Example usage for java.awt Graphics2D setPaint

List of usage examples for java.awt Graphics2D setPaint

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Introduction

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

Prototype

public abstract void setPaint(Paint paint);

Source Link

Document

Sets the Paint attribute for the Graphics2D context.

Usage

From source file:edu.cuny.jfree.chart.renderer.category.IntervalListBarRenderer.java

/**
 * Draws a single interval./*from  ww w  .ja v a2s .com*/
 * 
 * @param g2
 *          the graphics device.
 * @param state
 *          the renderer state.
 * @param dataArea
 *          the data plot area.
 * @param plot
 *          the plot.
 * @param domainAxis
 *          the domain axis.
 * @param rangeAxis
 *          the range axis.
 * @param dataset
 *          the data.
 * @param row
 *          the row index (zero-based).
 * @param column
 *          the column index (zero-based).
 */
protected void drawInterval(final Graphics2D g2, final CategoryItemRendererState state,
        final Rectangle2D dataArea, final CategoryPlot plot, final CategoryAxis domainAxis,
        final ValueAxis rangeAxis, final DefaultIntervalListCategoryDataset dataset, final int row,
        final int column) {

    final int seriesCount = getRowCount();
    final int categoryCount = getColumnCount();

    final PlotOrientation orientation = plot.getOrientation();

    double rectX = 0.0;
    double rectY = 0.0;

    final RectangleEdge domainAxisLocation = plot.getDomainAxisEdge();
    final RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();

    final List list = dataset.getList(row, column);

    if (list == null) {
        return;
    }

    Interval interval = null;
    for (int i = 0; i < list.size(); i++) {

        interval = (Interval) list.get(i);

        if (!interval.isMeaningful()) {
            continue;
        }

        // Y0
        double java2dValue0 = rangeAxis.valueToJava2D(interval.low, dataArea, rangeAxisLocation);

        // Y1
        double java2dValue1 = rangeAxis.valueToJava2D(interval.high, dataArea, rangeAxisLocation);

        if (java2dValue1 < java2dValue0) {
            final double temp = java2dValue1;
            java2dValue1 = java2dValue0;
            java2dValue0 = temp;
        }

        // BAR WIDTH
        double rectWidth = state.getBarWidth();

        // BAR HEIGHT
        double rectHeight = Math.abs(java2dValue1 - java2dValue0);

        if (orientation == PlotOrientation.HORIZONTAL) {
            // BAR Y
            rectY = domainAxis.getCategoryStart(column, getColumnCount(), dataArea, domainAxisLocation);
            if (seriesCount > 1) {
                final double seriesGap = dataArea.getHeight() * getItemMargin()
                        / (categoryCount * (seriesCount - 1));
                rectY = rectY + row * (state.getBarWidth() + seriesGap);
            } else {
                rectY = rectY + row * state.getBarWidth();
            }

            rectX = java2dValue0;

            rectHeight = state.getBarWidth();
            rectWidth = Math.abs(java2dValue1 - java2dValue0);

        } else if (orientation == PlotOrientation.VERTICAL) {
            // BAR X
            rectX = domainAxis.getCategoryStart(column, getColumnCount(), dataArea, domainAxisLocation);

            if (seriesCount > 1) {
                final double seriesGap = dataArea.getWidth() * getItemMargin()
                        / (categoryCount * (seriesCount - 1));
                rectX = rectX + row * (state.getBarWidth() + seriesGap);
            } else {
                rectX = rectX + row * state.getBarWidth();
            }

            rectY = java2dValue0;

        }
        final Rectangle2D bar = new Rectangle2D.Double(rectX, rectY, rectWidth, rectHeight);
        final Paint seriesPaint = getItemPaint(row, column);
        g2.setPaint(seriesPaint);
        g2.fill(bar);

        // draw the outline...
        if (state.getBarWidth() > BarRenderer.BAR_OUTLINE_WIDTH_THRESHOLD) {
            final Stroke stroke = getItemOutlineStroke(row, column);
            final Paint paint = getItemOutlinePaint(row, column);
            if ((stroke != null) && (paint != null)) {
                g2.setStroke(stroke);
                g2.setPaint(paint);
                g2.draw(bar);
            }
        }

        final CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
        if ((generator != null) && isItemLabelVisible(row, column)) {
            drawItemLabel(g2, dataset, row, column, plot, generator, bar, false);
        }

