0N/A/*
2362N/A * Copyright (c) 2001, 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.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 * ScaledBlit
0N/A * 1) copies rectangle of pixels from one surface to another
0N/A * while scaling the pixels to meet the sizes specified
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 ScaledBlit extends GraphicsPrimitive
0N/A{
0N/A public static final String methodSignature = "ScaledBlit(...)".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 ScaledBlit locate(SurfaceType srctype,
0N/A CompositeType comptype,
0N/A SurfaceType dsttype)
0N/A {
0N/A return (ScaledBlit)
0N/A GraphicsPrimitiveMgr.locate(primTypeID,
0N/A srctype, comptype, dsttype);
0N/A }
0N/A
0N/A public static ScaledBlit 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 (ScaledBlit) o;
0N/A }
0N/A ScaledBlit blit = locate(src, comp, dst);
0N/A if (blit == null) {
0N/A /*
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 */
0N/A } else {
0N/A blitcache.put(src, comp, dst, blit);
0N/A }
0N/A return blit;
0N/A }
0N/A
0N/A protected ScaledBlit(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 ScaledBlit(long pNativePrim,
0N/A 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 Scale(SurfaceData src, SurfaceData dst,
0N/A Composite comp, Region clip,
0N/A int sx1, int sy1,
0N/A int sx2, int sy2,
0N/A double dx1, double dy1,
0N/A double dx2, double dy2);
0N/A
0N/A static {
0N/A GraphicsPrimitiveMgr.registerGeneral(new ScaledBlit(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 return null;
0N/A }
0N/A
0N/A public GraphicsPrimitive traceWrap() {
0N/A return new TraceScaledBlit(this);
0N/A }
0N/A
0N/A private static class TraceScaledBlit extends ScaledBlit {
0N/A ScaledBlit target;
0N/A
0N/A public TraceScaledBlit(ScaledBlit 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 Scale(SurfaceData src, SurfaceData dst,
0N/A Composite comp, Region clip,
0N/A int sx1, int sy1,
0N/A int sx2, int sy2,
0N/A double dx1, double dy1,
0N/A double dx2, double dy2)
0N/A {
0N/A tracePrimitive(target);
0N/A target.Scale(src, dst, comp, clip,
0N/A sx1, sy1, sx2, sy2,
0N/A dx1, dy1, dx2, dy2);
0N/A }
0N/A }
0N/A}