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.eclipse.lyo.oslc.am.resource.ResourceService.java

protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    boolean isFileUpload = ServletFileUpload.isMultipartContent(request);
    String contentType = request.getContentType();

    if (!isFileUpload && (RioStore.rdfFormatFromContentType(contentType) == null)) {
        throw new RioServiceException(IConstants.SC_UNSUPPORTED_MEDIA_TYPE);
    }/*w w w  . j a  v a 2  s  .c om*/

    InputStream content = request.getInputStream();

    if (isFileUpload) {
        // being uploaded from a web page
        try {
            FileItemFactory factory = new DiskFileItemFactory();
            ServletFileUpload upload = new ServletFileUpload(factory);
            @SuppressWarnings("unchecked")
            List<FileItem> items = upload.parseRequest(request);

            // find the first (and only) file resource in the post
            Iterator<FileItem> iter = items.iterator();
            while (iter.hasNext()) {
                FileItem item = iter.next();
                if (item.isFormField()) {
                    // this is a form field, maybe we can accept a title or descr?
                } else {
                    content = item.getInputStream();
                    contentType = item.getContentType();
                }
            }

        } catch (Exception e) {
            throw new RioServiceException(e);
        }
    }

    RioStore store = this.getStore();
    if (RioStore.rdfFormatFromContentType(contentType) != null) {
        try {
            String resUri = store.nextAvailableUri(IAmConstants.SERVICE_RESOURCE);
            Resource resource = new Resource(resUri);
            List<RioStatement> statements = store.parse(resUri, content, contentType);
            resource.addStatements(statements);
            String userUri = getUserUri(request.getRemoteUser());

            // if it parsed, then add it to the store.
            store.update(resource, userUri);

            // now get it back, to find 
            OslcResource returnedResource = store.getOslcResource(resource.getUri());
            Date created = returnedResource.getCreated();
            String eTag = returnedResource.getETag();

            response.setStatus(IConstants.SC_CREATED);
            response.setHeader(IConstants.HDR_LOCATION, resource.getUri());
            response.setHeader(IConstants.HDR_LAST_MODIFIED, StringUtils.rfc2822(created));
            response.setHeader(IConstants.HDR_ETAG, eTag);

        } catch (RioServerException e) {
            throw new RioServiceException(IConstants.SC_BAD, e);
        }
    } else if (IAmConstants.CT_APP_X_VND_MSPPT.equals(contentType) || isFileUpload) {
        try {

            ByteArrayInputStream bais = isToBais(content);

            String uri = store.nextAvailableUri(IAmConstants.SERVICE_RESOURCE);
            Resource resource = new Resource(uri);
            resource.addRdfType(IAmConstants.OSLC_AM_TYPE_RESOURCE);
            resource.addRdfType(IAmConstants.RIO_AM_PPT_DECK);
            String id = resource.getIdentifier();
            String deckTitle = "PPT Deck " + id;
            resource.setTitle(deckTitle);
            resource.setDescription("A Power Point Deck");
            String sourceUri = getBaseUrl() + '/' + IAmConstants.SERVICE_SOURCE + '/' + id;
            resource.setSource(sourceUri);
            resource.setSourceContentType(contentType);
            String userUri = getUserUri(request.getRemoteUser());

            store.storeBinaryResource(bais, id);
            bais.reset();

            SlideShow ppt = new SlideShow(bais);
            Dimension pgsize = ppt.getPageSize();

            Slide[] slide = ppt.getSlides();
            for (int i = 0; i < slide.length; i++) {
                String slideTitle = extractTitle(slide[i]);
                String slideUri = store.nextAvailableUri(IAmConstants.SERVICE_RESOURCE);
                Resource slideResource = new Resource(slideUri);
                slideResource.addRdfType(IAmConstants.OSLC_AM_TYPE_RESOURCE);
                slideResource.addRdfType(IAmConstants.RIO_AM_PPT_SLIDE);
                String slideId = slideResource.getIdentifier();
                slideResource.setTitle(slideTitle);
                sourceUri = getBaseUrl() + '/' + IAmConstants.SERVICE_SOURCE + '/' + slideId;
                slideResource.setSource(sourceUri);
                slideResource.setSourceContentType(IConstants.CT_IMAGE_PNG);
                store.update(slideResource, userUri);

