Example usage for java.awt RenderingHints VALUE_ANTIALIAS_ON

List of usage examples for java.awt RenderingHints VALUE_ANTIALIAS_ON

Introduction

In this page you can find the example usage for java.awt RenderingHints VALUE_ANTIALIAS_ON.

Prototype

Object VALUE_ANTIALIAS_ON

To view the source code for java.awt RenderingHints VALUE_ANTIALIAS_ON.

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Document

Antialiasing hint value -- rendering is done with antialiasing.

Usage

From source file:eu.udig.style.advanced.utils.Utilities.java

/**
 * Creates an image from a set of {@link RuleWrapper}s.
 * /* w  ww .ja va 2 s  .c  om*/
 * @param ruleWrapperList the list of rule wrappers.
 * @param width the image width.
 * @param height the image height.
 * @return the new created {@link BufferedImage}.
 */
public static BufferedImage pointRulesWrapperToImage(final List<RuleWrapper> ruleWrapperList, int width,
        int height) {
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = image.createGraphics();
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    for (RuleWrapper ruleWrapper : ruleWrapperList) {
        BufferedImage tmpImage = Utilities.pointRuleWrapperToImage(ruleWrapper, width, height);
        g2d.drawImage(tmpImage, 0, 0, null);
    }
    g2d.dispose();
    return image;
}

From source file:org.vulpe.view.tags.Functions.java

/**
 * This method takes in an image as a byte array (currently supports GIF,
 * JPG, PNG and possibly other formats) and resizes it to have a width no
 * greater than the pMaxWidth parameter in pixels. It converts the image to
 * a standard quality JPG and returns the byte array of that JPG image.
 *
 * @param imageData//from  w  w w . j av  a2  s .  c  o  m
 *            the image data.
 * @param maxWidth
 *            the max width in pixels, 0 means do not scale.
 * @return the resized JPG image.
 * @throws IOException
 *             if the image could not be manipulated correctly.
 */
public static byte[] resizeImageAsJPG(final byte[] imageData, final int maxWidth) throws IOException {
    // Create an ImageIcon from the image data
    final ImageIcon imageIcon = new ImageIcon(imageData);
    int width = imageIcon.getIconWidth();
    if (width == maxWidth) {
        return imageData;
    }
    int height = imageIcon.getIconHeight();
    LOG.debug("imageIcon width: " + width + "  height: " + height);
    // If the image is larger than the max width, we need to resize it
    if (maxWidth > 0 && width > maxWidth) {
        // Determine the shrink ratio
        final double ratio = (double) maxWidth / imageIcon.getIconWidth();
        LOG.debug("resize ratio: " + ratio);
        height = (int) (imageIcon.getIconHeight() * ratio);
        width = maxWidth;
        LOG.debug("imageIcon post scale width: " + width + "  height: " + height);
    }
    // Create a new empty image buffer to "draw" the resized image into
    final BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    // Create a Graphics object to do the "drawing"
    final Graphics2D g2d = bufferedImage.createGraphics();
    g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_SPEED);
    // Draw the resized image
    g2d.drawImage(imageIcon.getImage(), 0, 0, width, height, null);
    g2d.dispose();
    // Now our buffered image is ready
    // Encode it as a JPEG
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    final JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(baos);
    encoder.encode(bufferedImage);
    return baos.toByteArray();
}

From source file:springapp.web.controller.theme.ProcessThemeController.java

public ModelAndView handleRequest(HttpServletRequest httpServletRequest,
        HttpServletResponse httpServletResponse) throws Exception {
    HttpSession session = httpServletRequest.getSession();

    String templateIdString = httpServletRequest.getParameter(ApplicationConstants.TEMPLATE_ID);
    byte templateId = 0;

    int oldColor = 0;
    int newColor = 0;
    int oldHeaderColor = 0;
    int newHeaderColor = 0;
    int oldBgColor = 0;
    int newBgColor = 0;
    int oldFontColor = 0;
    int newFontColor = 0;
    int oldHeaderFontColor = 0;
    int newHeaderFontColor = 0;
    int oldBorderColor = 0;
    int newBorderColor = 0;
    int oldTransp = 0;
    int newTransp = 0;
    byte sizeHeaderFontDiff = 11;
    byte sizeFontDiff = 11;

    ThemeParametersHolder themeParametersHolder = null;
    String toolsetName = httpServletRequest.getParameter(ApplicationConstants.TOOLSET_NAME);

