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
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.CompositeContext;
0N/Aimport java.awt.RenderingHints;
0N/Aimport java.awt.image.ColorModel;
0N/Aimport java.awt.image.Raster;
0N/Aimport java.awt.image.WritableRaster;
0N/Aimport java.lang.ref.WeakReference;
0N/Aimport sun.java2d.loops.GraphicsPrimitive;
0N/Aimport sun.java2d.SurfaceData;
0N/Aimport sun.java2d.pipe.Region;
0N/Aimport sun.java2d.pipe.SpanIterator;
0N/A
0N/A/**
0N/A * Blit
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 *
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 Blit extends GraphicsPrimitive
0N/A{
0N/A public static final String methodSignature = "Blit(...)".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 Blit locate(SurfaceType srctype,
0N/A CompositeType comptype,
0N/A SurfaceType dsttype)
0N/A {
0N/A return (Blit)
0N/A GraphicsPrimitiveMgr.locate(primTypeID,
0N/A srctype, comptype, dsttype);
0N/A }
0N/A
0N/A public static Blit 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 (Blit) o;
0N/A }
0N/A
0N/A Blit blit = locate(src, comp, dst);
0N/A if (blit == null) {
0N/A System.out.println("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 Blit(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 Blit(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 Blit implementors must have this invoker method
0N/A */
0N/A public native void Blit(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
0N/A static {
0N/A GraphicsPrimitiveMgr.registerGeneral(new Blit(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 System.out.println("Constructing general blit 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 (comptype.isDerivedFrom(CompositeType.Xor)) {
0N/A GeneralXorBlit gxb = new GeneralXorBlit(srctype,
0N/A comptype,
0N/A dsttype);
0N/A setupGeneralBinaryOp(gxb);
0N/A return gxb;
0N/A } else if (comptype.isDerivedFrom(CompositeType.AnyAlpha)) {
0N/A return new GeneralMaskBlit(srctype, comptype, dsttype);
0N/A } else {
0N/A return AnyBlit.instance;
0N/A }
0N/A }
0N/A
0N/A private static class AnyBlit extends Blit {
0N/A public static AnyBlit instance = new AnyBlit();
0N/A
0N/A public AnyBlit() {
0N/A super(SurfaceType.Any, CompositeType.Any, SurfaceType.Any);
0N/A }
0N/A
0N/A public void Blit(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 {
0N/A ColorModel srcCM = srcData.getColorModel();
0N/A ColorModel dstCM = dstData.getColorModel();
0N/A // REMIND: Should get RenderingHints from sg2d
0N/A CompositeContext ctx = comp.createContext(srcCM, dstCM,
0N/A new RenderingHints(null));
0N/A Raster srcRas = srcData.getRaster(srcx, srcy, width, height);
0N/A WritableRaster dstRas =
0N/A (WritableRaster) dstData.getRaster(dstx, dsty, width, height);
0N/A
0N/A if (clip == null) {
0N/A clip = Region.getInstanceXYWH(dstx, dsty, width, height);
0N/A }
0N/A int span[] = {dstx, dsty, dstx+width, dsty+height};
0N/A SpanIterator si = clip.getSpanIterator(span);
0N/A srcx -= dstx;
0N/A srcy -= dsty;
0N/A while (si.nextSpan(span)) {
0N/A int w = span[2] - span[0];
0N/A int h = span[3] - span[1];
4850N/A Raster tmpSrcRas = srcRas.createChild(srcx + span[0], srcy + span[1],
4850N/A w, h, 0, 0, null);
4850N/A WritableRaster tmpDstRas = dstRas.createWritableChild(span[0], span[1],
4850N/A w, h, 0, 0, null);
4850N/A ctx.compose(tmpSrcRas, tmpDstRas, tmpDstRas);
0N/A }
0N/A ctx.dispose();
0N/A }
0N/A }
0N/A
0N/A private static class GeneralMaskBlit extends Blit {
0N/A MaskBlit performop;
0N/A
0N/A public GeneralMaskBlit(SurfaceType srctype,
0N/A CompositeType comptype,
0N/A SurfaceType dsttype)
0N/A {
0N/A super(srctype, comptype, dsttype);
0N/A performop = MaskBlit.locate(srctype, comptype, dsttype);
0N/A }
0N/A
0N/A public void Blit(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 {
0N/A performop.MaskBlit(srcData, dstData, comp, clip,
0N/A srcx, srcy, dstx, dsty,
0N/A width, height,
0N/A null, 0, 0);
0N/A }
0N/A }
0N/A
0N/A private static class GeneralXorBlit
0N/A extends Blit
0N/A implements GeneralBinaryOp
0N/A {
0N/A Blit convertsrc;
0N/A Blit convertdst;
0N/A Blit performop;
0N/A Blit convertresult;
0N/A
0N/A WeakReference srcTmp;
0N/A WeakReference dstTmp;
0N/A
0N/A public GeneralXorBlit(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 = (Blit) genericop;
0N/A this.convertresult = resconverter;
0N/A }
0N/A
0N/A public synchronized void Blit(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 {
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.Blit(src, dst, comp, opclip,
0N/A sx, sy, dx, dy,
0N/A width, height);
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 TraceBlit(this);
0N/A }
0N/A
0N/A private static class TraceBlit extends Blit {
0N/A Blit target;
0N/A
0N/A public TraceBlit(Blit target) {
0N/A super(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 Blit(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 {
0N/A tracePrimitive(target);
0N/A target.Blit(src, dst, comp, clip,
0N/A srcx, srcy, dstx, dsty, width, height);
0N/A }
0N/A }
0N/A}