axis.java

jfreechart-1.0.12.zip 可以用来作图

        return this.label;
    }

    /**
     * Sets the label for the axis and sends an {@link AxisChangeEvent} to all
     * registered listeners.
     *
     * @param label  the new label (<code>null</code> permitted).
     *
     * @see #getLabel()
     * @see #setLabelFont(Font)
     * @see #setLabelPaint(Paint)
     */
    public void setLabel(String label) {

        String existing = this.label;
        if (existing != null) {
            if (!existing.equals(label)) {
                this.label = label;
                fireChangeEvent();
            }
        }
        else {
            if (label != null) {
                this.label = label;
                fireChangeEvent();
            }
        }

    }

    /**
     * Returns the font for the axis label.
     *
     * @return The font (never <code>null</code>).
     *
     * @see #setLabelFont(Font)
     */
    public Font getLabelFont() {
        return this.labelFont;
    }

    /**
     * Sets the font for the axis label and sends an {@link AxisChangeEvent}
     * to all registered listeners.
     *
     * @param font  the font (<code>null</code> not permitted).
     *
     * @see #getLabelFont()
     */
    public void setLabelFont(Font font) {
        if (font == null) {
            throw new IllegalArgumentException("Null 'font' argument.");
        }
        if (!this.labelFont.equals(font)) {
            this.labelFont = font;
            fireChangeEvent();
        }
    }

    /**
     * Returns the color/shade used to draw the axis label.
     *
     * @return The paint (never <code>null</code>).
     *
     * @see #setLabelPaint(Paint)
     */
    public Paint getLabelPaint() {
        return this.labelPaint;
    }

    /**
     * Sets the paint used to draw the axis label and sends an
     * {@link AxisChangeEvent} to all registered listeners.
     *
     * @param paint  the paint (<code>null</code> not permitted).
     *
     * @see #getLabelPaint()
     */
    public void setLabelPaint(Paint paint) {
        if (paint == null) {
            throw new IllegalArgumentException("Null 'paint' argument.");
        }
        this.labelPaint = paint;
        fireChangeEvent();
    }

    /**
     * Returns the insets for the label (that is, the amount of blank space
     * that should be left around the label).
     *
     * @return The label insets (never <code>null</code>).
     *
     * @see #setLabelInsets(RectangleInsets)
     */
    public RectangleInsets getLabelInsets() {
        return this.labelInsets;
    }

    /**
     * Sets the insets for the axis label, and sends an {@link AxisChangeEvent}
     * to all registered listeners.
     *
     * @param insets  the insets (<code>null</code> not permitted).
     *
     * @see #getLabelInsets()
     */
    public void setLabelInsets(RectangleInsets insets) {
        setLabelInsets(insets, true);
    }

    /**
     * Sets the insets for the axis label, and sends an {@link AxisChangeEvent}
     * to all registered listeners.
     *
     * @param insets  the insets (<code>null</code> not permitted).
     * @param notify  notify listeners?
     *
     * @since 1.0.10
     */
    public void setLabelInsets(RectangleInsets insets, boolean notify) {
        if (insets == null) {
            throw new IllegalArgumentException("Null 'insets' argument.");
        }
        if (!insets.equals(this.labelInsets)) {
            this.labelInsets = insets;
            if (notify) {
                fireChangeEvent();
            }
        }
    }

    /**
     * Returns the angle of the axis label.
     *
     * @return The angle (in radians).
     *
     * @see #setLabelAngle(double)
     */
    public double getLabelAngle() {
        return this.labelAngle;
    }

    /**
     * Sets the angle for the label and sends an {@link AxisChangeEvent} to all
     * registered listeners.
     *
     * @param angle  the angle (in radians).
     *
     * @see #getLabelAngle()
     */
    public void setLabelAngle(double angle) {
        this.labelAngle = angle;
        fireChangeEvent();
    }

    /**
     * A flag that controls whether or not the axis line is drawn.
     *
     * @return A boolean.
     *
     * @see #getAxisLinePaint()
     * @see #getAxisLineStroke()
     * @see #setAxisLineVisible(boolean)
     */
    public boolean isAxisLineVisible() {
        return this.axisLineVisible;
    }

    /**
     * Sets a flag that controls whether or not the axis line is visible and
     * sends an {@link AxisChangeEvent} to all registered listeners.
     *
     * @param visible  the flag.
     *
     * @see #isAxisLineVisible()
     * @see #setAxisLinePaint(Paint)
     * @see #setAxisLineStroke(Stroke)
     */
    public void setAxisLineVisible(boolean visible) {
        this.axisLineVisible = visible;
        fireChangeEvent();
    }

