Example usage for java.awt Graphics2D draw

List of usage examples for java.awt Graphics2D draw

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Introduction

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

Prototype

public abstract void draw(Shape s);

Source Link

Document

Strokes the outline of a Shape using the settings of the current Graphics2D context.

Usage

From source file:org.pentaho.reporting.designer.core.editor.report.AbstractRenderComponent.java

protected void paintGrid(final Graphics2D g2d) {
    if (WorkspaceSettings.getInstance().isShowGrid()) {
        final float scaleFactor = getRenderContext().getZoomModel().getZoomAsPercentage();
        final double gridSize = getGridSize() * scaleFactor;
        if (gridSize < 1) {
            return;
        }//from w  w w .  ja v  a 2 s.  c  o m

        final int gridDivisions = Math.max(1, getGridDivisions());

        final Color primaryColor = WorkspaceSettings.getInstance().getGridColor();
        final Color secondaryColor = ColorUtility.convertToBrighter(primaryColor);
        // draw vertical lines
        g2d.setStroke(new BasicStroke(.1f));
        int horizontalLineCount = 0;
        final Line2D.Double line = new Line2D.Double();
        final double gridHeight = getHeight();
        final double gridWidth = getWidth();
        for (double w = gridSize; w < gridWidth; w += gridSize) {
            if (horizontalLineCount % gridDivisions == gridDivisions - 1) {
                g2d.setColor(primaryColor);
            } else {
                g2d.setColor(secondaryColor);
            }
            horizontalLineCount++;
            line.setLine(w, 0, w, gridHeight);
            g2d.draw(line);
        }

        // draw horizontal lines
        int verticalLineCount = 0;
        for (double h = gridSize; h < gridHeight; h += gridSize) {
            if (verticalLineCount % gridDivisions == gridDivisions - 1) {
                g2d.setColor(primaryColor);
            } else {
                g2d.setColor(secondaryColor);
            }
            verticalLineCount++;
            line.setLine(0, h, gridWidth, h);
            g2d.draw(line);
        }
    }
}

From source file:com.controlj.addon.gwttree.server.OpaqueBarRenderer3D.java

/**<!====== drawItem ======================================================>
   Draws a 3D bar to represent one data item.
   <!      Name       Description>
   @param  g2         the graphics device.
   @param  state      the renderer state.
   @param  dataArea   the area for plotting the data.
   @param  plot       the plot.//from w w  w  .  j  a  v  a  2 s .c o  m
   @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) {

    // check the value we are plotting...
    Number dataValue = dataset.getValue(row, column);
    if (dataValue == null) {
        return;
    }

    g2.setStroke(new BasicStroke(1));
    double value = dataValue.doubleValue();

    Rectangle2D adjusted = new Rectangle2D.Double(dataArea.getX(), dataArea.getY() + getYOffset(),
            dataArea.getWidth() - getXOffset(), dataArea.getHeight() - getYOffset());

    PlotOrientation orientation = plot.getOrientation();

    double barW0 = calculateBarW0(plot, orientation, adjusted, 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], adjusted, edge);
    double transL1 = rangeAxis.valueToJava2D(barL0L1[1], adjusted, edge);
    double barL0 = Math.min(transL0, transL1);
    double barLength = Math.abs(transL1 - transL0);

    // draw the bar...
    Rectangle2D bar = null;
    if (orientation == PlotOrientation.HORIZONTAL) {
        bar = new Rectangle2D.Double(barL0, barW0, barLength, state.getBarWidth());
    } else {
        bar = new Rectangle2D.Double(barW0, barL0, state.getBarWidth(), barLength);
    }
    Paint itemPaint = getItemPaint(row, column);
    if (itemPaint instanceof Color) {
        Color endColor = getFrontDark((Color) itemPaint);
        Color startColor = (Color) itemPaint;
        Paint paint = new GradientPaint((float) bar.getX(), (float) bar.getY(), startColor,
                (float) (bar.getX()), (float) (bar.getY() + bar.getHeight()), endColor);
        g2.setPaint(paint);
    }
    g2.fill(bar);

    double x0 = bar.getMinX(); // left
    double x1 = x0 + getXOffset(); // offset left
    double x2 = bar.getMaxX(); // right
    double x3 = x2 + getXOffset(); // offset right

    double y0 = bar.getMinY() - getYOffset(); // offset top
    double y1 = bar.getMinY(); // bar top
    double y2 = bar.getMaxY() - getYOffset(); // offset bottom
    double y3 = bar.getMaxY(); // bottom

    //Rectangle2D.Double line = new Rectangle2D.Double(x2, y1, 2, bar.getHeight());

    Line2D.Double line = new Line2D.Double(x2, y1, x2, y3);
    g2.draw(line);

    GeneralPath bar3dRight = null;
    GeneralPath bar3dTop = null;
    g2.setPaint(itemPaint);

