Example usage for java.awt Transparency OPAQUE

List of usage examples for java.awt Transparency OPAQUE

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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:imageLines.ImageHelpers.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 = (BufferedImage) img;
    int w, h;//  www .ja  va2  s  . c o m
    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;
}

From source file:ConvertUtil.java

/**
 * Converts the source image to 4-bit colour using the given colour map. No
 * transparency./*from ww  w .  j ava 2 s. co  m*/
 * 
 * @param src
 *            the source image to convert
 * @param cmap
 *            the colour map, which should contain no more than 16 entries
 *            The entries are in the form RRGGBB (hex).
 * @return a copy of the source image with a 4-bit colour depth, with the
 *         custom colour pallette
 */
public static BufferedImage convert4(BufferedImage src, int[] cmap) {
    IndexColorModel icm = new IndexColorModel(4, cmap.length, cmap, 0, false, Transparency.OPAQUE,
            DataBuffer.TYPE_BYTE);
    BufferedImage dest = new BufferedImage(src.getWidth(), src.getHeight(), BufferedImage.TYPE_BYTE_BINARY,
            icm);
    ColorConvertOp cco = new ColorConvertOp(src.getColorModel().getColorSpace(),
            dest.getColorModel().getColorSpace(), null);
    cco.filter(src, dest);

    return dest;
}

From source file:com.fun.util.TesseractUtil.java

/**
 * //from ww  w.java2s  .  c  o  m
 *
 * @param imageFile
 * @param times
 * @param targetFile
 * @throws IOException
 */
private static void scaled(File imageFile, int times, File targetFile) throws IOException {
    BufferedImage image = ImageIO.read(imageFile);
    int targetWidth = image.getWidth() * times;
    int targetHeight = image.getHeight() * times;
    int type = (image.getTransparency() == Transparency.OPAQUE) ? BufferedImage.TYPE_INT_RGB
            : BufferedImage.TYPE_INT_ARGB;
    BufferedImage tmp = new BufferedImage(targetWidth, targetHeight, type);
    Graphics2D g2 = tmp.createGraphics();
    g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    g2.drawImage(image, 0, 0, targetWidth, targetHeight, null);
    g2.dispose();
    ImageIO.write(tmp, "png", targetFile);
}

From source file:PictureScaler.java

/**
 * Convenience method that returns a scaled instance of the
 * provided BufferedImage.//from   w  w  w.  j  ava 2s  .c o  m
 * 
 * 
 * @param img the original image to be scaled
 * @param targetWidth the desired width of the scaled instance,
 *    in pixels
 * @param targetHeight the desired height of the scaled instance,
 *    in pixels
 * @param hint one of the rendering hints that corresponds to
 *    RenderingHints.KEY_INTERPOLATION (e.g.
 *    RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR,
 *    RenderingHints.VALUE_INTERPOLATION_BILINEAR,
 *    RenderingHints.VALUE_INTERPOLATION_BICUBIC)
 * @param progressiveBilinear if true, this method will use a multi-step
 *    scaling technique that provides higher quality than the usual
 *    one-step technique (only useful in down-scaling cases, where
 *    targetWidth or targetHeight is
 *    smaller than the original dimensions)
 * @return a scaled version of the original BufferedImage
 */
public BufferedImage getFasterScaledInstance(BufferedImage img, int targetWidth, int targetHeight, Object hint,
        boolean progressiveBilinear) {
    int type = (img.getTransparency() == Transparency.OPAQUE) ? BufferedImage.TYPE_INT_RGB
            : BufferedImage.TYPE_INT_ARGB;
    BufferedImage ret = img;
    BufferedImage scratchImage = null;
    Graphics2D g2 = null;
    int w, h;
    int prevW = ret.getWidth();
    int prevH = ret.getHeight();
    boolean isTranslucent = img.getTransparency() != Transparency.OPAQUE;

