Examples of ae.java.awt.font.LineMetrics

ae.java.awt.font.LineMetrics

The LineMetrics class allows access to the metrics needed to layout characters along a line and to layout of a set of lines. A LineMetrics object encapsulates the measurement information associated with a run of text.

Fonts can have different metrics for different ranges of characters. The getLineMetrics methods of {@link ae.java.awt.Font Font} take some text as an argumentand return a LineMetrics object describing the metrics of the initial number of characters in that text, as returned by {@link #getNumChars}.

    this.frc = frc;


    if (cm != null) {
        this.cm = cm;
    } else {
        LineMetrics metrics = font.getLineMetrics(chars, cstart, clen, frc);
        this.cm = ((FontLineMetrics)metrics).cm;
    }
  }

    // !!! revisit for text-on-a-path, vertical
    public Rectangle2D getLogicalBounds() {
        setFRCTX();
        initPositions();


        LineMetrics lm = font.getLineMetrics("", frc);


        float minX, minY, maxX, maxY;
        // horiz only for now...
        minX = 0;
        minY = -lm.getAscent();
        maxX = 0;
        maxY = lm.getDescent() + lm.getLeading();
        if (glyphs.length > 0) {
            maxX = positions[positions.length - 2];
        }


        return new Rectangle2D.Float(minX, minY, maxX - minX, maxY - minY);

      if (charTX == null) {
          charTX = new AffineTransform();
      }
      font = font.deriveFont(charTX);


      LineMetrics lm = font.getLineMetrics(source.getChars(), source.getStart(),
          source.getStart() + source.getLength(), source.getFRC());
      cm = CoreMetrics.get(lm);
    }
  }

Related Classes of ae.java.awt.font.LineMetrics

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