1 /*
   2  * Copyright (c) 2010, 2013, 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 package com.sun.glass.ui.gtk;
  26 
  27 import com.sun.glass.ui.Pixels;
  28 import java.nio.Buffer;
  29 import java.nio.ByteBuffer;
  30 import java.nio.IntBuffer;
  31 
  32 final class GtkPixels extends Pixels {
  33 
  34     public GtkPixels(int width, int height, ByteBuffer data) {
  35         super(width, height, data);
  36     }
  37 
  38     public GtkPixels(int width, int height, IntBuffer data) {
  39         super(width, height, data);
  40     }
  41 
  42     public GtkPixels(int width, int height, IntBuffer data, float scalex, float scaley) {
  43         super(width, height, data, scalex, scaley);
  44     }
  45 
  46     @Override
  47     protected void _fillDirectByteBuffer(ByteBuffer bb) {
  48         // Taken from MacPixels
  49         if (this.bytes != null) {
  50             this.bytes.rewind();
  51             if (this.bytes.isDirect()) {
  52                 _copyPixels(bb, this.bytes, getWidth()*getHeight());
  53             } else {
  54                 bb.put(this.bytes);
  55             }
  56             this.bytes.rewind();
  57         } else {
  58             this.ints.rewind();
  59             if (this.ints.isDirect()) {
  60                 _copyPixels(bb, this.ints, getWidth()*getHeight());
  61             } else {
  62                 for (int i=0; i<this.ints.capacity(); i++) {
  63                     int data = this.ints.get();
  64                     bb.put((byte)((data)&0xff));
  65                     bb.put((byte)((data>>8)&0xff));
  66                     bb.put((byte)((data>>16)&0xff));
  67                     bb.put((byte)((data>>24)&0xff));
  68                 }
  69             }
  70             this.ints.rewind();
  71         }
  72     }
  73 
  74     protected native void _copyPixels(Buffer dst, Buffer src, int size);
  75 
  76     @Override
  77     protected native void _attachInt(long ptr, int w, int h, IntBuffer ints, int[] array, int offset);
  78 
  79     @Override
  80     protected native void _attachByte(long ptr, int w, int h, ByteBuffer bytes, byte[] array, int offset);
  81 
  82 }