plot.html

jfreechart1。0。2的api。

<FONT color="green">578</FONT>    <a name="line.578"></a>
<FONT color="green">579</FONT>        /**<a name="line.579"></a>
<FONT color="green">580</FONT>         * Sets the alignment for the background image and sends a <a name="line.580"></a>
<FONT color="green">581</FONT>         * {@link PlotChangeEvent} to all registered listeners.  Alignment options <a name="line.581"></a>
<FONT color="green">582</FONT>         * are defined by the {@link org.jfree.ui.Align} class in the JCommon <a name="line.582"></a>
<FONT color="green">583</FONT>         * class library.<a name="line.583"></a>
<FONT color="green">584</FONT>         *<a name="line.584"></a>
<FONT color="green">585</FONT>         * @param alignment  the alignment.<a name="line.585"></a>
<FONT color="green">586</FONT>         */<a name="line.586"></a>
<FONT color="green">587</FONT>        public void setBackgroundImageAlignment(int alignment) {<a name="line.587"></a>
<FONT color="green">588</FONT>            if (this.backgroundImageAlignment != alignment) {<a name="line.588"></a>
<FONT color="green">589</FONT>                this.backgroundImageAlignment = alignment;<a name="line.589"></a>
<FONT color="green">590</FONT>                notifyListeners(new PlotChangeEvent(this));<a name="line.590"></a>
<FONT color="green">591</FONT>            }<a name="line.591"></a>
<FONT color="green">592</FONT>        }<a name="line.592"></a>
<FONT color="green">593</FONT>    <a name="line.593"></a>
<FONT color="green">594</FONT>        /**<a name="line.594"></a>
<FONT color="green">595</FONT>         * Returns the alpha transparency used to draw the background image.  This<a name="line.595"></a>
<FONT color="green">596</FONT>         * is a value in the range 0.0f to 1.0f, where 0.0f is fully transparent<a name="line.596"></a>
<FONT color="green">597</FONT>         * and 1.0f is fully opaque.<a name="line.597"></a>
<FONT color="green">598</FONT>         * <a name="line.598"></a>
<FONT color="green">599</FONT>         * @return The alpha transparency.<a name="line.599"></a>
<FONT color="green">600</FONT>         * <a name="line.600"></a>
<FONT color="green">601</FONT>         * @see #setBackgroundImageAlpha(float)<a name="line.601"></a>
<FONT color="green">602</FONT>         */<a name="line.602"></a>
<FONT color="green">603</FONT>        public float getBackgroundImageAlpha() {<a name="line.603"></a>
<FONT color="green">604</FONT>            return this.backgroundImageAlpha;<a name="line.604"></a>
<FONT color="green">605</FONT>        }<a name="line.605"></a>
<FONT color="green">606</FONT>        <a name="line.606"></a>
<FONT color="green">607</FONT>        /**<a name="line.607"></a>
<FONT color="green">608</FONT>         * Sets the alpha transparency used when drawing the background image.<a name="line.608"></a>
<FONT color="green">609</FONT>         * <a name="line.609"></a>
<FONT color="green">610</FONT>         * @param alpha  the alpha transparency (in the range 0.0f to 1.0f, where<a name="line.610"></a>
<FONT color="green">611</FONT>         *     0.0f is fully transparent, and 1.0f is fully opaque).<a name="line.611"></a>
<FONT color="green">612</FONT>         *     <a name="line.612"></a>
<FONT color="green">613</FONT>         * @throws IllegalArgumentException if &lt;code&gt;alpha&lt;/code&gt; is not within<a name="line.613"></a>
<FONT color="green">614</FONT>         *     the specified range.<a name="line.614"></a>
<FONT color="green">615</FONT>         *     <a name="line.615"></a>
<FONT color="green">616</FONT>         * @see #getBackgroundImageAlpha()<a name="line.616"></a>
<FONT color="green">617</FONT>         */<a name="line.617"></a>
<FONT color="green">618</FONT>        public void setBackgroundImageAlpha(float alpha)<a name="line.618"></a>
<FONT color="green">619</FONT>        {<a name="line.619"></a>
<FONT color="green">620</FONT>            if (alpha &lt; 0.0f || alpha &gt; 1.0f)<a name="line.620"></a>
<FONT color="green">621</FONT>                throw new IllegalArgumentException(<a name="line.621"></a>
<FONT color="green">622</FONT>                        "The 'alpha' value must be in the range 0.0f to 1.0f.");<a name="line.622"></a>
