Example usage for java.awt Graphics setClip

Introduction

In this page you can find the example usage for java.awt Graphics setClip.

Prototype

public abstract void setClip(Shape clip);

Source Link

Document

Sets the current clipping area to an arbitrary clip shape.

Usage

From source file:Java2DUtils.java

public static void resetClip(Graphics g) {
    g.setClip((Shape) clipBoundsStack.pop());
}

---

From source file:ImageClip.java

/**
 * Clips the input image to the specified shape
 * //from   w  ww  .j  av  a  2  s.c om
 * @param image
 *           the input image
 * @param clipVerts
 *           list of x, y pairs defining the clip shape, normalised
 *           to image dimensions (think texture coordinates)
 * @return The smallest image containing those pixels that fall
 *         inside the clip shape
 */
public static BufferedImage clip(BufferedImage image, float... clipVerts) {
    assert clipVerts.length >= 6;
    assert clipVerts.length % 2 == 0;

    int[] xp = new int[clipVerts.length / 2];
    int[] yp = new int[xp.length];

    int minX = image.getWidth(), minY = image.getHeight(), maxX = 0, maxY = 0;

    for (int j = 0; j < xp.length; j++) {
        xp[j] = Math.round(clipVerts[2 * j] * image.getWidth());
        yp[j] = Math.round(clipVerts[2 * j + 1] * image.getHeight());

        minX = Math.min(minX, xp[j]);
        minY = Math.min(minY, yp[j]);
        maxX = Math.max(maxX, xp[j]);
        maxY = Math.max(maxY, yp[j]);
    }

    for (int i = 0; i < xp.length; i++) {
        xp[i] -= minX;
        yp[i] -= minY;
    }

    Polygon clip = new Polygon(xp, yp, xp.length);
    BufferedImage out = new BufferedImage(maxX - minX, maxY - minY, image.getType());
    Graphics g = out.getGraphics();
    g.setClip(clip);

    g.drawImage(image, -minX, -minY, null);
    g.dispose();

    return out;
}

---

From source file:org.esa.nest.dat.views.polarview.PolarCanvas.java

private static void paintComponents(Container c, Graphics g) {
    if (!c.isShowing())
        return;/*w  ww  . j ava 2s .c  o  m*/

    final int ncomponents = c.getComponentCount();
    final Rectangle clip = g.getClipBounds();

    int i = ncomponents - 1;
    while (i >= 0) {
        final Component component[] = c.getComponents();
        final Component comp = component[i];
        if (comp == null || !comp.isVisible())
            continue;
        final Rectangle bounds = comp.getBounds();
        Rectangle cr;
        if (clip == null)
            cr = new Rectangle(bounds);
        else
            cr = bounds.intersection(clip);
        if (cr.isEmpty())
            continue;

        final Graphics cg = g.create();
        cg.setClip(cr);
        cg.translate(bounds.x, bounds.y);
        try {
            comp.paint(cg);
        } catch (Throwable e) {
            //
        }

        cg.dispose();
        i--;
    }
}

---

From source file:Java2DUtils.java

@SuppressWarnings("unchecked")
public static void setClip(Graphics g, Rectangle clipBounds) {
    Rectangle currentClipBounds;/*w w w . jav a 2s  . c o m*/

    clipBounds = new Rectangle(clipBounds);
    clipBounds.width += 1;
    clipBounds.height += 1;

    currentClipBounds = g.getClipBounds();
    if (currentClipBounds != null) {
        clipBounds = clipBounds.intersection(g.getClipBounds());
    }

    clipBoundsStack.push(currentClipBounds);
    g.setClip(clipBounds);
}

---

From source file:Main.java

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

    Ellipse2D e = new Ellipse2D.Float(w / 4.0f, h / 4.0f, w / 2.0f, h / 2.0f);
    g.setClip(e);

    g.setColor(Color.red);//  ww  w  .j  ava 2s.  c  o  m
    g.fillRect(0, 0, w, h);

}

---

From source file:net.bioclipse.model.ScatterPlotMouseHandler.java

@Override
public void mouseDragged(MouseEvent e) {
    super.mouseDragged(e);

    ChartPanel chartPanel = getChartPanel(e);
    JFreeChart selectedChart = chartPanel.getChart();
    ChartDescriptor cd = ChartUtils.getChartDescriptor(selectedChart);
    int[] indices = cd.getSourceIndices();

    XYPlot plot = (XYPlot) chartPanel.getChart().getPlot();

    //Create double buffer
    Image buffer = chartPanel.createImage(chartPanel.getWidth(), chartPanel.getHeight());
    Graphics bufferGraphics = buffer.getGraphics();
    chartPanel.paint(bufferGraphics);/*from w  w w  . j  a  v a2s  . com*/

    if (lastX == 0 && lastY == 0) {
        lastX = e.getX();
        lastY = e.getY();
    }

    drawRect = new Rectangle();
    int x1 = Math.min(Math.min(e.getX(), lastX), startX);
    int y1 = Math.min(Math.min(e.getY(), lastY), startY);
    int x2 = Math.max(Math.max(e.getX(), lastX), startX);
    int y2 = Math.max(Math.max(e.getY(), lastY), startY);

    drawRect.x = x1;
    drawRect.y = y1;
    drawRect.width = x2 - drawRect.x;
    drawRect.height = y2 - drawRect.y;

    //Create a clipping rectangle
    Rectangle clipRect = new Rectangle(drawRect.x - 100, drawRect.y - 100, drawRect.width + 200,
            drawRect.height + 200);