                BufferedImage img = new BufferedImage(pgsize.width, pgsize.height, BufferedImage.TYPE_INT_RGB);
                Graphics2D graphics = img.createGraphics();
                graphics.setPaint(Color.white);
                graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width, pgsize.height));
                slide[i].draw(graphics);
                ByteArrayOutputStream out = new ByteArrayOutputStream();
                javax.imageio.ImageIO.write(img, "png", out);
                ByteArrayInputStream is = new ByteArrayInputStream(out.toByteArray());
                store.storeBinaryResource(is, slideId);
                out.close();
                is.close();
                try {
                    RioValue v = new RioValue(RioValueType.URI, slideResource.getUri());
                    resource.appendToSeq(IConstants.RIO_NAMESPACE + "slides", v);
                } catch (UnrecognizedValueTypeException e) {
                    // log this?  don't want to throw away everything, since this should never happen
                }
            }

            store.update(resource, userUri);

            // now get it back, to find eTag and creator stuff
            OslcResource returnedResource = store.getOslcResource(resource.getUri());
            Date created = returnedResource.getCreated();
            String eTag = returnedResource.getETag();

            response.setStatus(IConstants.SC_CREATED);
            response.setHeader(IConstants.HDR_LOCATION, resource.getUri());
            response.setHeader(IConstants.HDR_LAST_MODIFIED, StringUtils.rfc2822(created));
            response.setHeader(IConstants.HDR_ETAG, eTag);

        } catch (RioServerException e) {
            throw new RioServiceException(IConstants.SC_BAD, e);
        }

    } else {
        // must be a binary or unknown format, treat as black box
        // normally a service provider will understand this and parse it appropriately
        // however this server will accept any blank box resource

        try {
            String uri = store.nextAvailableUri(IAmConstants.SERVICE_RESOURCE);
            Resource resource = new Resource(uri);
            String id = resource.getIdentifier();
            resource.setTitle("Resource " + id);
            resource.setDescription("A binary resource");
            String sourceUri = getBaseUrl() + IAmConstants.SERVICE_SOURCE + '/' + id;
            resource.setSource(sourceUri);
            resource.setSourceContentType(contentType);
            String userUri = getUserUri(request.getRemoteUser());
            store.update(resource, userUri);

            store.storeBinaryResource(content, id);

            // now get it back, to find eTag and creator stuff
            OslcResource returnedResource = store.getOslcResource(resource.getUri());
            Date created = returnedResource.getCreated();
            String eTag = returnedResource.getETag();

            response.setStatus(IConstants.SC_CREATED);
            response.setHeader(IConstants.HDR_LOCATION, resource.getUri());
            response.setHeader(IConstants.HDR_LAST_MODIFIED, StringUtils.rfc2822(created));
            response.setHeader(IConstants.HDR_ETAG, eTag);

        } catch (RioServerException e) {
            throw new RioServiceException(IConstants.SC_BAD, e);
        }
    }
}

---

From source file:FontShow.java

public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    Font font = new Font("Dialog", Font.PLAIN, 96);
    g2.setFont(font);//from  www.j a  v  a2s  .co m
    int width = getSize().width;
    int height = getSize().height;

    String message = "Java2s";

    FontRenderContext frc = g2.getFontRenderContext();
    LineMetrics metrics = font.getLineMetrics(message, frc);
    float messageWidth = (float) font.getStringBounds(message, frc).getWidth();

    // center text
    float ascent = metrics.getAscent();
    float descent = metrics.getDescent();
    float x = (width - messageWidth) / 2;
    float y = (height + metrics.getHeight()) / 2 - descent;

    int PAD = 25;
    g2.setPaint(getBackground());
    g2.fillRect(0, 0, width, height);

    g2.setPaint(getForeground());
    g2.drawString(message, x, y);

    g2.setPaint(Color.white); // Base lines
    drawLine(g2, x - PAD, y, x + messageWidth + PAD, y);
    drawLine(g2, x, y + PAD, x, y - ascent - PAD);
    g2.setPaint(Color.green); // Ascent line
    drawLine(g2, x - PAD, y - ascent, x + messageWidth + PAD, y - ascent);
    g2.setPaint(Color.red); // Descent line
    drawLine(g2, x - PAD, y + descent, x + messageWidth + PAD, y + descent);
}

---

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

/**
 * Paints a single bar instance.//  ww  w .  jav a2  s  . co  m
 *
 * @param g2        the graphics target.
 * @param renderer  the renderer.
 * @param row       the row index.
 * @param column    the column index.
 * @param bar       the bar
 * @param base      indicates which side of the rectangle is the base of the
 *                  bar.
 * @param pegShadow peg the shadow to the base of the bar?
 */
public void paintBarShadow(Graphics2D g2, XYBarRenderer renderer, int row, int column, RectangularShape bar,
        RectangleEdge base, boolean pegShadow) {

