Example usage for java.awt RenderingHints VALUE_FRACTIONALMETRICS

Introduction

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

Prototype

Object VALUE_FRACTIONALMETRICS_ON

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Document

Font fractional metrics hint value -- character glyphs are positioned with sub-pixel accuracy.

Usage

From source file:com.piketec.jenkins.plugins.tpt.publisher.PieChart.java

/**
 * Render the pie chart with the given height
 * //from w  w  w .  j  a  v a 2s .  c o  m
 * @param height
 *          The height of the resulting image
 * @return The pie chart rendered as an image
 */
public BufferedImage render(int height) {
    BufferedImage image = new BufferedImage(totalWidth, totalHeight, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    g2.scale(zoom, zoom);
    // fill background to white
    g2.setColor(Color.WHITE);
    g2.fill(new Rectangle(totalWidth, totalHeight));
    // prepare render hints
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION,
            RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
    g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    g2.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    g2.setStroke(new BasicStroke(4, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));

    // draw shadow image
    g2.drawImage(pieShadow.getImage(), 0, 0, pieShadow.getImageObserver());

    double start = 0;
    List<Arc2D> pies = new ArrayList<>();
    // pie segmente erzeugen und fuellen
    if (total == 0) {
        g2.setColor(BRIGHT_GRAY);
        g2.fillOval(centerX - radius, centerY - radius, 2 * radius, 2 * radius);
        g2.setColor(Color.WHITE);
        g2.drawOval(centerX - radius, centerY - radius, 2 * radius, 2 * radius);
    } else {
        for (Segment s : segments) {
            double portionDegrees = s.getPortion() / total;
            Arc2D pie = paintPieSegment(g2, start, portionDegrees, s.getColor());
            if (withSubSegments) {
                double smallRadius = radius * s.getSubSegmentRatio();
                paintPieSegment(g2, start, portionDegrees, smallRadius, s.getColor().darker());
            }
            start += portionDegrees;
            // portion degree jetzt noch als String (z.B. "17.3%" oder "20%" zusammenbauen)
            String p = String.format(Locale.ENGLISH, "%.1f", Math.rint(portionDegrees * 1000) / 10.0);
            p = removeSuffix(p, ".0"); // evtl. ".0" bei z.B. "25.0" abschneiden (-> "25")
            s.setPercent(p + "%");
            pies.add(pie);
        }
        // weissen Rahmen um die pie segmente zeichen
        g2.setColor(Color.WHITE);
        for (Arc2D pie : pies) {
            g2.draw(pie);
        }
    }
    // Legende zeichnen
    renderLegend(g2);
    // "xx%" Label direkt auf die pie segmente zeichen
    g2.setColor(Color.WHITE);
    float fontSize = 32f;
    g2.setFont(NORMALFONT.deriveFont(fontSize).deriveFont(Font.BOLD));
    start = 0;
    for (Segment s : segments) {
        if (s.getPortion() < 1E-6) {
            continue; // ignore segments with portions that are extremely small
        }
        double portionDegrees = s.getPortion() / total;
        double angle = start + portionDegrees / 2; // genau in der Mitte des Segments
        double xOffsetForCenteredTxt = 8 * s.getPercent().length(); // assume roughly 8px per char
        int x = (int) (centerX + 0.6 * radius * Math.sin(2 * Math.PI * angle) - xOffsetForCenteredTxt);
        int y = (int) (centerY - 0.6 * radius * Math.cos(2 * Math.PI * angle) + fontSize / 2);
        g2.drawString(s.getPercent(), x, y);
        start += portionDegrees;
    }
    return image;
}

From source file:ddf.catalog.transformer.input.pptx.PptxInputTransformer.java

/**
 * If the slide show doesn't contain any slides, then return null. Otherwise, return jpeg
 * image data of the first slide in the deck.
 *
 * @param slideShow/*from w ww.j av a  2s.  co  m*/
 * @return jpeg thumbnail or null if thumbnail can't be created
 * @throws IOException
 */
private byte[] generatePptxThumbnail(XMLSlideShow slideShow) throws IOException {

    if (slideShow.getSlides().isEmpty()) {
        LOGGER.info("the powerpoint file does not contain any slides, skipping thumbnail generation");
        return null;
    }

    Dimension pgsize = slideShow.getPageSize();

    int largestDimension = (int) Math.max(pgsize.getHeight(), pgsize.getWidth());
    float scalingFactor = IMAGE_HEIGHTWIDTH / largestDimension;
    int scaledHeight = (int) (pgsize.getHeight() * scalingFactor);
    int scaledWidth = (int) (pgsize.getWidth() * scalingFactor);
    BufferedImage img = new BufferedImage(scaledWidth, scaledHeight, BufferedImage.TYPE_INT_RGB);

