Examples with RectangleAnchor org.jfree.chart.api.RectangleAnchor used on opensource projects

Example 6 with RectangleAnchor

use of org.jfree.chart.api.RectangleAnchor in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class CrosshairOverlay method drawVerticalCrosshair.

/**
 * Draws a crosshair vertically on the plot.
 *
 * @param g2  the graphics target.
 * @param dataArea  the data area.
 * @param x  the x-value in Java2D space.
 * @param crosshair  the crosshair.
 */
protected void drawVerticalCrosshair(Graphics2D g2, Rectangle2D dataArea, double x, Crosshair crosshair) {
    if (x >= dataArea.getMinX() && x <= dataArea.getMaxX()) {
        Line2D line = new Line2D.Double(x, dataArea.getMinY(), x, dataArea.getMaxY());
        Paint savedPaint = g2.getPaint();
        Stroke savedStroke = g2.getStroke();
        g2.setPaint(crosshair.getPaint());
        g2.setStroke(crosshair.getStroke());
        g2.draw(line);
        if (crosshair.isLabelVisible()) {
            String label = crosshair.getLabelGenerator().generateLabel(crosshair);
            if (label != null && !label.isEmpty()) {
                Font savedFont = g2.getFont();
                g2.setFont(crosshair.getLabelFont());
                RectangleAnchor anchor = crosshair.getLabelAnchor();
                Point2D pt = calculateLabelPoint(line, anchor, crosshair.getLabelXOffset(), crosshair.getLabelYOffset());
                float xx = (float) pt.getX();
                float yy = (float) pt.getY();
                TextAnchor alignPt = textAlignPtForLabelAnchorV(anchor);
                Shape hotspot = TextUtils.calculateRotatedStringBounds(label, g2, xx, yy, alignPt, 0.0, TextAnchor.CENTER);
                if (!dataArea.contains(hotspot.getBounds2D())) {
                    anchor = flipAnchorH(anchor);
                    pt = calculateLabelPoint(line, anchor, crosshair.getLabelXOffset(), crosshair.getLabelYOffset());
                    xx = (float) pt.getX();
                    yy = (float) pt.getY();
                    alignPt = textAlignPtForLabelAnchorV(anchor);
                    hotspot = TextUtils.calculateRotatedStringBounds(label, g2, xx, yy, alignPt, 0.0, TextAnchor.CENTER);
                }
                g2.setPaint(crosshair.getLabelBackgroundPaint());
                g2.fill(hotspot);
                if (crosshair.isLabelOutlineVisible()) {
                    g2.setPaint(crosshair.getLabelOutlinePaint());
                    g2.setStroke(crosshair.getLabelOutlineStroke());
                    g2.draw(hotspot);
                }
                g2.setPaint(crosshair.getLabelPaint());
                TextUtils.drawAlignedString(label, g2, xx, yy, alignPt);
                g2.setFont(savedFont);
            }
        }
        g2.setPaint(savedPaint);
        g2.setStroke(savedStroke);
    }
}

Example 7 with RectangleAnchor

use of org.jfree.chart.api.RectangleAnchor in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class AbstractXYItemRenderer method drawRangeMarker.

