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| 1 | /* | ||
| 2 | * Copyright (c) 2004, 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 java.lang.ref.WeakReference; | ||
| 31 | import sun.java2d.SurfaceData; | ||
| 32 | import sun.java2d.loops.GraphicsPrimitive; | ||
| 33 | import sun.java2d.pipe.Region; | ||
| 34 | |||
| 35 | /** | ||
| 36 | * TransformHelper | ||
| 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 | public class TransformHelper extends GraphicsPrimitive | ||
| 47 | { | ||
| 48 | public static final String methodSignature = | ||
| 49 | "TransformHelper(...)".toString(); | ||
| 50 | |||
| 51 | public static final int primTypeID = makePrimTypeID(); | ||
| 52 | |||
| 53 | private static RenderCache helpercache = new RenderCache(10); | ||
| 54 | |||
| 55 | public static TransformHelper locate(SurfaceType srctype) { | ||
| 56 | return (TransformHelper) | ||
| 57 | GraphicsPrimitiveMgr.locate(primTypeID, | ||
| 58 | srctype, | ||
| 59 | CompositeType.SrcNoEa, | ||
| 60 | SurfaceType.IntArgbPre); | ||
| 61 | } | ||
| 62 | |||
| 63 | public static synchronized TransformHelper getFromCache(SurfaceType src) { | ||
| 64 | Object o = helpercache.get(src, null, null); | ||
| 65 | if (o != null) { | ||
| 66 | return (TransformHelper) o; | ||
| 67 | } | ||
| 68 | TransformHelper helper = locate(src); | ||
| 69 | if (helper == null) { | ||
| 70 | /* | ||
| 71 | System.out.println("helper loop not found for:"); | ||
| 72 | System.out.println("src: "+src); | ||
| 73 | */ | ||
| 74 | } else { | ||
| 75 | helpercache.put(src, null, null, helper); | ||
| 76 | } | ||
| 77 | return helper; | ||
| 78 | } | ||
| 79 | |||
| 80 | protected TransformHelper(SurfaceType srctype) { | ||
| 81 | super(methodSignature, primTypeID, srctype, | ||
| 82 | CompositeType.SrcNoEa, | ||
| 83 | SurfaceType.IntArgbPre); | ||
| 84 | } | ||
| 85 | |||
| 86 | public TransformHelper(long pNativePrim, SurfaceType srctype, | ||
| 87 | CompositeType comptype, | ||
| 88 | SurfaceType dsttype) | ||
| 89 | { | ||
| 90 | super(pNativePrim, methodSignature, primTypeID, | ||
| 91 | srctype, comptype, dsttype); | ||
| 92 | } | ||
| 93 | |||
| 94 | public native void Transform(MaskBlit output, | ||
| 95 | SurfaceData src, SurfaceData dst, | ||
| 96 | Composite comp, Region clip, | ||
| 97 | AffineTransform itx, int txtype, | ||
| 98 | int sx1, int sy1, int sx2, int sy2, | ||
| 99 | int dx1, int dy1, int dx2, int dy2, | ||
| 100 | int edges[], int dxoff, int dyoff); | ||
| 101 | |||
| 102 | public GraphicsPrimitive makePrimitive(SurfaceType srctype, | ||
| 103 | CompositeType comptype, | ||
| 104 | SurfaceType dsttype) | ||
| 105 | { | ||
| 106 | return null; | ||
| 107 | } | ||
| 108 | |||
| 109 | public GraphicsPrimitive traceWrap() { | ||
| 110 | return new TraceTransformHelper(this); | ||
| 111 | } | ||
| 112 | |||
| 113 | private static class TraceTransformHelper extends TransformHelper { | ||
| 114 | TransformHelper target; | ||
| 115 | |||
| 116 | public TraceTransformHelper(TransformHelper target) { | ||
| 117 | super(target.getSourceType()); | ||
| 118 | this.target = target; | ||
| 119 | } | ||
| 120 | |||
| 121 | public GraphicsPrimitive traceWrap() { | ||
| 122 | return this; | ||
| 123 | } | ||
| 124 | |||
| 125 | public void Transform(MaskBlit output, | ||
| 126 | SurfaceData src, SurfaceData dst, | ||
| 127 | Composite comp, Region clip, | ||
| 128 | AffineTransform itx, int txtype, | ||
| 129 | int sx1, int sy1, int sx2, int sy2, | ||
| 130 | int dx1, int dy1, int dx2, int dy2, | ||
| 131 | int edges[], int dxoff, int dyoff) | ||
| 132 | { | ||
| 133 | tracePrimitive(target); | ||
| 134 | target.Transform(output, src, dst, comp, clip, itx, txtype, | ||
| 135 | sx1, sy1, sx2, sy2, | ||
| 136 | dx1, dy1, dx2, dy2, | ||
| 137 | edges, dxoff, dyoff); | ||
| 138 | } | ||
| 139 | } | ||
| 140 | } | ||