    // handle a special case - if the bar colour has alpha == 0, it is
    // invisible so we shouldn't draw any shadow
    Paint itemPaint = renderer.getItemPaint(row, column);
    if (itemPaint instanceof Color) {
        Color c = (Color) itemPaint;
        if (c.getAlpha() == 0) {
            return;
        }
    }

    RectangularShape shadow = createShadow(bar, renderer.getShadowXOffset(), renderer.getShadowYOffset(), base,
            pegShadow);
    if (renderer instanceof XYBarRendererAdapter) {
        g2.setPaint(((XYBarRendererAdapter) renderer).getShadowPaint());
    }
    g2.fill(shadow);

}

---

From source file:TapTapTap.java

@Override
public void paint(Graphics g, JComponent c) {
    int w = c.getWidth();
    int h = c.getHeight();

    // Paint the view.
    super.paint(g, c);

    if (!mIsRunning) {
        return;//ww  w  . j a  v a  2s .c o  m
    }

    Graphics2D g2 = (Graphics2D) g.create();

    float fade = (float) mFadeCount / (float) mFadeLimit;
    // Gray it out.
    Composite urComposite = g2.getComposite();
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, .5f * fade));
    g2.fillRect(0, 0, w, h);
    g2.setComposite(urComposite);

    // Paint the wait indicator.
    int s = Math.min(w, h) / 5;
    int cx = w / 2;
    int cy = h / 2;
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setStroke(new BasicStroke(s / 4, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
    g2.setPaint(Color.white);
    g2.rotate(Math.PI * mAngle / 180, cx, cy);
    for (int i = 0; i < 12; i++) {
        float scale = (11.0f - (float) i) / 11.0f;
        g2.drawLine(cx + s, cy, cx + s * 2, cy);
        g2.rotate(-Math.PI / 6, cx, cy);
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, scale * fade));
    }

    g2.dispose();
}

---

From source file:umontreal.iro.lecuyer.charts.EmpiricalRenderer.java

/**
 * Draws the visual representation of a single data item.
 *
 * @param g2           the graphics device.
 * @param state        the renderer state.
 * @param dataArea     the area within which the data is being drawn.
 * @param info         collects information about the drawing.
 * @param plot         the plot (can be used to obtain standard color
 *                     information etc).
 * @param domainAxis   the domain axis.//from  w w  w .j a  v a2s .  com
 * @param rangeAxis    the range axis.
 * @param dataset      the dataset.
 * @param series       the series index (zero-based).
 * @param item         the item index (zero-based).
 * @param crosshairState  crosshair information for the plot 
 *                        (<code>null</code> permitted).
 * @param pass         the pass index.
 */
public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info,
        XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item,
        CrosshairState crosshairState, int pass) {

    if (!getItemVisible(series, item))
        return;
    PlotOrientation orientation = plot.getOrientation();
    java.awt.Paint seriesPaint = getItemPaint(series, item);
    java.awt.Stroke seriesStroke = getItemStroke(series, item);
    g2.setPaint(seriesPaint);
    g2.setStroke(seriesStroke);
    double x0 = dataset.getXValue(series, item);
    double y0 = dataset.getYValue(series, item);
    if (java.lang.Double.isNaN(y0))
        return;
    org.jfree.ui.RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    org.jfree.ui.RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);

    double x1 = 0, y1 = 0;
    if (item < dataset.getItemCount(series) - 1) {
        x1 = dataset.getXValue(series, item + 1);
        y1 = dataset.getYValue(series, item + 1);
    } else {
        x1 = dataArea.getMaxX();
        y1 = dataArea.getMaxY();
    }

