Java PlotOrientation.VERTICAL屬性代碼示例

/**
 * Calculates the (x, y) coordinates for drawing a marker label.
 *
 * @param g2  the graphics device.
 * @param orientation  the plot orientation.
 * @param dataArea  the data area.
 * @param markerArea  the rectangle surrounding the marker area.
 * @param markerOffset  the marker label offset.
 * @param labelOffsetType  the label offset type.
 * @param anchor  the label anchor.
 *
 * @return The coordinates for drawing the marker label.
 */
protected Point2D calculateDomainMarkerTextAnchorPoint(Graphics2D g2,
        PlotOrientation orientation,
        Rectangle2D dataArea,
        Rectangle2D markerArea,
        RectangleInsets markerOffset,
        LengthAdjustmentType labelOffsetType,
        RectangleAnchor anchor) {

    Rectangle2D anchorRect = null;
    if (orientation == PlotOrientation.HORIZONTAL) {
        anchorRect = markerOffset.createAdjustedRectangle(markerArea,
                LengthAdjustmentType.CONTRACT, labelOffsetType);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        anchorRect = markerOffset.createAdjustedRectangle(markerArea,
                labelOffsetType, LengthAdjustmentType.CONTRACT);
    }
    return RectangleAnchor.coordinates(anchorRect, anchor);

}
 

/**
 * Calculates the (x, y) coordinates for drawing a marker label.
 *
 * @param g2  the graphics device.
 * @param orientation  the plot orientation.
 * @param dataArea  the data area.
 * @param markerArea  the rectangle surrounding the marker.
 * @param markerOffset  the marker offset.
 * @param labelOffsetType  the label offset type.
 * @param anchor  the label anchor.
 *
 * @return The coordinates for drawing the marker label.
 */
protected Point2D calculateRangeMarkerTextAnchorPoint(Graphics2D g2,
                                  PlotOrientation orientation,
                                  Rectangle2D dataArea,
                                  Rectangle2D markerArea,
                                  RectangleInsets markerOffset,
                                  LengthAdjustmentType labelOffsetType,
                                  RectangleAnchor anchor) {

    Rectangle2D anchorRect = null;
    if (orientation == PlotOrientation.HORIZONTAL) {
        anchorRect = markerOffset.createAdjustedRectangle(markerArea,
                labelOffsetType, LengthAdjustmentType.CONTRACT);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        anchorRect = markerOffset.createAdjustedRectangle(markerArea,
                LengthAdjustmentType.CONTRACT, labelOffsetType);
    }
    return RectangleAnchor.coordinates(anchorRect, anchor);

}
 

/**
 * Calculates the bar width and stores it in the renderer state.
 * 
 * @param plot  the plot.
 * @param dataArea  the data area.
 * @param rendererIndex  the renderer index.
 * @param state  the renderer state.
 */
protected void calculateBarWidth(CategoryPlot plot, 
                                 Rectangle2D dataArea, 
                                 int rendererIndex,
                                 CategoryItemRendererState state) {

    // calculate the bar width
    CategoryAxis domainAxis = getDomainAxis(plot, rendererIndex);
    CategoryDataset data = plot.getDataset(rendererIndex);
    if (data != null) {
        PlotOrientation orientation = plot.getOrientation();
        double space = 0.0;
        if (orientation == PlotOrientation.HORIZONTAL) {
            space = dataArea.getHeight();
        }
        else if (orientation == PlotOrientation.VERTICAL) {
            space = dataArea.getWidth();
        }
        double maxWidth = space * getMaxBarWidth();
        int columns = data.getColumnCount();
        double categoryMargin = 0.0;
        if (columns > 1) {
            categoryMargin = domainAxis.getCategoryMargin();
        }

        double used = space * (1 - domainAxis.getLowerMargin() - domainAxis.getUpperMargin()
                                 - categoryMargin);
        if (columns > 0) {
            state.setBarWidth(Math.min(used / columns, maxWidth));
        }
        else {
            state.setBarWidth(Math.min(used, maxWidth));
        }
    }

