author | pkbalakr |
Thu, 19 May 2016 16:34:36 +0530 | |
changeset 38984 | bbded3eab454 |
parent 25859 | 3317bb8137f4 |
permissions | -rw-r--r-- |
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/* |
38984
bbded3eab454
6587251: Import declaration not used in sun.java2d.*
pkbalakr
parents:
25859
diff
changeset
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* Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.java2d.loops; |
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import java.awt.Composite; |
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import sun.java2d.loops.GraphicsPrimitive; |
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import sun.java2d.SurfaceData; |
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import sun.java2d.pipe.Region; |
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/** |
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* ScaledBlit |
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* 1) copies rectangle of pixels from one surface to another |
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* while scaling the pixels to meet the sizes specified |
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* 2) performs compositing of colors based upon a Composite |
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* parameter |
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* |
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* precise behavior is undefined if the source surface |
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* and the destination surface are the same surface |
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* with overlapping regions of pixels |
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*/ |
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public class ScaledBlit extends GraphicsPrimitive |
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{ |
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public static final String methodSignature = "ScaledBlit(...)".toString(); |
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public static final int primTypeID = makePrimTypeID(); |
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private static RenderCache blitcache = new RenderCache(20); |
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public static ScaledBlit locate(SurfaceType srctype, |
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CompositeType comptype, |
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SurfaceType dsttype) |
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{ |
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return (ScaledBlit) |
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GraphicsPrimitiveMgr.locate(primTypeID, |
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srctype, comptype, dsttype); |
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} |
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public static ScaledBlit getFromCache(SurfaceType src, |
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CompositeType comp, |
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SurfaceType dst) |
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{ |
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Object o = blitcache.get(src, comp, dst); |
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if (o != null) { |
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return (ScaledBlit) o; |
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} |
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ScaledBlit blit = locate(src, comp, dst); |
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if (blit == null) { |
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/* |
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System.out.println("blit loop not found for:"); |
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System.out.println("src: "+src); |
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System.out.println("comp: "+comp); |
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System.out.println("dst: "+dst); |
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*/ |
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} else { |
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blitcache.put(src, comp, dst, blit); |
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} |
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return blit; |
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} |
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protected ScaledBlit(SurfaceType srctype, |
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CompositeType comptype, |
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SurfaceType dsttype) |
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{ |
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super(methodSignature, primTypeID, srctype, comptype, dsttype); |
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} |
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public ScaledBlit(long pNativePrim, |
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SurfaceType srctype, |
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CompositeType comptype, |
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SurfaceType dsttype) |
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{ |
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super(pNativePrim, methodSignature, primTypeID, |
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srctype, comptype, dsttype); |
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} |
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public native void Scale(SurfaceData src, SurfaceData dst, |
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Composite comp, Region clip, |
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int sx1, int sy1, |
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int sx2, int sy2, |
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double dx1, double dy1, |
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double dx2, double dy2); |
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static { |
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GraphicsPrimitiveMgr.registerGeneral(new ScaledBlit(null, null, null)); |
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} |
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public GraphicsPrimitive makePrimitive(SurfaceType srctype, |
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CompositeType comptype, |
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SurfaceType dsttype) |
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{ |
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/* |
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System.out.println("Constructing general blit for:"); |
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System.out.println("src: "+srctype); |
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System.out.println("comp: "+comptype); |
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System.out.println("dst: "+dsttype); |
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*/ |
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return null; |
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} |
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public GraphicsPrimitive traceWrap() { |
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return new TraceScaledBlit(this); |
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} |
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private static class TraceScaledBlit extends ScaledBlit { |
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ScaledBlit target; |
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public TraceScaledBlit(ScaledBlit target) { |
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super(target.getSourceType(), |
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target.getCompositeType(), |
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target.getDestType()); |
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this.target = target; |
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} |
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public GraphicsPrimitive traceWrap() { |
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return this; |
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} |
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public void Scale(SurfaceData src, SurfaceData dst, |
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Composite comp, Region clip, |
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int sx1, int sy1, |
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int sx2, int sy2, |
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double dx1, double dy1, |
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double dx2, double dy2) |
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{ |
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tracePrimitive(target); |
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target.Scale(src, dst, comp, clip, |
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sx1, sy1, sx2, sy2, |
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dx1, dy1, dx2, dy2); |
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} |
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} |
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} |