コード例 #1
0
  /**
   * 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 drawRangeGridline(
      Graphics2D g2, CategoryPlot 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.getRangeAxisEdge());
    Line2D line = null;
    if (orientation == PlotOrientation.HORIZONTAL) {
      line = new Line2D.Double(v, dataArea.getMinY(), v, dataArea.getMaxY());
    } else if (orientation == PlotOrientation.VERTICAL) {
      line = new Line2D.Double(dataArea.getMinX(), v, dataArea.getMaxX(), v);
    }

    Paint paint = plot.getRangeGridlinePaint();
    if (paint == null) {
      paint = CategoryPlot.DEFAULT_GRIDLINE_PAINT;
    }
    g2.setPaint(paint);

    Stroke stroke = plot.getRangeGridlineStroke();
    if (stroke == null) {
      stroke = CategoryPlot.DEFAULT_GRIDLINE_STROKE;
    }
    g2.setStroke(stroke);

    g2.draw(line);
  }
コード例 #2
0
  /**
   * Converts a coordinate from Java 2D space to data space.
   *
   * @param java2DValue the coordinate in Java2D space.
   * @param dataArea the data area.
   * @param edge the edge.
   * @return The data value.
   */
  public double java2DToValue(double java2DValue, Rectangle2D dataArea, RectangleEdge edge) {
    Range range = getRange();

    double vmax = range.getUpperBound();
    double vp = getCycleBound();

    double jmin = 0.0;
    double jmax = 0.0;
    if (RectangleEdge.isTopOrBottom(edge)) {
      jmin = dataArea.getMinX();
      jmax = dataArea.getMaxX();
    } else if (RectangleEdge.isLeftOrRight(edge)) {
      jmin = dataArea.getMaxY();
      jmax = dataArea.getMinY();
    }

    if (isInverted()) {
      double jbreak = jmax - (vmax - vp) * (jmax - jmin) / this.period;
      if (java2DValue >= jbreak) {
        return vp + (jmax - java2DValue) * this.period / (jmax - jmin);
      } else {
        return vp - (java2DValue - jmin) * this.period / (jmax - jmin);
      }
    } else {
      double jbreak = (vmax - vp) * (jmax - jmin) / this.period + jmin;
      if (java2DValue <= jbreak) {
        return vp + (java2DValue - jmin) * this.period / (jmax - jmin);
      } else {
        return vp - (jmax - java2DValue) * this.period / (jmax - jmin);
      }
    }
  }
コード例 #3
0
  /**
   * Returns the content size for the title. This will reflect the fact that a text title positioned
   * on the left or right of a chart will be rotated 90 degrees.
   *
   * @param g2 the graphics device.
   * @param widthRange the width range.
   * @param heightRange the height range.
   * @return The content size.
   */
  protected Size2D arrangeRR(Graphics2D g2, Range widthRange, Range heightRange) {

    RectangleEdge position = getPosition();
    if (position == RectangleEdge.TOP || position == RectangleEdge.BOTTOM) {

      float maxWidth = (float) widthRange.getUpperBound();

      // determine the space required for the axis
      AxisSpace space =
          this.axis.reserveSpace(
              g2, null, new Rectangle2D.Double(0, 0, maxWidth, 100), RectangleEdge.BOTTOM, null);

      return new Size2D(
          maxWidth, this.stripWidth + this.axisOffset + space.getTop() + space.getBottom());
    } else if (position == RectangleEdge.LEFT || position == RectangleEdge.RIGHT) {
      float maxHeight = (float) heightRange.getUpperBound();
      AxisSpace space =
          this.axis.reserveSpace(
              g2, null, new Rectangle2D.Double(0, 0, 100, maxHeight), RectangleEdge.RIGHT, null);
      return new Size2D(
          this.stripWidth + this.axisOffset + space.getLeft() + space.getRight(), maxHeight);
    } else {
      throw new RuntimeException("Unrecognised position.");
    }
  }
コード例 #4
0
  /**
   * Converts a coordinate in Java2D space to the corresponding data value, assuming that the axis
   * runs along one edge of the specified plotArea.
   *
   * @param java2DValue the coordinate in Java2D space.
   * @param plotArea the area in which the data is plotted.
   * @param edge the axis location.
   * @return The data value.
   */
  @Override
  public double java2DToValue(double java2DValue, Rectangle2D plotArea, RectangleEdge edge) {