}
 

/**
 * Helper method which returns a value if it lies
 * inside the visible dataArea and otherwise the corresponding
 * coordinate on the border of the dataArea. The PlotOrientation
 * is taken into account. 
 * Useful to avoid possible sun.dc.pr.PRException: endPath: bad path
 * which occurs when trying to draw lines/shapes which in large part
 * lie outside of the visible dataArea.
 * 
 * @param value the value which shall be 
 * @param dataArea  the area within which the data is being drawn.
 * @param plot  the plot (can be used to obtain standard color 
 *              information etc).
 * @return <code>double</code> value inside the data area.
 */
protected static double restrictValueToDataArea(double value, 
                                                XYPlot plot, 
                                                Rectangle2D dataArea) {
    double min = 0;
    double max = 0;
    if (plot.getOrientation() == PlotOrientation.VERTICAL) {
        min = dataArea.getMinY();
        max = dataArea.getMaxY();
    } 
    else if (plot.getOrientation() ==  PlotOrientation.HORIZONTAL) {
        min = dataArea.getMinX();
        max = dataArea.getMaxX();
    }       
    if (value < min) {
        value = min;
    }
    else if (value > max) {
        value = max;
    }
    return value;
}
 

/**
 * Draws the annotation.  This method is called by the {@link XYPlot} class, you 
 * won't normally need to call it yourself.
 *
 * @param g2  the graphics device.
 * @param plot  the plot.
 * @param dataArea  the data area.
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 */
public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea,
                 ValueAxis domainAxis, ValueAxis rangeAxis) {

    PlotOrientation orientation = plot.getOrientation();
    RectangleEdge domainEdge = Plot.resolveDomainAxisLocation(
        plot.getDomainAxisLocation(), orientation
    );
    RectangleEdge rangeEdge = Plot.resolveRangeAxisLocation(
        plot.getRangeAxisLocation(), orientation
    );
    float j2DX1 = 0.0f;
    float j2DX2 = 0.0f;
    float j2DY1 = 0.0f;
    float j2DY2 = 0.0f;
    if (orientation == PlotOrientation.VERTICAL) {
        j2DX1 = (float) domainAxis.valueToJava2D(this.x1, dataArea, domainEdge);
        j2DY1 = (float) rangeAxis.valueToJava2D(this.y1, dataArea, rangeEdge);
        j2DX2 = (float) domainAxis.valueToJava2D(this.x2, dataArea, domainEdge);
        j2DY2 = (float) rangeAxis.valueToJava2D(this.y2, dataArea, rangeEdge);
    }
    else if (orientation == PlotOrientation.HORIZONTAL) {
        j2DY1 = (float) domainAxis.valueToJava2D(this.x1, dataArea, domainEdge);
        j2DX1 = (float) rangeAxis.valueToJava2D(this.y1, dataArea, rangeEdge);
        j2DY2 = (float) domainAxis.valueToJava2D(this.x2, dataArea, domainEdge);
        j2DX2 = (float) rangeAxis.valueToJava2D(this.y2, dataArea, rangeEdge);                
    }
    g2.setPaint(this.paint);
    g2.setStroke(this.stroke);
    Line2D line = new Line2D.Float(j2DX1, j2DY1, j2DX2, j2DY2);
    g2.draw(line);

}
 

/**
 * Draws a grid line against the range axis.
 *
 * @param g2  the graphics device.
 * @param plot  the plot.
 * @param axis  the value axis.
 * @param dataArea  the area for plotting data (not yet adjusted for any
 *                  3D effect).
 * @param value  the value at which the grid line should be drawn.
 */
public void drawDomainGridLine(Graphics2D g2,
                               XYPlot plot,
                               ValueAxis axis,
                               Rectangle2D dataArea,
                               double value) {

    Range range = axis.getRange();
    if (!range.contains(value)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    double v = axis.valueToJava2D(value, dataArea,
            plot.getDomainAxisEdge());
    Line2D line = null;
    if (orientation == PlotOrientation.HORIZONTAL) {
        line = new Line2D.Double(dataArea.getMinX(), v,
                dataArea.getMaxX(), v);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        line = new Line2D.Double(v, dataArea.getMinY(), v,
                dataArea.getMaxY());
    }

    Paint paint = plot.getDomainGridlinePaint();
    Stroke stroke = plot.getDomainGridlineStroke();
    g2.setPaint(paint != null ? paint : Plot.DEFAULT_OUTLINE_PAINT);
    g2.setStroke(stroke != null ? stroke : Plot.DEFAULT_OUTLINE_STROKE);
    g2.draw(line);

