Example usage for java.awt Graphics2D draw

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:OptimalPrimitives.java

protected void paintComponent(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;
    long startTime, endTime, totalTime;

    g.setColor(Color.WHITE);/*w  ww  . j av a  2  s  .  co m*/
    g.fillRect(0, 0, getWidth(), getHeight());
    g.setColor(Color.BLACK);

    g.drawString("Bad vs. Good Primitive Rendering", 50, 20);
    g.drawString("(" + ITERATIONS + " iterations)", 100, 35);
    g.drawString("Bad: ", 10, BAD_Y + 30);
    g.drawString("Good: ", 10, GOOD_Y + 30);

    // Bad line
    Shape line = new Line2D.Double(LINE_X, BAD_Y, LINE_X + 50, BAD_Y + 50);
    startTime = System.nanoTime();
    for (int i = 0; i < ITERATIONS; ++i) {
        g2d.draw(line);
    }
    endTime = System.nanoTime();
    totalTime = (endTime - startTime) / 1000000;
    System.out.println("bad line = " + totalTime);
    g.drawString(totalTime + " ms", LINE_X, BAD_Y + 70);

    // Good line
    startTime = System.nanoTime();
    for (int i = 0; i < ITERATIONS; ++i) {
        g.drawLine(LINE_X, GOOD_Y, LINE_X + 50, GOOD_Y + 50);
    }
    endTime = System.nanoTime();
    totalTime = (endTime - startTime) / 1000000;
    System.out.println("good line = " + totalTime);
    g.drawString(totalTime + " ms", LINE_X, GOOD_Y + 70);

    // Bad rect
    Shape rect = new Rectangle(RECT_X, BAD_Y, 50, 50);
    startTime = System.nanoTime();
    for (int i = 0; i < ITERATIONS; ++i) {
        g2d.fill(rect);
    }
    endTime = System.nanoTime();
    totalTime = (endTime - startTime) / 1000000;
    System.out.println("bad rect = " + totalTime);
    g.drawString(totalTime + " ms", RECT_X, BAD_Y + 70);

    // Good rect
    startTime = System.nanoTime();
    for (int i = 0; i < ITERATIONS; ++i) {
        g.fillRect(RECT_X, GOOD_Y, 50, 50);
    }
    endTime = System.nanoTime();
    totalTime = (endTime - startTime) / 1000000;
    System.out.println("good rect = " + totalTime);
    g.drawString(totalTime + " ms", RECT_X, GOOD_Y + 70);
}

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From source file:net.sourceforge.processdash.ui.lib.chart.StandardDiscItemRenderer.java

protected void drawOutline(Graphics2D g2, Ellipse2D shape, Comparable key) {
    Paint outlinePaint = lookupOutlinePaint(key);
    Stroke outlineStroke = lookupOutlineStroke(key);
    if (outlinePaint != null && outlineStroke != null) {
        g2.setPaint(outlinePaint);/*from  w w w .jav a 2s  . c o  m*/
        g2.draw(shape);
    }
}

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From source file:GradientPane.java

public void paint(Graphics g) {
    Graphics2D g2D = (Graphics2D) g;
    Point2D.Float p1 = new Point2D.Float(150.f, 75.f); // Gradient line start
    Point2D.Float p2 = new Point2D.Float(250.f, 75.f); // Gradient line end
    float width = 300;
    float height = 50;
    Rectangle2D.Float rect1 = new Rectangle2D.Float(p1.x - 100, p1.y - 25, width, height);
    GradientPaint g2 = new GradientPaint(p1, Color.WHITE, p2, Color.DARK_GRAY, false); // Acyclic
                                                                                       // gradient
    rect1.setRect(p1.x - 100, p1.y - 25, width, height);
    g2D.setPaint(g2); // Gradient color fill
    g2D.fill(rect1); // Fill the rectangle
    g2D.setPaint(Color.BLACK); // Outline in black
    g2D.draw(rect1); // Fill the rectangle
    g2D.draw(new Line2D.Float(p1, p2));
}