    Range range = getRange();
    double axisMin = switchedLog10(range.getLowerBound());
    double axisMax = switchedLog10(range.getUpperBound());

    double plotMin = 0.0;
    double plotMax = 0.0;
    if (RectangleEdge.isTopOrBottom(edge)) {
      plotMin = plotArea.getX();
      plotMax = plotArea.getMaxX();
    } else if (RectangleEdge.isLeftOrRight(edge)) {
      plotMin = plotArea.getMaxY();
      plotMax = plotArea.getMinY();
    }

    if (isInverted()) {
      return switchedPow10(
          axisMax - ((java2DValue - plotMin) / (plotMax - plotMin)) * (axisMax - axisMin));
    } else {
      return switchedPow10(
          axisMin + ((java2DValue - plotMin) / (plotMax - plotMin)) * (axisMax - axisMin));
    }
  }
コード例 #5
0
 /**
  * Scales the range by the specified factor.
  *
  * @param base the base range (<code>null</code> not permitted).
  * @param factor the scaling factor (must be non-negative).
  * @return A new range.
  * @since 1.0.9
  */
 public static Range scale(Range base, double factor) {
   ParamChecks.nullNotPermitted(base, "base");
   if (factor < 0) {
     throw new IllegalArgumentException("Negative 'factor' argument.");
   }
   return new Range(base.getLowerBound() * factor, base.getUpperBound() * factor);
 }
コード例 #6
0
  /** Rescales the axis to ensure that all data is visible. */
  @Override
  protected void autoAdjustRange() {

    Plot plot = getPlot();
    if (plot == null) {
      return; // no plot, no data
    }

    if (plot instanceof ValueAxisPlot) {
      ValueAxisPlot vap = (ValueAxisPlot) plot;

      Range r = vap.getDataRange(this);
      if (r == null) {
        r = getDefaultAutoRange();
      }

      long upper = Math.round(r.getUpperBound());
      long lower = Math.round(r.getLowerBound());
      this.first =
          createInstance(
              this.autoRangeTimePeriodClass, new Date(lower), this.timeZone, this.locale);
      this.last =
          createInstance(
              this.autoRangeTimePeriodClass, new Date(upper), this.timeZone, this.locale);
      setRange(r, false, false);
    }
  }
コード例 #7
0
  /**
   * Converts a data value to a coordinate in Java2D space, assuming that the axis runs along one
   * edge of the specified plotArea. Note that it is possible for the coordinate to fall outside the
   * plotArea.
   *
   * @param value the data value.
   * @param plotArea the area for plotting the data.
   * @param edge the axis location.
   * @return The Java2D coordinate.
   */
  @Override
  public double valueToJava2D(double value, Rectangle2D plotArea, RectangleEdge edge) {

    Range range = getRange();
    double axisMin = switchedLog10(range.getLowerBound());
    double axisMax = switchedLog10(range.getUpperBound());

    double min = 0.0;
    double max = 0.0;
    if (RectangleEdge.isTopOrBottom(edge)) {
      min = plotArea.getMinX();
      max = plotArea.getMaxX();
    } else if (RectangleEdge.isLeftOrRight(edge)) {
      min = plotArea.getMaxY();
      max = plotArea.getMinY();
    }

    value = switchedLog10(value);

