Example usage for java.awt.image BufferedImage getWidth

Introduction

In this page you can find the example usage for java.awt.image BufferedImage getWidth.

Prototype

public int getWidth() 

Source Link

Document

Returns the width of the BufferedImage .

Usage

From source file:ImageProcessing.ImageProcessing.java

public static double[] extractAlphaValue(BufferedImage source) {
    //Extracts the Alpha value from the RGB value of the source pixels.
    int imageWidth = source.getWidth();
    int imageHeight = source.getHeight();
    double[] values = new double[imageWidth * imageHeight];

    for (int i = 0; i < imageHeight; i++) {
        for (int j = 0; j < imageWidth; j++) {
            int rgbValue = source.getRGB(j, i);
            Color currentPixel = new Color(rgbValue, true);
            int value = currentPixel.getAlpha();
            values[(i * imageWidth) + j] = value;
        }/*  w  w w . j  a va 2 s . c o  m*/
    }

    return values;
}

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From source file:ImageProcessing.ImageProcessing.java

public static double[] extractGreenColor(BufferedImage source) {
    //Extracts the Green value from the RGB value of the source pixels.
    int imageWidth = source.getWidth();
    int imageHeight = source.getHeight();
    double[] values = new double[imageWidth * imageHeight];

    for (int i = 0; i < imageHeight; i++) {
        for (int j = 0; j < imageWidth; j++) {
            int rgbValue = source.getRGB(j, i);
            Color currentPixel = new Color(rgbValue, true);
            int value = currentPixel.getGreen();
            values[(i * imageWidth) + j] = value;
        }//from   ww w  .  j ava2  s.  c  om
    }

    return values;
}

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From source file:net.cloudkit.relaxation.CaptchaTest.java

public static BufferedImage removeBlank(BufferedImage img, int whiteThreshold, int white) throws Exception {
    final int width = img.getWidth();
    final int height = img.getHeight();
    int start = 0;
    int end = 0;//from   ww  w.ja v a 2 s . c  o m
    Label1: for (int y = 0; y < height; ++y) {
        for (int x = 0; x < width; ++x) {
            if (isWhite(img.getRGB(x, y), whiteThreshold) == white) {
                start = y;
                break Label1;
            }
        }
    }
    Label2: for (int y = height - 1; y >= 0; --y) {
        for (int x = 0; x < width; ++x) {
            if (isWhite(img.getRGB(x, y), whiteThreshold) == white) {
                end = y;
                break Label2;
            }
        }
    }
    return img.getSubimage(0, start, width, end - start + 1);
}

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From source file:com.uksf.mf.core.utility.loaders.ImageLoad.java

/**
 * Changes colour of all non-transparent pixels for given image to given colour
 * @param image - image to change colours in
 * @param newColour colour to change to/*  w  w w. ja va 2s.c o m*/
 * @return image with changed colours
 */
private static ImageIcon changeImageColour(ImageIcon image, int newColour) {
    LogHandler.logSeverity(INFO, "Converting image: " + image + " colour to: " + newColour);
    BufferedImage bufferedImage = new BufferedImage(image.getIconWidth(), image.getIconHeight(),
            BufferedImage.TYPE_INT_ARGB);
    Graphics graphics = bufferedImage.createGraphics();
    image.paintIcon(null, graphics, 0, 0);
    graphics.dispose();
    for (int x = 0; x < bufferedImage.getWidth(); x++) {
        for (int y = 0; y < bufferedImage.getHeight(); y++) {
            int colour = bufferedImage.getRGB(x, y);
            colour = (((colour >> 24) & 0xff) << 24) | (((colour & 0x00ff0000) >> 16) << 16)
                    | (((colour & 0x0000ff00) >> 8) << 8) | (colour & 0x000000ff);
            if (colour != COLOUR_TRANSPARENT.getRGB()) {
                newColour = (((colour >> 24) & 0xff) << 24) | (((newColour & 0x00ff0000) >> 16) << 16)
                        | (((newColour & 0x0000ff00) >> 8) << 8) | (newColour & 0x000000ff);
                bufferedImage.setRGB(x, y, newColour);
            }
        }
    }
    return new ImageIcon(bufferedImage);
}

