1 /* 2 * Copyright (c) 2004, 2018, 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 java.awt.Composite; 29 import java.awt.geom.AffineTransform; 30 import sun.java2d.SurfaceData; 31 import sun.java2d.loops.GraphicsPrimitive; 32 import sun.java2d.pipe.Region; 33 34 /** 35 * TransformHelper 36 * 1) applies an AffineTransform to a rectangle of pixels while copying 37 * from one surface to another 38 * 2) performs compositing of colors based upon a Composite 39 * parameter 40 * 41 * precise behavior is undefined if the source surface 42 * and the destination surface are the same surface 43 * with overlapping regions of pixels 44 */ 45 public class TransformHelper extends GraphicsPrimitive 46 { 47 public static final String methodSignature = 48 "TransformHelper(...)".toString(); 49 50 public static final int primTypeID = makePrimTypeID(); 51 52 private static RenderCache helpercache = new RenderCache(10); 53 54 public static TransformHelper locate(SurfaceType srctype) { 55 return (TransformHelper) 56 GraphicsPrimitiveMgr.locate(primTypeID, 57 srctype, 58 CompositeType.SrcNoEa, 59 SurfaceType.IntArgbPre); 60 } 61 62 public static synchronized TransformHelper getFromCache(SurfaceType src) { 63 Object o = helpercache.get(src, null, null); 64 if (o != null) { 65 return (TransformHelper) o; 66 } 67 TransformHelper helper = locate(src); 68 if (helper == null) { 69 /* 70 System.out.println("helper loop not found for:"); 71 System.out.println("src: "+src); 72 */ 73 } else { 74 helpercache.put(src, null, null, helper); 75 } 76 return helper; 77 } 78 79 protected TransformHelper(SurfaceType srctype) { 80 super(methodSignature, primTypeID, srctype, 81 CompositeType.SrcNoEa, 82 SurfaceType.IntArgbPre); 83 } 84 85 public TransformHelper(long pNativePrim, SurfaceType srctype, 86 CompositeType comptype, 87 SurfaceType dsttype) 88 { 89 super(pNativePrim, methodSignature, primTypeID, 90 srctype, comptype, dsttype); 91 } 92 93 public native void Transform(MaskBlit output, 94 SurfaceData src, SurfaceData dst, 95 Composite comp, Region clip, 96 AffineTransform itx, int txtype, 97 int sx1, int sy1, int sx2, int sy2, 98 int dx1, int dy1, int dx2, int dy2, 99 int[] edges, int dxoff, int dyoff); 100 101 public GraphicsPrimitive makePrimitive(SurfaceType srctype, 102 CompositeType comptype, 103 SurfaceType dsttype) 104 { 105 return null; 106 } 107 108 public GraphicsPrimitive traceWrap() { 109 return new TraceTransformHelper(this); 110 } 111 112 private static class TraceTransformHelper extends TransformHelper { 113 TransformHelper target; 114 115 public TraceTransformHelper(TransformHelper target) { 116 super(target.getSourceType()); 117 this.target = target; 118 } 119 120 public GraphicsPrimitive traceWrap() { 121 return this; 122 } 123 124 public void Transform(MaskBlit output, 125 SurfaceData src, SurfaceData dst, 126 Composite comp, Region clip, 127 AffineTransform itx, int txtype, 128 int sx1, int sy1, int sx2, int sy2, 129 int dx1, int dy1, int dx2, int dy2, 130 int[] edges, int dxoff, int dyoff) 131 { 132 if ((traceflags & TRACEPTIME) == 0) { 133 tracePrimitive(target); 134 } 135 long time = System.nanoTime(); 136 target.Transform(output, src, dst, comp, clip, itx, txtype, 137 sx1, sy1, sx2, sy2, 138 dx1, dy1, dx2, dy2, 139 edges, dxoff, dyoff); 140 tracePrimitiveTime(target, System.nanoTime() - time); 141 } 142 } 143 }