        // collect entity and tool tip information...
        if (state.getInfo() != null) {
            final EntityCollection entities = state.getInfo().getOwner().getEntityCollection();
            if (entities != null) {
                String tip = null;
                final CategoryToolTipGenerator tipster = getToolTipGenerator(row, column);
                if (tipster != null) {
                    tip = tipster.generateToolTip(dataset, row, column);
                }
                String url = null;
                if (getItemURLGenerator(row, column) != null) {
                    url = getItemURLGenerator(row, column).generateURL(dataset, row, column);
                }
                final CategoryItemEntity entity = new CategoryItemEntity(bar, tip, url, dataset,
                        dataset.getRowKey(row), dataset.getColumnKey(column));
                entities.add(entity);
            }
        }
    }
}

From source file:com.bdaum.zoom.report.internal.jfree.custom.CylinderRenderer.java

/**
 * Draws a cylinder to represent one data item.
 *
 * @param g2  the graphics device.//from   w w  w .  j  a  v a2 s. com
 * @param state  the renderer state.
 * @param dataArea  the area for plotting the data.
 * @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) {

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

    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();
    float transL0 = (float) rangeAxis.valueToJava2D(barL0L1[0], adjusted, edge);
    float transL1 = (float) rangeAxis.valueToJava2D(barL0L1[1], adjusted, edge);
    float barL0 = Math.min(transL0, transL1);
    float barLength = Math.abs(transL1 - transL0);

    // draw the bar...
    GeneralPath bar = new GeneralPath();
    Shape top = null;
    if (orientation == PlotOrientation.HORIZONTAL) {
        bar.moveTo((float) (barL0 + getXOffset() / 2), (float) barW0);
        bar.lineTo((float) (barL0 + barLength + getXOffset() / 2), (float) barW0);
        Arc2D arc = new Arc2D.Double(barL0 + barLength, barW0, getXOffset(), state.getBarWidth(), 90, 180,
                Arc2D.OPEN);
        bar.append(arc, true);
        bar.lineTo((float) (barL0 + getXOffset() / 2), (float) (barW0 + state.getBarWidth()));
        arc = new Arc2D.Double(barL0, barW0, getXOffset(), state.getBarWidth(), 270, -180, Arc2D.OPEN);
        bar.append(arc, true);
        bar.closePath();
        top = new Ellipse2D.Double(barL0 + barLength, barW0, getXOffset(), state.getBarWidth());

    } else {
        bar.moveTo((float) barW0, (float) (barL0 - getYOffset() / 2));
        bar.lineTo((float) barW0, (float) (barL0 + barLength - getYOffset() / 2));
        Arc2D arc = new Arc2D.Double(barW0, (barL0 + barLength - getYOffset()), state.getBarWidth(),
                getYOffset(), 180, 180, Arc2D.OPEN);
        bar.append(arc, true);
        bar.lineTo((float) (barW0 + state.getBarWidth()), (float) (barL0 - getYOffset() / 2));
        arc = new Arc2D.Double(barW0, (barL0 - getYOffset()), state.getBarWidth(), getYOffset(), 0, -180,
                Arc2D.OPEN);
        bar.append(arc, true);
        bar.closePath();

        top = new Ellipse2D.Double(barW0, barL0 - getYOffset(), state.getBarWidth(), getYOffset());
    }
    Paint itemPaint = getItemPaint(row, column);
    if (getGradientPaintTransformer() != null && itemPaint instanceof GradientPaint) {
        GradientPaint gp = (GradientPaint) itemPaint;
        itemPaint = getGradientPaintTransformer().transform(gp, bar);
    }
    g2.setPaint(itemPaint);
    g2.fill(bar);

    if (itemPaint instanceof GradientPaint) {
        g2.setPaint(((GradientPaint) itemPaint).getColor2());
    } else {
        g2.setPaint(PaintAlpha.darker(itemPaint)); // bd
    }
    if (top != null) {
        g2.fill(top);
    }

