| /* |
| * Copyright (c) 1999, 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.CompositeContext; |
| import java.awt.RenderingHints; |
| import java.awt.image.ColorModel; |
| import java.awt.image.Raster; |
| import java.awt.image.WritableRaster; |
| import java.lang.ref.WeakReference; |
| import sun.java2d.loops.GraphicsPrimitive; |
| import sun.java2d.SurfaceData; |
| import sun.java2d.pipe.Region; |
| import sun.java2d.pipe.SpanIterator; |
| |
| /** |
| * Blit |
| * 1) copies rectangle of pixels 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 Blit extends GraphicsPrimitive |
| { |
| public static final String methodSignature = "Blit(...)".toString(); |
| |
| public static final int primTypeID = makePrimTypeID(); |
| |
| private static RenderCache blitcache = new RenderCache(20); |
| |
| public static Blit locate(SurfaceType srctype, |
| CompositeType comptype, |
| SurfaceType dsttype) |
| { |
| return (Blit) |
| GraphicsPrimitiveMgr.locate(primTypeID, |
| srctype, comptype, dsttype); |
| } |
| |
| public static Blit getFromCache(SurfaceType src, |
| CompositeType comp, |
| SurfaceType dst) |
| { |
| Object o = blitcache.get(src, comp, dst); |
| if (o != null) { |
| return (Blit) o; |
| } |
| |
| Blit blit = locate(src, comp, dst); |
| if (blit == null) { |
| System.out.println("blit loop not found for:"); |
| System.out.println("src: "+src); |
| System.out.println("comp: "+comp); |
| System.out.println("dst: "+dst); |
| } else { |
| blitcache.put(src, comp, dst, blit); |
| } |
| return blit; |
| } |
| |
| protected Blit(SurfaceType srctype, |
| CompositeType comptype, |
| SurfaceType dsttype) |
| { |
| super(methodSignature, primTypeID, srctype, comptype, dsttype); |
| } |
| |
| public Blit(long pNativePrim, |
| SurfaceType srctype, |
| CompositeType comptype, |
| SurfaceType dsttype) |
| { |
| super(pNativePrim, methodSignature, primTypeID, srctype, comptype, dsttype); |
| } |
| |
| /** |
| * All Blit implementors must have this invoker method |
| */ |
| public native void Blit(SurfaceData src, SurfaceData dst, |
| Composite comp, Region clip, |
| int srcx, int srcy, |
| int dstx, int dsty, |
| int width, int height); |
| |
| static { |
| GraphicsPrimitiveMgr.registerGeneral(new Blit(null, null, null)); |
| } |
| |
| public GraphicsPrimitive makePrimitive(SurfaceType srctype, |
| CompositeType comptype, |
| SurfaceType dsttype) |
| { |
| /* |
| System.out.println("Constructing general blit for:"); |
| System.out.println("src: "+srctype); |
| System.out.println("comp: "+comptype); |
| System.out.println("dst: "+dsttype); |
| */ |
| |
| if (comptype.isDerivedFrom(CompositeType.Xor)) { |
| GeneralXorBlit gxb = new GeneralXorBlit(srctype, |
| comptype, |
| dsttype); |
| setupGeneralBinaryOp(gxb); |
| return gxb; |
| } else if (comptype.isDerivedFrom(CompositeType.AnyAlpha)) { |
| return new GeneralMaskBlit(srctype, comptype, dsttype); |
| } else { |
| return AnyBlit.instance; |
| } |
| } |
| |
| private static class AnyBlit extends Blit { |
| public static AnyBlit instance = new AnyBlit(); |
| |
| public AnyBlit() { |
| super(SurfaceType.Any, CompositeType.Any, SurfaceType.Any); |
| } |
| |
| public void Blit(SurfaceData srcData, |
| SurfaceData dstData, |
| Composite comp, |
| Region clip, |
| int srcx, int srcy, |
| int dstx, int dsty, |
| int width, int height) |
| { |
| ColorModel srcCM = srcData.getColorModel(); |
| ColorModel dstCM = dstData.getColorModel(); |
| // REMIND: Should get RenderingHints from sg2d |
| CompositeContext ctx = comp.createContext(srcCM, dstCM, |
| new RenderingHints(null)); |
| Raster srcRas = srcData.getRaster(srcx, srcy, width, height); |
| WritableRaster dstRas = |
| (WritableRaster) dstData.getRaster(dstx, dsty, width, height); |
| |
| if (clip == null) { |
| clip = Region.getInstanceXYWH(dstx, dsty, width, height); |
| } |
| int span[] = {dstx, dsty, dstx+width, dsty+height}; |
