Example usage for java.text AttributedString addAttributes

Introduction

In this page you can find the example usage for java.text AttributedString addAttributes.

Prototype

public void addAttributes(Map<? extends Attribute, ?> attributes, int beginIndex, int endIndex) 

Source Link

Document

Adds a set of attributes to a subrange of the string.

Usage

From source file:Main.java

/**
 * Reads a <code>AttributedString</code> object that has been serialised by
 * the {@link SerialUtilities#writeAttributedString(AttributedString,
 * ObjectOutputStream)} method.//from  w w w  .  j  av  a  2s.  c o  m
 *
 * @param stream  the input stream (<code>null</code> not permitted).
 *
 * @return The attributed string object (possibly <code>null</code>).
 *
 * @throws IOException  if there is an I/O problem.
 * @throws ClassNotFoundException  if there is a problem loading a class.
 */
public static AttributedString readAttributedString(ObjectInputStream stream)
        throws IOException, ClassNotFoundException {

    if (stream == null) {
        throw new IllegalArgumentException("Null 'stream' argument.");
    }
    AttributedString result = null;
    final boolean isNull = stream.readBoolean();
    if (!isNull) {
        // read string and attributes then create result
        String plainStr = (String) stream.readObject();
        result = new AttributedString(plainStr);
        char c = stream.readChar();
        int start = 0;
        while (c != CharacterIterator.DONE) {
            int limit = stream.readInt();
            Map atts = (Map) stream.readObject();
            result.addAttributes(atts, start, limit);
            start = limit;
            c = stream.readChar();
        }
    }
    return result;
}

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From source file:MainClass.java

public void paint(Graphics g) {
    Dimension size = getSize();/* ww  w . j ava  2 s .com*/

    String s = "To java2s.com or not to java2s.com, that is a question";

    Hashtable map = new Hashtable();
    map.put(TextAttribute.SIZE, new Float(32.0f));

    AttributedString as = new AttributedString(s, map);

    map = new Hashtable();
    map.put(TextAttribute.POSTURE, TextAttribute.POSTURE_OBLIQUE);

    as.addAttributes(map, 33, 52);

    AttributedCharacterIterator aci = as.getIterator();

    int startIndex = aci.getBeginIndex();
    int endIndex = aci.getEndIndex();

    LineBreakMeasurer measurer;
    measurer = new LineBreakMeasurer(aci, new FontRenderContext(null, false, false));
    measurer.setPosition(startIndex);

    float wrappingWidth = (float) size.width;

    float Y = 0.0f;

    while (measurer.getPosition() < endIndex) {
        TextLayout layout = measurer.nextLayout(wrappingWidth);

        Y += layout.getAscent();

        float X = 0.0f;

        switch (justify) {
        case LEFT:
            if (layout.isLeftToRight())
                X = 0.0f;
            else
                X = wrappingWidth - layout.getAdvance();
            break;

        case RIGHT:
            if (layout.isLeftToRight())
                X = wrappingWidth - layout.getVisibleAdvance();
            else
                X = wrappingWidth;
            break;

        case CENTER:
            if (layout.isLeftToRight())
                X = (wrappingWidth - layout.getVisibleAdvance()) / 2;
            else
                X = (wrappingWidth + layout.getAdvance()) / 2 - layout.getAdvance();
            break;

        case EQUALITY:
            layout = layout.getJustifiedLayout(wrappingWidth);
        }

        layout.draw((Graphics2D) g, X, Y);

        Y += layout.getDescent() + layout.getLeading();
    }
}

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