Example usage for java.awt Graphics2D setPaint

List of usage examples for java.awt Graphics2D setPaint

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Introduction

In this page you can find the example usage for java.awt Graphics2D setPaint.

Prototype

public abstract void setPaint(Paint paint);

Source Link

Document

Sets the Paint attribute for the Graphics2D context.

Usage

From source file:edu.jhuapl.graphs.jfreechart.CategoryLineGraphRenderer.java

/**
 * Draw a single data item.//w  w w  .  j a v a 2 s  . co m
 *
 * @param g2         the graphics device.
 * @param state      the renderer state.
 * @param dataArea   the area in which the data is drawn.
 * @param plot       the plot.
 * @param domainAxis the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset    the dataset.
 * @param row        the row index (zero-based).
 * @param column     the column index (zero-based).
 * @param pass       the pass index.
 */
@Override
public void drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot,
        CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass) {

    // do nothing if item is not visible
    if (!getItemVisible(row, column)) {
        return;
    }

    // do nothing if both the line and shape are not visible
    if (!getItemLineVisible(row, column) && !getItemShapeVisible(row, column)) {
        return;
    }

    // nothing is drawn for null...
    Number v = dataset.getValue(row, column);
    if (v == null) {
        return;
    }

    int visibleRow = state.getVisibleSeriesIndex(row);
    if (visibleRow < 0) {
        return;
    }
    int visibleRowCount = state.getVisibleSeriesCount();

    PlotOrientation orientation = plot.getOrientation();

    // current data point...
    double x1;
    if (getUseSeriesOffset()) {
        x1 = domainAxis.getCategorySeriesMiddle(column, dataset.getColumnCount(), visibleRow, visibleRowCount,
                getItemMargin(), dataArea, plot.getDomainAxisEdge());
    } else {
        x1 = domainAxis.getCategoryMiddle(column, getColumnCount(), dataArea, plot.getDomainAxisEdge());
    }
    double value = v.doubleValue();
    double y1 = rangeAxis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());

    if (pass == 0 && getItemLineVisible(row, column)) {
        if (column != 0) {
            Number previousValue = dataset.getValue(row, column - 1);

            // Added by Wayne Loschen 5/25/2010
            // Modified this method to draw a line between the last non-null value
            // instead of only drawing a line if the column - 1 value was non-null
            int prevColumnIndex = column - 1;
            if (previousValue == null) {
                while (prevColumnIndex > 0 && previousValue == null) {
                    prevColumnIndex--;
                    previousValue = dataset.getValue(row, prevColumnIndex);
                }
            }

            if (previousValue != null) {
                // previous data point...
                double previous = previousValue.doubleValue();
                double x0;
                if (getUseSeriesOffset()) {
                    // WAL - Replaced column - 1 with prevColumnIndex
                    x0 = domainAxis.getCategorySeriesMiddle(prevColumnIndex, dataset.getColumnCount(),
                            visibleRow, visibleRowCount, getItemMargin(), dataArea, plot.getDomainAxisEdge());
                } else {
                    // WAL - Replaced column - 1 with prevColumnIndex
                    x0 = domainAxis.getCategoryMiddle(prevColumnIndex, getColumnCount(), dataArea,
                            plot.getDomainAxisEdge());
                }
                double y0 = rangeAxis.valueToJava2D(previous, dataArea, plot.getRangeAxisEdge());

                Line2D line = null;
                if (orientation == PlotOrientation.HORIZONTAL) {
                    line = new Line2D.Double(y0, x0, y1, x1);
                } else if (orientation == PlotOrientation.VERTICAL) {
                    line = new Line2D.Double(x0, y0, x1, y1);
                }
                g2.setPaint(getItemPaint(row, column));
                g2.setStroke(getItemStroke(row, column));
                g2.draw(line);
            }
        }
    }

    if (pass == 1) {
        Shape shape = getItemShape(row, column);
        if (orientation == PlotOrientation.HORIZONTAL) {
            shape = ShapeUtilities.createTranslatedShape(shape, y1, x1);
        } else if (orientation == PlotOrientation.VERTICAL) {
            shape = ShapeUtilities.createTranslatedShape(shape, x1, y1);
        }

        if (getItemShapeVisible(row, column)) {
            if (getItemShapeFilled(row, column)) {
                if (getUseFillPaint()) {
                    g2.setPaint(getItemFillPaint(row, column));
                } else {
                    g2.setPaint(getItemPaint(row, column));
                }
                g2.fill(shape);
            }
            if (getDrawOutlines()) {
                if (getUseOutlinePaint()) {
                    g2.setPaint(getItemOutlinePaint(row, column));
                } else {
                    g2.setPaint(getItemPaint(row, column));
                }
                g2.setStroke(getItemOutlineStroke(row, column));
                g2.draw(shape);
            }
        }

        // draw the item label if there is one...
        if (isItemLabelVisible(row, column)) {
            if (orientation == PlotOrientation.HORIZONTAL) {
                drawItemLabel(g2, orientation, dataset, row, column, y1, x1, (value < 0.0));
            } else if (orientation == PlotOrientation.VERTICAL) {
                drawItemLabel(g2, orientation, dataset, row, column, x1, y1, (value < 0.0));
            }
        }

