Example usage for java.awt Graphics2D drawImage

List of usage examples for java.awt Graphics2D drawImage

Introduction

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

Prototype

public abstract void drawImage(BufferedImage img, BufferedImageOp op, int x, int y);

Source Link

Document

Renders a BufferedImage that is filtered with a BufferedImageOp .

Usage

From source file:de._13ducks.cor.graphics.GraphicsComponent.java

private void runRenderRoundFix(Graphics2D g2) {
    //System.out.println("This is runRenderRound, searching for <" + searchprop + "> mapsize(x,y) view [x,y]: (" + sizeX + "," + sizeY + ") [" + viewX + "," + viewY + "]");
    for (int x = 0; x < sizeX && x < viewX; x = x + 2) {
        for (int y = 0; y < sizeY && y < viewY; y = y + 2) {
            // X und Y durchlaufen, wenn ein Bild da ist, dann einbauen
            //              System.out.println("Searching for " + x + "," + y);
            String tex = null;//from  ww  w  . ja va  2s.  co m
            try {
                tex = visMap[x + positionX][y + positionY].getFix_tex();
            } catch (java.lang.ArrayIndexOutOfBoundsException ex) {
                // Kann beim Scrollein vorkommen - Einfach nichts zeichnen, denn da ist die Map zu Ende...
            }
            // Was da?
            if (tex != null) {
                // Bild suchen und einfgen
                CoRImage tempImage;
                if (colMode) {
                    // SW-Modus
                    BufferedImage newTemp = grayImgMap.get(tex).getImage();
                    tempImage = new CoRImage(newTemp);
                } else {
                    // Normalfall
                    tempImage = imgMap.get(tex);
                }

                if (tempImage != null) {
                    g2.drawImage(tempImage.getImage(), x * 10, (int) (y * 7.5), null);
                } else {
                    System.out.println("[RME][ERROR]: Image \"" + tex + "\" not found!");
                }

            }
            //  System.out.println(x + " " + y);
        }
    }
    for (int x = 0 + 1; x < sizeX && x < viewX; x = x + 2) {
        for (int y = 0 + 1; y < sizeY && y < viewY; y = y + 2) {
            // X und Y durchlaufen, wenn ein Bild da ist, dann einbauen
            // System.out.println("Searching for " + x + "," + y);
            String tex = null;
            try {
                tex = visMap[x + positionX][y + positionY].getFix_tex();
            } catch (java.lang.ArrayIndexOutOfBoundsException ex) {
                // Siehe oben, egal weil hier die Map zu Ende ist...
            }
            // Was da?
            if (tex != null) {
                // Bild suchen und einfgen
                CoRImage tempImage;
                if (colMode) {
                    // SW-Modus
                    BufferedImage newTemp = grayImgMap.get(tex).getImage();
                    tempImage = new CoRImage(newTemp);
                } else {
                    // Normalfall
                    tempImage = imgMap.get(tex);
                }

                if (tempImage != null) {
                    g2.drawImage(tempImage.getImage(), x * 10, (int) (y * 7.5), null);
                } else {
                    System.out.println("[RME][ERROR]: Image \"" + tex + "\" not found!");
                }

            }
        }
    }
}

From source file:de._13ducks.cor.graphics.GraphicsComponent.java

private void runRenderRoundGround(Graphics2D g2) {
    //System.out.println("This is runRenderRound, searching for <" + searchprop + "> mapsize(x,y) view [x,y]: (" + sizeX + "," + sizeY + ") [" + viewX + "," + viewY + "]");
    for (int x = 0; x < sizeX && x < viewX; x = x + 2) {
        for (int y = 0; y < sizeY && y < viewY; y = y + 2) {
            // X und Y durchlaufen, wenn ein Bild da ist, dann einbauen
            //              System.out.println("Searching for " + x + "," + y);
            String tex = null;//www .  jav  a2s  . co m
            try {
                tex = visMap[x + positionX][y + positionY].getGround_tex();
            } catch (java.lang.ArrayIndexOutOfBoundsException ex) {
                // Kann beim Scrollein vorkommen - Einfach nichts zeichnen, denn da ist die Map zu Ende...
            }
            // Was da?
            if (tex != null) {
                // Bild suchen und einfgen
                CoRImage tempImage;
                if (colMode) {
                    // SW-Modus
                    BufferedImage newTemp = grayImgMap.get(tex).getImage();
                    tempImage = new CoRImage(newTemp);
                } else {
                    // Normalfall
                    tempImage = imgMap.get(tex);
                }

                if (tempImage != null) {
                    g2.drawImage(tempImage.getImage(), x * 10, (int) (y * 7.5), null);
                } else {
                    System.out.println("[RME][ERROR]: Image \"" + tex + "\" not found!");
                }