    if (isInverted()) {
      return max - (((value - axisMin) / (axisMax - axisMin)) * (max - min));
    } else {
      return min + (((value - axisMin) / (axisMax - axisMin)) * (max - min));
    }
  }
コード例 #8
0
 /**
  * Sets a new axis range. The period is extended to fit the range size, if necessary.
  *
  * @param range the range.
  * @param turnOffAutoRange switch off the auto range.
  * @param notify notify?
  * @see org.jfree.chart.axis.ValueAxis#setRange(Range, boolean, boolean)
  */
 public void setRange(Range range, boolean turnOffAutoRange, boolean notify) {
   double size = range.getUpperBound() - range.getLowerBound();
   if (size > this.period) {
     this.period = size;
   }
   super.setRange(range, turnOffAutoRange, notify);
 }
コード例 #9
0
 protected int calculateVisibleTickCount() {
   double unit = getTickUnit().getSize();
   Range range = getRange();
   return (int)
       ((Math.floor(range.getUpperBound() / unit) - Math.ceil(range.getLowerBound() / unit))
           + NormalizedMatrixSeries.DEFAULT_SCALE_FACTOR);
 }
コード例 #10
0
  /** Replaces the dataset and checks that the data range is as expected. */
  public void testReplaceDataset() {

    // create a dataset...
    Number[][] data =
        new Integer[][] {
          {new Integer(-30), new Integer(-20)},
          {new Integer(-10), new Integer(10)},
          {new Integer(20), new Integer(30)}
        };

    CategoryDataset newData = DatasetUtilities.createCategoryDataset("S", "C", data);

