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:org.openmeetings.app.data.record.BatikMethods.java

public void drawThickLine2D(Graphics2D g2d, double x1, double y1, double x2, double y2, int width, Color c,
        double xObj, double yObj, float alpha) throws Exception {
    g2d.setPaint(c);//from   www .j  a  va  2 s .co  m

    int[] rules = new int[8];

    //all possible Compositing Rules:
    rules[0] = AlphaComposite.SRC_OVER;
    rules[1] = AlphaComposite.DST_OVER;
    rules[2] = AlphaComposite.CLEAR;
    rules[3] = AlphaComposite.SRC;
    rules[4] = AlphaComposite.SRC_IN;
    rules[5] = AlphaComposite.DST_IN;
    rules[6] = AlphaComposite.SRC_OUT;
    rules[7] = AlphaComposite.DST_OUT;

    g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC, alpha));
    g2d.setStroke(new BasicStroke(width, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
    Line2D line = new Line2D.Double(x1 + xObj, y1 + yObj, x2 + xObj, y2 + yObj);
    g2d.draw(line);
}

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From source file:TransferableScribblePane.java

/** We override this method to draw ourselves. */
public void paintComponent(Graphics g) {
    // Let the superclass do its painting first
    super.paintComponent(g);

    // Make a copy of the Graphics context so we can modify it
    Graphics2D g2 = (Graphics2D) (g.create());

    // Our superclass doesn't paint the background, so do this ourselves.
    g2.setColor(getBackground());// w  w w .j  a  v  a  2  s . c o m
    g2.fillRect(0, 0, getWidth(), getHeight());

    // Set the line width and color to use for the foreground
    g2.setStroke(stroke);
    g2.setColor(this.getForeground());

    // Now loop through the PolyLine shapes and draw them all
    int numlines = lines.size();
    for (int i = 0; i < numlines; i++) {
        PolyLine line = (PolyLine) lines.get(i);
        if (line == selectedLine) { // If it is the selected line
            g2.setStroke(selectedStroke); // Set dash pattern
            g2.draw(line); // Draw the line
            g2.setStroke(stroke); // Revert to solid lines
        } else
            g2.draw(line); // Otherwise just draw the line
    }
}

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From source file:org.squidy.designer.shape.ZoomShape.java

/**
 * @param paintContext/*from   w  ww. j a v  a  2s  . c om*/
 */
protected void paintShapeZoomedIn(PPaintContext paintContext) {

    Shape shapeZoomedIn = getZoomedInShape();
    if (shapeZoomedIn != null) {
        Graphics2D g = paintContext.getGraphics();
        Rectangle bounds = shapeZoomedIn.getBounds();

        g.setPaint(getZoomedInFillPaint());
        if (isRenderPrimitiveRect())
            g.fillRect(bounds.x, bounds.y, bounds.width, bounds.height);
        else
            g.fill(shapeZoomedIn);

        g.setStroke(STROKE_ZOOMED_IN);
        g.setPaint(getZoomedInDrawPaint());
        if (isRenderPrimitiveRect())
            g.drawRect(bounds.x, bounds.y, bounds.width, bounds.height);
        else
            g.draw(shapeZoomedIn);
    }
}

---

From source file:org.squidy.designer.shape.ZoomShape.java

/**
 * @param paintContext//from  www  . ja v  a 2s . com
 */
protected void paintShapeZoomedOut(PPaintContext paintContext) {

    Shape shapeZoomedOut = getZoomedOutShape();
    if (shapeZoomedOut != null) {
        Graphics2D g = paintContext.getGraphics();
        Rectangle bounds = shapeZoomedOut.getBounds();

        g.setPaint(getZoomedOutFillPaint());
        if (isRenderPrimitiveRect())
            g.fillRect(bounds.x, bounds.y, bounds.width, bounds.height);
        else
            g.fill(shapeZoomedOut);

        g.setStroke(STROKE_ZOOMED_OUT);
        g.setPaint(getZoomedOutDrawPaint());
        if (isRenderPrimitiveRect())
            g.drawRect(bounds.x, bounds.y, bounds.width, bounds.height);
        else
            g.draw(shapeZoomedOut);
    }
}

---

From source file:org.openmeetings.app.data.record.BatikMethods.java

public void paintEllipse2D(Graphics2D g2d, double x, double y, double width, double height, Color linecoler,
        int thickness, Color fillColor, float alpha) throws Exception {

    g2d.setStroke(new BasicStroke(thickness, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));

    int[] rules = new int[8];

    //all possible Compositing Rules:
    rules[0] = AlphaComposite.SRC_OVER;
    rules[1] = AlphaComposite.DST_OVER;
    rules[2] = AlphaComposite.CLEAR;
    rules[3] = AlphaComposite.SRC;
    rules[4] = AlphaComposite.SRC_IN;
    rules[5] = AlphaComposite.DST_IN;
    rules[6] = AlphaComposite.SRC_OUT;
    rules[7] = AlphaComposite.DST_OUT;

    g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC, alpha));

