org.jfree.text.G2TextMeasurer Java Examples

/**
 * Draws a message to state that there is no data to plot.
 *
 * @param g2  the graphics device.
 * @param area  the area within which the plot should be drawn.
 */
protected void drawNoDataMessage(Graphics2D g2, Rectangle2D area) {
    Shape savedClip = g2.getClip();
    g2.clip(area);
    String message = this.noDataMessage;
    if (message != null) {
        g2.setFont(this.noDataMessageFont);
        g2.setPaint(this.noDataMessagePaint);
        TextBlock block = TextUtilities.createTextBlock(
                this.noDataMessage, this.noDataMessageFont,
                this.noDataMessagePaint, 0.9f * (float) area.getWidth(),
                new G2TextMeasurer(g2));
        block.draw(g2, (float) area.getCenterX(),
                (float) area.getCenterY(), TextBlockAnchor.CENTER);
    }
    g2.setClip(savedClip);
}
 

/**
 * Draws a message to state that there is no data to plot.
 *
 * @param g2  the graphics device.
 * @param area  the area within which the plot should be drawn.
 */
protected void drawNoDataMessage(Graphics2D g2, Rectangle2D area) {
    Shape savedClip = g2.getClip();
    g2.clip(area);
    String message = this.noDataMessage;
    if (message != null) {
        g2.setFont(this.noDataMessageFont);
        g2.setPaint(this.noDataMessagePaint);
        TextBlock block = TextUtilities.createTextBlock(
                this.noDataMessage, this.noDataMessageFont,
                this.noDataMessagePaint, 0.9f * (float) area.getWidth(),
                new G2TextMeasurer(g2));
        block.draw(g2, (float) area.getCenterX(),
                (float) area.getCenterY(), TextBlockAnchor.CENTER);
    }
    g2.setClip(savedClip);
}
 

/**
 * Draws a message to state that there is no data to plot.
 *
 * @param g2  the graphics device.
 * @param area  the area within which the plot should be drawn.
 */
protected void drawNoDataMessage(Graphics2D g2, Rectangle2D area) {
    Shape savedClip = g2.getClip();
    g2.clip(area);
    String message = this.noDataMessage;
    if (message != null) {
        g2.setFont(this.noDataMessageFont);
        g2.setPaint(this.noDataMessagePaint);
        TextBlock block = TextUtilities.createTextBlock(
                this.noDataMessage, this.noDataMessageFont,
                this.noDataMessagePaint, 0.9f * (float) area.getWidth(),
                new G2TextMeasurer(g2));
        block.draw(g2, (float) area.getCenterX(),
                (float) area.getCenterY(), TextBlockAnchor.CENTER);
    }
    g2.setClip(savedClip);
}
 

/**
 * Paints the panel.
 *
 * @param g  the graphics device.
 */
public void paintComponent(final Graphics g) {

    super.paintComponent(g);
    final Graphics2D g2 = (Graphics2D) g;

    final Dimension size = getSize();
    final Insets insets = getInsets();
    final Rectangle2D available = new Rectangle2D.Double(insets.left, insets.top,
                                  size.getWidth() - insets.left - insets.right,
                                  size.getHeight() - insets.top - insets.bottom);

    final double x = available.getX();
    final double y = available.getY();
    final float width = (float) available.getWidth();
    final TextBlock block = TextUtilities.createTextBlock(
        this.text, this.font, Color.black, width, new G2TextMeasurer(g2)
    );
    g2.setPaint(Color.black);
    block.draw(g2, (float) x, (float) y, TextBlockAnchor.TOP_LEFT, 0.0f, 0.0f, 0.0);

}
 

/**
 * Draws a message to state that there is no data to plot.
 *
 * @param g2  the graphics device.
 * @param area  the area within which the plot should be drawn.
 */
protected void drawNoDataMessage(Graphics2D g2, Rectangle2D area) {
    Shape savedClip = g2.getClip();
    g2.clip(area);
    String message = this.noDataMessage;
    if (message != null) {
        g2.setFont(this.noDataMessageFont);
        g2.setPaint(this.noDataMessagePaint);
        TextBlock block = TextUtilities.createTextBlock(
                this.noDataMessage, this.noDataMessageFont,
                this.noDataMessagePaint, 0.9f * (float) area.getWidth(),
                new G2TextMeasurer(g2));
        block.draw(g2, (float) area.getCenterX(),
                (float) area.getCenterY(), TextBlockAnchor.CENTER);
    }
    g2.setClip(savedClip);
}
 