    // Draw the right side
    if (barLength > 0.0) {
        bar3dRight = new GeneralPath();
        bar3dRight.moveTo((float) x2, (float) y3);
        bar3dRight.lineTo((float) x2, (float) y1);
        bar3dRight.lineTo((float) x3, (float) y0);
        bar3dRight.lineTo((float) x3, (float) y2);
        bar3dRight.closePath();

        if (itemPaint instanceof Color) {
            Color startColor = getSideLight((Color) itemPaint);
            Color endColor = getSideDark((Color) itemPaint);
            Paint paint = new GradientPaint((float) x3, (float) y0, startColor, (float) x2, (float) y3,
                    endColor);
            g2.setPaint(paint);
        }
        g2.fill(bar3dRight);
    }

    // Draw the top
    bar3dTop = new GeneralPath();
    bar3dTop.moveTo((float) x0, (float) y1); // bottom left
    bar3dTop.lineTo((float) x1, (float) y0); // top left
    bar3dTop.lineTo((float) x3, (float) y0); // top right
    bar3dTop.lineTo((float) x2, (float) y1); // bottom right
    bar3dTop.closePath();
    if (itemPaint instanceof Color) {
        Color endColor = getTopDark((Color) itemPaint);
        Color startColor = getTopLight((Color) itemPaint);
        //Paint paint = new GradientPaint((float)x2, (float)y0, startColor, (float)x0, (float)(y1), endColor);
        Point2D.Double topRight = new Point2D.Double(x3, y0);
        Point2D.Double bottomLeft = new Point2D.Double(x0, y1);
        //Point2D.Double darkEnd = getTargetPoint(bottomLeft, topRight, ((y0-y1)/(x3-x2)));
        Point2D.Double darkEnd = new Point2D.Double(x1, y0 - (x3 - x1) * ((y0 - y1) / (x3 - x2)));
        Paint paint = new GradientPaint((float) topRight.getX(), (float) topRight.getY(), startColor,
                (float) darkEnd.getX(), (float) darkEnd.getY(), endColor);
        g2.setPaint(paint);
        //drawMarker(topRight, g2, startColor);
    }
    g2.fill(bar3dTop);
    g2.setPaint(itemPaint);

    if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) {
        g2.setStroke(getItemOutlineStroke(row, column));
        g2.setPaint(getItemOutlinePaint(row, column));
        g2.draw(bar);
        if (bar3dRight != null) {
            g2.draw(bar3dRight);
        }
        if (bar3dTop != null) {
            g2.draw(bar3dTop);
        }
    }

    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) {
        GeneralPath barOutline = new GeneralPath();
        barOutline.moveTo((float) x0, (float) y3);
        barOutline.lineTo((float) x0, (float) y1);
        barOutline.lineTo((float) x1, (float) y0);
        barOutline.lineTo((float) x3, (float) y0);
        barOutline.lineTo((float) x3, (float) y2);
        barOutline.lineTo((float) x2, (float) y3);
        barOutline.closePath();
        addItemEntity(entities, dataset, row, column, barOutline);
    }

}

From source file:longMethod.jfreechart.drawItem.SamplingXYLineRenderer.java

/**
 * Draws the visual representation of a single data item.
 *
 * @param g2  the graphics device.//from w  ww .j  a va2 s .  c  om
 * @param state  the renderer state.
 * @param dataArea  the area within which the data is being drawn.
 * @param info  collects information about the drawing.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 * @param crosshairState  crosshair information for the plot
 *                        (<code>null</code> permitted).
 * @param pass  the pass index.
 */
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) {

    // do nothing if item is not visible
    if (!getItemVisible(series, item)) {
        return;
    }
    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();

    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);

    State s = (State) state;
    // update path to reflect latest point
    if (!Double.isNaN(transX1) && !Double.isNaN(transY1)) {
        float x = (float) transX1;
        float y = (float) transY1;
        PlotOrientation orientation = plot.getOrientation();
        if (orientation == PlotOrientation.HORIZONTAL) {
            x = (float) transY1;
            y = (float) transX1;
        }
        if (s.lastPointGood) {
            if ((Math.abs(x - s.lastX) > s.dX)) {
                s.seriesPath.lineTo(x, y);
                if (s.lowY < s.highY) {
                    s.intervalPath.moveTo((float) s.lastX, (float) s.lowY);
                    s.intervalPath.lineTo((float) s.lastX, (float) s.highY);
                }
                s.lastX = x;
                s.openY = y;
                s.highY = y;
                s.lowY = y;
                s.closeY = y;
            } else {
                s.highY = Math.max(s.highY, y);
                s.lowY = Math.min(s.lowY, y);
                s.closeY = y;
            }
        } else {
            s.seriesPath.moveTo(x, y);
            s.lastX = x;
            s.openY = y;
            s.highY = y;
            s.lowY = y;
            s.closeY = y;
        }
        s.lastPointGood = true;
    } else {
        s.lastPointGood = false;
    }
    // if this is the last item, draw the path ...
    if (item == s.getLastItemIndex()) {
        // draw path
        PathIterator pi = s.seriesPath.getPathIterator(null);
        int count = 0;
        while (!pi.isDone()) {
            count++;
            pi.next();
        }
        g2.setStroke(getItemStroke(series, item));
        g2.setPaint(getItemPaint(series, item));
        g2.draw(s.seriesPath);
        g2.draw(s.intervalPath);
    }
}

