141 lines
5.1 KiB
Java
141 lines
5.1 KiB
Java
/*
|
|
* Copyright (c) 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.geom.AffineTransform;
|
|
import java.lang.ref.WeakReference;
|
|
import sun.java2d.SurfaceData;
|
|
import sun.java2d.loops.GraphicsPrimitive;
|
|
import sun.java2d.pipe.Region;
|
|
|
|
/**
|
|
* TransformHelper
|
|
* 1) applies an AffineTransform to a rectangle of pixels while copying
|
|
* 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 TransformHelper extends GraphicsPrimitive
|
|
{
|
|
public static final String methodSignature =
|
|
"TransformHelper(...)".toString();
|
|
|
|
public static final int primTypeID = makePrimTypeID();
|
|
|
|
private static RenderCache helpercache = new RenderCache(10);
|
|
|
|
public static TransformHelper locate(SurfaceType srctype) {
|
|
return (TransformHelper)
|
|
GraphicsPrimitiveMgr.locate(primTypeID,
|
|
srctype,
|
|
CompositeType.SrcNoEa,
|
|
SurfaceType.IntArgbPre);
|
|
}
|
|
|
|
public static synchronized TransformHelper getFromCache(SurfaceType src) {
|
|
Object o = helpercache.get(src, null, null);
|
|
if (o != null) {
|
|
return (TransformHelper) o;
|
|
}
|
|
TransformHelper helper = locate(src);
|
|
if (helper == null) {
|
|
/*
|
|
System.out.println("helper loop not found for:");
|
|
System.out.println("src: "+src);
|
|
*/
|
|
} else {
|
|
helpercache.put(src, null, null, helper);
|
|
}
|
|
return helper;
|
|
}
|
|
|
|
protected TransformHelper(SurfaceType srctype) {
|
|
super(methodSignature, primTypeID, srctype,
|
|
CompositeType.SrcNoEa,
|
|
SurfaceType.IntArgbPre);
|
|
}
|
|
|
|
public TransformHelper(long pNativePrim, SurfaceType srctype,
|
|
CompositeType comptype,
|
|
SurfaceType dsttype)
|
|
{
|
|
super(pNativePrim, methodSignature, primTypeID,
|
|
srctype, comptype, dsttype);
|
|
}
|
|
|
|
public native void Transform(MaskBlit output,
|
|
SurfaceData src, SurfaceData dst,
|
|
Composite comp, Region clip,
|
|
AffineTransform itx, int txtype,
|
|
int sx1, int sy1, int sx2, int sy2,
|
|
int dx1, int dy1, int dx2, int dy2,
|
|
int edges[], int dxoff, int dyoff);
|
|
|
|
public GraphicsPrimitive makePrimitive(SurfaceType srctype,
|
|
CompositeType comptype,
|
|
SurfaceType dsttype)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public GraphicsPrimitive traceWrap() {
|
|
return new TraceTransformHelper(this);
|
|
}
|
|
|
|
private static class TraceTransformHelper extends TransformHelper {
|
|
TransformHelper target;
|
|
|
|
public TraceTransformHelper(TransformHelper target) {
|
|
super(target.getSourceType());
|
|
this.target = target;
|
|
}
|
|
|
|
public GraphicsPrimitive traceWrap() {
|
|
return this;
|
|
}
|
|
|
|
public void Transform(MaskBlit output,
|
|
SurfaceData src, SurfaceData dst,
|
|
Composite comp, Region clip,
|
|
AffineTransform itx, int txtype,
|
|
int sx1, int sy1, int sx2, int sy2,
|
|
int dx1, int dy1, int dx2, int dy2,
|
|
int edges[], int dxoff, int dyoff)
|
|
{
|
|
tracePrimitive(target);
|
|
target.Transform(output, src, dst, comp, clip, itx, txtype,
|
|
sx1, sy1, sx2, sy2,
|
|
dx1, dy1, dx2, dy2,
|
|
edges, dxoff, dyoff);
|
|
}
|
|
}
|
|
}
|