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

    CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
    if (generator != null && isItemLabelVisible(row, column)) {
        drawItemLabel(g2, dataset, row, column, plot, generator, bar.getBounds2D(), (value < 0.0));
    }

    // collect entity and tool tip information...
    if (state.getInfo() != null) {
        EntityCollection entities = state.getEntityCollection();
        if (entities != null) {
            String tip = null;
            CategoryToolTipGenerator tipster = getToolTipGenerator(row, column);
            if (tipster != null) {
                tip = tipster.generateToolTip(dataset, row, column);
            }
            String url = null;
            if (getItemURLGenerator(row, column) != null) {
                url = getItemURLGenerator(row, column).generateURL(dataset, row, column);
            }
            CategoryItemEntity entity = new CategoryItemEntity(bar.getBounds2D(), tip, url, dataset,
                    dataset.getRowKey(row), dataset.getColumnKey(column));
            entities.add(entity);
        }
    }

}

From source file:org.operamasks.faces.render.graph.CurveAndShapeRenderer.java

private void drawSeriesCurve(Graphics2D g2, Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis,
        ValueAxis rangeAxis, CategoryDataset dataset, int series) {
    // do nothing if item is not visible
    if (!(getItemVisible(series, 0) && (getItemLineVisible(series, 0) || drawArea))) {
        return;//from w  w  w.  jav a  2  s .co m
    }

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
    PlotOrientation orientation = plot.getOrientation();

    int itemCount = dataset.getColumnCount();
    double[][] points = new double[itemCount][2];
    int count = 0;

    // get data points
    for (int i = 0; i < itemCount; i++) {
        Number value = dataset.getValue(series, i);
        if (value != null) {
            points[count][0] = domainAxis.getCategoryMiddle(i, itemCount, dataArea, xAxisLocation);
            points[count][1] = rangeAxis.valueToJava2D(value.doubleValue(), dataArea, yAxisLocation);
            count++;
        }
    }

    if (count < 2) {
        return;
    }

    // draw curve
    CubicSplineFunction2D f = new CubicSplineFunction2D(points, count);
    GeneralPath path = new GeneralPath();

    double startX = points[0][0];
    double startY = points[0][1];
    double endX = points[count - 1][0];
    double endY = points[count - 1][1];
    double yz = rangeAxis.valueToJava2D(0.0, dataArea, yAxisLocation);

    if (orientation == PlotOrientation.HORIZONTAL) {
        if (drawArea) {
            path.moveTo((float) yz, (float) startX);
            path.lineTo((float) startY, (float) startX);
            for (double x = Math.floor(startX) + 1.0; x < endX; x += 1.0) {
                path.lineTo((float) f.getValue(x), (float) x);
            }
            path.lineTo((float) endY, (float) endX);
            path.lineTo((float) yz, (float) endX);
            path.closePath();
        } else {
            path.moveTo((float) startY, (float) startX);
            for (double x = Math.floor(startX) + 1.0; x < endX; x += 1.0) {
                path.lineTo((float) f.getValue(x), (float) x);
            }
            path.lineTo((float) endY, (float) endX);
        }
    } else {
        if (drawArea) {
            path.moveTo((float) startX, (float) yz);
            path.lineTo((float) startX, (float) startY);
            for (double x = Math.floor(startX) + 1.0; x < endX; x += 1.0) {
                path.lineTo((float) x, (float) f.getValue(x));
            }
            path.lineTo((float) endX, (float) endY);
            path.lineTo((float) endX, (float) yz);
            path.closePath();
        } else {
            path.moveTo((float) startX, (float) startY);
            for (double x = Math.floor(startX) + 1.0; x < endX; x += 1.0) {
                path.lineTo((float) x, (float) f.getValue(x));
            }
            path.lineTo((float) endX, (float) endY);
        }
    }

    Paint paint = getSeriesPaint(series);
    Stroke stroke = getSeriesStroke(series);

    if (drawArea) {
        g2.setPaint(paint);
        g2.fill(path);