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From source file:org.fhcrc.cpl.toolbox.gui.chart.ChartMouseAndMotionListener.java

/**
 * Draws zoom rectangle (if present).//from www. ja v a 2 s .co  m
 * 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.
 *
 * @param selectedRegion
 * @param stroke
 * @param fillColor
 */
protected void drawSelectedRegion(Rectangle2D selectedRegion, Stroke stroke, Color fillColor, boolean xorMode,
        Graphics2D g2) {
    // Set XOR mode to draw the zoom rectangle
    if (g2 == null)
        return;
    Paint origColor = g2.getPaint();

    if (selectedRegion != null) {
        if (xorMode) {
            g2.setXORMode(fillColor);
        } else
            g2.setPaint(fillColor);
        g2.fill(selectedRegion);
        g2.setPaint(Color.black);
        g2.setStroke(stroke);
        if (xorMode)
            g2.setPaint(Color.white);
        else
            g2.setPaint(Color.black);

        g2.draw(selectedRegion);
        g2.setPaintMode();
        g2.setPaint(origColor);
    }
}

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From source file:figs.treeVisualization.gui.PhyloDateAxis.java

/**
  * Draws an axis line at the current cursor position and edge.
  * /*from   w w  w  .ja va2 s .c  om*/
  * This always uses RectangleEdge.RIGHT, so the cursor is the x position.
  * 
  * @param g2  the graphics device.
  * @param cursor  the cursor position. 
  * @param dataArea  the data area.
  * @param edge  the edge.
  * 
  * Original method is in <code>org.jfree.chart.axis.ValueAxis</code>
  */
protected void drawAxisLine(Graphics2D g2, double cursor, Rectangle2D dataArea) {

    if (!isAxisLineVisible()) {
        // originally in drawTickMarksAndLabels
        return;
    }

    Line2D axisLine = new Line2D.Double(cursor, dataArea.getY(), cursor, dataArea.getHeight());

    g2.setPaint(getAxisLinePaint());
    g2.setStroke(getAxisLineStroke());
    g2.draw(axisLine);

}

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From source file:PrintTest.java

/**
 * This method draws the page both on the screen and the printer graphics context.
 * @param g2 the graphics context/*from w ww  .  j a  v  a 2 s.  c  o m*/
 */
public void drawPage(Graphics2D g2) {
    FontRenderContext context = g2.getFontRenderContext();
    Font f = new Font("Serif", Font.PLAIN, 72);
    GeneralPath clipShape = new GeneralPath();

    TextLayout layout = new TextLayout("Hello", f, context);
    AffineTransform transform = AffineTransform.getTranslateInstance(0, 72);
    Shape outline = layout.getOutline(transform);
    clipShape.append(outline, false);

    layout = new TextLayout("World", f, context);
    transform = AffineTransform.getTranslateInstance(0, 144);
    outline = layout.getOutline(transform);
    clipShape.append(outline, false);

    g2.draw(clipShape);
    g2.clip(clipShape);

    final int NLINES = 50;
    Point2D p = new Point2D.Double(0, 0);
    for (int i = 0; i < NLINES; i++) {
        double x = (2 * getWidth() * i) / NLINES;
        double y = (2 * getHeight() * (NLINES - 1 - i)) / NLINES;
        Point2D q = new Point2D.Double(x, y);
        g2.draw(new Line2D.Double(p, q));
    }
}

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From source file:org.geotools.renderer.chart.GeometryRenderer.java

void drawCoordinate(Coordinate c, Graphics2D g2, int series, int item, Rectangle2D dataArea, XYPlot plot,
        ValueAxis domainAxis, ValueAxis rangeAxis) {

    double tx = domainAxis.valueToJava2D(c.x, dataArea, plot.getDomainAxisEdge());
    double ty = rangeAxis.valueToJava2D(c.y, dataArea, plot.getRangeAxisEdge());

    Shape shape = getItemShape(series, item);
    shape = ShapeUtilities.createTranslatedShape(shape, tx, ty);

    if (fillCoordinates) {
        g2.fill(shape);/*from  w  w  w. j a va2 s  . c  o  m*/
    } else {
        g2.draw(shape);
    }
}

