Examples of FontRenderContext

ae.java.awt.font.FontRenderContext
The FontRenderContext class is a container for the information needed to correctly measure text. The measurement of text can vary because of rules that map outlines to pixels, and rendering hints provided by an application.
One such piece of information is a transform that scales typographical points to pixels. (A point is defined to be exactly 1/72 of an inch, which is slightly different than the traditional mechanical measurement of a point.) A character that is rendered at 12pt on a 600dpi device might have a different size than the same character rendered at 12pt on a 72dpi device because of such factors as rounding to pixel boundaries and hints that the font designer may have specified.
Anti-aliasing and Fractional-metrics specified by an application can also affect the size of a character because of rounding to pixel boundaries.
Typically, instances of FontRenderContext are obtained from a {@link ae.java.awt.Graphics2D Graphics2D} object. AFontRenderContext which is directly constructed will most likely not represent any actual graphics device, and may lead to unexpected or incorrect results.
@see ae.java.awt.RenderingHints#KEY_TEXT_ANTIALIASING @see ae.java.awt.RenderingHints#KEY_FRACTIONALMETRICS @see ae.java.awt.Graphics2D#getFontRenderContext() @see ae.java.awt.font.LineMetrics
com.google.code.appengine.awt.font.FontRenderContext
com.jgraph.gaeawt.java.awt.font.FontRenderContext
java.awt.font.FontRenderContext
The FontRenderContext class is a container for the information needed to correctly measure text. The measurement of text can vary because of rules that map outlines to pixels, and rendering hints provided by an application.
One such piece of information is a transform that scales typographical points to pixels. (A point is defined to be exactly 1/72 of an inch, which is slightly different than the traditional mechanical measurement of a point.) A character that is rendered at 12pt on a 600dpi device might have a different size than the same character rendered at 12pt on a 72dpi device because of such factors as rounding to pixel boundaries and hints that the font designer may have specified.
Anti-aliasing and Fractional-metrics specified by an application can also affect the size of a character because of rounding to pixel boundaries.
Typically, instances of FontRenderContext are obtained from a {@link java.awt.Graphics2D Graphics2D} object. AFontRenderContext which is directly constructed will most likely not represent any actual graphics device, and may lead to unexpected or incorrect results.
@see java.awt.RenderingHints#KEY_TEXT_ANTIALIASING @see java.awt.RenderingHints#KEY_FRACTIONALMETRICS @see java.awt.Graphics2D#getFontRenderContext() @see java.awt.font.LineMetrics

Examples of java.awt.font.FontRenderContext

                    shearY = ran.nextDouble() * config.getTextShear();
                }
                CharAttributes cf = new CharAttributes(chars[i], fontName, dRotation, rise, shearX, shearY);
                charAttsList.add(cf);
                text = new TextLayout(chars[i] + "", getFont(fontName),
                        new FontRenderContext(null, config.isFontAntialiasing(), false));
                textAt = new AffineTransform();
                if (config.getTextRotation() > 0)
                    textAt.rotate(dRotation);
                if (config.getTextShear() > 0.0)
                    textAt.shear(shearX, shearY);

View Full Code Here

Examples of java.awt.font.FontRenderContext

        Graphics2D gfx = (Graphics2D) this.image.getGraphics();
        if (config.isFontAntialiasing())
            gfx.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);


        int curWidth = config.getTextMarginLeft();
        FontRenderContext ctx = new FontRenderContext(null, config.isFontAntialiasing(), false);        
        for (int i = 0; i < charAttsList.size(); i++)
        {
            CharAttributes cf = (CharAttributes) charAttsList.get(i);
            TextLayout text = new TextLayout(cf.getChar() + "", getFont(cf.getName()), ctx); //gfx.getFontRenderContext());
            AffineTransform textAt = new AffineTransform();

View Full Code Here

Examples of java.awt.font.FontRenderContext

    final double xorig     = posX+(origX-minX)*xStep;
    final double yorig     = isSouth  ? posY-yStep*(origY-minY)+labelHeight : posY-yStep*(origY-minY)-2;
    final double width     = shape.getGridWidth()/2.;
    final double tmp     = isSouth ? width : -width;
    final Font font     = fontMetrics.getFont();
    final FontRenderContext frc = new FontRenderContext(null, true, true);
    double i;
    double j;
    String label;
    float x;
    final float yPos = (float)(yorig+tmp);