        // create paint for outline
        if (paint instanceof Color) {
            paint = ((Color) paint).darker();
        } else if (paint instanceof GradientPaint) {
            paint = ((GradientPaint) paint).getColor1().darker();
        }
    }

    if (getItemLineVisible(series, 0)) {
        g2.setPaint(paint);
        g2.setStroke(stroke);
        g2.draw(path);
    }
}

From source file:spinworld.gui.RadarPlot.java

/**
 * Draws the label for one axis.// ww  w.  j ava 2 s  .  co m
 *
 * @param g2  the graphics device.
 * @param plotArea  whole plot drawing area (e.g. including space for labels)
 * @param plotDrawingArea  the plot drawing area (just spanning of axis)
 * @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, Rectangle2D plotDrawingArea, 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);
    }

    double angle = normalize(startAngle);

    Font font = getLabelFont();
    Point2D labelLocation;
    do {
        Rectangle2D labelBounds = font.getStringBounds(label, frc);
        LineMetrics lm = font.getLineMetrics(label, frc);
        double ascent = lm.getAscent();

        labelLocation = calculateLabelLocation(labelBounds, ascent, plotDrawingArea, startAngle);

        boolean leftOut = angle > 90 && angle < 270 && labelLocation.getX() < plotArea.getX();
        boolean rightOut = (angle < 90 || angle > 270)
                && labelLocation.getX() + labelBounds.getWidth() > plotArea.getX() + plotArea.getWidth();

        if (leftOut || rightOut) {
            font = font.deriveFont(font.getSize2D() - 1);
        } else {
            break;
        }
    } while (font.getSize() > 8);

    Composite saveComposite = g2.getComposite();

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

From source file:com.newatlanta.bluedragon.CustomClusteredXYBarRenderer.java

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) {

    IntervalXYDataset intervalDataset = (IntervalXYDataset) dataset;

    Paint seriesPaint = getItemPaint(series, item);

    double value0;
    double value1;
    if (getUseYInterval()) {
        value0 = intervalDataset.getStartYValue(series, item);
        value1 = intervalDataset.getEndYValue(series, item);
    } else {/*from w w  w .  jav  a 2  s  .c o  m*/
        value0 = getBase();
        value1 = intervalDataset.getYValue(series, item);
    }
    if (Double.isNaN(value0) || Double.isNaN(value1)) {
        return;
    }

    double translatedValue0 = rangeAxis.valueToJava2D(value0, dataArea, plot.getRangeAxisEdge());
    double translatedValue1 = rangeAxis.valueToJava2D(value1, dataArea, plot.getRangeAxisEdge());

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    double x1 = intervalDataset.getStartXValue(series, item);
    double translatedX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);

    double x2 = intervalDataset.getEndXValue(series, item);
    double translatedX2 = domainAxis.valueToJava2D(x2, dataArea, xAxisLocation);

    double translatedWidth = Math.max(1, Math.abs(translatedX2 - translatedX1));
    double translatedHeight = Math.abs(translatedValue0 - translatedValue1);

    /*
     * With BlueDragon, this value is always false so it's safe to comment this
     * code out. if (this.centerBarAtStartValue) { translatedX1 -=
     * translatedWidth / 2; }
     */

    PlotOrientation orientation = plot.getOrientation();
    if (getMargin() > 0.0) {
        if (orientation == PlotOrientation.HORIZONTAL) {
            // BEGIN fix for horizontal bar charts that have a margin
            double cut = translatedWidth * getMargin();
            translatedWidth = translatedWidth - cut;
            translatedX1 = translatedX1 - cut / 2;
            // END fix for horizontal bar charts that have a margin
        } else if (orientation == PlotOrientation.VERTICAL) {
            double cut = translatedWidth * getMargin();
            translatedWidth = translatedWidth - cut;
            translatedX1 = translatedX1 + cut / 2;
        }
    }

    int numSeries = dataset.getSeriesCount();
    double seriesBarWidth = translatedWidth / numSeries;

    Rectangle2D bar = null;
    if (orientation == PlotOrientation.HORIZONTAL) {
        bar = new Rectangle2D.Double(Math.min(translatedValue0, translatedValue1),
                translatedX1 - seriesBarWidth * (numSeries - series), translatedHeight, seriesBarWidth);
    } else if (orientation == PlotOrientation.VERTICAL) {

        bar = new Rectangle2D.Double(translatedX1 + seriesBarWidth * series,
                Math.min(translatedValue0, translatedValue1), seriesBarWidth, translatedHeight);