}
 

/**
 * Returns a reference to the 'horizontal' value axis, if there is one.
 *
 * @param plot  the plot.
 *
 * @return The axis.
 */
private ValueAxis getHorizontalValueAxis(Plot plot) {

    if (plot == null) {
        return null;
    }

    ValueAxis axis = null;

    if (plot instanceof CategoryPlot) {
        CategoryPlot cp = (CategoryPlot) plot;
        if (cp.getOrientation() == PlotOrientation.HORIZONTAL) {
            axis = cp.getRangeAxis();
        }
    }

    if (plot instanceof XYPlot) {
        XYPlot xyp = (XYPlot) plot;
        if (xyp.getOrientation() == PlotOrientation.HORIZONTAL) {
            axis = xyp.getRangeAxis();
        }
        else if (xyp.getOrientation() == PlotOrientation.VERTICAL) {
            axis = xyp.getDomainAxis();
        }
    }

    if (plot instanceof FastScatterPlot) {
        FastScatterPlot fsp = (FastScatterPlot) plot;
        axis = fsp.getDomainAxis();            
    }
    
    return axis;

}
 

/**
 * Draws the bar with its standard deviation line range for a single 
 * (series, category) data item.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the data area.
 * @param plot  the plot.
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param data  the data.
 * @param row  the row index (zero-based).
 * @param column  the column index (zero-based).
 * @param pass  the pass index.
 */
public void drawItem(Graphics2D g2,
                     CategoryItemRendererState state,
                     Rectangle2D dataArea,
                     CategoryPlot plot,
                     CategoryAxis domainAxis,
                     ValueAxis rangeAxis,
                     CategoryDataset data,
                     int row,
                     int column,
                     int pass) {

    // defensive check
    if (!(data instanceof StatisticalCategoryDataset)) {
        throw new IllegalArgumentException(
            "Requires StatisticalCategoryDataset.");
    }
    StatisticalCategoryDataset statData = (StatisticalCategoryDataset) data;

    PlotOrientation orientation = plot.getOrientation();
    if (orientation == PlotOrientation.HORIZONTAL) {
        drawHorizontalItem(g2, state, dataArea, plot, domainAxis, 
                rangeAxis, statData, row, column);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        drawVerticalItem(g2, state, dataArea, plot, domainAxis, rangeAxis, 
                statData, row, column);
    }
}
 

/**
 * Calculates the bar width and stores it in the renderer state.
 * 
 * @param plot  the plot.
 * @param dataArea  the data area.
 * @param rendererIndex  the renderer index.
 * @param state  the renderer state.
 */
protected void calculateItemWidth(CategoryPlot plot, 
                                  Rectangle2D dataArea, 
                                  int rendererIndex,
                                  CategoryItemRendererState state) {
                                     
    CategoryAxis domainAxis = getDomainAxis(plot, rendererIndex);
    CategoryDataset dataset = plot.getDataset(rendererIndex);
    if (dataset != null) {
        int columns = dataset.getColumnCount();
        int rows = dataset.getRowCount();
        double space = 0.0;
        PlotOrientation orientation = plot.getOrientation();
        if (orientation == PlotOrientation.HORIZONTAL) {
            space = dataArea.getHeight();
        }
        else if (orientation == PlotOrientation.VERTICAL) {
            space = dataArea.getWidth();
        }
        double maxWidth = space * getMaxItemWidth();
        double categoryMargin = 0.0;
        double currentItemMargin = 0.0;
        if (columns > 1) {
            categoryMargin = domainAxis.getCategoryMargin();
        }
        if (rows > 1) {
            currentItemMargin = getItemMargin();
        }
        double used = space * (1 - domainAxis.getLowerMargin() 
                                 - domainAxis.getUpperMargin()
                                 - categoryMargin - currentItemMargin);
        if ((rows * columns) > 0) {
            state.setBarWidth(Math.min(used / (rows * columns), maxWidth));
        }
        else {
            state.setBarWidth(Math.min(used, maxWidth));
        }
    }
}
 

