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

Example 21 with RectangleInsets

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

the class NumberAxis method estimateMaximumTickLabelHeight.

/**
 * Estimates the maximum tick label height.
 *
 * @param g2  the graphics device.
 *
 * @return The maximum height.
 */
protected double estimateMaximumTickLabelHeight(Graphics2D g2) {
    RectangleInsets tickLabelInsets = getTickLabelInsets();
    double result = tickLabelInsets.getTop() + tickLabelInsets.getBottom();
    Font tickLabelFont = getTickLabelFont();
    FontRenderContext frc = g2.getFontRenderContext();
    result += tickLabelFont.getLineMetrics("123", frc).getHeight();
    return result;
}

Example 22 with RectangleInsets

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

the class NumberAxis method estimateMaximumTickLabelWidth.

/**
 * Estimates the maximum width of the tick labels, assuming the specified
 * tick unit is used.
 * <P>
 * Rather than computing the string bounds of every tick on the axis, we
 * just look at two values: the lower bound and the upper bound for the
 * axis.  These two values will usually be representative.
 *
 * @param g2  the graphics device.
 * @param unit  the tick unit to use for calculation.
 *
 * @return The estimated maximum width of the tick labels.
 */
protected double estimateMaximumTickLabelWidth(Graphics2D g2, TickUnit unit) {
    RectangleInsets tickLabelInsets = getTickLabelInsets();
    double result = tickLabelInsets.getLeft() + tickLabelInsets.getRight();
    if (isVerticalTickLabels()) {
        // all tick labels have the same width (equal to the height of the
        // font)...
        FontRenderContext frc = g2.getFontRenderContext();
        LineMetrics lm = getTickLabelFont().getLineMetrics("0", frc);
        result += lm.getHeight();
    } else {
        // look at lower and upper bounds...
        FontMetrics fm = g2.getFontMetrics(getTickLabelFont());
        Range range = getRange();
        double lower = range.getLowerBound();
        double upper = range.getUpperBound();
        String lowerStr = "";
        String upperStr = "";
        NumberFormat formatter = getNumberFormatOverride();
        if (formatter != null) {
            lowerStr = formatter.format(lower);
            upperStr = formatter.format(upper);
        } else {
            lowerStr = unit.valueToString(lower);
            upperStr = unit.valueToString(upper);
        }
        double w1 = fm.stringWidth(lowerStr);
        double w2 = fm.stringWidth(upperStr);
        result += Math.max(w1, w2);
    }
    return result;
}

Example 23 with RectangleInsets

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

the class Axis method drawLabel.

