Java Code Examples for java.awt.font.TextLayout#getCharacterCount()

public void test() {

        // construct a paragraph as follows: MIXED + [SPACING + WORD] + ...
        StringBuffer text = new StringBuffer(MIXED);
        for (int i=0; i < NUM_WORDS; i++) {
            text.append(SPACING);
            text.append(WORD);
        }

        AttributedString attrString = new AttributedString(text.toString());
        attrString.addAttribute(TextAttribute.SIZE, new Float(24.0));

        LineBreakMeasurer measurer = new LineBreakMeasurer(attrString.getIterator(),
                                                           DEFAULT_FRC);

        // get width of a space-word sequence, in context
        int sequenceLength = WORD.length()+SPACING.length();
        measurer.setPosition(text.length() - sequenceLength);

        TextLayout layout = measurer.nextLayout(10000.0f);

        if (layout.getCharacterCount() != sequenceLength) {
            throw new Error("layout length is incorrect!");
        }

        final float sequenceAdvance = layout.getVisibleAdvance();

        float wrappingWidth = sequenceAdvance * 2;

        // now run test with a variety of widths
        while (wrappingWidth < (sequenceAdvance*NUM_WORDS)) {
            measurer.setPosition(0);
            checkMeasurer(measurer,
                          wrappingWidth,
                          sequenceAdvance,
                          text.length());
            wrappingWidth += sequenceAdvance / 5;
        }
    }
 

public TextBoxPaintable(String string, Font font, float maxWidth,
		float insets, Paint paint) {
	if (paint == null)
		paint = SystemColor.textText;
	this.insets = insets;
	this.text = string;
	this.paint = paint;

	List<String> lines = new ArrayList<String>();
	Map<TextAttribute, Object> attributes = new HashMap<TextAttribute, Object>();
	attributes.put(TextAttribute.FONT, font);
	AttributedString attrString = new AttributedString(string, attributes);
	LineBreakMeasurer lbm = new LineBreakMeasurer(attrString.getIterator(),
			frc);
	TextLayout tl = lbm.nextLayout(maxWidth);
	float dy = 0;
	GeneralPath path = new GeneralPath();
	int startIndex = 0;
	while (tl != null) {
		path.append(
				tl.getOutline(AffineTransform.getTranslateInstance(0, dy)),
				false);
		dy += tl.getAscent() + tl.getDescent() + tl.getLeading();
		int charCount = tl.getCharacterCount();
		lines.add(text.substring(startIndex, startIndex + charCount));
		startIndex += charCount;
		tl = lbm.nextLayout(maxWidth);
	}
	this.lines = lines.toArray(new String[lines.size()]);
	untransformedShape = path;
	Rectangle2D b = ShapeBounds.getBounds(untransformedShape);
	b.setFrame(b.getX(), b.getY(), b.getWidth() + 2 * insets, b.getHeight()
			+ 2 * insets);
	untransformedBounds = b.getBounds();
}
 

public void test() {

        // construct a paragraph as follows: MIXED + [SPACING + WORD] + ...
        StringBuffer text = new StringBuffer(MIXED);
        for (int i=0; i < NUM_WORDS; i++) {
            text.append(SPACING);
            text.append(WORD);
        }

        AttributedString attrString = new AttributedString(text.toString());
        attrString.addAttribute(TextAttribute.SIZE, new Float(24.0));

        LineBreakMeasurer measurer = new LineBreakMeasurer(attrString.getIterator(),
                                                           DEFAULT_FRC);

        // get width of a space-word sequence, in context
        int sequenceLength = WORD.length()+SPACING.length();
        measurer.setPosition(text.length() - sequenceLength);

        TextLayout layout = measurer.nextLayout(10000.0f);

        if (layout.getCharacterCount() != sequenceLength) {
            throw new Error("layout length is incorrect!");
        }

        final float sequenceAdvance = layout.getVisibleAdvance();

        float wrappingWidth = sequenceAdvance * 2;

        // now run test with a variety of widths
        while (wrappingWidth < (sequenceAdvance*NUM_WORDS)) {
            measurer.setPosition(0);
            checkMeasurer(measurer,
                          wrappingWidth,
                          sequenceAdvance,
                          text.length());
            wrappingWidth += sequenceAdvance / 5;
        }
    }
 

public static String toStringShort(TextLayout textLayout) {
    return "[" + textLayout.getCharacterCount() + "]W=" + textLayout.getAdvance(); // NOI18N
}
 

protected void drawComplexText( final RenderNode node ) {
  final RenderableComplexText renderableComplexText = (RenderableComplexText) node;

  // The text node that is printed will overlap with the ellipse we need to print.
  if ( renderableComplexText.isNodeVisible( drawArea ) == false ) {
    return;
  }
  if ( renderableComplexText.getRawText().length() == 0 ) {
    // This text is empty.
    return;
  }

  final String text;
  TextLayout textLayout = renderableComplexText.getTextLayout();
  String debugInfo = textLayout.toString();
  String startPos =
      debugInfo.substring( debugInfo.indexOf( "[start:" ), debugInfo.indexOf( ", len:" ) ).replace( "[start:", "" );
  int startPosIntValue = -1;

  try {
    startPosIntValue = Integer.parseInt( startPos );
  } catch ( NumberFormatException e ) {
    // do nothing
  }

  // workaround for line breaking (since the text cannot be extracted directly from textLayout as stream or String)
  // in order to avoid duplicates of same source raw text on multiple lines
  if ( ( renderableComplexText.getRawText().length() > textLayout.getCharacterCount() ) && startPosIntValue >= 0 ) {
    text =
        renderableComplexText.getRawText().substring( startPosIntValue,
            textLayout.getCharacterCount() + startPosIntValue );
  } else {
    text = renderableComplexText.getRawText();
  }

  final int x =
      PlainTextPage.correctedDivisionFloor( ( renderableComplexText.getX() - drawArea.getX() ),
          characterWidthInMicroPoint );
  final int y =
      PlainTextPage.correctedDivisionFloor( ( renderableComplexText.getY() - drawArea.getY() ),
          characterHeightInMicroPoint );
  int w = text.length();

  // filter out results that do not belong to the current physical page
  if ( x + w > plainTextPage.getWidth() ) {
    w = Math.max( 0, plainTextPage.getWidth() - x );
  }
  if ( w == 0 ) {
    return;
  }
  if ( y < 0 ) {
    return;
  }
  if ( y >= plainTextPage.getHeight() ) {
    return;
  }

  plainTextPage.addTextChunk( x, y, w, text, renderableComplexText.getStyleSheet() );
}