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:no.met.jtimeseries.chart.XYWindArrowRenderer.java

private void drawArrow(Graphics2D g, double speed) {
    int startX = -(arrowWidth / 2);
    int startY = -(arrowHeight / 2);
    // draw main arrow line
    g.fill(new Rectangle2D.Double(startX, startY, arrowWidth, arrowHeight));

    // drawing speed feathers (representing 25 ms each)
    int featherOffset = 0;
    int featherHeight = arrowHeight / featherPadding;
    int flagFeathers = (int) speed / 25;
    int[] flagFeatherX = { 1, -featherWidth, 1 };
    for (int i = 0; i < flagFeathers; i++) {
        if (i > 0)
            featherOffset += 1; // more space if multiple flags
        int yValue = (arrowHeight / 2) - (featherOffset * featherHeight);
        int flagSize = (int) (featherHeight * 1.5f);
        int[] flagFeatherY = { yValue, (yValue - flagSize / 2), yValue - flagSize };
        g.fill(new Polygon(flagFeatherX, flagFeatherY, 3));
        featherOffset += 1;//  w ww . j a va2  s  .  co  m
    }
    // Add space between flag-feather and next
    if (flagFeathers > 0)
        featherOffset++;
    double remainingSpeed = speed - (flagFeathers * 25);

    // draw full feathers (representing 5 ms each)
    int fullFeathers = (int) remainingSpeed / 5;
    g.setStroke(new BasicStroke(arrowWidth));
    for (int i = 0; i < fullFeathers; i++) {
        int yValue = (arrowHeight / 2) - (featherOffset * featherHeight);
        yValue -= (arrowWidth / 2); // allign with start of arrow
        int[] x = { 1, -featherWidth };
        int[] y = { yValue, yValue };
        g.draw(new Polygon(x, y, 2));
        featherOffset += 1;
    }
    remainingSpeed = remainingSpeed - (fullFeathers * 5);

    // draw half feathers (representing 2.5 ms each)
    int halfFeathers = (int) (remainingSpeed / 2.5);
    // never draw half-feathers at the start
    if (featherOffset == 0)
        featherOffset = 1;
    for (int i = 0; i < halfFeathers; i++) {
        int yValue = (arrowHeight / 2) - (featherOffset * featherHeight);
        yValue -= (arrowWidth / 2); // allign with start of arrow
        int[] x = { 1, (-featherWidth / 2) };
        int[] y = { yValue, yValue };
        g.draw(new Polygon(x, y, 2));
        featherOffset += 1;
    }

    g.setStroke(new BasicStroke(1));
}

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

/**
 * Draws the pointer.//ww  w.  j  ava 2  s.c  om
 *
 * @param g2  the graphics target.
 * @param plot  the plot.
 * @param frame  the dial's reference frame.
 * @param view  the dial's view.
 */
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {

    g2.setStroke(new BasicStroke(1.0f));
    Rectangle2D lengthRect = DialPlot.rectangleByRadius(frame, this.getRadius(), this.getRadius());
    Rectangle2D widthRect = DialPlot.rectangleByRadius(frame, this.getWidthRadius(), this.getWidthRadius());
    double value = ChartThemesUtilities.getScaledValue(plot.getValue(this.getDatasetIndex()), scale);
    DialScale scale = plot.getScaleForDataset(this.getDatasetIndex());
    double angle = scale.valueToAngle(value);

    Arc2D arc1 = new Arc2D.Double(lengthRect, angle, 0, Arc2D.OPEN);
    Point2D pt1 = arc1.getEndPoint();
    Arc2D arc2 = new Arc2D.Double(widthRect, angle - 90.0, 180.0, Arc2D.OPEN);
    Point2D pt2 = arc2.getStartPoint();
    Point2D pt3 = arc2.getEndPoint();
    Arc2D arc3 = new Arc2D.Double(widthRect, angle - 180.0, 0.0, Arc2D.OPEN);
    Point2D pt4 = arc3.getStartPoint();