/**
 * Draws the axis label.
 *
 * @param label  the label text.
 * @param g2  the graphics device.
 * @param plotArea  the plot area.
 * @param dataArea  the area inside the axes.
 * @param edge  the location of the axis.
 * @param state  the axis state (<code>null</code> not permitted).
 * @param plotState  the plot state (<code>null</code> permitted).
 *
 * @return Information about the axis.
 */
protected AxisState drawLabel(String label, Graphics2D g2, Rectangle2D plotArea, Rectangle2D dataArea, RectangleEdge edge, AxisState state, PlotRenderingInfo plotState) {
    // it is unlikely that 'state' will be null, but check anyway...
    if (state == null) {
        throw new IllegalArgumentException("Null 'state' argument.");
    }
    if ((label == null) || (label.equals(""))) {
        return state;
    }
    Font font = getLabelFont();
    RectangleInsets insets = getLabelInsets();
    g2.setFont(font);
    g2.setPaint(getLabelPaint());
    FontMetrics fm = g2.getFontMetrics();
    Rectangle2D labelBounds = TextUtilities.getTextBounds(label, g2, fm);
    Shape hotspot = null;
    if (edge == RectangleEdge.TOP) {
        AffineTransform t = AffineTransform.getRotateInstance(getLabelAngle(), labelBounds.getCenterX(), labelBounds.getCenterY());
        Shape rotatedLabelBounds = t.createTransformedShape(labelBounds);
        labelBounds = rotatedLabelBounds.getBounds2D();
        float w = (float) labelBounds.getWidth();
        float h = (float) labelBounds.getHeight();
        float labelx = (float) dataArea.getCenterX();
        float labely = (float) (state.getCursor() - insets.getBottom() - h / 2.0);
        TextUtilities.drawRotatedString(label, g2, labelx, labely, TextAnchor.CENTER, getLabelAngle(), TextAnchor.CENTER);
        hotspot = new Rectangle2D.Float(labelx - w / 2.0f, labely - h / 2.0f, w, h);
        state.cursorUp(insets.getTop() + labelBounds.getHeight() + insets.getBottom());
    } else if (edge == RectangleEdge.BOTTOM) {
        AffineTransform t = AffineTransform.getRotateInstance(getLabelAngle(), labelBounds.getCenterX(), labelBounds.getCenterY());
        Shape rotatedLabelBounds = t.createTransformedShape(labelBounds);
        labelBounds = rotatedLabelBounds.getBounds2D();
        float w = (float) labelBounds.getWidth();
        float h = (float) labelBounds.getHeight();
        float labelx = (float) dataArea.getCenterX();
        float labely = (float) (state.getCursor() + insets.getTop() + h / 2.0);
        TextUtilities.drawRotatedString(label, g2, labelx, labely, TextAnchor.CENTER, getLabelAngle(), TextAnchor.CENTER);
        hotspot = new Rectangle2D.Float(labelx - w / 2.0f, labely - h / 2.0f, w, h);
        state.cursorDown(insets.getTop() + labelBounds.getHeight() + insets.getBottom());
    } else if (edge == RectangleEdge.LEFT) {
        AffineTransform t = AffineTransform.getRotateInstance(getLabelAngle() - Math.PI / 2.0, labelBounds.getCenterX(), labelBounds.getCenterY());
        Shape rotatedLabelBounds = t.createTransformedShape(labelBounds);
        labelBounds = rotatedLabelBounds.getBounds2D();
        float w = (float) labelBounds.getWidth();
        float h = (float) labelBounds.getHeight();
        float labelx = (float) (state.getCursor() - insets.getRight() - w / 2.0);
        float labely = (float) dataArea.getCenterY();
        TextUtilities.drawRotatedString(label, g2, labelx, labely, TextAnchor.CENTER, getLabelAngle() - Math.PI / 2.0, TextAnchor.CENTER);
        hotspot = new Rectangle2D.Float(labelx - w / 2.0f, labely - h / 2.0f, w, h);
        state.cursorLeft(insets.getLeft() + labelBounds.getWidth() + insets.getRight());
    } else if (edge == RectangleEdge.RIGHT) {
        AffineTransform t = AffineTransform.getRotateInstance(getLabelAngle() + Math.PI / 2.0, labelBounds.getCenterX(), labelBounds.getCenterY());
        Shape rotatedLabelBounds = t.createTransformedShape(labelBounds);
        labelBounds = rotatedLabelBounds.getBounds2D();
        float w = (float) labelBounds.getWidth();
        float h = (float) labelBounds.getHeight();
        float labelx = (float) (state.getCursor() + insets.getLeft() + w / 2.0);
        float labely = (float) (dataArea.getY() + dataArea.getHeight() / 2.0);
        TextUtilities.drawRotatedString(label, g2, labelx, labely, TextAnchor.CENTER, getLabelAngle() + Math.PI / 2.0, TextAnchor.CENTER);
        hotspot = new Rectangle2D.Float(labelx - w / 2.0f, labely - h / 2.0f, w, h);
        state.cursorRight(insets.getLeft() + labelBounds.getWidth() + insets.getRight());
    }
    if (plotState != null && hotspot != null) {
        ChartRenderingInfo owner = plotState.getOwner();
        if (owner != null) {
            EntityCollection entities = owner.getEntityCollection();
            if (entities != null) {
                entities.add(new AxisLabelEntity(this, hotspot, this.labelToolTip, this.labelURL));
            }
        }
    }
    return state;
}

Example 24 with RectangleInsets

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

the class ValueAxis method findMaximumTickLabelWidth.

/**
 * A utility method for determining the width of the widest 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 width of the tallest tick label.
 */
protected double findMaximumTickLabelWidth(List ticks, Graphics2D g2, Rectangle2D drawArea, boolean vertical) {
    RectangleInsets insets = getTickLabelInsets();
    Font font = getTickLabelFont();
    double maxWidth = 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.getLeft() + insets.getRight() > maxWidth) {
                maxWidth = labelBounds.getWidth() + insets.getLeft() + insets.getRight();
            }
        }
    } else {
        LineMetrics metrics = font.getLineMetrics("ABCxyz", g2.getFontRenderContext());
        maxWidth = metrics.getHeight() + insets.getTop() + insets.getBottom();
    }
    return maxWidth;
}

Example 25 with RectangleInsets

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

the class CategoryAxis method calculateTextBlockWidth.

/**
 * A utility method for determining the width of a text block.
 *
 * @param block  the text block.
 * @param position  the position.
 * @param g2  the graphics device.
 *
 * @return The width.
 */
protected double calculateTextBlockWidth(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 w = rotatedBox.getBounds2D().getWidth() + insets.getLeft() + insets.getRight();
    return w;
}