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From source file:com.bdb.weather.display.current.WindDirPointer.java

/**
 * Draws the pointer.//from w w w .  java 2 s. c o  m
 * 
 * @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.setPaint(Color.blue);
    g2.setStroke(new BasicStroke(1.0f));
    DialScale scale = plot.getScaleForDataset(getDatasetIndex());
    double value = plot.getValue(getDatasetIndex());
    double angle = scale.valueToAngle(value % 360.0);

    Rectangle2D outerRect = DialPlot.rectangleByRadius(frame, outerRadius, outerRadius);
    Rectangle2D innerRect = DialPlot.rectangleByRadius(frame, outerRadius - innerOffset,
            outerRadius - innerOffset);

    g2.setPaint(getOutlinePaint());
    Arc2D arc1 = new Arc2D.Double(outerRect, angle - (ARC_LENGTH / 2), ARC_LENGTH, Arc2D.OPEN);
    g2.draw(arc1);
    Arc2D arc2 = new Arc2D.Double(innerRect, angle, 0.0, Arc2D.OPEN);
    GeneralPath gp = new GeneralPath();
    gp.moveTo(arc1.getStartPoint().getX(), arc1.getStartPoint().getY());
    gp.lineTo(arc2.getStartPoint().getX(), arc2.getStartPoint().getY());
    gp.lineTo(arc1.getEndPoint().getX(), arc1.getEndPoint().getY());
    g2.draw(gp);
    if (fill) {
        g2.setPaint(getFillPaint());
        g2.fill(gp);
    }
}

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From source file:org.jfree.demo.DrawStringPanel.java

/**
 * Paints the panel./* w  w  w  .  j  a  va 2 s  . c o  m*/
 *
 * @param g  the graphics device.
 */
public void paintComponent(final Graphics g) {

    super.paintComponent(g);
    final Graphics2D g2 = (Graphics2D) g;

    final Dimension size = getSize();
    final Insets insets = getInsets();
    final Rectangle2D available = new Rectangle2D.Double(insets.left, insets.top,
            size.getWidth() - insets.left - insets.right, size.getHeight() - insets.top - insets.bottom);

    final double x = available.getCenterX();
    final double y = available.getCenterY();

    final Line2D line1 = new Line2D.Double(x - 2.0, y + 2.0, x + 2.0, y - 2.0);
    final Line2D line2 = new Line2D.Double(x - 2.0, y - 2.0, x + 2.0, y + 2.0);
    g2.setPaint(Color.red);
    g2.draw(line1);
    g2.draw(line2);

    g2.setFont(this.font);
    g2.setPaint(Color.black);
    if (this.rotate) {
        TextUtilities.drawRotatedString(this.text, g2, (float) x, (float) y, this.anchor, this.angle,
                this.rotationAnchor);
    } else {
        TextUtilities.drawAlignedString(this.text, g2, (float) x, (float) y, this.anchor);
    }

}

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From source file:FontRenderContextRenderingHints.java

public void paint(Graphics g) {
    Graphics2D g2D = (Graphics2D) g;
    int w = getSize().width;
    int h = getSize().height;

    RenderingHints qualityHints = new RenderingHints(RenderingHints.KEY_ANTIALIASING,
            RenderingHints.VALUE_ANTIALIAS_ON);
    qualityHints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    g2D.setRenderingHints(qualityHints);

    AffineTransform at = new AffineTransform();
    at.setToTranslation(-300, -400);//from w  w  w.j a v  a 2s.c  o  m
    at.shear(-0.5, 0.0);
    FontRenderContext frc = new FontRenderContext(at, false, false);
    TextLayout tl = new TextLayout("World!", font, frc);
    Shape outline = tl.getOutline(null);
    g2D.setColor(Color.blue);

    BasicStroke wideStroke = new BasicStroke(2.0f);
    g2D.setStroke(wideStroke);
    g2D.draw(outline);

}

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