Example usage for java.awt Transparency OPAQUE

Introduction

In this page you can find the example usage for java.awt Transparency OPAQUE.

Prototype

int OPAQUE

To view the source code for java.awt Transparency OPAQUE.

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Document

Represents image data that is guaranteed to be completely opaque, meaning that all pixels have an alpha value of 1.0.

Usage

From source file:ComponentTest.java

public static void main(String[] args) {
    ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
    ColorModel cm = new ComponentColorModel(cs, new int[] { 5, 6, 5 }, false, false, Transparency.OPAQUE,
            DataBuffer.TYPE_BYTE);

    Color fifty = new Color(cs, new float[] { 1.0f, 1.0f, 1.0f }, 0);
    float[] components = fifty.getComponents(null);
    System.out.print("Original normalized components: ");
    for (int i = 0; i < 3; i++)
        System.out.print(components[i] + " ");
    System.out.println();//w  ww  . j a v a 2 s  .  c  o m
    int[] unnormalized = cm.getUnnormalizedComponents(components, 0, null, 0);
    System.out.print("Original unnormalized components: ");
    for (int i = 0; i < 3; i++)
        System.out.print(unnormalized[i] + " ");
    System.out.println();
    Object pixel = cm.getDataElements(unnormalized, 0, (Object) null);
    System.out.print("Pixel samples: ");
    byte[] pixelBytes = (byte[]) pixel;
    for (int i = 0; i < 3; i++)
        System.out.print(pixelBytes[i] + " ");
    System.out.println();

    unnormalized = cm.getComponents(pixel, null, 0);
    System.out.print("Derived unnormalized components: ");
    for (int i = 0; i < 3; i++)
        System.out.print(unnormalized[i] + " ");
    System.out.println();
    components = cm.getNormalizedComponents(unnormalized, 0, null, 0);
    System.out.print("Derived normalized components: ");
    for (int i = 0; i < 3; i++)
        System.out.print(components[i] + " ");
    System.out.println();
}

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From source file:MainClass.java

public static void main(String[] args) throws Exception {
    ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
    ColorModel cm = new ComponentColorModel(cs, new int[] { 5, 6, 5 }, false, false, Transparency.OPAQUE,
            DataBuffer.TYPE_BYTE);

    Color fifty = new Color(cs, new float[] { 1.0f, 1.0f, 1.0f }, 0);
    float[] components = fifty.getComponents(null);
    System.out.print("Original normalized components: ");
    for (int i = 0; i < 3; i++)
        System.out.print(components[i] + " ");
    System.out.println();//from  ww  w  .j  a v a2 s. c o  m
    int[] unnormalized = cm.getUnnormalizedComponents(components, 0, null, 0);
    System.out.print("Original unnormalized components: ");
    for (int i = 0; i < 3; i++)
        System.out.print(unnormalized[i] + " ");
    System.out.println();

    Object pixel = cm.getDataElements(unnormalized, 0, (Object) null);
    System.out.print("Pixel samples: ");
    byte[] pixelBytes = (byte[]) pixel;
    for (int i = 0; i < 3; i++)
        System.out.print(pixelBytes[i] + " ");
    System.out.println();

    unnormalized = cm.getComponents(pixel, null, 0);
    System.out.print("Derived unnormalized components: ");
    for (int i = 0; i < 3; i++)
        System.out.print(unnormalized[i] + " ");
    System.out.println();
    components = cm.getNormalizedComponents(unnormalized, 0, null, 0);
    System.out.print("Derived normalized components: ");
    for (int i = 0; i < 3; i++)
        System.out.print(components[i] + " ");
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {

    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    GraphicsDevice gs = ge.getDefaultScreenDevice();
    GraphicsConfiguration gc = gs.getDefaultConfiguration();

    BufferedImage bimage = gc.createCompatibleImage(100, 100, Transparency.OPAQUE);

}

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From source file:Main.java

public static void main(String[] argv) throws Exception {

    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    GraphicsDevice gs = ge.getDefaultScreenDevice();
    GraphicsConfiguration gc = gs.getDefaultConfiguration();

    // Create an image that does not support transparency
    BufferedImage bimage = gc.createCompatibleImage(100, 100, Transparency.OPAQUE);

