Example usage for java.awt Graphics2D setPaint

List of usage examples for java.awt Graphics2D setPaint

  1. HOME
  2. Java
  3. java
  4. java.awt.*
  5. Graphics2D
  6. 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:ImageDuplicity.java

private void createOffscreenImage() {
    Dimension d = getSize();/*from  ww w.j av a2s.c  o  m*/
    int width = d.width;
    int height = d.height;
    image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

    Graphics2D g2 = image.createGraphics();
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    try {
        String filename = "largeJava2sLogo.jpg";
        InputStream in = getClass().getResourceAsStream(filename);
        JPEGImageDecoder decoder = JPEGCodec.createJPEGDecoder(in);
        BufferedImage image = decoder.decodeAsBufferedImage();
        in.close();
        g2.drawImage(image, 0, 0, width, height, null);
    } catch (Exception e) {
        System.out.print(e);
    }

    g2.setStroke(new BasicStroke(2));
    Color[] colors = { Color.red, Color.blue, Color.green };
    for (int i = -32; i < 40; i += 8) {
        g2.setPaint(colors[Math.abs(i) % 3]);
        g2.drawOval(i, i, width - i * 2, height - i * 2);
    }
}

From source file:RadialGradientApp.java

@Override
protected void paintComponent(Graphics g) {
    setFont(getFont().deriveFont(70.f).deriveFont(Font.BOLD));

    Graphics2D g2 = (Graphics2D) g;
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    // Retains the previous state
    Paint oldPaint = g2.getPaint();

    // Fills the circle with solid blue color
    g2.setColor(new Color(0x0153CC));
    g2.fillOval(0, 0, getWidth() - 1, getHeight() - 1);

    // Adds shadows at the top
    Paint p;/*ww  w  .  ja v  a 2 s .c  o  m*/
    p = new GradientPaint(0, 0, new Color(0.0f, 0.0f, 0.0f, 0.4f), 0, getHeight(),
            new Color(0.0f, 0.0f, 0.0f, 0.0f));
    g2.setPaint(p);
    g2.fillOval(0, 0, getWidth() - 1, getHeight() - 1);

    // Adds highlights at the bottom 
    p = new GradientPaint(0, 0, new Color(1.0f, 1.0f, 1.0f, 0.0f), 0, getHeight(),
            new Color(1.0f, 1.0f, 1.0f, 0.4f));
    g2.setPaint(p);
    g2.fillOval(0, 0, getWidth() - 1, getHeight() - 1);

    // Creates dark edges for 3D effect
    p = new RadialGradientPaint(new Point2D.Double(getWidth() / 2.0, getHeight() / 2.0), getWidth() / 2.0f,
            new float[] { 0.0f, 1.0f },
            new Color[] { new Color(6, 76, 160, 127), new Color(0.0f, 0.0f, 0.0f, 0.8f) });
    g2.setPaint(p);
    g2.fillOval(0, 0, getWidth() - 1, getHeight() - 1);

    // Adds oval inner highlight at the bottom
    p = new RadialGradientPaint(new Point2D.Double(getWidth() / 2.0, getHeight() * 1.5), getWidth() / 2.3f,
            new Point2D.Double(getWidth() / 2.0, getHeight() * 1.75 + 6), new float[] { 0.0f, 0.8f },
            new Color[] { new Color(64, 142, 203, 255), new Color(64, 142, 203, 0) },
            RadialGradientPaint.CycleMethod.NO_CYCLE, RadialGradientPaint.ColorSpaceType.SRGB,
            AffineTransform.getScaleInstance(1.0, 0.5));
    g2.setPaint(p);
    g2.fillOval(0, 0, getWidth() - 1, getHeight() - 1);

    // Adds oval specular highlight at the top left
    p = new RadialGradientPaint(new Point2D.Double(getWidth() / 2.0, getHeight() / 2.0), getWidth() / 1.4f,
            new Point2D.Double(45.0, 25.0), new float[] { 0.0f, 0.5f },
            new Color[] { new Color(1.0f, 1.0f, 1.0f, 0.4f), new Color(1.0f, 1.0f, 1.0f, 0.0f) },
            RadialGradientPaint.CycleMethod.NO_CYCLE);
    g2.setPaint(p);
    g2.fillOval(0, 0, getWidth() - 1, getHeight() - 1);