| SpanIterator si = clip.getSpanIterator(span); |
| srcx -= dstx; |
| srcy -= dsty; |
| while (si.nextSpan(span)) { |
| int w = span[2] - span[0]; |
| int h = span[3] - span[1]; |
| Raster tmpSrcRas = srcRas.createChild(srcx + span[0], srcy + span[1], |
| w, h, 0, 0, null); |
| WritableRaster tmpDstRas = dstRas.createWritableChild(span[0], span[1], |
| w, h, 0, 0, null); |
| ctx.compose(tmpSrcRas, tmpDstRas, tmpDstRas); |
| } |
| ctx.dispose(); |
| } |
| } |
| |
| private static class GeneralMaskBlit extends Blit { |
| MaskBlit performop; |
| |
| public GeneralMaskBlit(SurfaceType srctype, |
| CompositeType comptype, |
| SurfaceType dsttype) |
| { |
| super(srctype, comptype, dsttype); |
| performop = MaskBlit.locate(srctype, comptype, dsttype); |
| } |
| |
| public void Blit(SurfaceData srcData, |
| SurfaceData dstData, |
| Composite comp, |
| Region clip, |
| int srcx, int srcy, |
| int dstx, int dsty, |
| int width, int height) |
| { |
| performop.MaskBlit(srcData, dstData, comp, clip, |
| srcx, srcy, dstx, dsty, |
| width, height, |
| null, 0, 0); |
| } |
| } |
| |
| private static class GeneralXorBlit |
| extends Blit |
| implements GeneralBinaryOp |
| { |
| Blit convertsrc; |
| Blit convertdst; |
| Blit performop; |
| Blit convertresult; |
| |
| WeakReference srcTmp; |
| WeakReference dstTmp; |
| |
| public GeneralXorBlit(SurfaceType srctype, |
| CompositeType comptype, |
| SurfaceType dsttype) |
| { |
| super(srctype, comptype, dsttype); |
| } |
| |
| public void setPrimitives(Blit srcconverter, |
| Blit dstconverter, |
| GraphicsPrimitive genericop, |
| Blit resconverter) |
| { |
| this.convertsrc = srcconverter; |
| this.convertdst = dstconverter; |
| this.performop = (Blit) genericop; |
| this.convertresult = resconverter; |
| } |
| |
| public synchronized void Blit(SurfaceData srcData, |
| SurfaceData dstData, |
| Composite comp, |
| Region clip, |
| int srcx, int srcy, |
| int dstx, int dsty, |
| int width, int height) |
| { |
| SurfaceData src, dst; |
| Region opclip; |
| int sx, sy, dx, dy; |
| |
| if (convertsrc == null) { |
| src = srcData; |
| sx = srcx; |
| sy = srcy; |
| } else { |
| SurfaceData cachedSrc = null; |
| if (srcTmp != null) { |
| cachedSrc = (SurfaceData) srcTmp.get(); |
| } |
| src = convertFrom(convertsrc, srcData, srcx, srcy, |
| width, height, cachedSrc); |
| sx = 0; |
| sy = 0; |
| if (src != cachedSrc) { |
| srcTmp = new WeakReference(src); |
| } |
| } |
| |
| if (convertdst == null) { |
| dst = dstData; |
| dx = dstx; |
| dy = dsty; |
| opclip = clip; |
| } else { |
| // assert: convertresult != null |
| SurfaceData cachedDst = null; |
| if (dstTmp != null) { |
| cachedDst = (SurfaceData) dstTmp.get(); |
| } |
| dst = convertFrom(convertdst, dstData, dstx, dsty, |
| width, height, cachedDst); |
| dx = 0; |
| dy = 0; |
| opclip = null; |
| if (dst != cachedDst) { |
| dstTmp = new WeakReference(dst); |
| } |
| } |
| |
| performop.Blit(src, dst, comp, opclip, |
| sx, sy, dx, dy, |
| width, height); |
| |
| if (convertresult != null) { |
| // assert: convertdst != null |
| convertTo(convertresult, dst, dstData, clip, |
| dstx, dsty, width, height); |
| } |
| } |
| } |
| |
| public GraphicsPrimitive traceWrap() { |
| return new TraceBlit(this); |
| } |
| |
| private static class TraceBlit extends Blit { |
| Blit target; |
| |
| public TraceBlit(Blit target) { |
| super(target.getSourceType(), |
| target.getCompositeType(), |
| target.getDestType()); |
| this.target = target; |
| } |
| |
| public GraphicsPrimitive traceWrap() { |
| return this; |
| } |
| |
| public void Blit(SurfaceData src, SurfaceData dst, |
| Composite comp, Region clip, |
| int srcx, int srcy, int dstx, int dsty, |
| int width, int height) |
| { |
| tracePrimitive(target); |
| target.Blit(src, dst, comp, clip, |
| srcx, srcy, dstx, dsty, width, height); |
| } |
| } |
| } |