From source file:com.rapidminer.gui.plotter.charts.AbstractChartPanel.java

/**
 * Draws a vertical line used to trace the mouse position to the horizontal axis.
 * /*from   ww w  . j av a 2s.c o  m*/
 * @param g2
 *            the graphics device.
 * @param x
 *            the x-coordinate of the trace line.
 */
private void drawHorizontalAxisTrace(Graphics2D g2, int x) {

    Rectangle2D dataArea = getScreenDataArea();

    g2.setXORMode(Color.orange);
    if ((int) dataArea.getMinX() < x && x < (int) dataArea.getMaxX()) {

        if (this.verticalTraceLine != null) {
            g2.draw(this.verticalTraceLine);
            this.verticalTraceLine.setLine(x, (int) dataArea.getMinY(), x, (int) dataArea.getMaxY());
        } else {
            this.verticalTraceLine = new Line2D.Float(x, (int) dataArea.getMinY(), x, (int) dataArea.getMaxY());
        }
        g2.draw(this.verticalTraceLine);
    }

    // Reset to the default 'overwrite' mode
    g2.setPaintMode();
}

From source file:com.rapidminer.gui.plotter.charts.AbstractChartPanel.java

/**
 * Draws a horizontal line used to trace the mouse position to the vertical axis.
 * /* w w  w  . ja  va  2  s  .  co  m*/
 * @param g2
 *            the graphics device.
 * @param y
 *            the y-coordinate of the trace line.
 */
private void drawVerticalAxisTrace(Graphics2D g2, int y) {

    Rectangle2D dataArea = getScreenDataArea();

    g2.setXORMode(Color.orange);
    if ((int) dataArea.getMinY() < y && y < (int) dataArea.getMaxY()) {

        if (this.horizontalTraceLine != null) {
            g2.draw(this.horizontalTraceLine);
            this.horizontalTraceLine.setLine((int) dataArea.getMinX(), y, (int) dataArea.getMaxX(), y);
        } else {
            this.horizontalTraceLine = new Line2D.Float((int) dataArea.getMinX(), y, (int) dataArea.getMaxX(),
                    y);
        }
        g2.draw(this.horizontalTraceLine);
    }

    // Reset to the default 'overwrite' mode
    g2.setPaintMode();
}

From source file:org.photovault.swingui.PhotoCollectionThumbView.java

@Override
public void paint(Graphics g) {
    super.paint(g);
    Graphics2D g2 = (Graphics2D) g;
    Rectangle clipRect = g.getClipBounds();
    Dimension compSize = getSize();
    // columnCount = (int)(compSize.getWidth()/columnWidth);

    int photoCount = 0;
    if (photos != null) {
        photoCount = photos.size();/*from ww w  . j  a  v  a2 s .c om*/
    }

    // Determine the grid size based on couln & row count
    columnsToPaint = columnCount;
    // if columnCount is not specified determine it based on row count
    if (columnCount < 0) {
        if (rowCount > 0) {
            columnsToPaint = photoCount / rowCount;
            if (columnsToPaint * rowCount < photoCount) {
                columnsToPaint++;
            }
        } else {
            columnsToPaint = (int) (compSize.getWidth() / columnWidth);
        }
    }

    int col = 0;
    int row = 0;
    Rectangle thumbRect = new Rectangle();

    for (PhotoInfo photo : photos) {
        thumbRect.setBounds(col * columnWidth, row * rowHeight, columnWidth, rowHeight);
        if (thumbRect.intersects(clipRect)) {
            if (photo != null) {
                paintThumbnail(g2, photo, col * columnWidth, row * rowHeight, selection.contains(photo));
            }
        }
        col++;
        if (col >= columnsToPaint) {
            row++;
            col = 0;
        }
    }

    // Paint the selection rectangle if needed
    if (dragSelectionRect != null) {
        Stroke prevStroke = g2.getStroke();
        Color prevColor = g2.getColor();
        g2.setStroke(new BasicStroke(1.0f));
        g2.setColor(Color.BLACK);
        g2.draw(dragSelectionRect);
        g2.setColor(prevColor);
        g2.setStroke(prevStroke);
        lastDragSelectionRect = dragSelectionRect;
    }
}

From source file:org.earthtime.UPb_Redux.dateInterpretation.WeightedMeanGraphPanel.java

private void drawAxesAndTicks(Graphics2D g2d, double rangeX, double rangeY) {

    // oct 2014 new tic logic
    // reset the clip bounds to paint axis and numbers
    g2d.setClip(0, 0, getWidth(), getHeight());

    g2d.setFont(new Font("Monospaced", Font.BOLD, 14));
    g2d.setPaint(Color.BLACK);/*from ww  w.jav  a2 s.co  m*/
    g2d.setStroke(new BasicStroke(2.0f));