<FONT color="green">623</FONT>            if (this.backgroundImageAlpha != alpha) {<a name="line.623"></a>
<FONT color="green">624</FONT>                this.backgroundImageAlpha = alpha;<a name="line.624"></a>
<FONT color="green">625</FONT>                this.notifyListeners(new PlotChangeEvent(this));<a name="line.625"></a>
<FONT color="green">626</FONT>            }<a name="line.626"></a>
<FONT color="green">627</FONT>        }<a name="line.627"></a>
<FONT color="green">628</FONT>        <a name="line.628"></a>
<FONT color="green">629</FONT>        /**<a name="line.629"></a>
<FONT color="green">630</FONT>         * Returns the stroke used to outline the plot area.<a name="line.630"></a>
<FONT color="green">631</FONT>         *<a name="line.631"></a>
<FONT color="green">632</FONT>         * @return The stroke (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.632"></a>
<FONT color="green">633</FONT>         */<a name="line.633"></a>
<FONT color="green">634</FONT>        public Stroke getOutlineStroke() {<a name="line.634"></a>
<FONT color="green">635</FONT>            return this.outlineStroke;<a name="line.635"></a>
<FONT color="green">636</FONT>        }<a name="line.636"></a>
<FONT color="green">637</FONT>    <a name="line.637"></a>
<FONT color="green">638</FONT>        /**<a name="line.638"></a>
<FONT color="green">639</FONT>         * Sets the stroke used to outline the plot area and sends a <a name="line.639"></a>
<FONT color="green">640</FONT>         * {@link PlotChangeEvent} to all registered listeners. If you set this <a name="line.640"></a>
<FONT color="green">641</FONT>         * attribute to &lt;code&gt;null&lt;.code&gt;, no outline will be drawn.<a name="line.641"></a>
<FONT color="green">642</FONT>         *<a name="line.642"></a>
<FONT color="green">643</FONT>         * @param stroke  the stroke (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.643"></a>
<FONT color="green">644</FONT>         */<a name="line.644"></a>
<FONT color="green">645</FONT>        public void setOutlineStroke(Stroke stroke) {<a name="line.645"></a>
<FONT color="green">646</FONT>    <a name="line.646"></a>
<FONT color="green">647</FONT>            if (stroke == null) {<a name="line.647"></a>
<FONT color="green">648</FONT>                if (this.outlineStroke != null) {<a name="line.648"></a>
<FONT color="green">649</FONT>                    this.outlineStroke = null;<a name="line.649"></a>
<FONT color="green">650</FONT>                    notifyListeners(new PlotChangeEvent(this));<a name="line.650"></a>
<FONT color="green">651</FONT>                }<a name="line.651"></a>
<FONT color="green">652</FONT>            }<a name="line.652"></a>
<FONT color="green">653</FONT>            else {<a name="line.653"></a>
<FONT color="green">654</FONT>                if (this.outlineStroke != null) {<a name="line.654"></a>
<FONT color="green">655</FONT>                    if (this.outlineStroke.equals(stroke)) {<a name="line.655"></a>
<FONT color="green">656</FONT>                        return;  // nothing to do<a name="line.656"></a>
<FONT color="green">657</FONT>                    }<a name="line.657"></a>
<FONT color="green">658</FONT>                }<a name="line.658"></a>
<FONT color="green">659</FONT>                this.outlineStroke = stroke;<a name="line.659"></a>
<FONT color="green">660</FONT>                notifyListeners(new PlotChangeEvent(this));<a name="line.660"></a>
<FONT color="green">661</FONT>            }<a name="line.661"></a>
<FONT color="green">662</FONT>    <a name="line.662"></a>
<FONT color="green">663</FONT>        }<a name="line.663"></a>
<FONT color="green">664</FONT>    <a name="line.664"></a>
<FONT color="green">665</FONT>        /**<a name="line.665"></a>
<FONT color="green">666</FONT>         * Returns the color used to draw the outline of the plot area.<a name="line.666"></a>
<FONT color="green">667</FONT>         *<a name="line.667"></a>
<FONT color="green">668</FONT>         * @return The color (possibly &lt;code&gt;null&lt;code&gt;).<a name="line.668"></a>
<FONT color="green">669</FONT>         */<a name="line.669"></a>
<FONT color="green">670</FONT>        public Paint getOutlinePaint() {<a name="line.670"></a>