}

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From source file:Main.java

public static BufferedImage getScaledInstance(BufferedImage img, int targetWidth, int targetHeight, Object hint,
        boolean higherQuality) {
    int type = (img.getTransparency() == Transparency.OPAQUE) ? BufferedImage.TYPE_INT_RGB
            : BufferedImage.TYPE_INT_ARGB;
    BufferedImage ret = img;// w w  w .  jav  a 2  s  .  com
    int w, h;
    if (higherQuality) {
        // Use multi-step technique: start with original size, then
        // scale down in multiple passes with drawImage()
        // until the target size is reached
        w = img.getWidth();
        h = img.getHeight();
    } else {
        // Use one-step technique: scale directly from original
        // size to target size with a single drawImage() call
        w = targetWidth;
        h = targetHeight;
    }

    do {
        if (higherQuality && w > targetWidth) {
            w /= 2;
            if (w < targetWidth) {
                w = targetWidth;
            }
        }

        if (higherQuality && h > targetHeight) {
            h /= 2;
            if (h < targetHeight) {
                h = targetHeight;
            }
        }

        BufferedImage tmp = new BufferedImage(w, h, type);
        Graphics2D g2 = tmp.createGraphics();
        g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, hint);
        g2.drawImage(ret, 0, 0, w, h, null);
        g2.dispose();

        ret = tmp;
    } while (w != targetWidth || h != targetHeight);

    return ret;
}

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From source file:Main.java

public static BufferedImage takeScreenShot(Component component, String... watermarks) {

    Dimension size = component.getSize();

    BufferedImage screenshot = new BufferedImage(size.width, size.height, Transparency.OPAQUE);
    Graphics2D g = screenshot.createGraphics();
    g.setClip(0, 0, size.width - 1, size.height - 1);

    component.update(g);//from   w w  w  . j av  a 2  s .  c o m

    FontMetrics fm = g.getFontMetrics();
    int y = fm.getDescent();
    for (String watermark : watermarks)
        if (watermark != null) {
            int x = size.width - SwingUtilities.computeStringWidth(fm, watermark);

            g.setColor(Color.black);
            g.drawString(watermark, x, y);

            g.setColor(Color.white);
            g.drawString(watermark, x - 1, y - 1);

            y -= fm.getHeight();
        }

    g.dispose();

    return screenshot;
}

---

From source file:Main.java

public static BufferedImage toBufferedImage(Image image) {
    if (image instanceof BufferedImage) {
        return (BufferedImage) image;
    }/*from   www .  j  av  a 2 s . co  m*/

    // This code ensures that all the pixels in the image are loaded
    image = new ImageIcon(image).getImage();

    // Determine if the image has transparent pixels; for this method's
    // implementation, see Determining If an Image Has Transparent Pixels
    boolean hasAlpha = true;

    // Create a buffered image with a format that's compatible with the screen
    BufferedImage bimage = null;
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    try {
        // Determine the type of transparency of the new buffered image
        int transparency = Transparency.OPAQUE;
        if (hasAlpha) {
            transparency = Transparency.BITMASK;
        }

        // Create the buffered image
        GraphicsDevice gs = ge.getDefaultScreenDevice();
        GraphicsConfiguration gc = gs.getDefaultConfiguration();
        bimage = gc.createCompatibleImage(image.getWidth(null), image.getHeight(null), transparency);
    } catch (HeadlessException e) {
        // The system does not have a screen
    }

    if (bimage == null) {
        // Create a buffered image using the default color model
        int type = BufferedImage.TYPE_INT_RGB;
        if (hasAlpha) {
            type = BufferedImage.TYPE_INT_ARGB;
        }
        bimage = new BufferedImage(image.getWidth(null), image.getHeight(null), type);
    }

    // Copy image to buffered image
    Graphics g = bimage.createGraphics();

    // Paint the image onto the buffered image
    g.drawImage(image, 0, 0, null);
    g.dispose();

    return bimage;
}

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From source file:ImageUtil.java

/**
 * Posted by alpha02 at http://www.dreamincode.net/code/snippet1076.htm
 *///from ww  w . j a va  2  s  .  c  o m
public static BufferedImage toBufferedImage(Image image) {
    if (image instanceof BufferedImage)
        return (BufferedImage) image;

    // This code ensures that all the pixels in the image are loaded
    image = new ImageIcon(image).getImage();

    // Determine if the image has transparent pixels
    boolean hasAlpha = hasAlpha(image);

    // Create a buffered image with a format that's compatible with the screen
    BufferedImage bimage = null;

    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();

    try {
        // Determine the type of transparency of the new buffered image
        int transparency = Transparency.OPAQUE;

        if (hasAlpha == true)
            transparency = Transparency.BITMASK;