    // determine the axis ticks
    BigDecimal[] tics = TicGeneratorForAxes.generateTics(getMinY_Display(), getMaxY_Display(), 12);
    // trap for bad plot
    if (tics.length <= 1) {
        tics = new BigDecimal[0];
    }
    double minXDisplay = 0.0;
    int yAxisTicWidth = 8;
    int yTicLabelFrequency = 2;
    int labeledTicCountYAxis = 0;

    g2d.setPaint(Color.black);
    for (int i = 0; i < tics.length; i++) {

        double y = tics[i].doubleValue();

        if ((y > getMinY_Display()) // dont print across mappedX axis
                && (y < getMaxY_Display())) // dont print across top border
        {
            try {
                Shape ticMark = new Line2D.Double( //
                        mapX(getMinX_Display(), getMinX_Display(), rangeX, graphWidth),
                        mapY(y, getMaxY_Display(), rangeY, graphHeight),
                        mapX(getMinX_Display(), getMinX_Display(), rangeX, graphWidth) + 7,
                        mapY(y, getMaxY_Display(), rangeY, graphHeight));
                g2d.draw(ticMark);

                String intString = "00000" + tics[i].toPlainString().replace(".", "");
                int lastPlace = Integer.parseInt(intString.substring(intString.length() - 4));

                if (lastPlace % yTicLabelFrequency == 0) {
                    if (labeledTicCountYAxis % yTicLabelFrequency == 0) {

                        TextLayout mLayout = //
                                new TextLayout(tics[i].toPlainString(), g2d.getFont(),
                                        g2d.getFontRenderContext());

                        Rectangle2D bounds = mLayout.getBounds();

                        //if (isyAxisHorizontalTicLabels()) {
                        //                            g2d.drawString(tics[i].toPlainString(),//
                        //                                    (float) mapX(getMinX_Display(), getMinX_Display(), rangeX, graphWidth) - 4f,
                        //                                    (float) mapY(y, getMaxY_Display(), rangeY, graphHeight) + 30f);
                        //                            } else {
                        float yLabelCenterOffset = (float) mLayout.getBounds().getWidth() / 2f;

                        g2d.rotate(-Math.PI / 2.0,
                                (float) mapX(getMinX_Display(), getMinX_Display(), rangeX, graphWidth) - 4f,
                                (float) mapY(y, getMaxY_Display(), rangeY, graphHeight) + yLabelCenterOffset);
                        g2d.drawString(tics[i].toPlainString(),
                                (float) mapX(getMinX_Display(), getMinX_Display(), rangeX, graphWidth) - 4f,
                                (float) mapY(y, getMaxY_Display(), rangeY, graphHeight) + yLabelCenterOffset);
                        g2d.rotate(Math.PI / 2.0,
                                (float) mapX(getMinX_Display(), getMinX_Display(), rangeX, graphWidth) - 4f,
                                (float) mapY(y, getMaxY_Display(), rangeY, graphHeight) + yLabelCenterOffset);
                    }

                    labeledTicCountYAxis++;
                } else {

                    if (labeledTicCountYAxis > 0) {
                        labeledTicCountYAxis++;
                    }
                }
            } catch (Exception e) {
            }
        }
    }

    ////        // reset the clip bounds to paint axis and numbers
    ////        g2d.setClip(0, 0, getWidth(), getHeight());
    ////
    ////        g2d.setFont(new Font("Monospaced", Font.BOLD, 14));
    ////        g2d.setPaint(Color.BLACK);
    ////        g2d.setStroke(new BasicStroke(2.0f));
    ////
    ////        // determine the axis ticks
    ////        double minYtick = Math.ceil(getMinY_Display() * 100) / 100;
    ////        double maxYtick = Math.floor(getMaxY_Display() * 100) / 100;
    ////
    ////        int count = 0;
    ////        double deltay = Math.rint((maxYtick - minYtick) * 10 + 0.5);
    ////        double stepYtick = deltay / 100;
    ////
    ////        for (double y = minYtick; y
    ////                < maxYtick; y
    ////                += stepYtick) {
    ////            Line2D line = new Line2D.Double(
    ////                    mapX(getMinX_Display(), getMinX_Display(), rangeX, graphWidth),
    ////                    mapY(y, getMaxY_Display(), rangeY, graphHeight),
    ////                    mapX(getMinX_Display(), getMinX_Display(), rangeX, graphWidth) + 7,
    ////                    mapY(y, getMaxY_Display(), rangeY, graphHeight));
    ////            g2d.draw(line);
    ////
    ////            if ((count % 2) == 1) {
    ////                NumberFormat yFormat = null;
    ////                String temp = null;
    ////
    ////                yFormat
    ////                        = new DecimalFormat("0.00");
    ////                temp
    ////                        = yFormat.format(y);
    ////
    ////                g2d.setPaint(Color.black);
    ////                g2d.rotate(
    ////                        -Math.PI / 2.0,
    ////                        (float) mapX(getMinX_Display(), getMinX_Display(), rangeX, graphWidth) - 4f,
    ////                        (float) mapY(y, getMaxY_Display(), rangeY, graphHeight) + 30f);
    ////                g2d.drawString(
    ////                        temp,
    ////                        (float) mapX(getMinX_Display(), getMinX_Display(), rangeX, graphWidth) - 4f,
    ////                        (float) mapY(y, getMaxY_Display(), rangeY, graphHeight) + 30f);
    ////                g2d.rotate(
    ////                        Math.PI / 2.0,
    ////                        (float) mapX(getMinX_Display(), getMinX_Display(), rangeX, graphWidth) - 4f,
    ////                        (float) mapY(y, getMaxY_Display(), rangeY, graphHeight) + 30f);
    ////
    ////            }
    ////
    ////            count++;
    ////
    ////        }
    // draw and label axes
    g2d.setFont(new Font("Monospaced", Font.BOLD, 20));
    g2d.drawRect(getLeftMargin(), getTopMargin(), getGraphWidth() - 1, getGraphHeight() - 1);

