Example usage for java.awt Graphics2D setComposite

Introduction

In this page you can find the example usage for java.awt Graphics2D setComposite.

Prototype

public abstract void setComposite(Composite comp);

Source Link

Document

Sets the Composite for the Graphics2D context.

Usage

From source file:org.jas.gui.ImagePanel.java

@Override
protected void paintComponent(Graphics g) {
    if (portrait == null) {
        super.paintComponent(g);
        return;//from w  w  w .jav a  2s  .  c  o m
    }
    try {
        // Create a translucent intermediate image in which we can perform the soft clipping
        GraphicsConfiguration gc = ((Graphics2D) g).getDeviceConfiguration();
        BufferedImage intermediateBufferedImage = gc.createCompatibleImage(getWidth(), getHeight(),
                Transparency.TRANSLUCENT);
        Graphics2D bufferGraphics = intermediateBufferedImage.createGraphics();

        // Clear the image so all pixels have zero alpha
        bufferGraphics.setComposite(AlphaComposite.Clear);
        bufferGraphics.fillRect(0, 0, getWidth(), getHeight());

        // Render our clip shape into the image. Shape on where to paint
        bufferGraphics.setComposite(AlphaComposite.Src);
        bufferGraphics.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        bufferGraphics.setColor(Color.WHITE);
        bufferGraphics.fillRoundRect(0, 0, getWidth(), getHeight(), (int) (getWidth() * arcWidth),
                (int) (getHeight() * arcHeight));

        // SrcAtop uses the alpha value as a coverage value for each pixel stored in the
        // destination shape. For the areas outside our clip shape, the destination
        // alpha will be zero, so nothing is rendered in those areas. For
        // the areas inside our clip shape, the destination alpha will be fully
        // opaque.
        bufferGraphics.setComposite(AlphaComposite.SrcAtop);
        bufferGraphics.drawImage(portrait, 0, 0, getWidth(), getHeight(), null);
        bufferGraphics.dispose();

        // Copy our intermediate image to the screen
        g.drawImage(intermediateBufferedImage, 0, 0, null);

    } catch (Exception e) {
        log.warn("Error: Creating Renderings", e);
    }
}

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From source file:WeatherWizard.java

public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;
    Dimension size = getSize();//from ww  w  .j  av a2 s .  c o m
    Composite origComposite;

    setupWeatherReport();

    origComposite = g2.getComposite();
    if (alpha0 != null)
        g2.setComposite(alpha0);
    g2.drawImage(img0, 0, 0, size.width, size.height, 0, 0, img0.getWidth(null), img0.getHeight(null), null);
    if (img1 != null) {
        if (alpha1 != null)
            g2.setComposite(alpha1);
        g2.drawImage(img1, 0, 0, size.width, size.height, 0, 0, img1.getWidth(null), img1.getHeight(null),
                null);
    }
    g2.setComposite(origComposite);

    // Freezing, Cold, Cool, Warm, Hot,
    // Blue, Green, Yellow, Orange, Red
    Font font = new Font("Serif", Font.PLAIN, 36);
    g.setFont(font);

    String tempString = feels + " " + temperature + "F";
    FontRenderContext frc = ((Graphics2D) g).getFontRenderContext();
    Rectangle2D boundsTemp = font.getStringBounds(tempString, frc);
    Rectangle2D boundsCond = font.getStringBounds(condStr, frc);
    int wText = Math.max((int) boundsTemp.getWidth(), (int) boundsCond.getWidth());
    int hText = (int) boundsTemp.getHeight() + (int) boundsCond.getHeight();
    int rX = (size.width - wText) / 2;
    int rY = (size.height - hText) / 2;

    g.setColor(Color.LIGHT_GRAY);
    g2.fillRect(rX, rY, wText, hText);

    g.setColor(textColor);
    int xTextTemp = rX - (int) boundsTemp.getX();
    int yTextTemp = rY - (int) boundsTemp.getY();
    g.drawString(tempString, xTextTemp, yTextTemp);

    int xTextCond = rX - (int) boundsCond.getX();
    int yTextCond = rY - (int) boundsCond.getY() + (int) boundsTemp.getHeight();
    g.drawString(condStr, xTextCond, yTextCond);