/**
 * Draws a message to state that there is no data to plot.
 *
 * @param g2  the graphics device.
 * @param area  the area within which the plot should be drawn.
 */
protected void drawNoDataMessage(Graphics2D g2, Rectangle2D area) {
    Shape savedClip = g2.getClip();
    g2.clip(area);
    String message = this.noDataMessage;
    if (message != null) {
        g2.setFont(this.noDataMessageFont);
        g2.setPaint(this.noDataMessagePaint);
        TextBlock block = TextUtilities.createTextBlock(
                this.noDataMessage, this.noDataMessageFont,
                this.noDataMessagePaint, 0.9f * (float) area.getWidth(),
                new G2TextMeasurer(g2));
        block.draw(g2, (float) area.getCenterX(),
                (float) area.getCenterY(), TextBlockAnchor.CENTER);
    }
    g2.setClip(savedClip);
}
 

/**
 * Draws a message to state that there is no data to plot.
 *
 * @param g2  the graphics device.
 * @param area  the area within which the plot should be drawn.
 */
protected void drawNoDataMessage(Graphics2D g2, Rectangle2D area) {
    Shape savedClip = g2.getClip();
    g2.clip(area);
    String message = this.noDataMessage;
    if (message != null) {
        g2.setFont(this.noDataMessageFont);
        g2.setPaint(this.noDataMessagePaint);
        TextBlock block = TextUtilities.createTextBlock(
                this.noDataMessage, this.noDataMessageFont,
                this.noDataMessagePaint, 0.9f * (float) area.getWidth(),
                new G2TextMeasurer(g2));
        block.draw(g2, (float) area.getCenterX(),
                (float) area.getCenterY(), TextBlockAnchor.CENTER);
    }
    g2.setClip(savedClip);
}
 

/**
 * Draws a message to state that there is no data to plot.
 *
 * @param g2  the graphics device.
 * @param area  the area within which the plot should be drawn.
 */
protected void drawNoDataMessage(Graphics2D g2, Rectangle2D area) {
    Shape savedClip = g2.getClip();
    g2.clip(area);
    String message = this.noDataMessage;
    if (message != null) {
        g2.setFont(this.noDataMessageFont);
        g2.setPaint(this.noDataMessagePaint);
        TextBlock block = TextUtilities.createTextBlock(
                this.noDataMessage, this.noDataMessageFont, 
                this.noDataMessagePaint, 0.9f * (float) area.getWidth(), 
                new G2TextMeasurer(g2));
        block.draw(g2, (float) area.getCenterX(), (float) area.getCenterY(), 
                TextBlockAnchor.CENTER);
    }
    g2.setClip(savedClip);
}
 

/**
 * Draws the left labels.
 * 
 * @param leftKeys  the keys.
 * @param g2  the graphics device.
 * @param plotArea  the plot area.
 * @param linkArea  the link area.
 * @param maxLabelWidth  the maximum label width.
 * @param state  the state.
 */
protected void drawLeftLabels(KeyedValues leftKeys, Graphics2D g2, 
                              Rectangle2D plotArea, Rectangle2D linkArea, 
                              float maxLabelWidth, PiePlotState state) {
    
