Example usage for java.awt Graphics2D setPaint

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.dlnu.liuwenpeng.render.XYLineAndShapeRenderer.java

/**    
 * Draws the first pass shape.    //from  w w  w. j av a  2 s  . com
 *    
 * @param g2  the graphics device.    
 * @param pass  the pass.    
 * @param series  the series index.    
 * @param item  the item index.    
 * @param shape  the shape.    
 */
protected void drawFirstPassShape(Graphics2D g2, int pass, int series, int item, Shape shape) {
    g2.setStroke(getItemStroke(series, item));
    g2.setPaint(Color.red);
    g2.draw(shape);
}

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From source file:com.rapidminer.gui.new_plotter.engine.jfreechart.link_and_brush.LinkAndBrushChartPanel.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 w  ww .j  av a  2s. co  m*/
 * 
 * @param g2
 *            the graphics device.
 * @param xor
 *            use XOR for drawing?
 */
private void drawZoomRectangle(Graphics2D g2, boolean xor) {
    Rectangle2D zoomRectangle = (Rectangle2D) getChartFieldValueByName("zoomRectangle");
    if (zoomRectangle != null) {
        // fix rectangle parameters when chart is transformed
        zoomRectangle = coordinateTransformation.transformRectangle(zoomRectangle, this);
        if (!(coordinateTransformation instanceof NullCoordinateTransformation)) {
            g2 = coordinateTransformation.getTransformedGraphics(this);
        }
        if (xor) {
            // Set XOR mode to draw the zoom rectangle
            g2.setXORMode(Color.gray);
        }
        if ((Boolean) getChartFieldValueByName("fillZoomRectangle")) {
            g2.setPaint((Paint) getChartFieldValueByName("zoomFillPaint"));
            g2.fill(zoomRectangle);
        } else {
            g2.setPaint((Paint) getChartFieldValueByName("zoomOutlinePaint"));
            g2.draw(zoomRectangle);
        }
        if (xor) {
            // Reset to the default 'overwrite' mode
            g2.setPaintMode();
        }
    }
}

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From source file:org.esa.snap.graphbuilder.rcp.dialogs.support.GraphNode.java

/**
 * Draw a GraphNode as a rectangle with a name
 *
 * @param g   The Java2D Graphics//from w w  w  .j  a  v a 2  s.  c  om
 * @param col The color to draw
 */
public void drawNode(final Graphics2D g, final Color col) {
    final int x = displayPosition.x;
    final int y = displayPosition.y;

    g.setFont(g.getFont().deriveFont(Font.BOLD, 11));
    final FontMetrics metrics = g.getFontMetrics();
    final String name = node.getId();
    final Rectangle2D rect = metrics.getStringBounds(name, g);
    final int stringWidth = (int) rect.getWidth();
    setSize(Math.max(stringWidth, 50) + 10, 25);

    int step = 4;
    int alpha = 96;
    for (int i = 0; i < step; ++i) {
        g.setColor(new Color(0, 0, 0, alpha - (32 * i)));
        g.drawLine(x + i + 1, y + nodeHeight + i, x + nodeWidth + i - 1, y + nodeHeight + i);
        g.drawLine(x + nodeWidth + i, y + i, x + nodeWidth + i, y + nodeHeight + i);
    }

    Shape clipShape = new Rectangle(x, y, nodeWidth, nodeHeight);

    g.setComposite(AlphaComposite.SrcAtop);
    g.setPaint(new GradientPaint(x, y, col, x + nodeWidth, y + nodeHeight, col.darker()));
    g.fill(clipShape);

    g.setColor(Color.blue);
    g.draw3DRect(x, y, nodeWidth - 1, nodeHeight - 1, true);

    g.setColor(Color.BLACK);
    g.drawString(name, x + (nodeWidth - stringWidth) / 2, y + 15);
}

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From source file:net.sf.fspdfs.chartthemes.spring.ScaledDialScale.java

/**
 * Draws the scale on the dial plot./*from   w w w.jav  a2  s . c o  m*/
 *
 * @param g2  the graphics target (<code>null</code> not permitted).
 * @param plot  the dial plot (<code>null</code> not permitted).
 * @param frame  the reference frame that is used to construct the
 *     geometry of the plot (<code>null</code> not permitted).
 * @param view  the visible part of the plot (<code>null</code> not 
 *     permitted).
 */
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {

    Rectangle2D arcRect = DialPlot.rectangleByRadius(frame, this.getTickRadius(), this.getTickRadius());
    Rectangle2D arcRectMajor = DialPlot.rectangleByRadius(frame,
            this.getTickRadius() - this.getMajorTickLength(), this.getTickRadius() - this.getMajorTickLength());
    Rectangle2D arcRectMinor = arcRect;
    if (this.getMinorTickCount() > 0 && this.getMinorTickLength() > 0.0) {
        arcRectMinor = DialPlot.rectangleByRadius(frame, this.getTickRadius() - this.getMinorTickLength(),
                this.getTickRadius() - this.getMinorTickLength());
    }
    Rectangle2D arcRectForLabels = DialPlot.rectangleByRadius(frame,
            this.getTickRadius() - this.getTickLabelOffset(), this.getTickRadius() - this.getTickLabelOffset());

    boolean firstLabel = true;

    Arc2D arc = new Arc2D.Double();
    Line2D workingLine = new Line2D.Double();
    Stroke arcStroke = new BasicStroke(0.75f);

    for (double v = this.getLowerBound(); v <= this.getUpperBound(); v += this.getMajorTickIncrement()) {
        arc.setArc(arcRect, this.getStartAngle(), valueToAngle(v) - this.getStartAngle(), Arc2D.OPEN);
        g2.setPaint(this.getMajorTickPaint());
        g2.setStroke(arcStroke);
        g2.draw(arc);

        Point2D pt0 = arc.getEndPoint();
        arc.setArc(arcRectMajor, this.getStartAngle(), valueToAngle(v) - this.getStartAngle(), Arc2D.OPEN);
        Point2D pt1 = arc.getEndPoint();
        g2.setPaint(this.getMajorTickPaint());
        g2.setStroke(this.getMajorTickStroke());
        workingLine.setLine(pt0, pt1);
        g2.draw(workingLine);
        arc.setArc(arcRectForLabels, this.getStartAngle(), valueToAngle(v) - this.getStartAngle(), Arc2D.OPEN);
        Point2D pt2 = arc.getEndPoint();

        if (this.getTickLabelsVisible()) {
            if (!firstLabel || this.getFirstTickLabelVisible()) {
                g2.setFont(this.getTickLabelFont());
                TextUtilities.drawAlignedString(this.getTickLabelFormatter().format(v), g2, (float) pt2.getX(),
                        (float) pt2.getY(), TextAnchor.CENTER);
            }
        }
        firstLabel = false;

        // now do the minor tick marks
        if (this.getMinorTickCount() > 0 && this.getMinorTickLength() > 0.0) {
            double minorTickIncrement = this.getMajorTickIncrement() / (this.getMinorTickCount() + 1);
            for (int i = 0; i < this.getMinorTickCount(); i++) {
                double vv = v + ((i + 1) * minorTickIncrement);
                if (vv >= this.getUpperBound()) {
                    break;
                }
                double angle = valueToAngle(vv);

                arc.setArc(arcRect, this.getStartAngle(), angle - this.getStartAngle(), Arc2D.OPEN);
                pt0 = arc.getEndPoint();
                arc.setArc(arcRectMinor, this.getStartAngle(), angle - this.getStartAngle(), Arc2D.OPEN);
                Point2D pt3 = arc.getEndPoint();
                g2.setStroke(this.getMinorTickStroke());
                g2.setPaint(this.getMinorTickPaint());
                workingLine.setLine(pt0, pt3);
                g2.draw(workingLine);
            }
        }

    }
}

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From source file:net.sf.jasperreports.chartthemes.spring.ScaledDialScale.java

/**
 * Draws the scale on the dial plot./*from w  ww.ja v  a2 s  .c o m*/
 *
 * @param g2  the graphics target (<code>null</code> not permitted).
 * @param plot  the dial plot (<code>null</code> not permitted).
 * @param frame  the reference frame that is used to construct the
 *     geometry of the plot (<code>null</code> not permitted).
 * @param view  the visible part of the plot (<code>null</code> not 
 *     permitted).
 */
@Override
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {

    Rectangle2D arcRect = DialPlot.rectangleByRadius(frame, this.getTickRadius(), this.getTickRadius());
    Rectangle2D arcRectMajor = DialPlot.rectangleByRadius(frame,
            this.getTickRadius() - this.getMajorTickLength(), this.getTickRadius() - this.getMajorTickLength());
    Rectangle2D arcRectMinor = arcRect;
    if (this.getMinorTickCount() > 0 && this.getMinorTickLength() > 0.0) {
        arcRectMinor = DialPlot.rectangleByRadius(frame, this.getTickRadius() - this.getMinorTickLength(),
                this.getTickRadius() - this.getMinorTickLength());
    }
    Rectangle2D arcRectForLabels = DialPlot.rectangleByRadius(frame,
            this.getTickRadius() - this.getTickLabelOffset(), this.getTickRadius() - this.getTickLabelOffset());

    boolean firstLabel = true;

    Arc2D arc = new Arc2D.Double();
    Line2D workingLine = new Line2D.Double();
    Stroke arcStroke = new BasicStroke(0.75f);

    for (double v = this.getLowerBound(); v <= this.getUpperBound(); v += this.getMajorTickIncrement()) {
        arc.setArc(arcRect, this.getStartAngle(), valueToAngle(v) - this.getStartAngle(), Arc2D.OPEN);
        g2.setPaint(this.getMajorTickPaint());
        g2.setStroke(arcStroke);
        g2.draw(arc);

        Point2D pt0 = arc.getEndPoint();
        arc.setArc(arcRectMajor, this.getStartAngle(), valueToAngle(v) - this.getStartAngle(), Arc2D.OPEN);
        Point2D pt1 = arc.getEndPoint();
        g2.setPaint(this.getMajorTickPaint());
        g2.setStroke(this.getMajorTickStroke());
        workingLine.setLine(pt0, pt1);
        g2.draw(workingLine);
        arc.setArc(arcRectForLabels, this.getStartAngle(), valueToAngle(v) - this.getStartAngle(), Arc2D.OPEN);
        Point2D pt2 = arc.getEndPoint();

        if (this.getTickLabelsVisible()) {
            if (!firstLabel || this.getFirstTickLabelVisible()) {
                g2.setFont(this.getTickLabelFont());
                TextUtilities.drawAlignedString(this.getTickLabelFormatter().format(v), g2, (float) pt2.getX(),
                        (float) pt2.getY(), TextAnchor.CENTER);
            }
        }
        firstLabel = false;

        // now do the minor tick marks
        if (this.getMinorTickCount() > 0 && this.getMinorTickLength() > 0.0) {
            double minorTickIncrement = this.getMajorTickIncrement() / (this.getMinorTickCount() + 1);
            for (int i = 0; i < this.getMinorTickCount(); i++) {
                double vv = v + ((i + 1) * minorTickIncrement);
                if (vv >= this.getUpperBound()) {
                    break;
                }
                double angle = valueToAngle(vv);

                arc.setArc(arcRect, this.getStartAngle(), angle - this.getStartAngle(), Arc2D.OPEN);
                pt0 = arc.getEndPoint();
                arc.setArc(arcRectMinor, this.getStartAngle(), angle - this.getStartAngle(), Arc2D.OPEN);
                Point2D pt3 = arc.getEndPoint();
                g2.setStroke(this.getMinorTickStroke());
                g2.setPaint(this.getMinorTickPaint());
                workingLine.setLine(pt0, pt3);
                g2.draw(workingLine);
            }
        }

    }
}

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From source file:org.gvsig.remotesensing.scatterplot.chart.ScatterPlotDiagram.java

/**Pinta la lista de ROis Visibles sobre el grafico*/
public void drawsROIs(Graphics2D g2) {