    }
    g2.setPaint(seriesPaint);
    g2.fill(bar);
    if (isDrawBarOutline() && Math.abs(translatedX2 - translatedX1) > 3) {
        g2.setStroke(getItemOutlineStroke(series, item));
        g2.setPaint(getItemOutlinePaint(series, item));
        g2.draw(bar);
    }

    // TODO: we need something better for the item labels
    if (isItemLabelVisible(series, item)) {
        // Change parameters passed to this method to call our local version
        drawItemLabel(g2, orientation, dataset, series, item, bar, value1 < 0.0);
    }

    // add an entity for the item...
    if (info != null) {
        EntityCollection entities = info.getOwner().getEntityCollection();
        if (entities != null) {
            String tip = null;
            XYToolTipGenerator generator = getToolTipGenerator(series, item);
            if (generator != null) {
                tip = generator.generateToolTip(dataset, series, item);
            }
            String url = null;
            if (getURLGenerator() != null) {
                url = getURLGenerator().generateURL(dataset, series, item);
            }
            XYItemEntity entity = new XYItemEntity(bar, dataset, series, item, tip, url);
            entities.add(entity);
        }
    }

}

From source file:org.dwfa.ace.graph.AceGraphRenderer.java

/**
 * Draws the edge <code>e</code>, whose endpoints are at
 * <code>(x1,y1)</code> and <code>(x2,y2)</code>, on the graphics context
 * <code>g</code>.//from   w  w  w.  j  a v  a  2s  .  com
 * The <code>Shape</code> provided by the <code>EdgeShapeFunction</code>
 * instance
 * is scaled in the x-direction so that its width is equal to the distance
 * between <code>(x1,y1)</code> and <code>(x2,y2)</code>.
 */
protected void drawSimpleEdge(Graphics2D g, Edge e, int x1, int y1, int x2, int y2) {
    Pair endpoints = e.getEndpoints();
    Vertex v1 = (Vertex) endpoints.getFirst();
    Vertex v2 = (Vertex) endpoints.getSecond();
    boolean isLoop = v1.equals(v2);
    Shape s2 = vertexShapeFunction.getShape(v2);
    Shape edgeShape = edgeShapeFunction.getShape(e);

    boolean edgeHit = true;
    boolean arrowHit = true;
    Rectangle deviceRectangle = null;
    if (screenDevice != null) {
        Dimension d = screenDevice.getSize();
        if (d.width <= 0 || d.height <= 0) {
            d = screenDevice.getPreferredSize();
        }
        deviceRectangle = new Rectangle(0, 0, d.width, d.height);
    }

    AffineTransform xform = AffineTransform.getTranslateInstance(x1, y1);

    if (isLoop) {
        // this is a self-loop. scale it is larger than the vertex
        // it decorates and translate it so that its nadir is
        // at the center of the vertex.
        Rectangle2D s2Bounds = s2.getBounds2D();
        xform.scale(s2Bounds.getWidth(), s2Bounds.getHeight());
        xform.translate(0, -edgeShape.getBounds2D().getWidth() / 2);
    } else {
        // this is a normal edge. Rotate it to the angle between
        // vertex endpoints, then scale it to the distance between
        // the vertices
        float dx = x2 - x1;
        float dy = y2 - y1;
        float thetaRadians = (float) Math.atan2(dy, dx);
        xform.rotate(thetaRadians);
        float dist = (float) Math.sqrt(dx * dx + dy * dy);
        xform.scale(dist, 1.0);
    }

    edgeShape = xform.createTransformedShape(edgeShape);

    if (deviceRectangle == null) {
        edgeHit = false;
    } else {
        edgeHit = viewTransformer.transform(edgeShape).intersects(deviceRectangle);
    }

    if (edgeHit == true) {

        Paint oldPaint = g.getPaint();