    //int x, int y, int width, int height

    if (linecoler != null) {
        g2d.setPaint(linecoler);/* ww  w .  j a v  a2s.co  m*/
        g2d.draw(new Ellipse2D.Double(x, y, width, height));
    }

    if (fillColor != null) {
        g2d.setPaint(fillColor);
        g2d.fill(new Ellipse2D.Double(x, y, width, height));
    }

}

---

From source file:org.openmeetings.app.data.record.BatikMethods.java

public void paintRect2D(Graphics2D g2d, double x, double y, double width, double height, Color linecoler,
        int thickness, Color fillColor, float alpha) throws Exception {

    g2d.setStroke(new BasicStroke(thickness, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));

    int[] rules = new int[8];

    //all possible Compositing Rules:
    rules[0] = AlphaComposite.SRC_OVER;
    rules[1] = AlphaComposite.DST_OVER;
    rules[2] = AlphaComposite.CLEAR;
    rules[3] = AlphaComposite.SRC;
    rules[4] = AlphaComposite.SRC_IN;
    rules[5] = AlphaComposite.DST_IN;
    rules[6] = AlphaComposite.SRC_OUT;
    rules[7] = AlphaComposite.DST_OUT;

    g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC, alpha));

    //int x, int y, int width, int height

    if (linecoler != null) {
        g2d.setPaint(linecoler);//  ww w .j a  v  a 2s  .  c  om
        g2d.draw(new Rectangle2D.Double(x, y, width, height));
    }

    if (fillColor != null) {
        g2d.setPaint(fillColor);
        g2d.fill(new Rectangle2D.Double(x, y, width, height));
    }

}

---

From source file:BookTest.java

public void paintComponent(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;
    PageFormat pageFormat = book.getPageFormat(currentPage);

    double xoff; // x offset of page start in window
    double yoff; // y offset of page start in window
    double scale; // scale factor to fit page in window
    double px = pageFormat.getWidth();
    double py = pageFormat.getHeight();
    double sx = getWidth() - 1;
    double sy = getHeight() - 1;
    if (px / py < sx / sy) // center horizontally
    {/*from w  ww.  j a va 2 s.  c o m*/
        scale = sy / py;
        xoff = 0.5 * (sx - scale * px);
        yoff = 0;
    } else
    // center vertically
    {
        scale = sx / px;
        xoff = 0;
        yoff = 0.5 * (sy - scale * py);
    }
    g2.translate((float) xoff, (float) yoff);
    g2.scale((float) scale, (float) scale);

    // draw page outline (ignoring margins)
    Rectangle2D page = new Rectangle2D.Double(0, 0, px, py);
    g2.setPaint(Color.white);
    g2.fill(page);
    g2.setPaint(Color.black);
    g2.draw(page);

    Printable printable = book.getPrintable(currentPage);
    try {
        printable.print(g2, pageFormat, currentPage);
    } catch (PrinterException e) {
        g2.draw(new Line2D.Double(0, 0, px, py));
        g2.draw(new Line2D.Double(px, 0, 0, py));
    }
}

---

From source file:org.eurocarbdb.application.glycoworkbench.plugin.SpectraPanel.java

public void mouseDragged(MouseEvent e) {
    if (mouse_start_point != null && theDocument.getNoScans() > 0) {
        if (is_moving) {
            // moving
            double mz_delta = screenToDataX(mouse_start_point.getX() - e.getPoint().getX());
            if (mz_delta > 0.) {
                double old_upper_bound = thePlot.getDomainAxis().getUpperBound();
                double old_lower_bound = thePlot.getDomainAxis().getLowerBound();
                double new_upper_bound = Math.min(old_upper_bound + mz_delta,
                        theDocument.getPeakDataAt(current_ind).getMaxMZ());
                double new_lower_bound = old_lower_bound + new_upper_bound - old_upper_bound;

                thePlot.getDomainAxis().setRange(new Range(new_lower_bound, new_upper_bound));
            } else {
                double old_upper_bound = thePlot.getDomainAxis().getUpperBound();
                double old_lower_bound = thePlot.getDomainAxis().getLowerBound();
                double new_lower_bound = Math.max(old_lower_bound + mz_delta,
                        theDocument.getPeakDataAt(current_ind).getMinMZ());
                double new_upper_bound = old_upper_bound + new_lower_bound - old_lower_bound;

                thePlot.getDomainAxis().setRange(new Range(new_lower_bound, new_upper_bound));
            }// w  w  w  .  j ava  2 s . c  o  m

            mouse_start_point = e.getPoint();
        } else {
            // zooming                
            Graphics2D g2 = (Graphics2D) theChartPanel.getGraphics();
            g2.setXORMode(java.awt.Color.gray);

