abstractrenderer.java

来自「JfreeChart 常用图表例子」· Java 代码 · 共 1,979 行 · 第 1/5 页

     *
     * @param row  the row (or series) index (zero-based).
     * @param column  the column (or category) index (zero-based).
     *
     * @return The paint (never <code>null</code>).
     */
    public Paint getItemFillPaint(int row, int column) {
        return getSeriesFillPaint(row);
    }

    /**
     * Returns the paint used to fill an item drawn by the renderer.
     *
     * @param series  the series (zero-based index).
     *
     * @return The paint (never <code>null</code>).
     */
    public Paint getSeriesFillPaint(int series) {

        // return the override, if there is one...
        if (this.fillPaint != null) {
            return this.fillPaint;
        }

        // otherwise look up the paint table
        Paint seriesFillPaint = this.fillPaintList.getPaint(series);
        if (seriesFillPaint == null) {
            seriesFillPaint = this.baseFillPaint;
        }
        return seriesFillPaint;

    }

    /**
     * Sets the paint used for a series fill and sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     *
     * @param series  the series index (zero-based).
     * @param paint  the paint (<code>null</code> permitted).
     */
    public void setSeriesFillPaint(int series, Paint paint) {
        setSeriesFillPaint(series, paint, true);
    }

    /**
     * Sets the paint used to fill a series and, if requested, 
     * sends a {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param series  the series index (zero-based).
     * @param paint  the paint (<code>null</code> permitted).
     * @param notify  notify listeners?
     */    
    public void setSeriesFillPaint(int series, Paint paint, boolean notify) {
        this.fillPaintList.setPaint(series, paint);
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }

    /**
     * Sets the fill paint for ALL series (optional).
     * 
     * @param paint  the paint (<code>null</code> permitted).
     */
    public void setFillPaint(Paint paint) {
        setFillPaint(paint, true);
    }

    /**
     * Sets the fill paint for ALL series and, if requested, sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param paint  the paint (<code>null</code> permitted).
     * @param notify  notify listeners?
     */
    public void setFillPaint(Paint paint, boolean notify) {
        this.fillPaint = paint;
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }
    
    /**
     * Returns the base fill paint.
     *
     * @return The paint (never <code>null</code>).
     */
    public Paint getBaseFillPaint() {
        return this.baseFillPaint;
    }

    /**
     * Sets the base fill paint and sends a {@link RendererChangeEvent} to 
     * all registered listeners.
     *
     * @param paint  the paint (<code>null</code> not permitted).
     */
    public void setBaseFillPaint(Paint paint) {
        // defer argument checking...
        setBaseFillPaint(paint, true);
    }
    
    /**
     * Sets the base fill paint and, if requested, sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param paint  the paint (<code>null</code> not permitted).
     * @param notify  notify listeners?
     */
    public void setBaseFillPaint(Paint paint, boolean notify) {
        if (paint == null) {
            throw new IllegalArgumentException("Null 'paint' argument.");   
        }
        this.baseFillPaint = paint;
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }

    // OUTLINE PAINT //////////////////////////////////////////////////////////
    
    /**
     * Returns the paint used to outline data items as they are drawn.
     * <p>
     * The default implementation passes control to the getSeriesOutlinePaint 
     * method.  You can override this method if you require different behaviour.
     *
     * @param row  the row (or series) index (zero-based).
     * @param column  the column (or category) index (zero-based).
     *
     * @return The paint (never <code>null</code>).
     */
    public Paint getItemOutlinePaint(int row, int column) {
        return getSeriesOutlinePaint(row);
    }

    /**
     * Returns the paint used to outline an item drawn by the renderer.
     *
     * @param series  the series (zero-based index).
     *
     * @return The paint (never <code>null</code>).
     */
    public Paint getSeriesOutlinePaint(int series) {

        // return the override, if there is one...
        if (this.outlinePaint != null) {
            return this.outlinePaint;
        }

        // otherwise look up the paint table
        Paint seriesOutlinePaint = this.outlinePaintList.getPaint(series);
        if (seriesOutlinePaint == null) {
            DrawingSupplier supplier = getDrawingSupplier();
            if (supplier != null) {
                seriesOutlinePaint = supplier.getNextOutlinePaint();
                this.outlinePaintList.setPaint(series, seriesOutlinePaint);
            }
            else {
                seriesOutlinePaint = this.baseOutlinePaint;
            }
        }
        return seriesOutlinePaint;

    }

    /**
     * Sets the paint used for a series outline and sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     *
     * @param series  the series index (zero-based).
     * @param paint  the paint (<code>null</code> permitted).
     */
    public void setSeriesOutlinePaint(int series, Paint paint) {
        setSeriesOutlinePaint(series, paint, true);
    }

    /**
     * Sets the paint used to draw the outline for a series and, if requested, 
     * sends a {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param series  the series index (zero-based).
     * @param paint  the paint (<code>null</code> permitted).
     * @param notify  notify listeners?
     */    
    public void setSeriesOutlinePaint(int series, Paint paint, boolean notify) {
        this.outlinePaintList.setPaint(series, paint);
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }

