import edu.wpi.first.wpilibj.image.HSLImage; //导入依赖的package包/类
/**
 * Get an image from the camera. Be sure to free the image when you are done with it.
 * @return A new image from the camera.
 */
public ColorImage getImage() throws AxisCameraException, NIVisionException {
    ColorImage image = new HSLImage();
    if (getImageFn.call1(image.image) == 0) {
        image.free();
        throw new AxisCameraException("No image available");
    }
    return image;
}
 

import edu.wpi.first.wpilibj.image.HSLImage; //导入依赖的package包/类
/** 
 * ColorImage- getImage/getTarget/refresh/update
 * should filter image and get details
 * http://www.spectrum3847.org/frc2012api/edu/wpi/first/wpilibj/image/ColorImage.html
 */
public ColorImage getImage() throws AxisCameraException, NIVisionException {
  ColorImage image=new HSLImage();
  if (true) {//getImageFn.call1(image.image) == 0) {
    image.free();
    throw new AxisCameraException("No image available");
  }
  return image;
}
 

import edu.wpi.first.wpilibj.image.HSLImage; //导入依赖的package包/类
public ColorImage getImage() throws WsCameraException, NIVisionException {
    ColorImage image = new HSLImage();
    if (getImageFn.call1(image.image) == 0) {
        image.free();
        throw new WsCameraException("No image available");
    }
    return image;
}
 

import edu.wpi.first.wpilibj.image.HSLImage; //导入依赖的package包/类
/**
 * Returns the AxisCamera (final), in case direct access is necessary
 * For the most part, this should not be used, and if a new camera
 * method is needed, it should just be added to this class
 *
 * @method getCameraInstance()
 * @return ColorImage - Camera.getImage() or a 0x0 hsl image
 * @author Nathan Lydick
 * @throws NIVisionException
 *             - throws exception when fails
 * @written Oct 16, 2014
 *          -------------------------------------------------------
 */
public ColorImage getImage () throws NIVisionException
{
    if (this.haveCamera)
        return this.camera.getImage();
    // returns a 0x0 image
    return new HSLImage();
}
 

import edu.wpi.first.wpilibj.image.HSLImage; //导入依赖的package包/类
/**
 * Instantiate a new image object and fill it with the latest image from the
 * camera.
 *
 * @return a pointer to an HSLImage object
 */
public HSLImage getImage() throws NIVisionException {
  HSLImage image = new HSLImage();
  this.getImage(image);
  return image;
}