How to use

computeTextHeight

method

in

ch.sahits.game.openpatrician.javafx.control.TextSizingUtility

/**
 * Compute the line height and add it to the page height.
 * @param line to be checked
 * @param currentPageHeight current page height without <code>line</code>
 * @return new page height
 */
private double updatePageHeight(String line, double currentPageHeight) {
  double lineHeigth = sizing.computeTextHeight(font, line, Double.MAX_VALUE);
  currentPageHeight += lineSpacing + lineHeigth;
  return currentPageHeight;
}

double computeTextHeight(Font font, String text, double wrappingWidth) {
  return computeTextHeight(font, text, wrappingWidth, 0);
}

/**
 * Calculate the dimensions of a string using the font with the number of characters.
 * The height  and width are the maximum value, the width of a character is an average value.
 * @param size number of carachters for wich to calculate the dimensions
 * @param font to be used
 * @return dimensions of a String containing Tg to calculate the heigth and n for the width calculation.
 */
@Override
public Dimension2D calculate(int size, Font font) {
  double height = computeTextHeight(font, "Tg", Double.MAX_VALUE);
  double width = computeTextWidth(font, "n", Double.MAX_VALUE);
  return new Dimension2D(width*size*.8, height*1.2);
}

/**
 * Calculate the dimensions of a string using the font with the characters in the string.
 * The height and width are the maximum value. The text will not be wrapped.
 * @param text for which to calculate the dimensions
 * @param font to be used for the calculation
 * @return Bounding box for the text using font.
 */
@Override
public Dimension2D calculate(String text, Font font) {
  double height = computeTextHeight(font, text, Double.MAX_VALUE);
  double width = computeTextWidth(font, text, Double.MAX_VALUE);
  return new Dimension2D(width, height*1.2);
}