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  3. org.jfree.chart.util.LineUtilities

Java 类org.jfree.chart.util.LineUtilities 实例源码

项目：limpet    文件：WrappingRenderer.java    
private void drawPrimaryLine(XYItemRendererState state, Graphics2D g2,
    XYPlot plot, double x0, double y0, double x1, double y1, int pass,
    int series, int item, ValueAxis domainAxis, ValueAxis rangeAxis,
    Rectangle2D dataArea)
{
  RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
  RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
  double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
  double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);
  double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
  double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
  // only draw if we have good values
  if (Double.isNaN(transX0) || Double.isNaN(transY0) || Double.isNaN(transX1)
      || Double.isNaN(transY1))
  {
    return;
  }
  PlotOrientation orientation = plot.getOrientation();
  boolean visible;
  if (orientation == PlotOrientation.HORIZONTAL)
  {
    state.workingLine.setLine(transY0, transX0, transY1, transX1);
  }
  else if (orientation == PlotOrientation.VERTICAL)
  {
    state.workingLine.setLine(transX0, transY0, transX1, transY1);
  }
  visible = LineUtilities.clipLine(state.workingLine, dataArea);
  if (visible)
  {
    drawFirstPassShape(g2, pass, series, item, state.workingLine);
  }
}
项目：ccu-historian    文件：XYLineAndShapeRenderer.java    
/**
 * Draws the item (first pass). This method draws the lines
 * connecting the items.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the data is being drawn.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset.
 * @param pass  the pass.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 */
protected void drawPrimaryLine(XYItemRendererState state,
                               Graphics2D g2,
                               XYPlot plot,
                               XYDataset dataset,
                               int pass,
                               int series,
                               int item,
                               ValueAxis domainAxis,
                               ValueAxis rangeAxis,
                               Rectangle2D dataArea) {
    if (item == 0) {
        return;
    }

    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    if (Double.isNaN(y1) || Double.isNaN(x1)) {
        return;
    }

    double x0 = dataset.getXValue(series, item - 1);
    double y0 = dataset.getYValue(series, item - 1);
    if (Double.isNaN(y0) || Double.isNaN(x0)) {
        return;
    }

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();

    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);

    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);

    // only draw if we have good values
    if (Double.isNaN(transX0) || Double.isNaN(transY0)
        || Double.isNaN(transX1) || Double.isNaN(transY1)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    boolean visible;
    if (orientation == PlotOrientation.HORIZONTAL) {
        state.workingLine.setLine(transY0, transX0, transY1, transX1);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        state.workingLine.setLine(transX0, transY0, transX1, transY1);
    }
    visible = LineUtilities.clipLine(state.workingLine, dataArea);
    if (visible) {
        drawFirstPassShape(g2, pass, series, item, state.workingLine);
    }
}
项目：ccu-historian    文件：XYLineAnnotation.java    
/**
 * 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.
 * @param rendererIndex  the renderer index.
 * @param info  if supplied, this info object will be populated with
 *              entity information.
 */
@Override
public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea,
                 ValueAxis domainAxis, ValueAxis rangeAxis,
                 int rendererIndex,
                 PlotRenderingInfo info) {

    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);
    // line is clipped to avoid JRE bug 6574155, for more info
    // see JFreeChart bug 2221495
    boolean visible = LineUtilities.clipLine(line, dataArea);
    if (visible) {
        g2.draw(line);
    }

    String toolTip = getToolTipText();
    String url = getURL();
    if (toolTip != null || url != null) {
        addEntity(info, ShapeUtilities.createLineRegion(line, 1.0f),
                rendererIndex, toolTip, url);
    }
}
项目：aya-lang    文件：XYLineAndShapeRenderer.java    
/**
 * Draws the item (first pass). This method draws the lines
 * connecting the items.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the data is being drawn.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset.
 * @param pass  the pass.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 */
protected void drawPrimaryLine(XYItemRendererState state,
                               Graphics2D g2,
                               XYPlot plot,
                               XYDataset dataset,
                               int pass,
                               int series,
                               int item,
                               ValueAxis domainAxis,
                               ValueAxis rangeAxis,
                               Rectangle2D dataArea) {
    if (item == 0) {
        return;
    }