        // submit the current data point as a crosshair candidate
        int datasetIndex = plot.indexOf(dataset);
        updateCrosshairValues(state.getCrosshairState(), dataset.getRowKey(row), dataset.getColumnKey(column),
                value, datasetIndex, x1, y1, orientation);

        // add an item entity, if this information is being collected
        EntityCollection entities = state.getEntityCollection();
        if (entities != null) {
            addItemEntity(entities, dataset, row, column, shape);
        }
    }

}

From source file:org.jfree.chart.demo.CylinderRenderer.java

public void drawItem(Graphics2D graphics2d, CategoryItemRendererState categoryitemrendererstate,
        Rectangle2D rectangle2d, CategoryPlot categoryplot, CategoryAxis categoryaxis, ValueAxis valueaxis,
        CategoryDataset categorydataset, int i, int j, int k) {
    Number number = categorydataset.getValue(i, j);
    if (number == null)
        return;//from   ww w.  j  a v  a  2 s.co m
    double d = number.doubleValue();
    java.awt.geom.Rectangle2D.Double double1 = new java.awt.geom.Rectangle2D.Double(rectangle2d.getX(),
            rectangle2d.getY() + getYOffset(), rectangle2d.getWidth() - getXOffset(),
            rectangle2d.getHeight() - getYOffset());
    PlotOrientation plotorientation = categoryplot.getOrientation();
    double d1 = calculateBarW0(categoryplot, plotorientation, double1, categoryaxis, categoryitemrendererstate,
            i, j);
    double ad[] = calculateBarL0L1(d);
    if (ad == null)
        return;
    RectangleEdge rectangleedge = categoryplot.getRangeAxisEdge();
    float f = (float) valueaxis.valueToJava2D(ad[0], double1, rectangleedge);
    float f1 = (float) valueaxis.valueToJava2D(ad[1], double1, rectangleedge);
    float f2 = Math.min(f, f1);
    float f3 = Math.abs(f1 - f);
    GeneralPath generalpath = new GeneralPath();
    java.awt.geom.Ellipse2D.Double double2 = null;
    if (plotorientation == PlotOrientation.HORIZONTAL) {
        generalpath.moveTo((float) ((double) f2 + getXOffset() / 2D), (float) d1);
        generalpath.lineTo((float) ((double) (f2 + f3) + getXOffset() / 2D), (float) d1);
        java.awt.geom.Arc2D.Double double3 = new java.awt.geom.Arc2D.Double(f2 + f3, d1, getXOffset(),
                categoryitemrendererstate.getBarWidth(), 90D, 180D, 0);
        generalpath.append(double3, true);
        generalpath.lineTo((float) ((double) f2 + getXOffset() / 2D),
                (float) (d1 + categoryitemrendererstate.getBarWidth()));
        double3 = new java.awt.geom.Arc2D.Double(f2, d1, getXOffset(), categoryitemrendererstate.getBarWidth(),
                270D, -180D, 0);
        generalpath.append(double3, true);
        generalpath.closePath();
        double2 = new java.awt.geom.Ellipse2D.Double(f2 + f3, d1, getXOffset(),
                categoryitemrendererstate.getBarWidth());
    } else {
        generalpath.moveTo((float) d1, (float) ((double) f2 - getYOffset() / 2D));
        generalpath.lineTo((float) d1, (float) ((double) (f2 + f3) - getYOffset() / 2D));
        java.awt.geom.Arc2D.Double double4 = new java.awt.geom.Arc2D.Double(d1,
                (double) (f2 + f3) - getYOffset(), categoryitemrendererstate.getBarWidth(), getYOffset(), 180D,
                180D, 0);
        generalpath.append(double4, true);
        generalpath.lineTo((float) (d1 + categoryitemrendererstate.getBarWidth()),
                (float) ((double) f2 - getYOffset() / 2D));
        double4 = new java.awt.geom.Arc2D.Double(d1, (double) f2 - getYOffset(),
                categoryitemrendererstate.getBarWidth(), getYOffset(), 0.0D, -180D, 0);
        generalpath.append(double4, true);
        generalpath.closePath();
        double2 = new java.awt.geom.Ellipse2D.Double(d1, (double) f2 - getYOffset(),
                categoryitemrendererstate.getBarWidth(), getYOffset());
    }
    Object obj = getItemPaint(i, j);
    if (getGradientPaintTransformer() != null && (obj instanceof GradientPaint)) {
        GradientPaint gradientpaint = (GradientPaint) obj;
        obj = getGradientPaintTransformer().transform(gradientpaint, generalpath);
    }
    graphics2d.setPaint(((java.awt.Paint) (obj)));
    graphics2d.fill(generalpath);
    if (obj instanceof GradientPaint) {
        graphics2d.setPaint(((GradientPaint) obj).getColor2());
    }
    if (double2 != null) {
        graphics2d.fill(double2);
    }
    if (isDrawBarOutline() && categoryitemrendererstate.getBarWidth() > 3D) {
        graphics2d.setStroke(getItemOutlineStroke(i, j));
        graphics2d.setPaint(getItemOutlinePaint(i, j));
        graphics2d.draw(generalpath);
        if (double2 != null)
            graphics2d.draw(double2);
    }
    CategoryItemLabelGenerator categoryitemlabelgenerator = getItemLabelGenerator(i, j);
    if (categoryitemlabelgenerator != null && isItemLabelVisible(i, j))
        drawItemLabel(graphics2d, categorydataset, i, j, categoryplot, categoryitemlabelgenerator,
                generalpath.getBounds2D(), d < 0.0D);
    if (categoryitemrendererstate.getInfo() != null) {
        EntityCollection entitycollection = categoryitemrendererstate.getEntityCollection();
        if (entitycollection != null) {
            String s = null;
            CategoryToolTipGenerator categorytooltipgenerator = getToolTipGenerator(i, j);
            if (categorytooltipgenerator != null)
                s = categorytooltipgenerator.generateToolTip(categorydataset, i, j);
            String s1 = null;
            if (getItemURLGenerator(i, j) != null)
                s1 = getItemURLGenerator(i, j).generateURL(categorydataset, i, j);
            CategoryItemEntity categoryitementity = new CategoryItemEntity(generalpath.getBounds2D(), s, s1,
                    categorydataset, categorydataset.getRowKey(i), categorydataset.getColumnKey(j));
            entitycollection.add(categoryitementity);
        }
    }
}