}

From source file:com.rapidminer.gui.plotter.charts.AbstractChartPanel.java

/**
 * Draws zoom rectangle (if present). The drawing is performed in XOR mode, therefore when this
 * method is called twice in a row, the second call will completely restore the state of the
 * canvas.//from   ww w.j a  va2 s . c o  m
 * 
 * @param g2
 *            the graphics device.
 * @param xor
 *            use XOR for drawing?
 */
private void drawSelectionRectangle(Graphics2D g2) {
    if (this.selectionRectangle != null) {
        if (this.fillSelectionRectangle) {
            g2.setPaint(this.selectionFillPaint);
            g2.fill(selectionRectangle);
        } else {
            g2.setPaint(this.selectionOutlinePaint);
            g2.draw(selectionRectangle);
        }
    }
}

From source file:fr.fg.server.core.TerritoryManager.java

private static BufferedImage createTerritoryMap(int idSector) {
    List<Area> areas = new ArrayList<Area>(DataAccess.getAreasBySector(idSector));

    float[][] points = new float[areas.size()][2];
    int[] dominatingAllies = new int[areas.size()];
    int i = 0;/*from w ww  . java  2s  . com*/
    for (Area area : areas) {
        points[i][0] = area.getX() * MAP_SCALE;
        points[i][1] = area.getY() * MAP_SCALE;
        dominatingAllies[i] = area.getIdDominatingAlly();
        i++;
    }

    Hull hull = new Hull(points);
    MPolygon hullPolygon = hull.getRegion();
    float[][] newPoints = new float[points.length + hullPolygon.count()][2];
    System.arraycopy(points, 0, newPoints, 0, points.length);

    float[][] hullCoords = hullPolygon.getCoords();

    for (i = 0; i < hullPolygon.count(); i++) {
        double angle = Math.atan2(hullCoords[i][1], hullCoords[i][0]);
        double length = Math.sqrt(hullCoords[i][0] * hullCoords[i][0] + hullCoords[i][1] * hullCoords[i][1]);

        newPoints[i + points.length][0] = (float) (Math.cos(angle) * (length + 8 * MAP_SCALE));
        newPoints[i + points.length][1] = (float) (Math.sin(angle) * (length + 8 * MAP_SCALE));
    }

    points = newPoints;

    Voronoi voronoi = new Voronoi(points);
    Delaunay delaunay = new Delaunay(points);

    // Dcoupage en rgions
    MPolygon[] regions = voronoi.getRegions();

    // Calcule le rayon de la galaxie
    int radius = 0;

    for (Area area : areas) {
        radius = Math.max(radius, area.getX() * area.getX() + area.getY() * area.getY());
    }

    radius = (int) Math.floor(Math.sqrt(radius) * MAP_SCALE) + 10 * MAP_SCALE;
    int diameter = 2 * radius + 1;

    // Construit l'image avec les quadrants
    BufferedImage territoriesImage = new BufferedImage(diameter, diameter, BufferedImage.TYPE_INT_ARGB);

    Graphics2D g = (Graphics2D) territoriesImage.getGraphics();

    // Affecte une couleur  chaque alliance
    HashMap<Integer, Color> alliesColors = new HashMap<Integer, Color>();

    for (Area area : areas) {
        int idDominatingAlly = area.getIdDominatingAlly();
        if (idDominatingAlly != 0)
            alliesColors.put(idDominatingAlly,
                    Ally.TERRITORY_COLORS[DataAccess.getAllyById(idDominatingAlly).getColor()]);
    }

    Polygon[] polygons = new Polygon[regions.length];
    for (i = 0; i < areas.size(); i++) {
        if (dominatingAllies[i] != 0) {
            polygons[i] = createPolygon(regions[i].getCoords(), radius + 1, 3);
        }
    }

    // Dessine tous les secteurs
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);

    for (i = 0; i < areas.size(); i++) {
        if (dominatingAllies[i] == 0)
            continue;

        Polygon p = polygons[i];