    PieLabelDistributor distributor1 = new PieLabelDistributor(
        leftKeys.getItemCount()
    );
    double lGap = plotArea.getWidth() * this.labelGap;
    double verticalLinkRadius = state.getLinkArea().getHeight() / 2.0;
    for (int i = 0; i < leftKeys.getItemCount(); i++) {   
        String label = this.labelGenerator.generateSectionLabel(
                this.dataset, leftKeys.getKey(i));
        if (label != null) {
            TextBlock block = TextUtilities.createTextBlock(label, 
                    this.labelFont, this.labelPaint, maxLabelWidth, 
                    new G2TextMeasurer(g2));
            TextBox labelBox = new TextBox(block);
            labelBox.setBackgroundPaint(this.labelBackgroundPaint);
            labelBox.setOutlinePaint(this.labelOutlinePaint);
            labelBox.setOutlineStroke(this.labelOutlineStroke);
            labelBox.setShadowPaint(this.labelShadowPaint);
            double theta = Math.toRadians(
                    leftKeys.getValue(i).doubleValue());
            double baseY = state.getPieCenterY() - Math.sin(theta) 
                           * verticalLinkRadius;
            double hh = labelBox.getHeight(g2);

            distributor1.addPieLabelRecord(new PieLabelRecord(
                    leftKeys.getKey(i), theta, baseY, labelBox, hh,
                    lGap / 2.0 + lGap / 2.0 * -Math.cos(theta), 0.9 
                    + getExplodePercent(this.dataset.getIndex(
                            leftKeys.getKey(i)))));
        }
    }
    distributor1.distributeLabels(plotArea.getMinY(), plotArea.getHeight());
    for (int i = 0; i < distributor1.getItemCount(); i++) {
        drawLeftLabel(g2, state, distributor1.getPieLabelRecord(i));
    }
}
 

/**
 * Draws the right labels.
 * 
 * @param keys  the keys.
 * @param g2  the graphics device.
 * @param plotArea  the plot area.
 * @param linkArea  the link area.
 * @param maxLabelWidth  the maximum label width.
 * @param state  the state.
 */
protected void drawRightLabels(KeyedValues keys, Graphics2D g2, 
                               Rectangle2D plotArea, Rectangle2D linkArea, 
                               float maxLabelWidth, PiePlotState state) {

    // draw the right labels...
    PieLabelDistributor distributor2 
        = new PieLabelDistributor(keys.getItemCount());
    double lGap = plotArea.getWidth() * this.labelGap;
    double verticalLinkRadius = state.getLinkArea().getHeight() / 2.0;

    for (int i = 0; i < keys.getItemCount(); i++) {
        String label = this.labelGenerator.generateSectionLabel(
                this.dataset, keys.getKey(i));

        if (label != null) {
            TextBlock block = TextUtilities.createTextBlock(label, 
                    this.labelFont, this.labelPaint, maxLabelWidth, 
                    new G2TextMeasurer(g2));
            TextBox labelBox = new TextBox(block);
            labelBox.setBackgroundPaint(this.labelBackgroundPaint);
            labelBox.setOutlinePaint(this.labelOutlinePaint);
            labelBox.setOutlineStroke(this.labelOutlineStroke);
            labelBox.setShadowPaint(this.labelShadowPaint);
            double theta = Math.toRadians(keys.getValue(i).doubleValue());
            double baseY = state.getPieCenterY() 
                          - Math.sin(theta) * verticalLinkRadius;
            double hh = labelBox.getHeight(g2);
            distributor2.addPieLabelRecord(new PieLabelRecord(
                    keys.getKey(i), theta, baseY, labelBox, hh,
                    lGap / 2.0 + lGap / 2.0 * Math.cos(theta), 
                    0.9 + getExplodePercent(this.dataset.getIndex(
                            keys.getKey(i)))));
        }
    }
    distributor2.distributeLabels(plotArea.getMinY(), plotArea.getHeight());
    for (int i = 0; i < distributor2.getItemCount(); i++) {
        drawRightLabel(g2, state, distributor2.getPieLabelRecord(i));
    }

}
 

protected TextBlock createLabel( final Comparable category, final float width,
                                 final RectangleEdge edge, final Graphics2D g2 ) {
  return TextUtilities.createTextBlock( format.format( new Object[] { category } ),
    getTickLabelFont( category ), getTickLabelPaint( category ), width,
    getMaximumCategoryLabelLines(), new G2TextMeasurer( g2 ) );
}
 

protected TextBlock createLabel( final Comparable category, final float width,
                                 final RectangleEdge edge, final Graphics2D g2 ) {
  return TextUtilities.createTextBlock( format.format( new Object[] { category } ),
    getTickLabelFont( category ), getTickLabelPaint( category ), width,
    getMaximumCategoryLabelLines(), new G2TextMeasurer( g2 ) );
}
 