<FONT color="green">671</FONT>            return this.outlinePaint;<a name="line.671"></a>
<FONT color="green">672</FONT>        }<a name="line.672"></a>
<FONT color="green">673</FONT>    <a name="line.673"></a>
<FONT color="green">674</FONT>        /**<a name="line.674"></a>
<FONT color="green">675</FONT>         * Sets the paint used to draw the outline of the plot area and sends a <a name="line.675"></a>
<FONT color="green">676</FONT>         * {@link PlotChangeEvent} to all registered listeners.  If you set this <a name="line.676"></a>
<FONT color="green">677</FONT>         * attribute to &lt;code&gt;null&lt;/code&gt;, no outline will be drawn.<a name="line.677"></a>
<FONT color="green">678</FONT>         *<a name="line.678"></a>
<FONT color="green">679</FONT>         * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.679"></a>
<FONT color="green">680</FONT>         */<a name="line.680"></a>
<FONT color="green">681</FONT>        public void setOutlinePaint(Paint paint) {<a name="line.681"></a>
<FONT color="green">682</FONT>    <a name="line.682"></a>
<FONT color="green">683</FONT>            if (paint == null) {<a name="line.683"></a>
<FONT color="green">684</FONT>                if (this.outlinePaint != null) {<a name="line.684"></a>
<FONT color="green">685</FONT>                    this.outlinePaint = null;<a name="line.685"></a>
<FONT color="green">686</FONT>                    notifyListeners(new PlotChangeEvent(this));<a name="line.686"></a>
<FONT color="green">687</FONT>                }<a name="line.687"></a>
<FONT color="green">688</FONT>            }<a name="line.688"></a>
<FONT color="green">689</FONT>            else {<a name="line.689"></a>
<FONT color="green">690</FONT>                if (this.outlinePaint != null) {<a name="line.690"></a>
<FONT color="green">691</FONT>                    if (this.outlinePaint.equals(paint)) {<a name="line.691"></a>
<FONT color="green">692</FONT>                        return;  // nothing to do<a name="line.692"></a>
<FONT color="green">693</FONT>                    }<a name="line.693"></a>
<FONT color="green">694</FONT>                }<a name="line.694"></a>
<FONT color="green">695</FONT>                this.outlinePaint = paint;<a name="line.695"></a>
<FONT color="green">696</FONT>                notifyListeners(new PlotChangeEvent(this));<a name="line.696"></a>
<FONT color="green">697</FONT>            }<a name="line.697"></a>
<FONT color="green">698</FONT>    <a name="line.698"></a>
<FONT color="green">699</FONT>        }<a name="line.699"></a>
<FONT color="green">700</FONT>    <a name="line.700"></a>
<FONT color="green">701</FONT>        /**<a name="line.701"></a>
<FONT color="green">702</FONT>         * Returns the alpha-transparency for the plot foreground.<a name="line.702"></a>
<FONT color="green">703</FONT>         *<a name="line.703"></a>
<FONT color="green">704</FONT>         * @return The alpha-transparency.<a name="line.704"></a>
<FONT color="green">705</FONT>         */<a name="line.705"></a>
<FONT color="green">706</FONT>        public float getForegroundAlpha() {<a name="line.706"></a>
<FONT color="green">707</FONT>            return this.foregroundAlpha;<a name="line.707"></a>
<FONT color="green">708</FONT>        }<a name="line.708"></a>
<FONT color="green">709</FONT>    <a name="line.709"></a>
<FONT color="green">710</FONT>        /**<a name="line.710"></a>
<FONT color="green">711</FONT>         * Sets the alpha-transparency for the plot.<a name="line.711"></a>
<FONT color="green">712</FONT>         *<a name="line.712"></a>
<FONT color="green">713</FONT>         * @param alpha  the new alpha transparency.<a name="line.713"></a>
<FONT color="green">714</FONT>         */<a name="line.714"></a>
<FONT color="green">715</FONT>        public void setForegroundAlpha(float alpha) {<a name="line.715"></a>
<FONT color="green">716</FONT>    <a name="line.716"></a>
<FONT color="green">717</FONT>            if (this.foregroundAlpha != alpha) {<a name="line.717"></a>
<FONT color="green">718</FONT>                this.foregroundAlpha = alpha;<a name="line.718"></a>
<FONT color="green">719</FONT>                notifyListeners(new PlotChangeEvent(this));<a name="line.719"><