    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    if (Double.isNaN(y1) || Double.isNaN(x1)) {
        return;
    }

    double x0 = dataset.getXValue(series, item - 1);
    double y0 = dataset.getYValue(series, item - 1);
    if (Double.isNaN(y0) || Double.isNaN(x0)) {
        return;
    }

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();

    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);

    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);

    // only draw if we have good values
    if (Double.isNaN(transX0) || Double.isNaN(transY0)
        || Double.isNaN(transX1) || Double.isNaN(transY1)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    boolean visible;
    if (orientation == PlotOrientation.HORIZONTAL) {
        state.workingLine.setLine(transY0, transX0, transY1, transX1);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        state.workingLine.setLine(transX0, transY0, transX1, transY1);
    }
    visible = LineUtilities.clipLine(state.workingLine, dataArea);
    if (visible) {
        drawFirstPassShape(g2, pass, series, item, state.workingLine);
    }
}
项目：aya-lang    文件：XYLineAnnotation.java    
/**
 * 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.
 * @param rendererIndex  the renderer index.
 * @param info  if supplied, this info object will be populated with
 *              entity information.
 */
@Override
public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea,
                 ValueAxis domainAxis, ValueAxis rangeAxis,
                 int rendererIndex,
                 PlotRenderingInfo info) {

    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);
    // line is clipped to avoid JRE bug 6574155, for more info
    // see JFreeChart bug 2221495
    boolean visible = LineUtilities.clipLine(line, dataArea);
    if (visible) {
        g2.draw(line);
    }

    String toolTip = getToolTipText();
    String url = getURL();
    if (toolTip != null || url != null) {
        addEntity(info, ShapeUtilities.createLineRegion(line, 1.0f),
                rendererIndex, toolTip, url);
    }
}
项目：populus    文件：XYLineAndShapeRenderer.java    
/**
 * Draws the item (first pass). This method draws the lines
 * connecting the items.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the data is being drawn.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset.
 * @param pass  the pass.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 */
protected void drawPrimaryLine(XYItemRendererState state,
                               Graphics2D g2,
                               XYPlot plot,
                               XYDataset dataset,
                               int pass,
                               int series,
                               int item,
                               ValueAxis domainAxis,
                               ValueAxis rangeAxis,
                               Rectangle2D dataArea) {
    if (item == 0) {
        return;
    }

    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    if (Double.isNaN(y1) || Double.isNaN(x1)) {
        return;
    }

    double x0 = dataset.getXValue(series, item - 1);
    double y0 = dataset.getYValue(series, item - 1);
    if (Double.isNaN(y0) || Double.isNaN(x0)) {
        return;
    }

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();

    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);

    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);

    // only draw if we have good values
    if (Double.isNaN(transX0) || Double.isNaN(transY0)
        || Double.isNaN(transX1) || Double.isNaN(transY1)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    boolean visible;
    if (orientation == PlotOrientation.HORIZONTAL) {
        state.workingLine.setLine(transY0, transX0, transY1, transX1);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        state.workingLine.setLine(transX0, transY0, transX1, transY1);
    }
    visible = LineUtilities.clipLine(state.workingLine, dataArea);
    if (visible) {
        drawFirstPassShape(g2, pass, series, item, state.workingLine);
    }
}
项目：populus    文件：XYLineAnnotation.java    
/**
 * 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.
 * @param rendererIndex  the renderer index.
 * @param info  if supplied, this info object will be populated with
 *              entity information.
 */
@Override
public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea,
                 ValueAxis domainAxis, ValueAxis rangeAxis,
                 int rendererIndex,
                 PlotRenderingInfo info) {

    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);
    // line is clipped to avoid JRE bug 6574155, for more info
    // see JFreeChart bug 2221495
    boolean visible = LineUtilities.clipLine(line, dataArea);
    if (visible) {
        g2.draw(line);
    }

    String toolTip = getToolTipText();
    String url = getURL();
    if (toolTip != null || url != null) {
        addEntity(info, ShapeUtilities.createLineRegion(line, 1.0f),
                rendererIndex, toolTip, url);
    }
}
项目：PI    文件：XYLineAnnotation.java    
/**
 * 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.
 * @param rendererIndex  the renderer index.
 * @param info  if supplied, this info object will be populated with
 *              entity information.
 */
public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea,
                 ValueAxis domainAxis, ValueAxis rangeAxis,
                 int rendererIndex,
                 PlotRenderingInfo info) {