            }
            //  System.out.println(x + " " + y);
        }
    }
    for (int x = 0 + 1; x < sizeX && x < viewX; x = x + 2) {
        for (int y = 0 + 1; y < sizeY && y < viewY; y = y + 2) {
            // X und Y durchlaufen, wenn ein Bild da ist, dann einbauen
            // System.out.println("Searching for " + x + "," + y);
            String tex = null;
            try {
                tex = visMap[x + positionX][y + positionY].getGround_tex();
            } catch (java.lang.ArrayIndexOutOfBoundsException ex) {
                // Siehe oben, egal weil hier die Map zu Ende ist...
            }
            // Was da?
            if (tex != null) {
                // Bild suchen und einfgen
                CoRImage tempImage;
                if (colMode) {
                    // SW-Modus
                    BufferedImage newTemp = grayImgMap.get(tex).getImage();
                    tempImage = new CoRImage(newTemp);
                } else {
                    // Normalfall
                    tempImage = imgMap.get(tex);
                }

                if (tempImage != null) {
                    g2.drawImage(tempImage.getImage(), x * 10, (int) (y * 7.5), null);
                } else {
                    System.out.println("[RME][ERROR]: Image \"" + tex + "\" not found!");
                }

            }
        }
    }
}

From source file:net.sf.mzmine.modules.visualization.twod.PointTwoDXYPlot.java

public boolean render(final Graphics2D g2, final Rectangle2D dataArea, int index, PlotRenderingInfo info,
        CrosshairState crosshairState) {

    // if this is not TwoDDataSet
    if (index != 0)
        return super.render(g2, dataArea, index, info, crosshairState);

    // prepare some necessary constants
    final int x = (int) dataArea.getX();
    final int y = (int) dataArea.getY();
    final int width = (int) dataArea.getWidth();
    final int height = (int) dataArea.getHeight();

    final double imageRTMin = (double) getDomainAxis().getRange().getLowerBound();
    final double imageRTMax = (double) getDomainAxis().getRange().getUpperBound();
    final double imageRTStep = (imageRTMax - imageRTMin) / width;
    final double imageMZMin = (double) getRangeAxis().getRange().getLowerBound();
    final double imageMZMax = (double) getRangeAxis().getRange().getUpperBound();
    final double imageMZStep = (imageMZMax - imageMZMin) / height;

    // This if statement below keeps the min max values at the original values when the user
    // zooms in. We need some variables that scall as the box size so that the points we show
    // have better resolution the more someone zooms in.

    double dynamicImageRTMin = imageRTMin;
    double dynamicImageRTMax = imageRTMax;
    double dynamicImageMZMin = imageMZMin;
    double dynamicImageMZMax = imageMZMax;
    double dynamicImageRTStep = imageRTStep;
    double dynamicImageMZStep = imageMZStep;

    if ((zoomOutBitmap != null) && (imageRTMin == totalRTRange.lowerEndpoint())
            && (imageRTMax == totalRTRange.upperEndpoint()) && (imageMZMin == totalMZRange.lowerEndpoint())
            && (imageMZMax == totalMZRange.upperEndpoint()) && (zoomOutBitmap.getWidth() == width)
            && (zoomOutBitmap.getHeight() == height)) {
        g2.drawImage(zoomOutBitmap, x, y, null);
        return true;
    }/* w ww. java2  s  .c o m*/

    // Save current time
    Date renderStartTime = new Date();

    // prepare a bitmap of required size
    //BufferedImage image = new BufferedImage(width, height,
    //BufferedImage.TYPE_INT_ARGB);