From source file:org.talend.dataprofiler.chart.util.TopChartFactory.java

/**
 * Creates a bubble chart with default settings. The chart is composed of an {@link XYPlot}, with a {@link NumberAxis} for the
 * domain axis, a {@link NumberAxis} for the range axis, and an {@link XYBubbleRenderer} to draw the data items.
 * //ww w.ja  v a 2 s  .  c om
 * This method is copied from
 * {@link org.jfree.chart.ChartFactory#createBubbleChart(String, String, String, XYZDataset, PlotOrientation, boolean, boolean, boolean)}
 * 
 * @param title the chart title (<code>null</code> permitted).
 * @param xAxisLabel a label for the X-axis (<code>null</code> permitted).
 * @param yAxisLabel a label for the Y-axis (<code>null</code> permitted).
 * @param dataset the dataset for the chart (<code>null</code> permitted).
 * @param orientation the orientation (horizontal or vertical) (<code>null</code> NOT permitted).
 * @param legend a flag specifying whether or not a legend is required.
 * @param tooltips configure chart to generate tool tips?
 * @param urls configure chart to generate URLs?
 * 
 * @return A bubble chart.
 */
public static JFreeChart createBubbleChart(String title, String xAxisLabel, String yAxisLabel,
        XYZDataset dataset, PlotOrientation orientation, boolean legend, boolean tooltips, boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException(Messages.getString("TopChartFactory.argument")); //$NON-NLS-1$
    }
    NumberAxis xAxis = new NumberAxis(xAxisLabel);
    xAxis.setAutoRangeIncludesZero(false);
    NumberAxis yAxis = new NumberAxis(yAxisLabel);
    yAxis.setAutoRangeIncludesZero(false);

    XYPlot plot = new XYPlot(dataset, xAxis, yAxis, null);

    XYItemRenderer renderer = new XYBubbleRenderer(XYBubbleRenderer.SCALE_ON_RANGE_AXIS) {

        @Override
        public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea,
                PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis,
                XYDataset dataset, int series, int item, CrosshairState crosshairState, int pass) {

            // return straight away if the item is not visible
            if (!getItemVisible(series, item)) {
                return;
            }

            PlotOrientation orientation = plot.getOrientation();

            // get the data point...
            double x = dataset.getXValue(series, item);
            double y = dataset.getYValue(series, item);
            double z = Double.NaN;
            if (dataset instanceof XYZDataset) {
                XYZDataset xyzData = (XYZDataset) dataset;
                z = xyzData.getZValue(series, item);
            }
            if (!Double.isNaN(z)) {
                RectangleEdge domainAxisLocation = plot.getDomainAxisEdge();
                RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();
                double transX = domainAxis.valueToJava2D(x, dataArea, domainAxisLocation);
                double transY = rangeAxis.valueToJava2D(y, dataArea, rangeAxisLocation);

                double transDomain = 0.0;
                double transRange = 0.0;
                double zero;

                // MOD scorreia +2L avoid points: minimal size of circle must be 1
                // z = z * transX + 1;

                // ADD xqliu 2009-07-06 bug 8035
                double zSize = getBubbleSize(z); // calculate the multiple of bubble's default size
                z = 0; // use bubble's default size
                // ~

                switch (getScaleType()) {
                case SCALE_ON_DOMAIN_AXIS:
                    zero = domainAxis.valueToJava2D(0.0, dataArea, domainAxisLocation);
                    transDomain = domainAxis.valueToJava2D(z, dataArea, domainAxisLocation) - zero;
                    transRange = transDomain;
                    break;
                case SCALE_ON_RANGE_AXIS:
                    zero = rangeAxis.valueToJava2D(0.0, dataArea, rangeAxisLocation);
                    transRange = zero - rangeAxis.valueToJava2D(z, dataArea, rangeAxisLocation);
                    transDomain = transRange;
                    break;
                default:
                    double zero1 = domainAxis.valueToJava2D(0.0, dataArea, domainAxisLocation);
                    double zero2 = rangeAxis.valueToJava2D(0.0, dataArea, rangeAxisLocation);
                    transDomain = domainAxis.valueToJava2D(z, dataArea, domainAxisLocation) - zero1;
                    transRange = zero2 - rangeAxis.valueToJava2D(z, dataArea, rangeAxisLocation);
                }
                transDomain = Math.abs(transDomain);
                transRange = Math.abs(transRange);

