266 lines
7.6 KiB
Java
266 lines
7.6 KiB
Java
/* Copyright (C) 2000, 2002, 2003 Free Software Foundation
|
|
|
|
This file is part of GNU Classpath.
|
|
|
|
GNU Classpath is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
GNU Classpath 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 for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GNU Classpath; see the file COPYING. If not, write to the
|
|
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
02110-1301 USA.
|
|
|
|
Linking this library statically or dynamically with other modules is
|
|
making a combined work based on this library. Thus, the terms and
|
|
conditions of the GNU General Public License cover the whole
|
|
combination.
|
|
|
|
As a special exception, the copyright holders of this library give you
|
|
permission to link this library with independent modules to produce an
|
|
executable, regardless of the license terms of these independent
|
|
modules, and to copy and distribute the resulting executable under
|
|
terms of your choice, provided that you also meet, for each linked
|
|
independent module, the terms and conditions of the license of that
|
|
module. An independent module is a module which is not derived from
|
|
or based on this library. If you modify this library, you may extend
|
|
this exception to your version of the library, but you are not
|
|
obligated to do so. If you do not wish to do so, delete this
|
|
exception statement from your version. */
|
|
|
|
|
|
package java.awt.image;
|
|
|
|
import java.awt.Point;
|
|
import java.awt.Rectangle;
|
|
|
|
/**
|
|
* @author Rolf W. Rasmussen (rolfwr@ii.uib.no)
|
|
*/
|
|
public class WritableRaster extends Raster
|
|
{
|
|
protected WritableRaster(SampleModel sampleModel, Point origin)
|
|
{
|
|
this(sampleModel, sampleModel.createDataBuffer(), origin);
|
|
}
|
|
|
|
protected WritableRaster(SampleModel sampleModel,
|
|
DataBuffer dataBuffer, Point origin)
|
|
{
|
|
this(sampleModel, dataBuffer,
|
|
new Rectangle(origin != null ? origin.x : 0,
|
|
origin != null ? origin.y : 0,
|
|
sampleModel.getWidth(), sampleModel.getHeight()),
|
|
origin,
|
|
null);
|
|
}
|
|
|
|
protected WritableRaster(SampleModel sampleModel,
|
|
DataBuffer dataBuffer,
|
|
Rectangle aRegion,
|
|
Point sampleModelTranslate,
|
|
WritableRaster parent)
|
|
{
|
|
super(sampleModel, dataBuffer, aRegion, sampleModelTranslate,
|
|
parent);
|
|
}
|
|
|
|
public WritableRaster getWritableParent()
|
|
{
|
|
return (WritableRaster) getParent();
|
|
}
|
|
|
|
public WritableRaster createWritableTranslatedChild(int childMinX,
|
|
int childMinY)
|
|
{
|
|
// This mirrors the code from the super class
|
|
int tcx = sampleModelTranslateX - minX + childMinX;
|
|
int tcy = sampleModelTranslateY - minY + childMinY;
|
|
|
|
return new WritableRaster(sampleModel, dataBuffer,
|
|
new Rectangle(childMinX, childMinY,
|
|
width, height),
|
|
new Point(tcx, tcy),
|
|
this);
|
|
}
|
|
|
|
public WritableRaster createWritableChild(int parentX,
|
|
int parentY,
|
|
int w, int h,
|
|
int childMinX,
|
|
int childMinY,
|
|
int[] bandList)
|
|
{
|
|
// This mirrors the code from the super class
|
|
|
|
// FIXME: Throw RasterFormatException if child bounds extends
|
|
// beyond the bounds of this raster.
|
|
|
|
SampleModel sm = (bandList == null) ?
|
|
sampleModel :
|
|
sampleModel.createSubsetSampleModel(bandList);
|
|
|
|
return new
|
|
WritableRaster(sm, dataBuffer,
|
|
new Rectangle(childMinX, childMinY,
|
|
w, h),
|
|
new Point(sampleModelTranslateX+childMinX-parentX,
|
|
sampleModelTranslateY+childMinY-parentY),
|
|
this);
|
|
}
|
|
|
|
public void setDataElements(int x, int y, Object inData)
|
|
{
|
|
sampleModel.setDataElements(x-sampleModelTranslateX,
|
|
y-sampleModelTranslateY,
|
|
inData, dataBuffer);
|
|
}
|
|
|
|
public void setDataElements(int x, int y, Raster inRaster)
|
|
{
|
|
Object dataElements = getDataElements(0, 0,
|
|
inRaster.getWidth(),
|
|
inRaster.getHeight(),
|
|
null);
|
|
setDataElements(x, y, dataElements);
|
|
}
|
|
|
|
public void setDataElements(int x, int y, int w, int h,
|
|
Object inData)
|
|
{
|
|
sampleModel.setDataElements(x-sampleModelTranslateX,
|
|
y-sampleModelTranslateY,
|
|
w, h, inData, dataBuffer);
|
|
}
|
|
|
|
public void setRect(Raster srcRaster)
|
|
{
|
|
setRect(0, 0, srcRaster);
|
|
}
|
|
|
|
public void setRect(int dx, int dy, Raster srcRaster)
|
|
{
|
|
Rectangle targetUnclipped = new Rectangle(srcRaster.getMinX()+dx,
|
|
srcRaster.getMinY()+dy,
|
|
srcRaster.getWidth(),
|
|
srcRaster.getHeight());
|
|
|
|
Rectangle target = getBounds().intersection(targetUnclipped);
|
|
|
|
if (target.isEmpty()) return;
|
|
|
|
int sx = target.x - dx;
|
|
int sy = target.y - dy;
|
|
|
|
// FIXME: Do tests on rasters and use get/set data instead.
