1 /*

     2  * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package com.sun.imageio.plugins.common;

    27 

    28 import java.awt.image.ColorModel;

    29 import java.awt.image.Raster;

    30 

    31 /**

    32  * A simple class that provides RenderedImage functionality

    33  * given a Raster and a ColorModel.

    34  */

    35 public class SingleTileRenderedImage extends SimpleRenderedImage {

    36 

    37     Raster ras;

    38 

    39     /**

    40      * Constructs a SingleTileRenderedImage based on a Raster

    41      * and a ColorModel.

    42      *

    43      * @param ras A Raster that will define tile (0, 0) of the image.

    44      * @param cm A ColorModel that will serve as the image's

    45      *           ColorModel.

    46      */

    47     public SingleTileRenderedImage(Raster ras, ColorModel colorModel) {

    48         this.ras = ras;

    49 

    50         this.tileGridXOffset = this.minX = ras.getMinX();

    51         this.tileGridYOffset = this.minY = ras.getMinY();

    52         this.tileWidth = this.width = ras.getWidth();

    53         this.tileHeight = this.height = ras.getHeight();

    54         this.sampleModel = ras.getSampleModel();

    55         this.colorModel = colorModel;

    56     }

    57 

    58     /**

    59      * Returns the image's Raster as tile (0, 0).

    60      */

    61     public Raster getTile(int tileX, int tileY) {

    62         if (tileX != 0 || tileY != 0) {

    63             throw new IllegalArgumentException("tileX != 0 || tileY != 0");

    64         }

    65         return ras;

    66     }

    67 }