Example usage for java.awt AlphaComposite SRC

Introduction

In this page you can find the example usage for java.awt AlphaComposite SRC_OVER.

Prototype

int SRC_OVER

To view the source code for java.awt AlphaComposite SRC_OVER.

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Document

The source is composited over the destination (Porter-Duff Source Over Destination rule).

Usage

From source file:genlab.gui.jfreechart.EnhancedSpiderWebPlot.java

/**
 * Draws a radar plot polygon.//from w  w w.  j a  va2s  .  c o m
 *
 * @param g2 the graphics device.
 * @param plotArea the area we are plotting in (already adjusted).
 * @param centre the centre point of the radar axes
 * @param info chart rendering info.
 * @param series the series within the dataset we are plotting
 * @param catCount the number of categories per radar plot
 * @param headH the data point height
 * @param headW the data point width
 */
protected void drawRadarPoly(Graphics2D g2, Rectangle2D plotArea, Point2D centre, PlotRenderingInfo info,
        int series, int catCount, double headH, double headW) {

    Polygon polygon = new Polygon();

    EntityCollection entities = null;
    if (info != null) {
        entities = info.getOwner().getEntityCollection();
    }

    // plot the data...
    for (int cat = 0; cat < catCount; cat++) {

        Number dataValue = getPlotValue(series, cat);

        if (dataValue != null) {
            double value = dataValue.doubleValue();

            if (value >= 0) { // draw the polygon series...

                // Finds our starting angle from the centre for this axis

                double angle = getStartAngle()
                        + (getDirection().getFactor() * cat * 360 / (catCount > 2 ? catCount : 3));

                // The following angle calc will ensure there isn't a top
                // vertical axis - this may be useful if you don't want any
                // given criteria to 'appear' move important than the
                // others..
                //  + (getDirection().getFactor()
                //        * (cat + 0.5) * 360 / catCount);

                // find the point at the appropriate distance end point
                // along the axis/angle identified above and add it to the
                // polygon

                Point2D point = getWebPoint(plotArea, angle, value / this.maxValue);
                polygon.addPoint((int) point.getX(), (int) point.getY());

                // put an elipse at the point being plotted..

                Paint paint = getSeriesPaint(series);
                Paint outlinePaint = getSeriesOutlinePaint(series);
                Stroke outlineStroke = getSeriesOutlineStroke(series);

                Ellipse2D head = new Ellipse2D.Double(point.getX() - headW / 2, point.getY() - headH / 2, headW,
                        headH);
                g2.setPaint(paint);
                g2.fill(head);
                g2.setStroke(outlineStroke);
                g2.setPaint(outlinePaint);
                g2.draw(head);

                if (entities != null) {
                    int row = 0;
                    int col = 0;
                    if (this.dataExtractOrder == TableOrder.BY_ROW) {
                        row = series;
                        col = cat;
                    } else {
                        row = cat;
                        col = series;
                    }
                    String tip = null;
                    if (this.toolTipGenerator != null) {
                        tip = this.toolTipGenerator.generateToolTip(this.dataset, row, col);
                    }

                    String url = null;
                    if (this.urlGenerator != null) {
                        url = this.urlGenerator.generateURL(this.dataset, row, col);
                    }

                    Shape area = new Rectangle((int) (point.getX() - headW), (int) (point.getY() - headH),
                            (int) (headW * 2), (int) (headH * 2));
                    CategoryItemEntity entity = new CategoryItemEntity(area, tip, url, this.dataset,
                            this.dataset.getRowKey(row), this.dataset.getColumnKey(col));
                    entities.add(entity);
                }

            }
        }
    }
    // Plot the polygon

    Paint paint = getSeriesPaint(series);
    g2.setPaint(paint);
    g2.setStroke(getSeriesOutlineStroke(series));
    g2.draw(polygon);

    // Lastly, fill the web polygon if this is required

    if (this.webFilled) {
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.1f));
        g2.fill(polygon);
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, getForegroundAlpha()));
    }
}

From source file:genlab.gui.jfreechart.EnhancedSpiderWebPlot.java

/**
 * Draws the label for one axis.//from   w w w.j a  v a2s . c  o m
 *
 * @param g2  the graphics device.
 * @param plotArea  the plot area
 * @param value  the value of the label (ignored).
 * @param cat  the category (zero-based index).
 * @param startAngle  the starting angle.
 * @param extent  the extent of the arc.
 */
protected void drawLabel(Graphics2D g2, Rectangle2D plotArea, double value, int cat, double startAngle,
        double extent) {
    FontRenderContext frc = g2.getFontRenderContext();

