Examples with AxisState org.jfree.chart.axis.AxisState used on opensource projects

Example 11 with AxisState

use of org.jfree.chart.axis.AxisState in project SIMVA-SoS by SESoS.

the class CategoryPlot method draw.

/**
 * Draws the plot on a Java 2D graphics device (such as the screen or a
 * printer).
 * <P>
 * At your option, you may supply an instance of {@link PlotRenderingInfo}.
 * If you do, it will be populated with information about the drawing,
 * including various plot dimensions and tooltip info.
 *
 * @param g2  the graphics device.
 * @param area  the area within which the plot (including axes) should
 *              be drawn.
 * @param anchor  the anchor point (<code>null</code> permitted).
 * @param parentState  the state from the parent plot, if there is one.
 * @param state  collects info as the chart is drawn (possibly
 *               <code>null</code>).
 */
@Override
public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor, PlotState parentState, PlotRenderingInfo state) {
    // if the plot area is too small, just return...
    boolean b1 = (area.getWidth() <= MINIMUM_WIDTH_TO_DRAW);
    boolean b2 = (area.getHeight() <= MINIMUM_HEIGHT_TO_DRAW);
    if (b1 || b2) {
        return;
    }
    // record the plot area...
    if (state == null) {
        // if the incoming state is null, no information will be passed
        // back to the caller - but we create a temporary state to record
        // the plot area, since that is used later by the axes
        state = new PlotRenderingInfo(null);
    }
    state.setPlotArea(area);
    // adjust the drawing area for the plot insets (if any)...
    RectangleInsets insets = getInsets();
    insets.trim(area);
    // calculate the data area...
    AxisSpace space = calculateAxisSpace(g2, area);
    Rectangle2D dataArea = space.shrink(area, null);
    this.axisOffset.trim(dataArea);
    dataArea = integerise(dataArea);
    if (dataArea.isEmpty()) {
        return;
    }
    state.setDataArea(dataArea);
    createAndAddEntity((Rectangle2D) dataArea.clone(), state, null, null);
    // default background...
    if (getRenderer() != null) {
        getRenderer().drawBackground(g2, this, dataArea);
    } else {
        drawBackground(g2, dataArea);
    }
    Map axisStateMap = drawAxes(g2, area, dataArea, state);
    // clicked - the crosshairs will be driven off this point...
    if (anchor != null && !dataArea.contains(anchor)) {
        anchor = ShapeUtilities.getPointInRectangle(anchor.getX(), anchor.getY(), dataArea);
    }
    CategoryCrosshairState crosshairState = new CategoryCrosshairState();
    crosshairState.setCrosshairDistance(Double.POSITIVE_INFINITY);
    crosshairState.setAnchor(anchor);
    // specify the anchor X and Y coordinates in Java2D space, for the
    // cases where these are not updated during rendering (i.e. no lock
    // on data)
    crosshairState.setAnchorX(Double.NaN);
    crosshairState.setAnchorY(Double.NaN);
    if (anchor != null) {
        ValueAxis rangeAxis = getRangeAxis();
        if (rangeAxis != null) {
            double y;
            if (getOrientation() == PlotOrientation.VERTICAL) {
                y = rangeAxis.java2DToValue(anchor.getY(), dataArea, getRangeAxisEdge());
            } else {
                y = rangeAxis.java2DToValue(anchor.getX(), dataArea, getRangeAxisEdge());
            }
            crosshairState.setAnchorY(y);
        }
    }
    crosshairState.setRowKey(getDomainCrosshairRowKey());
    crosshairState.setColumnKey(getDomainCrosshairColumnKey());
    crosshairState.setCrosshairY(getRangeCrosshairValue());
    // don't let anyone draw outside the data area
    Shape savedClip = g2.getClip();
    g2.clip(dataArea);
    drawDomainGridlines(g2, dataArea);
    AxisState rangeAxisState = (AxisState) axisStateMap.get(getRangeAxis());
    if (rangeAxisState == null) {
        if (parentState != null) {
            rangeAxisState = (AxisState) parentState.getSharedAxisStates().get(getRangeAxis());
        }
    }
    if (rangeAxisState != null) {
        drawRangeGridlines(g2, dataArea, rangeAxisState.getTicks());
        drawZeroRangeBaseline(g2, dataArea);
    }
    Graphics2D savedG2 = g2;
    BufferedImage dataImage = null;
    boolean suppressShadow = Boolean.TRUE.equals(g2.getRenderingHint(JFreeChart.KEY_SUPPRESS_SHADOW_GENERATION));
    if (this.shadowGenerator != null && !suppressShadow) {
        dataImage = new BufferedImage((int) dataArea.getWidth(), (int) dataArea.getHeight(), BufferedImage.TYPE_INT_ARGB);
        g2 = dataImage.createGraphics();
        g2.translate(-dataArea.getX(), -dataArea.getY());
        g2.setRenderingHints(savedG2.getRenderingHints());
    }
    // draw the markers...
    for (CategoryItemRenderer renderer : this.renderers.values()) {
        int i = getIndexOf(renderer);
        drawDomainMarkers(g2, dataArea, i, Layer.BACKGROUND);
    }
    for (CategoryItemRenderer renderer : this.renderers.values()) {
        int i = getIndexOf(renderer);
        drawRangeMarkers(g2, dataArea, i, Layer.BACKGROUND);
    }
    // now render data items...
    boolean foundData = false;
    // set up the alpha-transparency...
    Composite originalComposite = g2.getComposite();
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, getForegroundAlpha()));
    DatasetRenderingOrder order = getDatasetRenderingOrder();
    List<Integer> datasetIndices = getDatasetIndices(order);
    for (int i : datasetIndices) {
        foundData = render(g2, dataArea, i, state, crosshairState) || foundData;
    }
    // draw the foreground markers...
    List<Integer> rendererIndices = getRendererIndices(order);
    for (int i : rendererIndices) {
        drawDomainMarkers(g2, dataArea, i, Layer.FOREGROUND);
    }
    for (int i : rendererIndices) {
        drawRangeMarkers(g2, dataArea, i, Layer.FOREGROUND);
    }
    // draw the annotations (if any)...
    drawAnnotations(g2, dataArea);
    if (this.shadowGenerator != null && !suppressShadow) {
        BufferedImage shadowImage = this.shadowGenerator.createDropShadow(dataImage);
        g2 = savedG2;
        g2.drawImage(shadowImage, (int) dataArea.getX() + this.shadowGenerator.calculateOffsetX(), (int) dataArea.getY() + this.shadowGenerator.calculateOffsetY(), null);
        g2.drawImage(dataImage, (int) dataArea.getX(), (int) dataArea.getY(), null);
    }
    g2.setClip(savedClip);
    g2.setComposite(originalComposite);
    if (!foundData) {
        drawNoDataMessage(g2, dataArea);
    }
    int datasetIndex = crosshairState.getDatasetIndex();
    setCrosshairDatasetIndex(datasetIndex, false);
    // draw domain crosshair if required...
    Comparable rowKey = crosshairState.getRowKey();
    Comparable columnKey = crosshairState.getColumnKey();
    setDomainCrosshairRowKey(rowKey, false);
    setDomainCrosshairColumnKey(columnKey, false);
    if (isDomainCrosshairVisible() && columnKey != null) {
        Paint paint = getDomainCrosshairPaint();
        Stroke stroke = getDomainCrosshairStroke();
        drawDomainCrosshair(g2, dataArea, this.orientation, datasetIndex, rowKey, columnKey, stroke, paint);
    }
    // draw range crosshair if required...
    ValueAxis yAxis = getRangeAxisForDataset(datasetIndex);
    RectangleEdge yAxisEdge = getRangeAxisEdge();
    if (!this.rangeCrosshairLockedOnData && anchor != null) {
        double yy;
        if (getOrientation() == PlotOrientation.VERTICAL) {
            yy = yAxis.java2DToValue(anchor.getY(), dataArea, yAxisEdge);
        } else {
            yy = yAxis.java2DToValue(anchor.getX(), dataArea, yAxisEdge);
        }
        crosshairState.setCrosshairY(yy);
    }
    setRangeCrosshairValue(crosshairState.getCrosshairY(), false);
    if (isRangeCrosshairVisible()) {
        double y = getRangeCrosshairValue();
        Paint paint = getRangeCrosshairPaint();
        Stroke stroke = getRangeCrosshairStroke();
        drawRangeCrosshair(g2, dataArea, getOrientation(), y, yAxis, stroke, paint);
    }
    // draw an outline around the plot area...
    if (isOutlineVisible()) {
        if (getRenderer() != null) {
            getRenderer().drawOutline(g2, this, dataArea);
        } else {
            drawOutline(g2, dataArea);
        }
    }
}