    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);
    // line is clipped to avoid JRE bug 6574155, for more info
    // see JFreeChart bug 2221495
    boolean visible = LineUtilities.clipLine(line, dataArea);
    if (visible) {
        g2.draw(line);
    }

    String toolTip = getToolTipText();
    String url = getURL();
    if (toolTip != null || url != null) {
        addEntity(info, ShapeUtilities.createLineRegion(line, 1.0f),
                rendererIndex, toolTip, url);
    }
}
项目：ECG-Viewer    文件：XYLineAndShapeRenderer.java    
/**
 * Draws the item (first pass). This method draws the lines
 * connecting the items.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the data is being drawn.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset.
 * @param pass  the pass.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 */
protected void drawPrimaryLine(XYItemRendererState state,
                               Graphics2D g2,
                               XYPlot plot,
                               XYDataset dataset,
                               int pass,
                               int series,
                               int item,
                               ValueAxis domainAxis,
                               ValueAxis rangeAxis,
                               Rectangle2D dataArea) {
    if (item == 0) {
        return;
    }

    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    if (Double.isNaN(y1) || Double.isNaN(x1)) {
        return;
    }

    double x0 = dataset.getXValue(series, item - 1);
    double y0 = dataset.getYValue(series, item - 1);
    if (Double.isNaN(y0) || Double.isNaN(x0)) {
        return;
    }

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();

    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);

    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);

    // only draw if we have good values
    if (Double.isNaN(transX0) || Double.isNaN(transY0)
        || Double.isNaN(transX1) || Double.isNaN(transY1)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    boolean visible;
    if (orientation == PlotOrientation.HORIZONTAL) {
        state.workingLine.setLine(transY0, transX0, transY1, transX1);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        state.workingLine.setLine(transX0, transY0, transX1, transY1);
    }
    visible = LineUtilities.clipLine(state.workingLine, dataArea);
    if (visible) {
        drawFirstPassShape(g2, pass, series, item, state.workingLine);
    }
}
项目：ECG-Viewer    文件：XYLineAnnotation.java    
/**
 * 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.
 * @param rendererIndex  the renderer index.
 * @param info  if supplied, this info object will be populated with
 *              entity information.
 */
@Override
public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea,
                 ValueAxis domainAxis, ValueAxis rangeAxis,
                 int rendererIndex,
                 PlotRenderingInfo info) {

    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);
    // line is clipped to avoid JRE bug 6574155, for more info
    // see JFreeChart bug 2221495
    boolean visible = LineUtilities.clipLine(line, dataArea);
    if (visible) {
        g2.draw(line);
    }

    String toolTip = getToolTipText();
    String url = getURL();
    if (toolTip != null || url != null) {
        addEntity(info, ShapeUtilities.createLineRegion(line, 1.0f),
                rendererIndex, toolTip, url);
    }
}
项目：astor    文件：LineUtilitiesTests.java    
public void testClipLine() {
    Rectangle2D rect = new Rectangle2D.Double(1.0, 1.0, 1.0, 1.0);
    Line2D line = new Line2D.Double();

    assertFalse(LineUtilities.clipLine(line, rect));
    assertTrue(lineEquals(line, 0.0, 0.0, 0.0, 0.0));

    line.setLine(0.5, 0.5, 0.6, 0.6);
    assertFalse(LineUtilities.clipLine(line, rect));
    assertTrue(lineEquals(line, 0.5, 0.5, 0.6, 0.6));

    line.setLine(0.5, 0.5, 1.6, 0.6);
    assertFalse(LineUtilities.clipLine(line, rect));
    assertTrue(lineEquals(line, 0.5, 0.5, 1.6, 0.6));

    line.setLine(0.5, 0.5, 2.6, 0.6);
    assertFalse(LineUtilities.clipLine(line, rect));
    assertTrue(lineEquals(line, 0.5, 0.5, 2.6, 0.6));

    line.setLine(0.5, 0.5, 0.6, 1.6);
    assertFalse(LineUtilities.clipLine(line, rect));
    assertTrue(lineEquals(line, 0.5, 0.5, 0.6, 1.6));

    line.setLine(0.5, 0.5, 1.6, 1.6);
    assertTrue(LineUtilities.clipLine(line, rect));
    assertTrue(lineEquals(line, 1.0, 1.0, 1.6, 1.6));