    String versionString = httpServletRequest.getParameter(ApplicationConstants.VERSION);
    String version = (null == versionString) ? ApplicationConstants.DEFAULT_EXTJS_VERSION : versionString;
    String familyHeaderFont = httpServletRequest.getParameter(ApplicationConstants.FAMILY_HEADER_FONT);
    String familyFont = httpServletRequest.getParameter(ApplicationConstants.FAMILY_FONT);
    String weightHeaderFont = httpServletRequest.getParameter(ApplicationConstants.WEIGHT_HEADER_FONT);
    String weightFont = httpServletRequest.getParameter(ApplicationConstants.WEIGHT_FONT);
    try {//  w ww .j ava  2s .c om
        templateId = null != templateIdString ? Byte.parseByte(templateIdString) : 0;

        String oldColorString = (0 == templateId) ? "#DFE8F6" : "#F1F1F1";
        String newColorString = httpServletRequest.getParameter(ApplicationConstants.NEW_COLOR);

        String oldHeaderColorString = (0 == templateId) ? "#CDDEF3" : "#D7D7D7";
        String newHeaderColorString = httpServletRequest.getParameter(ApplicationConstants.NEW_HEADER_COLOR);

        String oldBgColorString = "#FFFFFF";
        String newBgColorString = httpServletRequest.getParameter(ApplicationConstants.NEW_BG_COLOR);

        String oldFontColorString = "#000000";
        String newFontColorString = httpServletRequest.getParameter(ApplicationConstants.NEW_FONT_COLOR);

        String oldHeaderFontColorString = (0 == templateId) ? "#15428B" : "#222222";
        String newHeaderFontColorString = httpServletRequest
                .getParameter(ApplicationConstants.NEW_HEADER_FONT_COLOR);

        String sizeHeaderFontString = httpServletRequest.getParameter(ApplicationConstants.SIZE_HEADER_FONT);

        String sizeFontString = httpServletRequest.getParameter(ApplicationConstants.SIZE_FONT);

        String oldBorderColorString = (0 == templateId) ? "#99BBE8" : "#D0D0D0";
        String newBorderColorString = httpServletRequest.getParameter(ApplicationConstants.NEW_BORDER_COLOR);

        String oldTranspString = "255";
        String newTranspString = httpServletRequest.getParameter(ApplicationConstants.NEW_TRANSP);

        themeParametersHolder = new ThemeParametersHolder(templateIdString, newColorString,
                newHeaderColorString, newBgColorString, newFontColorString, newHeaderFontColorString,
                familyHeaderFont, weightHeaderFont, sizeHeaderFontString, familyFont, weightFont,
                sizeFontString, newBorderColorString, newTranspString, toolsetName, version);

        oldColor = null != oldColorString ? Integer.parseInt(oldColorString.replaceFirst("#", ""), 16) : 0;
        newColor = null != newColorString ? Integer.parseInt(newColorString.replaceFirst("#", ""), 16) : 0;
        oldHeaderColor = null != oldHeaderColorString
                ? Integer.parseInt(oldHeaderColorString.replaceFirst("#", ""), 16)
                : 0;
        newHeaderColor = null != newHeaderColorString
                ? Integer.parseInt(newHeaderColorString.replaceFirst("#", ""), 16)
                : 0;
        oldBgColor = null != oldBgColorString ? Integer.parseInt(oldBgColorString.replaceFirst("#", ""), 16)
                : 0;
        newBgColor = null != newBgColorString ? Integer.parseInt(newBgColorString.replaceFirst("#", ""), 16)
                : 0;
        oldFontColor = null != oldFontColorString
                ? Integer.parseInt(oldFontColorString.replaceFirst("#", ""), 16)
                : 0;
        newFontColor = null != newFontColorString
                ? Integer.parseInt(newFontColorString.replaceFirst("#", ""), 16)
                : 0;
        oldHeaderFontColor = null != oldHeaderFontColorString
                ? Integer.parseInt(oldHeaderFontColorString.replaceFirst("#", ""), 16)
                : 0;
        newHeaderFontColor = null != newHeaderFontColorString
                ? Integer.parseInt(newHeaderFontColorString.replaceFirst("#", ""), 16)
                : 0;

        oldBorderColor = null != oldBorderColorString
                ? Integer.parseInt(oldBorderColorString.replaceFirst("#", ""), 16)
                : 0;
        newBorderColor = null != newBorderColorString
                ? Integer.parseInt(newBorderColorString.replaceFirst("#", ""), 16)
                : 0;