        // get Paints for filling and drawing
        // (filling is done first so that drawing and label use same Paint)
        Paint fill_paint = edgePaintFunction.getFillPaint(e);
        if (fill_paint != null) {
            g.setPaint(fill_paint);
            g.fill(edgeShape);
        }
        Paint draw_paint = edgePaintFunction.getDrawPaint(e);
        if (draw_paint != null) {
            g.setPaint(draw_paint);
            g.draw(edgeShape);
        }

        float scalex = (float) g.getTransform().getScaleX();
        float scaley = (float) g.getTransform().getScaleY();
        // see if arrows are too small to bother drawing
        if (scalex < .3 || scaley < .3)
            return;

        if (edgeArrowPredicate.evaluate(e)) {

            Shape destVertexShape = vertexShapeFunction.getShape((Vertex) e.getEndpoints().getSecond());
            AffineTransform xf = AffineTransform.getTranslateInstance(x2, y2);
            destVertexShape = xf.createTransformedShape(destVertexShape);

            arrowHit = viewTransformer.transform(destVertexShape).intersects(deviceRectangle);
            if (arrowHit) {

                AffineTransform at;
                if (edgeShape instanceof GeneralPath)
                    at = getArrowTransform((GeneralPath) edgeShape, destVertexShape);
                else
                    at = getArrowTransform(new GeneralPath(edgeShape), destVertexShape);
                if (at == null)
                    return;
                Shape arrow = edgeArrowFunction.getArrow(e);
                arrow = at.createTransformedShape(arrow);
                // note that arrows implicitly use the edge's draw paint
                g.fill(arrow);
            }
            if (e instanceof UndirectedEdge) {
                Shape vertexShape = vertexShapeFunction.getShape((Vertex) e.getEndpoints().getFirst());
                xf = AffineTransform.getTranslateInstance(x1, y1);
                vertexShape = xf.createTransformedShape(vertexShape);

                arrowHit = viewTransformer.transform(vertexShape).intersects(deviceRectangle);

                if (arrowHit) {
                    AffineTransform at;
                    if (edgeShape instanceof GeneralPath)
                        at = getReverseArrowTransform((GeneralPath) edgeShape, vertexShape, !isLoop);
                    else
                        at = getReverseArrowTransform(new GeneralPath(edgeShape), vertexShape, !isLoop);
                    if (at == null)
                        return;
                    Shape arrow = edgeArrowFunction.getArrow(e);
                    arrow = at.createTransformedShape(arrow);
                    g.fill(arrow);
                }
            }
        }
        // use existing paint for text if no draw paint specified
        if (draw_paint == null)
            g.setPaint(oldPaint);
        String label = edgeStringer.getLabel(e);
        if (label != null) {
            labelEdge(g, e, label, x1, x2, y1, y2);
        }

        // restore old paint
        g.setPaint(oldPaint);
    }
}

From source file:aprofplot.jfreechart.SamplingXYLineAndShapeRenderer.java

/**
 * Draws the visual representation of a series as shapes.
 *
 * @param g2  the graphics device./*w  ww .j a  va  2  s.  com*/
 * @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 crosshairState  crosshair information for the plot
 *                        (<code>null</code> permitted).
 * @param pass  the pass index.
 * @param drawShapes  a flag indicating whether shapes should be drawn
 * @param createEntities  a flag indicating whether entities should be
 * generated.
 */
protected void drawSeriesShapes(Graphics2D g2, State state, Rectangle2D dataArea, PlotRenderingInfo info,
        XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series,
        CrosshairState crosshairState, int pass, boolean drawShapes, boolean createEntities) {
    if (!drawShapes && !createEntities) {
        return;
    }
    PlotOrientation orientation = plot.getOrientation();
    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();

    double x = 0.0;
    double y = 0.0;
    double transX = 0.0;
    double transY = 0.0;
    boolean itemShapeFilled = getItemShapeFilled(series, 0);
    boolean drawOutlines = getDrawOutlines();
    Paint itemFillPaint = getUseFillPaint() ? getItemFillPaint(series, 0) : getItemPaint(series, 0);
    Paint itemOutlinePaint = getUseOutlinePaint() ? getItemOutlinePaint(series, 0) : getItemPaint(series, 0);
    Stroke itemOutlineStroke = getItemOutlineStroke(series, 0);
    Shape centeredShape = getItemShape(series, 0);
    /*
      if(centeredShape instanceof LinedShape){
    itemOutlinePaint = itemFillPaint;
    drawOutlines = true;
    itemShapeFilled = false;
      }
    */
    //draw items
    //and create entities
    EntityCollection entities = null;
    if (info != null) {
        entities = info.getOwner().getEntityCollection();
    }
    int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
    int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);