                // MODSCA 2008-11-27 enlarge ellipse by diag% of the total diagonal
                double diag = Math.sqrt(dataArea.getHeight() * dataArea.getHeight()
                        + dataArea.getWidth() * dataArea.getWidth());
                transDomain += diag / 100;
                transRange += diag / 100;

                Ellipse2D circle = null;

                // ADD xqliu 2009-07-06 bug 8035
                transDomain *= zSize;
                transRange *= zSize;
                // ~

                if (orientation == PlotOrientation.VERTICAL) {
                    circle = new Ellipse2D.Double(transX - transDomain / 2.0, transY - transRange / 2.0,
                            transDomain, transRange);
                } else if (orientation == PlotOrientation.HORIZONTAL) {
                    circle = new Ellipse2D.Double(transY - transRange / 2.0, transX - transDomain / 2.0,
                            transRange, transDomain);
                }
                g2.setPaint(getItemPaint(series, item));
                g2.fill(circle);
                g2.setStroke(getItemOutlineStroke(series, item));
                g2.setPaint(getItemOutlinePaint(series, item));
                g2.draw(circle);

                if (isItemLabelVisible(series, item)) {
                    if (orientation == PlotOrientation.VERTICAL) {
                        drawItemLabel(g2, orientation, dataset, series, item, transX, transY, false);
                    } else if (orientation == PlotOrientation.HORIZONTAL) {
                        drawItemLabel(g2, orientation, dataset, series, item, transY, transX, false);
                    }
                }

                // add an entity if this info is being collected
                EntityCollection entities = null;
                if (info != null) {
                    entities = info.getOwner().getEntityCollection();
                    if (entities != null && circle.intersects(dataArea)) {
                        addEntity(entities, circle, dataset, series, item, circle.getCenterX(),
                                circle.getCenterY());
                    }
                }

                int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
                int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
                updateCrosshairValues(crosshairState, x, y, domainAxisIndex, rangeAxisIndex, transX, transY,
                        orientation);
            }

        }

        /**
         * DOC xqliu : calculate the size of bubble. for bug 8035 2009-07-06.
         * 
         * @param z multiple of bubble's default size
         * @return
         */
        private double getBubbleSize(double z) {
            if (z > 0 && z <= 10) {
                return 2;
            } else if (z > 10 && z <= 100) {
                return 3;
            } else if (z > 100) {
                return 4;
            }
            return 1;
        }

    };
    if (tooltips) {
        renderer.setBaseToolTipGenerator(new StandardXYZToolTipGenerator());
    }
    if (urls) {
        renderer.setURLGenerator(new StandardXYZURLGenerator());
    }
    plot.setRenderer(renderer);
    plot.setOrientation(orientation);

    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}

From source file:spinworld.gui.RadarPlot.java

private void drawTickLabel(Graphics2D g2, Rectangle2D radarArea, Point2D middlePoint, double _axisAngle,
        int cat, double tick) {
    double axisAngle = normalize(_axisAngle);
    double _origin = getOrigin(cat).doubleValue();
    double max = getMaxValue(cat).doubleValue();
    double tickValue = ((max - _origin) * tick) + _origin;
    String label = "" + Math.round(tickValue * 1000) / 1000d;
    FontRenderContext frc = g2.getFontRenderContext();
    Rectangle2D labelBounds = getLabelFont().getStringBounds(label, frc);
    int labelW = (int) labelBounds.getWidth();
    int labelH = (int) labelBounds.getHeight();

    double centerX = radarArea.getCenterX();
    double centerY = radarArea.getCenterY();

    double adj = middlePoint.distance(centerX, centerY);
    double opp = TICK_MARK_LENGTH / 2 + 4;
    double hyp = Math.sqrt(Math.pow(opp, 2) + Math.pow(adj, 2));
    double angle = Math.toDegrees(Math.atan(opp / adj));
    int charHeight = g2.getFontMetrics().getHeight();
    int charWidth = g2.getFontMetrics().charWidth('M');

    double alphaRad = Math.toRadians(axisAngle - angle);
    double labelX = centerX + (hyp * Math.cos(alphaRad));
    double labelY = centerY - (hyp * Math.sin(alphaRad)) + labelH;