        oldTransp = null != oldTranspString ? Integer.parseInt(oldTranspString) : 0;
        newTransp = null != newTranspString ? Integer.parseInt(newTranspString) : 0;

        sizeHeaderFontDiff = (byte) ((null != sizeHeaderFontString ? Byte.parseByte(sizeHeaderFontString) : 11)
                - 11);
        sizeFontDiff = (byte) ((null != sizeFontString ? Byte.parseByte(sizeFontString) : 11) - 11);
    } catch (Exception e) {
        logger.error(e);
    }

    int oldR = (oldColor >> 16) & 0xff;
    int oldG = (oldColor >> 8) & 0xff;
    int oldB = oldColor & 0xff;

    int newR = (newColor >> 16) & 0xff;
    int newG = (newColor >> 8) & 0xff;
    int newB = newColor & 0xff;

    int oldHeaderR = (oldHeaderColor >> 16) & 0xff;
    int oldHeaderG = (oldHeaderColor >> 8) & 0xff;
    int oldHeaderB = oldHeaderColor & 0xff;

    int newHeaderR = (newHeaderColor >> 16) & 0xff;
    int newHeaderG = (newHeaderColor >> 8) & 0xff;
    int newHeaderB = newHeaderColor & 0xff;

    int oldBgR = (oldBgColor >> 16) & 0xff;
    int oldBgG = (oldBgColor >> 8) & 0xff;
    int oldBgB = oldBgColor & 0xff;

    int newBgR = (newBgColor >> 16) & 0xff;
    int newBgG = (newBgColor >> 8) & 0xff;
    int newBgB = newBgColor & 0xff;

    int oldFontR = (oldFontColor >> 16) & 0xff;
    int oldFontG = (oldFontColor >> 8) & 0xff;
    int oldFontB = oldFontColor & 0xff;

    int newFontR = (newFontColor >> 16) & 0xff;
    int newFontG = (newFontColor >> 8) & 0xff;
    int newFontB = newFontColor & 0xff;

    int oldHeaderFontR = (oldHeaderFontColor >> 16) & 0xff;
    int oldHeaderFontG = (oldHeaderFontColor >> 8) & 0xff;
    int oldHeaderFontB = oldHeaderFontColor & 0xff;

    int newHeaderFontR = (newHeaderFontColor >> 16) & 0xff;
    int newHeaderFontG = (newHeaderFontColor >> 8) & 0xff;
    int newHeaderFontB = newHeaderFontColor & 0xff;

    int oldBorderR = (oldBorderColor >> 16) & 0xff;
    int oldBorderG = (oldBorderColor >> 8) & 0xff;
    int oldBorderB = oldBorderColor & 0xff;

    int newBorderR = (newBorderColor >> 16) & 0xff;
    int newBorderG = (newBorderColor >> 8) & 0xff;
    int newBorderB = newBorderColor & 0xff;

    ServletContext servletContext = session.getServletContext();
    WebApplicationContext context = WebApplicationContextUtils.getRequiredWebApplicationContext(servletContext);

    ResourcesProcessorFactory resourcesProcessorFactory = (ResourcesProcessorFactory) context
            .getBean("processorFactory");

    ResourcesHolder schemaHolder;
    ResourcesProcessor processor;
    /*        schemaHolder = getResourcesHolderForProcessing(templateId, "");
            processor = resourcesProcessorFactory.getResourcesProcessor(schemaHolder, context);*/

    //operation definition
    //hints
    HashMap hints = new HashMap();
    hints.put(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
    hints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    hints.put(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
    hints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    hints.put(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);

    RenderingHints renderingHints = new RenderingHints(hints);

    int rDiff = newR - oldR;
    int gDiff = newG - oldG;
    int bDiff = newB - oldB;
    int rHeaderDiff = newHeaderR - oldHeaderR;
    int gHeaderDiff = newHeaderG - oldHeaderG;
    int bHeaderDiff = newHeaderB - oldHeaderB;
    int rBgDiff = newBgR - oldBgR;
    int gBgDiff = newBgG - oldBgG;
    int bBgDiff = newBgB - oldBgB;
    int rFontDiff = newFontR - oldFontR;
    int gFontDiff = newFontG - oldFontG;
    int bFontDiff = newFontB - oldFontB;
    int rHeaderFontDiff = newHeaderFontR - oldHeaderFontR;
    int gHeaderFontDiff = newHeaderFontG - oldHeaderFontG;
    int bHeaderFontDiff = newHeaderFontB - oldHeaderFontB;