    String label = null;
    if (this.dataExtractOrder == TableOrder.BY_ROW) {
        // if series are in rows, then the categories are the column keys
        label = this.labelGenerator.generateColumnLabel(this.dataset, cat);
    } else {
        // if series are in columns, then the categories are the row keys
        label = this.labelGenerator.generateRowLabel(this.dataset, cat);
    }

    Rectangle2D labelBounds = getLabelFont().getStringBounds(label, frc);
    LineMetrics lm = getLabelFont().getLineMetrics(label, frc);
    double ascent = lm.getAscent();

    Point2D labelLocation = calculateLabelLocation(labelBounds, ascent, plotArea, startAngle);

    Composite saveComposite = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f));
    g2.setPaint(getLabelPaint());
    g2.setFont(getLabelFont());
    g2.drawString(label, (float) labelLocation.getX(), (float) labelLocation.getY());
    g2.setComposite(saveComposite);
}

From source file:org.cruk.mga.CreateReport.java

/**
 * Draws the labels for each dataset ID, returning the x coordinate for
 * subsequent drawing for each row.//  www  . ja v a  2 s . co  m
 *
 * @param g2
 * @param offset
 * @param separation
 * @param multiGenomeAlignmentSummaries
 * @return
 */
private int drawLabels(Graphics2D g2, int offset, int separation,
        Collection<MultiGenomeAlignmentSummary> multiGenomeAlignmentSummaries) {
    int n = multiGenomeAlignmentSummaries.size();
    boolean drawNumbers = false;
    if (n > 1) {
        int i = 0;
        for (MultiGenomeAlignmentSummary multiGenomeAlignmentSummary : multiGenomeAlignmentSummaries) {
            i++;
            String datasetId = multiGenomeAlignmentSummary.getDatasetId();
            String datasetDisplayLabel = datasetDisplayLabels.get(datasetId);
            if (!Integer.toString(i).equals(datasetDisplayLabel)) {
                drawNumbers = true;
                break;
            }
        }
    }
    int x = gapSize;
    int y = offset;
    int maxWidth = 0;
    if (drawNumbers) {
        for (int i = 1; i <= n; i++) {
            String s = Integer.toString(i) + ".";
            g2.drawString(s, x, y);
            maxWidth = Math.max(maxWidth, g2.getFontMetrics().stringWidth(s));
            y += separation;
        }
        x += maxWidth + gapSize / 2;
    }
    y = offset;
    maxWidth = 0;
    for (MultiGenomeAlignmentSummary multiGenomeAlignmentSummary : multiGenomeAlignmentSummaries) {
        String datasetId = multiGenomeAlignmentSummary.getDatasetId();
        String datasetDisplayLabel = datasetDisplayLabels.get(datasetId);
        g2.drawString(datasetDisplayLabel, x, y);
        maxWidth = Math.max(maxWidth, g2.getFontMetrics().stringWidth(datasetDisplayLabel));
        y += separation;
    }
    int acceptableWidth = (int) (0.15 * plotWidth);
    if (maxWidth > acceptableWidth) {
        Composite origComposite = g2.getComposite();
        y = offset - g2.getFontMetrics().getHeight() - separation / 4;
        for (int i = 0; i < n; i++) {
            g2.setColor(Color.WHITE);
            g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.8f));
            g2.fillRect(x + acceptableWidth, y, gapSize, separation);
            g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
            g2.fillRect(x + acceptableWidth + gapSize, y, plotWidth - x - acceptableWidth - gapSize,
                    separation);
            y += separation;
        }
        maxWidth = acceptableWidth;
        g2.setComposite(origComposite);
    }
    return x + maxWidth + gapSize;
}

From source file:de.tor.tribes.ui.panels.MinimapPanel.java

private boolean redraw() {
    Village[][] mVisibleVillages = DataHolder.getSingleton().getVillages();

    if (mVisibleVillages == null || mBuffer == null) {
        return false;
    }/* w w w  .ja v  a2 s  . c o m*/

    Graphics2D g2d = (Graphics2D) mBuffer.getGraphics();
    Composite tempC = g2d.getComposite();
    //clear
    g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR));
    g2d.fillRect(0, 0, mBuffer.getWidth(), mBuffer.getHeight());

    //reset composite
    g2d.setComposite(tempC);

    boolean markPlayer = GlobalOptions.getProperties().getBoolean("mark.villages.on.minimap");
    if (ServerSettings.getSingleton().getMapDimension() == null) {
        //could not draw minimap if dimensions are not loaded yet
        return false;
    }
    boolean showBarbarian = GlobalOptions.getProperties().getBoolean("show.barbarian");

