legendgraphic.html

jfreechart1。0。2的api。

<FONT color="green">354</FONT>        <a name="line.354"></a>
<FONT color="green">355</FONT>        /**<a name="line.355"></a>
<FONT color="green">356</FONT>         * Sets the line.  A Shape is used here, because then you can use Line2D, <a name="line.356"></a>
<FONT color="green">357</FONT>         * GeneralPath or any other Shape to represent the line.<a name="line.357"></a>
<FONT color="green">358</FONT>         * <a name="line.358"></a>
<FONT color="green">359</FONT>         * @param line  the line.<a name="line.359"></a>
<FONT color="green">360</FONT>         */<a name="line.360"></a>
<FONT color="green">361</FONT>        public void setLine(Shape line) {<a name="line.361"></a>
<FONT color="green">362</FONT>            this.line = line;<a name="line.362"></a>
<FONT color="green">363</FONT>        }<a name="line.363"></a>
<FONT color="green">364</FONT>        <a name="line.364"></a>
<FONT color="green">365</FONT>        /**<a name="line.365"></a>
<FONT color="green">366</FONT>         * Returns the line paint.<a name="line.366"></a>
<FONT color="green">367</FONT>         * <a name="line.367"></a>
<FONT color="green">368</FONT>         * @return The paint.<a name="line.368"></a>
<FONT color="green">369</FONT>         */<a name="line.369"></a>
<FONT color="green">370</FONT>        public Paint getLinePaint() {<a name="line.370"></a>
<FONT color="green">371</FONT>            return this.linePaint;<a name="line.371"></a>
<FONT color="green">372</FONT>        }<a name="line.372"></a>
<FONT color="green">373</FONT>        <a name="line.373"></a>
<FONT color="green">374</FONT>        /**<a name="line.374"></a>
<FONT color="green">375</FONT>         * Sets the line paint.<a name="line.375"></a>
<FONT color="green">376</FONT>         * <a name="line.376"></a>
<FONT color="green">377</FONT>         * @param paint  the paint.<a name="line.377"></a>
<FONT color="green">378</FONT>         */<a name="line.378"></a>
<FONT color="green">379</FONT>        public void setLinePaint(Paint paint) {<a name="line.379"></a>
<FONT color="green">380</FONT>            this.linePaint = paint;<a name="line.380"></a>
<FONT color="green">381</FONT>        }<a name="line.381"></a>
<FONT color="green">382</FONT>        <a name="line.382"></a>
<FONT color="green">383</FONT>        /**<a name="line.383"></a>
<FONT color="green">384</FONT>         * Returns the line stroke.<a name="line.384"></a>
<FONT color="green">385</FONT>         * <a name="line.385"></a>
<FONT color="green">386</FONT>         * @return The stroke.<a name="line.386"></a>
<FONT color="green">387</FONT>         */<a name="line.387"></a>
<FONT color="green">388</FONT>        public Stroke getLineStroke() {<a name="line.388"></a>
<FONT color="green">389</FONT>            return this.lineStroke;<a name="line.389"></a>
<FONT color="green">390</FONT>        }<a name="line.390"></a>
<FONT color="green">391</FONT>        <a name="line.391"></a>
<FONT color="green">392</FONT>        /**<a name="line.392"></a>
<FONT color="green">393</FONT>         * Sets the line stroke.<a name="line.393"></a>
<FONT color="green">394</FONT>         * <a name="line.394"></a>
<FONT color="green">395</FONT>         * @param stroke  the stroke.<a name="line.395"></a>
<FONT color="green">396</FONT>         */<a name="line.396"></a>
<FONT color="green">397</FONT>        public void setLineStroke(Stroke stroke) {<a name="line.397"></a>
<FONT color="green">398</FONT>            this.lineStroke = stroke;<a name="line.398"></a>
<FONT color="green">399</FONT>        }<a name="line.399"></a>
<FONT color="green">400</FONT>        <a name="line.400"></a>
<FONT color="green">401</FONT>        /**<a name="line.401"></a>
<FONT color="green">402</FONT>         * Arranges the contents of the block, within the given constraints, and <a name="line.402"></a>
<FONT color="green">403</FONT>         * returns the block size.<a name="line.403"></a>