    //ArrayList<DataPoint> listOfDataPoints = new ArrayList<DataPoint>();
    //ArrayList<DataPoint> listOfRTValues = new ArrayList<DataPoint>();
    ArrayList<DataPoint> listOfDataPoints;
    ArrayList<Double> listOfRTValues;

    // These two function must be run in this order
    Range<Double> rtRangeIn = Range.closed(getDomainAxis().getRange().getLowerBound(),
            getDomainAxis().getRange().getUpperBound());
    Range<Double> mzRangeIn = Range.closed(getRangeAxis().getRange().getLowerBound(),
            getRangeAxis().getRange().getUpperBound());
    listOfDataPoints = dataset.getCentroidedDataPointsInRTMZRange(rtRangeIn, mzRangeIn);
    listOfRTValues = dataset.getrtValuesInUserRange();

    // points to be plotted
    List plotPoints = new ArrayList();

    int count = 0;

    // Store the current mz,rt,int values so that they can be outputed to a file if we want
    //currentlyPlottedMZ = new ArrayList();

    //for (Iterator dpIt = listOfDataPoints.iterator(); dpIt.hasNext();) {

    // make a list to keep track of the intesities of each
    for (DataPoint curDataPoint : listOfDataPoints) {

        //DataPoint curDataPoint = dpIt.next();
        double currentRT = listOfRTValues.get(count).doubleValue();
        double currentMZ = curDataPoint.getMZ();

        plotPoints.add(new Point2D.Double(currentRT, currentMZ));

        count += 1;

        //currentlyPlottedMZ.add()
    }

    // draw image points
    //for (int i = 0; i < width; i++)
    //    for (int j = 0; j < height; j++) {
    //   Color pointColor = paletteType.getColor(values[i][j]);
    //   //image.setRGB(i, height - j - 1, pointColor.getRGB());
    //    points.add(new Point2D.Float(i,j));
    //    }
    count = 0;
    for (Iterator i = plotPoints.iterator(); i.hasNext();) {
        Point2D.Double pt = (Point2D.Double) i.next();
        // using the ''dynamic'' min and max will make the resolution imporve as someone zooms
        // in 
        //float xPlace = (pt.x-(float)dynamicImageRTMin)/((float)dynamicImageRTStep) + x;
        //float yPlace = (pt.y-(float)dynamicImageMZMin)/((float)dynamicImageMZStep) + y;
        double xPlace = (pt.x - dynamicImageRTMin) / (dynamicImageRTStep) + (double) x;
        double yPlace = (double) height - (pt.y - dynamicImageMZMin) / (dynamicImageMZStep) + (double) y;

        //get the current intensity
        // use the R, G B for the intensity

        double curIntensity = listOfDataPoints.get(count).getIntensity();
        curIntensity = curIntensity / dataset.curMaxIntensity;

        //g2.setColor(Color.BLACK);
        Color pointColor = paletteType.getColor(curIntensity);
        g2.setColor(pointColor);
        Ellipse2D dot = new Ellipse2D.Double(xPlace - 1, yPlace - 1, 2, 2);
        g2.fill(dot);

        count += 1;
    }

    //float xPlace = ((float)42.0-(float)dynamicImageRTMin)/((float)dynamicImageRTStep)+x;
    //float yPlace = (float)height - ((float)201.02-(float)dynamicImageMZMin)/((float)dynamicImageMZStep)+y;
    //Ellipse2D dot = new Ellipse2D.Float(xPlace - 1, yPlace - 1, 2, 2);
    //g2.fill(dot);

    //g2.dispose();

    // if we are zoomed out, save the values
    if ((imageRTMin == totalRTRange.lowerEndpoint()) && (imageRTMax == totalRTRange.upperEndpoint())
            && (imageMZMin == totalMZRange.lowerEndpoint()) && (imageMZMax == totalMZRange.upperEndpoint())) {
        //zoomOutBitmap = image;
    }

    // Paint image
    //g2.drawImage(image, x, y, null);

    //g.setColor(Color.BLACK)

    Date renderFinishTime = new Date();

    logger.finest("Finished rendering 2D visualizer, "
            + (renderFinishTime.getTime() - renderStartTime.getTime()) + " ms");

    return true;

