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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 | +} | |