<FONT color="green">404</FONT>         * <a name="line.404"></a>
<FONT color="green">405</FONT>         * @param g2  the graphics device.<a name="line.405"></a>
<FONT color="green">406</FONT>         * @param constraint  the constraint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.406"></a>
<FONT color="green">407</FONT>         * <a name="line.407"></a>
<FONT color="green">408</FONT>         * @return The block size (in Java2D units, never &lt;code&gt;null&lt;/code&gt;).<a name="line.408"></a>
<FONT color="green">409</FONT>         */<a name="line.409"></a>
<FONT color="green">410</FONT>        public Size2D arrange(Graphics2D g2, RectangleConstraint constraint) {<a name="line.410"></a>
<FONT color="green">411</FONT>            RectangleConstraint contentConstraint = toContentConstraint(constraint);<a name="line.411"></a>
<FONT color="green">412</FONT>            LengthConstraintType w = contentConstraint.getWidthConstraintType();<a name="line.412"></a>
<FONT color="green">413</FONT>            LengthConstraintType h = contentConstraint.getHeightConstraintType();<a name="line.413"></a>
<FONT color="green">414</FONT>            Size2D contentSize = null;<a name="line.414"></a>
<FONT color="green">415</FONT>            if (w == LengthConstraintType.NONE) {<a name="line.415"></a>
<FONT color="green">416</FONT>                if (h == LengthConstraintType.NONE) {<a name="line.416"></a>
<FONT color="green">417</FONT>                    contentSize = arrangeNN(g2);<a name="line.417"></a>
<FONT color="green">418</FONT>                }<a name="line.418"></a>
<FONT color="green">419</FONT>                else if (h == LengthConstraintType.RANGE) {<a name="line.419"></a>
<FONT color="green">420</FONT>                    throw new RuntimeException("Not yet implemented.");<a name="line.420"></a>
<FONT color="green">421</FONT>                }<a name="line.421"></a>
<FONT color="green">422</FONT>                else if (h == LengthConstraintType.FIXED) {<a name="line.422"></a>
<FONT color="green">423</FONT>                    throw new RuntimeException("Not yet implemented.");<a name="line.423"></a>
<FONT color="green">424</FONT>                }<a name="line.424"></a>
<FONT color="green">425</FONT>            }<a name="line.425"></a>
<FONT color="green">426</FONT>            else if (w == LengthConstraintType.RANGE) {<a name="line.426"></a>
<FONT color="green">427</FONT>                if (h == LengthConstraintType.NONE) {<a name="line.427"></a>
<FONT color="green">428</FONT>                    throw new RuntimeException("Not yet implemented.");<a name="line.428"></a>
<FONT color="green">429</FONT>                }<a name="line.429"></a>
<FONT color="green">430</FONT>                else if (h == LengthConstraintType.RANGE) {<a name="line.430"></a>
<FONT color="green">431</FONT>                    throw new RuntimeException("Not yet implemented.");<a name="line.431"></a>
<FONT color="green">432</FONT>                }<a name="line.432"></a>
<FONT color="green">433</FONT>                else if (h == LengthConstraintType.FIXED) {<a name="line.433"></a>
<FONT color="green">434</FONT>                    throw new RuntimeException("Not yet implemented.");<a name="line.434"></a>
<FONT color="green">435</FONT>                }<a name="line.435"></a>
<FONT color="green">436</FONT>            }<a name="line.436"></a>
<FONT color="green">437</FONT>            else if (w == LengthConstraintType.FIXED) {<a name="line.437"></a>
<FONT color="green">438</FONT>                if (h == LengthConstraintType.NONE) {<a name="line.438"></a>
<FONT color="green">439</FONT>                    throw new RuntimeException("Not yet implemented.");<a name="line.439"></a>
<FONT color="green">440</FONT>                }<a name="line.440"></a>
<FONT color="green">441</FONT>                else if (h == LengthConstraintType.RANGE) {<a name="line.441"></a>
<FONT color="green">442</FONT>                    throw new RuntimeException("Not yet implemented.");<a name="line.442"></a>