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From source file:com.thalespf.dip.DeblurringTest.java

private static void deblurTest() throws IOException {
    String imagePath = "image_blurred.png";
    IImageIO imageIO = ImageIODesktop.createImageIO(imagePath);
    Object imageObject = imageIO.getImageObject();
    if (imageObject == null || !(imageObject instanceof BufferedImage)) {
        throw new IllegalStateException("Nao foi possivel criar a imagem.");
    }/*from w  w  w  . j  av a 2 s.  co  m*/

    BufferedImage bufferedImage = (BufferedImage) imageObject;
    WritableRaster raster = bufferedImage.getRaster();

    int width = bufferedImage.getWidth();
    int height = bufferedImage.getHeight();

    double[] fft = new double[2 * width * height];
    FFTForwardInverseTest.fftForward(raster, width, height, fft);

    Complex[] complexImage = new Complex[width * height];

    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {

            Complex c = new Complex(fft[2 * (x + y * width)], fft[2 * (x + y * width) + 1]);
            complexImage[x + y * width] = c;

        }
    }

    normalizeToMaxAbsValue(complexImage, width, height, 1);

    double[] degradation = new double[2 * width * height];
    //motionBlur (funcao de transferencia)
    Complex[] complexPsf = motionBlur(degradation, width, height);

    normalizeToMaxAbsValue(complexPsf, width, height, 1);

    //deconvolve data
    double[] convoluted = new double[2 * width * height];
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            Complex complexImg = complexImage[x + y * width];

            Complex complexDeg = complexPsf[x + y * width];

            Complex m = deconvolutionByWiener(complexImg, complexDeg);

            convoluted[2 * (x + y * width)] = m.getReal();
            convoluted[2 * (x + y * width) + 1] = m.getImaginary();
        }
    }

    double[] imageResult = new double[width * height];
    FFTForwardInverseTest.fftInverse(convoluted, imageResult, width, height);

    int[] image = new int[imageResult.length];
    Expansion.globalExpansion2(imageResult, image, width, height);

    ImageIODesktop imageIODesktop = new ImageIODesktop();
    imageIODesktop.savePixels(image, width, height, null, "image_deblurred");
}

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From source file:com.opendesign.utils.ThumbnailManager.java

/**
 * ?? ?   //ww  w .j a va  2  s  .  co  m
 * ?  width ?  resize ?.
 * @param width
 * @param imageFile
 * @param suffix
 * @throws Exception
 */
private static void resizeNSaveThumbnail(double width, File imageFile, String suffix) throws Exception {

    BufferedImage originalImage = ImageIO.read(imageFile);
    double originalWidth = originalImage.getWidth();
    double originalHeight = originalImage.getHeight();

    double resizableWidth = originalWidth;
    double resizableHeight = originalHeight;

    String extension = imageFile.getName().substring(imageFile.getName().indexOf(".") + 1);
    String fileName = imageFile.getName().substring(0, imageFile.getName().indexOf("."));
    String target = imageFile.getAbsolutePath();
    target = target.substring(0, target.lastIndexOf(File.separator) + 1) + fileName + suffix + "." + extension;

    if (originalWidth > width) {
        resizableWidth = width;
        double ratio = (double) width / (double) originalImage.getWidth();
        resizableHeight = originalImage.getHeight() * ratio;

        Thumbnails.of(originalImage).size((int) resizableWidth, (int) resizableHeight).outputFormat(extension)
                .toFile(target);
    } else {
        CmnUtil.fileCopy(imageFile.getAbsolutePath(), target);
    }