}

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

public void render(final Graphics2D g2, final Rectangle2D dataArea, final PlotRenderingInfo info) {

    state = STATE_RUNNING;/*from  www. ja  v  a2s .com*/

    gridWidth = (int) dataArea.getWidth();
    gridHeight = (int) dataArea.getHeight();

    //imageX,imageY correspond to point(0,0)
    int imageX = (int) dataArea.getX() + 1;
    int imageY = (int) dataArea.getY() + 1;

    DataBufferInt dataBuffer;

    image = new BufferedImage(gridWidth, gridHeight, BufferedImage.TYPE_INT_RGB);
    WritableRaster raster = image.getRaster();
    grid = ((DataBufferInt) raster.getDataBuffer()).getData();

    ValueAxis domainAxis = plot.getDomainAxis();
    ValueAxis rangeAxis = plot.getRangeAxis();

    xEpsilon = Math.abs((domainAxis.getUpperBound() - domainAxis.getLowerBound()) / (double) gridWidth);
    yEpsilon = Math.abs((rangeAxis.getUpperBound() - rangeAxis.getLowerBound()) / (double) gridHeight);

    int numPoints = gridHeight * gridWidth;
    int index = 0;
    int rate = numPoints / 100;

    if (justClearedSet) {
        if (criticalSetFound) {
            this.clearDisplay();
            g2.drawImage(image, null, imageX, imageY);
        }
        justClearedSet = false;
        return;
    }

    if (!notYetRendered) {
        plotCopiedDisplay();
        g2.drawImage(image, null, imageX, imageY);
    }
    notYetRendered = false;
    if (criticalSetFound && !findCriticalSetAgain) {
        if (this.chooseSegmentsSet)
            chooseSegments(g2, image, imageX, imageY);
        if (this.plotAttractorSet)
            plotAttractor(g2, image, imageX, imageY);
        if (this.iterateChosenSegmentsSet)
            iterateChosenSegments(g2, image, imageX, imageY);
        if (this.hideAttractorSet)
            hideAttractor(g2, image, imageX, imageY);
    } else {
        this.disableAllActionsExceptStop();
        det = new AbsorbingAreaRenderer.ImplicitDeterminant(gridWidth, gridHeight, epsilon, g2, image, imageX,
                imageY);
        gridBackup = new int[grid.length];
        copyDisplay();
        criticalSetFound = true;
        findCriticalSetAgain = false;
        g2.drawImage(image, null, imageX, imageY);
        this.enableAllActionsExceptStop();
    }
}

From source file:ImageOps.java

public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    int w = getSize().width;
    int h = getSize().height;

    g2.setColor(Color.black);/*from w ww.jav a 2s  . c o m*/
    float[][] data = { { 0.1f, 0.1f, 0.1f, // low-pass filter
            0.1f, 0.2f, 0.1f, 0.1f, 0.1f, 0.1f }, SHARPEN3x3_3 };

    String theDesc[] = { "Convolve LowPass", "Convolve Sharpen", "LookupOp", "RescaleOp" };
    for (int i = 0; i < bi.length; i++) {
        int iw = bi[i].getWidth(this);
        int ih = bi[i].getHeight(this);
        int x = 0, y = 0;

        AffineTransform at = new AffineTransform();
        at.scale((w - 14) / 2.0 / iw, (h - 34) / 2.0 / ih);

        BufferedImageOp biop = null;
        BufferedImage bimg = new BufferedImage(iw, ih, BufferedImage.TYPE_INT_RGB);

        switch (i) {
        case 0:
        case 1:
            x = i == 0 ? 5 : w / 2 + 3;
            y = 15;
            Kernel kernel = new Kernel(3, 3, data[i]);
            ConvolveOp cop = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null);
            cop.filter(bi[i], bimg);
            biop = new AffineTransformOp(at, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
            break;
        case 2:
            x = 5;
            y = h / 2 + 15;
            byte chlut[] = new byte[256];
            for (int j = 0; j < 200; j++)
                chlut[j] = (byte) (256 - j);
            ByteLookupTable blut = new ByteLookupTable(0, chlut);
            LookupOp lop = new LookupOp(blut, null);
            lop.filter(bi[i], bimg);
            biop = new AffineTransformOp(at, AffineTransformOp.TYPE_BILINEAR);
            break;
        case 3:
            x = w / 2 + 3;
            y = h / 2 + 15;
            RescaleOp rop = new RescaleOp(1.1f, 20.0f, null);
            rop.filter(bi[i], bimg);
            biop = new AffineTransformOp(at, AffineTransformOp.TYPE_BILINEAR);
        }
        g2.drawImage(bimg, biop, x, y);
        TextLayout tl = new TextLayout(theDesc[i], g2.getFont(), g2.getFontRenderContext());
        tl.draw(g2, (float) x, (float) y - 4);
    }
}