<FONT color="green">443</FONT>                }<a name="line.443"></a>
<FONT color="green">444</FONT>                else if (h == LengthConstraintType.FIXED) {   <a name="line.444"></a>
<FONT color="green">445</FONT>                    contentSize = new Size2D(<a name="line.445"></a>
<FONT color="green">446</FONT>                        contentConstraint.getWidth(),<a name="line.446"></a>
<FONT color="green">447</FONT>                        contentConstraint.getHeight()<a name="line.447"></a>
<FONT color="green">448</FONT>                    );<a name="line.448"></a>
<FONT color="green">449</FONT>                }            <a name="line.449"></a>
<FONT color="green">450</FONT>            }<a name="line.450"></a>
<FONT color="green">451</FONT>            return new Size2D(<a name="line.451"></a>
<FONT color="green">452</FONT>                calculateTotalWidth(contentSize.getWidth()), <a name="line.452"></a>
<FONT color="green">453</FONT>                calculateTotalHeight(contentSize.getHeight())<a name="line.453"></a>
<FONT color="green">454</FONT>            );<a name="line.454"></a>
<FONT color="green">455</FONT>        }<a name="line.455"></a>
<FONT color="green">456</FONT>        <a name="line.456"></a>
<FONT color="green">457</FONT>        /**<a name="line.457"></a>
<FONT color="green">458</FONT>         * Performs the layout with no constraint, so the content size is <a name="line.458"></a>
<FONT color="green">459</FONT>         * determined by the bounds of the shape and/or line drawn to represent <a name="line.459"></a>
<FONT color="green">460</FONT>         * the series.<a name="line.460"></a>
<FONT color="green">461</FONT>         * <a name="line.461"></a>
<FONT color="green">462</FONT>         * @param g2  the graphics device.<a name="line.462"></a>
<FONT color="green">463</FONT>         * <a name="line.463"></a>
<FONT color="green">464</FONT>         * @return  The content size.<a name="line.464"></a>
<FONT color="green">465</FONT>         */<a name="line.465"></a>
<FONT color="green">466</FONT>        protected Size2D arrangeNN(Graphics2D g2) {<a name="line.466"></a>
<FONT color="green">467</FONT>            Rectangle2D contentSize = new Rectangle2D.Double();<a name="line.467"></a>
<FONT color="green">468</FONT>            if (this.line != null) {<a name="line.468"></a>
<FONT color="green">469</FONT>                contentSize.setRect(this.line.getBounds2D());<a name="line.469"></a>
<FONT color="green">470</FONT>            }<a name="line.470"></a>
<FONT color="green">471</FONT>            if (this.shape != null) {<a name="line.471"></a>
<FONT color="green">472</FONT>                contentSize = contentSize.createUnion(this.shape.getBounds2D());<a name="line.472"></a>
<FONT color="green">473</FONT>            }<a name="line.473"></a>
<FONT color="green">474</FONT>            return new Size2D(contentSize.getWidth(), contentSize.getHeight());<a name="line.474"></a>
<FONT color="green">475</FONT>        }<a name="line.475"></a>
<FONT color="green">476</FONT>    <a name="line.476"></a>
<FONT color="green">477</FONT>        /**<a name="line.477"></a>
<FONT color="green">478</FONT>         * Draws the graphic item within the specified area.<a name="line.478"></a>
<FONT color="green">479</FONT>         * <a name="line.479"></a>
<FONT color="green">480</FONT>         * @param g2  the graphics device.<a name="line.480"></a>
<FONT color="green">481</FONT>         * @param area  the area.<a name="line.481"></a>
<FONT color="green">482</FONT>         */<a name="line.482"></a>
<FONT color="green">483</FONT>        public void draw(Graphics2D g2, Rectangle2D area) {<a name="line.483"></a>
<FONT color="green">484</FONT>            <a name="line.484"></a>
<FONT color="green">485</FONT>            area = trimMargin(area);<a name="line.485"></a>
<FONT color="green">486</FONT>            drawBorder(g2, area);<a name="line.486"></a>