    /**
     * Returns the paint used to draw the axis line.
     *
     * @return The paint (never <code>null</code>).
     *
     * @see #setAxisLinePaint(Paint)
     */
    public Paint getAxisLinePaint() {
        return this.axisLinePaint;
    }

    /**
     * Sets the paint used to draw the axis line and sends an
     * {@link AxisChangeEvent} to all registered listeners.
     *
     * @param paint  the paint (<code>null</code> not permitted).
     *
     * @see #getAxisLinePaint()
     */
    public void setAxisLinePaint(Paint paint) {
        if (paint == null) {
            throw new IllegalArgumentException("Null 'paint' argument.");
        }
        this.axisLinePaint = paint;
        fireChangeEvent();
    }

    /**
     * Returns the stroke used to draw the axis line.
     *
     * @return The stroke (never <code>null</code>).
     *
     * @see #setAxisLineStroke(Stroke)
     */
    public Stroke getAxisLineStroke() {
        return this.axisLineStroke;
    }

    /**
     * Sets the stroke used to draw the axis line and sends an
     * {@link AxisChangeEvent} to all registered listeners.
     *
     * @param stroke  the stroke (<code>null</code> not permitted).
     *
     * @see #getAxisLineStroke()
     */
    public void setAxisLineStroke(Stroke stroke) {
        if (stroke == null) {
            throw new IllegalArgumentException("Null 'stroke' argument.");
        }
        this.axisLineStroke = stroke;
        fireChangeEvent();
    }

    /**
     * Returns a flag indicating whether or not the tick labels are visible.
     *
     * @return The flag.
     *
     * @see #getTickLabelFont()
     * @see #getTickLabelPaint()
     * @see #setTickLabelsVisible(boolean)
     */
    public boolean isTickLabelsVisible() {
        return this.tickLabelsVisible;
    }

    /**
     * Sets the flag that determines whether or not the tick labels are
     * visible and sends an {@link AxisChangeEvent} to all registered
     * listeners.
     *
     * @param flag  the flag.
     *
     * @see #isTickLabelsVisible()
     * @see #setTickLabelFont(Font)
     * @see #setTickLabelPaint(Paint)
     */
    public void setTickLabelsVisible(boolean flag) {

        if (flag != this.tickLabelsVisible) {
            this.tickLabelsVisible = flag;
            fireChangeEvent();
        }

    }

    /**
     * Returns the flag that indicates whether or not the minor tick marks are
     * showing.
     *
     * @return The flag that indicates whether or not the minor tick marks are
     *         showing.
     *
     * @see #setMinorTickMarksVisible(boolean)
     *
     * @since 1.0.12
     */
    public boolean isMinorTickMarksVisible() {
        return this.minorTickMarksVisible;
    }

    /**
     * Sets the flag that indicates whether or not the minor tick marks are showing
     * and sends an {@link AxisChangeEvent} to all registered listeners.
     *
     * @param flag  the flag.
     *
     * @see #isMinorTickMarksVisible()
     *
     * @since 1.0.12
     */
    public void setMinorTickMarksVisible(boolean flag) {
        if (flag != this.minorTickMarksVisible) {
            this.minorTickMarksVisible = flag;
            fireChangeEvent();
        }
    }

    /**
     * Returns the font used for the tick labels (if showing).
     *
     * @return The font (never <code>null</code>).
     *
     * @see #setTickLabelFont(Font)
     */
    public Font getTickLabelFont() {
        return this.tickLabelFont;
    }

    /**
     * Sets the font for the tick labels and sends an {@link AxisChangeEvent}
     * to all registered listeners.
     *
     * @param font  the font (<code>null</code> not allowed).
     *
     * @see #getTickLabelFont()
     */
    public void setTickLabelFont(Font font) {

        if (font == null) {
            throw new IllegalArgumentException("Null 'font' argument.");
        }

        if (!this.tickLabelFont.equals(font)) {
            this.tickLabelFont = font;
            fireChangeEvent();
        }

    }

    /**
     * Returns the color/shade used for the tick labels.
     *
     * @return The paint used for the tick labels.
     *
     * @see #setTickLabelPaint(Paint)
     */
    public Paint getTickLabelPaint() {
        return this.tickLabelPaint;
    }

    /**
     * Sets the paint used to draw tick labels (if they are showing) and
     * sends an {@link AxisChangeEvent} to all registered listeners.
     *
     * @param paint  the paint (<code>null</code> not permitted).
     *
     * @see #getTickLabelPaint()
     */
    public void setTickLabelPaint(Paint paint) {
        if (paint == null) {