|
|
|
|
/* The JDK documentation seems to imply this implementation.
|
|
(the trucation of higher bits), but an implementation using
|
|
get/setDataElements would be more efficient. None of the
|
|
implementations would do anything sensible when the sample
|
|
models don't match.
|
|
|
|
But this is probably not the place to consider such
|
|
optimizations.*/
|
|
|
|
int[] pixels = srcRaster.getPixels(sx, sy,
|
|
target.width, target.height,
|
|
(int[]) null);
|
|
|
|
setPixels(target.x, target.y, target.width, target.height, pixels);
|
|
}
|
|
|
|
public void setPixel(int x, int y, int[] iArray)
|
|
{
|
|
sampleModel.setPixel(x-sampleModelTranslateX,
|
|
y-sampleModelTranslateY,
|
|
iArray, dataBuffer);
|
|
}
|
|
|
|
public void setPixel(int x, int y, float[] fArray)
|
|
{
|
|
sampleModel.setPixel(x-sampleModelTranslateX,
|
|
y-sampleModelTranslateY,
|
|
fArray, dataBuffer);
|
|
}
|
|
|
|
public void setPixel(int x, int y, double[] dArray)
|
|
{
|
|
sampleModel.setPixel(x-sampleModelTranslateX,
|
|
y-sampleModelTranslateY,
|
|
dArray, dataBuffer);
|
|
}
|
|
|
|
public void setPixels(int x, int y, int w, int h, int[] iArray)
|
|
{
|
|
sampleModel.setPixels(x-sampleModelTranslateX,
|
|
y-sampleModelTranslateY,
|
|
w, h, iArray, dataBuffer);
|
|
}
|
|
|
|
public void setPixels(int x, int y, int w, int h, float[] fArray)
|
|
{
|
|
sampleModel.setPixels(x-sampleModelTranslateX,
|
|
y-sampleModelTranslateY,
|
|
w, h, fArray, dataBuffer);
|
|
}
|
|
|
|
public void setPixels(int x, int y, int w, int h, double[] dArray)
|
|
{
|
|
sampleModel.setPixels(x-sampleModelTranslateX,
|
|
y-sampleModelTranslateY,
|
|
w, h, dArray, dataBuffer);
|
|
}
|
|
|
|
public void setSample(int x, int y, int b, int s)
|
|
{
|
|
sampleModel.setSample(x-sampleModelTranslateX,
|
|
y-sampleModelTranslateY,
|
|
b, s, dataBuffer);
|
|
}
|
|
|
|
public void setSample(int x, int y, int b, float s)
|
|
{
|
|
sampleModel.setSample(x-sampleModelTranslateX,
|
|
y-sampleModelTranslateY,
|
|
b, s, dataBuffer);
|
|
}
|
|
|
|
public void setSample(int x, int y, int b, double s)
|
|
{
|
|
sampleModel.setSample(x-sampleModelTranslateX,
|
|
y-sampleModelTranslateY,
|
|
b, s, dataBuffer);
|
|
}
|
|
|
|
public void setSamples(int x, int y, int w, int h, int b,
|
|
int[] iArray)
|
|
{
|
|
sampleModel.setSamples(x-sampleModelTranslateX,
|
|
y-sampleModelTranslateY,
|
|
w, h, b, iArray, dataBuffer);
|
|
}
|
|
|
|
public void setSamples(int x, int y, int w, int h, int b,
|
|
float[] fArray)
|
|
{
|
|
sampleModel.setSamples(x-sampleModelTranslateX,
|
|
y-sampleModelTranslateY,
|
|
w, h, b, fArray, dataBuffer);
|
|
}
|
|
|
|
public void setSamples(int x, int y, int w, int h, int b,
|
|
double[] dArray)
|
|
{
|
|
sampleModel.setSamples(x-sampleModelTranslateX,
|
|
y-sampleModelTranslateY,
|
|
w, h, b, dArray, dataBuffer);
|
|
}
|
|
}
|