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:com.celements.photo.image.GenerateThumbnail.java

private void drawString(String copyright, int width, int height, int bottomSpace, int rightSpace, int vSpacing,
        int hSpacing, FontMetrics metrics, Graphics2D g2d) {
    AlphaComposite transprency;//from w w  w. ja v a2 s . c  o m
    g2d.setColor(new Color(255, 255, 255));
    transprency = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.66f);
    g2d.setComposite(transprency);
    //Attention: drawString's [x, y] coordinates are the baseline, not upper or lower corner.
    g2d.drawString(copyright, width - metrics.stringWidth(copyright) - hSpacing - rightSpace,
            height - metrics.getDescent() - vSpacing - bottomSpace);
}

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From source file:edu.ku.brc.ui.dnd.SimpleGlassPane.java

@Override
protected void paintComponent(Graphics graphics) {
    Graphics2D g = (Graphics2D) graphics;

    Rectangle rect = getInternalBounds();
    int width = rect.width;
    int height = rect.height;

    if (useBGImage) {
        // Create a translucent intermediate image in which we can perform
        // the soft clipping
        GraphicsConfiguration gc = g.getDeviceConfiguration();
        if (img == null || img.getWidth() != width || img.getHeight() != height) {
            img = gc.createCompatibleImage(width, height, Transparency.TRANSLUCENT);
        }/*from  w w  w.  ja va  2  s  .  com*/
        Graphics2D g2 = img.createGraphics();

        // Clear the image so all pixels have zero alpha
        g2.setComposite(AlphaComposite.Clear);
        g2.fillRect(0, 0, width, height);

        g2.setComposite(AlphaComposite.Src);
        g2.setColor(new Color(0, 0, 0, 85));
        g2.fillRect(0, 0, width, height);

        if (delegateRenderer != null) {
            delegateRenderer.render(g, g2, img);
        }

        g2.dispose();

        // Copy our intermediate image to the screen
        g.drawImage(img, rect.x, rect.y, null);
    }

    super.paintComponent(graphics);

    if (StringUtils.isNotEmpty(text)) {
        Graphics2D g2 = (Graphics2D) graphics;
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g2.setColor(fillColor);
        g2.fillRect(margin.left, margin.top, rect.width, rect.height);

        g2.setFont(new Font((new JLabel()).getFont().getName(), Font.BOLD, pointSize));
        FontMetrics fm = g2.getFontMetrics();

        int tw = fm.stringWidth(text);
        int th = fm.getHeight();
        int tx = (rect.width - tw) / 2;
        int ty = (rect.height - th) / 2;

        if (yPos != null) {
            ty = yPos;
        }

        int expand = 20;
        int arc = expand * 2;

        g2.setColor(new Color(0, 0, 0, 50));

        int x = margin.left + tx - (expand / 2);
        int y = margin.top + ty - fm.getAscent() - (expand / 2);

        drawBGContainer(g2, true, x + 4, y + 6, tw + expand, th + expand, arc, arc);

        g2.setColor(new Color(255, 255, 255, 220));
        drawBGContainer(g2, true, x, y, tw + expand, th + expand, arc, arc);

        g2.setColor(Color.DARK_GRAY);
        drawBGContainer(g2, false, x, y, tw + expand, th + expand, arc, arc);

        g2.setColor(textColor == null ? Color.BLACK : textColor);
        g2.drawString(text, tx, ty);
    }
}

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From source file:Composite.java

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

    Dimension d = getSize();/*from   w ww . ja va 2s . c  om*/
    int w = d.width;
    int h = d.height;

    // Creates the buffered image.
    BufferedImage buffImg = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
    Graphics2D gbi = buffImg.createGraphics();

    // Clears the previously drawn image.
    g2.setColor(Color.white);
    g2.fillRect(0, 0, d.width, d.height);

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

    // Draws the rectangle and ellipse into the buffered image.
    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));

