Example usage for java.awt.image FilteredImageSource FilteredImageSource

Introduction

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

Prototype

public FilteredImageSource(ImageProducer orig, ImageFilter imgf) 

Source Link

Document

Constructs an ImageProducer object from an existing ImageProducer and a filter object.

Usage

From source file:sim.model.entity.Category.java

/**
 * Prepare the entity image//from ww  w. jav  a  2 s.  com
 */
protected void prepareEntityImage(JComponent c, String path) {
    // Prepare the entity image
    super.prepareEntityImage(c, path);
    // Adjust the image
    ImageFilter filter = new WhiteFilter();
    FilteredImageSource filteredImage = new FilteredImageSource(display.getImage().getSource(), filter);
    Image image = Toolkit.getDefaultToolkit().createImage(filteredImage);
    MediaTracker tracker = new MediaTracker(c);
    try {
        tracker.addImage(image, 0);
        tracker.waitForAll();
    } catch (InterruptedException e) {
    }
    display.setImage(image);
    display.setImagePath(path);
}

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From source file:tv.dyndns.kishibe.qmaclone.server.IconUploadServletStub.java

private void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    logger.log(Level.INFO, request.toString());

    FileItemFactory factory = new DiskFileItemFactory();
    ServletFileUpload upload = new ServletFileUpload(factory);
    upload.setSizeMax(64L * 1024L);/*from  w w w  .ja  v  a2 s  .co m*/
    List<FileItem> items = null;

    try {
        List<FileItem> temp = upload.parseRequest(request);
        items = temp;
    } catch (FileUploadException e) {
        writeResponse(response, Constant.ICON_UPLOAD_RESPONSE_FAILED_TO_PARSE_REQUEST);
        return;
    }

    String userCode = null;
    BufferedImage inputImage = null;
    long originalFileSize = 0;

    for (FileItem item : items) {
        if (item.isFormField()) {
            String key = item.getFieldName();
            String value = item.getString();

            if (key.equals(Constant.FORM_NAME_USER_CODE)) {
                userCode = value;
            }

            continue;
        }

        // ??
        originalFileSize = item.getSize();
        try (InputStream inputStream = item.getInputStream()) {
            inputImage = ImageIO.read(inputStream);
        } catch (IOException e) {
            writeResponse(response, Constant.ICON_UPLOAD_RESPONSE_FAILED_TO_DETECT_IMAGE_FILE_TYPE);
            return;
        }

        if (inputImage == null) {
            writeResponse(response, Constant.ICON_UPLOAD_RESPONSE_FAILED_TO_DETECT_IMAGE_FILE_TYPE);
            return;
        }
    }

    if (userCode == null || inputImage == null) {
        writeResponse(response, Constant.ICON_UPLOAD_RESPONSE_REQUEST_FORMAT_ERROR);
        return;
    }

    String extension = "jpg";
    String fileTitle = Utility.createFileName();
    String fileName = fileTitle + "." + extension;

    // 
    // TODO(nodchip): ?
    int size = Constant.ICON_SIZE * 2;
    ImageFilter imageFilter = new AreaAveragingScaleFilter(size, size);
    Image middleImage = new Canvas().createImage(new FilteredImageSource(inputImage.getSource(), imageFilter));
    BufferedImage outputImage = new BufferedImage(size, size, BufferedImage.TYPE_INT_RGB);
    outputImage.createGraphics().drawImage(middleImage, 0, 0, size, size, null);

    // ???
    new File(Constant.ICON_FOLDER_PATH).mkdirs();
    File outputFile = new File(Constant.ICON_FOLDER_PATH, fileName);
    ImageIO.write(outputImage, "jpg", outputFile);

    logger.log(Level.INFO, String.format("%d bytes -> %d bytes (%s)", originalFileSize, outputFile.length(),
            outputFile.getPath()));

    // ???
    int userId = Integer.parseInt(userCode);
    PacketUserData userData;
    try {
        userData = database.getUserData(userId);
    } catch (DatabaseException e) {
        logger.log(Level.WARNING, "????????", e);
        throw new ServletException(e);
    }
    File oldFile = new File(Constant.ICON_FOLDER_PATH, userData.imageFileName);
    if (oldFile.isFile() && !oldFile.getName().equals(Constant.ICON_NO_IMAGE)) {
        oldFile.delete();
    }
    userData.imageFileName = fileName;
    try {
        database.setUserData(userData);
    } catch (DatabaseException e) {
        logger.log(Level.WARNING, "???????", e);
        throw new ServletException(e);
    }

    // ????
    writeResponse(response, Constant.ICON_UPLOAD_RESPONSE_OK);
}

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From source file:util.ui.PictureAreaIcon.java

public void paintIcon(final Component c, Graphics g, int x, int y) {
    if (mScaledIcon == null) {
        return;// w  w  w  . j av a  2s . co  m
    }

    y += 2;

    Color color = g.getColor();

    if (!colorsInEqualRange(c.getBackground(), c.getForeground()) && !mProgram.isExpired()) {
        g.setColor(c.getBackground());
        g.fillRect(x, y, getIconWidth(), getIconHeight() - 2);
    }

    g.setColor(color);
    g.drawRect(x, y, getIconWidth() - 1, getIconHeight() - 3);

    y += 3;
    x += 3;

    if (mIsGrayFilter && !mIsExpired && mProgram.isExpired()) {
        ImageFilter filter = new GrayFilter(true, 60);
        mScaledIcon
                .setImage(c.createImage(new FilteredImageSource(mScaledIcon.getImage().getSource(), filter)));
        mIsExpired = true;
    }

    if (c.getForeground().getAlpha() != 255) {
        ImageFilter filter = new RGBImageFilter() {
            public int filterRGB(int x, int y, int rgb) {
                if ((rgb & 0xff000000) != 0) {
                    return (rgb & 0xffffff) | (c.getForeground().getAlpha() << 24);
                }
                return rgb;
            }
        };

        mScaledIcon
                .setImage(c.createImage(new FilteredImageSource(mScaledIcon.getImage().getSource(), filter)));
    }

    mScaledIcon.paintIcon(c, g, x, y);

    /*
    if(!mProgram.isExpired()) {
      g.setColor(color);
    } else {
      g.setColor(color);
    }
    */
    mCopyrightText.paintIcon(null, g, x, y + mScaledIcon.getIconHeight());
    if (mDescriptionLines > 0 && mDescriptionText != null) {
        mDescriptionText.paintIcon(null, g, x,
                y + mScaledIcon.getIconHeight() + mCopyrightText.getIconHeight() + 1);
    }
    g.setColor(color);
}

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