    GeneralPath gp = new GeneralPath();
    gp.moveTo((float) pt1.getX(), (float) pt1.getY());
    gp.lineTo((float) pt2.getX(), (float) pt2.getY());
    gp.lineTo((float) pt4.getX(), (float) pt4.getY());
    gp.lineTo((float) pt3.getX(), (float) pt3.getY());
    gp.closePath();
    g2.setPaint(this.fillPaint);
    g2.fill(gp);

    g2.setPaint(this.getOutlinePaint());
    Line2D line = new Line2D.Double(frame.getCenterX(), frame.getCenterY(), pt1.getX(), pt1.getY());
    //      g2.draw(line);

    line.setLine(pt2, pt3);
    g2.draw(line);

    line.setLine(pt3, pt1);
    g2.draw(line);

    line.setLine(pt2, pt1);
    g2.draw(line);

    line.setLine(pt2, pt4);
    g2.draw(line);

    line.setLine(pt3, pt4);
    g2.draw(line);
}

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

/**
 * Draws the pointer.// w  ww  .ja  va2s.  c  om
 *
 * @param g2  the graphics target.
 * @param plot  the plot.
 * @param frame  the dial's reference frame.
 * @param view  the dial's view.
 */
@Override
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {

    g2.setStroke(new BasicStroke(1.0f));
    Rectangle2D lengthRect = DialPlot.rectangleByRadius(frame, this.getRadius(), this.getRadius());
    Rectangle2D widthRect = DialPlot.rectangleByRadius(frame, this.getWidthRadius(), this.getWidthRadius());
    double value = ChartThemesUtilities.getScaledValue(plot.getValue(this.getDatasetIndex()), scale);
    DialScale scale = plot.getScaleForDataset(this.getDatasetIndex());
    double angle = scale.valueToAngle(value);

    Arc2D arc1 = new Arc2D.Double(lengthRect, angle, 0, Arc2D.OPEN);
    Point2D pt1 = arc1.getEndPoint();
    Arc2D arc2 = new Arc2D.Double(widthRect, angle - 90.0, 180.0, Arc2D.OPEN);
    Point2D pt2 = arc2.getStartPoint();
    Point2D pt3 = arc2.getEndPoint();
    Arc2D arc3 = new Arc2D.Double(widthRect, angle - 180.0, 0.0, Arc2D.OPEN);
    Point2D pt4 = arc3.getStartPoint();

    GeneralPath gp = new GeneralPath();
    gp.moveTo((float) pt1.getX(), (float) pt1.getY());
    gp.lineTo((float) pt2.getX(), (float) pt2.getY());
    gp.lineTo((float) pt4.getX(), (float) pt4.getY());
    gp.lineTo((float) pt3.getX(), (float) pt3.getY());
    gp.closePath();
    g2.setPaint(this.fillPaint);
    g2.fill(gp);

    g2.setPaint(this.getOutlinePaint());
    Line2D line = new Line2D.Double(frame.getCenterX(), frame.getCenterY(), pt1.getX(), pt1.getY());
    //      g2.draw(line);

    line.setLine(pt2, pt3);
    g2.draw(line);

    line.setLine(pt3, pt1);
    g2.draw(line);

    line.setLine(pt2, pt1);
    g2.draw(line);

    line.setLine(pt2, pt4);
    g2.draw(line);

    line.setLine(pt3, pt4);
    g2.draw(line);
}

From source file:org.tsho.dmc2.core.chart.jfree.DmcChartPanel.java

/**
 * Handles a 'mouse exited' event./* www  . ja v a 2  s.  com*/
 * <P>
 * This method does nothing, but is required for implementation of the MouseListener
 * interface.
 *
 * @param e  the mouse event.
 */
public void mouseExited(MouseEvent e) {
    Graphics2D g2 = (Graphics2D) getGraphics();
    Rectangle2D dataArea = getScaledDataArea();

    g2.setXORMode(java.awt.Color.orange);
    if (verticalTraceLine != null) {
        g2.draw(verticalTraceLine);
        verticalTraceLine = null;
    }
    if (horizontalTraceLine != null) {
        g2.draw(horizontalTraceLine);
        horizontalTraceLine = null;
    }