    Color DEFAULT = Constants.DS_DEFAULT_MARKER;
    try {
        int mark = Integer.parseInt(GlobalOptions.getProperty("default.mark"));
        if (mark == 0) {
            DEFAULT = Constants.DS_DEFAULT_MARKER;
        } else if (mark == 1) {
            DEFAULT = Color.RED;
        } else if (mark == 2) {
            DEFAULT = Color.WHITE;
        }
    } catch (Exception e) {
        DEFAULT = Constants.DS_DEFAULT_MARKER;
    }

    Rectangle mapDim = ServerSettings.getSingleton().getMapDimension();
    double wField = mapDim.getWidth() / (double) visiblePart.width;
    double hField = mapDim.getHeight() / (double) visiblePart.height;

    UserProfile profile = GlobalOptions.getSelectedProfile();
    Tribe currentTribe = InvalidTribe.getSingleton();
    if (profile != null) {
        currentTribe = profile.getTribe();
    }

    for (int i = visiblePart.x; i < (visiblePart.width + visiblePart.x); i++) {
        for (int j = visiblePart.y; j < (visiblePart.height + visiblePart.y); j++) {
            Village v = mVisibleVillages[i][j];
            if (v != null) {
                Color markerColor = null;
                boolean isLeft = false;
                if (v.getTribe() == Barbarians.getSingleton()) {
                    isLeft = true;
                } else {
                    if ((currentTribe != null) && (v.getTribe().getId() == currentTribe.getId())) {
                        //village is owned by current player. mark it dependent on settings
                        if (markPlayer) {
                            markerColor = Color.YELLOW;
                        }
                    } else {
                        try {
                            Marker marker = MarkerManager.getSingleton().getMarker(v.getTribe());
                            if (marker != null && !marker.isShownOnMap()) {
                                marker = null;
                                markerColor = DEFAULT;
                            }

                            if (marker == null) {
                                marker = MarkerManager.getSingleton().getMarker(v.getTribe().getAlly());
                                if (marker != null && marker.isShownOnMap()) {
                                    markerColor = marker.getMarkerColor();
                                }
                            } else {
                                if (marker.isShownOnMap()) {
                                    markerColor = marker.getMarkerColor();
                                }
                            }
                        } catch (Exception e) {
                            markerColor = null;
                        }
                    }
                }

                if (!isLeft) {
                    if (markerColor != null) {
                        g2d.setColor(markerColor);
                    } else {
                        g2d.setColor(DEFAULT);
                    }
                    g2d.fillRect((int) Math.round((i - visiblePart.x) * wField),
                            (int) Math.round((j - visiblePart.y) * hField), (int) Math.floor(wField),
                            (int) Math.floor(hField));
                } else {
                    if (showBarbarian) {
                        g2d.setColor(Color.LIGHT_GRAY);
                        g2d.fillRect((int) Math.round((i - visiblePart.x) * wField),
                                (int) Math.round((j - visiblePart.y) * hField), (int) Math.floor(wField),
                                (int) Math.floor(hField));
                    }
                }
            }
        }
    }

    try {
        if (GlobalOptions.getProperties().getBoolean("map.showcontinents")) {
            g2d.setColor(Color.BLACK);
            Composite c = g2d.getComposite();
            Composite a = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.4f);
            Font f = g2d.getFont();
            Font t = new Font("Serif", Font.BOLD, (int) Math.round(30 * hField));
            g2d.setFont(t);
            int fact = 10;
            int mid = (int) Math.round(50 * wField);

            for (int i = 0; i < 10; i++) {
                for (int j = 0; j < 10; j++) {
                    g2d.setComposite(a);

                    String conti = "K" + (j * 10 + i);
                    Rectangle2D bounds = g2d.getFontMetrics(t).getStringBounds(conti, g2d);
                    int cx = i * fact * 10 - visiblePart.x;
                    int cy = j * fact * 10 - visiblePart.y;
                    cx = (int) Math.round(cx * wField);
                    cy = (int) Math.round(cy * hField);
                    g2d.drawString(conti, (int) Math.rint(cx + mid - bounds.getWidth() / 2),
                            (int) Math.rint(cy + mid + bounds.getHeight() / 2));
                    g2d.setComposite(c);
                    int wk = 100;
                    int hk = 100;

                    if (i == 9) {
                        wk -= 1;
                    }
                    if (j == 9) {
                        hk -= 1;
                    }

                    g2d.drawRect(cx, cy, (int) Math.round(wk * wField), (int) Math.round(hk * hField));
                }
            }
            g2d.setFont(f);
        }
    } catch (Exception e) {
        logger.error("Creation of Minimap failed", e);
    }
    g2d.dispose();
    return true;
}

