xylineandshaperenderer.html

jfreechart1。0。2的api。

<FONT color="green">594</FONT>        public boolean getDrawOutlines() {<a name="line.594"></a>
<FONT color="green">595</FONT>            return this.drawOutlines;<a name="line.595"></a>
<FONT color="green">596</FONT>        }<a name="line.596"></a>
<FONT color="green">597</FONT>        <a name="line.597"></a>
<FONT color="green">598</FONT>        /**<a name="line.598"></a>
<FONT color="green">599</FONT>         * Sets the flag that controls whether outlines are drawn for <a name="line.599"></a>
<FONT color="green">600</FONT>         * shapes, and sends a {@link RendererChangeEvent} to all registered <a name="line.600"></a>
<FONT color="green">601</FONT>         * listeners. <a name="line.601"></a>
<FONT color="green">602</FONT>         * &lt;P&gt;<a name="line.602"></a>
<FONT color="green">603</FONT>         * In some cases, shapes look better if they do NOT have an outline, but <a name="line.603"></a>
<FONT color="green">604</FONT>         * this flag allows you to set your own preference.<a name="line.604"></a>
<FONT color="green">605</FONT>         * <a name="line.605"></a>
<FONT color="green">606</FONT>         * @param flag  the flag.<a name="line.606"></a>
<FONT color="green">607</FONT>         */<a name="line.607"></a>
<FONT color="green">608</FONT>        public void setDrawOutlines(boolean flag) {<a name="line.608"></a>
<FONT color="green">609</FONT>            this.drawOutlines = flag;<a name="line.609"></a>
<FONT color="green">610</FONT>            notifyListeners(new RendererChangeEvent(this));<a name="line.610"></a>
<FONT color="green">611</FONT>        }<a name="line.611"></a>
<FONT color="green">612</FONT>        <a name="line.612"></a>
<FONT color="green">613</FONT>        /**<a name="line.613"></a>
<FONT color="green">614</FONT>         * Returns &lt;code&gt;true&lt;/code&gt; if the renderer should use the fill paint <a name="line.614"></a>
<FONT color="green">615</FONT>         * setting to fill shapes, and &lt;code&gt;false&lt;/code&gt; if it should just<a name="line.615"></a>
<FONT color="green">616</FONT>         * use the regular paint.<a name="line.616"></a>
<FONT color="green">617</FONT>         * <a name="line.617"></a>
<FONT color="green">618</FONT>         * @return A boolean.<a name="line.618"></a>
<FONT color="green">619</FONT>         */<a name="line.619"></a>
<FONT color="green">620</FONT>        public boolean getUseFillPaint() {<a name="line.620"></a>
<FONT color="green">621</FONT>            return this.useFillPaint;<a name="line.621"></a>
<FONT color="green">622</FONT>        }<a name="line.622"></a>
<FONT color="green">623</FONT>        <a name="line.623"></a>
<FONT color="green">624</FONT>        /**<a name="line.624"></a>
<FONT color="green">625</FONT>         * Sets the flag that controls whether the fill paint is used to fill <a name="line.625"></a>
<FONT color="green">626</FONT>         * shapes, and sends a {@link RendererChangeEvent} to all <a name="line.626"></a>
<FONT color="green">627</FONT>         * registered listeners.<a name="line.627"></a>
<FONT color="green">628</FONT>         * <a name="line.628"></a>
<FONT color="green">629</FONT>         * @param flag  the flag.<a name="line.629"></a>
<FONT color="green">630</FONT>         */<a name="line.630"></a>
<FONT color="green">631</FONT>        public void setUseFillPaint(boolean flag) {<a name="line.631"></a>
<FONT color="green">632</FONT>            this.useFillPaint = flag;<a name="line.632"></a>
<FONT color="green">633</FONT>            notifyListeners(new RendererChangeEvent(this));<a name="line.633"></a>
<FONT color="green">634</FONT>        }<a name="line.634"></a>
<FONT color="green">635</FONT>        <a name="line.635"></a>
<FONT color="green">636</FONT>        /**<a name="line.636"></a>
<FONT color="green">637</FONT>         * Returns &lt;code&gt;true&lt;/code&gt; if the renderer should use the outline paint <a name="line.637"></a>
<FONT color="green">638</FONT>         * setting to draw shape outlines, and &lt;code&gt;false&lt;/code&gt; if it should just<a name="line.638"></a>
<FONT color="green">639</FONT>         * use the regular paint.<a name="line.639"></a>