    //Check for selected points
    for (int j = 0; j < plot.getDataset().getItemCount(plot.getDataset().getSeriesCount() - 1); j++) {
        for (int i = 0; i < plot.getDataset().getSeriesCount(); i++) {
            Number xK = plot.getDataset().getX(i, j);
            Number yK = plot.getDataset().getY(i, j);
            Point2D datasetPoint2D = new Point2D.Double(domainValueTo2D(chartPanel, plot, xK.doubleValue()),
                    rangeValueTo2D(chartPanel, plot, yK.doubleValue()));

            if (drawRect.contains(datasetPoint2D)) {
                PlotPointData cp = new PlotPointData(indices[j], cd.getXLabel(), cd.getYLabel());
                boolean pointAdded = mouseDragSelection.addPoint(cp);
                if (pointAdded) {
                    ((ScatterPlotRenderer) plot.getRenderer()).addMarkedPoint(j, i);
                    selectedChart.plotChanged(new PlotChangeEvent(plot));
                }
            } else if (!mouseDragSelection.isEmpty()) {
                PlotPointData cp = new PlotPointData(indices[j], cd.getXLabel(), cd.getYLabel());
                boolean pointRemoved = mouseDragSelection.removePoint(cp);
                if (pointRemoved) {
                    ((ScatterPlotRenderer) plot.getRenderer()).removeMarkedPoint(new Point(j, i));
                    selectedChart.plotChanged(new PlotChangeEvent(plot));
                }
            }
        }
    }

    Iterator<PlotPointData> iterator = currentSelection.iterator();
    while (iterator.hasNext()) {
        PlotPointData next = iterator.next();
        Point dataPoint = next.getDataPoint();
        ((ScatterPlotRenderer) plot.getRenderer()).addMarkedPoint(dataPoint);
    }

    lastX = e.getX();
    lastY = e.getY();

    Graphics graphics = chartPanel.getGraphics();
    graphics.setClip(clipRect);

    //Draw selection rectangle
    bufferGraphics.drawRect(drawRect.x, drawRect.y, drawRect.width, drawRect.height);

    graphics.drawImage(buffer, 0, 0, chartPanel.getWidth(), chartPanel.getHeight(), null);
}

---

From source file:Main.java

@Override
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {

    Graphics2D g2 = (Graphics2D) g;

    int bottomLineY = height - thickness - shadowPad;

    RoundRectangle2D.Double bubble = new RoundRectangle2D.Double(0 + strokePad, 0 + strokePad,
            width - thickness - shadowPad, bottomLineY, radius, radius);

    Area area = new Area(bubble);

    g2.setRenderingHints(hints);//from w ww.  j av  a 2 s . co m

    g2.setColor(color);
    g2.setStroke(stroke);
    g2.draw(area);

    Area shadowArea = new Area(new Rectangle(0, 0, width, height));
    shadowArea.subtract(area);
    g.setClip(shadowArea);
    Color shadow = new Color(color.getRed(), color.getGreen(), color.getBlue(), 128);
    g2.setColor(shadow);
    g2.translate(shadowPad, shadowPad);
    g2.draw(area);
}

---

From source file:web.diva.server.model.SomClustering.SomClustImgGenerator.java

private void drawScale(Graphics scale, Point st, int width, int height) {
    Rectangle r = new Rectangle(st.x, st.y, width, height);
    if (width < 50 || height < 25) {
        return;//from   w w w. j  a  v a 2  s.  c  o m
    }
    ScaleAndAxis sc = new ScaleAndAxis();
    sc.setColorFactory(colors);
    scale.translate(st.x, st.y);
    Rectangle bac = scale.getClipBounds();
    sc.setLocation(r.x, r.y);
    sc.setSize(r.width, r.height);
    sc.paintComponent(scale);
    scale.setClip(bac);
    scale.translate(-st.x, -st.y);
}

---

From source file:tufts.vue.RichTextBox.java

public void Xpaint(Graphics g) {
    super.paint(g);
    g.setColor(Color.gray);//from www . j a  va2  s.  c  o  m
    g.setClip(null);
    g.drawRect(0, 0, getWidth(), getHeight());

}

---

From source file:tufts.vue.RichTextBox.java

public void paintComponent(Graphics g) {
    if (TestDebug || DEBUG.TEXT)
        out("paintComponent @ " + getX() + "," + getY() + " parent=" + getParent());

    final MapViewer viewer = (MapViewer) javax.swing.SwingUtilities.getAncestorOfClass(MapViewer.class, this);
    Graphics2D g2d = (Graphics2D) g;
    if (viewer != null) {
        g2d.setRenderingHint(java.awt.RenderingHints.KEY_ANTIALIASING, viewer.AA_ON);
        g2d.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);

    }//from www.j ava2s. co m
    // turn on anti-aliasing -- the cursor repaint loop doesn't
    // set anti-aliasing, so text goes jiggy around cursor/in selection if we don't do this
    ////  g.clipRect(0, 0,getWidth(), getAdjustedHeight());

    super.paintComponent(g2d);

    //super.paintComponent(g);
    if (true) {
        // draw a border (we don't want to add one because that changes the preferred size at a bad time)
        //  g.setColor(Color.gray);
        g.setClip(null);
        final int xpad = 1;
        final int ypad = 1;
        g.drawRect(-xpad, -ypad, (int) ((getWidth()) + xpad * 2 - 1), (int) ((getHeight()) + ypad * 2 - 1));
    }
}

---

• «
• 1
• 2
• »