/**
 * Creates a label.
 *
 * @param category  the category.
 * @param width  the available width.
 * @param edge  the edge on which the axis appears.
 * @param g2  the graphics device.
 *
 * @return A label.
 */
protected TextBlock createLabel(Comparable category, float width,
        RectangleEdge edge, Graphics2D g2) {
    TextBlock label = TextUtilities.createTextBlock(category.toString(),
            getTickLabelFont(category), getTickLabelPaint(category), width,
            this.maximumCategoryLabelLines, new G2TextMeasurer(g2));
    return label;
}
 

/**
 * Creates a label.
 *
 * @param category  the category.
 * @param width  the available width.
 * @param edge  the edge on which the axis appears.
 * @param g2  the graphics device.
 *
 * @return A label.
 */
protected TextBlock createLabel(Comparable category, float width,
        RectangleEdge edge, Graphics2D g2) {
    TextBlock label = TextUtilities.createTextBlock(category.toString(),
            getTickLabelFont(category), getTickLabelPaint(category), width,
            this.maximumCategoryLabelLines, new G2TextMeasurer(g2));
    return label;
}
 

/**
 * Creates a label.
 *
 * @param category  the category.
 * @param width  the available width. 
 * @param edge  the edge on which the axis appears.
 * @param g2  the graphics device.
 *
 * @return A label.
 */
protected TextBlock createLabel(Comparable category, float width, 
                                RectangleEdge edge, Graphics2D g2) {
    TextBlock label = TextUtilities.createTextBlock(
        category.toString(), getTickLabelFont(category), 
        getTickLabelPaint(category), width, this.maximumCategoryLabelLines, 
        new G2TextMeasurer(g2));  
    return label; 
}
 

/**
 * Creates a label.
 *
 * @param category  the category.
 * @param width  the available width.
 * @param edge  the edge on which the axis appears.
 * @param g2  the graphics device.
 *
 * @return A label.
 */
protected TextBlock createLabel(Comparable category, float width,
        RectangleEdge edge, Graphics2D g2) {
    TextBlock label = TextUtilities.createTextBlock(category.toString(),
            getTickLabelFont(category), getTickLabelPaint(category), width,
            this.maximumCategoryLabelLines, new G2TextMeasurer(g2));
    return label;
}
 

/**
 * Creates a label.
 *
 * @param category  the category.
 * @param width  the available width.
 * @param edge  the edge on which the axis appears.
 * @param g2  the graphics device.
 *
 * @return A label.
 */
protected TextBlock createLabel(Comparable category, float width,
        RectangleEdge edge, Graphics2D g2) {
    TextBlock label = TextUtilities.createTextBlock(category.toString(),
            getTickLabelFont(category), getTickLabelPaint(category), width,
            this.maximumCategoryLabelLines, new G2TextMeasurer(g2));
    return label;
}
 

/**
 * Creates a label.
 *
 * @param category  the category.
 * @param width  the available width.
 * @param edge  the edge on which the axis appears.
 * @param g2  the graphics device.
 *
 * @return A label.
 */
protected TextBlock createLabel(Comparable category, float width,
        RectangleEdge edge, Graphics2D g2) {
    TextBlock label = TextUtilities.createTextBlock(category.toString(),
            getTickLabelFont(category), getTickLabelPaint(category), width,
            this.maximumCategoryLabelLines, new G2TextMeasurer(g2));
    return label;
}
 

/**
 * Creates a label.
 *
 * @param category  the category.
 * @param width  the available width.
 * @param edge  the edge on which the axis appears.
 * @param g2  the graphics device.
 *
 * @return A label.
 */
protected TextBlock createLabel(Comparable category, float width,
        RectangleEdge edge, Graphics2D g2) {
    TextBlock label = TextUtilities.createTextBlock(category.toString(),
            getTickLabelFont(category), getTickLabelPaint(category), width,
            this.maximumCategoryLabelLines, new G2TextMeasurer(g2));
    return label;
}