    //        g2.draw(new Line2D.Double(centerX, centerY, labelX, labelY - labelH)); // test line

    double sinGap = Math.pow(Math.sin(Math.toRadians(axisAngle)), 2);
    if (axisAngle > 90 && axisAngle < 270) {
        labelY -= labelH;/*w ww .  java2  s  . c  om*/
        labelY += (charHeight * sinGap / 2);
    } else {
        labelY -= (charHeight * sinGap / 2);
    }
    double cosGap = Math.pow(Math.cos(Math.toRadians(axisAngle)), 2);
    if (axisAngle > 180) {
        labelX -= labelW;
        labelX += (charWidth * cosGap / 2);
    } else {
        labelX -= (charWidth * cosGap / 2);
    }
    //        g2.drawRect((int) labelX, (int) labelY - labelH, labelW, labelH); // test rectangle
    g2.setPaint(getLabelPaint());
    g2.setFont(getLabelFont());
    g2.drawString(label, (float) labelX, (float) labelY);
}

From source file:org.talend.dataprofiler.chart.preview.HideSeriesGanttRenderer.java

/**
 * Draws the tasks/subtasks for one item.
 * //ww  w. java 2  s.  c  om
 * @param g2 the graphics device.
 * @param state the renderer state.
 * @param dataArea the data plot area.
 * @param plot the plot.
 * @param domainAxis the domain axis.
 * @param rangeAxis the range axis.
 * @param dataset the data.
 * @param row the row index (zero-based).
 * @param column the column index (zero-based).
 */
protected void drawTasks(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea,
        CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, GanttCategoryDataset dataset, int row,
        int column) {

    int count = dataset.getSubIntervalCount(row, column);
    if (count == 0 && getItemVisible(row, column)) {
        drawTask(g2, state, dataArea, plot, domainAxis, rangeAxis, dataset, row, column);
    }

    for (int subinterval = 0; subinterval < count; subinterval++) {

        RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();

        // value 0
        Number value0 = dataset.getStartValue(row, column, subinterval);
        if (value0 == null) {
            return;
        }
        double translatedValue0 = rangeAxis.valueToJava2D(value0.doubleValue(), dataArea, rangeAxisLocation);

        // value 1
        Number value1 = dataset.getEndValue(row, column, subinterval);
        if (value1 == null) {
            return;
        }
        double translatedValue1 = rangeAxis.valueToJava2D(value1.doubleValue(), dataArea, rangeAxisLocation);

        if (translatedValue1 < translatedValue0) {
            double temp = translatedValue1;
            translatedValue1 = translatedValue0;
            translatedValue0 = temp;
        }

        double rectStart = calculateBarW0(plot, plot.getOrientation(), dataArea, domainAxis, state, row,
                column);
        double rectLength = Math.abs(translatedValue1 - translatedValue0);
        double rectBreadth = state.getBarWidth();

        // DRAW THE BARS...
        Rectangle2D bar = null;

        if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {
            bar = new Rectangle2D.Double(translatedValue0, rectStart, rectLength, rectBreadth);
        } else if (plot.getOrientation() == PlotOrientation.VERTICAL) {
            bar = new Rectangle2D.Double(rectStart, translatedValue0, rectBreadth, rectLength);
        }

        Rectangle2D completeBar = null;
        Rectangle2D incompleteBar = null;
        Number percent = dataset.getPercentComplete(row, column, subinterval);
        double start = getStartPercent();
        double end = getEndPercent();
        if (percent != null) {
            double p = percent.doubleValue();
            if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {
                completeBar = new Rectangle2D.Double(translatedValue0, rectStart + start * rectBreadth,
                        rectLength * p, rectBreadth * (end - start));
                incompleteBar = new Rectangle2D.Double(translatedValue0 + rectLength * p,
                        rectStart + start * rectBreadth, rectLength * (1 - p), rectBreadth * (end - start));
            } else if (plot.getOrientation() == PlotOrientation.VERTICAL) {
                completeBar = new Rectangle2D.Double(rectStart + start * rectBreadth,
                        translatedValue0 + rectLength * (1 - p), rectBreadth * (end - start), rectLength * p);
                incompleteBar = new Rectangle2D.Double(rectStart + start * rectBreadth, translatedValue0,
                        rectBreadth * (end - start), rectLength * (1 - p));
            }

        }

        Paint seriesPaint = getItemPaint(row, column);
        g2.setPaint(seriesPaint);
        g2.fill(bar);
        if (completeBar != null) {
            g2.setPaint(getCompletePaint());
            g2.fill(completeBar);
        }
        if (incompleteBar != null) {
            g2.setPaint(getIncompletePaint());
            g2.fill(incompleteBar);
        }
        if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) {
            g2.setStroke(getItemStroke(row, column));
            g2.setPaint(getItemOutlinePaint(row, column));
            g2.draw(bar);
        }

        // collect entity and tool tip information...
        if (state.getInfo() != null) {
            EntityCollection entities = state.getEntityCollection();
            if (entities != null) {
                String tip = null;
                if (getToolTipGenerator(row, column) != null) {
                    tip = getToolTipGenerator(row, column).generateToolTip(dataset, row, column);
                }
                String url = null;
                if (getItemURLGenerator(row, column) != null) {
                    url = getItemURLGenerator(row, column).generateURL(dataset, row, column);
                }
                CategoryItemEntity entity = new CategoryItemEntity(bar, tip, url, dataset, row,
                        dataset.getColumnKey(column), column);
                entities.add(entity);
            }
        }
    }
}

From source file:edu.dlnu.liuwenpeng.render.BarRenderer.java

/**    
* Draws the bar for a single (series, category) data item.    
*    /*from   w  w  w. ja  va  2  s  .c o m*/
* @param g2  the graphics device.    
* @param state  the renderer state.    
* @param dataArea  the data area.    
* @param plot  the plot.    
* @param domainAxis  the domain axis.    
* @param rangeAxis  the range axis.    
* @param dataset  the dataset.    
* @param row  the row index (zero-based).    
* @param column  the column index (zero-based).    
* @param pass  the pass index.    
*/
public void drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot,
        CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass) {

    // nothing is drawn for null values...   