        // Dessine le polygone
        g.setColor(alliesColors.get(dominatingAllies[i]));
        g.fill(p);

        // Rempli les espaces entre les polygones adjacents qui
        // correspondent au territoire d'une mme alliance
        int[] linkedRegions = delaunay.getLinked(i);
        for (int j = 0; j < linkedRegions.length; j++) {
            int linkedRegion = linkedRegions[j];

            if (linkedRegion >= areas.size())
                continue;

            if (dominatingAllies[i] == dominatingAllies[linkedRegion]) {
                if (linkedRegion <= i)
                    continue;

                float[][] coords1 = regions[i].getCoords();
                float[][] coords2 = regions[linkedRegion].getCoords();

                int junctionIndex = 0;
                int[][] junctions = new int[2][2];

                search: for (int k = 0; k < coords1.length; k++) {
                    for (int l = 0; l < coords2.length; l++) {
                        if (coords1[k][0] == coords2[l][0] && coords1[k][1] == coords2[l][1]) {
                            junctions[junctionIndex][0] = k;
                            junctions[junctionIndex][1] = l;

                            junctionIndex++;

                            if (junctionIndex == 2) {
                                int[] xpts = new int[] { polygons[i].xpoints[junctions[0][0]],
                                        polygons[linkedRegion].xpoints[junctions[0][1]],
                                        polygons[linkedRegion].xpoints[junctions[1][1]],
                                        polygons[i].xpoints[junctions[1][0]], };
                                int[] ypts = new int[] { polygons[i].ypoints[junctions[0][0]],
                                        polygons[linkedRegion].ypoints[junctions[0][1]],
                                        polygons[linkedRegion].ypoints[junctions[1][1]],
                                        polygons[i].ypoints[junctions[1][0]], };

                                Polygon border = new Polygon(xpts, ypts, 4);
                                g.setStroke(new BasicStroke(2, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND));
                                g.fill(border);
                                g.draw(border);
                                break search;
                            }
                            break;
                        }
                    }
                }
            }
        }
    }

    // Dessine des lignes de contours des territoires
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    for (i = 0; i < areas.size(); i++) {
        if (dominatingAllies[i] == 0)
            continue;

        g.setStroke(new BasicStroke(1.5f));
        g.setColor(alliesColors.get(dominatingAllies[i]).brighter().brighter());

        float[][] coords1 = regions[i].getCoords();

        lines: for (int j = 0; j < coords1.length; j++) {
            int[] linkedRegions = delaunay.getLinked(i);
            for (int k = 0; k < linkedRegions.length; k++) {
                int linkedRegion = linkedRegions[k];

                if (linkedRegion >= areas.size())
                    continue;

                if (dominatingAllies[i] == dominatingAllies[linkedRegion]) {
                    float[][] coords2 = regions[linkedRegion].getCoords();

                    for (int m = 0; m < coords2.length; m++) {
                        if (coords1[j][0] == coords2[m][0] && coords1[j][1] == coords2[m][1]
                                && ((coords1[(j + 1) % coords1.length][0] == coords2[(m + 1)
                                        % coords2.length][0]
                                        && coords1[(j + 1) % coords1.length][1] == coords2[(m + 1)
                                                % coords2.length][1])
                                        || (coords1[(j + 1)
                                                % coords1.length][0] == coords2[(m - 1 + coords2.length)
                                                        % coords2.length][0]
                                                && coords1[(j + 1)
                                                        % coords1.length][1] == coords2[(m - 1 + coords2.length)
                                                                % coords2.length][1]))) {
                            continue lines;
                        }
                    }
                }
            }

            g.drawLine(Math.round(polygons[i].xpoints[j]), Math.round(polygons[i].ypoints[j]),
                    Math.round(polygons[i].xpoints[(j + 1) % coords1.length]),
                    Math.round(polygons[i].ypoints[(j + 1) % coords1.length]));
        }

        for (int j = 0; j < coords1.length; j++) {
            int neighbours = 0;
            int lastNeighbourRegion = -1;
            int neighbourCoordsIndex = -1;

            int[] linkedRegions = delaunay.getLinked(i);
            for (int k = 0; k < linkedRegions.length; k++) {
                int linkedRegion = linkedRegions[k];

                if (linkedRegion >= areas.size())
                    continue;

                if (dominatingAllies[i] == dominatingAllies[linkedRegion]) {
                    float[][] coords2 = regions[linkedRegion].getCoords();

                    for (int m = 0; m < coords2.length; m++) {
                        if (coords1[j][0] == coords2[m][0] && coords1[j][1] == coords2[m][1]) {
                            neighbours++;
                            lastNeighbourRegion = linkedRegion;
                            neighbourCoordsIndex = m;
                            break;
                        }
                    }
                }
            }

            if (neighbours == 1) {
                g.drawLine(Math.round(polygons[i].xpoints[j]), Math.round(polygons[i].ypoints[j]),
                        Math.round(polygons[lastNeighbourRegion].xpoints[neighbourCoordsIndex]),
                        Math.round(polygons[lastNeighbourRegion].ypoints[neighbourCoordsIndex]));
            }
        }
    }

