0N/A/*
2362N/A * Copyright (c) 1999, 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
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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.lang.ref.WeakReference;
0N/Aimport sun.java2d.loops.GraphicsPrimitive;
0N/Aimport sun.java2d.SurfaceData;
0N/Aimport sun.java2d.pipe.Region;
0N/A
0N/A/**
0N/A * MaskBlit
0N/A * 1) copies rectangle of pixels from one surface to another
0N/A * 2) performs compositing of colors based upon a Composite
0N/A * parameter
0N/A * 3) blends result of composite with destination using an
0N/A * alpha coverage mask
0N/A * 4) the mask may be null in which case it should be treated
0N/A * as if it were an array of all opaque values (0xff)
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/A
0N/Apublic class MaskBlit extends GraphicsPrimitive
0N/A{
0N/A public static final String methodSignature = "MaskBlit(...)".toString();
0N/A
0N/A public static final int primTypeID = makePrimTypeID();
0N/A
0N/A private static RenderCache blitcache = new RenderCache(20);
0N/A
0N/A public static MaskBlit locate(SurfaceType srctype,
0N/A CompositeType comptype,
0N/A SurfaceType dsttype)
0N/A {
0N/A return (MaskBlit)
0N/A GraphicsPrimitiveMgr.locate(primTypeID,
0N/A srctype, comptype, dsttype);
0N/A }
0N/A
0N/A public static MaskBlit getFromCache(SurfaceType src,
0N/A CompositeType comp,
0N/A SurfaceType dst)
0N/A {
0N/A Object o = blitcache.get(src, comp, dst);
0N/A if (o != null) {
0N/A return (MaskBlit) o;
0N/A }
0N/A MaskBlit blit = locate(src, comp, dst);
0N/A if (blit == null) {
0N/A System.out.println("mask blit loop not found for:");
0N/A System.out.println("src: "+src);
0N/A System.out.println("comp: "+comp);
0N/A System.out.println("dst: "+dst);
0N/A } else {
0N/A blitcache.put(src, comp, dst, blit);
0N/A }
0N/A return blit;
0N/A }
0N/A
0N/A protected MaskBlit(SurfaceType srctype,
0N/A CompositeType comptype,
0N/A SurfaceType dsttype)
0N/A {
0N/A super(methodSignature, primTypeID, srctype, comptype, dsttype);
0N/A }
0N/A
0N/A public MaskBlit(long pNativePrim,
0N/A SurfaceType srctype,
0N/A CompositeType comptype,
0N/A SurfaceType dsttype)
0N/A {
0N/A super(pNativePrim, methodSignature, primTypeID, srctype, comptype, dsttype);
0N/A }
0N/A
0N/A /**
0N/A * All MaskBlit implementors must have this invoker method
0N/A */
0N/A public native void MaskBlit(SurfaceData src, SurfaceData dst,
0N/A Composite comp, Region clip,
0N/A int srcx, int srcy,
0N/A int dstx, int dsty,
0N/A int width, int height,
0N/A byte[] mask, int maskoff, int maskscan);
0N/A
0N/A static {
0N/A GraphicsPrimitiveMgr.registerGeneral(new MaskBlit(null, null, null));
0N/A }
0N/A
0N/A public GraphicsPrimitive makePrimitive(SurfaceType srctype,
0N/A CompositeType comptype,
0N/A SurfaceType dsttype)
0N/A {
0N/A /*
0N/A new Throwable().printStackTrace();
0N/A System.out.println("Constructing general maskblit for:");
0N/A System.out.println("src: "+srctype);
0N/A System.out.println("comp: "+comptype);
0N/A System.out.println("dst: "+dsttype);
0N/A */
0N/A
0N/A if (CompositeType.Xor.equals(comptype)) {
0N/A throw new InternalError("Cannot construct MaskBlit for " +
0N/A "XOR mode");
0N/A }
0N/A
