/* * Copyright (c) 2001, 2008, 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.awt.image;import java.awt.Point;import java.awt.Rectangle;import java.awt.Image;import java.awt.image.DataBuffer;import java.awt.image.DataBufferByte;import java.awt.image.DataBufferUShort;import java.awt.image.DataBufferInt;import java.awt.image.SampleModel;import java.awt.image.WritableRaster;import sun.java2d.StateTrackable.State;import sun.java2d.SurfaceData;import sun.java2d.StateTrackableDelegate;/** * This class exists as a middle layer between WritableRaster and its * implementation specific subclasses (ByteComponentRaster, ShortBandedRaster, * etc). * It provides utilities to steal the data arrays from the standard DataBuffer * types and also steals the StateTrackableDelegate from the associated * DataBuffer so that it can be updated when the data is changed. */public class SunWritableRaster extends WritableRaster { private static DataStealer stealer; public static interface DataStealer { public byte[] getData(DataBufferByte dbb, int bank); public short[] getData(DataBufferUShort dbus, int bank); public int[] getData(DataBufferInt dbi, int bank); public StateTrackableDelegate getTrackable(DataBuffer db); public void setTrackable(DataBuffer db, StateTrackableDelegate trackable); } public static void setDataStealer(DataStealer ds) { if (stealer != null) { throw new InternalError("Attempt to set DataStealer twice"); } stealer = ds; } public static byte[] stealData(DataBufferByte dbb, int bank) { return stealer.getData(dbb, bank); } public static short[] stealData(DataBufferUShort dbus, int bank) { return stealer.getData(dbus, bank); } public static int[] stealData(DataBufferInt dbi, int bank) { return stealer.getData(dbi, bank); } public static StateTrackableDelegate stealTrackable(DataBuffer db) { return stealer.getTrackable(db); } public static void setTrackable(DataBuffer db, StateTrackableDelegate trackable) { stealer.setTrackable(db, trackable); } public static void makeTrackable(DataBuffer db) { stealer.setTrackable(db, StateTrackableDelegate.createInstance(State.STABLE)); } public static void markDirty(DataBuffer db) { stealer.getTrackable(db).markDirty(); } public static void markDirty(WritableRaster wr) { if (wr instanceof SunWritableRaster) { ((SunWritableRaster) wr).markDirty(); } else { markDirty(wr.getDataBuffer()); } } public static void markDirty(Image img) { SurfaceData.getPrimarySurfaceData(img).markDirty(); } private StateTrackableDelegate theTrackable; public SunWritableRaster(SampleModel sampleModel, Point origin) { super(sampleModel, origin); theTrackable = stealTrackable(dataBuffer); } public SunWritableRaster(SampleModel sampleModel, DataBuffer dataBuffer, Point origin) { super(sampleModel, dataBuffer, origin); theTrackable = stealTrackable(dataBuffer); } public SunWritableRaster(SampleModel sampleModel, DataBuffer dataBuffer, Rectangle aRegion, Point sampleModelTranslate, WritableRaster parent) { super(sampleModel, dataBuffer, aRegion, sampleModelTranslate, parent); theTrackable = stealTrackable(dataBuffer); } /** * Mark the TrackableDelegate of the associated DataBuffer dirty. */ public final void markDirty() { theTrackable.markDirty(); }}
/*
* Copyright (c) 2001, 2008, 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.awt.image;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Image;
import java.awt.image.DataBuffer;
import java.awt.image.DataBufferByte;
import java.awt.image.DataBufferUShort;
import java.awt.image.DataBufferInt;
import java.awt.image.SampleModel;
import java.awt.image.WritableRaster;
import sun.java2d.StateTrackable.State;
import sun.java2d.SurfaceData;
import sun.java2d.StateTrackableDelegate;
/**
* This class exists as a middle layer between WritableRaster and its
* implementation specific subclasses (ByteComponentRaster, ShortBandedRaster,
* etc).
* It provides utilities to steal the data arrays from the standard DataBuffer
* types and also steals the StateTrackableDelegate from the associated
* DataBuffer so that it can be updated when the data is changed.
*/
public class SunWritableRaster extends WritableRaster {
private static DataStealer stealer;
public static interface DataStealer {
public byte[] getData(DataBufferByte dbb, int bank);
public short[] getData(DataBufferUShort dbus, int bank);
public int[] getData(DataBufferInt dbi, int bank);
public StateTrackableDelegate getTrackable(DataBuffer db);
public void setTrackable(DataBuffer db, StateTrackableDelegate trackable);
}
public static void setDataStealer(DataStealer ds) {
if (stealer != null) {
throw new InternalError("Attempt to set DataStealer twice");
}
stealer = ds;
}
public static byte[] stealData(DataBufferByte dbb, int bank) {
return stealer.getData(dbb, bank);
}
public static short[] stealData(DataBufferUShort dbus, int bank) {
return stealer.getData(dbus, bank);
}
public static int[] stealData(DataBufferInt dbi, int bank) {
return stealer.getData(dbi, bank);
}
public static StateTrackableDelegate stealTrackable(DataBuffer db) {
return stealer.getTrackable(db);
}
public static void setTrackable(DataBuffer db, StateTrackableDelegate trackable) {
stealer.setTrackable(db, trackable);
}
public static void makeTrackable(DataBuffer db) {
stealer.setTrackable(db, StateTrackableDelegate.createInstance(State.STABLE));
}
public static void markDirty(DataBuffer db) {
stealer.getTrackable(db).markDirty();
}
public static void markDirty(WritableRaster wr) {
if (wr instanceof SunWritableRaster) {
((SunWritableRaster) wr).markDirty();
} else {
markDirty(wr.getDataBuffer());
}
}
public static void markDirty(Image img) {
SurfaceData.getPrimarySurfaceData(img).markDirty();
}
private StateTrackableDelegate theTrackable;
public SunWritableRaster(SampleModel sampleModel, Point origin) {
super(sampleModel, origin);
theTrackable = stealTrackable(dataBuffer);
}
public SunWritableRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Point origin)
{
super(sampleModel, dataBuffer, origin);
theTrackable = stealTrackable(dataBuffer);
}
public SunWritableRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point sampleModelTranslate,
WritableRaster parent)
{
super(sampleModel, dataBuffer, aRegion, sampleModelTranslate, parent);
theTrackable = stealTrackable(dataBuffer);
}
/**
* Mark the TrackableDelegate of the associated DataBuffer dirty.
*/
public final void markDirty() {
theTrackable.markDirty();
}
}