    // Restores the previous state
    g2.setPaint(oldPaint);

    // Draws the logo        
    //        FontRenderContext context = g2.getFontRenderContext();
    //        TextLayout layout = new TextLayout("R", getFont(), context);
    //        Rectangle2D bounds = layout.getBounds();
    //        
    //        float x = (getWidth() - (float) bounds.getWidth()) / 2.0f;
    //        float y = (getHeight() + (float) bounds.getHeight()) / 2.0f;
    //        
    //        g2.setColor(Color.WHITE);
    //        layout.draw(g2, x, y);
    //        
    //        Area shadow = new Area(layout.getOutline(null));
    //        shadow.subtract(new Area(layout.getOutline(AffineTransform.getTranslateInstance(1.0, 1.0))));
    //        g2.setColor(Color.BLACK);
    //        g2.translate(x, y);
    //        g2.fill(shadow);
    //        g2.translate(-x, -y);
}

From source file:org.jfree.experimental.chart.plot.dial.StandardDialFrame.java

/**
 * Draws the frame.//w  w  w  .jav  a 2s  . c  o  m
 * 
 * @param g2  the graphics target.
 * @param plot  the plot.
 * @param frame  the dial's reference frame.
 * @param view  the dial's view rectangle.
 */
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {

    Shape window = getWindow(frame);
    Shape outerWindow = getOuterWindow(frame);

    Area area1 = new Area(outerWindow);
    Area area2 = new Area(window);
    area1.subtract(area2);
    g2.setPaint(Color.lightGray);
    g2.fill(area1);

    g2.setStroke(this.stroke);
    g2.setPaint(this.foregroundPaint);
    g2.draw(window);
    g2.draw(outerWindow);

}

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

private void drawItemShape(Graphics2D g2, int series, int item, Shape entityShape) {
    if (getItemShapeFilled(series, item)) {
        g2.setPaint(getUseFillPaint() ? getItemFillPaint(series, item) : getItemPaint(series, item));
        g2.fill(entityShape);//  w  w  w . ja  v a2  s. c  o  m
    }

    if (getDrawOutlines()) {
        g2.setPaint(getUseOutlinePaint() ? getItemOutlinePaint(series, item) : getItemPaint(series, item));
        g2.setStroke(getItemOutlineStroke(series, item));
    }

    g2.draw(entityShape);
}

From source file:FontTest.java

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

    String message = "Hello, World!";

    Font f = new Font("Serif", Font.BOLD, 36);
    g2.setFont(f);//from  ww w.ja v  a2 s. c  om

    // measure the size of the message

    FontRenderContext context = g2.getFontRenderContext();
    Rectangle2D bounds = f.getStringBounds(message, context);

    // set (x,y) = top left corner of text

    double x = (getWidth() - bounds.getWidth()) / 2;
    double y = (getHeight() - bounds.getHeight()) / 2;

    // add ascent to y to reach the baseline

    double ascent = -bounds.getY();
    double baseY = y + ascent;

    // draw the message

    g2.drawString(message, (int) x, (int) baseY);

    g2.setPaint(Color.LIGHT_GRAY);

    // draw the baseline

    g2.draw(new Line2D.Double(x, baseY, x + bounds.getWidth(), baseY));

    // draw the enclosing rectangle

    Rectangle2D rect = new Rectangle2D.Double(x, y, bounds.getWidth(), bounds.getHeight());
    g2.draw(rect);
}