/**
* Draws the annotation.  This method is usually called by the {@link XYPlot} class, you 
* shouldn't need to call it directly.
*
* @param g2  the graphics device.
* @param plot  the plot.
* @param dataArea  the data area.
* @param domainAxis  the domain axis.
* @param rangeAxis  the range axis.
*/
public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea,
                 ValueAxis domainAxis, ValueAxis rangeAxis) {

    PlotOrientation orientation = plot.getOrientation();
    RectangleEdge domainEdge = Plot.resolveDomainAxisLocation(
        plot.getDomainAxisLocation(), orientation
    );
    RectangleEdge rangeEdge = Plot.resolveRangeAxisLocation(
        plot.getRangeAxisLocation(), orientation
    );

    //compute transform matrix elements via sample points. Assume no rotation or shear.
    // x-axis translation
    double m02 = domainAxis.valueToJava2D(0, dataArea, domainEdge); 
    // y-axis translation
    double m12 = rangeAxis.valueToJava2D(0, dataArea, rangeEdge);
    // x-axis scale 
    double m00 = domainAxis.valueToJava2D(1, dataArea, domainEdge) - m02; 
    // y-axis scale
    double m11 = rangeAxis.valueToJava2D(1, dataArea, rangeEdge) - m12; 

    //create transform & transform shape
    Shape s = null;
    if (orientation == PlotOrientation.HORIZONTAL) {
        AffineTransform t1 = new AffineTransform(0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f);
        AffineTransform t2 = new AffineTransform(m11, 0.0f, 0.0f, m00, m12, m02);
        s = t1.createTransformedShape(this.shape);
        s = t2.createTransformedShape(s);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        AffineTransform t = new AffineTransform(m00, 0, 0, m11, m02, m12);
        s = t.createTransformedShape(this.shape);
    }

    g2.setPaint(this.paint);
    g2.setStroke(this.stroke);
    g2.draw(s);
    
}
 

/**
 * Calculates the bar width and stores it in the renderer state.
 * 
 * @param plot  the plot.
 * @param dataArea  the data area.
 * @param rendererIndex  the renderer index.
 * @param state  the renderer state.
 */
protected void calculateBarWidth(CategoryPlot plot, 
                                 Rectangle2D dataArea, 
                                 int rendererIndex,
                                 CategoryItemRendererState state) {

    // calculate the bar width
    CategoryAxis domainAxis = getDomainAxis(plot, rendererIndex);
    CategoryDataset data = plot.getDataset(rendererIndex);
    if (data != null) {
        PlotOrientation orientation = plot.getOrientation();
        double space = 0.0;
        if (orientation == PlotOrientation.HORIZONTAL) {
            space = dataArea.getHeight();
        }
        else if (orientation == PlotOrientation.VERTICAL) {
            space = dataArea.getWidth();
        }
        double maxWidth = space * getMaximumBarWidth();
        int columns = data.getColumnCount();
        double categoryMargin = 0.0;
        if (columns > 1) {
            categoryMargin = domainAxis.getCategoryMargin();
        }

        double used = space * (1 - domainAxis.getLowerMargin() 
                                 - domainAxis.getUpperMargin()
                                 - categoryMargin);
        if (columns > 0) {
            state.setBarWidth(Math.min(used / columns, maxWidth));
        }
        else {
            state.setBarWidth(Math.min(used, maxWidth));
        }
    }

}
 

/**
 * Calculates the bar width and stores it in the renderer state.
 * 
 * @param plot  the plot.
 * @param dataArea  the data area.
 * @param rendererIndex  the renderer index.
 * @param state  the renderer state.
 */
protected void calculateBarWidth(CategoryPlot plot, 
                                 Rectangle2D dataArea, 
                                 int rendererIndex,
                                 CategoryItemRendererState state) {

    // calculate the bar width
    CategoryAxis xAxis = plot.getDomainAxisForDataset(rendererIndex);
    CategoryDataset data = plot.getDataset(rendererIndex);
    if (data != null) {
        PlotOrientation orientation = plot.getOrientation();
        double space = 0.0;
        if (orientation == PlotOrientation.HORIZONTAL) {
            space = dataArea.getHeight();
        }
        else if (orientation == PlotOrientation.VERTICAL) {
            space = dataArea.getWidth();
        }
        double maxWidth = space * getMaxBarWidth();
        int columns = data.getColumnCount();
        double categoryMargin = 0.0;
        if (columns > 1) {
            categoryMargin = xAxis.getCategoryMargin();
        }

        double used = space * (1 - xAxis.getLowerMargin() - xAxis.getUpperMargin()
                                 - categoryMargin);
        if (columns > 0) {
            state.setBarWidth(Math.min(used / columns, maxWidth));
        }
        else {
            state.setBarWidth(Math.min(used, maxWidth));
        }
    }