    Number dataValue = dataset.getValue(row, column);
    if (dataValue == null) {
        return;
    }

    double value = dataValue.doubleValue();
    PlotOrientation orientation = plot.getOrientation();
    double barW0 = calculateBarW0(plot, orientation, dataArea, domainAxis, state, row, column);
    double[] barL0L1 = calculateBarL0L1(value);
    if (barL0L1 == null) {
        return; // the bar is not visible    
    }

    RectangleEdge edge = plot.getRangeAxisEdge();
    double transL0 = rangeAxis.valueToJava2D(barL0L1[0], dataArea, edge);
    double transL1 = rangeAxis.valueToJava2D(barL0L1[1], dataArea, edge);

    // in the following code, barL0 is (in Java2D coordinates) the LEFT    
    // end of the bar for a horizontal bar chart, and the TOP end of the    
    // bar for a vertical bar chart.  Whether this is the BASE of the bar    
    // or not depends also on (a) whether the data value is 'negative'    
    // relative to the base value and (b) whether or not the range axis is    
    // inverted.  This only matters if/when we apply the minimumBarLength    
    // attribute, because we should extend the non-base end of the bar    
    boolean positive = (value >= this.base);
    boolean inverted = rangeAxis.isInverted();
    double barL0 = Math.min(transL0, transL1);
    double barLength = Math.abs(transL1 - transL0);
    double barLengthAdj = 0.0;
    if (barLength > 0.0 && barLength < getMinimumBarLength()) {
        barLengthAdj = getMinimumBarLength() - barLength;
    }
    double barL0Adj = 0.0;
    if (orientation == PlotOrientation.HORIZONTAL) {
        if (positive && inverted || !positive && !inverted) {
            barL0Adj = barLengthAdj;
        }
    } else {
        if (positive && !inverted || !positive && inverted) {
            barL0Adj = barLengthAdj;
        }
    }

    // draw the bar...    
    Rectangle2D bar = null;
    if (orientation == PlotOrientation.HORIZONTAL) {
        bar = new Rectangle2D.Double(barL0 - barL0Adj, barW0, barLength + barLengthAdj, state.getBarWidth());
    } else {

        bar = new Rectangle2D.Double(barW0, barL0 - barL0Adj, state.getBarWidth(), barLength + barLengthAdj);
    }
    Paint itemPaint = getItemPaint(row, column);
    if (dataset.getValue(row, column).doubleValue() >= 0) {
        itemPaint = Color.red;

    } else {
        itemPaint = Color.GREEN;
    }
    GradientPaintTransformer t = getGradientPaintTransformer();
    if (t != null && itemPaint instanceof GradientPaint) {
        itemPaint = t.transform((GradientPaint) itemPaint, bar);
    }
    g2.setPaint(itemPaint);
    g2.fill(bar);

    // draw the outline...    
    if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) {
        Stroke stroke = getItemOutlineStroke(row, column);
        Paint paint = getItemOutlinePaint(row, column);

        if (dataset.getValue(row, column).doubleValue() >= 0) {
            paint = Color.red;

        } else {
            paint = Color.green;
        }
        if (stroke != null && paint != null) {
            g2.setStroke(stroke);

            g2.setPaint(paint);
            g2.draw(bar);
        }
    }

    CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
    if (generator != null && isItemLabelVisible(row, column)) {
        drawItemLabel(g2, dataset, row, column, plot, generator, bar, (value < 0.0));
    }

    // add an item entity, if this information is being collected    
    EntityCollection entities = state.getEntityCollection();
    if (entities != null) {
        addItemEntity(entities, dataset, row, column, bar);
    }

}

From source file:ucar.unidata.idv.control.chart.MyXYPlot.java

/**
 * Utility method for drawing a vertical line on the data area of the plot.
 *
 * @param g2  the graphics device.//from  ww  w .  j a v  a2 s .co m
 * @param dataArea  the data area.
 * @param value  the coordinate, where to draw the line.
 * @param stroke  the stroke to use.
 * @param paint  the paint to use.
 */
protected void drawVerticalLine(Graphics2D g2, Rectangle2D dataArea, double value, Stroke stroke, Paint paint) {

    ValueAxis axis = getDomainAxis();
    if (getOrientation() == PlotOrientation.HORIZONTAL) {
        axis = getRangeAxis();
    }
    if (axis.getRange().contains(value)) {
        double xx = axis.valueToJava2D(value, dataArea, RectangleEdge.BOTTOM);
        Line2D line = new Line2D.Double(xx, dataArea.getMinY(), xx, dataArea.getMaxY());
        g2.setStroke(stroke);
        g2.setPaint(paint);
        g2.draw(line);
    }

