Exemplo n.º 1
0
 /**
  * Constructs a new instance of this class given a device, an <code>RGB</code> describing the
  * desired red, green and blue values, alpha specifying the level of transparency. On limited
  * color devices, the color instance created by this call may not have the same RGB values as the
  * ones specified by the argument. The RGB values on the returned instance will be the color
  * values of the operating system color.
  *
  * <p>You must dispose the color when it is no longer required.
  *
  * @param device the device on which to allocate the color
  * @param rgb the RGB values of the desired color
  * @param alpha the alpha value of the desired color. Currently, SWT only honors extreme values
  *     for alpha i.e. 0 (transparent) or 255 (opaque).
  * @exception IllegalArgumentException
  *     <ul>
  *       <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device
  *       <li>ERROR_NULL_ARGUMENT - if the rgb argument is null
  *       <li>ERROR_INVALID_ARGUMENT - if the red, green, blue or alpha components of the argument
  *           are not between 0 and 255
  *     </ul>
  *
  * @see #dispose
  * @since 3.104
  */
 public Color(Device device, RGB rgb, int alpha) {
   super(device);
   if (rgb == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
   init(rgb.red, rgb.green, rgb.blue, alpha);
   init();
 }
Exemplo n.º 2
0
 /**
  * Constructs a new instance of this class given a device and the desired red, green and blue
  * values expressed as ints in the range 0 to 255 (where 0 is black and 255 is full brightness).
  * On limited color devices, the color instance created by this call may not have the same RGB
  * values as the ones specified by the arguments. The RGB values on the returned instance will be
  * the color values of the operating system color.
  *
  * <p>You must dispose the color when it is no longer required.
  *
  * @param device the device on which to allocate the color
  * @param red the amount of red in the color
  * @param green the amount of green in the color
  * @param blue the amount of blue in the color
  * @exception IllegalArgumentException
  *     <ul>
  *       <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device
  *       <li>ERROR_INVALID_ARGUMENT - if the red, green or blue argument is not between 0 and 255
  *     </ul>
  *
  * @see #dispose
  */
 public Color(Device device, int red, int green, int blue) {
   super(device);
   init(red, green, blue, 255);
   init();
 }
Exemplo n.º 3
0
 /**
  * Constructs a new instance of this class given a device and the desired red, green, blue & alpha
  * values expressed as ints in the range 0 to 255 (where 0 is black and 255 is full brightness).
  * On limited color devices, the color instance created by this call may not have the same RGB
  * values as the ones specified by the arguments. The RGB values on the returned instance will be
  * the color values of the operating system color.
  *
  * <p>You must dispose the color when it is no longer required.
  *
  * @param device the device on which to allocate the color
  * @param red the amount of red in the color
  * @param green the amount of green in the color
  * @param blue the amount of blue in the color
  * @param alpha the amount of alpha in the color. Currently, SWT only honors extreme values for
  *     alpha i.e. 0 (transparent) or 255 (opaque).
  * @exception IllegalArgumentException
  *     <ul>
  *       <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device
  *       <li>ERROR_INVALID_ARGUMENT - if the red, green, blue or alpha argument is not between 0
  *           and 255
  *     </ul>
  *
  * @see #dispose
  * @since 3.104
  */
 public Color(Device device, int red, int green, int blue, int alpha) {
   super(device);
   init(red, green, blue, alpha);
   init();
 }