0N/A/*
2362N/A * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage sun.java2d.loops;
0N/A
0N/Aimport java.awt.Composite;
0N/Aimport java.awt.geom.AffineTransform;
0N/Aimport java.lang.ref.WeakReference;
0N/Aimport sun.java2d.SurfaceData;
0N/Aimport sun.java2d.loops.GraphicsPrimitive;
0N/Aimport sun.java2d.pipe.Region;
0N/A
0N/A/**
0N/A * TransformHelper
0N/A * 1) applies an AffineTransform to a rectangle of pixels while copying
0N/A * from one surface to another
0N/A * 2) performs compositing of colors based upon a Composite
0N/A * parameter
0N/A *
0N/A * precise behavior is undefined if the source surface
0N/A * and the destination surface are the same surface
0N/A * with overlapping regions of pixels
0N/A */
0N/Apublic class TransformHelper extends GraphicsPrimitive
0N/A{
0N/A public static final String methodSignature =
0N/A "TransformHelper(...)".toString();
0N/A
0N/A public static final int primTypeID = makePrimTypeID();
0N/A
0N/A private static RenderCache helpercache = new RenderCache(10);
0N/A
0N/A public static TransformHelper locate(SurfaceType srctype) {
0N/A return (TransformHelper)
0N/A GraphicsPrimitiveMgr.locate(primTypeID,
0N/A srctype,
0N/A CompositeType.SrcNoEa,
0N/A SurfaceType.IntArgbPre);
0N/A }
0N/A
0N/A public static synchronized TransformHelper getFromCache(SurfaceType src) {
0N/A Object o = helpercache.get(src, null, null);
0N/A if (o != null) {
0N/A return (TransformHelper) o;
0N/A }
0N/A TransformHelper helper = locate(src);
0N/A if (helper == null) {
0N/A /*
0N/A System.out.println("helper loop not found for:");
0N/A System.out.println("src: "+src);
0N/A */
0N/A } else {
0N/A helpercache.put(src, null, null, helper);
0N/A }
0N/A return helper;
0N/A }
0N/A
0N/A protected TransformHelper(SurfaceType srctype) {
0N/A super(methodSignature, primTypeID, srctype,
0N/A CompositeType.SrcNoEa,
0N/A SurfaceType.IntArgbPre);
0N/A }
0N/A
0N/A public TransformHelper(long pNativePrim, SurfaceType srctype,
0N/A CompositeType comptype,
0N/A SurfaceType dsttype)
0N/A {
0N/A super(pNativePrim, methodSignature, primTypeID,
0N/A srctype, comptype, dsttype);
0N/A }
0N/A
0N/A public native void Transform(MaskBlit output,
0N/A SurfaceData src, SurfaceData dst,
0N/A Composite comp, Region clip,
0N/A AffineTransform itx, int txtype,
0N/A int sx1, int sy1, int sx2, int sy2,
0N/A int dx1, int dy1, int dx2, int dy2,
0N/A int edges[], int dxoff, int dyoff);
0N/A
0N/A public GraphicsPrimitive makePrimitive(SurfaceType srctype,
0N/A CompositeType comptype,
0N/A SurfaceType dsttype)
0N/A {
0N/A return null;
0N/A }
0N/A
0N/A public GraphicsPrimitive traceWrap() {
0N/A return new TraceTransformHelper(this);
0N/A }
0N/A
0N/A private static class TraceTransformHelper extends TransformHelper {
0N/A TransformHelper target;
0N/A
0N/A public TraceTransformHelper(TransformHelper target) {
0N/A super(target.getSourceType());
0N/A this.target = target;
0N/A }
0N/A
0N/A public GraphicsPrimitive traceWrap() {
0N/A return this;
0N/A }
0N/A
0N/A public void Transform(MaskBlit output,
0N/A SurfaceData src, SurfaceData dst,
0N/A Composite comp, Region clip,
0N/A AffineTransform itx, int txtype,
0N/A int sx1, int sy1, int sx2, int sy2,
0N/A int dx1, int dy1, int dx2, int dy2,
0N/A int edges[], int dxoff, int dyoff)
0N/A {
0N/A tracePrimitive(target);
0N/A target.Transform(output, src, dst, comp, clip, itx, txtype,
0N/A sx1, sy1, sx2, sy2,
0N/A dx1, dy1, dx2, dy2,
0N/A edges, dxoff, dyoff);
0N/A }
0N/A }
0N/A}