xybarrenderer.html

jfreechart1。0。2的api。

<FONT color="green">562</FONT>                    Math.min(translatedValue0, translatedValue1), <a name="line.562"></a>
<FONT color="green">563</FONT>                    Math.min(translatedStartX, translatedEndX),<a name="line.563"></a>
<FONT color="green">564</FONT>                    translatedHeight, translatedWidth);<a name="line.564"></a>
<FONT color="green">565</FONT>            }<a name="line.565"></a>
<FONT color="green">566</FONT>            else if (orientation == PlotOrientation.VERTICAL) {<a name="line.566"></a>
<FONT color="green">567</FONT>                bar = new Rectangle2D.Double(<a name="line.567"></a>
<FONT color="green">568</FONT>                    Math.min(translatedStartX, translatedEndX), <a name="line.568"></a>
<FONT color="green">569</FONT>                    Math.min(translatedValue0, translatedValue1), <a name="line.569"></a>
<FONT color="green">570</FONT>                    translatedWidth, translatedHeight);<a name="line.570"></a>
<FONT color="green">571</FONT>            }<a name="line.571"></a>
<FONT color="green">572</FONT>    <a name="line.572"></a>
<FONT color="green">573</FONT>            Paint itemPaint = getItemPaint(series, item);<a name="line.573"></a>
<FONT color="green">574</FONT>            if (getGradientPaintTransformer() <a name="line.574"></a>
<FONT color="green">575</FONT>                    != null &amp;&amp; itemPaint instanceof GradientPaint) {<a name="line.575"></a>
<FONT color="green">576</FONT>                GradientPaint gp = (GradientPaint) itemPaint;<a name="line.576"></a>
<FONT color="green">577</FONT>                itemPaint = getGradientPaintTransformer().transform(gp, bar);<a name="line.577"></a>
<FONT color="green">578</FONT>            }<a name="line.578"></a>
<FONT color="green">579</FONT>            g2.setPaint(itemPaint);<a name="line.579"></a>
<FONT color="green">580</FONT>            g2.fill(bar);<a name="line.580"></a>
<FONT color="green">581</FONT>            if (isDrawBarOutline() <a name="line.581"></a>
<FONT color="green">582</FONT>                    &amp;&amp; Math.abs(translatedEndX - translatedStartX) &gt; 3) {<a name="line.582"></a>
<FONT color="green">583</FONT>                Stroke stroke = getItemOutlineStroke(series, item);<a name="line.583"></a>
<FONT color="green">584</FONT>                Paint paint = getItemOutlinePaint(series, item);<a name="line.584"></a>
<FONT color="green">585</FONT>                if (stroke != null &amp;&amp; paint != null) {<a name="line.585"></a>
<FONT color="green">586</FONT>                    g2.setStroke(stroke);<a name="line.586"></a>
<FONT color="green">587</FONT>                    g2.setPaint(paint);<a name="line.587"></a>
<FONT color="green">588</FONT>                    g2.draw(bar);                <a name="line.588"></a>
<FONT color="green">589</FONT>                }<a name="line.589"></a>
<FONT color="green">590</FONT>            }<a name="line.590"></a>
<FONT color="green">591</FONT>            <a name="line.591"></a>
<FONT color="green">592</FONT>            if (isItemLabelVisible(series, item)) {<a name="line.592"></a>
<FONT color="green">593</FONT>                XYItemLabelGenerator generator = getItemLabelGenerator(series, <a name="line.593"></a>
<FONT color="green">594</FONT>                        item);<a name="line.594"></a>
<FONT color="green">595</FONT>                drawItemLabel(g2, dataset, series, item, plot, generator, bar, <a name="line.595"></a>
<FONT color="green">596</FONT>                        value1 &lt; 0.0);<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>            // update the crosshair point<a name="line.599"></a>
<FONT color="green">600</FONT>            double x1 = (startX + endX) / 2.0;<a name="line.600"></a>
<FONT color="green">601</FONT>            double y1 = dataset.getYValue(series, item);<a name="line.601"></a>
<FONT color="green">602</FONT>            double transX1 = domainAxis.valueToJava2D(x1, dataArea, location);<a name="line.602"></a>
<FONT color="green">603</FONT>            double transY1 = rangeAxis.valueToJava2D(y1, dataArea, <a name="line.603"></a>
<FONT color="green">604</FONT>                    plot.getRangeAxisEdge());<a name="line.604"></a>