    int rBorderDiff = newBorderR - oldBorderR;
    int gBorderDiff = newBorderG - oldBorderG;
    int bBorderDiff = newBorderB - oldBorderB;

    float transparencyDiff = newTransp - oldTransp;

    float[] offsets = { rDiff, gDiff, bDiff, 0f };
    float[] offsetsHeader = { rHeaderDiff, gHeaderDiff, bHeaderDiff, 0f };
    float[] offsetsBg = { rBgDiff, gBgDiff, bBgDiff, 0f };
    float[] offsetsFont = { rFontDiff, gFontDiff, bFontDiff, 0f };
    float[] offsetsHeaderFont = { rHeaderFontDiff, gHeaderFontDiff, bHeaderFontDiff, 0f };
    float[] offsetsBorder = { rBorderDiff, gBorderDiff, bBorderDiff, 0f };
    float[] offsetsTranceparency = (0 == transparencyDiff) ? null : new float[] { 0, 0, 0, transparencyDiff };
    float[] offsetsShadowTransparency = { 0, 0, 0, transparencyDiff / 5 };

    float liteDivider = 2.5f;
    float[] liteoffsets = { rDiff / liteDivider, gDiff / liteDivider, bDiff / liteDivider, 0f };
    float[] scaleFactors = { 1.0f, 1.0f, 1.0f, 1.0f };
    ExtJSRescaleOp brightenOp = new ExtJSRescaleOp(scaleFactors, // 1  ,1   ,1
            offsets, renderingHints);

    ExtJSRescaleOp headerOp = new ExtJSRescaleOp(scaleFactors, // 1  ,1   ,1
            offsetsHeader, renderingHints);

    ExtJSRescaleOp liteOp = new ExtJSRescaleOp(scaleFactors, // 1  ,1   ,1
            liteoffsets, renderingHints);

    ExtJSRescaleOp bgOp = new ExtJSRescaleOp(scaleFactors, // 1  ,1   ,1
            offsetsBg, renderingHints);

    ExtJSRescaleOp fontOp = new ExtJSRescaleOp(scaleFactors, // 1  ,1   ,1
            offsetsFont, renderingHints);

    ExtJSRescaleOp headerFontOp = new ExtJSRescaleOp(scaleFactors, // 1  ,1   ,1
            offsetsHeaderFont, renderingHints);

    ExtJSRescaleOp borderOp = new ExtJSRescaleOp(scaleFactors, // 1  ,1   ,1
            offsetsBorder, renderingHints);

    ExtJSRescaleOp transparencyOp = (0 == transparencyDiff) ? null
            : new ExtJSRescaleOp(scaleFactors, // 1  ,1   ,1
                    offsetsTranceparency, renderingHints);

    ExtJSRescaleOp shadowTransparencyOp = null/*new ExtJSRescaleOp(
                                              scaleFactors,// 1  ,1   ,1
                                              offsetsShadowTransparency,
                                              renderingHints)*/;

    /*
            ShiftOp shiftOp = new ShiftOp(new float[]{1, 1, 1, 1}
        , offsets, renderingHints, true);
            
            int csRGB = ColorSpace.CS_sRGB;
            int csGRAY = ColorSpace.CS_GRAY;
            ColorSpace srcCS = ColorSpace.getInstance(csRGB);
            
            ColorSpace destCS = ColorSpace.getInstance(csGRAY);
    */
    //operation with inversion of color #for heading font color
    ForegroundShiftOp foregroundOp = new ForegroundShiftOp(newR, newG, newB);

    AffineTransformOp affineTransformOp = null/*new AffineTransformOp(
                                              AffineTransform.getScaleInstance(2,2), AffineTransformOp.TYPE_BICUBIC)*/;
    //end operation  definition