    Graphics2D graphics = img.createGraphics();

    try {
        graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        graphics.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
        graphics.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
                RenderingHints.VALUE_FRACTIONALMETRICS_ON);

        graphics.scale(scalingFactor, scalingFactor);

        slideShow.getSlides().get(0).draw(graphics);

        try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {
            ImageIOUtil.writeImage(img, FORMAT_NAME, outputStream, RESOLUTION_DPI, IMAGE_QUALITY);
            return outputStream.toByteArray();
        }
    } catch (RuntimeException e) {
        if (e.getCause() instanceof javax.imageio.IIOException) {
            LOGGER.warn("unable to generate thumbnail for PPTX file", e);
        } else {
            throw e;
        }
    } finally {
        graphics.dispose();
    }

    return null;
}

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

private BufferedImage getLegendTitleImage(DashboardLayer layer) {

    FontMetrics fm;//ww w  .j ava 2s .  co 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;
}

From source file:org.apache.fop.render.bitmap.AbstractBitmapDocumentHandler.java

/** {@inheritDoc} */
public IFPainter startPageContent() throws IFException {
    int bitmapWidth;
    int bitmapHeight;
    double scale;
    Point2D offset = null;//  www . j a  v  a 2  s. com
    if (targetBitmapSize != null) {
        //Fit the generated page proportionally into the given rectangle (in pixels)
        double scale2w = 1000 * targetBitmapSize.width / this.currentPageDimensions.getWidth();
        double scale2h = 1000 * targetBitmapSize.height / this.currentPageDimensions.getHeight();
        bitmapWidth = targetBitmapSize.width;
        bitmapHeight = targetBitmapSize.height;

        //Centering the page in the given bitmap
        offset = new Point2D.Double();
        if (scale2w < scale2h) {
            scale = scale2w;
            double h = this.currentPageDimensions.height * scale / 1000;
            offset.setLocation(0, (bitmapHeight - h) / 2.0);
        } else {
            scale = scale2h;
            double w = this.currentPageDimensions.width * scale / 1000;
            offset.setLocation((bitmapWidth - w) / 2.0, 0);
        }
    } else {
        //Normal case: just scale according to the target resolution
        scale = scaleFactor * getUserAgent().getTargetResolution()
                / FopFactoryConfigurator.DEFAULT_TARGET_RESOLUTION;
        bitmapWidth = (int) ((this.currentPageDimensions.width * scale / 1000f) + 0.5f);
        bitmapHeight = (int) ((this.currentPageDimensions.height * scale / 1000f) + 0.5f);
    }

    //Set up bitmap to paint on
    this.currentImage = createBufferedImage(bitmapWidth, bitmapHeight);
    Graphics2D graphics2D = this.currentImage.createGraphics();

    // draw page background
    if (!getSettings().hasTransparentPageBackground()) {
        graphics2D.setBackground(getSettings().getPageBackgroundColor());
        graphics2D.setPaint(getSettings().getPageBackgroundColor());
        graphics2D.fillRect(0, 0, bitmapWidth, bitmapHeight);
    }

    //Set rendering hints
    graphics2D.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
            RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    if (getSettings().isAntiAliasingEnabled() && this.currentImage.getColorModel().getPixelSize() > 1) {
        graphics2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        graphics2D.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
                RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
    } else {
        graphics2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
        graphics2D.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
                RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
    }
    if (getSettings().isQualityRenderingEnabled()) {
        graphics2D.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    } else {
        graphics2D.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_SPEED);
    }
    graphics2D.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);

    //Set up initial coordinate system for the page
    if (offset != null) {
        graphics2D.translate(offset.getX(), offset.getY());
    }
    graphics2D.scale(scale / 1000f, scale / 1000f);

    return new Java2DPainter(graphics2D, getContext(), getFontInfo());
}

From source file:org.apache.fop.render.pcl.PCLDocumentHandler.java

private IFPainter createAllBitmapPainter() {
    double scale = gen.getMaximumBitmapResolution() / FopFactoryConfigurator.DEFAULT_TARGET_RESOLUTION;
    Rectangle printArea = this.currentPageDefinition.getLogicalPageRect();
    int bitmapWidth = (int) Math.ceil(UnitConv.mpt2px(printArea.width, gen.getMaximumBitmapResolution()));
    int bitmapHeight = (int) Math.ceil(UnitConv.mpt2px(printArea.height, gen.getMaximumBitmapResolution()));
    this.currentImage = createBufferedImage(bitmapWidth, bitmapHeight);
    Graphics2D graphics2D = this.currentImage.createGraphics();

    if (!PCLGenerator.isJAIAvailable()) {
        RenderingHints hints = new RenderingHints(null);
        //These hints don't seem to make a difference :-( Not seeing any dithering on Sun Java.
        hints.put(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
        graphics2D.addRenderingHints(hints);
    }//from  w w  w  .j av  a  2  s.co  m