    for (int itemIndex = state.getFirstItemIndex(); itemIndex <= state.getLastItemIndex(); itemIndex++) {
        if (state.itemVisible(series, itemIndex)) {
            x = dataset.getXValue(series, itemIndex);
            y = dataset.getYValue(series, itemIndex);
            transX = domainAxis.valueToJava2D(x, dataArea, xAxisLocation);
            transY = rangeAxis.valueToJava2D(y, dataArea, yAxisLocation);
            if (orientation == PlotOrientation.HORIZONTAL) {
                double temp = transX;
                transX = transY;
                transY = temp;
            }
            updateCrosshairValues(crosshairState, x, y, domainAxisIndex, rangeAxisIndex, transX, transY,
                    orientation);

            Shape shape = ShapeUtilities.createTranslatedShape(centeredShape, transX, transY);

            if (drawShapes) {
                if (itemShapeFilled) {
                    g2.setPaint(itemFillPaint);
                    g2.fill(shape);
                }
                if (drawOutlines) {
                    g2.setPaint(itemOutlinePaint);
                    g2.setStroke(itemOutlineStroke);
                    g2.draw(shape);
                }
            }
            if (createEntities && entities != null) {
                addEntity(entities, shape, dataset, series, itemIndex, transX, transY);
            }
        }
    }
}

From source file:edu.dlnu.liuwenpeng.render.LineAndShapeRenderer.java

public void drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot,
        CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass) {
    ls.add(dataset.getValue(0, column).doubleValue());

    if (!getItemVisible(row, column)) {
        return;/*from   w ww  .  jav a 2s. co  m*/
    }

    if (!getItemLineVisible(row, column) && !getItemShapeVisible(row, column)) {
        return;
    }

    // nothing is drawn for null...    
    Number v = dataset.getValue(row, column);
    if (v == null) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();

    // current data point...    
    double x1;
    if (this.useSeriesOffset) {
        x1 = domainAxis.getCategorySeriesMiddle(dataset.getColumnKey(column), dataset.getRowKey(row), dataset,
                this.itemMargin, 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);
            if (previousValue != null) {
                // previous data point...    
                double previous = previousValue.doubleValue();
                double x0;
                if (this.useSeriesOffset) {
                    x0 = domainAxis.getCategorySeriesMiddle(dataset.getColumnKey(column - 1),
                            dataset.getRowKey(row), dataset, this.itemMargin, dataArea,
                            plot.getDomainAxisEdge());
                } else {
                    x0 = domainAxis.getCategoryMiddle(column - 1, 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 (this.useFillPaint) {
                    g2.setPaint(getItemFillPaint(row, column));
                } else {
                    g2.setPaint(getItemPaint(row, column));
                }
                g2.fill(shape);
            }
            if (this.drawOutlines) {
                if (this.useOutlinePaint) {
                    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));
            }
        }

        // add an item entity, if this information is being collected    
        EntityCollection entities = state.getEntityCollection();
        if (entities != null) {
            addItemEntity(entities, dataset, row, column, shape);
        }
    }
    if (i == dataset.getColumnCount() - 1) {
        average = GetAverage.getAverage(ls);

        double averangeline = rangeAxis.valueToJava2D(average, dataArea, plot.getRangeAxisEdge());
        double x = rangeAxis.valueToJava2D(dataset.getColumnCount() - 1, dataArea, plot.getDomainAxisEdge());
        Line2D line2d = new Line2D.Double(0, averangeline, x, averangeline);
        g2.setPaint(Color.white);
        g2.draw(line2d);
        i = 0;
        ls.clear();
    }
    i++;
}

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

/**
 * Draws a radar plot polygon./* w  w  w  . j a va2  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();