}

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From source file:net.technicpack.ui.lang.ResourceLoader.java

public BufferedImage colorImage(BufferedImage loadImg, Color color) {
    BufferedImage img = new BufferedImage(loadImg.getWidth(), loadImg.getHeight(), BufferedImage.TRANSLUCENT);
    Graphics2D graphics = img.createGraphics();

    graphics.setColor(color);/*from w w w.  ja v a 2s.  com*/
    graphics.drawImage(loadImg, null, 0, 0);
    graphics.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_IN, 1.0f));
    graphics.fillRect(0, 0, loadImg.getWidth(), loadImg.getHeight());

    graphics.dispose();
    return img;
}

---

From source file:TextureWithBufferedImage.java

public void paint(Graphics g) {
    Graphics2D g2D = (Graphics2D) g;
    Rectangle2D rec1, rec2, rec3, rec4, rec5;
    rec1 = new Rectangle2D.Float(25, 25, 75, 150);
    rec2 = new Rectangle2D.Float(125, 25, 10, 75);
    rec3 = new Rectangle2D.Float(75, 125, 125, 75);
    rec4 = new Rectangle2D.Float(25, 15, 12, 75);
    rec5 = new Rectangle2D.Float(15, 50, 15, 15);

    AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1);
    g2D.setComposite(ac);

    g2D.setStroke(new BasicStroke(5.0f));
    g2D.draw(rec1);//w  ww  .  jav a 2s  .co m
    GradientPaint gp = new GradientPaint(125f, 25f, Color.yellow, 225f, 100f, Color.blue);
    g2D.setPaint(gp);
    g2D.fill(rec2);
    BufferedImage bi = new BufferedImage(5, 5, BufferedImage.TYPE_INT_RGB);
    Graphics2D big = bi.createGraphics();
    big.setColor(Color.magenta);
    big.fillRect(0, 0, 5, 5);
    big.setColor(Color.black);
    big.drawLine(0, 0, 5, 5);
    Rectangle r = new Rectangle(0, 0, 5, 5);
    TexturePaint tp = new TexturePaint(bi, r);

    g2D.setPaint(tp);
    g2D.fill(rec3);
    g2D.setColor(Color.green);
    g2D.fill(rec4);
    g2D.setColor(Color.red);
    g2D.fill(rec5);
}

---

From source file:org.apache.pdfbox.pdmodel.graphics.xobject.PDPixelMap.java

private void createImageStream(PDDocument doc, BufferedImage bi) throws IOException {
    BufferedImage alphaImage = null;
    BufferedImage rgbImage = null;
    int width = bi.getWidth();
    int height = bi.getHeight();
    if (bi.getColorModel().hasAlpha()) {
        // extract the alpha information
        WritableRaster alphaRaster = bi.getAlphaRaster();
        ColorModel cm = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_GRAY), false, false,
                Transparency.OPAQUE, DataBuffer.TYPE_BYTE);
        alphaImage = new BufferedImage(cm, alphaRaster, false, null);
        // create a RGB image without alpha
        rgbImage = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
        Graphics2D g = rgbImage.createGraphics();
        g.setComposite(AlphaComposite.Src);
        g.drawImage(bi, 0, 0, null);//from ww w  . ja  v a  2s. com
    } else {
        rgbImage = bi;
    }
    java.io.OutputStream os = null;
    try {
        int numberOfComponents = rgbImage.getColorModel().getNumComponents();
        if (numberOfComponents == 3) {
            setColorSpace(PDDeviceRGB.INSTANCE);
        } else {
            if (numberOfComponents == 1) {
                setColorSpace(new PDDeviceGray());
            } else {
                throw new IllegalStateException();
            }
        }
        byte[] outData = new byte[width * height * numberOfComponents];
        rgbImage.getData().getDataElements(0, 0, width, height, outData);
        // add FlateDecode compression
        getPDStream().addCompression();
        os = getCOSStream().createUnfilteredStream();
        os.write(outData);

        COSDictionary dic = getCOSStream();
        dic.setItem(COSName.FILTER, COSName.FLATE_DECODE);
        dic.setItem(COSName.SUBTYPE, COSName.IMAGE);
        dic.setItem(COSName.TYPE, COSName.XOBJECT);
        if (alphaImage != null) {
            PDPixelMap smask = new PDPixelMap(doc, alphaImage);
            dic.setItem(COSName.SMASK, smask);
        }
        setBitsPerComponent(8);
        setHeight(height);
        setWidth(width);
    } finally {
        os.close();
    }
}