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

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

        if (scratchImage == null || isTranslucent) {
            // Use a single scratch buffer for all iterations
            // and then copy to the final, correctly-sized image
            // before returning
            scratchImage = new BufferedImage(w, h, type);
            g2 = scratchImage.createGraphics();
        }
        g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, hint);
        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 we used a scratch buffer that is larger than our target size,
    // create an image of the right size and copy the results into it
    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;
    }

    return ret;
}

From source file:net.sf.jasperreports.engine.RenderableUtil.java

/**
 *
 *///from   w  w  w. j  a  va  2s  .  c om
public Renderable getRenderable(Image img, OnErrorTypeEnum onErrorType) throws JRException {
    ImageTypeEnum type = ImageTypeEnum.JPEG;
    if (img instanceof RenderedImage) {
        ColorModel colorModel = ((RenderedImage) img).getColorModel();
        //if the image has transparency, encode as PNG
        if (colorModel.hasAlpha() && colorModel.getTransparency() != Transparency.OPAQUE) {
            type = ImageTypeEnum.PNG;
        }
    }

    return getRenderable(img, type, onErrorType);
}

From source file:com.jaeksoft.searchlib.util.ImageUtils.java

public final static BufferedImage reduceImage(BufferedImage image, int width, int height) {
    int type = (image.getTransparency() == Transparency.OPAQUE) ? BufferedImage.TYPE_INT_RGB
            : BufferedImage.TYPE_INT_ARGB;
    BufferedImage ret = (BufferedImage) image;
    int w = image.getWidth();
    int h = image.getHeight();

    while (w != width || h != height) {
        if (w > width) {
            w /= 2;//w w  w.j a v  a  2 s.  co m
            if (w < width)
                w = width;
        }

        if (h > height) {
            h /= 2;
            if (h < height)
                h = height;
        }

        BufferedImage tmp = new BufferedImage(w, h, type);

        Graphics2D g2 = tmp.createGraphics();
        g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        g2.drawImage(ret, 0, 0, w, h, null);
        g2.dispose();
        ret = tmp;
    }
    return ret;
}

From source file:com.t3.image.ImageUtil.java

/**
 * Look at the image and determine which Transparency is most appropriate.
 * If it finds any translucent pixels it returns Transparency.TRANSLUCENT, if 
 * it finds at least one purely transparent pixel and no translucent pixels
 * it will return Transparency.BITMASK, in all other cases it returns 
 * Transparency.OPAQUE, including errors
 * // w ww . j  a v a  2 s .  c  om
 * @param image
 * @return one of Transparency constants
 */
public static int pickBestTransparency(Image image) {

    // Take a shortcut if possible
    if (image instanceof BufferedImage) {
        return pickBestTransparency((BufferedImage) image);
    }

    // Legacy method
    // NOTE: This is a horrible memory hog
    int width = image.getWidth(null);
    int height = image.getHeight(null);
    int[] pixelArray = new int[width * height];
    PixelGrabber pg = new PixelGrabber(image, 0, 0, width, height, pixelArray, 0, width);
    try {
        pg.grabPixels();
    } catch (InterruptedException e) {
        System.err.println("interrupted waiting for pixels!");
        return Transparency.OPAQUE;
    }

    if ((pg.getStatus() & ImageObserver.ABORT) != 0) {
        System.err.println("image fetch aborted or errored");
        return Transparency.OPAQUE;
    }

    // Look for specific pixels
    boolean foundTransparent = false;
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            // Get the next pixel
            int pixel = pixelArray[y * width + x];
            int alpha = (pixel >> 24) & 0xff;

            // Is there translucency or just pure transparency ?
            if (alpha > 0 && alpha < 255) {
                return Transparency.TRANSLUCENT;
            }

            if (alpha == 0 && !foundTransparent) {
                foundTransparent = true;
            }
        }
    }

    return foundTransparent ? Transparency.BITMASK : Transparency.OPAQUE;
}

From source file:net.rptools.lib.image.ImageUtil.java

/**
 * Look at the image and determine which Transparency is most appropriate. If it finds any translucent pixels it
 * returns Transparency.TRANSLUCENT, if it finds at least one purely transparent pixel and no translucent pixels it
 * will return Transparency.BITMASK, in all other cases it returns Transparency.OPAQUE, including errors
 * /*from ww  w .ja  v  a  2s .  c o m*/
 * @param image
 * @return one of Transparency constants
 */
public static int pickBestTransparency(Image image) {
    // Take a shortcut if possible
    if (image instanceof BufferedImage) {
        return pickBestTransparency((BufferedImage) image);
    }