    boolean useFillPaint = getUseFillPaint();
    ;
    boolean drawOutlines = getDrawOutlines();
    if (!java.lang.Double.isNaN(y0)) {
        double transX1;
        double transY1;
        if (item < dataset.getItemCount(series) - 1) {
            transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
            transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
        } else {
            transX1 = x1;
            transY1 = y1;
        }
        Line2D line = state.workingLine;
        if (orientation == PlotOrientation.HORIZONTAL) {
            line.setLine(transY0, transX0, transY0, transX1);
            g2.draw(line);
        } else if (orientation == PlotOrientation.VERTICAL) {
            line.setLine(transX0, transY0, transX1, transY0);
            g2.draw(line);
        }
    }
    if (getItemShapeVisible(series, item)) {
        Shape shape = getItemShape(series, item);
        if (orientation == PlotOrientation.HORIZONTAL)
            shape = ShapeUtilities.createTranslatedShape(shape, transY0, transX0);
        else if (orientation == PlotOrientation.VERTICAL)
            shape = ShapeUtilities.createTranslatedShape(shape, transX0, transY0);
        if (shape.intersects(dataArea)) {
            if (getItemShapeFilled(series, item)) {
                if (useFillPaint)
                    g2.setPaint(getItemFillPaint(series, item));
                else
                    g2.setPaint(getItemPaint(series, item));
                g2.fill(shape);
            }
            if (drawOutlines) {
                if (getUseOutlinePaint())
                    g2.setPaint(getItemOutlinePaint(series, item));
                else
                    g2.setPaint(getItemPaint(series, item));
                g2.setStroke(getItemOutlineStroke(series, item));
                g2.draw(shape);
            }
        }
    }
    if (isItemLabelVisible(series, item)) {
        double xx = transX0;
        double yy = transY0;
        if (orientation == PlotOrientation.HORIZONTAL) {
            xx = transY0;
            yy = transX0;
        }
        drawItemLabel(g2, orientation, dataset, series, item, xx, yy, y0 < 0.0D);
    }
    int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
    int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
    updateCrosshairValues(crosshairState, x0, y0, domainAxisIndex, rangeAxisIndex, transX0, transY0,
            orientation);
    if (state.getInfo() != null) {
        EntityCollection entities = state.getEntityCollection();
        if (entities != null) {
            int r = getDefaultEntityRadius();
            java.awt.Shape shape = orientation != PlotOrientation.VERTICAL
                    ? ((java.awt.Shape) (new java.awt.geom.Rectangle2D.Double(transY0 - (double) r,
                            transX0 - (double) r, 2 * r, 2 * r)))
                    : ((java.awt.Shape) (new java.awt.geom.Rectangle2D.Double(transX0 - (double) r,
                            transY0 - (double) r, 2 * r, 2 * r)));
            if (shape != null) {
                String tip = null;
                XYToolTipGenerator generator = getToolTipGenerator(series, item);
                if (generator != null)
                    tip = generator.generateToolTip(dataset, series, item);
                String url = null;
                if (getURLGenerator() != null)
                    url = getURLGenerator().generateURL(dataset, series, item);
                XYItemEntity entity = new XYItemEntity(shape, dataset, series, item, tip, url);
                entities.add(entity);
            }
        }
    }
}

---

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

public void paintRect(Graphics2D g2d, int x, int y, int width, int height, Color linecoler, int thickness,
        Color fillColor) throws Exception {

    //int x, int y, int width, int height
    //g2d.fill(new Rectangle(x,y,width,height));

    g2d.setStroke(new BasicStroke(thickness));

    if (linecoler != null) {
        g2d.setPaint(linecoler);
        g2d.drawRect(x, y, width, height);
    }/*w  w  w. ja  va2 s. co m*/

    if (fillColor != null) {
        g2d.setPaint(fillColor);
        g2d.fillRect(x, y, width, height);
    }

}

---

From source file:net.sf.mzmine.modules.visualization.metamsecorrelate.visual.pseudospectra.PseudoSpectraRenderer.java

@Override
protected void drawItemLabel(Graphics2D g2, XYDataset dataset, int series, int item, XYPlot plot,
        XYItemLabelGenerator generator, Rectangle2D bar, boolean negative) {
    //super.drawItemLabel(g2, dataset, series, item, plot, generator, bar, negative);  

    if (generator != null) {
        String label = generator.generateLabel(dataset, series, item);

        if (label != null) {
            Font labelFont = getItemLabelFont(series, item);
            Paint paint = getItemLabelPaint(series, item);
            g2.setFont(labelFont);//from  w w w  . j a  va2  s.c om
            g2.setPaint(paint);

            // get the label position..
            ItemLabelPosition position;
            if (!negative) {
                position = getPositiveItemLabelPosition(series, item);
            } else {
                position = getNegativeItemLabelPosition(series, item);
            }

            // work out the label anchor point...
            Point2D anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), bar,
                    plot.getOrientation());