}
 

/**
 * Draw a single data item.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area in which the data is drawn.
 * @param plot  the plot.
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the data.
 * @param row  the row index (zero-based).
 * @param column  the column index (zero-based).
 */
public void drawItem(Graphics2D g2,
                     CategoryItemRendererState state,
                     Rectangle2D dataArea,
                     CategoryPlot plot,
                     CategoryAxis domainAxis,
                     ValueAxis rangeAxis,
                     CategoryDataset dataset,
                     int row,
                     int column) {
                         
    if (!(dataset instanceof BoxAndWhiskerCategoryDataset)) {
        throw new IllegalArgumentException("BoxAndWhiskerRenderer.drawItem()"
            + " : the data should be of type BoxAndWhiskerCategoryDataset only.");
    }

    PlotOrientation orientation = plot.getOrientation();

    if (orientation == PlotOrientation.HORIZONTAL) {
        drawHorizontalItem(
            g2, state, dataArea, plot, domainAxis, rangeAxis, dataset, row, column
        );
    } 
    else if (orientation == PlotOrientation.VERTICAL) {
        drawVerticalItem(
            g2, state, dataArea, plot, domainAxis, rangeAxis, dataset, row, column
        );
    }
    
}
 

/**
 * Draws the bar with its standard deviation line range for a single (series, category) data
 * item.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the data area.
 * @param plot  the plot.
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param data  the data.
 * @param row  the row index (zero-based).
 * @param column  the column index (zero-based).
 */
public void drawItem(Graphics2D g2,
                     CategoryItemRendererState state,
                     Rectangle2D dataArea,
                     CategoryPlot plot,
                     CategoryAxis domainAxis,
                     ValueAxis rangeAxis,
                     CategoryDataset data,
                     int row,
                     int column) {


    // defensive check
    if (!(data instanceof StatisticalCategoryDataset)) {
        throw new IllegalArgumentException("StatisticalBarRenderer.drawCategoryItem()"
            + " : the data should be of type StatisticalCategoryDataset only.");
    }
    StatisticalCategoryDataset statData = (StatisticalCategoryDataset) data;

    PlotOrientation orientation = plot.getOrientation();
    if (orientation == PlotOrientation.HORIZONTAL) {
        drawHorizontalItem(g2, state, dataArea, plot, domainAxis, rangeAxis, statData, 
                           row, column);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        drawVerticalItem(g2, state, dataArea, plot, domainAxis, rangeAxis, statData, 
                         row, column);
    }
}
 

/**
 * Draw a single data item.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area in which the data is drawn.
 * @param plot  the plot.
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the data.
 * @param row  the row index (zero-based).
 * @param column  the column index (zero-based).
 * @param pass  the pass index.
 */
public void drawItem(Graphics2D g2,
                     CategoryItemRendererState state,
                     Rectangle2D dataArea,
                     CategoryPlot plot,
                     CategoryAxis domainAxis,
                     ValueAxis rangeAxis,
                     CategoryDataset dataset,
                     int row,
                     int column,
                     int pass) {
                         
    if (!(dataset instanceof BoxAndWhiskerCategoryDataset)) {
        throw new IllegalArgumentException(
                "BoxAndWhiskerRenderer.drawItem() : the data should be " 
                + "of type BoxAndWhiskerCategoryDataset only.");
    }

    PlotOrientation orientation = plot.getOrientation();

    if (orientation == PlotOrientation.HORIZONTAL) {
        drawHorizontalItem(g2, state, dataArea, plot, domainAxis, 
                rangeAxis, dataset, row, column);
    } 
    else if (orientation == PlotOrientation.VERTICAL) {
        drawVerticalItem(g2, state, dataArea, plot, domainAxis, 
                rangeAxis, dataset, row, column);
    }
    
}