    LocalListener l = new LocalListener();
    this.chart.addChangeListener(l);
    this.chart.getCategoryPlot().setDataset(newData);
    assertEquals(true, l.flag);
    ValueAxis axis = this.chart.getCategoryPlot().getRangeAxis();
    Range range = axis.getRange();
    assertTrue(
        "Expecting the lower bound of the range to be around -30: " + range.getLowerBound(),
        range.getLowerBound() <= -30);
    assertTrue(
        "Expecting the upper bound of the range to be around 30: " + range.getUpperBound(),
        range.getUpperBound() >= 30);
  }
コード例 #11
0
 public void stateChanged(ChangeEvent changeevent) {
   int i = slider.getValue();
   XYPlot xyplot = (XYPlot) chart.getPlot();
   ValueAxis valueaxis = xyplot.getDomainAxis();
   Range range = valueaxis.getRange();
   double d = valueaxis.getLowerBound() + ((double) i / 100D) * range.getLength();
   xyplot.setDomainCrosshairValue(d);
 }
コード例 #12
0
 /**
  * Handles a state change event.
  *
  * @param event the event.
  */
 public void stateChanged(ChangeEvent event) {
   int value = this.slider.getValue();
   XYPlot plot = this.chart.getXYPlot();
   ValueAxis domainAxis = plot.getDomainAxis();
   Range range = domainAxis.getRange();
   double c = domainAxis.getLowerBound() + (value / 100.0) * range.getLength();
   plot.setDomainCrosshairValue(c);
 }
コード例 #13
0
 /**
  * Arranges the content for this title assuming a range constraint for the width and no bounds on
  * the height, and returns the required size. This will reflect the fact that a text title
  * positioned on the left or right of a chart will be rotated by 90 degrees.
  *
  * @param g2 the graphics target.
  * @param widthRange the range for the width.
  * @return The content size.
  * @since 1.0.9
  */
 protected Size2D arrangeRN(Graphics2D g2, Range widthRange) {
   Size2D s = arrangeNN(g2);
   if (widthRange.contains(s.getWidth())) {
     return s;
   }
   double ww = widthRange.constrain(s.getWidth());
   return arrangeFN(g2, ww);
 }
コード例 #14
0
 /**
  * Returns the maximum x-value in the dataset.
  *
  * @param includeInterval a flag that determines whether or not the x-interval is taken into
  *     account.
  * @return The maximum value.
  */
 public double getDomainUpperBound(boolean includeInterval) {
   double result = Double.NaN;
   Range r = getDomainBounds(includeInterval);
   if (r != null) {
     result = r.getUpperBound();
   }
   return result;
 }
コード例 #15
0
 /**
  * Shifts the range by the specified amount.
  *
  * @param base the base range (<code>null</code> not permitted).
  * @param delta the shift amount.
  * @param allowZeroCrossing a flag that determines whether or not the bounds of the range are
  *     allowed to cross zero after adjustment.
  * @return A new range.
  */
 public static Range shift(Range base, double delta, boolean allowZeroCrossing) {
   ParamChecks.nullNotPermitted(base, "base");
   if (allowZeroCrossing) {
     return new Range(base.getLowerBound() + delta, base.getUpperBound() + delta);
   } else {
     return new Range(
         shiftWithNoZeroCrossing(base.getLowerBound(), delta),
         shiftWithNoZeroCrossing(base.getUpperBound(), delta));
   }
 }
コード例 #16
0
 /**
  * Returns the lower and upper bounds (range) of the x-values in the specified dataset.
  *
  * @param dataset the dataset (<code>null</code> permitted).
  * @return The range (<code>null</code> if the dataset is <code>null</code> or empty).
  * @see #findRangeBounds(XYDataset)
  */
 public Range findDomainBounds(XYDataset dataset) {
   if (dataset == null) {
     return null;
   }
   Range r = DatasetUtilities.findDomainBounds(dataset, false);
   if (r == null) {
     return null;
   }
   return new Range(
       r.getLowerBound() + this.xOffset, r.getUpperBound() + this.blockWidth + this.xOffset);
 }
コード例 #17
0
 /**
  * Combines two ranges. This method has a special handling for Double.NaN.
  *
  * @param range1 the first range (<code>null</code> permitted).
  * @param range2 the second range (<code>null</code> permitted).
  * @return A new range (possibly <code>null</code>).
  * @since 1.0.15
  */
 public static Range combineIgnoringNaN(Range range1, Range range2) {
   if (range1 == null) {
     return range2;
   }
   if (range2 == null) {
     return range1;
   }
   double l = min(range1.getLowerBound(), range2.getLowerBound());
   double u = max(range1.getUpperBound(), range2.getUpperBound());
   return new Range(l, u);
 }
コード例 #18
0
 /**
  * Returns the range of values the renderer requires to display all the items from the specified
  * dataset.
  *
  * @param dataset the dataset (<code>null</code> permitted).
  * @return The range (<code>null</code> if the dataset is <code>null</code> or empty).
  */
 public Range findRangeBounds(XYDataset dataset) {
   if (dataset == null) {
     return null;
   }
   Range r = DatasetUtilities.findRangeBounds(dataset, false);
   if (r == null) {
     return null;
   }
   double offset = 0; // TODO getSeriesShape(n).getBounds().height / 2;
   return new Range(r.getLowerBound() + offset, r.getUpperBound() + offset);
 }
コード例 #19
0
 /**
  * Creates a new range by adding margins to an existing range.
  *
  * @param range the range (<code>null</code> not permitted).
  * @param lowerMargin the lower margin (expressed as a percentage of the range length).
  * @param upperMargin the upper margin (expressed as a percentage of the range length).
  * @return The expanded range.
  */
 public static Range expand(Range range, double lowerMargin, double upperMargin) {
   ParamChecks.nullNotPermitted(range, "range");
   double length = range.getLength();
   double lower = range.getLowerBound() - length * lowerMargin;
   double upper = range.getUpperBound() + length * upperMargin;
   if (lower > upper) {
     lower = lower / 2.0 + upper / 2.0;
     upper = lower;
   }
   return new Range(lower, upper);
 }
コード例 #20
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  /** A test for bug 3072674. */
  @Test
  public void test3072674() {
    DefaultStatisticalCategoryDataset dataset = new DefaultStatisticalCategoryDataset();
    dataset.add(1.0, Double.NaN, "R1", "C1");
    assertEquals(1.0, dataset.getRangeLowerBound(true), EPSILON);
    assertEquals(1.0, dataset.getRangeUpperBound(true), EPSILON);