Example 12 with AxisState

use of org.jfree.chart.axis.AxisState in project SIMVA-SoS by SESoS.

the class CombinedDomainCategoryPlot method draw.

/**
 * Draws the plot on a Java 2D graphics device (such as the screen or a
 * printer).  Will perform all the placement calculations for each of the
 * sub-plots and then tell these to draw themselves.
 *
 * @param g2  the graphics device.
 * @param area  the area within which the plot (including axis labels)
 *              should be drawn.
 * @param anchor  the anchor point (<code>null</code> permitted).
 * @param parentState  the state from the parent plot, if there is one.
 * @param info  collects information about the drawing (<code>null</code>
 *              permitted).
 */
@Override
public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor, PlotState parentState, PlotRenderingInfo info) {
    // set up info collection...
    if (info != null) {
        info.setPlotArea(area);
    }
    // adjust the drawing area for plot insets (if any)...
    RectangleInsets insets = getInsets();
    area.setRect(area.getX() + insets.getLeft(), area.getY() + insets.getTop(), area.getWidth() - insets.getLeft() - insets.getRight(), area.getHeight() - insets.getTop() - insets.getBottom());
    // calculate the data area...
    setFixedRangeAxisSpaceForSubplots(null);
    AxisSpace space = calculateAxisSpace(g2, area);
    Rectangle2D dataArea = space.shrink(area, null);
    // set the width and height of non-shared axis of all sub-plots
    setFixedRangeAxisSpaceForSubplots(space);
    // draw the shared axis
    CategoryAxis axis = getDomainAxis();
    RectangleEdge domainEdge = getDomainAxisEdge();
    double cursor = RectangleEdge.coordinate(dataArea, domainEdge);
    AxisState axisState = axis.draw(g2, cursor, area, dataArea, domainEdge, info);
    if (parentState == null) {
        parentState = new PlotState();
    }
    parentState.getSharedAxisStates().put(axis, axisState);
    // draw all the subplots
    for (int i = 0; i < this.subplots.size(); i++) {
        CategoryPlot plot = (CategoryPlot) this.subplots.get(i);
        PlotRenderingInfo subplotInfo = null;
        if (info != null) {
            subplotInfo = new PlotRenderingInfo(info.getOwner());
            info.addSubplotInfo(subplotInfo);
        }
        Point2D subAnchor = null;
        if (anchor != null && this.subplotAreas[i].contains(anchor)) {
            subAnchor = anchor;
        }
        plot.draw(g2, this.subplotAreas[i], subAnchor, parentState, subplotInfo);
    }
    if (info != null) {
        info.setDataArea(dataArea);
    }
}