abstractrenderer.java

关于jfreechart的电子说明书,一种说明图型使用的介绍

     * @param series  the series index.
     * 
     * @return A boolean.
     */
    public boolean isSeriesVisible(int series) {
        boolean result = this.baseSeriesVisible;
        if (this.seriesVisible != null) {
            result = this.seriesVisible.booleanValue();   
        }
        else {
            Boolean b = this.seriesVisibleList.getBoolean(series);
            if (b != null) {
                result = b.booleanValue();   
            }
        }
        return result;
    }
    
    /**
     * Returns the flag that controls the visibility of ALL series.  This flag 
     * overrides the per series and default settings - you must set it to 
     * <code>null</code> if you want the other settings to apply.
     * 
     * @return The flag (possibly <code>null</code>).
     */
    public Boolean getSeriesVisible() {
        return this.seriesVisible;   
    }
    
    /**
     * Sets the flag that controls the visibility of ALL series and sends a 
     * {@link RendererChangeEvent} to all registered listeners.  This flag 
     * overrides the per series and default settings - you must set it to 
     * <code>null</code> if you want the other settings to apply.
     * 
     * @param visible  the flag (<code>null</code> permitted).
     */
    public void setSeriesVisible(Boolean visible) {
         setSeriesVisible(visible, true);
    }
    
    /**
     * Sets the flag that controls the visibility of ALL series and sends a 
     * {@link RendererChangeEvent} to all registered listeners.  This flag 
     * overrides the per series and default settings - you must set it to 
     * <code>null</code> if you want the other settings to apply.
     * 
     * @param visible  the flag (<code>null</code> permitted).
     * @param notify  notify listeners?
     */
    public void setSeriesVisible(Boolean visible, boolean notify) {
        this.seriesVisible = visible;   
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }
    
    /**
     * Returns the flag that controls whether a series is visible.
     *
     * @param series  the series index (zero-based).
     *
     * @return The flag (possibly <code>null</code>).
     */
    public Boolean getSeriesVisible(int series) {
        return this.seriesVisibleList.getBoolean(series);
    }
    
    /**
     * Sets the flag that controls whether a series is visible and sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     *
     * @param series  the series index (zero-based).
     * @param visible  the flag (<code>null</code> permitted).
     */
    public void setSeriesVisible(int series, Boolean visible) {
        setSeriesVisible(series, visible, true);
    }
    
    /**
     * Sets the flag that controls whether a series is visible and, if 
     * requested, sends a {@link RendererChangeEvent} to all registered 
     * listeners.
     * 
     * @param series  the series index.
     * @param visible  the flag (<code>null</code> permitted).
     * @param notify  notify listeners?
     */
    public void setSeriesVisible(int series, Boolean visible, boolean notify) {
        this.seriesVisibleList.setBoolean(series, visible);       
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }

    /**
     * Returns the base visibility for all series.
     *
     * @return The base visibility.
     */
    public boolean getBaseSeriesVisible() {
        return this.baseSeriesVisible;
    }

    /**
     * Sets the base visibility and sends a {@link RendererChangeEvent} 
     * to all registered listeners.
     *
     * @param visible  the flag.
     */
    public void setBaseSeriesVisible(boolean visible) {
        // defer argument checking...
        setBaseSeriesVisible(visible, true);
    }
    
    /**
     * Sets the base visibility and, if requested, sends 
     * a {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param visible  the visibility.
     * @param notify  notify listeners?
     */
    public void setBaseSeriesVisible(boolean visible, boolean notify) {
        this.baseSeriesVisible = visible;
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }

    // SERIES VISIBLE IN LEGEND (not yet respected by all renderers)
    
    /**
     * Returns <code>true</code> if the series should be shown in the legend,
     * and <code>false</code> otherwise.
     * 
     * @param series  the series index.
     * 
     * @return A boolean.
     */
    public boolean isSeriesVisibleInLegend(int series) {
        boolean result = this.baseSeriesVisibleInLegend;
        if (this.seriesVisibleInLegend != null) {
            result = this.seriesVisibleInLegend.booleanValue();   
        }
        else {
            Boolean b = this.seriesVisibleInLegendList.getBoolean(series);
            if (b != null) {
                result = b.booleanValue();   
            }
        }
        return result;
    }
    
    /**
     * Returns the flag that controls the visibility of ALL series in the 
     * legend.  This flag overrides the per series and default settings - you 
     * must set it to <code>null</code> if you want the other settings to 
     * apply.
     * 
     * @return The flag (possibly <code>null</code>).
     */
    public Boolean getSeriesVisibleInLegend() {
        return this.seriesVisibleInLegend;   
    }
    
    /**
     * Sets the flag that controls the visibility of ALL series in the legend 
     * and sends a {@link RendererChangeEvent} to all registered listeners.  
     * This flag overrides the per series and default settings - you must set 
     * it to <code>null</code> if you want the other settings to apply.
     * 
     * @param visible  the flag (<code>null</code> permitted).
     */
    public void setSeriesVisibleInLegend(Boolean visible) {
         setSeriesVisibleInLegend(visible, true);
    }
    