}

From source file:ucar.unidata.idv.control.chart.MyXYPlot.java

/**
 * Utility method for drawing a horizontal line across the data area of the
 * plot.// w  ww . j  a va  2 s.com
 *
 * @param g2  the graphics device.
 * @param dataArea  the data area.
 * @param value  the coordinate, where to draw the line.
 * @param stroke  the stroke to use.
 * @param paint  the paint to use.
 */
protected void drawHorizontalLine(Graphics2D g2, Rectangle2D dataArea, double value, Stroke stroke,
        Paint paint) {

    ValueAxis axis = getRangeAxis();
    if (getOrientation() == PlotOrientation.HORIZONTAL) {
        axis = getDomainAxis();
    }
    if (axis.getRange().contains(value)) {
        double yy = axis.valueToJava2D(value, dataArea, RectangleEdge.LEFT);
        Line2D line = new Line2D.Double(dataArea.getMinX(), yy, dataArea.getMaxX(), yy);
        g2.setStroke(stroke);
        g2.setPaint(paint);
        g2.draw(line);
    }

}

From source file:net.sf.fspdfs.chartthemes.spring.EyeCandySixtiesChartTheme.java

public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info,
        XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item,
        CrosshairState crosshairState, int pass) {
    // return straight away if the item is not visible
    if (!getItemVisible(series, item)) {
        return;/*w w w.  j  ava 2s  .c o  m*/
    }

    PlotOrientation orientation = plot.getOrientation();

    // get the data point...
    double x = dataset.getXValue(series, item);
    double y = dataset.getYValue(series, item);
    double z = Double.NaN;
    if (dataset instanceof XYZDataset) {
        XYZDataset xyzData = (XYZDataset) dataset;
        z = xyzData.getZValue(series, item);
    }
    if (!Double.isNaN(z)) {
        RectangleEdge domainAxisLocation = plot.getDomainAxisEdge();
        RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();
        double transX = domainAxis.valueToJava2D(x, dataArea, domainAxisLocation);
        double transY = rangeAxis.valueToJava2D(y, dataArea, rangeAxisLocation);

        double transDomain = 0.0;
        double transRange = 0.0;
        double zero;

        switch (getScaleType()) {
        case SCALE_ON_DOMAIN_AXIS:
            zero = domainAxis.valueToJava2D(0.0, dataArea, domainAxisLocation);
            transDomain = domainAxis.valueToJava2D(z, dataArea, domainAxisLocation) - zero;
            transRange = transDomain;
            break;
        case SCALE_ON_RANGE_AXIS:
            zero = rangeAxis.valueToJava2D(0.0, dataArea, rangeAxisLocation);
            transRange = zero - rangeAxis.valueToJava2D(z, dataArea, rangeAxisLocation);
            transDomain = transRange;
            break;
        default:
            double zero1 = domainAxis.valueToJava2D(0.0, dataArea, domainAxisLocation);
            double zero2 = rangeAxis.valueToJava2D(0.0, dataArea, rangeAxisLocation);
            transDomain = domainAxis.valueToJava2D(z, dataArea, domainAxisLocation) - zero1;
            transRange = zero2 - rangeAxis.valueToJava2D(z, dataArea, rangeAxisLocation);
        }
        transDomain = Math.abs(transDomain);
        transRange = Math.abs(transRange);
        Ellipse2D circle = null;
        if (orientation == PlotOrientation.VERTICAL) {
            circle = new Ellipse2D.Double(transX - transDomain / 2.0, transY - transRange / 2.0, transDomain,
                    transRange);
        } else if (orientation == PlotOrientation.HORIZONTAL) {
            circle = new Ellipse2D.Double(transY - transRange / 2.0, transX - transDomain / 2.0, transRange,
                    transDomain);
        }

        Paint paint = getItemPaint(series, item);
        if (paint instanceof GradientPaint) {
            paint = new StandardGradientPaintTransformer().transform((GradientPaint) paint, circle);
        }
        g2.setPaint(paint);
        g2.fill(circle);
        g2.setStroke(getItemOutlineStroke(series, item));
        g2.setPaint(getItemOutlinePaint(series, item));
        g2.draw(circle);

        if (isItemLabelVisible(series, item)) {
            if (orientation == PlotOrientation.VERTICAL) {
                drawItemLabel(g2, orientation, dataset, series, item, transX, transY, false);
            } else if (orientation == PlotOrientation.HORIZONTAL) {
                drawItemLabel(g2, orientation, dataset, series, item, transY, transX, false);
            }
        }

        // add an entity if this info is being collected
        EntityCollection entities = null;
        if (info != null) {
            entities = info.getOwner().getEntityCollection();
            if (entities != null && circle.intersects(dataArea)) {
                addEntity(entities, circle, dataset, series, item, circle.getCenterX(), circle.getCenterY());
            }
        }

        int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
        int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
        updateCrosshairValues(crosshairState, x, y, domainAxisIndex, rangeAxisIndex, transX, transY,
                orientation);
    }
}

From source file:org.talend.dataprofiler.chart.preview.HideSeriesGanttRenderer.java