    line.setLine(0.5, 0.5, 2.6, 1.6);
    assertTrue(LineUtilities.clipLine(line, rect));
    assertTrue(lineEquals(line, 1.4545454545454546, 1.0, 2.0,
            1.2857142857142858));

    line.setLine(0.5, 0.5, 0.5, 2.6);
    assertFalse(LineUtilities.clipLine(line, rect));
    assertTrue(lineEquals(line, 0.5, 0.5, 0.5, 2.6));

    line.setLine(0.5, 0.5, 1.5, 2.6);
    assertTrue(LineUtilities.clipLine(line, rect));
    assertTrue(lineEquals(line, 1.0, 1.55, 1.2142857142857142, 2.0));

    line.setLine(0.5, 0.5, 2.5, 2.6);
    assertTrue(LineUtilities.clipLine(line, rect));
    assertTrue(lineEquals(line, 1.0, 1.025, 1.9285714285714284, 2.0));

    line.setLine(0.5, 0.5, 1.5, 1.5);
    assertTrue(LineUtilities.clipLine(line, rect));
    assertTrue(lineEquals(line, 1.0, 1.0, 1.5, 1.5));

    line.setLine(2.5, 1.0, 1.5, 1.5);
    assertTrue(LineUtilities.clipLine(line, rect));
    assertTrue(lineEquals(line, 2.0, 1.25, 1.5, 1.5));

    line.setLine(1.5, 1.5, 2.5, 1.0);
    assertTrue(LineUtilities.clipLine(line, rect));
    assertTrue(lineEquals(line, 1.5, 1.5, 2.0, 1.25));
}
项目：astor    文件：XYLineAndShapeRenderer.java    
/**
 * Draws the item (first pass). This method draws the lines
 * connecting the items.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @param dataset  the dataset.
 * @param pass  the pass.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 * @param selected  is the data item selected?
 * @param dataArea  the area within which the data is being drawn.
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 *
 * @since 1.2.0
 */
protected void drawPrimaryLine(XYItemRendererState state, Graphics2D g2,
        XYPlot plot, XYDataset dataset, int pass, int series, int item,
        boolean selected, ValueAxis domainAxis, ValueAxis rangeAxis,
        Rectangle2D dataArea) {

    if (item == 0) {
        return;
    }

    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    if (Double.isNaN(y1) || Double.isNaN(x1)) {
        return;
    }

    double x0 = dataset.getXValue(series, item - 1);
    double y0 = dataset.getYValue(series, item - 1);
    if (Double.isNaN(y0) || Double.isNaN(x0)) {
        return;
    }

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();

    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);

    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);

    // only draw if we have good values
    if (Double.isNaN(transX0) || Double.isNaN(transY0)
        || Double.isNaN(transX1) || Double.isNaN(transY1)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    boolean visible = false;
    if (orientation == PlotOrientation.HORIZONTAL) {
        state.workingLine.setLine(transY0, transX0, transY1, transX1);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        state.workingLine.setLine(transX0, transY0, transX1, transY1);
    }
    visible = LineUtilities.clipLine(state.workingLine, dataArea);
    if (visible) {
        drawShape1(g2, pass, series, item, selected, state.workingLine);
    }
}
项目：group-five    文件：XYLineAndShapeRenderer.java    
/**
 * Draws the item (first pass). This method draws the lines
 * connecting the items.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the data is being drawn.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset.
 * @param pass  the pass.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 */
protected void drawPrimaryLine(XYItemRendererState state,
                               Graphics2D g2,
                               XYPlot plot,
                               XYDataset dataset,
                               int pass,
                               int series,
                               int item,
                               ValueAxis domainAxis,
                               ValueAxis rangeAxis,
                               Rectangle2D dataArea) {
    if (item == 0) {
        return;
    }

    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    if (Double.isNaN(y1) || Double.isNaN(x1)) {
        return;
    }

    double x0 = dataset.getXValue(series, item - 1);
    double y0 = dataset.getYValue(series, item - 1);
    if (Double.isNaN(y0) || Double.isNaN(x0)) {
        return;
    }

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();

    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);

    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);