<FONT color="green">605</FONT>            updateCrosshairValues(crosshairState, x1, y1, transX1, transY1, <a name="line.605"></a>
<FONT color="green">606</FONT>                    plot.getOrientation());<a name="line.606"></a>
<FONT color="green">607</FONT>    <a name="line.607"></a>
<FONT color="green">608</FONT>            // add an entity for the item...<a name="line.608"></a>
<FONT color="green">609</FONT>            if (info != null) {<a name="line.609"></a>
<FONT color="green">610</FONT>                EntityCollection entities = info.getOwner().getEntityCollection();<a name="line.610"></a>
<FONT color="green">611</FONT>                if (entities != null) {<a name="line.611"></a>
<FONT color="green">612</FONT>                    String tip = null;<a name="line.612"></a>
<FONT color="green">613</FONT>                    XYToolTipGenerator generator <a name="line.613"></a>
<FONT color="green">614</FONT>                        = getToolTipGenerator(series, item);<a name="line.614"></a>
<FONT color="green">615</FONT>                    if (generator != null) {<a name="line.615"></a>
<FONT color="green">616</FONT>                        tip = generator.generateToolTip(dataset, series, item);<a name="line.616"></a>
<FONT color="green">617</FONT>                    }<a name="line.617"></a>
<FONT color="green">618</FONT>                    String url = null;<a name="line.618"></a>
<FONT color="green">619</FONT>                    if (getURLGenerator() != null) {<a name="line.619"></a>
<FONT color="green">620</FONT>                        url = getURLGenerator().generateURL(dataset, series, item);<a name="line.620"></a>
<FONT color="green">621</FONT>                    }<a name="line.621"></a>
<FONT color="green">622</FONT>                    XYItemEntity entity = new XYItemEntity(bar, dataset, series, <a name="line.622"></a>
<FONT color="green">623</FONT>                            item, tip, url);<a name="line.623"></a>
<FONT color="green">624</FONT>                    entities.add(entity);<a name="line.624"></a>
<FONT color="green">625</FONT>                }<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>        /**<a name="line.630"></a>
<FONT color="green">631</FONT>         * Draws an item label.  This method is overridden so that the bar can be <a name="line.631"></a>
<FONT color="green">632</FONT>         * used to calculate the label anchor point.<a name="line.632"></a>
<FONT color="green">633</FONT>         * <a name="line.633"></a>
<FONT color="green">634</FONT>         * @param g2  the graphics device.<a name="line.634"></a>
<FONT color="green">635</FONT>         * @param dataset  the dataset.<a name="line.635"></a>
<FONT color="green">636</FONT>         * @param series  the series index.<a name="line.636"></a>
<FONT color="green">637</FONT>         * @param item  the item index.<a name="line.637"></a>
<FONT color="green">638</FONT>         * @param plot  the plot.<a name="line.638"></a>
<FONT color="green">639</FONT>         * @param generator  the label generator.<a name="line.639"></a>
<FONT color="green">640</FONT>         * @param bar  the bar.<a name="line.640"></a>
<FONT color="green">641</FONT>         * @param negative  a flag indicating a negative value.<a name="line.641"></a>
<FONT color="green">642</FONT>         */<a name="line.642"></a>
<FONT color="green">643</FONT>        protected void drawItemLabel(Graphics2D g2, XYDataset dataset,<a name="line.643"></a>
<FONT color="green">644</FONT>                int series, int item, XYPlot plot, XYItemLabelGenerator generator, <a name="line.644"></a>
<FONT color="green">645</FONT>                Rectangle2D bar, boolean negative) {<a name="line.645"></a>
<FONT color="green">646</FONT>                                         <a name="line.646"></a>
<FONT color="green">647</FONT>            String label = generator.generateLabel(dataset, series, item);<a name="line.647"></a>
<FONT color="green">648</FONT>            if (label == null) {<a name="line.648"></a>
<FONT color="green">649</FONT>                return;  // nothing to do   <a name="line.649"></a>
<FONT color="green">650</FONT>            }<a name="line.650"></a>
<FONT color="green">651</FONT>            <a name="line.651"></a>
<FONT color="green">652</FONT>            Font labelFont = getItemLabelFont(series, item);<a name="line.652"></a>