    Range r = dataset.getRangeBounds(true);
    assertEquals(1.0, r.getLowerBound(), EPSILON);
    assertEquals(1.0, r.getUpperBound(), EPSILON);
  }
コード例 #21
0
 /**
  * Sets the range for the axis, if requested, sends an {@link AxisChangeEvent} to all registered
  * listeners. As a side-effect, the auto-range flag is set to <code>false</code> (optional).
  *
  * @param range the range (<code>null</code> not permitted).
  * @param turnOffAutoRange a flag that controls whether or not the auto range is turned off.
  * @param notify a flag that controls whether or not listeners are notified.
  */
 public void setRange(Range range, boolean turnOffAutoRange, boolean notify) {
   long upper = Math.round(range.getUpperBound());
   long lower = Math.round(range.getLowerBound());
   this.first =
       createInstance(this.autoRangeTimePeriodClass, new Date(lower), this.timeZone, this.locale);
   this.last =
       createInstance(this.autoRangeTimePeriodClass, new Date(upper), this.timeZone, this.locale);
   super.setRange(
       new Range(this.first.getFirstMillisecond(), this.last.getLastMillisecond() + 1.0),
       turnOffAutoRange,
       notify);
 }
コード例 #22
0
 /**
  * Returns the range of the values in the dataset's domain, including or excluding the interval
  * around each x-value as specified.
  *
  * @param includeInterval a flag that determines whether or not the x-interval should be taken
  *     into account.
  * @return The range.
  */
 @Override
 public Range getDomainBounds(boolean includeInterval) {
   // first get the range without the interval, then expand it for the
   // interval width
   Range range = DatasetUtilities.findDomainBounds(this.dataset, false);
   if (includeInterval && range != null) {
     double lowerAdj = getIntervalWidth() * getIntervalPositionFactor();
     double upperAdj = getIntervalWidth() - lowerAdj;
     range = new Range(range.getLowerBound() - lowerAdj, range.getUpperBound() + upperAdj);
   }
   return range;
 }
コード例 #23
0
 /**
  * Returns a range that includes all the values in the specified <code>range</code> AND the
  * specified <code>value</code>.
  *
  * @param range the range (<code>null</code> permitted).
  * @param value the value that must be included.
  * @return A range.
  * @since 1.0.1
  */
 public static Range expandToInclude(Range range, double value) {
   if (range == null) {
     return new Range(value, value);
   }
   if (value < range.getLowerBound()) {
     return new Range(value, range.getUpperBound());
   } else if (value > range.getUpperBound()) {
     return new Range(range.getLowerBound(), value);
   } else {
     return range;
   }
 }
コード例 #24
0
 /**
  * Returns the range of values the renderer requires to display all the items from the specified
  * dataset.
  *
  * @param dataset the dataset (<code>null</code> permitted).
  * @return The range (<code>null</code> if the dataset is <code>null</code> or empty).
  * @see #findDomainBounds(XYDataset)
  */
 public Range findRangeBounds(XYDataset dataset) {
   if (dataset != null) {
     Range r = DatasetUtilities.findRangeBounds(dataset, false);
     if (r == null) {
       return null;
     } else {
       return new Range(
           r.getLowerBound() + this.yOffset, r.getUpperBound() + this.blockHeight + this.yOffset);
     }
   } else {
     return null;
   }
 }
コード例 #25
0
ファイル: AbstractBlock.java プロジェクト: bruno-sales/PCS
 private Range trimToContentHeight(Range r) {
   if (r == null) {
     return null;
   }
   double lowerBound = 0.0;
   double upperBound = Double.POSITIVE_INFINITY;
   if (r.getLowerBound() > 0.0) {
     lowerBound = trimToContentHeight(r.getLowerBound());
   }
   if (r.getUpperBound() < Double.POSITIVE_INFINITY) {
     upperBound = trimToContentHeight(r.getUpperBound());
   }
   return new Range(lowerBound, upperBound);
 }
コード例 #26
0
ファイル: LineRenderer3D.java プロジェクト: jfree/jfreechart
  /**
   * Draws a range marker.
   *
   * @param g2 the graphics device.
   * @param plot the plot.
   * @param axis the value axis.
   * @param marker the marker.
   * @param dataArea the area for plotting data (not including 3D effect).
   */
  @Override
  public void drawRangeMarker(
      Graphics2D g2, CategoryPlot plot, ValueAxis axis, Marker marker, Rectangle2D dataArea) {