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From source file:Composite.java

public void paintComponent(Graphics g) {
    super.paintComponent(g);
    Graphics2D g2 = (Graphics2D) g;

    Dimension d = getSize();/*  www .j  a  v  a  2s .  c  o  m*/
    int w = d.width;
    int h = d.height;

    BufferedImage buffImg = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
    Graphics2D gbi = buffImg.createGraphics();

    g2.setColor(Color.white);
    g2.fillRect(0, 0, d.width, d.height);

    int rectx = w / 4;
    int recty = h / 4;

    gbi.setColor(new Color(0.0f, 0.0f, 1.0f, 1.0f));
    gbi.fill(new Rectangle2D.Double(rectx, recty, 150, 100));
    gbi.setColor(new Color(1.0f, 0.0f, 0.0f, 1.0f));
    gbi.setComposite(ac);
    gbi.fill(new Ellipse2D.Double(rectx + rectx / 2, recty + recty / 2, 150, 100));

    g2.drawImage(buffImg, null, 0, 0);
}

---

From source file:com.appnativa.rare.ui.chart.jfreechart.XYPlotEx.java

@Override
protected void fillBackground(Graphics2D g2, Rectangle2D area, PlotOrientation orientation) {
    Paint p = this.getBackgroundPaint();

    if (p == null) {
        return;/*from w ww  . j  av  a 2  s  .c  om*/
    }

    iPainter painter = ChartHelper.getPainter(p);

    if (painter == null) {
        super.fillBackground(g2, area, orientation);

        return;
    }

    Composite originalComposite = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, getBackgroundAlpha()));
    graphics = SwingGraphics.fromGraphics(g2, null, graphics);

    float x = UIScreen.snapToPosition(area.getX());
    float y = UIScreen.snapToPosition(area.getY());
    float w = UIScreen.snapToSize(area.getWidth());
    float h = UIScreen.snapToSize(area.getHeight());

    painter.paint(graphics, x, y, w, h, iPainter.UNKNOWN);
    g2.setComposite(originalComposite);
}

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From source file:ShowOff.java

protected void drawImageMosaic(Graphics2D g2) {
    int side = 36;
    int width = mImage.getWidth();
    int height = mImage.getHeight();
    for (int y = 0; y < height; y += side) {
        for (int x = 0; x < width; x += side) {
            float xBias = (float) x / (float) width;
            float yBias = (float) y / (float) height;
            float alpha = 1.0f - Math.abs(xBias - yBias);
            g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
            int w = Math.min(side, width - x);
            int h = Math.min(side, height - y);
            BufferedImage tile = mImage.getSubimage(x, y, w, h);
            g2.drawImage(tile, x, y, null);
        }/*from   w  w w. j a  va2 s .com*/
    }
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
}

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From source file:dbseer.gui.panel.DBSeerExplainChartPanel.java

@Override
public void paintComponent(Graphics g) {
    super.paintComponent(g);
    Graphics2D g2d = (Graphics2D) g;

    selectRectangle = new Rectangle2D.Double(x, y, width, height);
    g2d.setPaint(Color.black);//from  w w  w  .  j  ava2 s  .  c  o  m
    Composite c = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, .4f);
    g2d.setComposite(c);
    g2d.fill(selectRectangle);
}

---

From source file:de.dakror.villagedefense.game.entity.Entity.java

public void drawEntity(Graphics2D g) {
    if (alpha == 0)
        return;//ww  w .  j  a va2  s  . c o m

    drawBump(g, false);
    Composite c = g.getComposite();
    if (this instanceof Struct)
        g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
    draw(g);
    g.setComposite(c);

    if (isHungry()) {
        g.drawImage(Game.getImage("icon/hunger.png"), (int) x,
                (int) (y - Tile.SIZE - Math.cos(tick / 10f) * Tile.SIZE / 4), 32, 32, Game.w);
    } else if (this instanceof Struct && !((Struct) this).isWorking()) {
        g.drawImage(Game.getImage("icon/sleep.png"), (int) (x + width * 0.75f),
                (int) (y - Tile.SIZE - Math.cos(tick / 10f) * Tile.SIZE / 4), 32, 32, Game.w);
    }

    drawBump(g, true);
}

---

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