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:com.jaeksoft.searchlib.util.ImageUtils.java

public final static BufferedImage reduceImage(BufferedImage image, int percent) {
    if (percent >= 100)
        return image;
    float fPercent = (float) percent / 100;
    float newWidth = (float) (image.getWidth()) * fPercent;
    float newHeight = (float) (image.getHeight()) * fPercent;
    return reduceImage(image, (int) newWidth, (int) newHeight);
}

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From source file:common.utils.ImageUtils.java

/**
*    ?  ?//from   ww  w.j  a v a  2 s .  co  m
* @param scaling scaling
* @param image picture
 * @return  ?
 */
public static Dimension getDimmension(double scaling, BufferedImage image) {
    return new Dimension((int) (scaling * image.getWidth()), (int) (scaling * image.getHeight()));
}

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From source file:ml.hsv.java

public static hsv[][] img2RGB2HSV(String ip) throws IOException {
    BufferedImage image;
    int width, height;

    File input = new File(ip);
    image = ImageIO.read(input);//  ww  w.j  a v  a 2s. c  o m
    width = image.getWidth();
    height = image.getHeight();

    hsv hsvImage[][] = new hsv[height][width];

    for (int i = 0; i < height; i++) {
        for (int j = 0; j < width; j++) {
            Color c = new Color(image.getRGB(j, i));
            hsvImage[i][j] = new hsv(c.getRed(), c.getGreen(), c.getBlue());
        }
    }

    HSV2File(hsvImage, width, height);

    return hsvImage;
}

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From source file:ch.rasc.downloadchart.DownloadChartServlet.java

private static Dimension calculateDimension(BufferedImage image, Integer width, Integer height) {

    int imgWidth = image.getWidth();
    int imgHeight = image.getHeight();

    if (width == null && height != null) {
        return new Dimension(imgWidth * height / imgHeight, height);
    } else if (width != null && height == null) {
        return new Dimension(width, imgHeight * width / imgWidth);
    } else if (width != null && height != null) {
        return new Dimension(width, height);
    }// w w w. java 2  s.  c o  m

    return null;

}

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From source file:com.mycollab.mobile.ui.MobileAttachmentUtils.java

public static void saveContentsToRepo(String attachmentPath, Map<String, File> fileStores) {
    if (MapUtils.isNotEmpty(fileStores)) {
        ResourceService resourceService = AppContextUtil.getSpringBean(ResourceService.class);
        for (Map.Entry<String, File> entry : fileStores.entrySet()) {
            try {
                String fileExt = "";
                String fileName = entry.getKey();
                File file = entry.getValue();
                int index = fileName.lastIndexOf(".");
                if (index > 0) {
                    fileExt = fileName.substring(index + 1, fileName.length());
                }/*  w w  w. j  a va2  s .  co m*/

                if ("jpg".equalsIgnoreCase(fileExt) || "png".equalsIgnoreCase(fileExt)) {
                    try {
                        BufferedImage bufferedImage = ImageIO.read(file);

                        int imgHeight = bufferedImage.getHeight();
                        int imgWidth = bufferedImage.getWidth();

                        BufferedImage scaledImage;

                        float scale;
                        float destWidth = 974;
                        float destHeight = 718;

                        float scaleX = Math.min(destHeight / imgHeight, 1);
                        float scaleY = Math.min(destWidth / imgWidth, 1);
                        scale = Math.min(scaleX, scaleY);
                        scaledImage = ImageUtil.scaleImage(bufferedImage, scale);

                        ByteArrayOutputStream outStream = new ByteArrayOutputStream();
                        ImageIO.write(scaledImage, fileExt, outStream);

                        resourceService.saveContent(constructContent(fileName, attachmentPath),
                                UserUIContext.getUsername(), new ByteArrayInputStream(outStream.toByteArray()),
                                MyCollabUI.getAccountId());
                    } catch (IOException e) {
                        LOG.error("Error in upload file", e);
                        resourceService.saveContent(constructContent(fileName, attachmentPath),
                                UserUIContext.getUsername(), new FileInputStream(fileStores.get(fileName)),
                                MyCollabUI.getAccountId());
                    }
                } else {
                    resourceService.saveContent(constructContent(fileName, attachmentPath),
                            UserUIContext.getUsername(), new FileInputStream(file), MyCollabUI.getAccountId());
                }

            } catch (FileNotFoundException e) {
                LOG.error("Error when attach content in UI", e);
            }
        }
    }
}

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From source file:de.ppi.selenium.util.ScreenshotUtils.java