    /**
     * Sets the outline paint for ALL series (optional).
     * 
     * @param paint  the paint (<code>null</code> permitted).
     */
    public void setOutlinePaint(Paint paint) {
        setOutlinePaint(paint, true);
    }

    /**
     * Sets the outline paint for ALL series and, if requested, sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param paint  the paint (<code>null</code> permitted).
     * @param notify  notify listeners?
     */
    public void setOutlinePaint(Paint paint, boolean notify) {
        this.outlinePaint = paint;
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }
    
    /**
     * Returns the base outline paint.
     *
     * @return The paint (never <code>null</code>).
     */
    public Paint getBaseOutlinePaint() {
        return this.baseOutlinePaint;
    }

    /**
     * Sets the base outline paint and sends a {@link RendererChangeEvent} to 
     * all registered listeners.
     *
     * @param paint  the paint (<code>null</code> not permitted).
     */
    public void setBaseOutlinePaint(Paint paint) {
        // defer argument checking...
        setBaseOutlinePaint(paint, true);
    }
    
    /**
     * Sets the base outline paint and, if requested, sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param paint  the paint (<code>null</code> not permitted).
     * @param notify  notify listeners?
     */
    public void setBaseOutlinePaint(Paint paint, boolean notify) {
        if (paint == null) {
            throw new IllegalArgumentException("Null 'paint' argument.");   
        }
        this.baseOutlinePaint = paint;
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }

    // STROKE
    
    /**
     * Returns the stroke used to draw data items.
     * <p>
     * The default implementation passes control to the getSeriesStroke method.
     * You can override this method if you require different behaviour.
     *
     * @param row  the row (or series) index (zero-based).
     * @param column  the column (or category) index (zero-based).
     *
     * @return The stroke (never <code>null</code>).
     */
    public Stroke getItemStroke(int row, int column) {
        return getSeriesStroke(row);
    }

    /**
     * Returns the stroke used to draw the items in a series.
     *
     * @param series  the series (zero-based index).
     *
     * @return The stroke (never <code>null</code>).
     */
    public Stroke getSeriesStroke(int series) {

        // return the override, if there is one...
        if (this.stroke != null) {
            return this.stroke;
        }

        // otherwise look up the paint table
        Stroke result = this.strokeList.getStroke(series);
        if (result == null) {
            DrawingSupplier supplier = getDrawingSupplier();
            if (supplier != null) {
                result = supplier.getNextStroke();
                this.strokeList.setStroke(series, result);
            }
            else {
                result = this.baseStroke;
            }
        }
        return result;

    }
    
    /**
     * Sets the stroke for ALL series and sends a {@link RendererChangeEvent} 
     * to all registered listeners.
     * 
     * @param stroke  the stroke (<code>null</code> permitted).
     */
    public void setStroke(Stroke stroke) {
        setStroke(stroke, true);
    }
    
    /**
     * Sets the stroke for ALL series and, if requested, sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param stroke  the stroke (<code>null</code> permitted).
     * @param notify  notify listeners?
     */
    public void setStroke(Stroke stroke, boolean notify) {
        this.stroke = stroke;
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }    

    /**
     * Sets the stroke used for a series and sends a {@link RendererChangeEvent}
     * to all registered listeners.
     *
     * @param series  the series index (zero-based).
     * @param stroke  the stroke (<code>null</code> permitted).
     */
    public void setSeriesStroke(int series, Stroke stroke) {
        setSeriesStroke(series, stroke, true);
    }
    
    /**
     * Sets the stroke for a series and, if requested, sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param series  the series index (zero-based).
     * @param stroke  the stroke (<code>null</code> permitted).
     * @param notify  notify listeners?
     */
    public void setSeriesStroke(int series, Stroke stroke, boolean notify) {
        this.strokeList.setStroke(series, stroke);
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }    

    /**
     * Returns the base stroke.
     *
     * @return The base stroke (never <code>null</code>).
     */
    public Stroke getBaseStroke() {
        return this.baseStroke;
    }

    /**
     * Sets the base stroke.
     *
     * @param stroke  the stroke (<code>null</code> not permitted).
     */
    public void setBaseStroke(Stroke stroke) {
        // defer argument checking...
        setBaseStroke(stroke, true);
    }

    /**
     * Sets the base stroke and, if requested, sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param stroke  the stroke (<code>null</code> not permitted).
     * @param notify  notify listeners?
     */
    public void setBaseStroke(Stroke stroke, boolean notify) {
        if (stroke == null) {
            throw new IllegalArgumentException("Null 'stroke' argument.");   
        }
        this.baseStroke = stroke;
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }    

    // OUTLINE STROKE 
    
    /**
     * Returns the stroke used to outline data items.  The default 
     * implementation passes control to the {@link #getSeriesOutlineStroke(int)}
     * method. You can override this method if you require different behaviour.
     *
     * @param row  the row (or series) index (zero-based).
     * @param column  the column (or category) index (zero-based).
     *
     * @return The stroke (never <code>null</code>).