From source file:MyJava3D.java

public int print(Graphics g, PageFormat pf, int pi) throws PrinterException {
    if (pi >= 1) {
        return Printable.NO_SUCH_PAGE;
    }//from  w  w w.  ja  v a2s .  c  om

    Graphics2D g2d = (Graphics2D) g;
    g2d.translate(pf.getImageableX(), pf.getImageableY());
    g2d.translate(pf.getImageableWidth() / 2, pf.getImageableHeight() / 2);

    Dimension d = getSize();

    double scale = Math.min(pf.getImageableWidth() / d.width, pf.getImageableHeight() / d.height);
    if (scale < 1.0) {
        g2d.scale(scale, scale);
    }

    g2d.translate(-d.width / 2.0, -d.height / 2.0);

    if (bimg == null) {
        Graphics2D g2 = createGraphics2D(d.width, d.height, null, g2d);
        render(d.width, d.height, g2);
        g2.dispose();
    } else {
        g2d.drawImage(bimg, 0, 0, this);
    }

    return Printable.PAGE_EXISTS;
}

From source file:org.gumtree.vis.awt.JChartPanel.java

@Override
public Image getImage() {
    BufferedImage image = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    //      gc2.setBackground(Color.white);
    g2.setPaint(Color.white);/*w w  w .j  a va 2  s. c  o  m*/
    g2.fill(new Rectangle2D.Double(0, 0, getWidth(), getHeight()));
    if (getChart() != null) {
        Image chartImage = getChart().createBufferedImage((int) getWidth(), (int) getHeight());
        g2.drawImage(chartImage, 0, 0, this);
        ChartMaskingUtilities.drawMasks(g2, getScreenDataArea(), maskList, null, getChart());
    }
    g2.dispose();
    return image;
}

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);//from w  ww  .j a  v  a  2s  .co  m

    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);
            }

            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;
}

From source file:ucar.unidata.idv.control.chart.TimeSeriesChart.java

/**
 * draw the time line/*from w  w w  .  ja  v a  2  s  .c  om*/
 *
 * @param g2 param
 * @param plot param
 * @param dataArea param
 * @param domainAxis param
 * @param rangeAxis param
 * @param rendererIndex param
 * @param info param
 */
private void drawTime(Graphics2D g2, XYPlot plot, Rectangle2D dataArea, ValueAxis domainAxis,
        ValueAxis rangeAxis, int rendererIndex, PlotRenderingInfo info) {
    try {
        Animation animation = control.getSomeAnimation();
        if (animation == null) {
            return;
        }
        Real dttm = animation.getAniValue();
        if (dttm == null) {
            return;
        }
        g2.setStroke(new BasicStroke());
        g2.setColor(Color.black);
        double timeValue = dttm.getValue(CommonUnit.secondsSinceTheEpoch);
        int x = (int) domainAxis.valueToJava2D(timeValue * 1000, dataArea, RectangleEdge.BOTTOM);
        if ((x < dataArea.getX()) || (x > dataArea.getX() + dataArea.getWidth())) {
            return;
        }

        int bottom = (int) (dataArea.getY() + dataArea.getHeight());
        int top = (int) (dataArea.getY());
        int offset = 0;
        if (false && (clockImage == null)) {
            clockImage = GuiUtils.getImage("/auxdata/ui/icons/clock.gif");
            clockImage.getHeight(this);
            offset = clockImage.getHeight(null);
        }