From source file:org.jfree.demo.DrawStringPanel.java

/**
 * Paints the panel.//from  w  w w .  j  av a2 s  .c  o  m
 *
 * @param g  the graphics device.
 */
public void paintComponent(final Graphics g) {

    super.paintComponent(g);
    final Graphics2D g2 = (Graphics2D) g;

    final Dimension size = getSize();
    final Insets insets = getInsets();
    final Rectangle2D available = new Rectangle2D.Double(insets.left, insets.top,
            size.getWidth() - insets.left - insets.right, size.getHeight() - insets.top - insets.bottom);

    final double x = available.getCenterX();
    final double y = available.getCenterY();

    final Line2D line1 = new Line2D.Double(x - 2.0, y + 2.0, x + 2.0, y - 2.0);
    final Line2D line2 = new Line2D.Double(x - 2.0, y - 2.0, x + 2.0, y + 2.0);
    g2.setPaint(Color.red);
    g2.draw(line1);
    g2.draw(line2);

    g2.setFont(this.font);
    g2.setPaint(Color.black);
    if (this.rotate) {
        TextUtilities.drawRotatedString(this.text, g2, (float) x, (float) y, this.anchor, this.angle,
                this.rotationAnchor);
    } else {
        TextUtilities.drawAlignedString(this.text, g2, (float) x, (float) y, this.anchor);
    }

}

From source file:org.eclipse.lyo.samples.sharepoint.adapter.ResourceService.java

protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    System.out.println("entered do Post for /resource");
    boolean isFileUpload = ServletFileUpload.isMultipartContent(request);
    String contentType = request.getContentType();

    if (!isFileUpload && !IConstants.CT_RDF_XML.equals(contentType)) {
        throw new ShareServiceException(IConstants.SC_UNSUPPORTED_MEDIA_TYPE);
    }/*from   w  w  w. j  a va 2 s  . c  o m*/

    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 ShareServiceException(e);
        }
    }

    ShareStore store = this.getStore();
    if (ShareStore.rdfFormatFromContentType(contentType) != null) {
        try {
            String resUri = store.nextAvailableUri(IAmConstants.SERVICE_RESOURCE);
            SharepointResource resource = new SharepointResource(resUri);
            List<ShareStatement> 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 (ShareServerException e) {
            throw new ShareServiceException(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);
            SharepointResource resource = new SharepointResource(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);
                SharepointResource slideResource = new SharepointResource(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 {
                    ShareValue v = new ShareValue(ShareValueType.URI, slideResource.getUri());
                    resource.appendToSeq(IConstants.SHARE_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 (ShareServerException e) {
            throw new ShareServiceException(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);
            SharepointResource resource = new SharepointResource(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 (ShareServerException e) {
            throw new ShareServiceException(IConstants.SC_BAD, e);
        }
    }
}

From source file:org.jfree.chart.demo.DrawStringPanel.java

public void paintComponent(Graphics g) {
    super.paintComponent(g);
    Graphics2D graphics2d = (Graphics2D) g;
    Dimension dimension = getSize();
    Insets insets = getInsets();/* ww w. ja v a  2s . c  o m*/
    java.awt.geom.Rectangle2D.Double double1 = new java.awt.geom.Rectangle2D.Double(insets.left, insets.top,
            dimension.getWidth() - (double) insets.left - (double) insets.right,
            dimension.getHeight() - (double) insets.top - (double) insets.bottom);
    double d = double1.getCenterX();
    double d1 = double1.getCenterY();
    java.awt.geom.Line2D.Double double2 = new java.awt.geom.Line2D.Double(d - 2D, d1 + 2D, d + 2D, d1 - 2D);
    java.awt.geom.Line2D.Double double3 = new java.awt.geom.Line2D.Double(d - 2D, d1 - 2D, d + 2D, d1 + 2D);
    graphics2d.setPaint(Color.red);
    graphics2d.draw(double2);
    graphics2d.draw(double3);
    graphics2d.setFont(font);
    graphics2d.setPaint(Color.black);
    if (rotate)
        TextUtilities.drawRotatedString(text, graphics2d, (float) d, (float) d1, anchor, angle, rotationAnchor);
    else
        TextUtilities.drawAlignedString(text, graphics2d, (float) d, (float) d1, anchor);
}