            // delete old rectangle
            if (zoom_rectangle != null)
                g2.draw(zoom_rectangle);

            // create new rectangle
            double start_x = Math.min(e.getX(), mouse_start_point.getX());
            double end_x = Math.max(e.getX(), mouse_start_point.getX());

            Rectangle2D data_area = theChartPanel.getScreenDataArea((int) start_x,
                    (int) mouse_start_point.getY());
            double xmax = Math.min(end_x, data_area.getMaxX());
            zoom_rectangle = new Rectangle2D.Double(start_x, data_area.getMinY(), xmax - start_x,
                    data_area.getHeight());

            // draw new rectangle
            g2.draw(zoom_rectangle);
            g2.dispose();
        }
    }
}

---

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

/**    
 * Draws the first pass shape.    //from   w w w .  j a v  a 2  s  .  co m
 *    
 * @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:edu.jhuapl.graphs.jfreechart.utils.SparselyLabeledCategoryAxis.java

@SuppressWarnings("unchecked")
@Override/*from   w  w w  .j  av  a  2  s  .  c  o  m*/
public void drawTickMarks(Graphics2D g2, double cursor, Rectangle2D dataArea, RectangleEdge edge,
        AxisState state) {
    Plot p = getPlot();

    if (p == null) {
        return;
    }

    CategoryPlot plot = (CategoryPlot) p;
    double il = getTickMarkInsideLength();
    double ol = getTickMarkOutsideLength();
    Line2D line = new Line2D.Double();
    List categories = plot.getCategoriesForAxis(this);
    int tickEvery = categories.size() / (maxLabeledTicks == 0 ? 1 : maxLabeledTicks);

    if (tickEvery < 1) {
        tickEvery = 1;
    }

    if (edge.equals(RectangleEdge.TOP)) {
        Iterator iterator = categories.iterator();
        int i = 0;

        while (iterator.hasNext()) {
            Comparable key = (Comparable) iterator.next();

            if (i % tickEvery == 0) {
                double x = getCategoryMiddle(key, categories, dataArea, edge);
                g2.setPaint(getTickMarkPaint());
                g2.setStroke(getTickMarkStroke());
                line.setLine(x, cursor, x, cursor + il);
                g2.draw(line);
                line.setLine(x, cursor, x, cursor - ol);
                g2.draw(line);

                if (domainGridlinePaint != null) {
                    drawDomainGridline(g2, plot, dataArea, x);
                }
            }

            i++;
        }

        state.cursorUp(ol);
    } else if (edge.equals(RectangleEdge.BOTTOM)) {
        Iterator iterator = categories.iterator();
        int i = 0;

        while (iterator.hasNext()) {
            Comparable key = (Comparable) iterator.next();

            if (i % tickEvery == 0) {
                double x = getCategoryMiddle(key, categories, dataArea, edge);
                g2.setPaint(getTickMarkPaint());
                g2.setStroke(getTickMarkStroke());
                line.setLine(x, cursor, x, cursor - il);
                g2.draw(line);
                line.setLine(x, cursor, x, cursor + ol);
                g2.draw(line);

                if (domainGridlinePaint != null) {
                    drawDomainGridline(g2, plot, dataArea, x);
                }
            }

            i++;
        }

        state.cursorDown(ol);
    } else if (edge.equals(RectangleEdge.LEFT)) {
        Iterator iterator = categories.iterator();
        int i = 0;

        while (iterator.hasNext()) {
            Comparable key = (Comparable) iterator.next();

            if (i % tickEvery == 0) {
                double y = getCategoryMiddle(key, categories, dataArea, edge);
                g2.setPaint(getTickMarkPaint());
                g2.setStroke(getTickMarkStroke());
                line.setLine(cursor, y, cursor + il, y);
                g2.draw(line);
                line.setLine(cursor, y, cursor - ol, y);
                g2.draw(line);

                if (domainGridlinePaint != null) {
                    drawDomainGridline(g2, plot, dataArea, y);
                }
            }

            i++;
        }

        state.cursorLeft(ol);
    } else if (edge.equals(RectangleEdge.RIGHT)) {
        Iterator iterator = categories.iterator();
        int i = 0;

        while (iterator.hasNext()) {
            Comparable key = (Comparable) iterator.next();

            if (i % tickEvery == 0) {
                double y = getCategoryMiddle(key, categories, dataArea, edge);
                g2.setPaint(getTickMarkPaint());
                g2.setStroke(getTickMarkStroke());
                line.setLine(cursor, y, cursor - il, y);
                g2.draw(line);
                line.setLine(cursor, y, cursor + ol, y);
                g2.draw(line);

                if (domainGridlinePaint != null) {
                    drawDomainGridline(g2, plot, dataArea, y);
                }
            }

            i++;
        }

        state.cursorRight(ol);
    }
}

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