<FONT color="green">653</FONT>            g2.setFont(labelFont);<a name="line.653"></a>
<FONT color="green">654</FONT>            Paint paint = getItemLabelPaint(series, item);<a name="line.654"></a>
<FONT color="green">655</FONT>            g2.setPaint(paint);<a name="line.655"></a>
<FONT color="green">656</FONT>    <a name="line.656"></a>
<FONT color="green">657</FONT>            // find out where to place the label...<a name="line.657"></a>
<FONT color="green">658</FONT>            ItemLabelPosition position = null;<a name="line.658"></a>
<FONT color="green">659</FONT>            if (!negative) {<a name="line.659"></a>
<FONT color="green">660</FONT>                position = getPositiveItemLabelPosition(series, item);<a name="line.660"></a>
<FONT color="green">661</FONT>            }<a name="line.661"></a>
<FONT color="green">662</FONT>            else {<a name="line.662"></a>
<FONT color="green">663</FONT>                position = getNegativeItemLabelPosition(series, item);<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>            // work out the label anchor point...<a name="line.666"></a>
<FONT color="green">667</FONT>            Point2D anchorPoint = calculateLabelAnchorPoint(<a name="line.667"></a>
<FONT color="green">668</FONT>                    position.getItemLabelAnchor(), bar, plot.getOrientation());<a name="line.668"></a>
<FONT color="green">669</FONT>            <a name="line.669"></a>
<FONT color="green">670</FONT>            if (isInternalAnchor(position.getItemLabelAnchor())) {<a name="line.670"></a>
<FONT color="green">671</FONT>                Shape bounds = TextUtilities.calculateRotatedStringBounds(label, <a name="line.671"></a>
<FONT color="green">672</FONT>                        g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(),<a name="line.672"></a>
<FONT color="green">673</FONT>                        position.getTextAnchor(), position.getAngle(),<a name="line.673"></a>
<FONT color="green">674</FONT>                        position.getRotationAnchor());<a name="line.674"></a>
<FONT color="green">675</FONT>                <a name="line.675"></a>
<FONT color="green">676</FONT>                if (bounds != null) {<a name="line.676"></a>
<FONT color="green">677</FONT>                    if (!bar.contains(bounds.getBounds2D())) {<a name="line.677"></a>
<FONT color="green">678</FONT>                        if (!negative) {<a name="line.678"></a>
<FONT color="green">679</FONT>                            position = getPositiveItemLabelPositionFallback();<a name="line.679"></a>
<FONT color="green">680</FONT>                        }<a name="line.680"></a>
<FONT color="green">681</FONT>                        else {<a name="line.681"></a>
<FONT color="green">682</FONT>                            position = getNegativeItemLabelPositionFallback();<a name="line.682"></a>
<FONT color="green">683</FONT>                        }<a name="line.683"></a>
<FONT color="green">684</FONT>                        if (position != null) {<a name="line.684"></a>
<FONT color="green">685</FONT>                            anchorPoint = calculateLabelAnchorPoint(<a name="line.685"></a>
<FONT color="green">686</FONT>                                    position.getItemLabelAnchor(), bar, <a name="line.686"></a>
<FONT color="green">687</FONT>                                    plot.getOrientation());<a name="line.687"></a>
<FONT color="green">688</FONT>                        }<a name="line.688"></a>
<FONT color="green">689</FONT>                    }<a name="line.689"></a>
<FONT color="green">690</FONT>                }<a name="line.690"></a>
<FONT color="green">691</FONT>            <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>            if (position != null) {<a name="line.694"></a>
<FONT color="green">695</FONT>                TextUtilities.drawRotatedString(label, g2, <a name="line.695"></a>
<FONT color="green">696</FONT>                        (float) anchorPoint.getX(), (float) anchorPoint.getY(),<a name="line.696"></a>
<FONT color="green">697</FONT>                        position.getTextAnchor(), position.getAngle(), <a name="line.697"></a>
<FONT color="green">698</FONT>                        position.getRotationAnchor());<a name="line.698"></a>
<FONT color="green">699</FONT>            }        <a name="line.699"></a>
<FONT color="