Java IIOReadUpdateListener.thumbnailPassStarted方法代码示例

import javax.imageio.event.IIOReadUpdateListener; //导入方法依赖的package包/类
/**
 * Broadcasts the beginning of a thumbnail progressive pass to all
 * registered <code>IIOReadUpdateListener</code>s by calling their
 * <code>thumbnailPassStarted</code> method.  Subclasses may use this
 * method as a convenience.
 *
 * @param theThumbnail the <code>BufferedImage</code> thumbnail
 * being updated.
 * @param pass the index of the current pass, starting with 0.
 * @param minPass the index of the first pass that will be decoded.
 * @param maxPass the index of the last pass that will be decoded.
 * @param minX the X coordinate of the upper-left pixel included
 * in the pass.
 * @param minY the X coordinate of the upper-left pixel included
 * in the pass.
 * @param periodX the horizontal separation between pixels.
 * @param periodY the vertical separation between pixels.
 * @param bands an array of <code>int</code>s indicating the
 * set of affected bands of the destination.
 */
protected void processThumbnailPassStarted(BufferedImage theThumbnail,
                                           int pass,
                                           int minPass, int maxPass,
                                           int minX, int minY,
                                           int periodX, int periodY,
                                           int[] bands) {
    if (updateListeners == null) {
        return;
    }
    int numListeners = updateListeners.size();
    for (int i = 0; i < numListeners; i++) {
        IIOReadUpdateListener listener =
            (IIOReadUpdateListener)updateListeners.get(i);
        listener.thumbnailPassStarted(this, theThumbnail, pass,
                                      minPass,
                                      maxPass,
                                      minX, minY,
                                      periodX, periodY,
                                      bands);
    }
}
 

import javax.imageio.event.IIOReadUpdateListener; //导入方法依赖的package包/类
/**
 * Broadcasts the beginning of a thumbnail progressive pass to all
 * registered {@code IIOReadUpdateListener}s by calling their
 * {@code thumbnailPassStarted} method.  Subclasses may use this
 * method as a convenience.
 *
 * @param theThumbnail the {@code BufferedImage} thumbnail
 * being updated.
 * @param pass the index of the current pass, starting with 0.
 * @param minPass the index of the first pass that will be decoded.
 * @param maxPass the index of the last pass that will be decoded.
 * @param minX the X coordinate of the upper-left pixel included
 * in the pass.
 * @param minY the X coordinate of the upper-left pixel included
 * in the pass.
 * @param periodX the horizontal separation between pixels.
 * @param periodY the vertical separation between pixels.
 * @param bands an array of {@code int}s indicating the
 * set of affected bands of the destination.
 */
protected void processThumbnailPassStarted(BufferedImage theThumbnail,
                                           int pass,
                                           int minPass, int maxPass,
                                           int minX, int minY,
                                           int periodX, int periodY,
                                           int[] bands) {
    if (updateListeners == null) {
        return;
    }
    int numListeners = updateListeners.size();
    for (int i = 0; i < numListeners; i++) {
        IIOReadUpdateListener listener =
            updateListeners.get(i);
        listener.thumbnailPassStarted(this, theThumbnail, pass,
                                      minPass,
                                      maxPass,
                                      minX, minY,
                                      periodX, periodY,
                                      bands);
    }
}
 

import javax.imageio.event.IIOReadUpdateListener; //导入方法依赖的package包/类
/**
 * Notifies all installed read update listeners, by calling their
 * thumbnailPassStarted methods, that a new pass has begun.
 *
 * @param thumbnail the thumbnail that is being updated
 * @param pass the current pass number
 * @param minPass the pass at which decoding will begin
 * @param maxPass the pass at which decoding will end
 * @param minX the X coordinate of the top-left pixel in this pass
 * @param minY the Y coordinate of the top-left pixel in this pass
 * @param width the total width of the rectangle covered by this
 * pass, including skipped pixels
 * @param height the total height of the rectangle covered by this
 * pass, including skipped pixels
 * @param periodX the horizontal sample interval
 * @param periodY the vertical sample interval
 * @param bands the affected bands in the destination
 */
protected void processThumbnailPassStarted(BufferedImage thumbnail, int pass,
                                           int minPass, int maxPass, int minX,
                                           int minY, int periodX, int periodY,
                                           int[] bands)
{
  if (updateListeners != null)
    {
      Iterator it = updateListeners.iterator();

      while (it.hasNext())
        {
          IIOReadUpdateListener listener = (IIOReadUpdateListener) it.next();
          listener.thumbnailPassStarted(this, thumbnail, pass, minPass,
                                        maxPass, minX, minY, periodX,
                                        periodY, bands);
        }
    }
}
 

import javax.imageio.event.IIOReadUpdateListener; //导入方法依赖的package包/类
/**
  * Notifies all installed read update listeners, by calling their
  * thumbnailPassStarted methods, that a new pass has begun.
  *
  * @param thumbnail the thumbnail that is being updated
  * @param pass the current pass number
  * @param minPass the pass at which decoding will begin
  * @param maxPass the pass at which decoding will end
  * @param minX the X coordinate of the top-left pixel in this pass
  * @param minY the Y coordinate of the top-left pixel in this pass
  * @param width the total width of the rectangle covered by this
  * pass, including skipped pixels
  * @param height the total height of the rectangle covered by this
  * pass, including skipped pixels
  * @param periodX the horizontal sample interval
  * @param periodY the vertical sample interval
  * @param bands the affected bands in the destination
  */
 protected void processThumbnailPassStarted(BufferedImage thumbnail, int pass,
				     int minPass, int maxPass, int minX,
				     int minY, int periodX, int periodY,
				     int[] bands)
 {
   if (updateListeners != null)
     {
Iterator it = updateListeners.iterator();

while (it.hasNext())
  {
    IIOReadUpdateListener listener = (IIOReadUpdateListener) it.next();
    listener.thumbnailPassStarted(this, thumbnail, pass, minPass,
				  maxPass, minX, minY, periodX,
				  periodY, bands);
  }
     }
 }
 

import javax.imageio.event.IIOReadUpdateListener; //导入方法依赖的package包/类
protected void processThumbnailPassStarted(
                final BufferedImage theThumbnail, final int pass,
                final int minPass, final int maxPass, final int minX,
                final int minY, final int periodX, final int periodY,
                final int[] bands) {
    if (updateListeners != null) {
        for (final IIOReadUpdateListener listener : updateListeners) {
            listener.thumbnailPassStarted(this, theThumbnail, pass,
                minPass, maxPass, minX, minY, periodX, periodY, bands);
        }
    }
}