}

From source file:org.squidy.designer.zoom.impl.DataTypeShape.java

@Override
protected void paintShapeZoomedOut(PPaintContext paintContext) {
    Graphics2D g = paintContext.getGraphics();

    if (dataTypes != null && dataTypes.size() > 0) {
        int i = 0;

        alreadyPaintedHighLevelDataTypes.clear();
        for (Class<? extends IData> type : dataTypes) {

            if (type.isAssignableFrom(IData.class)) {
                continue;
            }/*  w  ww.  j a  va 2  s .c  o m*/

            Class<? extends IData> highLevelDataType = DataUtility.getHighLevelDataType(type);

            if (alreadyPaintedHighLevelDataTypes.contains(highLevelDataType)) {
                continue;
            }

            Color color;
            if (!COLOR_CACHE.containsKey(highLevelDataType)) {
                DataType dataType = highLevelDataType.getAnnotation(DataType.class);
                int[] colorScheme = dataType.color();
                color = new Color(colorScheme[0], colorScheme[1], colorScheme[2], colorScheme[3]);
                COLOR_CACHE.put(highLevelDataType, color);
            } else {
                color = COLOR_CACHE.get(highLevelDataType);
            }

            translationArrow.setToTranslation(i * 750, 0);
            paintContext.pushTransform(translationArrow);

            g.setColor(color);
            g.fill(arrowShape);

            g.setStroke(STROKE_ARROW_BOLD);
            g.setColor(Color.BLACK);
            g.draw(arrowShape);

            paintContext.popTransform(translationArrow);

            alreadyPaintedHighLevelDataTypes.add(highLevelDataType);

            i++;
        }
    } else {
        drawNoDataType(g);
    }

    // g.setColor(Color.BLACK);
    // g.setStroke(StrokeUtils.getBasicStroke(105f));
    // g.draw(getGlobalBoundsZoomedIn());
}

From source file:com.joey.software.regionSelectionToolkit.controlers.ImageProfileToolDynamicRangePanel.java

@Override
public void draw(Graphics2D g) {

    updateSelectionData();//  ww  w.j a v a 2 s.c o  m

    float tra = (transparance.getValue() / (float) (transparance.getMaximum()));

    Composite oldcomp = g.getComposite();
    g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, tra));
    Line2D.Double line = new Line2D.Double();
    for (int i = 0; i < selectionData.length - 1; i++) {
        double x1 = view.getImage().getImage().getWidth() / (double) (selectionData.length - 1) * i;
        double y1 = view.getImage().getImage().getHeight() * (1 - getSelectionValue(i));

        double x2 = view.getImage().getImage().getWidth() / (double) (selectionData.length - 1) * (i + 1);
        double y2 = view.getImage().getImage().getHeight() * (1 - getSelectionValue(i + 1));

        if (getUseData(i)) {
            g.setColor(getPointColorSelected());
        } else {
            g.setColor(getPointColorNotSelected());
        }
        line.x1 = x1;
        line.x2 = x2;
        line.y1 = y1;
        line.y2 = y2;

        g.draw(line);

        if (showOffset.isSelected()) {
            if (getUseData(i)) {
                g.setColor(getOffsetColor());
                double offset = (Double) this.offset.getValue();
                line.y1 += offset;
                line.y2 += offset;
                g.draw(line);
            }
        }
    }

    // Draw each point

    for (int i = 0; i < value.length; i++) {
        g.setColor(getCrossColor());
        double x = view.getImage().getImage().getWidth() / (double) (value.length - 1) * i;
        double y = view.getImage().getImage().getHeight() * (1 - value[i]);
        DrawTools.drawCross(g, new Point2D.Double(x, y), pointSize * 2);