    Iterator iterator = roiList.getList().iterator();
    ROIChart roiDraw = null;//  w ww . j a  va 2s .co m

    while (iterator.hasNext()) {

        roiDraw = (ROIChart) iterator.next();
        if (activeROI.equals(roiDraw)) {
            g2.setPaint(roiDraw.getColor());
            for (int i = 0; i < roiDraw.getShapesList().size(); i++) {
                g2.fill((Shape) roiDraw.getShapesList().get(i));
            }

        }

        else if (roiDraw.getShapesList().size() > 0) {
            g2.setPaint(roiDraw.getColor());
            for (int i = 0; i < roiDraw.getShapesList().size(); i++) {
                g2.setPaint(roiDraw.getColor());
                g2.draw((Shape) roiDraw.getShapesList().get(i));
            }
        }

    }
}

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

/**
 * Draws an item label.  This method is provided as an alternative to
 * {@link #drawItemLabel(Graphics2D, PlotOrientation, XYDataset, int, int, 
 * double, double, boolean)} so that the bar can be used to calculate the 
 * label anchor point. //from   w w w .j  a  v  a2s  .  c o  m
 * 
 * @param g2  the graphics device.
 * @param dataset  the dataset.
 * @param series  the series index.
 * @param item  the item index.
 * @param plot  the plot.
 * @param generator  the label generator (<code>null</code> permitted, in 
 *         which case the method does nothing, just returns).
 * @param bar  the bar.
 * @param negative  a flag indicating a negative value.
 */
protected void drawItemLabel(Graphics2D g2, XYDataset dataset, int series, int item, XYPlot plot,
        XYItemLabelGenerator generator, Rectangle2D bar, boolean negative) {

    if (generator == null) {
        return; // nothing to do
    }
    String label = generator.generateLabel(dataset, series, item);
    if (label == null) {
        return; // nothing to do   
    }

    Font labelFont = getItemLabelFont(series, item);
    g2.setFont(labelFont);
    Paint paint = getItemLabelPaint(series, item);
    g2.setPaint(paint);

    // find out where to place the label...
    ItemLabelPosition position = null;
    if (!negative) {
        position = getPositiveItemLabelPosition(series, item);
    } else {
        position = getNegativeItemLabelPosition(series, item);
    }

    // work out the label anchor point...
    Point2D anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), bar, plot.getOrientation());

    if (isInternalAnchor(position.getItemLabelAnchor())) {
        Shape bounds = TextUtilities.calculateRotatedStringBounds(label, g2, (float) anchorPoint.getX(),
                (float) anchorPoint.getY(), position.getTextAnchor(), position.getAngle(),
                position.getRotationAnchor());

        if (bounds != null) {
            if (!bar.contains(bounds.getBounds2D())) {
                if (!negative) {
                    position = getPositiveItemLabelPositionFallback();
                } else {
                    position = getNegativeItemLabelPositionFallback();
                }
                if (position != null) {
                    anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), bar,
                            plot.getOrientation());
                }
            }
        }

    }

    if (position != null) {
        TextUtilities.drawRotatedString(label, g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(),
                position.getTextAnchor(), position.getAngle(), position.getRotationAnchor());
    }
}

---

From source file:org.pentaho.reporting.engine.classic.core.modules.output.pageable.graphics.internal.LogicalPageDrawable.java

/**
 * Draws the object.//from w  ww .j a v  a  2s  .c  o  m
 *
 * @param graphics
 *          the graphics device.
 * @param area
 *          the area inside which the object should be drawn.
 */
public void draw(final Graphics2D graphics, final Rectangle2D area) {
    final Graphics2D g2 = (Graphics2D) graphics.create();
    if (isDrawPageBackground()) {
        g2.setPaint(Color.white);
        g2.fill(area);
    }
    g2.translate(-area.getX(), -area.getY());

    try {
        final StrictBounds pageBounds = StrictGeomUtility.createBounds(area.getX(), area.getY(),
                area.getWidth(), area.getHeight());
        this.pageArea = pageBounds;
        this.drawArea = pageBounds;
        this.graphics = g2;

        if (startBlockBox(rootBox)) {
            processRootBand(pageBounds);
        }
        finishBlockBox(rootBox);
    } finally {
        this.graphics = null;
        this.drawArea = null;
        g2.dispose();
    }
}