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

@Override
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;
        }//from   ww  w . ja  v  a  2s  .  c  om
    }

    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:org.tsho.dmc2.core.chart.BifurcationSimpleRenderer.java

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

    if (model instanceof ODE) {
        boolean pointBeyondPoincareSection;
        int numVar = model.getNVar();

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

        Stepper.Point2D result;//w ww.j  a v a 2s .  c  om

        g2.setPaint(plot.getPaint());

        parLower = domainAxis.getRange().getLowerBound();
        parUpper = domainAxis.getRange().getUpperBound();
        final double parStep;

        parStep = Math.abs(parUpper - parLower) / dataArea.getWidth();

        stepper.setAxes(variableIdx, variableIdx);

        state = STATE_RUNNING;

        for (index = parLower; index < parUpper; index += parStep) {

            fixedParameters[parameterIdx] = index;

            stepper.setParameters(fixedParameters);
            stepper.setInitialValue(initialValue);
            stepper.initialize();

            int h = 0;
            int transX, transY;

            double[] currentPoint = new double[numVar];
            double[] previousPoint = new double[numVar];
            stepper.getCurrentValue(currentPoint);
            stepper.getCurrentValue(previousPoint);
            pointBeyondPoincareSection = positionWrtPoincareSection(currentPoint);

            for (int j = 0; j < time / step; j++) {
                stepper.step();
                stepper.getCurrentValue(currentPoint);

                if (positionWrtPoincareSection(currentPoint) == pointBeyondPoincareSection) {
                    stepper.getCurrentValue(previousPoint);
                    continue;
                }

                pointBeyondPoincareSection = !pointBeyondPoincareSection;
                double[] pointOnSection = pointOnPoincareSection(previousPoint, currentPoint);
                stepper.setInitialValue(pointOnSection);
                stepper.initialize();
                stepper.getCurrentValue(currentPoint);
                stepper.getCurrentValue(previousPoint);

                //pointBeyondPoincareSection=positionWrtPoincareSection(currentPoint,coeff);
                result = stepper.getCurrentPoint2D();

                transX = (int) domainAxis.valueToJava2D(index, dataArea, RectangleEdge.BOTTOM);

                transY = (int) rangeAxis.valueToJava2D(result.getX(), dataArea, RectangleEdge.LEFT);

                h++;
                if (h > transients) {
                    g2.fillRect(transX, transY, 1, 1);
                }

            }

            if (!fixedInitialPoint) {
                stepper.getCurrentValue(initialValue);
            }

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

        state = STATE_FINISHED;
    } else {
        //the system is discrete
        ValueAxis domainAxis = plot.getDomainAxis();
        ValueAxis rangeAxis = plot.getRangeAxis();

        Stepper.Point2D result;

        g2.setPaint(plot.getPaint());

        parLower = domainAxis.getRange().getLowerBound();
        parUpper = domainAxis.getRange().getUpperBound();
        final double parStep;

        parStep = Math.abs(parUpper - parLower) / dataArea.getWidth();

        stepper.setAxes(variableIdx, variableIdx);

        state = STATE_RUNNING;

        for (index = parLower; index < parUpper; index += parStep) {

            fixedParameters[parameterIdx] = index;

            stepper.setParameters(fixedParameters);
            stepper.setInitialValue(initialValue);
            stepper.initialize();

            for (int h = 0; h < transients; h++) {
                if (stopped) {
                    state = STATE_STOPPED;
                    return;
                }

                stepper.step();
            }

            int transX, transY;
            for (int j = 0; j < iterations; j++) {

                stepper.step();

                result = stepper.getCurrentPoint2D();

                transX = (int) domainAxis.valueToJava2D(index, dataArea, RectangleEdge.BOTTOM);

                transY = (int) rangeAxis.valueToJava2D(result.getX(), dataArea, RectangleEdge.LEFT);

                g2.fillRect(transX, transY, 1, 1);
            }

            if (!fixedInitialPoint) {
                stepper.getCurrentValue(initialValue);
            }

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

}