    // Legacy method
    // NOTE: This is a horrible memory hog
    int width = image.getWidth(null);
    int height = image.getHeight(null);
    int[] pixelArray = new int[width * height];
    PixelGrabber pg = new PixelGrabber(image, 0, 0, width, height, pixelArray, 0, width);
    try {
        pg.grabPixels();
    } catch (InterruptedException e) {
        System.err.println("interrupted waiting for pixels!");
        return Transparency.OPAQUE;
    }
    if ((pg.getStatus() & ImageObserver.ABORT) != 0) {
        System.err.println("image fetch aborted or errored");
        return Transparency.OPAQUE;
    }
    // Look for specific pixels
    boolean foundTransparent = false;
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            // Get the next pixel
            int pixel = pixelArray[y * width + x];
            int alpha = (pixel >> 24) & 0xff;

            // Is there translucency or just pure transparency ?
            if (alpha > 0 && alpha < 255) {
                return Transparency.TRANSLUCENT;
            }
            if (alpha == 0 && !foundTransparent) {
                foundTransparent = true;
            }
        }
    }
    return foundTransparent ? Transparency.BITMASK : Transparency.OPAQUE;
}

From source file:com.alvermont.terraj.planet.io.ImageBuilder.java

/**
 * Create and return a <code>BufferedImage</code> object from the
 * result of the projection. This image can then be further processed
 * or written out to a file using <code>ImageIO</code>.
 *
 * @param proj The projection that will provide the image
 * @return A <code>BufferedImage</code> object containing the results of
 * the projection./*w  w w . j a va2s.  c o m*/
 */
public BufferedImage getImage(Projector proj) {
    // get the pixel data and store it into a data buffer
    final byte[] pixels = getPixels(proj);

    final DataBuffer db = new DataBufferByte(pixels, pixels.length);

    // set up offsets for the R,G,B elements
    final int[] offsets = new int[3];

    offsets[0] = 0;
    offsets[1] = 1;
    offsets[2] = 2;

    // create the raster from the pixel data
    final int height = proj.getParameters().getProjectionParameters().getHeight();
    final int width = proj.getParameters().getProjectionParameters().getWidth();

    final WritableRaster raster = Raster.createInterleavedRaster(db, width, height, width * 3, 3, offsets,
            null);

    // create a colour model that matches the raster we have
    final ColorModel cm = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), false, false,
            Transparency.OPAQUE, DataBuffer.TYPE_BYTE);

    // combine raster and colour model into a buffered image
    final BufferedImage img = new BufferedImage(cm, raster, false, null);

    return img;
}

From source file:FileUtils.java

/**
 * Convenience method that returns a scaled instance of the
 * provided {@code BufferedImage}./*from  w w w. ja  v a  2  s .c  o  m*/
 *
 * @param img           the original image to be scaled
 * @param targetWidth   the desired width of the scaled instance,
 *                      in pixels
 * @param targetHeight  the desired height of the scaled instance,
 *                      in pixels
 * @param hint          one of the rendering hints that corresponds to
 *                      {@code RenderingHints.KEY_INTERPOLATION} (e.g.
 *                      {@code RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR},
 *                      {@code RenderingHints.VALUE_INTERPOLATION_BILINEAR},
 *                      {@code RenderingHints.VALUE_INTERPOLATION_BICUBIC})
 * @param higherQuality if true, this method will use a multi-step
 *                      scaling technique that provides higher quality than the usual
 *                      one-step technique (only useful in downscaling cases, where
 *                      {@code targetWidth} or {@code targetHeight} is
 *                      smaller than the original dimensions, and generally only when
 *                      the {@code BILINEAR} hint is specified)
 * @return a scaled version of the original {@code BufferedImage}
 */
public static BufferedImage getScaledInstance(BufferedImage img, int targetWidth, int targetHeight, Object hint,
        boolean higherQuality) {
    final int type = img.getTransparency() == Transparency.OPAQUE ? BufferedImage.TYPE_INT_RGB
            : BufferedImage.TYPE_INT_ARGB;
    BufferedImage ret = (BufferedImage) img;
    int w;
    int 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;
            }
        }

        final BufferedImage tmp = new BufferedImage(w, h, type);
        final 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;
}