    /**
     * Sets the flag that controls the visibility of ALL series in the legend 
     * and sends a {@link RendererChangeEvent} to all registered listeners.  
     * This flag overrides the per series and default settings - you must set 
     * it to <code>null</code> if you want the other settings to apply.
     * 
     * @param visible  the flag (<code>null</code> permitted).
     * @param notify  notify listeners?
     */
    public void setSeriesVisibleInLegend(Boolean visible, boolean notify) {
        this.seriesVisibleInLegend = visible;   
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }
    
    /**
     * Returns the flag that controls whether a series is visible in the 
     * legend.  This method returns only the "per series" settings - to 
     * incorporate the override and base settings as well, you need to use the 
     * {@link #isSeriesVisibleInLegend(int)} method.
     *
     * @param series  the series index (zero-based).
     *
     * @return The flag (possibly <code>null</code>).
     */
    public Boolean getSeriesVisibleInLegend(int series) {
        return this.seriesVisibleInLegendList.getBoolean(series);
    }
    
    /**
     * Sets the flag that controls whether a series is visible in the legend 
     * and sends a {@link RendererChangeEvent} to all registered listeners.
     *
     * @param series  the series index (zero-based).
     * @param visible  the flag (<code>null</code> permitted).
     */
    public void setSeriesVisibleInLegend(int series, Boolean visible) {
        setSeriesVisibleInLegend(series, visible, true);
    }
    
    /**
     * Sets the flag that controls whether a series is visible in the legend
     * and, if requested, sends a {@link RendererChangeEvent} to all registered 
     * listeners.
     * 
     * @param series  the series index.
     * @param visible  the flag (<code>null</code> permitted).
     * @param notify  notify listeners?
     */
    public void setSeriesVisibleInLegend(int series, Boolean visible, 
                                         boolean notify) {
        this.seriesVisibleInLegendList.setBoolean(series, visible);       
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }

    /**
     * Returns the base visibility in the legend for all series.
     *
     * @return The base visibility.
     */
    public boolean getBaseSeriesVisibleInLegend() {
        return this.baseSeriesVisibleInLegend;
    }

    /**
     * Sets the base visibility in the legend and sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     *
     * @param visible  the flag.
     */
    public void setBaseSeriesVisibleInLegend(boolean visible) {
        // defer argument checking...
        setBaseSeriesVisibleInLegend(visible, true);
    }
    
    /**
     * Sets the base visibility in the legend and, if requested, sends 
     * a {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param visible  the visibility.
     * @param notify  notify listeners?
     */
    public void setBaseSeriesVisibleInLegend(boolean visible, boolean notify) {
        this.baseSeriesVisibleInLegend = visible;
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }

    // PAINT
    
    /**
     * Returns the paint used to fill data items as they are drawn.
     * <p>
     * The default implementation passes control to the 
     * <code>getSeriesPaint</code> 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 getItemPaint(int row, int column) {
        return getSeriesPaint(row);
    }

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

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

        // otherwise look up the paint list
        Paint seriesPaint = this.paintList.getPaint(series);
        if (seriesPaint == null) {
            DrawingSupplier supplier = getDrawingSupplier();
            if (supplier != null) {
                seriesPaint = supplier.getNextPaint();
                this.paintList.setPaint(series, seriesPaint);
            }
            else {
                seriesPaint = this.basePaint;
            }
        }
        return seriesPaint;

    }

    /**
     * Sets the paint to be used for ALL series, and sends a 
     * {@link RendererChangeEvent} to all registered listeners.  If this is 
     * <code>null</code>, the renderer will use the paint for the series.
     * 
     * @param paint  the paint (<code>null</code> permitted).
     */
    public void setPaint(Paint paint) {
        setPaint(paint, true);
    }
    
    /**
     * Sets the paint to be used 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 setPaint(Paint paint, boolean notify) {
        this.paint = paint;
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }
    
    /**
     * Sets the paint used for a series 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 setSeriesPaint(int series, Paint paint) {
        setSeriesPaint(series, paint, true);
    }
    
    /**
     * Sets the paint used for a series and, if requested, sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param series  the series index.
     * @param paint  the paint (<code>null</code> permitted).
     * @param notify  notify listeners?
     */
    public void setSeriesPaint(int series, Paint paint, boolean notify) {
        this.paintList.setPaint(series, paint);       
        if (notify) {
            notifyListeners(new RendererChangeEvent(this));
        }
    }

    /**
     * Returns the base paint.
     *
     * @return The base paint (never <code>null</code>).
     */
    public Paint getBasePaint() {
        return this.basePaint;
    }

    /**
     * Sets the base paint and sends a {@link RendererChangeEvent} to all 
     * registered listeners.
     *
     * @param paint  the paint (<code>null</code> not permitted).
     */
    public void setBasePaint(Paint paint) {
        // defer argument checking...