            // split by \n
            String symbol = "\n";
            String[] splitted = label.split(symbol);

            if (splitted.length > 1) {
                FontRenderContext frc = g2.getFontRenderContext();
                GlyphVector gv = g2.getFont().createGlyphVector(frc, "Fg,");
                int height = 4 + (int) gv.getPixelBounds(null, 0, 0).getHeight();
                // draw more than one row
                for (int i = 0; i < splitted.length; i++) {
                    int offset = -height * (splitted.length - i - 1);
                    TextUtilities.drawRotatedString(splitted[i], g2, (float) anchorPoint.getX(),
                            (float) anchorPoint.getY() + offset, position.getTextAnchor(), position.getAngle(),
                            position.getRotationAnchor());
                }
            } else {
                // one row 
                TextUtilities.drawRotatedString(label, g2, (float) anchorPoint.getX(),
                        (float) anchorPoint.getY(), position.getTextAnchor(), position.getAngle(),
                        position.getRotationAnchor());
            }
        }
    }

}

---

From source file:bigdataproject.CustomFastScatterPlot.java

@Override
public void render(Graphics2D g2, Rectangle2D dataArea, PlotRenderingInfo info, CrosshairState crosshairState) {
    if (clusters != null) {
        int colorIndex = 0, points = 0;
        String shape = "";
        for (Integer index : clusters.keySet()) {
            float[][] clusterFloat = clusters.get(index);
            for (float[] clusterFloat1 : clusterFloat) {
                points++;//from w  w  w.ja  v  a  2 s. c  o m
                float x = clusterFloat1[0];
                float y = clusterFloat1[1];
                int size = 6;
                int transX = (int) this.getDomainAxis().valueToJava2D(x, dataArea, RectangleEdge.BOTTOM);
                int transY = (int) this.getRangeAxis().valueToJava2D(y, dataArea, RectangleEdge.LEFT);
                g2.setPaint(colors[colorIndex % 11]);
                if (colorIndex % 2 == 0) {
                    g2.fillOval(transX, transY, size, size);
                    shape = "Round";
                } else {
                    g2.fillRect(transX, transY, size, size);
                    shape = "Square";
                }
            }
            System.out.println("Cluster number: " + colorIndex + " Points: " + clusterFloat.length + " Shape: "
                    + shape + " Color: " + colorArray[colorIndex % 11]);
            colorIndex++;
        }
        System.out.println(
                "\nClustering done! Total clusters: " + colorIndex + " Total points: " + points + "\n");
    }
}

---

From source file:org.openaltimeter.desktopapp.annotations.XYDotAnnotation.java

@Override
public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea, ValueAxis domainAxis, ValueAxis rangeAxis,
        int rendererIndex, PlotRenderingInfo info) {
    PlotOrientation orientation = plot.getOrientation();
    RectangleEdge domainEdge = Plot.resolveDomainAxisLocation(plot.getDomainAxisLocation(), orientation);
    RectangleEdge rangeEdge = Plot.resolveRangeAxisLocation(plot.getRangeAxisLocation(), orientation);

    float anchorX = (float) domainAxis.valueToJava2D(x, dataArea, domainEdge);
    float anchorY = (float) rangeAxis.valueToJava2D(y, dataArea, rangeEdge);

    if (orientation == PlotOrientation.HORIZONTAL) {
        float tempAnchor = anchorX;
        anchorX = anchorY;//from  w  w w  . j  av  a 2  s.  c o  m
        anchorY = tempAnchor;
    }

    // dot drawing
    g2.setPaint(color);
    g2.setStroke(new BasicStroke(1.0f));
    Ellipse2D e = new Ellipse2D.Double(anchorX - size / 2, anchorY - size / 2, size, size);
    g2.fill(e);
}

---

From source file:org.jfree.eastwood.GXYPlot.java

/**
 * Draws the background for the plot.//  w  w w.j ava  2 s  . co m
 *
 * @param g2  the graphics device.
 * @param area  the area.
 */
public void drawBackground(Graphics2D g2, Rectangle2D area) {
    Paint p = getBackgroundPaint();
    if (p instanceof GradientPaint) {
        // do the transformation directly
        GradientPaint gp = (GradientPaint) p;
        double r = (this.f1 - this.f0) * area.getWidth();
        Point2D p0 = new Point2D.Double(area.getMinX() + this.f0 * area.getWidth(), area.getMaxY());
        Point2D p1 = new Point2D.Double(p0.getX() + r * Math.cos(this.angle),
                p0.getY() - r * Math.sin(this.angle));
        p = new GradientPaint(p0, gp.getColor1(), p1, gp.getColor2());
    }
    g2.setPaint(p);
    g2.fill(area);
}

---

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