Method loadImageIO

core/src/processing/core/PApplet.java:5715–5747

Use Java 1.4 ImageIO methods to load an image.

(String filename)

   * Use Java 1.4 ImageIO methods to load an image.
   */
  protected PImage loadImageIO(String filename) {
    InputStream stream = createInput(filename);
    if (stream == null) {
      System.err.println("The image " + filename + " could not be found.");
      return null;
    }

    try {
      BufferedImage bi = ImageIO.read(stream);
      PImage outgoing = new PImage(bi.getWidth(), bi.getHeight());
      outgoing.parent = this;

      bi.getRGB(0, 0, outgoing.width, outgoing.height,
                outgoing.pixels, 0, outgoing.width);

      // check the alpha for this image
      // was gonna call getType() on the image to see if RGB or ARGB,
      // but it's not actually useful, since gif images will come through
      // as TYPE_BYTE_INDEXED, which means it'll still have to check for
      // the transparency. also, would have to iterate through all the other
      // types and guess whether alpha was in there, so.. just gonna stick
      // with the old method.
      outgoing.checkAlpha();

      stream.close();
      // return the image
      return outgoing;

    } catch (Exception e) {
      printStackTrace(e);
      return null;
    }
  }


  /**