        //            g2.drawLine(x, (int) dataArea.getY(), x, bottom - offset);
        int w = 8;
        int w2 = w / 2;
        int[] xs = { x - w2, x, x + w2, x };
        int[] ys = { top, top + w, top, top };
        //            g2.drawLine(x, top, x, top+10);
        g2.fillPolygon(xs, ys, xs.length);
        if (clockImage != null) {
            g2.drawImage(clockImage, x - clockImage.getWidth(null) / 2, bottom - clockImage.getHeight(null),
                    null);
        }
    } catch (VisADException exc) {
    } catch (RemoteException exc) {
    }
}

From source file:net.geoprism.dashboard.DashboardMap.java

private BufferedImage getLegendTitleImage(DashboardLayer layer) {

    FontMetrics fm;/*from  w w w .ja v  a  2 s  .  c o  m*/
    int textWidth;
    int textHeight;
    int textBoxHorizontalPadding = 4;
    int textBoxVerticalPadding = 4;
    int borderWidth = 2;
    int paddedTitleHeight;
    int paddedTitleWidth;
    int titleLeftPadding = textBoxHorizontalPadding;
    BufferedImage newLegendTitleBase;
    Graphics2D newLegendTitleBaseGraphic = null;

    try {
        // Build the Font object
        Font titleFont = new Font(layer.getName(), Font.BOLD, 14);

        // Build variables for base legend graphic construction
        try {
            newLegendTitleBase = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
            newLegendTitleBaseGraphic = newLegendTitleBase.createGraphics();

            newLegendTitleBaseGraphic.setFont(titleFont);

            fm = newLegendTitleBaseGraphic.getFontMetrics();
            textHeight = fm.getHeight();
            textWidth = fm.stringWidth(layer.getName());

            paddedTitleWidth = textWidth + (textBoxHorizontalPadding * 2) + (borderWidth * 2);

            paddedTitleHeight = textHeight + (textBoxVerticalPadding * 2) + (borderWidth * 2);
        } finally {
            // dispose of temporary graphics context
            if (newLegendTitleBaseGraphic != null) {
                newLegendTitleBaseGraphic.dispose();
            }
        }

        titleLeftPadding = ((paddedTitleWidth / 2)
                - ((textWidth + (textBoxHorizontalPadding * 2) + (borderWidth * 2)) / 2))
                + textBoxHorizontalPadding;

        newLegendTitleBase = new BufferedImage(paddedTitleWidth, paddedTitleHeight,
                BufferedImage.TYPE_INT_ARGB);
        newLegendTitleBaseGraphic = newLegendTitleBase.createGraphics();
        newLegendTitleBaseGraphic.drawImage(newLegendTitleBase, 0, 0, null);

        newLegendTitleBaseGraphic.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION,
                RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
        newLegendTitleBaseGraphic.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                RenderingHints.VALUE_ANTIALIAS_ON);
        newLegendTitleBaseGraphic.setRenderingHint(RenderingHints.KEY_COLOR_RENDERING,
                RenderingHints.VALUE_COLOR_RENDER_QUALITY);
        newLegendTitleBaseGraphic.setRenderingHint(RenderingHints.KEY_DITHERING,
                RenderingHints.VALUE_DITHER_ENABLE);
        newLegendTitleBaseGraphic.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
                RenderingHints.VALUE_FRACTIONALMETRICS_ON);
        newLegendTitleBaseGraphic.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
                RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        newLegendTitleBaseGraphic.setRenderingHint(RenderingHints.KEY_RENDERING,
                RenderingHints.VALUE_RENDER_QUALITY);
        newLegendTitleBaseGraphic.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL,
                RenderingHints.VALUE_STROKE_PURE);
        newLegendTitleBaseGraphic.setFont(titleFont);

        // draw title text
        fm = newLegendTitleBaseGraphic.getFontMetrics();
        newLegendTitleBaseGraphic.setColor(Color.WHITE);
        newLegendTitleBaseGraphic.drawString(layer.getName(), titleLeftPadding,
                fm.getAscent() + textBoxVerticalPadding);

        newLegendTitleBaseGraphic.drawImage(newLegendTitleBase, 0, 0, null);
    } finally {
        if (newLegendTitleBaseGraphic != null) {
            newLegendTitleBaseGraphic.dispose();
        }
    }

    return newLegendTitleBase;
}