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/*
 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.javafx.image;

import java.nio.ByteBuffer;
import java.nio.IntBuffer;

public interface IntToBytePixelConverter
    extends PixelConverter
{
    /**
     * Copies a rectangular region of data from the source array to the
     * destination array using the following relationship:
     * 
     * for each xy : 0 <= x,y < w,h {
     *     int srcpos = y * srcscanints  + x * srcintsperpixel  + srcoff;
     *     int dstpos = y * dstscanbytes + x * dstbytesperpixel + dstoff;
     *     for each j : 0 <= j < srcintsperpixel {
     *         load data from srcarr[srcpos + j];
     *     }
     *     convert data to destination pixel format
     *     for each k : 0 <= k < dstbytesperpixel {
     *         store data into dstarr[dstpos + k] = pixel data;
     *     }
     * }
     * 
* * @param srcbuf the int array containing the source data * @param srcoff the index in the array of the first source pixel data * @param srcscanints number of array indices between rows of data in the source * @param dstbuf the byte array containing the destination data * @param dstoff the index in the array of the first destination pixel data * @param dstscanbytes number of array indices between rows of data in the destination * @param w the number of pixels to process across before moving to the next row * @param h the number of rows of pixels to process */ public void convert(int srcarr[], int srcoff, int srcscanints, byte dstarr[], int dstoff, int dstscanbytes, int w, int h); /** * Copies a rectangular region of data from the source buffer to the * destination array using the following relationship: *
     * for each xy : 0 <= x,y < w,h {
     *     int srcpos = y * srcscanints  + x * srcintsperpixel  + srcoff;
     *     int dstpos = y * dstscanbytes + x * dstbytesperpixel + dstoff;
     *     for each j : 0 <= j < srcintsperpixel {
     *         load data from srcbuf.get(srcpos + j);
     *     }
     *     convert data to destination pixel format
     *     for each k : 0 <= k < dstbytesperpixel {
     *         store data into dstarr[dstpos + k] = pixel data;
     *     }
     * }
     * 
* * @param srcbuf the nio buffer containing the source data * @param srcoff the absolute location in the buffer of the first source pixel data * @param srcscanints number of buffer elements between rows of data in the source * @param dstbuf the byte array containing the destination data * @param dstoff the index in the array of the first destination pixel data * @param dstscanbytes number of array indices between rows of data in the destination * @param w the number of pixels to process across before moving to the next row * @param h the number of rows of pixels to process */ public void convert(IntBuffer srcbuf, int srcoff, int srcscanints, byte dstarr[], int dstoff, int dstscanbytes, int w, int h); /** * Copies a rectangular region of data from the source array to the * destination buffer using the following relationship: *
     * for each xy : 0 <= x,y < w,h {
     *     int srcpos = y * srcscanints  + x * srcintsperpixel  + srcoff;
     *     int dstpos = y * dstscanbytes + x * dstbytesperpixel + dstoff;
     *     for each j : 0 <= j < srcintsperpixel {
     *         load data from srcarr[srcpos + j];
     *     }
     *     convert data to destination pixel format
     *     for each k : 0 <= k < dstbytesperpixel {
     *         store data into dstbuf.put(dstpos + k, pixel data);
     *     }
     * }
     * 
* * @param srcbuf the int array containing the source data * @param srcoff the index in the array of the first source pixel data * @param srcscanints number of array indices between rows of data in the source * @param dstbuf the nio buffer containing the destination data * @param dstoff the absolute location in the buffer of the first destination pixel data * @param dstscanbytes number of buffer elements between rows of data in the destination * @param w the number of pixels to process across before moving to the next row * @param h the number of rows of pixels to process */ public void convert(int srcarr[], int srcoff, int srcscanints, ByteBuffer dstbuf, int dstoff, int dstscanbytes, int w, int h); }




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