Examples with RectangleInsets org.jfree.chart.util.RectangleInsets used on opensource projects

Example 41 with RectangleInsets

use of org.jfree.chart.util.RectangleInsets in project graphcode2vec by graphcode2vec.

the class Axis method getLabelEnclosure.

/**
 * Returns a rectangle that encloses the axis label.  This is typically
 * used for layout purposes (it gives the maximum dimensions of the label).
 *
 * @param g2  the graphics device.
 * @param edge  the edge of the plot area along which the axis is measuring.
 *
 * @return The enclosing rectangle.
 */
protected Rectangle2D getLabelEnclosure(Graphics2D g2, RectangleEdge edge) {
    Rectangle2D result = new Rectangle2D.Double();
    String axisLabel = getLabel();
    if (axisLabel != null && !axisLabel.equals("")) {
        FontMetrics fm = g2.getFontMetrics(getLabelFont());
        Rectangle2D bounds = TextUtilities.getTextBounds(axisLabel, g2, fm);
        RectangleInsets insets = getLabelInsets();
        bounds = insets.createOutsetRectangle(bounds);
        double angle = getLabelAngle();
        if (edge == RectangleEdge.LEFT || edge == RectangleEdge.RIGHT) {
            angle = angle - Math.PI / 2.0;
        }
        double x = bounds.getCenterX();
        double y = bounds.getCenterY();
        AffineTransform transformer = AffineTransform.getRotateInstance(angle, x, y);
        Shape labelBounds = transformer.createTransformedShape(bounds);
        result = labelBounds.getBounds2D();
    }
    return result;
}

Example 42 with RectangleInsets

use of org.jfree.chart.util.RectangleInsets in project graphcode2vec by graphcode2vec.

the class CategoryAxis method calculateTextBlockHeight.

/**
 * A utility method for determining the height of a text block.
 *
 * @param block  the text block.
 * @param position  the label position.
 * @param g2  the graphics device.
 *
 * @return The height.
 */
protected double calculateTextBlockHeight(TextBlock block, CategoryLabelPosition position, Graphics2D g2) {
    RectangleInsets insets = getTickLabelInsets();
    Size2D size = block.calculateDimensions(g2);
    Rectangle2D box = new Rectangle2D.Double(0.0, 0.0, size.getWidth(), size.getHeight());
    Shape rotatedBox = ShapeUtilities.rotateShape(box, position.getAngle(), 0.0f, 0.0f);
    double h = rotatedBox.getBounds2D().getHeight() + insets.getTop() + insets.getBottom();
    return h;
}

Example 43 with RectangleInsets

use of org.jfree.chart.util.RectangleInsets in project graphcode2vec by graphcode2vec.

the class ValueAxis method findMaximumTickLabelHeight.

/**
 * A utility method for determining the height of the tallest tick label.
 *
 * @param ticks  the ticks.
 * @param g2  the graphics device.
 * @param drawArea  the area within which the plot and axes should be drawn.
 * @param vertical  a flag that indicates whether or not the tick labels
 *                  are 'vertical'.
 *
 * @return The height of the tallest tick label.
 */
protected double findMaximumTickLabelHeight(List ticks, Graphics2D g2, Rectangle2D drawArea, boolean vertical) {
    RectangleInsets insets = getTickLabelInsets();
    Font font = getTickLabelFont();
    double maxHeight = 0.0;
    if (vertical) {
        FontMetrics fm = g2.getFontMetrics(font);
        Iterator iterator = ticks.iterator();
        while (iterator.hasNext()) {
            Tick tick = (Tick) iterator.next();
            Rectangle2D labelBounds = TextUtilities.getTextBounds(tick.getText(), g2, fm);
            if (labelBounds.getWidth() + insets.getTop() + insets.getBottom() > maxHeight) {
                maxHeight = labelBounds.getWidth() + insets.getTop() + insets.getBottom();
            }
        }
    } else {
        LineMetrics metrics = font.getLineMetrics("ABCxyz", g2.getFontRenderContext());
        maxHeight = metrics.getHeight() + insets.getTop() + insets.getBottom();
    }
    return maxHeight;
}

Example 44 with RectangleInsets

use of org.jfree.chart.util.RectangleInsets in project graphcode2vec by graphcode2vec.

the class ValueAxis method calculateAnchorPoint.

/**
 * Calculates the anchor point for a tick label.
 *
 * @param tick  the tick.
 * @param cursor  the cursor.
 * @param dataArea  the data area.
 * @param edge  the edge on which the axis is drawn.
 *
 * @return The x and y coordinates of the anchor point.
 */
protected float[] calculateAnchorPoint(ValueTick tick, double cursor, Rectangle2D dataArea, RectangleEdge edge) {
    RectangleInsets insets = getTickLabelInsets();
    float[] result = new float[2];
    if (edge == RectangleEdge.TOP) {
        result[0] = (float) valueToJava2D(tick.getValue(), dataArea, edge);
        result[1] = (float) (cursor - insets.getBottom() - 2.0);
    } else if (edge == RectangleEdge.BOTTOM) {
        result[0] = (float) valueToJava2D(tick.getValue(), dataArea, edge);
        result[1] = (float) (cursor + insets.getTop() + 2.0);
    } else if (edge == RectangleEdge.LEFT) {
        result[0] = (float) (cursor - insets.getLeft() - 2.0);
        result[1] = (float) valueToJava2D(tick.getValue(), dataArea, edge);
    } else if (edge == RectangleEdge.RIGHT) {
        result[0] = (float) (cursor + insets.getRight() + 2.0);
        result[1] = (float) valueToJava2D(tick.getValue(), dataArea, edge);
    }
    return result;
}