Example usage for java.awt.image BufferedImage getWidth

List of usage examples for java.awt.image BufferedImage getWidth

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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:gr.iti.mklab.reveal.forensics.util.Util.java

public static float[][][] getResizedImageDifference(BufferedImage image1, BufferedImage image2, int newWidth,
        int newHeight) {
    // Calculate the subsampled difference between two buffered images
    float[][][] outputMap = new float[3][newWidth][newHeight];
    float widthModifier = (float) image1.getWidth() / newWidth;
    float heightModifier = (float) image1.getHeight() / newHeight;
    Color tmpColor1, tmpColor2;//from w  w w  . j  av  a2s . com
    for (int ii = 0; ii < newHeight; ii++) {
        for (int jj = 0; jj < newWidth; jj++) {
            try {
                tmpColor1 = new Color(
                        image1.getRGB(Math.round(jj * widthModifier), Math.round(ii * heightModifier)));
                tmpColor2 = new Color(
                        image2.getRGB(Math.round(jj * widthModifier), Math.round(ii * heightModifier)));
                outputMap[0][jj][ii] = (float) (tmpColor1.getRed() - tmpColor2.getRed())
                        * (tmpColor1.getRed() - tmpColor2.getRed());
                outputMap[1][jj][ii] = (float) (tmpColor1.getGreen() - tmpColor2.getGreen())
                        * (tmpColor1.getGreen() - tmpColor2.getGreen());
                outputMap[2][jj][ii] = (float) (tmpColor1.getBlue() - tmpColor2.getBlue())
                        * (tmpColor1.getBlue() - tmpColor2.getBlue());
            } catch (Exception e) {
                System.out.println(newHeight + " " + newWidth + " " + image1.getHeight() + " "
                        + image1.getWidth() + " " + ii + " " + jj + " " + Math.round(ii * heightModifier) + " "
                        + Math.round(jj * widthModifier) + " " + heightModifier + " " + widthModifier);
                e.printStackTrace();
                return outputMap;
            }
        }
    }
    return outputMap;
}

From source file:org.smigo.constraints.CommonsMultipartFileImageValidator.java

public boolean isValid(CommonsMultipartFile file, ConstraintValidatorContext constraintContext) {
    log.debug("Validating:" + file.getOriginalFilename() + " contenttype:" + file.getContentType()
            + " storagedescrip:" + file.getStorageDescription());
    if (file.isEmpty())
        return true;
    try {//from  www.  j  av  a2s  .c om
        BufferedImage image = ImageIO.read(file.getInputStream());
        if (image.getHeight() == height && image.getWidth() == width)
            return true;
    } catch (Exception e) {
        return false;
    }
    return false;
}

From source file:at.tuwien.ifs.somtoolbox.apps.viewer.fileutils.ExportUtils.java

public static void drawLinkInfo(GrowingLayer growingLayer, MapPNode mapPnode, double unitWidth,
        Graphics2D graphics, String dataFilesPrefix) {
    int width = (int) unitWidth;
    for (int x = 0; x < growingLayer.getXSize(); x++) {
        for (int y = 0; y < growingLayer.getYSize(); y++) {
            try {
                if (growingLayer.getUnit(x, y) != null) {
                    String[] mappedData = growingLayer.getUnit(x, y).getMappedInputNames();
                    if (mappedData != null) {
                        boolean hasValidLink = false;
                        for (String element : mappedData) {
                            if (new File(dataFilesPrefix + element).exists()) {
                                hasValidLink = true;
                                break;
                            }/*from   ww w.j a  va  2s  . co  m*/
                        }
                        if (hasValidLink) {
                            try {
                                BufferedImage icon = ImageIO.read(new FileInputStream(ExportUtils.class
                                        .getResource(RESOURCE_PATH_ICONS + "note.png").getFile()));
                                // icon = scaleImageByHeight(icon, (int) (unitWidth - 2));
                                int iconHeight = (int) (unitWidth * 0.7);
                                int iconWidth = (int) ((double) iconHeight / (double) icon.getHeight()
                                        * icon.getWidth());
                                int restWidth = (width - iconWidth) / 2;
                                int restHeight = (width - iconHeight) / 2;
                                graphics.drawImage(icon, x * width + restWidth, y * width + restHeight,
                                        iconWidth, iconHeight, null);
                            } catch (FileNotFoundException e) {
                                // TODO Auto-generated catch block
                                e.printStackTrace();
                            } catch (IOException e) {
                                // TODO Auto-generated catch block
                                e.printStackTrace();
                            }
                        }
                    }
                }
            } catch (LayerAccessException e) {
                // should not happen
                e.printStackTrace();
            }

        }
    }
}

From source file:ch.admin.isb.hermes5.util.ImageUtilsTest.java

@Test
public void testScaleByWidth() {
    byte[] gifStream = getResourceAsStream("logo.jpg");
    BufferedImage bufferedImage = imageUtil.toBufferedImage(gifStream);
    BufferedImage makeSmallerToMax = imageUtil.makeSmallerToMax(bufferedImage, 100, 90);
    assertEquals(100, makeSmallerToMax.getWidth());
    assertEquals((int) (10300.0 / 241), makeSmallerToMax.getHeight());
}

From source file:Main.java

public void createThumbnail(File file) throws Exception {
    BufferedImage img = ImageIO.read(file);
    BufferedImage thumb = new BufferedImage(100, 200, BufferedImage.TYPE_INT_RGB);

    Graphics2D g2d = (Graphics2D) thumb.getGraphics();
    g2d.drawImage(img, 0, 0, thumb.getWidth() - 1, thumb.getHeight() - 1, 0, 0, img.getWidth() - 1,
            img.getHeight() - 1, null);// w  w  w .java 2s . c  o  m
    g2d.dispose();
    ImageIO.write(thumb, "PNG", new File("thumb.png"));
}

