| /* 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., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 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); |
| } |
| } |