/**
 * Draws a line on the chart perpendicular to the y-axis to mark a value
 * or range of values.
 *
 * @param g2  the graphics device.
 * @param plot  the plot.
 * @param rangeAxis  the range axis.
 * @param marker  the marker line.
 * @param dataArea  the axis data area.
 */
@Override
public void drawRangeMarker(Graphics2D g2, XYPlot plot, ValueAxis rangeAxis, Marker marker, Rectangle2D dataArea) {
    if (marker instanceof ValueMarker) {
        ValueMarker vm = (ValueMarker) marker;
        double value = vm.getValue();
        Range range = rangeAxis.getRange();
        if (!range.contains(value)) {
            return;
        }
        double v = rangeAxis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());
        PlotOrientation orientation = plot.getOrientation();
        Line2D line = null;
        switch(orientation) {
            case HORIZONTAL:
                line = new Line2D.Double(v, dataArea.getMinY(), v, dataArea.getMaxY());
                break;
            case VERTICAL:
                line = new Line2D.Double(dataArea.getMinX(), v, dataArea.getMaxX(), v);
                break;
            default:
                throw new IllegalStateException("Unrecognised orientation.");
        }
        final Composite originalComposite = g2.getComposite();
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, marker.getAlpha()));
        g2.setPaint(marker.getPaint());
        g2.setStroke(marker.getStroke());
        g2.draw(line);
        String label = marker.getLabel();
        RectangleAnchor anchor = marker.getLabelAnchor();
        if (label != null) {
            Font labelFont = marker.getLabelFont();
            g2.setFont(labelFont);
            Point2D coords = calculateRangeMarkerTextAnchorPoint(g2, orientation, dataArea, line.getBounds2D(), marker.getLabelOffset(), LengthAdjustmentType.EXPAND, anchor);
            Rectangle2D r = TextUtils.calcAlignedStringBounds(label, g2, (float) coords.getX(), (float) coords.getY(), marker.getLabelTextAnchor());
            g2.setPaint(marker.getLabelBackgroundColor());
            g2.fill(r);
            g2.setPaint(marker.getLabelPaint());
            TextUtils.drawAlignedString(label, g2, (float) coords.getX(), (float) coords.getY(), marker.getLabelTextAnchor());
        }
        g2.setComposite(originalComposite);
    } else if (marker instanceof IntervalMarker) {
        IntervalMarker im = (IntervalMarker) marker;
        double start = im.getStartValue();
        double end = im.getEndValue();
        Range range = rangeAxis.getRange();
        if (!(range.intersects(start, end))) {
            return;
        }
        double start2d = rangeAxis.valueToJava2D(start, dataArea, plot.getRangeAxisEdge());
        double end2d = rangeAxis.valueToJava2D(end, dataArea, plot.getRangeAxisEdge());
        double low = Math.min(start2d, end2d);
        double high = Math.max(start2d, end2d);
        PlotOrientation orientation = plot.getOrientation();
        Rectangle2D rect = null;
        if (orientation == PlotOrientation.HORIZONTAL) {
            // clip left and right bounds to data area
            low = Math.max(low, dataArea.getMinX());
            high = Math.min(high, dataArea.getMaxX());
            rect = new Rectangle2D.Double(low, dataArea.getMinY(), high - low, dataArea.getHeight());
        } else if (orientation == PlotOrientation.VERTICAL) {
            // clip top and bottom bounds to data area
            low = Math.max(low, dataArea.getMinY());
            high = Math.min(high, dataArea.getMaxY());
            rect = new Rectangle2D.Double(dataArea.getMinX(), low, dataArea.getWidth(), high - low);
        }
        final Composite originalComposite = g2.getComposite();
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, marker.getAlpha()));
        Paint p = marker.getPaint();
        if (p instanceof GradientPaint) {
            GradientPaint gp = (GradientPaint) p;
            GradientPaintTransformer t = im.getGradientPaintTransformer();
            if (t != null) {
                gp = t.transform(gp, rect);
            }
            g2.setPaint(gp);
        } else {
            g2.setPaint(p);
        }
        g2.fill(rect);
        // now draw the outlines, if visible...
        if (im.getOutlinePaint() != null && im.getOutlineStroke() != null) {
            if (orientation == PlotOrientation.VERTICAL) {
                Line2D line = new Line2D.Double();
                double x0 = dataArea.getMinX();
                double x1 = dataArea.getMaxX();
                g2.setPaint(im.getOutlinePaint());
                g2.setStroke(im.getOutlineStroke());
                if (range.contains(start)) {
                    line.setLine(x0, start2d, x1, start2d);
                    g2.draw(line);
                }
                if (range.contains(end)) {
                    line.setLine(x0, end2d, x1, end2d);
                    g2.draw(line);
                }
            } else {
                // PlotOrientation.HORIZONTAL
                Line2D line = new Line2D.Double();
                double y0 = dataArea.getMinY();
                double y1 = dataArea.getMaxY();
                g2.setPaint(im.getOutlinePaint());
                g2.setStroke(im.getOutlineStroke());
                if (range.contains(start)) {
                    line.setLine(start2d, y0, start2d, y1);
                    g2.draw(line);
                }
                if (range.contains(end)) {
                    line.setLine(end2d, y0, end2d, y1);
                    g2.draw(line);
                }
            }
        }
        String label = marker.getLabel();
        RectangleAnchor anchor = marker.getLabelAnchor();
        if (label != null) {
            Font labelFont = marker.getLabelFont();
            g2.setFont(labelFont);
            Point2D coords = calculateRangeMarkerTextAnchorPoint(g2, orientation, dataArea, rect, marker.getLabelOffset(), marker.getLabelOffsetType(), anchor);
            Rectangle2D r = TextUtils.calcAlignedStringBounds(label, g2, (float) coords.getX(), (float) coords.getY(), marker.getLabelTextAnchor());
            g2.setPaint(marker.getLabelBackgroundColor());
            g2.fill(r);
            g2.setPaint(marker.getLabelPaint());
            TextUtils.drawAlignedString(label, g2, (float) coords.getX(), (float) coords.getY(), marker.getLabelTextAnchor());
        }
        g2.setComposite(originalComposite);
    }
}