    // Draws the buffered image.
    g2.drawImage(buffImg, null, 0, 0);
}

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From source file:com.pronoiahealth.olhie.server.services.BookCoverImageService.java

/**
 * Resize an image//from   www. jav a2s . c  om
 * 
 * @param originalImage
 * @param width
 * @param height
 * @param type
 * @return
 */
private BufferedImage resize(BufferedImage originalImage, int width, int height, int type) {
    BufferedImage resizedImage = new BufferedImage(width, height, type);
    Graphics2D g = resizedImage.createGraphics();
    try {
        g.setComposite(AlphaComposite.Src);
        g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g.drawImage(originalImage, 0, 0, width, height, null);
    } finally {
        if (g != null) {
            g.dispose();
        }
    }

    return resizedImage;
}

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From source file:TextRendering.java

public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    Dimension d = getSize();//from   w ww  .  j  a  va  2 s  . c o  m
    AffineTransform ct = AffineTransform.getTranslateInstance(d.width / 2, d.height * 3 / 4);
    g2.transform(ct);

    String s = "www.java2s.com";
    Font f = new Font("Serif", Font.PLAIN, 128);
    g2.setFont(f);

    int count = 6;
    for (int i = 1; i <= count; i++) {
        AffineTransform oldTransform = g2.getTransform();

        float ratio = (float) i / (float) count;
        g2.transform(AffineTransform.getRotateInstance(Math.PI * (ratio - 1.0f)));
        float alpha = ((i == count) ? 1.0f : ratio / 3);
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
        g2.drawString(s, 0, 0);

        g2.setTransform(oldTransform);
    }
}

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From source file:painting.IconDisplayer.java

protected void paintComponent(Graphics g) {
    if (isOpaque()) { //paint background
        g.setColor(getBackground());/*from   w  ww .ja v  a 2s.c  o  m*/
        g.fillRect(0, 0, getWidth(), getHeight());
    }

    if (icon != null) {
        //Draw the icon over and over, right aligned.
        Insets insets = getInsets();
        int iconWidth = icon.getIconWidth();
        int iconX = getWidth() - insets.right - iconWidth;
        int iconY = insets.top;
        boolean faded = false;

        //Copy the Graphics object, which is actually
        //a Graphics2D object.  Cast it so we can
        //set alpha composite.
        Graphics2D g2d = (Graphics2D) g.create();

        //Draw the icons, starting from the right.
        //After the first one, the rest are faded.
        //We won't bother painting icons that are clipped.
        g.getClipBounds(clipRect);
        while (iconX >= insets.left) {
            iconRect.setBounds(iconX, iconY, iconWidth, icon.getIconHeight());
            if (iconRect.intersects(clipRect)) {
                icon.paintIcon(this, g2d, iconX, iconY);
            }
            iconX -= (iconWidth + pad);
            if (!faded) {
                g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.1f));
                faded = true;
            }
        }

        g2d.dispose(); //clean up
    }
}

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From source file:org.apache.fop.afp.AFPGraphics2D.java

/**
 * Draws an AWT image into a BufferedImage using an AWT Graphics2D implementation
 *
 * @param img the AWT image//from w  w w .  j  ava  2s. co m
 * @param bufferedImage the AWT buffered image
 * @param width the image width
 * @param height the image height
 * @param observer the image observer
 * @return true if the image was drawn
 */
private boolean drawBufferedImage(Image img, BufferedImage bufferedImage, int width, int height,
        ImageObserver observer) {

    java.awt.Graphics2D g2d = bufferedImage.createGraphics();
    try {
        g2d.setComposite(AlphaComposite.SrcOver);

        Color color = new Color(1, 1, 1, 0);
        g2d.setBackground(color);
        g2d.setPaint(color);

        g2d.fillRect(0, 0, width, height);

        int imageWidth = bufferedImage.getWidth();
        int imageHeight = bufferedImage.getHeight();
        Rectangle clipRect = new Rectangle(0, 0, imageWidth, imageHeight);
        g2d.clip(clipRect);

        g2d.setComposite(gc.getComposite());

        return g2d.drawImage(img, 0, 0, imageWidth, imageHeight, observer);
    } finally {
        g2d.dispose(); //drawn so dispose immediately to free system resource
    }
}