    BufferedImage finalImage = new BufferedImage(diameter, diameter, BufferedImage.TYPE_INT_ARGB);

    g = (Graphics2D) finalImage.getGraphics();

    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC, .15f));
    g.drawImage(territoriesImage, 0, 0, null);
    g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC, .5f));

    // Charge la police pour afficher le nom des alliances
    try {
        Font textFont = Font.createFont(Font.TRUETYPE_FONT,
                Action.class.getClassLoader().getResourceAsStream("fr/fg/server/resources/TinDog.ttf"));
        textFont = textFont.deriveFont(12f).deriveFont(Font.BOLD);
        g.setFont(textFont);
    } catch (Exception e) {
        LoggingSystem.getServerLogger().warn("Could not load quadrant map font.", e);
    }
    FontMetrics fm = g.getFontMetrics();

    ArrayList<Integer> closedRegions = new ArrayList<Integer>();

    for (i = 0; i < areas.size(); i++) {
        if (dominatingAllies[i] == 0 || closedRegions.contains(i))
            continue;

        ArrayList<Integer> allyRegions = new ArrayList<Integer>();
        ArrayList<Integer> openRegions = new ArrayList<Integer>();

        openRegions.add(i);

        while (openRegions.size() > 0) {
            int currentRegion = openRegions.remove(0);
            allyRegions.add(currentRegion);
            closedRegions.add(currentRegion);

            int[] linkedRegions = delaunay.getLinked(currentRegion);

            for (int k = 0; k < linkedRegions.length; k++) {
                int linkedRegion = linkedRegions[k];

                if (linkedRegion >= areas.size() || openRegions.contains(linkedRegion)
                        || allyRegions.contains(linkedRegion))
                    continue;

                if (dominatingAllies[i] == dominatingAllies[linkedRegion])
                    openRegions.add(linkedRegion);
            }
        }

        Area area = areas.get(i);
        long xsum = 0;
        long ysum = 0;

        for (int k = 0; k < allyRegions.size(); k++) {
            int allyRegion = allyRegions.get(k);
            area = areas.get(allyRegion);

            xsum += area.getX();
            ysum += area.getY();
        }

        int x = (int) (xsum / allyRegions.size()) * MAP_SCALE + radius + 1;
        int y = (int) (-ysum / allyRegions.size()) * MAP_SCALE + radius + 1;
        ;

        Point point = new Point(x, y);
        boolean validLocation = false;
        for (int k = 0; k < allyRegions.size(); k++) {
            int allyRegion = allyRegions.get(k);

            if (polygons[allyRegion].contains(point)) {
                validLocation = true;
                break;
            }
        }

        if (validLocation) {
            if (allyRegions.size() == 1)
                y -= 14;
        } else {
            int xmid = (int) (xsum / allyRegions.size());
            int ymid = (int) (ysum / allyRegions.size());

            area = areas.get(i);
            int dx = area.getX() - xmid;
            int dy = area.getY() - ymid;
            int distance = dx * dx + dy * dy;

            int nearestAreaIndex = i;
            int nearestDistance = distance;

            for (int k = 0; k < allyRegions.size(); k++) {
                int allyRegion = allyRegions.get(k);

                area = areas.get(allyRegion);
                dx = area.getX() - xmid;
                dy = area.getY() - ymid;
                distance = dx * dx + dy * dy;

                if (distance < nearestDistance) {
                    nearestAreaIndex = allyRegion;
                    nearestDistance = distance;
                }
            }

            area = areas.get(nearestAreaIndex);
            x = area.getX() * MAP_SCALE + radius + 1;
            y = -area.getY() * MAP_SCALE + radius - 13;
        }

        // Dessine le tag de l'alliance
        String allyTag = "[ " + DataAccess.getAllyById(dominatingAllies[i]).getTag() + " ]";
        g.setColor(Color.BLACK);
        g.drawString(allyTag, x - fm.stringWidth(allyTag) / 2 + 1, y);
        g.setColor(alliesColors.get(dominatingAllies[i]));
        g.drawString(allyTag, x - fm.stringWidth(allyTag) / 2, y);
    }

    return finalImage;
}

From source file:org.trade.ui.chart.renderer.HeikinAshiRenderer.java

/**
 * Method drawItem.//from  w  w w  .  j a  va  2 s.c o m
 * 
 * @param g2
 *            Graphics2D
 * @param state
 *            XYItemRendererState
 * @param dataArea
 *            Rectangle2D
 * @param info
 *            PlotRenderingInfo
 * @param plot
 *            XYPlot
 * @param domainAxis
 *            ValueAxis
 * @param rangeAxis
 *            ValueAxis
 * @param dataset
 *            XYDataset
 * @param series
 *            int
 * @param item
 *            int
 * @param crosshairState
 *            CrosshairState
 * @param pass
 *            int
 * @see org.jfree.chart.renderer.xy.XYItemRenderer#drawItem(Graphics2D,
 *      XYItemRendererState, Rectangle2D, PlotRenderingInfo, XYPlot,
 *      ValueAxis, ValueAxis, XYDataset, int, int, CrosshairState, int)
 */
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) {

    if (dataset instanceof HeikinAshiDataset) {

        // setup for collecting optional entity info...
        EntityCollection entities = null;
        if (info != null) {
            entities = info.getOwner().getEntityCollection();
        }