}

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From source file:com.thalespf.dip.DeblurringTest.java

private static void blurTest() throws IOException {
    String imagePath = "image.jpg";
    IImageIO imageIO = ImageIODesktop.createImageIO(imagePath);
    Object imageObject = imageIO.getImageObject();
    if (imageObject == null || !(imageObject instanceof BufferedImage)) {
        throw new IllegalStateException("Nao foi possivel criar a imagem.");
    }/*from   ww  w . j  a  v a  2s  . c o m*/

    BufferedImage bufferedImage = (BufferedImage) imageObject;
    WritableRaster raster = bufferedImage.getRaster();

    int width = bufferedImage.getWidth();
    int height = bufferedImage.getHeight();

    double[] fft = new double[2 * width * height];
    FFTForwardInverseTest.fftForward(raster, width, height, fft);

    Complex[] ci = new Complex[width * height];

    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {

            Complex c = new Complex(fft[2 * (x + y * width)], fft[2 * (x + y * width) + 1]);
            ci[x + y * width] = c;

        }
    }

    normalizeToMaxAbsValue(ci, width, height, 1);

    double[] degradation = new double[2 * width * height];
    //motionBlur (funcao de transferencia)
    Complex[] complexPsf = motionBlur(degradation, width, height);

    normalizeToMaxAbsValue(complexPsf, width, height, 1);

    //convolve data
    double[] convoluted = new double[2 * width * height];
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            double realImg = fft[2 * (x + y * width)];
            double imgImg = fft[2 * (x + y * width) + 1];
            Complex complexImage = new Complex(realImg, imgImg);

            double realDeg = degradation[2 * (x + y * width)];
            double imgDeg = degradation[2 * (x + y * width) + 1];
            Complex complexDeg = new Complex(realDeg, imgDeg);

            Complex m = complexImage.multiply(complexDeg);
            convoluted[2 * (x + y * width)] = m.getReal();
            convoluted[2 * (x + y * width) + 1] = m.getImaginary();
        }
    }

    double[] imageResult = new double[width * height];
    FFTForwardInverseTest.fftInverse(convoluted, imageResult, width, height);

    int[] image = new int[imageResult.length];
    Expansion.globalExpansion2(imageResult, image, width, height);

    ImageIODesktop imageIODesktop = new ImageIODesktop();
    imageIODesktop.savePixels(image, width, height, null, "image_blurred");
}

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From source file:ImageProcessing.ImageProcessing.java

public static void processFlipHorizontal(BufferedImage image) {
    //Flips image horizontally.
    for (int i = 0; i < image.getHeight(); i++) {
        for (int j = 0; j < image.getWidth() / 2; j++) {
            int left_rgb = image.getRGB(j, i);
            int right_rgb = image.getRGB(image.getWidth() - (j + 1), i);

            image.setRGB(j, i, right_rgb);
            image.setRGB(image.getWidth() - (j + 1), i, left_rgb);
        }//from   w w  w . j  a  va 2 s  . co m
    }
}

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From source file:ImageProcessing.ImageProcessing.java

public static void processFlipVertical(BufferedImage image) {
    //Flips image vertically.
    for (int i = 0; i < image.getHeight() / 2; i++) {
        for (int j = 0; j < image.getWidth(); j++) {
            int upper_rgb = image.getRGB(j, i);
            int below_rgb = image.getRGB(j, image.getHeight() - (i + 1));
            image.setRGB(j, i, below_rgb);
            image.setRGB(j, image.getHeight() - (i + 1), upper_rgb);
        }/* w w  w. java2 s. c o  m*/
    }
}

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From source file:ConvertUtil.java

/**
 * Converts the source to 1-bit colour depth (monochrome). No transparency.
 * //  w w w.  jav a 2  s . co m
 * @param src
 *            the source image to convert
 * @return a copy of the source image with a 1-bit colour depth.
 */
public static BufferedImage convert1(BufferedImage src) {
    IndexColorModel icm = new IndexColorModel(1, 2, new byte[] { (byte) 0, (byte) 0xFF },
            new byte[] { (byte) 0, (byte) 0xFF }, new byte[] { (byte) 0, (byte) 0xFF });

    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;
}

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