    //get toolset holder
    ResourceHolderPool holderToolsetPool = this.holderToolsetPool;
    ResourcesHolder toolsetSchemaHolder = holderToolsetPool.checkOut();
    //
    //get drawable holder
    ResourceHolderPool holderDrawablePool = this.holderDrawablePool;
    ResourcesHolder drawableSchemaHolder = holderDrawablePool.checkOut();
    //
    /*        process(processor, templateId, schemaHolder, brightenOp, foregroundOp, liteOp, bgOp,
        fontOp, transparencyOp, session, borderOp, affineTransformOp, headerFontOp,
        shadowTransparencyOp, headerOp, toolsetSchemaHolder,
        toolsetName, familyHeaderFont, weightHeaderFont, sizeHeaderFontDiff,
        familyFont, weightFont, sizeFontDiff,
        drawableSchemaHolder, "3.2"*//*version*//*);
                                                 if (!"3.2".equals(version)){*/
    schemaHolder = getResourcesHolderForProcessing(templateId, version);
    processor = resourcesProcessorFactory.getResourcesProcessor(schemaHolder, context);
    process(processor, themeParametersHolder, templateId, schemaHolder, brightenOp, foregroundOp, liteOp, bgOp,
            fontOp, transparencyOp, session, borderOp, affineTransformOp, headerFontOp, shadowTransparencyOp,
            headerOp, toolsetSchemaHolder, toolsetName, familyHeaderFont, weightHeaderFont, sizeHeaderFontDiff,
            familyFont, weightFont, sizeFontDiff, drawableSchemaHolder, version);

    /*        }*/

    logger.info("ProcessThemeController ! IP=" + httpServletRequest.getRemoteAddr());

    return new ModelAndView("json/success");
}

From source file:be.fedict.eid.applet.maven.DocbookMojo.java

private static void graphToFile(BasicVisualizationServer<String, String> visualization, File file)
        throws IOException {
    Dimension size = visualization.getSize();
    int width = (int) (size.getWidth() + 1);
    int height = (int) (size.getHeight() + 1);
    BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D graphics = bufferedImage.createGraphics();
    graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    graphics.setColor(Color.WHITE);
    graphics.fillRect(0, 0, 900, 650);/*  w w w  .j av  a  2  s  . c o  m*/
    visualization.setBounds(0, 0, 900, 650);
    visualization.paint(graphics);
    graphics.dispose();
    ImageIO.write(bufferedImage, "png", file);
}

From source file:org.hydroponics.dao.JDBCHydroponicsDaoImpl.java

public byte[] getThumbnail(BufferedImage buffImage) throws IOException {
    BufferedImage pDestImage = new BufferedImage(Constants.THUMBNAIL_WIDTH, Constants.THUMBNAIL_HEIGHT,
            BufferedImage.TYPE_3BYTE_BGR);

    AffineTransform transform = new AffineTransform();
    transform.scale((float) Constants.THUMBNAIL_WIDTH / (float) buffImage.getWidth(),
            (float) Constants.THUMBNAIL_HEIGHT / (float) buffImage.getHeight());

    Graphics2D g = (Graphics2D) pDestImage.getGraphics();

    //set the rendering hints for a good thumbnail image
    Map m = g.getRenderingHints();
    m.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    m.put(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
    m.put(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
    m.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    g.setRenderingHints(m);//  w  ww . j av  a  2s  . c  o  m

    g.drawImage(buffImage, transform, null);
    g.dispose();

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    ImageIO.write(pDestImage, "JPEG", out);
    return out.toByteArray();
}

From source file:business.ImageManager.java

private void doDrawRastro(Graphics2D big, int direcao, int x, int y, Color color) {
    //setup para os rastros
    big.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    big.setStroke(/* w  w w . j  a v a  2  s.  c  o m*/
            new BasicStroke(2f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1f, new float[] { 5f }, 0f));
    big.setColor(color);

    //draw path
    Path2D.Double path = new Path2D.Double();
    path.moveTo(x + 38, y + 38);
    path.lineTo(x + coordRastros[direcao - 1][0], y + coordRastros[direcao - 1][1]);

    //draw on graph
    big.draw(path);
}

From source file:com.AandR.beans.plotting.LinePlotPanel.LinePlotPanel.java

private ChartPanel createChartPanel() {
    JFreeChart xyChart = ChartFactory.createXYLineChart("f", "x", "y", plotSeries, PlotOrientation.VERTICAL,
            false, true, false);/*from   www. j  a  va2 s. c  o  m*/
    RenderingHints hints = xyChart.getRenderingHints();
    hints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    hints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
    xyChart.setBackgroundPaint(Color.WHITE);

    XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) xyChart.getXYPlot().getRenderer();
    renderer.setBaseLinesVisible(isLineVisible);
    renderer.setBaseShapesVisible(isSymbolVisible);