        HeikinAshiDataset highLowData = (HeikinAshiDataset) dataset;

        double x = highLowData.getXValue(series, item);
        double yHigh = highLowData.getHighValue(series, item);
        double yLow = highLowData.getLowValue(series, item);
        double yOpen = highLowData.getOpenValue(series, item);
        double yClose = highLowData.getCloseValue(series, item);

        RectangleEdge domainEdge = plot.getDomainAxisEdge();
        double xx = domainAxis.valueToJava2D(x, dataArea, domainEdge);

        RectangleEdge edge = plot.getRangeAxisEdge();
        double yyHigh = rangeAxis.valueToJava2D(yHigh, dataArea, edge);
        double yyLow = rangeAxis.valueToJava2D(yLow, dataArea, edge);
        double yyOpen = rangeAxis.valueToJava2D(yOpen, dataArea, edge);
        double yyClose = rangeAxis.valueToJava2D(yClose, dataArea, edge);

        int itemCount = highLowData.getItemCount(series);
        double xxWidth = dataArea.getWidth() / itemCount;

        xxWidth -= 2 * this.getAutoWidthGap();
        xxWidth *= this.getAutoWidthFactor();
        xxWidth = Math.min(xxWidth, this.maxCandleWidth);
        double stickWidth = Math.max(Math.min(3, this.maxCandleWidth), xxWidth);

        Paint outlinePaint = null;
        outlinePaint = getItemOutlinePaint(series, item);
        g2.setStroke(getItemStroke(series, item));
        g2.setPaint(outlinePaint);

        double yyMaxOpenClose = Math.max(yyOpen, yyClose);
        double yyMinOpenClose = Math.min(yyOpen, yyClose);
        double maxOpenClose = Math.max(yOpen, yClose);
        double minOpenClose = Math.min(yOpen, yClose);

        Shape body = null;
        boolean highlight = highlight(series, item);
        /**********************************
         * draw the upper shadow START
         **********************************/

        if (yHigh > maxOpenClose) {
            if (highlight) {
                body = new Rectangle2D.Double(xx - (stickWidth / 2), yyHigh - 10, stickWidth,
                        (yyMaxOpenClose - yyHigh) + 10);
                g2.setPaint(Color.YELLOW);
                g2.fill(body);
                g2.draw(body);
            }
        }

        if (yHigh > maxOpenClose) {
            if (nightMode) {
                if (yClose > yOpen) {
                    g2.setPaint(upPaint);
                } else {
                    g2.setPaint(downPaint);
                }
            } else {
                g2.setPaint(Color.black);
            }

            g2.draw(new Line2D.Double(xx, yyHigh, xx, yyMaxOpenClose));
        }

        /**********************************
         * draw the lower shadow START
         **********************************/
        if (yLow < minOpenClose) {
            if (highlight) {
                body = new Rectangle2D.Double(xx - (stickWidth / 2), yyMinOpenClose, stickWidth,
                        (yyLow - yyMinOpenClose) + 10);
                g2.setPaint(Color.YELLOW);
                g2.fill(body);
                g2.draw(body);
            }
            if (yLow < minOpenClose) {
                if (nightMode) {
                    if (yClose > yOpen) {
                        g2.setPaint(upPaint);
                    } else {
                        g2.setPaint(downPaint);
                    }
                } else {
                    g2.setPaint(Color.BLACK);
                }
                g2.draw(new Line2D.Double(xx, yyLow, xx, yyMinOpenClose));
            }
        }

        /**********************************
         * draw the body
         **********************************/

        body = new Rectangle2D.Double(xx - (stickWidth / 2), yyMinOpenClose, stickWidth,
                yyMaxOpenClose - yyMinOpenClose);

        if (nightMode) {
            g2.setPaint(Color.white);
        } else {
            if (yClose > yOpen) {
                g2.setPaint(upPaint);
            } else {
                g2.setPaint(downPaint);
            }
        }

        g2.fill(body);
        g2.draw(body);

        if (nightMode) {
            if (yClose > yOpen) {
                g2.setPaint(upPaint);
            } else {
                g2.setPaint(downPaint);
            }
        } else {
            g2.setPaint(outlinePaint);
        }
        g2.draw(body);
        // add an entity for the item...
        if (entities != null) {
            String tip = null;
            XYToolTipGenerator generator = getToolTipGenerator(series, item);
            if (generator != null) {
                tip = generator.generateToolTip(dataset, series, item);
            }

            XYItemEntity entity = new XYItemEntity(body, dataset, series, item, tip, null);

            entities.add(entity);
        }
    }
}