    // only draw if we have good values
    if (Double.isNaN(transX0) || Double.isNaN(transY0)
        || Double.isNaN(transX1) || Double.isNaN(transY1)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    boolean visible;
    if (orientation == PlotOrientation.HORIZONTAL) {
        state.workingLine.setLine(transY0, transX0, transY1, transX1);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        state.workingLine.setLine(transX0, transY0, transX1, transY1);
    }
    visible = LineUtilities.clipLine(state.workingLine, dataArea);
    if (visible) {
        drawFirstPassShape(g2, pass, series, item, state.workingLine);
    }
}
项目：group-five    文件：XYLineAnnotation.java    
/**
 * 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.
 * @param rendererIndex  the renderer index.
 * @param info  if supplied, this info object will be populated with
 *              entity information.
 */
@Override
public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea,
                 ValueAxis domainAxis, ValueAxis rangeAxis,
                 int rendererIndex,
                 PlotRenderingInfo info) {

    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);
    // line is clipped to avoid JRE bug 6574155, for more info
    // see JFreeChart bug 2221495
    boolean visible = LineUtilities.clipLine(line, dataArea);
    if (visible) {
        g2.draw(line);
    }

    String toolTip = getToolTipText();
    String url = getURL();
    if (toolTip != null || url != null) {
        addEntity(info, ShapeUtilities.createLineRegion(line, 1.0f),
                rendererIndex, toolTip, url);
    }
}
项目：manydesigns.cn    文件：XYLineAndShapeRenderer.java    
/**
 * Draws the item (first pass). This method draws the lines
 * connecting the items.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the data is being drawn.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset.
 * @param pass  the pass.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 */
protected void drawPrimaryLine(XYItemRendererState state,
                               Graphics2D g2,
                               XYPlot plot,
                               XYDataset dataset,
                               int pass,
                               int series,
                               int item,
                               ValueAxis domainAxis,
                               ValueAxis rangeAxis,
                               Rectangle2D dataArea) {
    if (item == 0) {
        return;
    }

    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    if (Double.isNaN(y1) || Double.isNaN(x1)) {
        return;
    }

    double x0 = dataset.getXValue(series, item - 1);
    double y0 = dataset.getYValue(series, item - 1);
    if (Double.isNaN(y0) || Double.isNaN(x0)) {
        return;
    }

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();

    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);

    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);

    // only draw if we have good values
    if (Double.isNaN(transX0) || Double.isNaN(transY0)
        || Double.isNaN(transX1) || Double.isNaN(transY1)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    boolean visible;
    if (orientation == PlotOrientation.HORIZONTAL) {
        state.workingLine.setLine(transY0, transX0, transY1, transX1);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        state.workingLine.setLine(transX0, transY0, transX1, transY1);
    }
    visible = LineUtilities.clipLine(state.workingLine, dataArea);
    if (visible) {
        drawFirstPassShape(g2, pass, series, item, state.workingLine);
    }
}
项目：manydesigns.cn    文件：XYLineAnnotation.java    
/**
 * 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.
 * @param rendererIndex  the renderer index.
 * @param info  if supplied, this info object will be populated with
 *              entity information.
 */
@Override
public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea,
                 ValueAxis domainAxis, ValueAxis rangeAxis,
                 int rendererIndex,
                 PlotRenderingInfo info) {

    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);
    // line is clipped to avoid JRE bug 6574155, for more info
    // see JFreeChart bug 2221495
    boolean visible = LineUtilities.clipLine(line, dataArea);
    if (visible) {
        g2.draw(line);
    }

    String toolTip = getToolTipText();
    String url = getURL();
    if (toolTip != null || url != null) {
        addEntity(info, ShapeUtilities.createLineRegion(line, 1.0f),
                rendererIndex, toolTip, url);
    }
}
项目：buffer_bci    文件：XYLineAndShapeRenderer.java    
/**
 * Draws the item (first pass). This method draws the lines
 * connecting the items.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the data is being drawn.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset.
 * @param pass  the pass.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 */
protected void drawPrimaryLine(XYItemRendererState state,
                               Graphics2D g2,
                               XYPlot plot,
                               XYDataset dataset,
                               int pass,
                               int series,
                               int item,
                               ValueAxis domainAxis,
                               ValueAxis rangeAxis,
                               Rectangle2D dataArea) {
    if (item == 0) {
        return;
    }

    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    if (Double.isNaN(y1) || Double.isNaN(x1)) {
        return;
    }

    double x0 = dataset.getXValue(series, item - 1);
    double y0 = dataset.getYValue(series, item - 1);
    if (Double.isNaN(y0) || Double.isNaN(x0)) {
        return;
    }