    }

    g.setComposite(oldcomp);
}

From source file:org.tsho.dmc2.core.chart.jfree.DmcChartPanel.java

/**
 * Handles a 'mouse released' event./*from  w ww .  j  a  v  a  2  s  .com*/
 * <P>
 * On Windows, we need to check if this is a popup trigger, but only if we
 * haven't already been tracking a zoom rectangle.
 *
 * @param e  Information about the event.
 */
public void mouseReleased(MouseEvent e) {

    if (zoomRectangle != null) {

        //            if (Math.abs(e.getX() - zoomPoint.getX()) >= MINIMUM_DRAG_ZOOM_SIZE) {
        if (Math.abs(e.getX() - zoomPoint.getX()) >= 7) {
            if (e.getX() < zoomPoint.getX() || e.getY() < zoomPoint.getY()) {
                autoRangeBoth();
            } else {
                double x, y, w, h;
                Rectangle2D scaledDataArea = getScaledDataArea();
                //for a mouseReleased event, (horizontalZoom || verticalZoom)
                //will be true, so we can just test for either being false;
                //otherwise both are true
                if (!verticalZoom) {
                    x = zoomPoint.getX();
                    y = scaledDataArea.getMinY();
                    w = Math.min(zoomRectangle.getWidth(), scaledDataArea.getMaxX() - zoomPoint.getX());
                    h = scaledDataArea.getHeight();
                } else if (!horizontalZoom) {
                    x = scaledDataArea.getMinX();
                    y = zoomPoint.getY();
                    w = scaledDataArea.getWidth();
                    h = Math.min(zoomRectangle.getHeight(), scaledDataArea.getMaxY() - zoomPoint.getY());
                } else {
                    x = zoomPoint.getX();
                    y = zoomPoint.getY();
                    w = Math.min(zoomRectangle.getWidth(), scaledDataArea.getMaxX() - zoomPoint.getX());
                    h = Math.min(zoomRectangle.getHeight(), scaledDataArea.getMaxY() - zoomPoint.getY());
                }
                Rectangle2D zoomArea = new Rectangle2D.Double(x, y, w, h);
                zoom(zoomArea);

            }
            this.zoomPoint = null;
            this.zoomRectangle = null;
        } else {
            Graphics2D g2 = (Graphics2D) getGraphics();
            g2.setXORMode(java.awt.Color.gray);
            if (fillZoomRectangle) {
                g2.fill(zoomRectangle);
            } else {
                g2.draw(zoomRectangle);
            }
            g2.dispose();
            this.zoomRectangle = null;
        }

        // notify a redraw event
        CoreStatusEvent ev = new CoreStatusEvent(this);
        ev.setType(CoreStatusEvent.REDRAW);
        ((AbstractDmcPlot) chart.getPlot()).notifyCoreStatusListeners(ev);
    }

    else if (e.isPopupTrigger()) {
        if (popup != null) {
            displayPopupMenu(e.getX(), e.getY());
        }
    }
}

From source file:org.tsho.dmc2.core.chart.jfree.DmcChartPanel.java

/**
 * Draws a vertical line used to trace the mouse position to the horizontal axis.
 *
 * @param x  the x-coordinate of the trace line.
 *///from  ww w.j a va 2  s.  co  m
private void drawHorizontalAxisTrace(int x) {

    Graphics2D g2 = (Graphics2D) getGraphics();
    Rectangle2D dataArea = getScaledDataArea();

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

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

    }
}

From source file:org.tsho.dmc2.core.chart.jfree.DmcChartPanel.java

/**
 * Draws a horizontal line used to trace the mouse position to the vertical axis.
 *
 * @param y  the y-coordinate of the trace line.
 *//*from w ww.j  a  va  2 s .  c o  m*/
private void drawVerticalAxisTrace(int y) {

    Graphics2D g2 = (Graphics2D) getGraphics();
    Rectangle2D dataArea = getScaledDataArea();

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

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

    }
}

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 w  w . ja v a2  s. c o  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));
            }
        }

    }
}