From source file:fi.helsinki.opintoni.service.ImageService.java

private BufferedImage toJpg(BufferedImage bufferedImage) {
    BufferedImage jpgImage = new BufferedImage(bufferedImage.getWidth(), bufferedImage.getHeight(),
            BufferedImage.TYPE_INT_RGB);
    jpgImage.createGraphics().drawImage(bufferedImage, 0, 0, Color.BLACK, null);
    return jpgImage;
}

From source file:com.silverpeas.thumbnail.control.ThumbnailController.java

protected static void cropFromPath(String pathOriginalFile, ThumbnailDetail thumbDetailComplete,
        int thumbnailHeight, int thumbnailWidth) throws IOException, ThumbnailException {
    File originalFile = new File(pathOriginalFile);
    BufferedImage bufferOriginal = ImageIO.read(originalFile);
    if (bufferOriginal == null) {
        SilverTrace.error("thumbnail",
                "ThumbnailController.cropFromPath(int thumbnailWidth, "
                        + "int thumbnailHeight,ThumbnailDetail thumbDetailComplete)",
                "thumbnail.EX_MSG_NOT_AN_IMAGE", "pathOriginalFile=" + pathOriginalFile);
        throw new ThumbnailException("ThumbnailBmImpl.cropFromPath()", SilverpeasException.ERROR,
                "thumbnail.EX_MSG_NOT_AN_IMAGE");
    } else {/*w ww.  ja  v a  2  s.c  o  m*/
        thumbDetailComplete.setXStart(0);
        thumbDetailComplete.setYStart(0);
        thumbDetailComplete.setXLength(bufferOriginal.getWidth());
        thumbDetailComplete.setYLength(bufferOriginal.getHeight());

        String pathCropFile = getImageDirectory(thumbDetailComplete.getInstanceId())
                + thumbDetailComplete.getCropFileName();
        createCropThumbnailFileOnServer(pathOriginalFile,
                getImageDirectory(thumbDetailComplete.getInstanceId()), pathCropFile, thumbDetailComplete,
                thumbnailWidth, thumbnailHeight);
        getThumbnailService().updateThumbnail(thumbDetailComplete);
    }
}

From source file:exemplos.PegandoPixelsSemJAI.java

public void pegaPixel() throws IOException {

    File f = new File("D:\\ProjetosNetBeans\\PDI\\src\\imagens\\ebola.png"); //seleciona o arquivo
    BufferedImage image = ImageIO.read(f); //le o arquivo
    System.out.println("Dimenses: " + image.getWidth() + "x" + image.getHeight() + "pixels"); //exibe suas dimenses

    Raster raster = image.getRaster(); //pega os valores dos pixels
    double pixel[] = new double[3]; //cria um array com 3 posies
    int brancos = 0; //cria uma varivel para contar os pixels brancos
    for (int h = 0; h < image.getHeight(); h++)
        for (int w = 0; w < image.getWidth(); w++) {
            raster.getPixel(w, h, pixel);
            if ((pixel[0] == 255) && (pixel[1] == 255) && (pixel[2] == 255))//confirma se o RGB  igual a 255, ou seja, branco
                brancos++;//from   ww w  .  jav  a 2 s .  c om

        }

}

From source file:net.pkhsolutions.pecsapp.control.PictureTransformer.java

/**
 * TODO Document me//from w w w  . j a  va2s . c om
 *
 * @param image
 * @param maxHeightInPx
 * @param maxWidthInPx
 * @return
 */
@NotNull
public BufferedImage scaleIfNecessary(@NotNull BufferedImage image, int maxHeightInPx, int maxWidthInPx) {
    int w = image.getWidth();
    int h = image.getHeight();

    int newW;
    int newH;

    if (w <= maxWidthInPx && h <= maxHeightInPx) {
        return image;
    } else if (w > h) {
        newW = maxWidthInPx;
        newH = newW * h / w;
    } else {
        newH = maxHeightInPx;
        newW = newH * w / h;
    }
    LOGGER.info("Original size was w{} x h{}, new size is w{} x h{}", w, h, newW, newH);
    Image tmp = image.getScaledInstance(newW, newH, Image.SCALE_SMOOTH);
    BufferedImage img = new BufferedImage(newW, newH, image.getType());
    Graphics2D g2d = img.createGraphics();
    g2d.drawImage(tmp, 0, 0, null);
    g2d.dispose();
    return img;
}

From source file:csns.util.ImageUtils.java

public File resize(File file, int targetSize, boolean always) {
    File newFile = null;//w w w  .  j a v  a2s . c  o  m

    try {
        BufferedImage image = ImageIO.read(fileIO.getDiskFile(file));

        if (!always && image.getWidth() < targetSize && image.getHeight() < targetSize)
            return file;

        BufferedImage newImage = Scalr.resize(image, targetSize);
        java.io.File tempFile = java.io.File.createTempFile("temp", null);
        ImageIO.write(newImage, "jpg", tempFile);

        newFile = new File();
        newFile.setName(file.getName() + "_" + targetSize + ".jpg");
        newFile.setType("image/jpeg");
        newFile.setSize(tempFile.length());
        newFile.setOwner(file.getOwner());
        newFile.setParent(file.getParent());
        newFile.setPublic(file.isPublic());
        newFile = fileDao.saveFile(newFile);

        tempFile.renameTo(fileIO.getDiskFile(newFile, false));
    } catch (IOException e) {
        logger.error("Fail to resize image " + file.getName(), e);
    }

    return newFile;
}