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();

    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);

    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);

    // only draw if we have good values
    if (Double.isNaN(transX0) || Double.isNaN(transY0)
        || Double.isNaN(transX1) || Double.isNaN(transY1)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    boolean visible;
    if (orientation == PlotOrientation.HORIZONTAL) {
        state.workingLine.setLine(transY0, transX0, transY1, transX1);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        state.workingLine.setLine(transX0, transY0, transX1, transY1);
    }
    visible = LineUtilities.clipLine(state.workingLine, dataArea);
    if (visible) {
        drawFirstPassShape(g2, pass, series, item, state.workingLine);
    }
}
项目：buffer_bci    文件：XYLineAnnotation.java    
/**
 * 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.
 * @param rendererIndex  the renderer index.
 * @param info  if supplied, this info object will be populated with
 *              entity information.
 */
@Override
public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea,
                 ValueAxis domainAxis, ValueAxis rangeAxis,
                 int rendererIndex,
                 PlotRenderingInfo info) {

    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);
    // line is clipped to avoid JRE bug 6574155, for more info
    // see JFreeChart bug 2221495
    boolean visible = LineUtilities.clipLine(line, dataArea);
    if (visible) {
        g2.draw(line);
    }

    String toolTip = getToolTipText();
    String url = getURL();
    if (toolTip != null || url != null) {
        addEntity(info, ShapeUtilities.createLineRegion(line, 1.0f),
                rendererIndex, toolTip, url);
    }
}
项目：buffer_bci    文件：XYLineAndShapeRenderer.java    
/**
 * Draws the item (first pass). This method draws the lines
 * connecting the items.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the data is being drawn.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset.
 * @param pass  the pass.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 */
protected void drawPrimaryLine(XYItemRendererState state,
                               Graphics2D g2,
                               XYPlot plot,
                               XYDataset dataset,
                               int pass,
                               int series,
                               int item,
                               ValueAxis domainAxis,
                               ValueAxis rangeAxis,
                               Rectangle2D dataArea) {
    if (item == 0) {
        return;
    }

    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    if (Double.isNaN(y1) || Double.isNaN(x1)) {
        return;
    }

    double x0 = dataset.getXValue(series, item - 1);
    double y0 = dataset.getYValue(series, item - 1);
    if (Double.isNaN(y0) || Double.isNaN(x0)) {
        return;
    }

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();

    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);

    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);

    // only draw if we have good values
    if (Double.isNaN(transX0) || Double.isNaN(transY0)
        || Double.isNaN(transX1) || Double.isNaN(transY1)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    boolean visible;
    if (orientation == PlotOrientation.HORIZONTAL) {
        state.workingLine.setLine(transY0, transX0, transY1, transX1);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        state.workingLine.setLine(transX0, transY0, transX1, transY1);
    }
    visible = LineUtilities.clipLine(state.workingLine, dataArea);
    if (visible) {
        drawFirstPassShape(g2, pass, series, item, state.workingLine);
    }
}
项目：buffer_bci    文件：XYLineAnnotation.java    
/**
 * 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.
 * @param rendererIndex  the renderer index.
 * @param info  if supplied, this info object will be populated with
 *              entity information.
 */
@Override
public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea,
                 ValueAxis domainAxis, ValueAxis rangeAxis,
                 int rendererIndex,
                 PlotRenderingInfo info) {

    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);
    // line is clipped to avoid JRE bug 6574155, for more info
    // see JFreeChart bug 2221495
    boolean visible = LineUtilities.clipLine(line, dataArea);
    if (visible) {
        g2.draw(line);
    }

    String toolTip = getToolTipText();
    String url = getURL();
    if (toolTip != null || url != null) {
        addEntity(info, ShapeUtilities.createLineRegion(line, 1.0f),
                rendererIndex, toolTip, url);
    }
}
项目：proyecto-teoria-control-utn-frro    文件：XYLineAndShapeRenderer.java    
/**
 * Draws the item (first pass). This method draws the lines
 * connecting the items.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the data is being drawn.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset.
 * @param pass  the pass.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 */
protected void drawPrimaryLine(XYItemRendererState state,
                               Graphics2D g2,
                               XYPlot plot,
                               XYDataset dataset,
                               int pass,
                               int series,
                               int item,
                               ValueAxis domainAxis,
                               ValueAxis rangeAxis,
                               Rectangle2D dataArea) {
    if (item == 0) {
        return;
    }

