1 /*
   2  * Copyright (c) 2005, 2016, 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 sun.java2d.loops;
  27 
  28 import sun.java2d.loops.GraphicsPrimitive;
  29 import sun.java2d.SunGraphics2D;
  30 import sun.java2d.SurfaceData;
  31 import sun.font.GlyphList;
  32 
  33 /**
  34  *   DrawGlyphListLCD- loops for LCDTextRenderer pipe
  35  *   1) draw LCD anti-aliased text onto destination surface
  36  *   2) must accept output area [x, y, dx, dy]
  37  *      from within the surface description data for clip rect
  38  */
  39 public class DrawGlyphListLCD extends GraphicsPrimitive {
  40 
  41     public static final String
  42         methodSignature = "DrawGlyphListLCD(...)".toString();
  43 
  44     public static final int primTypeID = makePrimTypeID();
  45 
  46     public static DrawGlyphListLCD locate(SurfaceType srctype,
  47                                            CompositeType comptype,
  48                                            SurfaceType dsttype)
  49     {
  50         return (DrawGlyphListLCD)
  51             GraphicsPrimitiveMgr.locate(primTypeID,
  52                                         srctype, comptype, dsttype);
  53     }
  54 
  55     protected DrawGlyphListLCD(SurfaceType srctype,
  56                                 CompositeType comptype,
  57                                 SurfaceType dsttype)
  58     {
  59         super(methodSignature, primTypeID, srctype, comptype, dsttype);
  60     }
  61 
  62     public DrawGlyphListLCD(long pNativePrim,
  63                              SurfaceType srctype,
  64                              CompositeType comptype,
  65                              SurfaceType dsttype)
  66     {
  67         super(pNativePrim, methodSignature, primTypeID,
  68               srctype, comptype, dsttype);
  69     }
  70 
  71     public native void DrawGlyphListLCD(SunGraphics2D sg2d, SurfaceData dest,
  72                                          GlyphList srcData);
  73 
  74     static {
  75         GraphicsPrimitiveMgr.registerGeneral(
  76                                    new DrawGlyphListLCD(null, null, null));
  77     }
  78 
  79     public GraphicsPrimitive makePrimitive(SurfaceType srctype,
  80                                            CompositeType comptype,
  81                                            SurfaceType dsttype) {
  82         /* Do not return a General loop. SunGraphics2D determines whether
  83          * to use LCD or standard AA text based on whether there is an
  84          * installed loop.
  85          * This can be uncommented once there is a General loop which can
  86          * handle one byte per colour component masks properly.
  87          */
  88         return null;
  89     }
  90 
  91     public GraphicsPrimitive traceWrap() {
  92         return new TraceDrawGlyphListLCD(this);
  93     }
  94 
  95     private static class TraceDrawGlyphListLCD extends DrawGlyphListLCD {
  96         DrawGlyphListLCD target;
  97 
  98         public TraceDrawGlyphListLCD(DrawGlyphListLCD target) {
  99             super(target.getSourceType(),
 100                   target.getCompositeType(),
 101                   target.getDestType());
 102             this.target = target;
 103         }
 104 
 105         public GraphicsPrimitive traceWrap() {
 106             return this;
 107         }
 108 
 109         public void DrawGlyphListLCD(SunGraphics2D sg2d, SurfaceData dest,
 110                                       GlyphList glyphs)
 111         {
 112             if ((traceflags & TRACEPTIME) == 0) {
 113                 tracePrimitive(target);
 114             }
 115             long time = System.nanoTime();
 116             target.DrawGlyphListLCD(sg2d, dest, glyphs);
 117             tracePrimitiveTime(target, System.nanoTime() - time);
 118         }
 119     }
 120 }