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| 1 | /* | ||
| 2 | * Copyright (c) 2001, 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.lang.ref.WeakReference; | ||
| 30 | import sun.java2d.loops.GraphicsPrimitive; | ||
| 31 | import sun.java2d.SurfaceData; | ||
| 32 | import sun.java2d.pipe.Region; | ||
| 33 | |||
| 34 | /** | ||
| 35 | * ScaledBlit | ||
| 36 | * 1) copies rectangle of pixels from one surface to another | ||
| 37 | * while scaling the pixels to meet the sizes specified | ||
| 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 | |||
| 46 | public class ScaledBlit extends GraphicsPrimitive | ||
| 47 | { | ||
| 48 | public static final String methodSignature = "ScaledBlit(...)".toString(); | ||
| 49 | |||
| 50 | public static final int primTypeID = makePrimTypeID(); | ||
| 51 | |||
| 52 | private static RenderCache blitcache = new RenderCache(20); | ||
| 53 | |||
| 54 | public static ScaledBlit locate(SurfaceType srctype, | ||
| 55 | CompositeType comptype, | ||
| 56 | SurfaceType dsttype) | ||
| 57 | { | ||
| 58 | return (ScaledBlit) | ||
| 59 | GraphicsPrimitiveMgr.locate(primTypeID, | ||
| 60 | srctype, comptype, dsttype); | ||
| 61 | } | ||
| 62 | |||
| 63 | public static ScaledBlit getFromCache(SurfaceType src, | ||
| 64 | CompositeType comp, | ||
| 65 | SurfaceType dst) | ||
| 66 | { | ||
| 67 | Object o = blitcache.get(src, comp, dst); | ||
| 68 | if (o != null) { | ||
| 69 | return (ScaledBlit) o; | ||
| 70 | } | ||
| 71 | ScaledBlit blit = locate(src, comp, dst); | ||
| 72 | if (blit == null) { | ||
| 73 | /* | ||
| 74 | System.out.println("blit loop not found for:"); | ||
| 75 | System.out.println("src: "+src); | ||
| 76 | System.out.println("comp: "+comp); | ||
| 77 | System.out.println("dst: "+dst); | ||
| 78 | */ | ||
| 79 | } else { | ||
| 80 | blitcache.put(src, comp, dst, blit); | ||
| 81 | } | ||
| 82 | return blit; | ||
| 83 | } | ||
| 84 | |||
| 85 | protected ScaledBlit(SurfaceType srctype, | ||
| 86 | CompositeType comptype, | ||
| 87 | SurfaceType dsttype) | ||
| 88 | { | ||
| 89 | super(methodSignature, primTypeID, srctype, comptype, dsttype); | ||
| 90 | } | ||
| 91 | |||
| 92 | public ScaledBlit(long pNativePrim, | ||
| 93 | SurfaceType srctype, | ||
| 94 | CompositeType comptype, | ||
| 95 | SurfaceType dsttype) | ||
| 96 | { | ||
| 97 | super(pNativePrim, methodSignature, primTypeID, | ||
| 98 | srctype, comptype, dsttype); | ||
| 99 | } | ||
| 100 | |||
| 101 | public native void Scale(SurfaceData src, SurfaceData dst, | ||
| 102 | Composite comp, Region clip, | ||
| 103 | int sx1, int sy1, | ||
| 104 | int sx2, int sy2, | ||
| 105 | double dx1, double dy1, | ||
| 106 | double dx2, double dy2); | ||
| 107 | |||
| 108 | static { | ||
| 109 | GraphicsPrimitiveMgr.registerGeneral(new ScaledBlit(null, null, null)); | ||
| 110 | } | ||
| 111 | |||
| 112 | public GraphicsPrimitive makePrimitive(SurfaceType srctype, | ||
| 113 | CompositeType comptype, | ||
| 114 | SurfaceType dsttype) | ||
| 115 | { | ||
| 116 | /* | ||
| 117 | System.out.println("Constructing general blit for:"); | ||
| 118 | System.out.println("src: "+srctype); | ||
| 119 | System.out.println("comp: "+comptype); | ||
| 120 | System.out.println("dst: "+dsttype); | ||
| 121 | */ | ||
| 122 | return null; | ||
| 123 | } | ||
| 124 | |||
| 125 | public GraphicsPrimitive traceWrap() { | ||
| 126 | return new TraceScaledBlit(this); | ||
| 127 | } | ||
| 128 | |||
| 129 | private static class TraceScaledBlit extends ScaledBlit { | ||
| 130 | ScaledBlit target; | ||
| 131 | |||
| 132 | public TraceScaledBlit(ScaledBlit target) { | ||
| 133 | super(target.getSourceType(), | ||
| 134 | target.getCompositeType(), | ||
| 135 | target.getDestType()); | ||
| 136 | this.target = target; | ||
| 137 | } | ||
| 138 | |||
| 139 | public GraphicsPrimitive traceWrap() { | ||
| 140 | return this; | ||
| 141 | } | ||
| 142 | |||
| 143 | public void Scale(SurfaceData src, SurfaceData dst, | ||
| 144 | Composite comp, Region clip, | ||
| 145 | int sx1, int sy1, | ||
| 146 | int sx2, int sy2, | ||
| 147 | double dx1, double dy1, | ||
| 148 | double dx2, double dy2) | ||
| 149 | { | ||
| 150 | tracePrimitive(target); | ||
| 151 | target.Scale(src, dst, comp, clip, | ||
| 152 | sx1, sy1, sx2, sy2, | ||
| 153 | dx1, dy1, dx2, dy2); | ||
| 154 | } | ||
| 155 | } | ||
| 156 | } | ||