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From source file:IconDisplayer.java

protected void paintComponent(Graphics g) {
    if (isOpaque()) { //paint background
        g.setColor(getBackground());/*from  w  w w.  ja  va2s  .co m*/
        g.fillRect(0, 0, getWidth(), getHeight());
    }

    if (icon != null) {
        //Draw the icon over and over, right aligned.
        Insets insets = getInsets();
        int iconWidth = icon.getIconWidth();
        int iconX = getWidth() - insets.right - iconWidth;
        int iconY = insets.top;
        boolean faded = false;

        //Copy the Graphics object, which is actually
        //a Graphics2D object. Cast it so we can
        //set alpha composite.
        Graphics2D g2d = (Graphics2D) g.create();

        //Draw the icons, starting from the right.
        //After the first one, the rest are faded.
        //We won't bother painting icons that are clipped.
        g.getClipBounds(clipRect);
        while (iconX >= insets.left) {
            iconRect.setBounds(iconX, iconY, iconWidth, icon.getIconHeight());
            if (iconRect.intersects(clipRect)) {
                icon.paintIcon(this, g2d, iconX, iconY);
            }
            iconX -= (iconWidth + pad);
            if (!faded) {
                g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.1f));
                faded = true;
            }
        }

        g2d.dispose(); //clean up
    }
}

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From source file:org.jahia.services.image.AbstractJava2DImageService.java

public boolean rotateImage(Image image, File outputFile, boolean clockwise) throws IOException {
    BufferedImage originalImage = ((BufferImage) image).getOriginalImage();

    BufferedImage dest = getDestImage(originalImage.getHeight(), originalImage.getWidth(), originalImage);
    // Paint source image into the destination, scaling as needed
    Graphics2D graphics2D = getGraphics2D(dest, OperationType.ROTATE);

    double angle = Math.toRadians(clockwise ? 90 : -90);
    double sin = Math.abs(Math.sin(angle)), cos = Math.abs(Math.cos(angle));
    int w = originalImage.getWidth(), h = originalImage.getHeight();
    int neww = (int) Math.floor(w * cos + h * sin), newh = (int) Math.floor(h * cos + w * sin);
    graphics2D.translate((neww - w) / 2, (newh - h) / 2);
    graphics2D.rotate(angle, w / (double) 2, h / (double) 2);
    graphics2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC));
    if (originalImage.getColorModel() instanceof IndexColorModel) {
        graphics2D.drawImage(originalImage, 0, 0, graphics2D.getBackground(), null);
    } else {/*from  www . j  a v a 2s.  c o  m*/
        graphics2D.drawImage(originalImage, 0, 0, null);
    }

    // Save destination image
    saveImageToFile(dest, ((BufferImage) image).getMimeType(), outputFile);
    return true;
}

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From source file:com.celements.photo.image.GenerateThumbnail.java

private void drawWatermark(String watermark, Graphics2D g2d, int width, int height) {
    //TODO implement 'secure' watermark (i.e. check if this algorithm secure or can it be easily reversed?)
    g2d.setColor(new Color(255, 255, 150));
    AlphaComposite transprency = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.45f);
    g2d.setComposite(transprency);

    FontMetrics metrics = calcWatermarkFontSize(watermark, width, g2d);
    g2d.setFont(calcWatermarkFontSize(watermark, width, g2d).getFont());

    // rotate around image center
    double angle = (Math.sin(height / (double) width));
    g2d.rotate(-angle, width / 2.0, height / 2.0);

    g2d.drawString(watermark, (width - metrics.stringWidth(watermark)) / 2,
            ((height - metrics.getHeight()) / 2) + metrics.getAscent());

    // undo rotation for correct copyright positioning
    g2d.rotate(angle, width / 2.0, height / 2.0);
}

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