<FONT color="green">640</FONT>         * <a name="line.640"></a>
<FONT color="green">641</FONT>         * @return A boolean.<a name="line.641"></a>
<FONT color="green">642</FONT>         */<a name="line.642"></a>
<FONT color="green">643</FONT>        public boolean getUseOutlinePaint() {<a name="line.643"></a>
<FONT color="green">644</FONT>            return this.useOutlinePaint;<a name="line.644"></a>
<FONT color="green">645</FONT>        }<a name="line.645"></a>
<FONT color="green">646</FONT>        <a name="line.646"></a>
<FONT color="green">647</FONT>        /**<a name="line.647"></a>
<FONT color="green">648</FONT>         * Sets the flag that controls whether the outline paint is used to draw <a name="line.648"></a>
<FONT color="green">649</FONT>         * shape outlines, and sends a {@link RendererChangeEvent} to all <a name="line.649"></a>
<FONT color="green">650</FONT>         * registered listeners.<a name="line.650"></a>
<FONT color="green">651</FONT>         * <a name="line.651"></a>
<FONT color="green">652</FONT>         * @param flag  the flag.<a name="line.652"></a>
<FONT color="green">653</FONT>         */<a name="line.653"></a>
<FONT color="green">654</FONT>        public void setUseOutlinePaint(boolean flag) {<a name="line.654"></a>
<FONT color="green">655</FONT>            this.useOutlinePaint = flag;<a name="line.655"></a>
<FONT color="green">656</FONT>            notifyListeners(new RendererChangeEvent(this));<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>        /**<a name="line.659"></a>
<FONT color="green">660</FONT>         * Records the state for the renderer.  This is used to preserve state <a name="line.660"></a>
<FONT color="green">661</FONT>         * information between calls to the drawItem() method for a single chart <a name="line.661"></a>
<FONT color="green">662</FONT>         * drawing.<a name="line.662"></a>
<FONT color="green">663</FONT>         */<a name="line.663"></a>
<FONT color="green">664</FONT>        public static class State extends XYItemRendererState {<a name="line.664"></a>
<FONT color="green">665</FONT>            <a name="line.665"></a>
<FONT color="green">666</FONT>            /** The path for the current series. */<a name="line.666"></a>
<FONT color="green">667</FONT>            public GeneralPath seriesPath;<a name="line.667"></a>
<FONT color="green">668</FONT>            <a name="line.668"></a>
<FONT color="green">669</FONT>            /** <a name="line.669"></a>
<FONT color="green">670</FONT>             * A flag that indicates if the last (x, y) point was 'good' <a name="line.670"></a>
<FONT color="green">671</FONT>             * (non-null). <a name="line.671"></a>
<FONT color="green">672</FONT>             */<a name="line.672"></a>
<FONT color="green">673</FONT>            private boolean lastPointGood;<a name="line.673"></a>
<FONT color="green">674</FONT>            <a name="line.674"></a>
<FONT color="green">675</FONT>            /**<a name="line.675"></a>
<FONT color="green">676</FONT>             * Creates a new state instance.<a name="line.676"></a>
<FONT color="green">677</FONT>             * <a name="line.677"></a>
<FONT color="green">678</FONT>             * @param info  the plot rendering info.<a name="line.678"></a>
<FONT color="green">679</FONT>             */<a name="line.679"></a>
<FONT color="green">680</FONT>            public State(PlotRenderingInfo info) {<a name="line.680"></a>
<FONT color="green">681</FONT>                super(info);<a name="line.681"></a>
<FONT color="green">682</FONT>            }<a name="line.682"></a>
<FONT color="green">683</FONT>            <a name="line.683"></a>
<FONT color="green">684</FONT>            /**<a name="line.684"></a>
<FONT color="green">685</FONT>             * Returns a flag that indicates if the last point drawn (in the <a name="line.685"></a>
<FONT color="green">686</FONT>             * current series) was 'good' (non-null).<a name="line.686"></a>
<FONT color="green">687</FONT>             * <a name="line.687"></a>
<FONT color="green">688</FONT>             * @return A boolean.<a name="line.688"></a>
<FONT color="green">689</FONT>             */<a name="line.689"></a>
<FONT color="green">690</FONT>            public boolean isLastPointGood() {<a name="line.690"></a>
