gcc/libjava/java/awt/image/WritableRaster.java

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/* Copyright (C) 2000 Free Software Foundation
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
package java.awt.image;
import java.awt.*;
/**
* @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.x, origin.y,
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(srcRaster, 0, 0);
}
public void setRect(Raster srcRaster, int dx, int dy)
{
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);
}
}