1 /*
   2  * Copyright (c) 2012, 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 
  26 package com.sun.glass.ui.lens;
  27 
  28 import com.sun.glass.ui.Pixels;
  29 import java.nio.Buffer;
  30 import java.nio.ByteBuffer;
  31 import java.nio.IntBuffer;
  32 
  33 final class LensPixels extends Pixels {
  34 
  35     protected LensPixels(int width, int height, ByteBuffer data) {
  36         super(width, height, data);
  37     }
  38 
  39     protected LensPixels(int width, int height, IntBuffer data) {
  40         super(width, height, data);
  41     }
  42 
  43     protected LensPixels(int width, int height, IntBuffer data, float scalex, float scaley) {
  44         super(width, height, data, scalex, scaley);
  45     }
  46 
  47     static int getNativeFormat_impl() {
  48         LensLogger.getLogger().config("Querying native format");
  49         // All our implementations use ARGB_PRE and convert to the native pixel
  50         // format when we push pixels to the screen.
  51         return Pixels.Format.BYTE_BGRA_PRE;
  52     }
  53 
  54     private native void _copyPixels(Buffer dst, Buffer src, int size);
  55 
  56     @Override protected void _fillDirectByteBuffer(ByteBuffer bb) {
  57         if (this.bytes != null) {
  58             this.bytes.rewind();
  59             if (this.bytes.isDirect()) {
  60                 _copyPixels(bb, this.bytes, getWidth() * getHeight());
  61             } else {
  62                 bb.put(this.bytes);
  63             }
  64             this.bytes.rewind();
  65         } else {
  66             this.ints.rewind();
  67             if (this.ints.isDirect()) {
  68                 _copyPixels(bb, this.ints, getWidth() * getHeight());
  69             } else {
  70                 for (int i = 0; i < this.ints.capacity(); i++) {
  71                     int data = this.ints.get();
  72                     bb.put((byte)((data) & 0xff));
  73                     bb.put((byte)((data >> 8) & 0xff));
  74                     bb.put((byte)((data >> 16) & 0xff));
  75                     bb.put((byte)((data >> 24) & 0xff));
  76                 }
  77             }
  78             this.ints.rewind();
  79         }
  80         bb.rewind();
  81     }
  82 
  83     @Override protected void _attachInt(long nativeWindowPointer, int w, int h,
  84                                         IntBuffer ints, int[] array, int offset) {
  85         LensLogger.getLogger().severe("Not implemented");
  86         throw new UnsupportedOperationException("not implmented");
  87     }
  88 
  89     @Override protected void _attachByte(long ptr, int w, int h, ByteBuffer bytes,
  90                                          byte[] array, int offset) {
  91         LensLogger.getLogger().severe("Not implemented");
  92         throw new UnsupportedOperationException("not implmented");
  93     }
  94 }