Java Code Examples for javax.swing.text.StyleConstants#getFontSize()

/**
    * Gets the font from an attribute set.  This is
    * implemented to try and fetch a cached font
    * for the given AttributeSet, and if that fails 
    * the font features are resolved and the
    * font is fetched from the low-level font cache.
    * Font's are cached in the StyleSheet of a document
    *
    * @param attr the attribute set
    * @return the font
    */
   private Font getAttributeSetFont(AttributeSet attr) {
       // PENDING(prinz) add cache behavior
       int style = Font.PLAIN;
       if (StyleConstants.isBold(attr)) {
           style |= Font.BOLD;
       }
       if (StyleConstants.isItalic(attr)) {
           style |= Font.ITALIC;
       }
       String family = StyleConstants.getFontFamily(attr);
       int size = StyleConstants.getFontSize(attr);

/**
 * if either superscript or subscript is
 * is set, we need to reduce the font size
 * by 2.
 */
if (StyleConstants.isSuperscript(attr) ||
    StyleConstants.isSubscript(attr)) {
    size -= 2;
}

// fonts are cached in the StyleSheet so use that
       return doc.getStyleSheet().getFont(family, style, size);
   }
 

/**
 * Returns the size in points.  This is ultimately
 * what we need for the purpose of creating/fetching
 * a Font object.
 *
 * @param a the attribute set the value is being
 *  requested from.  We may need to walk up the
 *  resolve hierarchy if it's relative.
 */
int getValue(AttributeSet a, StyleSheet ss) {
    ss = getStyleSheet(ss);
    if (index) {
        // it's an index, translate from size table
        return Math.round(getPointSize((int) value, ss));
    }
    else if (lu == null) {
        return Math.round(value);
    }
    else {
        if (lu.type == 0) {
            boolean isW3CLengthUnits = (ss == null) ? false : ss.isW3CLengthUnits();
            return Math.round(lu.getValue(isW3CLengthUnits));
        }
        if (a != null) {
            AttributeSet resolveParent = a.getResolveParent();

            if (resolveParent != null) {
                int pValue = StyleConstants.getFontSize(resolveParent);

                float retValue;
                if (lu.type == 1 || lu.type == 3) {
                    retValue = lu.value * (float)pValue;
                }
                else {
                    retValue = lu.value + (float)pValue;
                }
                return Math.round(retValue);
            }
        }
        // a is null, or no resolve parent.
        return 12;
    }
}
 

/**
 * Create a new JavaTextComponentHighlighter.
 * 
 * @param jtc
 *            the text component to apply formatting to.
 */
public XMLTextComponentHighlighter(JTextComponent jtc) {
	super(jtc);

	jtc.putClientProperty("caretWidth", new Integer(3));
	jtc.getCaret().setBlinkRate(500);

	initializeAttributes();

	Font defaultFont = new Font(
			StyleConstants.getFontFamily(defaultAttributes), 0,
			StyleConstants.getFontSize(defaultAttributes));
	jtc.setFont(defaultFont);
}
 

/**
 * Create a new JavaTextComponentHighlighter.
 * 
 * @param jtc
 *            the text component to apply formatting to.
 */
public JavaTextComponentHighlighter(JTextComponent jtc) {
	super(jtc);

	jtc.putClientProperty("caretWidth", new Integer(3));
	jtc.getCaret().setBlinkRate(500);

	initializeAttributes();

	Font defaultFont = new Font(
			StyleConstants.getFontFamily(defaultAttributes), 0,
			StyleConstants.getFontSize(defaultAttributes));
	jtc.setFont(defaultFont);
}
 

/**
 * Recursing method implementing functionality of storageFormat()
 * @param e element to be cycled through
 * @param pane top parent JTextPane
 * @return string format value of current node and its children
 * @throws BadLocationException if unable to create string format
 */
private static String storeFormatRecurse(Element e, JTextPane pane) throws Exception {
    String ret = "";
    int ec = e.getElementCount();

    if (ec == 0) {
        // if more media addable in the future, this is where to process it...
        // hard coded values because they're hard coded in Java. Eh.
        if (e.getAttributes().getAttribute("$ename") != null
                && e.getAttributes().getAttribute("$ename").equals("icon")) {
            if (e.getAttributes().getAttribute(PGTUtil.IMAGE_ID_ATTRIBUTE) == null) {
                throw new Exception("ID For image not stored. Unable to store section.");
            }
            
            ret += "<img src=\"" + e.getAttributes().getAttribute(PGTUtil.IMAGE_ID_ATTRIBUTE) + "\">";
        } else {
            int start = e.getStartOffset();
            int len = e.getEndOffset() - start;
            if (start < pane.getDocument().getLength()) {
                AttributeSet a = e.getAttributes();
                String font = StyleConstants.getFontFamily(a);
                String fontColor = colorToText(StyleConstants.getForeground(a));
                int fontSize = StyleConstants.getFontSize(a);
                ret += "<font face=\"" + font + "\""
                        + "size=\"" + fontSize + "\""
                        + "color=\"" + fontColor + "\"" + ">";
                ret += pane.getDocument().getText(start, len);
                ret += "</font>";
            }
        }
    } else {
        for (int i = 0; i < ec; i++) {
            ret += storeFormatRecurse(e.getElement(i), pane);
        }
    }

    return ret;
}
 

@Override
public boolean checkElement(StyledDocument doc, Element element, int offset) {
    if (bold != null) {
        if (StyleConstants.isBold(element.getAttributes()) != bold.booleanValue()) {
            return false;
        }
    }
    if (italic != null) {
        if (StyleConstants.isItalic(element.getAttributes()) != italic.booleanValue()) {
            return false;
        }
    }
    if (strike != null) {
        if (StyleConstants.isStrikeThrough(element.getAttributes()) != strike.booleanValue()) {
            return false;
        }
    }
    if (understrike != null) {
        if (StyleConstants.isUnderline(element.getAttributes()) != understrike.booleanValue()) {
            return false;
        }
    }
    if (fontSize != null) {
        if (StyleConstants.getFontSize(element.getAttributes()) != fontSize.intValue()) {
            return false;
        }
    }
    if (alignment != null) {
        if (StyleConstants.getAlignment(element.getAttributes()) != alignment.intValue()) {
            return false;
        }
    }
    if (fontFamily != null) {
        if (!StyleConstants.getFontFamily(element.getAttributes()).equals(fontFamily)) {
            return false;
        }
    }
    if (background != null) {
        if (!StyleConstants.getBackground(element.getAttributes()).equals(background)) {
            return false;
        }
    }
    if (foreground != null) {
        if (!StyleConstants.getForeground(element.getAttributes()).equals(foreground)) {
            return false;
        }
    }
    return true;
}
 

public
int getFontSize() {
  AttributeSet attrSet = (AttributeSet) attributes.get(Priority.INFO);
  return StyleConstants.getFontSize(attrSet);
}