    LegendTitle legend = new LegendTitle(renderer);
    legend.setPosition(RectangleEdge.BOTTOM);
    xyChart.addLegend(legend);

    xyChart.getXYPlot().getRangeAxis().setStandardTickUnits(createTickUnits());
    //xyChart.getXYPlot().getRangeAxis().setStandardTickUnits(new StandardTickUnitSource());
    xyChart.getXYPlot().getRangeAxis().setAutoRangeMinimumSize(1.0e-45);

    chartPanel = new ChartPanel(xyChart);

    JPopupMenu popup = chartPanel.getPopupMenu();
    popup.remove(1); // removes separator
    popup.remove(1); // removes save as...
    popup.add(createLinePropMenu());
    popup.add(createAxesPropMenu());
    popup.addSeparator();
    popup.add(createExportMenu());
    return chartPanel;
}

From source file:ch.rasc.downloadchart.DownloadChartServlet.java

private static void writeImage(HttpServletResponse response, byte[] imageData, Integer width, Integer height,
        String formatName) throws IOException {

    BufferedImage originalImage = ImageIO.read(new ByteArrayInputStream(imageData));
    Dimension newDimension = calculateDimension(originalImage, width, height);

    if (newDimension != null) {
        int type = originalImage.getType() == 0 ? BufferedImage.TYPE_INT_ARGB : originalImage.getType();
        BufferedImage resizedImage = new BufferedImage(newDimension.width, newDimension.height, type);
        Graphics2D g = resizedImage.createGraphics();
        g.drawImage(originalImage, 0, 0, newDimension.width, newDimension.height, null);
        g.dispose();/*  w w  w .  j ava 2 s  .c om*/
        g.setComposite(AlphaComposite.Src);

        g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

        ImageIO.write(resizedImage, formatName, response.getOutputStream());
    } else {
        if ("png".equals(formatName)) {
            response.getOutputStream().write(imageData);
        } else {
            ImageIO.write(originalImage, "gif", response.getOutputStream());
        }
    }
}

From source file:edu.ku.brc.ui.dnd.SimpleGlassPane.java

@Override
protected void paintComponent(Graphics graphics) {
    Graphics2D g = (Graphics2D) graphics;

    Rectangle rect = getInternalBounds();
    int width = rect.width;
    int height = rect.height;

    if (useBGImage) {
        // Create a translucent intermediate image in which we can perform
        // the soft clipping
        GraphicsConfiguration gc = g.getDeviceConfiguration();
        if (img == null || img.getWidth() != width || img.getHeight() != height) {
            img = gc.createCompatibleImage(width, height, Transparency.TRANSLUCENT);
        }// w  w  w . j  a  v  a2  s  .c  o  m
        Graphics2D g2 = img.createGraphics();

        // Clear the image so all pixels have zero alpha
        g2.setComposite(AlphaComposite.Clear);
        g2.fillRect(0, 0, width, height);

        g2.setComposite(AlphaComposite.Src);
        g2.setColor(new Color(0, 0, 0, 85));
        g2.fillRect(0, 0, width, height);

        if (delegateRenderer != null) {
            delegateRenderer.render(g, g2, img);
        }

        g2.dispose();

        // Copy our intermediate image to the screen
        g.drawImage(img, rect.x, rect.y, null);
    }

    super.paintComponent(graphics);

    if (StringUtils.isNotEmpty(text)) {
        Graphics2D g2 = (Graphics2D) graphics;
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g2.setColor(fillColor);
        g2.fillRect(margin.left, margin.top, rect.width, rect.height);

        g2.setFont(new Font((new JLabel()).getFont().getName(), Font.BOLD, pointSize));
        FontMetrics fm = g2.getFontMetrics();

        int tw = fm.stringWidth(text);
        int th = fm.getHeight();
        int tx = (rect.width - tw) / 2;
        int ty = (rect.height - th) / 2;

        if (yPos != null) {
            ty = yPos;
        }

        int expand = 20;
        int arc = expand * 2;

        g2.setColor(new Color(0, 0, 0, 50));

        int x = margin.left + tx - (expand / 2);
        int y = margin.top + ty - fm.getAscent() - (expand / 2);

        drawBGContainer(g2, true, x + 4, y + 6, tw + expand, th + expand, arc, arc);

        g2.setColor(new Color(255, 255, 255, 220));
        drawBGContainer(g2, true, x, y, tw + expand, th + expand, arc, arc);

        g2.setColor(Color.DARK_GRAY);
        drawBGContainer(g2, false, x, y, tw + expand, th + expand, arc, arc);

        g2.setColor(textColor == null ? Color.BLACK : textColor);
        g2.drawString(text, tx, ty);
    }
}