScreenPosition(dst);

        if (!arrived.get(vehicle))
            g.setColor(Color.red.darker());
        else
            g.setColor(Color.green.darker());

        g.fill(new Ellipse2D.Double(dstPt.getX() - 4, dstPt.getY() - 4, 8, 8));
    }

    g.dispose();
}

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From source file:com.versul.testes.JRViewerPanel.java

protected void paintPage(Graphics2D grx) {
    if (pageError) {
        paintPageError(grx);//from w  w w . j  av a 2 s  . c  om
        return;
    }

    try {
        if (exporter == null) {
            exporter = getGraphics2DExporter();
        } else {
            exporter.reset();
        }

        exporter.setParameter(JRExporterParameter.JASPER_PRINT, viewerContext.getJasperPrint());
        exporter.setParameter(JRGraphics2DExporterParameter.GRAPHICS_2D, grx.create());
        exporter.setParameter(JRExporterParameter.PAGE_INDEX, Integer.valueOf(viewerContext.getPageIndex()));
        exporter.setParameter(JRGraphics2DExporterParameter.ZOOM_RATIO, new Float(realZoom));
        exporter.setParameter(JRExporterParameter.OFFSET_X, Integer.valueOf(1)); //lblPage border
        exporter.setParameter(JRExporterParameter.OFFSET_Y, Integer.valueOf(1));
        //            exporter.setParameter(JRExporterParameter.FILE_RESOLVER, viewerContext.getFileResolver());
        exporter.exportReport();
    } catch (Exception e) {
        if (log.isErrorEnabled()) {
            log.error("Page paint error.", e);
        }

        pageError = true;

        paintPageError(grx);
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                JOptionPane.showMessageDialog(JRViewerPanel.this,
                        viewerContext.getBundleString("error.displaying"));
            }
        });
    }

}

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