<FONT color="green">487</FONT>            area = trimBorder(area);<a name="line.487"></a>
<FONT color="green">488</FONT>            area = trimPadding(area);<a name="line.488"></a>
<FONT color="green">489</FONT>            <a name="line.489"></a>
<FONT color="green">490</FONT>            if (this.lineVisible) {<a name="line.490"></a>
<FONT color="green">491</FONT>                Point2D location = RectangleAnchor.coordinates(<a name="line.491"></a>
<FONT color="green">492</FONT>                    area, this.shapeLocation<a name="line.492"></a>
<FONT color="green">493</FONT>                );<a name="line.493"></a>
<FONT color="green">494</FONT>                Shape aLine = ShapeUtilities.createTranslatedShape(<a name="line.494"></a>
<FONT color="green">495</FONT>                    getLine(), this.shapeAnchor, location.getX(), location.getY()<a name="line.495"></a>
<FONT color="green">496</FONT>                );<a name="line.496"></a>
<FONT color="green">497</FONT>                g2.setPaint(this.linePaint);<a name="line.497"></a>
<FONT color="green">498</FONT>                g2.setStroke(this.lineStroke);<a name="line.498"></a>
<FONT color="green">499</FONT>                g2.draw(aLine);<a name="line.499"></a>
<FONT color="green">500</FONT>            }<a name="line.500"></a>
<FONT color="green">501</FONT>            <a name="line.501"></a>
<FONT color="green">502</FONT>            if (this.shapeVisible) {<a name="line.502"></a>
<FONT color="green">503</FONT>                Point2D location = RectangleAnchor.coordinates(<a name="line.503"></a>
<FONT color="green">504</FONT>                    area, this.shapeLocation<a name="line.504"></a>
<FONT color="green">505</FONT>                );<a name="line.505"></a>
<FONT color="green">506</FONT>                <a name="line.506"></a>
<FONT color="green">507</FONT>                Shape s = ShapeUtilities.createTranslatedShape(<a name="line.507"></a>
<FONT color="green">508</FONT>                    this.shape, this.shapeAnchor, location.getX(), location.getY()<a name="line.508"></a>
<FONT color="green">509</FONT>                );<a name="line.509"></a>
<FONT color="green">510</FONT>                if (this.shapeFilled) {<a name="line.510"></a>
<FONT color="green">511</FONT>                    g2.setPaint(this.fillPaint);<a name="line.511"></a>
<FONT color="green">512</FONT>                    g2.fill(s);<a name="line.512"></a>
<FONT color="green">513</FONT>                }<a name="line.513"></a>
<FONT color="green">514</FONT>                if (this.shapeOutlineVisible) {<a name="line.514"></a>
<FONT color="green">515</FONT>                    g2.setPaint(this.outlinePaint);<a name="line.515"></a>
<FONT color="green">516</FONT>                    g2.setStroke(this.outlineStroke);<a name="line.516"></a>
<FONT color="green">517</FONT>                    g2.draw(s);<a name="line.517"></a>
<FONT color="green">518</FONT>                }<a name="line.518"></a>
<FONT color="green">519</FONT>            }<a name="line.519"></a>
<FONT color="green">520</FONT>            <a name="line.520"></a>
<FONT color="green">521</FONT>        }<a name="line.521"></a>
<FONT color="green">522</FONT>        <a name="line.522"></a>
<FONT color="green">523</FONT>        /**<a name="line.523"></a>
<FONT color="green">524</FONT>         * Draws the block within the specified area.<a name="line.524"></a>
<FONT color="green">525</FONT>         * <a name="line.525"></a>
<FONT color="green">526</FONT>         * @param g2  the graphics device.<a name="line.526"></a>
<FONT color="green">527</FONT>         * @param area  the area.<a name="line.527"></a>
<FONT color="green">528</FONT>         * @param params  ignored (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.528"></a>
<FONT color="green">529</FONT>         * <a name="line.529"></a>
<FONT color="green">530</FONT>         * @return Always &lt;code&gt;null&lt;/code&gt;.<a name="line.530"></a>
<FONT color="green">531</FONT>         */<a name="line.531"></a>