Examples of java.awt.image.BufferedImage

java.awt.image.BufferedImage
The BufferedImage subclass describes an {@link java.awt.Image Image} with an accessible buffer of image data.A BufferedImage is comprised of a {@link ColorModel} and a{@link Raster} of image data.The number and types of bands in the {@link SampleModel} of theRaster must match the number and types required by the ColorModel to represent its color and alpha components. All BufferedImage objects have an upper left corner coordinate of (0, 0). Any Raster used to construct a BufferedImage must therefore have minX=0 and minY=0.
This class relies on the data fetching and setting methods of Raster, and on the color characterization methods of ColorModel. @see ColorModel @see Raster @see WritableRaster @version 10 Feb 1997

   * @param ic
   * @return ImageIcon
   * @since 2.1
   */
  public static ImageIcon createChannelIcon(Icon ic) {
    BufferedImage img = new BufferedImage(getChannelIconWidth(), getChannelIconHeight(), BufferedImage.TYPE_INT_RGB);


    if (ic == null) {
      ic = new ImageIcon("./imgs/tvbrowser16.png");
    }


    int height = 20;
    int width = 40;


    if ((ic.getIconWidth() != 0) && (ic.getIconHeight() != 0)) {
      double iWidth = ic.getIconWidth();
      double iHeight = ic.getIconHeight();
      if (iWidth / iHeight < 2.0) {
        width = (int) (iWidth * (20.0 / iHeight));
      } else {
        height = (int) (iHeight * (40.0 / iWidth));
      }
    }
    ic = scaleIcon(ic, width, height);


    Graphics2D g = img.createGraphics();


    g.setColor(Color.WHITE);
    g.fillRect(1, 1, 40, 20);


    int x = 1 + 20 - ic.getIconWidth() / 2;

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    /**
     * Create a small Icon with the current Color
     * @return Icon with Color
     */
    private Icon createIcon() {
        BufferedImage img = new BufferedImage(50, 10, BufferedImage.TYPE_INT_RGB);
        
        Graphics2D g = GraphicsEnvironment.getLocalGraphicsEnvironment().createGraphics(img);
        
        g.setColor(Color.WHITE);
        g.fillRect(0,0,50,10);

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                outname = fileName + ".jpg";
            }
            RenderedOp img = JAI.create("fileload", fileName);
            ColorModel cm = img.getColorModel();
            WritableRaster imgRaster = img.copyData();
            BufferedImage bi = new BufferedImage(cm, imgRaster, false, new Hashtable());
            ImageIO.write((RenderedImage) bi, "jpg", new File(outname));
            System.out.println("...done, " + outname);
        } catch (Exception e) {
            e.printStackTrace();
        }

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   */
  public static Image getInstance(java.awt.Image image, java.awt.Color color,
      boolean forceBW) throws BadElementException, IOException {
    
    if(image instanceof BufferedImage){
      BufferedImage bi = (BufferedImage) image;
      if(bi.getType()==BufferedImage.TYPE_BYTE_BINARY) {
        forceBW=true;
      }
    }
    
    java.awt.image.PixelGrabber pg = new java.awt.image.PixelGrabber(image,

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     * @param cssWidth  Target width for the element.
     * @param cssHeight Target height for the element
     * @return A ReplacedElement to substitute for one that can't be generated.
     */
    protected ReplacedElement newIrreplaceableImageElement(int cssWidth, int cssHeight) {
        BufferedImage missingImage = null;
        ReplacedElement mre;
        try {
            // TODO: we can come up with something better; not sure if we should use Alt text, how text should size, etc.
            missingImage = ImageUtil.createCompatibleBufferedImage(cssWidth, cssHeight, BufferedImage.TYPE_INT_RGB);
            Graphics2D g = missingImage.createGraphics();
            g.setColor(Color.BLACK);
            g.setBackground(Color.WHITE);
            g.setFont(new Font("Serif", Font.PLAIN, 12));
            g.drawString("Missing", 0, 12);
            g.dispose();

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        //TODO: check that cached image is still valid
        if (ir == null) {
            InputStream is = resolveAndOpenStream(uri);
            if (is != null) {
                try {
                    BufferedImage img = ImageIO.read(is);
                    if (img == null) {
                        throw new IOException("ImageIO.read() returned null");
                    }
                    ir = createImageResource(uri, img);
                    _imageCache.put(uri, ir);

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        fis.close(); fis = null;
        GifImage newGif = GifTransformer.resize(gifImage, p_width,p_height, false);
        newimage = new FileOutputStream(obj_filename);
        GifEncoder.encode(newGif, newimage);
      } else {
        BufferedImage orig_portrait = (BufferedImage) ImageIO.read(fis);
        fis.close(); fis = null;
        // ͳһת��JPG��ʽ
        BufferedImage bi = new BufferedImage(p_width, p_height,BufferedImage.TYPE_INT_RGB);
        bi.getGraphics().drawImage(orig_portrait, 0, 0, p_width,p_height, null);
        if(!obj_filename.endsWith(".jpg"))
          obj_filename += ".jpg";
        newimage = new FileOutputStream(obj_filename);
        ImageIO.write(bi, "jpg", newimage);
      }

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      radian = 270.0;
      break;
    default:
      return false;
    }
    BufferedImage old_img = (BufferedImage)ImageIO.read(new File(img_fn));  
    int width = old_img.getWidth();
    int height = old_img.getHeight();
    
    BufferedImage new_img = new BufferedImage(height,width,BufferedImage.TYPE_INT_RGB);        
        Graphics2D g2d =new_img.createGraphics();
        
        AffineTransform origXform = g2d.getTransform();
        AffineTransform newXform = (AffineTransform)(origXform.clone());
        // center of rotation is center of the panel
        double xRot = 0;

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    return s_fn.endsWith("bmp");
  }
  
  public static String BMP_TO_JPG(String imgPath) throws IOException{
    File fOrigionalImage = new File(imgPath);
    BufferedImage oldImage = (BufferedImage)ImageIO.read(fOrigionalImage);
    String jpgName = imgPath+".jpg";
    FileOutputStream newimage = new FileOutputStream(jpgName);
    try{
      if(ImageIO.write(oldImage, "jpg", newimage))
        return jpgName;

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      setDocument(loadDocument(sourceDocument), sourceDocumentBase, new XhtmlNamespaceHandler());


      layout(this.width);


      height = this.height == -1 ? root.getHeight() : this.height;
      BufferedImage outputImage = createBufferedImage(this.width, height);
      outputDevice = new Java2DOutputDevice(outputImage);
      Graphics2D newG = (Graphics2D) outputImage.getGraphics();
      if ( renderingHints != null ) {
        newG.getRenderingHints().putAll(renderingHints);
      }


      RenderingContext rc = sharedContext.newRenderingContextInstance();

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