---

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

/**    
* Draws an item label.  This method is overridden so that the bar can be    
* used to calculate the label anchor point.    
*    /* w  w  w . ja  v a  2  s.co m*/
* @param g2  the graphics device.    
* @param data  the dataset.    
* @param row  the row.    
* @param column  the column.    
* @param plot  the plot.    
* @param generator  the label generator.    
* @param bar  the bar.    
* @param negative  a flag indicating a negative value.    
*/
protected void drawItemLabel(Graphics2D g2, CategoryDataset data, int row, int column, CategoryPlot plot,
        CategoryItemLabelGenerator generator, Rectangle2D bar, boolean negative) {

    String label = generator.generateLabel(data, row, column);
    if (label == null) {
        return; // nothing to do    
    }

    Font labelFont = getItemLabelFont(row, column);
    g2.setFont(labelFont);
    Paint paint = getItemLabelPaint(row, column);
    g2.setPaint(paint);

    // find out where to place the label...    
    ItemLabelPosition position = null;
    if (!negative) {
        position = getPositiveItemLabelPosition(row, column);
    } else {
        position = getNegativeItemLabelPosition(row, column);
    }

    // work out the label anchor point...    
    Point2D anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), bar, plot.getOrientation());

    if (isInternalAnchor(position.getItemLabelAnchor())) {
        Shape bounds = TextUtilities.calculateRotatedStringBounds(label, g2, (float) anchorPoint.getX(),
                (float) anchorPoint.getY(), position.getTextAnchor(), position.getAngle(),
                position.getRotationAnchor());

        if (bounds != null) {
            if (!bar.contains(bounds.getBounds2D())) {
                if (!negative) {
                    position = getPositiveItemLabelPositionFallback();
                } else {
                    position = getNegativeItemLabelPositionFallback();
                }
                if (position != null) {
                    anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), bar,
                            plot.getOrientation());
                }
            }
        }

    }

    if (position != null) {
        TextUtilities.drawRotatedString(label, g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(),
                position.getTextAnchor(), position.getAngle(), position.getRotationAnchor());
    }
}

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From source file:org.jfree.experimental.chart.plot.dial.DialValueIndicator.java

/**
 * Draws the background to the specified graphics device.  If the dial
 * frame specifies a window, the clipping region will already have been 
 * set to this window before this method is called.
 *
 * @param g2  the graphics device (<code>null</code> not permitted).
 * @param plot  the plot (ignored here).
 * @param frame  the dial frame (ignored here).
 * @param view  the view rectangle (<code>null</code> not permitted). 
 *//*w w w .  j av  a2 s  . c  o m*/
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {

    // work out the anchor point
    Rectangle2D f = DialPlot.rectangleByRadius(frame, this.radius, this.radius);
    Arc2D arc = new Arc2D.Double(f, this.angle, 0.0, Arc2D.OPEN);
    Point2D pt = arc.getStartPoint();

    // calculate the bounds of the template value
    FontMetrics fm = g2.getFontMetrics(this.font);
    String s = this.formatter.format(this.templateValue);
    Rectangle2D tb = TextUtilities.getTextBounds(s, g2, fm);

    // align this rectangle to the frameAnchor
    Rectangle2D bounds = RectangleAnchor.createRectangle(new Size2D(tb.getWidth(), tb.getHeight()), pt.getX(),
            pt.getY(), this.frameAnchor);

    // add the insets
    Rectangle2D fb = this.insets.createOutsetRectangle(bounds);

    // draw the background
    g2.setPaint(this.backgroundPaint);
    g2.fill(fb);

    // draw the border
    g2.setStroke(this.outlineStroke);
    g2.setPaint(this.outlinePaint);
    g2.draw(fb);

    // now find the text anchor point
    double value = plot.getValue(this.datasetIndex);
    String valueStr = this.formatter.format(value);
    Point2D pt2 = RectangleAnchor.coordinates(bounds, this.valueAnchor);
    g2.setPaint(this.paint);
    g2.setFont(this.font);
    TextUtilities.drawAlignedString(valueStr, g2, (float) pt2.getX(), (float) pt2.getY(), this.textAnchor);

}

---

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