/**
 * Calculate how similar the 2 immages are.
 *
 * @param var picture1/*from ww  w  .j  a  va 2 s. c o  m*/
 * @param cont picture2
 * @return a value between 0 and 1.
 */
private static double similarity(BufferedImage var, BufferedImage cont) {

    final int scale = 3;
    double[] varArr = new double[var.getWidth() * var.getHeight() * scale];
    double[] contArr = new double[cont.getWidth() * cont.getHeight() * scale];

    if (varArr.length != contArr.length) {
        throw new IllegalStateException("The pictures are different sizes!");
    }

    // unroll pixels
    for (int i = 0; i < var.getHeight(); i++) {
        for (int j = 0; j < var.getWidth(); j++) {
            varArr[i * var.getWidth() + j + 0] = new Color(var.getRGB(j, i)).getRed();
            contArr[i * cont.getWidth() + j + 0] = new Color(cont.getRGB(j, i)).getRed();
            varArr[i * var.getWidth() + j + 1] = new Color(var.getRGB(j, i)).getGreen();
            contArr[i * cont.getWidth() + j + 1] = new Color(cont.getRGB(j, i)).getGreen();
            varArr[i * var.getWidth() + j + 2] = new Color(var.getRGB(j, i)).getBlue();
            contArr[i * cont.getWidth() + j + 2] = new Color(cont.getRGB(j, i)).getBlue();
        }
    }

    double mins = 0;
    double maxs = 0;
    for (int i = 0; i != varArr.length; i++) {
        if (varArr[i] > contArr[i]) {
            mins += contArr[i];
            maxs += varArr[i];
        } else {
            mins += varArr[i];
            maxs += contArr[i];
        }
    }
    return mins / maxs;
}

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From source file:ml.hsv.java

public static hsv[][] img2RGB2HSV(File input) throws IOException {
    BufferedImage image;
    int width, height;

    // File input = new File(ip);
    image = ImageIO.read(input);/*from  w w  w .  ja  v  a 2 s  .c  o m*/
    width = image.getWidth();
    height = image.getHeight();

    hsv hsvImage[][] = new hsv[height][width];

    for (int i = 0; i < height; i++) {
        for (int j = 0; j < width; j++) {
            Color c = new Color(image.getRGB(j, i));
            hsvImage[i][j] = new hsv(c.getRed(), c.getGreen(), c.getBlue());
        }
    }
    // HSV2File(hsvImage,width,height); debugging code removed      
    return hsvImage;
}

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From source file:ImageProcessing.ImageProcessing.java

public static void processGrayscale(BufferedImage image) {
    //Converts a color image to a Grayscale image.
    for (int i = 0; i < image.getHeight(); i++) {
        for (int j = 0; j < image.getWidth(); j++) {
            int rgb = image.getRGB(j, i);
            Color currentPixel = new Color(rgb, true);
            //Find the average from all the color components for the given pixel.
            int grayLevel = (currentPixel.getRed() + currentPixel.getGreen() + currentPixel.getBlue()) / 3;

            int gray = (grayLevel << 16) + (grayLevel << 8) + grayLevel;
            image.setRGB(j, i, gray);//from ww w.  ja v  a  2  s.  com
        }
    }
}

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From source file:com.alvermont.terraj.stargen.ui.UIUtils.java

/**
 * Scale an image to a particular X and Y size in pixels
 * /*from   w w  w.  java  2  s .c  om*/
 * @param image The image to be scaled
 * @param pixelsX The desired horizontal size in pixels
 * @param pixelsY The desired vertical size in pixels
 * @return A new image scaled to the requested dimensions
 */
public static BufferedImage scaleImage(BufferedImage image, int pixelsX, int pixelsY) {
    int actualWidth = image.getWidth();
    int actualHeight = image.getHeight();

    // work out the scale factor

    double sx = (float) (pixelsX) / actualWidth;
    double sy = (float) (pixelsY) / actualHeight;

    BufferedImage nbi = new BufferedImage(pixelsX, pixelsY, image.getType());

    Graphics2D g2 = nbi.createGraphics();
    AffineTransform at = AffineTransform.getScaleInstance(sx, sy);

    g2.setTransform(at);

    g2.drawImage(image, 0, 0, null);

    return nbi;
}

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From source file:com.vaadin.testbench.screenshot.ImageUtil.java

/**
 * Clones the given BufferedImage//w w  w  .  j  av a2s  . com
 * 
 * @param sourceImage
 *            The image to copy
 * @return A copy of sourceImage
 */
public static BufferedImage cloneImage(BufferedImage sourceImage) {
    // This method could likely be optimized but the gain is probably
    // small
    final int w = sourceImage.getWidth();
    final int h = sourceImage.getHeight();

    BufferedImage newImage = new BufferedImage(w, h, TYPE_INT_RGB);

    Graphics2D g = (Graphics2D) newImage.getGraphics();
    g.drawImage(sourceImage, 0, 0, w, h, null);
    g.dispose();

    return newImage;
}

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