<FONT color="green">691</FONT>                return this.lastPointGood;<a name="line.691"></a>
<FONT color="green">692</FONT>            }<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>             * Sets a flag that indicates if the last point drawn (in the current <a name="line.695"></a>
<FONT color="green">696</FONT>             * series) was 'good' (non-null).<a name="line.696"></a>
<FONT color="green">697</FONT>             * <a name="line.697"></a>
<FONT color="green">698</FONT>             * @param good  the flag.<a name="line.698"></a>
<FONT color="green">699</FONT>             */<a name="line.699"></a>
<FONT color="green">700</FONT>            public void setLastPointGood(boolean good) {<a name="line.700"></a>
<FONT color="green">701</FONT>                this.lastPointGood = good;<a name="line.701"></a>
<FONT color="green">702</FONT>            }<a name="line.702"></a>
<FONT color="green">703</FONT>        }<a name="line.703"></a>
<FONT color="green">704</FONT>        <a name="line.704"></a>
<FONT color="green">705</FONT>        /**<a name="line.705"></a>
<FONT color="green">706</FONT>         * Initialises the renderer.<a name="line.706"></a>
<FONT color="green">707</FONT>         * &lt;P&gt;<a name="line.707"></a>
<FONT color="green">708</FONT>         * This method will be called before the first item is rendered, giving the<a name="line.708"></a>
<FONT color="green">709</FONT>         * renderer an opportunity to initialise any state information it wants to <a name="line.709"></a>
<FONT color="green">710</FONT>         * maintain.  The renderer can do nothing if it chooses.<a name="line.710"></a>
<FONT color="green">711</FONT>         *<a name="line.711"></a>
<FONT color="green">712</FONT>         * @param g2  the graphics device.<a name="line.712"></a>
<FONT color="green">713</FONT>         * @param dataArea  the area inside the axes.<a name="line.713"></a>
<FONT color="green">714</FONT>         * @param plot  the plot.<a name="line.714"></a>
<FONT color="green">715</FONT>         * @param data  the data.<a name="line.715"></a>
<FONT color="green">716</FONT>         * @param info  an optional info collection object to return data back to <a name="line.716"></a>
<FONT color="green">717</FONT>         *              the caller.<a name="line.717"></a>
<FONT color="green">718</FONT>         *<a name="line.718"></a>
<FONT color="green">719</FONT>         * @return The renderer state.<a name="line.719"></a>
<FONT color="green">720</FONT>         */<a name="line.720"></a>
<FONT color="green">721</FONT>        public XYItemRendererState initialise(Graphics2D g2,<a name="line.721"></a>
<FONT color="green">722</FONT>                                              Rectangle2D dataArea,<a name="line.722"></a>
<FONT color="green">723</FONT>                                              XYPlot plot,<a name="line.723"></a>
<FONT color="green">724</FONT>                                              XYDataset data,<a name="line.724"></a>
<FONT color="green">725</FONT>                                              PlotRenderingInfo info) {<a name="line.725"></a>
<FONT color="green">726</FONT>    <a name="line.726"></a>
<FONT color="green">727</FONT>            State state = new State(info);<a name="line.727"></a>
<FONT color="green">728</FONT>            state.seriesPath = new GeneralPath();<a name="line.728"></a>
<FONT color="green">729</FONT>            return state;<a name="line.729"></a>
<FONT color="green">730</FONT>    <a name="line.730"></a>
<FONT color="green">731</FONT>        }<a name="line.731"></a>
<FONT color="green">732</FONT>        <a name="line.732"></a>
<FONT color="green">733</FONT>        /**<a name="line.733"></a>
<FONT color="green">734</FONT>         * Draws the visual representation of a single data item.<a name="line.734"></a>
<FONT color="green">735</FONT>         *<a name="line.735"></a>
<FONT color="green">736</FONT>         * @param g2  the graphics device.<a name="line.736"></a>
<FONT color="green">737</FONT>         * @param state  the renderer state.<a name="line.737"></a>
<FONT color="green">738</FONT>         * @param dataArea  the area within which the