From source file:spinworld.gui.RadarPlot.java

/**
 * Draws a radar plot polygon./*from   ww  w. ja  va 2  s .  c  om*/
 *
 * @param g2 the graphics device.
 * @param plotArea the area we are plotting in (already adjusted).
 * @param centre the centre point of the radar axes
 * @param info chart rendering info.
 * @param series the series within the dataset we are plotting
 * @param catCount the number of categories per radar plot
 * @param headH the data point height
 * @param headW the data point width
 */
protected void drawRadarPoly(Graphics2D g2, Rectangle2D plotArea, Point2D centre, PlotRenderingInfo info,
        int series, int catCount, double headH, double headW) {

    Polygon polygon = new Polygon();

    EntityCollection entities = null;
    if (info != null) {
        entities = info.getOwner().getEntityCollection();
    }

    // plot the data...
    for (int cat = 0; cat < catCount; cat++) {

        Number dataValue = getPlotValue(series, cat);

        if (dataValue != null) {
            double value = dataValue.doubleValue();

            // Finds our starting angle from the centre for this axis

            double angle = getStartAngle() + (getDirection().getFactor() * cat * 360 / catCount);

            // The following angle calc will ensure there isn't a top
            // vertical axis - this may be useful if you don't want any
            // given criteria to 'appear' move important than the
            // others..
            //  + (getDirection().getFactor()
            //        * (cat + 0.5) * 360 / catCount);

            // find the point at the appropriate distance end point
            // along the axis/angle identified above and add it to the
            // polygon

            double _maxValue = getMaxValue(cat).doubleValue();
            double _origin = getOrigin(cat).doubleValue();
            double lowerBound = Math.min(_origin, _maxValue);
            double upperBound = Math.max(_origin, _maxValue);
            boolean lesser = value < lowerBound;
            boolean greater = value > upperBound;
            if ((lesser || greater) && !drawOutOfRangePoints) {
                continue;
            }
            if (lesser) {
                value = lowerBound;
            }
            if (greater) {
                value = upperBound;
            }
            double length = _maxValue == _origin ? 0 : (value - lowerBound) / (upperBound - lowerBound);
            if (_maxValue < _origin) { // inversed
                length = 1 - length;
            }
            Point2D point = getWebPoint(plotArea, angle, length);
            polygon.addPoint((int) point.getX(), (int) point.getY());

            Paint paint = getSeriesPaint(series);
            Paint outlinePaint = getSeriesOutlinePaint(series);

            double px = point.getX();
            double py = point.getY();
            g2.setPaint(paint);
            if (lesser || greater) {
                // user crosshair for out-of-range data points distinguish
                g2.setStroke(new BasicStroke(1.5f, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_BEVEL));
                double delta = 3;
                g2.draw(new Line2D.Double(px - delta, py, px + delta, py));
                g2.draw(new Line2D.Double(px, py - delta, px, py + delta));
            } else {
                // put an elipse at the point being plotted..
                Ellipse2D head = new Ellipse2D.Double(px - headW / 2, py - headH / 2, headW, headH);
                g2.fill(head);
                g2.setStroke(getHeadOutlineStroke(series));
                g2.setPaint(outlinePaint);
                g2.draw(head);
            }

            if (entities != null) {
                int row = 0;
                int col = 0;
                if (this.dataExtractOrder == TableOrder.BY_ROW) {
                    row = series;
                    col = cat;
                } else {
                    row = cat;
                    col = series;
                }
                String tip = null;
                if (this.toolTipGenerator != null) {
                    tip = this.toolTipGenerator.generateToolTip(this.dataset, row, col);
                }

                String url = null;
                if (this.urlGenerator != null) {
                    url = this.urlGenerator.generateURL(this.dataset, row, col);
                }

                Shape area = new Rectangle((int) (point.getX() - headW), (int) (point.getY() - headH),
                        (int) (headW * 2), (int) (headH * 2));
                CategoryItemEntity entity = new CategoryItemEntity(area, tip, url, this.dataset,
                        this.dataset.getRowKey(row), this.dataset.getColumnKey(col));
                entities.add(entity);
            }
        }
    }
    // Plot the polygon

    Paint paint = getSeriesPaint(series);
    g2.setPaint(paint);
    g2.setStroke(getSeriesOutlineStroke(series));
    g2.draw(polygon);

    // Lastly, fill the web polygon if this is required

    if (this.webFilled) {
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.1f));
        g2.fill(polygon);
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, getForegroundAlpha()));
    }
}