    Rectangle2D adjusted =
        new Rectangle2D.Double(
            dataArea.getX(),
            dataArea.getY() + getYOffset(),
            dataArea.getWidth() - getXOffset(),
            dataArea.getHeight() - getYOffset());

    if (marker instanceof ValueMarker) {
      ValueMarker vm = (ValueMarker) marker;
      double value = vm.getValue();
      Range range = axis.getRange();
      if (!range.contains(value)) {
        return;
      }

      GeneralPath path = null;
      PlotOrientation orientation = plot.getOrientation();
      if (orientation == PlotOrientation.HORIZONTAL) {
        float x = (float) axis.valueToJava2D(value, adjusted, plot.getRangeAxisEdge());
        float y = (float) adjusted.getMaxY();
        path = new GeneralPath();
        path.moveTo(x, y);
        path.lineTo((float) (x + getXOffset()), y - (float) getYOffset());
        path.lineTo((float) (x + getXOffset()), (float) (adjusted.getMinY() - getYOffset()));
        path.lineTo(x, (float) adjusted.getMinY());
        path.closePath();
      } else if (orientation == PlotOrientation.VERTICAL) {
        float y = (float) axis.valueToJava2D(value, adjusted, plot.getRangeAxisEdge());
        float x = (float) dataArea.getX();
        path = new GeneralPath();
        path.moveTo(x, y);
        path.lineTo(x + (float) this.xOffset, y - (float) this.yOffset);
        path.lineTo((float) (adjusted.getMaxX() + this.xOffset), y - (float) this.yOffset);
        path.lineTo((float) (adjusted.getMaxX()), y);
        path.closePath();
      }
      g2.setPaint(marker.getPaint());
      g2.fill(path);
      g2.setPaint(marker.getOutlinePaint());
      g2.draw(path);
    } else {
      super.drawRangeMarker(g2, plot, axis, marker, adjusted);
      // TODO: draw the interval marker with a 3D effect
    }
  }
コード例 #27
0
  /**
   * Draws a line perpendicular to 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.
   * @param paint the paint.
   * @param stroke the stroke.
   * @see #drawRangeGridline
   * @since 1.0.13
   */
  public void drawRangeLine(
      Graphics2D g2,
      CategoryPlot plot,
      ValueAxis axis,
      Rectangle2D dataArea,
      double value,
      Paint paint,
      Stroke stroke) {

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

    Rectangle2D adjusted =
        new Rectangle2D.Double(
            dataArea.getX(),
            dataArea.getY() + getYOffset(),
            dataArea.getWidth() - getXOffset(),
            dataArea.getHeight() - getYOffset());

