Class XYBlockRenderer

    • Field Detail

      • blockWidth

        private double blockWidth
        The block width (defaults to 1.0).
      • blockHeight

        private double blockHeight
        The block height (defaults to 1.0).
      • blockAnchor

        private RectangleAnchor blockAnchor
        The anchor point used to align each block to its (x, y) location. The default value is RectangleAnchor.CENTER.
      • xOffset

        private double xOffset
        Temporary storage for the x-offset used to align the block anchor.
      • yOffset

        private double yOffset
        Temporary storage for the y-offset used to align the block anchor.
      • paintScale

        private PaintScale paintScale
        The paint scale.
    • Constructor Detail

      • XYBlockRenderer

        public XYBlockRenderer()
        Creates a new XYBlockRenderer instance with default attributes.
    • Method Detail

      • getBlockWidth

        public double getBlockWidth()
        Returns the block width, in data/axis units.
        Returns:
        The block width.
        See Also:
        setBlockWidth(double)
      • setBlockWidth

        public void setBlockWidth​(double width)
        Sets the width of the blocks used to represent each data item and sends a RendererChangeEvent to all registered listeners.
        Parameters:
        width - the new width, in data/axis units (must be > 0.0).
        See Also:
        getBlockWidth()
      • getBlockHeight

        public double getBlockHeight()
        Returns the block height, in data/axis units.
        Returns:
        The block height.
        See Also:
        setBlockHeight(double)
      • setBlockHeight

        public void setBlockHeight​(double height)
        Sets the height of the blocks used to represent each data item and sends a RendererChangeEvent to all registered listeners.
        Parameters:
        height - the new height, in data/axis units (must be > 0.0).
        See Also:
        getBlockHeight()
      • setBlockAnchor

        public void setBlockAnchor​(RectangleAnchor anchor)
        Sets the anchor point used to align a block at its (x, y) location and sends a RendererChangeEvent to all registered listeners.
        Parameters:
        anchor - the anchor.
        See Also:
        getBlockAnchor()
      • setPaintScale

        public void setPaintScale​(PaintScale scale)
        Sets the paint scale used by the renderer and sends a RendererChangeEvent to all registered listeners.
        Parameters:
        scale - the scale (null not permitted).
        See Also:
        getPaintScale()
      • updateOffsets

        private void updateOffsets()
        Updates the offsets to take into account the block width, height and anchor.
      • drawItem

        public void drawItem​(java.awt.Graphics2D g2,
                             XYItemRendererState state,
                             java.awt.geom.Rectangle2D dataArea,
                             PlotRenderingInfo info,
                             XYPlot plot,
                             ValueAxis domainAxis,
                             ValueAxis rangeAxis,
                             XYDataset dataset,
                             int series,
                             int item,
                             CrosshairState crosshairState,
                             int pass)
        Draws the block representing the specified item.
        Specified by:
        drawItem in interface XYItemRenderer
        Parameters:
        g2 - the graphics device.
        state - the state.
        dataArea - the data area.
        info - the plot rendering info.
        plot - the plot.
        domainAxis - the x-axis.
        rangeAxis - the y-axis.
        dataset - the dataset.
        series - the series index.
        item - the item index.
        crosshairState - the crosshair state.
        pass - the pass index.
      • equals

        public boolean equals​(java.lang.Object obj)
        Tests this XYBlockRenderer for equality with an arbitrary object. This method returns true if and only if:
        • obj is an instance of XYBlockRenderer (not null);
        • obj has the same field values as this XYBlockRenderer;
        Overrides:
        equals in class AbstractXYItemRenderer
        Parameters:
        obj - the object (null permitted).
        Returns:
        A boolean.
      • clone

        public java.lang.Object clone()
                               throws java.lang.CloneNotSupportedException
        Returns a clone of this renderer.
        Specified by:
        clone in interface PublicCloneable
        Overrides:
        clone in class AbstractXYItemRenderer
        Returns:
        A clone of this renderer.
        Throws:
        java.lang.CloneNotSupportedException - if there is a problem creating the clone.