    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    if (Double.isNaN(y1) || Double.isNaN(x1)) {
        return;
    }

    double x0 = dataset.getXValue(series, item - 1);
    double y0 = dataset.getYValue(series, item - 1);
    if (Double.isNaN(y0) || Double.isNaN(x0)) {
        return;
    }

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();

    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);

    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);

    // only draw if we have good values
    if (Double.isNaN(transX0) || Double.isNaN(transY0)
        || Double.isNaN(transX1) || Double.isNaN(transY1)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    boolean visible = false;
    if (orientation == PlotOrientation.HORIZONTAL) {
        state.workingLine.setLine(transY0, transX0, transY1, transX1);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        state.workingLine.setLine(transX0, transY0, transX1, transY1);
    }
    visible = LineUtilities.clipLine(state.workingLine, dataArea);
    if (visible) {
        drawFirstPassShape(g2, pass, series, item, state.workingLine);
    }
}
项目：proyecto-teoria-control-utn-frro    文件：XYLineAnnotation.java    
/**
 * 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.
 * @param rendererIndex  the renderer index.
 * @param info  if supplied, this info object will be populated with
 *              entity information.
 */
public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea,
                 ValueAxis domainAxis, ValueAxis rangeAxis,
                 int rendererIndex,
                 PlotRenderingInfo info) {

    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);
    // line is clipped to avoid JRE bug 6574155, for more info
    // see JFreeChart bug 2221495
    boolean visible = LineUtilities.clipLine(line, dataArea);
    if (visible) {
        g2.draw(line);
    }

    String toolTip = getToolTipText();
    String url = getURL();
    if (toolTip != null || url != null) {
        addEntity(info, ShapeUtilities.createLineRegion(line, 1.0f),
                rendererIndex, toolTip, url);
    }
}
项目：Memetic-Algorithm-for-TSP    文件：XYLineAndShapeRenderer.java    
/**
 * Draws the item (first pass). This method draws the lines
 * connecting the items.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the data is being drawn.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset.
 * @param pass  the pass.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 */
protected void drawPrimaryLine(XYItemRendererState state,
                               Graphics2D g2,
                               XYPlot plot,
                               XYDataset dataset,
                               int pass,
                               int series,
                               int item,
                               ValueAxis domainAxis,
                               ValueAxis rangeAxis,
                               Rectangle2D dataArea) {
    if (item == 0) {
        return;
    }

    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    if (Double.isNaN(y1) || Double.isNaN(x1)) {
        return;
    }

    double x0 = dataset.getXValue(series, item - 1);
    double y0 = dataset.getYValue(series, item - 1);
    if (Double.isNaN(y0) || Double.isNaN(x0)) {
        return;
    }

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();

    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);

    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);

    // only draw if we have good values
    if (Double.isNaN(transX0) || Double.isNaN(transY0)
        || Double.isNaN(transX1) || Double.isNaN(transY1)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    boolean visible = false;
    if (orientation == PlotOrientation.HORIZONTAL) {
        state.workingLine.setLine(transY0, transX0, transY1, transX1);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        state.workingLine.setLine(transX0, transY0, transX1, transY1);
    }
    visible = LineUtilities.clipLine(state.workingLine, dataArea);
    if (visible) {
        drawFirstPassShape(g2, pass, series, item, state.workingLine);
    }
}
项目：Memetic-Algorithm-for-TSP    文件：XYLineAnnotation.java    
/**
 * 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.
 * @param rendererIndex  the renderer index.
 * @param info  if supplied, this info object will be populated with
 *              entity information.
 */
public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea,
                 ValueAxis domainAxis, ValueAxis rangeAxis,
                 int rendererIndex,
                 PlotRenderingInfo info) {

    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);
    // line is clipped to avoid JRE bug 6574155, for more info
    // see JFreeChart bug 2221495
    boolean visible = LineUtilities.clipLine(line, dataArea);
    if (visible) {
        g2.draw(line);
    }

    String toolTip = getToolTipText();
    String url = getURL();
    if (toolTip != null || url != null) {
        addEntity(info, ShapeUtilities.createLineRegion(line, 1.0f),
                rendererIndex, toolTip, url);
    }
}