| /* |
| * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.java2d.loops; |
| |
| import java.awt.Composite; |
| import java.awt.geom.AffineTransform; |
| import java.lang.ref.WeakReference; |
| import sun.java2d.SurfaceData; |
| import sun.java2d.loops.GraphicsPrimitive; |
| import sun.java2d.pipe.Region; |
| |
| /** |
| * TransformHelper |
| * 1) applies an AffineTransform to a rectangle of pixels while copying |
| * from one surface to another |
| * 2) performs compositing of colors based upon a Composite |
| * parameter |
| * |
| * precise behavior is undefined if the source surface |
| * and the destination surface are the same surface |
| * with overlapping regions of pixels |
| */ |
| public class TransformHelper extends GraphicsPrimitive |
| { |
| public static final String methodSignature = |
| "TransformHelper(...)".toString(); |
| |
| public static final int primTypeID = makePrimTypeID(); |
| |
| private static RenderCache helpercache = new RenderCache(10); |
| |
| public static TransformHelper locate(SurfaceType srctype) { |
| return (TransformHelper) |
| GraphicsPrimitiveMgr.locate(primTypeID, |
| srctype, |
| CompositeType.SrcNoEa, |
| SurfaceType.IntArgbPre); |
| } |
| |
| public static synchronized TransformHelper getFromCache(SurfaceType src) { |
| Object o = helpercache.get(src, null, null); |
| if (o != null) { |
| return (TransformHelper) o; |
| } |
| TransformHelper helper = locate(src); |
| if (helper == null) { |
| /* |
| System.out.println("helper loop not found for:"); |
| System.out.println("src: "+src); |
| */ |
| } else { |
| helpercache.put(src, null, null, helper); |
| } |
| return helper; |
| } |
| |
| protected TransformHelper(SurfaceType srctype) { |
| super(methodSignature, primTypeID, srctype, |
| CompositeType.SrcNoEa, |
| SurfaceType.IntArgbPre); |
| } |
| |
| public TransformHelper(long pNativePrim, SurfaceType srctype, |
| CompositeType comptype, |
| SurfaceType dsttype) |
| { |
| super(pNativePrim, methodSignature, primTypeID, |
| srctype, comptype, dsttype); |
| } |
| |
| public native void Transform(MaskBlit output, |
| SurfaceData src, SurfaceData dst, |
| Composite comp, Region clip, |
| AffineTransform itx, int txtype, |
| int sx1, int sy1, int sx2, int sy2, |
| int dx1, int dy1, int dx2, int dy2, |
| int edges[], int dxoff, int dyoff); |
| |
| public GraphicsPrimitive makePrimitive(SurfaceType srctype, |
| CompositeType comptype, |
| SurfaceType dsttype) |
| { |
| return null; |
| } |
| |
| public GraphicsPrimitive traceWrap() { |
| return new TraceTransformHelper(this); |
| } |
| |
| private static class TraceTransformHelper extends TransformHelper { |
| TransformHelper target; |
| |
| public TraceTransformHelper(TransformHelper target) { |
| super(target.getSourceType()); |
| this.target = target; |
| } |
| |
| public GraphicsPrimitive traceWrap() { |
| return this; |
| } |
| |
| public void Transform(MaskBlit output, |
| SurfaceData src, SurfaceData dst, |
| Composite comp, Region clip, |
| AffineTransform itx, int txtype, |
| int sx1, int sy1, int sx2, int sy2, |
| int dx1, int dy1, int dx2, int dy2, |
| int edges[], int dxoff, int dyoff) |
| { |
| tracePrimitive(target); |
| target.Transform(output, src, dst, comp, clip, itx, txtype, |
| sx1, sy1, sx2, sy2, |
| dx1, dy1, dx2, dy2, |
| edges, dxoff, dyoff); |
| } |
| } |
| } |