View Full Code Here

Examples of java.awt.font.FontRenderContext


  /**
   * Updates the labels path by drawing the labels of the X/Y-axis.
   */
  protected void updatePathLabels(final double gapx, final double gapy) {
    final FontRenderContext frc = new FontRenderContext(null, true, true);
    final PlottingStyle labelsDisplay = shape.getLabelsDisplayed();
    final PlottingStyle ticksDisplay = shape.getTicksDisplayed();
    final TicksStyle ticksStyle = shape.getTicksStyle();


    if(labelsDisplay.isX())

View Full Code Here

Examples of java.awt.font.FontRenderContext

    private static float[] deriveTextBoundsAnchorOffsets(final Graphics2D g2,
            final String text, final TextAnchor anchor,
            final Rectangle2D textBounds) {


        final float[] result = new float[3];
        final FontRenderContext frc = g2.getFontRenderContext();
        final Font f = g2.getFont();
        final FontMetrics fm = g2.getFontMetrics(f);
        final Rectangle2D bounds = TextUtilities.getTextBounds(text, g2, fm);
        final LineMetrics metrics = f.getLineMetrics(text, frc);
        final float ascent = metrics.getAscent();

View Full Code Here

Examples of java.awt.font.FontRenderContext

     */
    private static float[] deriveTextBoundsAnchorOffsets(final Graphics2D g2,
            final String text, final TextAnchor anchor) {


        final float[] result = new float[2];
        final FontRenderContext frc = g2.getFontRenderContext();
        final Font f = g2.getFont();
        final FontMetrics fm = g2.getFontMetrics(f);
        final Rectangle2D bounds = TextUtilities.getTextBounds(text, g2, fm);
        final LineMetrics metrics = f.getLineMetrics(text, frc);
        final float ascent = metrics.getAscent();

View Full Code Here

Examples of java.awt.font.FontRenderContext

     */
    private static float[] deriveRotationAnchorOffsets(final Graphics2D g2,
            final String text, final TextAnchor anchor) {


        final float[] result = new float[2];
        final FontRenderContext frc = g2.getFontRenderContext();
        final LineMetrics metrics = g2.getFont().getLineMetrics(text, frc);
        final FontMetrics fm = g2.getFontMetrics();
        final Rectangle2D bounds = TextUtilities.getTextBounds(text, g2, fm);
        final float ascent = metrics.getAscent();
        final float halfAscent = ascent / 2.0f;

View Full Code Here

Examples of java.awt.font.FontRenderContext

      int requiredHeight = req.getParam("height").compareTo("") != 0 ? Integer.parseInt(req.getParam("height").endsWith("px")?req.getParam("height").substring(0, req.getParam("height").length()-2):req.getParam("height")) : DEFAULT_HEIGHT;
      // This is the image we are making
      BufferedImage buffer = new BufferedImage(requiredWidth, requiredHeight, BufferedImage.TYPE_INT_RGB);
      Graphics2D g2 = buffer.createGraphics();
      g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
      FontRenderContext fc = g2.getFontRenderContext();
      // We then specify the maximum font size that fits in the image
      // For this, we start at 1, and increase it, until it overflows. This-1 will be the font size
      float size = 1;
      g2.setFont(g2.getFont().deriveFont(size));
      int width = 0;

View Full Code Here

Examples of java.awt.font.FontRenderContext

    private WrappedLines breakLines(Graphics2D g) {
      Dimension size = label.getSize();
      float maxWidth = size.width;
      AttributedString attributedText = new AttributedString(label.getText(), textAttributes());
      AttributedCharacterIterator textIterator = attributedText.getIterator();
      FontRenderContext fontRendering = g.getFontRenderContext();
      LineBreakMeasurer measurer = new LineBreakMeasurer(textIterator, fontRendering);
      WrappedLines lines = new WrappedLines();
      while(measurer.getPosition() < textIterator.getEndIndex()) {
        TextLayout layout = measurer.nextLayout(maxWidth);
        lines.add(layout);

View Full Code Here

Examples of java.awt.font.FontRenderContext

    Graphics2D graphics = image.createGraphics();
    try {
      graphics.setFont(font);
      graphics.setRenderingHint(KEY_TEXT_ANTIALIASING, VALUE_TEXT_ANTIALIAS_ON);
      
      FontRenderContext context = graphics.getFontRenderContext();
      TextLayout layout = new TextLayout(text, font, context);
      int x = width / 2 - (int) (layout.getAdvance() / 2f);
      int y = height / 2 + (int) (layout.getAscent() / 2f) - 1;
      
      graphics.setColor(Color.DARK_GRAY.darker());

View Full Code Here

0 1 2 3 4 5

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.