J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003-2004 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package sun.java2d.loops; |
| 27 | |
| 28 | import java.awt.Composite; |
| 29 | import java.awt.geom.AffineTransform; |
| 30 | import java.lang.ref.WeakReference; |
| 31 | import sun.java2d.SurfaceData; |
| 32 | import sun.java2d.loops.GraphicsPrimitive; |
| 33 | import sun.java2d.pipe.Region; |
| 34 | |
| 35 | /** |
| 36 | * TransformBlit |
| 37 | * 1) applies an AffineTransform to a rectangle of pixels while copying |
| 38 | * from one surface to another |
| 39 | * 2) performs compositing of colors based upon a Composite |
| 40 | * parameter |
| 41 | * |
| 42 | * precise behavior is undefined if the source surface |
| 43 | * and the destination surface are the same surface |
| 44 | * with overlapping regions of pixels |
| 45 | */ |
| 46 | |
| 47 | public class TransformBlit extends GraphicsPrimitive |
| 48 | { |
| 49 | public static final String methodSignature = |
| 50 | "TransformBlit(...)".toString(); |
| 51 | |
| 52 | public static final int primTypeID = makePrimTypeID(); |
| 53 | |
| 54 | private static RenderCache blitcache = new RenderCache(10); |
| 55 | |
| 56 | public static TransformBlit locate(SurfaceType srctype, |
| 57 | CompositeType comptype, |
| 58 | SurfaceType dsttype) |
| 59 | { |
| 60 | return (TransformBlit) |
| 61 | GraphicsPrimitiveMgr.locate(primTypeID, |
| 62 | srctype, comptype, dsttype); |
| 63 | } |
| 64 | |
| 65 | public static TransformBlit getFromCache(SurfaceType src, |
| 66 | CompositeType comp, |
| 67 | SurfaceType dst) |
| 68 | { |
| 69 | Object o = blitcache.get(src, comp, dst); |
| 70 | if (o != null) { |
| 71 | return (TransformBlit) o; |
| 72 | } |
| 73 | TransformBlit blit = locate(src, comp, dst); |
| 74 | if (blit == null) { |
| 75 | /* |
| 76 | System.out.println("blit loop not found for:"); |
| 77 | System.out.println("src: "+src); |
| 78 | System.out.println("comp: "+comp); |
| 79 | System.out.println("dst: "+dst); |
| 80 | */ |
| 81 | } else { |
| 82 | blitcache.put(src, comp, dst, blit); |
| 83 | } |
| 84 | return blit; |
| 85 | } |
| 86 | |
| 87 | protected TransformBlit(SurfaceType srctype, |
| 88 | CompositeType comptype, |
| 89 | SurfaceType dsttype) |
| 90 | { |
| 91 | super(methodSignature, primTypeID, srctype, comptype, dsttype); |
| 92 | } |
| 93 | |
| 94 | public TransformBlit(long pNativePrim, |
| 95 | SurfaceType srctype, |
| 96 | CompositeType comptype, |
| 97 | SurfaceType dsttype) |
| 98 | { |
| 99 | super(pNativePrim, methodSignature, primTypeID, |
| 100 | srctype, comptype, dsttype); |
| 101 | } |
| 102 | |
| 103 | public native void Transform(SurfaceData src, SurfaceData dst, |
| 104 | Composite comp, Region clip, |
| 105 | AffineTransform at, int hint, |
| 106 | int srcx, int srcy, int dstx, int dsty, |
| 107 | int width, int height); |
| 108 | |
| 109 | // REMIND: do we have a general loop? |
| 110 | static { |
| 111 | GraphicsPrimitiveMgr.registerGeneral(new TransformBlit(null, null, |
| 112 | null)); |
| 113 | } |
| 114 | |
| 115 | public GraphicsPrimitive makePrimitive(SurfaceType srctype, |
| 116 | CompositeType comptype, |
| 117 | SurfaceType dsttype) |
| 118 | { |
| 119 | /* |
| 120 | System.out.println("Constructing general blit for:"); |
| 121 | System.out.println("src: "+srctype); |
| 122 | System.out.println("comp: "+comptype); |
| 123 | System.out.println("dst: "+dsttype); |
| 124 | */ |
| 125 | return null; |
| 126 | } |
| 127 | |
| 128 | public GraphicsPrimitive traceWrap() { |
| 129 | return new TraceTransformBlit(this); |
| 130 | } |
| 131 | |
| 132 | private static class TraceTransformBlit extends TransformBlit { |
| 133 | TransformBlit target; |
| 134 | |
| 135 | public TraceTransformBlit(TransformBlit target) { |
| 136 | super(target.getSourceType(), |
| 137 | target.getCompositeType(), |
| 138 | target.getDestType()); |
| 139 | this.target = target; |
| 140 | } |
| 141 | |
| 142 | public GraphicsPrimitive traceWrap() { |
| 143 | return this; |
| 144 | } |
| 145 | |
| 146 | public void Transform(SurfaceData src, SurfaceData dst, |
| 147 | Composite comp, Region clip, |
| 148 | AffineTransform at, int hint, |
| 149 | int srcx, int srcy, int dstx, int dsty, |
| 150 | int width, int height) |
| 151 | { |
| 152 | tracePrimitive(target); |
| 153 | target.Transform(src, dst, comp, clip, at, hint, |
| 154 | srcx, srcy, dstx, dsty, width, height); |
| 155 | } |
| 156 | } |
| 157 | } |