/**
 * Draws a single task./*from ww w .  jav  a2s  .  c om*/
 * 
 * @param g2 the graphics device.
 * @param state the renderer state.
 * @param dataArea the data plot area.
 * @param plot the plot.
 * @param domainAxis the domain axis.
 * @param rangeAxis the range axis.
 * @param dataset the data.
 * @param row the row index (zero-based).
 * @param column the column index (zero-based).
 */
protected void drawTask(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot,
        CategoryAxis domainAxis, ValueAxis rangeAxis, GanttCategoryDataset dataset, int row, int column) {

    PlotOrientation orientation = plot.getOrientation();

    RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();

    // Y0
    Number value0 = dataset.getEndValue(row, column);
    if (value0 == null) {
        return;
    }
    double java2dValue0 = rangeAxis.valueToJava2D(value0.doubleValue(), dataArea, rangeAxisLocation);

    // Y1
    Number value1 = dataset.getStartValue(row, column);
    if (value1 == null) {
        return;
    }
    double java2dValue1 = rangeAxis.valueToJava2D(value1.doubleValue(), dataArea, rangeAxisLocation);

    if (java2dValue1 < java2dValue0) {
        double temp = java2dValue1;
        java2dValue1 = java2dValue0;
        java2dValue0 = temp;
        Number tempNum = value1;
        value1 = value0;
        value0 = tempNum;
    }

    // count the number of non-null values
    int totalBars = countNonNullValues(dataset, column);
    if (totalBars == 0) {
        return;
    }
    // count non-null values up to but not including the current value
    int priorBars = countPriorNonNullValues(dataset, column, row);

    // double rectStart = calculateBarW0(plot, orientation, dataArea,
    // domainAxis, state, row, column);
    // double rectBreadth = state.getBarWidth();

    double rectBreadth = (domainAxis.getCategoryEnd(column, getColumnCount(), dataArea,
            plot.getDomainAxisEdge())
            - domainAxis.getCategoryStart(column, getColumnCount(), dataArea, plot.getDomainAxisEdge()))
            / totalBars;
    double rectStart = domainAxis.getCategoryStart(column, getColumnCount(), dataArea, plot.getDomainAxisEdge())
            + rectBreadth * priorBars;
    double rectLength = Math.abs(java2dValue1 - java2dValue0);

    Rectangle2D bar = null;
    if (orientation == PlotOrientation.HORIZONTAL) {
        bar = new Rectangle2D.Double(java2dValue0, rectStart, rectLength, rectBreadth);
    } else if (orientation == PlotOrientation.VERTICAL) {
        bar = new Rectangle2D.Double(rectStart, java2dValue1, rectBreadth, rectLength);
    }

    Rectangle2D completeBar = null;
    Rectangle2D incompleteBar = null;
    Number percent = dataset.getPercentComplete(row, column);
    double start = getStartPercent();
    double end = getEndPercent();
    if (percent != null) {
        double p = percent.doubleValue();
        if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {
            completeBar = new Rectangle2D.Double(java2dValue0, rectStart + start * rectBreadth, rectLength * p,
                    rectBreadth * (end - start));
            incompleteBar = new Rectangle2D.Double(java2dValue0 + rectLength * p,
                    rectStart + start * rectBreadth, rectLength * (1 - p), rectBreadth * (end - start));
        } else if (plot.getOrientation() == PlotOrientation.VERTICAL) {
            completeBar = new Rectangle2D.Double(rectStart + start * rectBreadth,
                    java2dValue1 + rectLength * (1 - p), rectBreadth * (end - start), rectLength * p);
            incompleteBar = new Rectangle2D.Double(rectStart + start * rectBreadth, java2dValue1,
                    rectBreadth * (end - start), rectLength * (1 - p));
        }

    }

    Paint seriesPaint = getItemPaint(row, column);
    g2.setPaint(seriesPaint);
    g2.fill(bar);

    if (completeBar != null) {
        g2.setPaint(getCompletePaint());
        g2.fill(completeBar);
    }
    if (incompleteBar != null) {
        g2.setPaint(getIncompletePaint());
        g2.fill(incompleteBar);
    }

    // draw the outline...
    if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) {
        Stroke stroke = getItemOutlineStroke(row, column);
        Paint paint = getItemOutlinePaint(row, column);
        if (stroke != null && paint != null) {
            g2.setStroke(stroke);
            g2.setPaint(paint);
            g2.draw(bar);
        }
    }

    CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
    if (generator != null && isItemLabelVisible(row, column)) {
        drawItemLabel(g2, dataset, row, column, plot, generator, bar, false);
    }

    // collect entity and tool tip information...
    if (state.getInfo() != null) {
        EntityCollection entities = state.getEntityCollection();
        if (entities != null) {
            String tip = null;
            CategoryToolTipGenerator tipster = getToolTipGenerator(row, column);
            if (tipster != null) {
                tip = tipster.generateToolTip(dataset, row, column);
            }
            String url = null;
            if (getItemURLGenerator(row, column) != null) {
                url = getItemURLGenerator(row, column).generateURL(dataset, row, column);
            }
            CategoryItemEntity entity = new CategoryItemEntity(bar, tip, url, dataset, row,
                    dataset.getColumnKey(column), column);
            entities.add(entity);
        }
    }

}