    Line2D line1 = null;
    Line2D line2 = null;
    PlotOrientation orientation = plot.getOrientation();
    if (orientation == PlotOrientation.HORIZONTAL) {
      double x0 = axis.valueToJava2D(value, adjusted, plot.getRangeAxisEdge());
      double x1 = x0 + getXOffset();
      double y0 = dataArea.getMaxY();
      double y1 = y0 - getYOffset();
      double y2 = dataArea.getMinY();
      line1 = new Line2D.Double(x0, y0, x1, y1);
      line2 = new Line2D.Double(x1, y1, x1, y2);
    } else if (orientation == PlotOrientation.VERTICAL) {
      double y0 = axis.valueToJava2D(value, adjusted, plot.getRangeAxisEdge());
      double y1 = y0 - getYOffset();
      double x0 = dataArea.getMinX();
      double x1 = x0 + getXOffset();
      double x2 = dataArea.getMaxX();
      line1 = new Line2D.Double(x0, y0, x1, y1);
      line2 = new Line2D.Double(x1, y1, x2, y1);
    }
    g2.setPaint(paint);
    g2.setStroke(stroke);
    g2.draw(line1);
    g2.draw(line2);
  }
コード例 #28
0
 public double java2DToValue(double java2DValue, Rectangle2D area, RectangleEdge edge) {
   Range range = getRange();
   double axisMin = range.getLowerBound();
   double axisMax = range.getUpperBound();
   double min = 0.0d;
   double max = 0.0d;
   if (RectangleEdge.isTopOrBottom(edge)) {
     min = area.getX();
     max = area.getMaxX();
   } else if (RectangleEdge.isLeftOrRight(edge)) {
     min = area.getMaxY();
     max = area.getY();
   }
   if (isInverted()) {
     return axisMax - (((java2DValue - min) / (max - min)) * (axisMax - axisMin));
   }
   return (((java2DValue - min) / (max - min)) * (axisMax - axisMin)) + axisMin;
 }
コード例 #29
0
  /** Check that the renderer is calculating the range bounds correctly. */
  @Test
  public void testFindRangeBounds() {
    TableXYDataset dataset = RendererXYPackageTests.createTestTableXYDataset();
    JFreeChart chart = ChartFactory.createStackedXYAreaChart("Test Chart", "X", "Y", dataset);
    XYPlot plot = (XYPlot) chart.getPlot();
    StackedXYAreaRenderer2 renderer = new StackedXYAreaRenderer2();
    plot.setRenderer(renderer);
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    Range bounds = rangeAxis.getRange();
    assertTrue(bounds.contains(6.0));
    assertTrue(bounds.contains(8.0));

    // try null argument
    assertNull(renderer.findRangeBounds(null));

    // try empty dataset
    assertNull(renderer.findRangeBounds(new DefaultTableXYDataset()));
  }
コード例 #30
0
  /**
   * Returns the content size for the title. This will reflect the fact that a text title positioned
   * on the left or right of a chart will be rotated 90 degrees.
   *
   * @param g2 the graphics device.
   * @param widthRange the width range.
   * @param heightRange the height range.
   * @return The content size.
   */
  protected Size2D arrangeRR(Graphics2D g2, Range widthRange, Range heightRange) {
    RectangleEdge position = getPosition();
    if (position == RectangleEdge.TOP || position == RectangleEdge.BOTTOM) {
      float maxWidth = (float) widthRange.getUpperBound();
      g2.setFont(this.font);
      this.content =
          TextUtilities.createTextBlock(
              this.text,
              this.font,
              this.paint,
              maxWidth,
              this.maximumLinesToDisplay,
              new G2TextMeasurer(g2));
      this.content.setLineAlignment(this.textAlignment);
      Size2D contentSize = this.content.calculateDimensions(g2);
      if (this.expandToFitSpace) {
        return new Size2D(maxWidth, contentSize.getHeight());
      } else {
        return contentSize;
      }
    } else if (position == RectangleEdge.LEFT || position == RectangleEdge.RIGHT) {
      float maxWidth = (float) heightRange.getUpperBound();
      g2.setFont(this.font);
      this.content =
          TextUtilities.createTextBlock(
              this.text,
              this.font,
              this.paint,
              maxWidth,
              this.maximumLinesToDisplay,
              new G2TextMeasurer(g2));
      this.content.setLineAlignment(this.textAlignment);
      Size2D contentSize = this.content.calculateDimensions(g2);

      // transpose the dimensions, because the title is rotated
      if (this.expandToFitSpace) {
        return new Size2D(contentSize.getHeight(), maxWidth);
      } else {
        return new Size2D(contentSize.height, contentSize.width);
      }
    } else {
      throw new RuntimeException("Unrecognised exception.");
    }
  }