    //Ensure white page background
    graphics2D.setBackground(Color.WHITE);
    graphics2D.clearRect(0, 0, bitmapWidth, bitmapHeight);

    graphics2D.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
            RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    graphics2D.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
    graphics2D.scale(scale / 1000f, scale / 1000f);
    graphics2D.translate(-printArea.x, -printArea.y);

    return new Java2DPainter(graphics2D, getContext(), getFontInfo());
}

From source file:org.apache.pdfbox.pdfviewer.PageDrawer.java

/**
 * This will draw the page to the requested context.
 *
 * @param g The graphics context to draw onto.
 * @param p The page to draw./*www  .  ja  v  a 2 s  . c o m*/
 * @param pageDimension The size of the page to draw.
 *
 * @throws IOException If there is an IO error while drawing the page.
 */
public void drawPage(Graphics g, PDPage p, Dimension pageDimension) throws IOException {
    graphics = (Graphics2D) g;
    page = p;
    pageSize = pageDimension;
    graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    graphics.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    // Only if there is some content, we have to process it. 
    // Otherwise we are done here and we will produce an empty page
    if (page.getContents() != null) {
        PDResources resources = page.findResources();
        processStream(page, resources, page.getContents().getStream());
    }
    List annotations = page.getAnnotations();
    for (int i = 0; i < annotations.size(); i++) {
        PDAnnotation annot = (PDAnnotation) annotations.get(i);
        PDRectangle rect = annot.getRectangle();
        String appearanceName = annot.getAppearanceStream();
        PDAppearanceDictionary appearDictionary = annot.getAppearance();
        if (appearDictionary != null) {
            if (appearanceName == null) {
                appearanceName = "default";
            }
            Map appearanceMap = appearDictionary.getNormalAppearance();
            if (appearanceMap != null) {
                PDAppearanceStream appearance = (PDAppearanceStream) appearanceMap.get(appearanceName);
                if (appearance != null) {
                    g.translate((int) rect.getLowerLeftX(), (int) -rect.getLowerLeftY());
                    processSubStream(page, appearance.getResources(), appearance.getStream());
                    g.translate((int) -rect.getLowerLeftX(), (int) +rect.getLowerLeftY());
                }
            }
        }
    }

}

From source file:org.apache.pdflens.views.pagesview.PageDrawer.java

/**
 * This will draw the page to the requested context.
 *
 * @param g The graphics context to draw onto.
 * @param p The page to draw./*w  w w.  j av a  2s  . co  m*/
 * @param pageDimension The size of the page to draw.
 *
 * @throws IOException If there is an IO error while drawing the page.
 */
public void drawPage(Graphics g, PDPage p, Dimension pageDimension) throws IOException {
    graphics = (Graphics2D) g;
    page = p;
    pageSize = pageDimension;
    graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    graphics.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    // Only if there is some content, we have to process it. 
    // Otherwise we are done here and we will produce an empty page
    if (page.getContents() != null) {
        PDResources resources = page.findResources();
        processStream(page, resources, page.getContents().getStream());
    }
    List annotations = page.getAnnotations();
    for (int i = 0; i < annotations.size(); i++) {
        PDAnnotation annot = (PDAnnotation) annotations.get(i);
        PDRectangle rect = annot.getRectangle();
        String appearanceName = annot.getAppearanceStream();
        PDAppearanceDictionary appearDictionary = annot.getAppearance();
        if (appearDictionary != null) {
            if (appearanceName == null) {
                appearanceName = "default";
            }
            Map appearanceMap = appearDictionary.getNormalAppearance();
            PDAppearanceStream appearance = (PDAppearanceStream) appearanceMap.get(appearanceName);
            if (appearance != null) {
                g.translate((int) rect.getLowerLeftX(), (int) -rect.getLowerLeftY());
                processSubStream(page, appearance.getResources(), appearance.getStream());
                g.translate((int) -rect.getLowerLeftX(), (int) +rect.getLowerLeftY());
            }
        }
    }

}

From source file:org.csstudio.swt.widgets.figures.ImageFigure.java

private void initRenderingHints() {
    transcoder.getRenderingHints().put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    transcoder.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,
            RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
    transcoder.getRenderingHints().put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    transcoder.getRenderingHints().put(RenderingHints.KEY_FRACTIONALMETRICS,
            RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    transcoder.getRenderingHints().put(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
}

From source file:org.executequery.gui.erd.ErdTable.java

protected void paintComponent(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    g2d.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    drawTable(g2d, 0, 0);//  w w  w.j a v a2 s. c o m
}

From source file:org.jcurl.core.swing.RockLocationDisplayBase.java

public void exportPng(File dst) throws IOException {
    final BufferedImage img = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_ARGB);
    final Graphics2D g2 = (Graphics2D) img.getGraphics();
    {/*from   ww w  .ja  va2s . co m*/
        final Map hints = new HashMap();
        hints.put(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
        hints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        hints.put(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);
        hints.put(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
        hints.put(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
        hints.put(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
        hints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        hints.put(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_NORMALIZE);
        hints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
        g2.addRenderingHints(hints);
    }
    this.paintComponent(g2);
    g2.dispose();
    if (!dst.getName().endsWith(".png"))
        dst = new File(dst.getName() + ".png");
    ImageIO.write(img, "png", dst);
}

Example usage for java.awt RenderingHints VALUE_FRACTIONALMETRICS_ON

Introduction

Prototype

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Usage