0N/A General ob = new General(srctype, comptype, dsttype);
0N/A setupGeneralBinaryOp(ob);
0N/A return ob;
0N/A }
0N/A
0N/A private static class General
0N/A extends MaskBlit
0N/A implements GeneralBinaryOp
0N/A {
0N/A Blit convertsrc;
0N/A Blit convertdst;
0N/A MaskBlit performop;
0N/A Blit convertresult;
0N/A
0N/A WeakReference srcTmp;
0N/A WeakReference dstTmp;
0N/A
0N/A public General(SurfaceType srctype,
0N/A CompositeType comptype,
0N/A SurfaceType dsttype)
0N/A {
0N/A super(srctype, comptype, dsttype);
0N/A }
0N/A
0N/A public void setPrimitives(Blit srcconverter,
0N/A Blit dstconverter,
0N/A GraphicsPrimitive genericop,
0N/A Blit resconverter)
0N/A {
0N/A this.convertsrc = srcconverter;
0N/A this.convertdst = dstconverter;
0N/A this.performop = (MaskBlit) genericop;
0N/A this.convertresult = resconverter;
0N/A }
0N/A
0N/A public synchronized void MaskBlit(SurfaceData srcData,
0N/A SurfaceData dstData,
0N/A Composite comp,
0N/A Region clip,
0N/A int srcx, int srcy,
0N/A int dstx, int dsty,
0N/A int width, int height,
0N/A byte mask[], int offset, int scan)
0N/A {
0N/A SurfaceData src, dst;
0N/A Region opclip;
0N/A int sx, sy, dx, dy;
0N/A
0N/A if (convertsrc == null) {
0N/A src = srcData;
0N/A sx = srcx;
0N/A sy = srcy;
0N/A } else {
0N/A SurfaceData cachedSrc = null;
0N/A if (srcTmp != null) {
0N/A cachedSrc = (SurfaceData) srcTmp.get();
0N/A }
0N/A src = convertFrom(convertsrc, srcData, srcx, srcy,
0N/A width, height, cachedSrc);
0N/A sx = 0;
0N/A sy = 0;
0N/A if (src != cachedSrc) {
0N/A srcTmp = new WeakReference(src);
0N/A }
0N/A }
0N/A
0N/A if (convertdst == null) {
0N/A dst = dstData;
0N/A dx = dstx;
0N/A dy = dsty;
0N/A opclip = clip;
0N/A } else {
0N/A // assert: convertresult != null
0N/A SurfaceData cachedDst = null;
0N/A if (dstTmp != null) {
0N/A cachedDst = (SurfaceData) dstTmp.get();
0N/A }
0N/A dst = convertFrom(convertdst, dstData, dstx, dsty,
0N/A width, height, cachedDst);
0N/A dx = 0;
0N/A dy = 0;
0N/A opclip = null;
0N/A if (dst != cachedDst) {
0N/A dstTmp = new WeakReference(dst);
0N/A }
0N/A }
0N/A
0N/A performop.MaskBlit(src, dst, comp, opclip,
0N/A sx, sy, dx, dy, width, height,
0N/A mask, offset, scan);
0N/A
0N/A if (convertresult != null) {
0N/A // assert: convertdst != null
0N/A convertTo(convertresult, dst, dstData, clip,
0N/A dstx, dsty, width, height);
0N/A }
0N/A }
0N/A }
0N/A
0N/A public GraphicsPrimitive traceWrap() {
0N/A return new TraceMaskBlit(this);
0N/A }
0N/A
0N/A private static class TraceMaskBlit extends MaskBlit {
0N/A MaskBlit target;
0N/A
0N/A public TraceMaskBlit(MaskBlit target) {
0N/A // We need to have the same NativePrim as our
0N/A // target in case we are used with a TransformHelper
0N/A super(target.getNativePrim(),
0N/A target.getSourceType(),
0N/A target.getCompositeType(),
0N/A target.getDestType());
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 MaskBlit(SurfaceData src, SurfaceData dst,
0N/A Composite comp, Region clip,
0N/A int srcx, int srcy, int dstx, int dsty,
0N/A int width, int height,
0N/A byte[] mask, int maskoff, int maskscan)
0N/A {
0N/A tracePrimitive(target);
0N/A target.MaskBlit(src, dst, comp, clip,
0N/A srcx, srcy, dstx, dsty, width, height,
0N/A mask, maskoff, maskscan);
0N/A }
0N/A }
0N/A}