            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:org.operamasks.faces.render.graph.XYCurveAndShapeRenderer.java

/**
 * Draws the item (first pass). This method draws the lines
 * connecting the items. Instead of drawing separate lines,
 * a GeneralPath is constructed and drawn at the end of
 * the series painting.//from   w w  w .j  ava 2 s  .  c o  m
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param plot  the plot (can be used to obtain standard color information
 *              etc).
 * @param dataset  the dataset.
 * @param pass  the pass.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataArea  the area within which the data is being drawn.
 */
protected void drawPrimaryLineAsPath(XYItemRendererState state, Graphics2D g2, XYPlot plot, XYDataset dataset,
        int pass, int series, int item, ValueAxis domainAxis, ValueAxis rangeAxis, Rectangle2D dataArea) {

    if (item != 0) {
        return;
    }

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
    PlotOrientation orientation = plot.getOrientation();

    int itemCount = dataset.getItemCount(series);
    double[][] points = new double[itemCount][2];
    int count = 0;

    for (int i = 0; i < itemCount; i++) {
        double x = dataset.getXValue(series, i);
        double y = dataset.getYValue(series, i);
        double transX = domainAxis.valueToJava2D(x, dataArea, xAxisLocation);
        double transY = rangeAxis.valueToJava2D(y, dataArea, yAxisLocation);
        if (!Double.isNaN(transX) && !Double.isNaN(transY)) {
            points[count][0] = transX;
            points[count][1] = transY;
            count++;
        }
    }

    if (count < 2) {
        return;
    }

    // sort points according to x axis
    Arrays.sort(points, new Comparator<double[]>() {
        public int compare(double[] a, double[] b) {
            return a[0] > b[0] ? 1 : a[0] < b[0] ? -1 : 0;
        }
    });

    // draw curve
    CubicSplineFunction2D f = new CubicSplineFunction2D(points, count);
    GeneralPath path = new GeneralPath();

    double startX = points[0][0];
    double startY = points[0][1];
    double endX = points[count - 1][0];
    double endY = points[count - 1][1];
    double yz = rangeAxis.valueToJava2D(0.0, dataArea, yAxisLocation);

    if (orientation == PlotOrientation.HORIZONTAL) {
        if (drawArea) {
            path.moveTo((float) yz, (float) startX);
            path.lineTo((float) startY, (float) startX);
            for (double x = Math.floor(startX) + 1.0; x < endX; x += 1.0) {
                path.lineTo((float) f.getValue(x), (float) x);
            }
            path.lineTo((float) endY, (float) endX);
            path.lineTo((float) yz, (float) endX);
            path.closePath();
        } else {
            path.moveTo((float) startY, (float) startX);
            for (double x = Math.floor(startX) + 1.0; x < endX; x += 1.0) {
                path.lineTo((float) f.getValue(x), (float) x);
            }
            path.lineTo((float) endY, (float) endX);
        }
    } else {
        if (drawArea) {
            path.moveTo((float) startX, (float) yz);
            path.lineTo((float) startX, (float) startY);
            for (double x = Math.floor(startX) + 1.0; x < endX; x += 1.0) {
                path.lineTo((float) x, (float) f.getValue(x));
            }
            path.lineTo((float) endX, (float) endY);
            path.lineTo((float) endX, (float) yz);
            path.closePath();
        } else {
            path.moveTo((float) startX, (float) startY);
            for (double x = Math.floor(startX) + 1.0; x < endX; x += 1.0) {
                path.lineTo((float) x, (float) f.getValue(x));
            }
            path.lineTo((float) endX, (float) endY);
        }
    }

    Paint paint = getItemPaint(series, item);
    Stroke stroke = getItemStroke(series, item);

    if (drawArea) {
        g2.setPaint(paint);
        g2.fill(path);

        // create paint for outline
        if (paint instanceof Color) {
            paint = ((Color) paint).darker();
        } else if (paint instanceof GradientPaint) {
            paint = ((GradientPaint) paint).getColor1().darker();
        }
    }

    g2.setPaint(paint);
    g2.setStroke(stroke);
    g2.draw(path);
}