List of usage examples for org.jfree.chart.renderer.category CategoryItemRendererState getCrosshairState
public CategoryCrosshairState getCrosshairState()
From source file:org.openfaces.component.chart.impl.renderers.LineFillRenderer.java
public void drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataSet, int row, int column, int pass) { if (!getItemVisible(row, column)) { return;// www .j av a2 s . c o m } Number value = dataSet.getValue(row, column); int visibleRow = state.getVisibleSeriesIndex(row); if ((value == null || visibleRow < 0)) { return; } LineFillItemRendererState rendererState = (LineFillItemRendererState) state; double currentValue = value.doubleValue(); double currentItemXPoint = calculateItemXPoint(plot, dataSet, domainAxis, dataArea, column, visibleRow, state.getVisibleSeriesCount()); double currentItemYPoint = calculateItemYPoint(plot, rangeAxis, dataArea, currentValue); if (isAreaAndLinePass(pass)) { processAreaAndLine(dataArea, plot, domainAxis, rangeAxis, dataSet, rendererState, row, column, currentValue, currentItemXPoint, currentItemYPoint, visibleRow); } else if (isShapesAndLabelsPass(pass)) { Shape entityArea = renderItemShapeAndLabel(g2, dataSet, row, column, plot.getOrientation(), currentValue, currentItemXPoint, currentItemYPoint); int dataSetIndex = plot.indexOf(dataSet); updateCrosshairValues(state.getCrosshairState(), dataSet.getRowKey(row), dataSet.getColumnKey(column), currentValue, dataSetIndex, currentItemXPoint, currentItemYPoint, plot.getOrientation()); EntityCollection entities = state.getEntityCollection(); if (entities != null) { addItemEntity(entities, dataSet, row, column, entityArea); } } }
From source file:KIDLYRenderer.java
/** * Draws the bar for a single (series, category) data item. * * @param g2 the graphics device./*from w w w .j ava 2s. co m*/ * @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 if the row index is not included in the list with // the indices of the visible rows... int visibleRow = state.getVisibleSeriesIndex(row); if (visibleRow < 0) { return; } // nothing is drawn for null values... Number dataValue = dataset.getValue(row, column); if (dataValue == null) { return; } final double value = dataValue.doubleValue(); PlotOrientation orientation = plot.getOrientation(); double barW0 = calculateBarW0(plot, orientation, dataArea, domainAxis, state, visibleRow, 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; RectangleEdge barBase; if (orientation == PlotOrientation.HORIZONTAL) { if (positive && inverted || !positive && !inverted) { barL0Adj = barLengthAdj; barBase = RectangleEdge.RIGHT; } else { barBase = RectangleEdge.LEFT; } } else { if (positive && !inverted || !positive && inverted) { barL0Adj = barLengthAdj; barBase = RectangleEdge.BOTTOM; } else { barBase = RectangleEdge.TOP; } } // 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); } /* if (getShadowsVisible()) { this.barPainter.paintBarShadow(g2, this, row, column, bar, barBase, true); } this.barPainter.paintBar(g2, this, row, column, bar, barBase);*/ CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column); if (generator != null && isItemLabelVisible(row, column)) { drawItemLabel(g2, dataset, row, column, plot, generator, bar, (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, barW0, barL0, orientation); // 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:open.dolphin.impl.lbtest.IgnoreNullLineRenderer.java
/** * Draw a single data item.//from www . j a v a2 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) { int prevColumn = getPreviousNotNullColumn(dataset, row, column - 1); Number previousValue = (prevColumn != -1) ? dataset.getValue(row, prevColumn) : null; if (previousValue != null) { // previous data point... double previous = previousValue.doubleValue(); double x0; if (getUseSeriesOffset()) { x0 = domainAxis.getCategorySeriesMiddle(prevColumn, dataset.getColumnCount(), visibleRow, visibleRowCount, getItemMargin(), dataArea, plot.getDomainAxisEdge()); } else { x0 = domainAxis.getCategoryMiddle(prevColumn, 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:edu.jhuapl.graphs.jfreechart.CategoryLineGraphRenderer.java
/** * Draw a single data item.//from ww w .j a v a2s. com * * @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); } } }