        // Create the buffered image
        GraphicsDevice gs = ge.getDefaultScreenDevice();
        GraphicsConfiguration gc = gs.getDefaultConfiguration();

        bimage = gc.createCompatibleImage(image.getWidth(null), image.getHeight(null), transparency);
    } catch (HeadlessException e) {
    } //No screen

    if (bimage == null) {
        // Create a buffered image using the default color model
        int type = BufferedImage.TYPE_INT_RGB;

        if (hasAlpha == true) {
            type = BufferedImage.TYPE_INT_ARGB;
        }
        bimage = new BufferedImage(image.getWidth(null), image.getHeight(null), type);
    }

    // Copy image to buffered image
    Graphics g = bimage.createGraphics();

    // Paint the image onto the buffered image
    g.drawImage(image, 0, 0, null);
    g.dispose();

    return bimage;
}

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From source file:com.springsecurity.plugin.util.ImageResizer.java

public BufferedImage scale(File icon, int targetWidth, int targetHeight) {
    BufferedImage ret = null;/* ww w  . j  a  v  a  2s .  co m*/
    if (icon.exists()) {
        try {
            BufferedImage img = ImageIO.read(icon);
            ret = img;
            int type = (img.getTransparency() == Transparency.OPAQUE) ? BufferedImage.TYPE_INT_RGB
                    : BufferedImage.TYPE_INT_ARGB;
            BufferedImage scratchImage = null;
            Graphics2D g2 = null;
            int w = img.getWidth();
            int h = img.getHeight();
            int prevW = w;
            int prevH = h;
            do {
                if (w > targetWidth) {
                    w /= 2;
                    w = (w < targetWidth) ? targetWidth : w;
                }
                if (h > targetHeight) {
                    h /= 2;
                    h = (h < targetHeight) ? targetHeight : h;
                }
                if (scratchImage == null) {
                    scratchImage = new BufferedImage(w, h, type);
                    g2 = scratchImage.createGraphics();
                }

                g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
                        RenderingHints.VALUE_INTERPOLATION_BILINEAR);
                g2.drawImage(ret, 0, 0, w, h, 0, 0, prevW, prevH, null);

                prevW = w;
                prevH = h;
                ret = scratchImage;
            } while (w != targetWidth || h != targetHeight);
            if (g2 != null) {
                g2.dispose();
            }
            if (targetWidth != ret.getWidth() || targetHeight != ret.getHeight()) {
                scratchImage = new BufferedImage(targetWidth, targetHeight, type);
                g2 = scratchImage.createGraphics();
                g2.drawImage(ret, 0, 0, null);
                g2.dispose();
                ret = scratchImage;
            }
        } catch (IOException e) {
        }
    }
    return ret;
}

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From source file:Main.java

/**
 * This method returns a buffered image with the contents of an image
 * This snippet was taken from: http://www.exampledepot.com/egs/java.awt.image/Image2Buf.html
 * @param image//  w  ww  . j  a va2 s.  c  o  m
 * @return The buffered image
 */
public static BufferedImage toBufferedImage(Image image) {
    if (image instanceof BufferedImage) {
        return (BufferedImage) image;
    }

    // This code ensures that all the pixels in the image are loaded
    image = new ImageIcon(image).getImage();

    // Determine if the image has transparent pixels; for this method's
    // implementation, see e661 Determining If an Image Has Transparent Pixels
    boolean hasAlpha = hasAlpha(image);

    // Create a buffered image with a format that's compatible with the screen
    BufferedImage bimage = null;
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    try {
        // Determine the type of transparency of the new buffered image
        int transparency = Transparency.OPAQUE;
        if (hasAlpha) {
            transparency = Transparency.BITMASK;
        }

        // Create the buffered image
        GraphicsDevice gs = ge.getDefaultScreenDevice();
        GraphicsConfiguration gc = gs.getDefaultConfiguration();
        bimage = gc.createCompatibleImage(image.getWidth(null), image.getHeight(null), transparency);
    } catch (HeadlessException e) {
        // The system does not have a screen
    }

    if (bimage == null) {
        // Create a buffered image using the default color model
        int type = BufferedImage.TYPE_INT_RGB;
        if (hasAlpha) {
            type = BufferedImage.TYPE_INT_ARGB;
        }
        bimage = new BufferedImage(image.getWidth(null), image.getHeight(null), type);
    }

    // Copy image to buffered image
    Graphics g = bimage.createGraphics();

    // Paint the image onto the buffered image
    g.drawImage(image, 0, 0, null);
    g.dispose();

    return bimage;
}

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