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src/java.desktop/share/classes/sun/awt/image/ByteBandedRaster.java
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@@ -1,7 +1,7 @@
/*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, 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
@@ -27,11 +27,10 @@
import java.awt.image.Raster;
import java.awt.image.WritableRaster;
import java.awt.image.RasterFormatException;
import java.awt.image.SampleModel;
import java.awt.image.BandedSampleModel;
-import java.awt.image.DataBuffer;
import java.awt.image.DataBufferByte;
import java.awt.Rectangle;
import java.awt.Point;
/**
@@ -72,14 +71,13 @@
* enough to describe the Raster is automatically created. SampleModel
* must be of type BandedSampleModel.
* @param sampleModel The SampleModel that specifies the layout.
* @param origin The Point that specifies the origin.
*/
- public ByteBandedRaster(SampleModel sampleModel,
- Point origin) {
+ public ByteBandedRaster(SampleModel sampleModel, Point origin) {
this(sampleModel,
- sampleModel.createDataBuffer(),
+ (DataBufferByte) sampleModel.createDataBuffer(),
new Rectangle(origin.x,
origin.y,
sampleModel.getWidth(),
sampleModel.getHeight()),
origin,
@@ -91,16 +89,17 @@
* and DataBuffer. The Raster's upper left corner is origin and
* it is the same size as the SampleModel. The DataBuffer is not
* initialized and must be a DataBufferShort compatible with SampleModel.
* SampleModel must be of type BandedSampleModel.
* @param sampleModel The SampleModel that specifies the layout.
- * @param dataBuffer The DataBufferShort that contains the image data.
+ * @param dataBuffer The DataBufferByte that contains the image data.
* @param origin The Point that specifies the origin.
*/
public ByteBandedRaster(SampleModel sampleModel,
- DataBuffer dataBuffer,
- Point origin) {
+ DataBufferByte dataBuffer,
+ Point origin)
+ {
this(sampleModel, dataBuffer,
new Rectangle(origin.x , origin.y,
sampleModel.getWidth(),
sampleModel.getHeight()),
origin, null);
@@ -117,43 +116,37 @@
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
- * @param dataBuffer The DataBufferShort that contains the image data.
+ * @param dataBuffer The DataBufferByte that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public ByteBandedRaster(SampleModel sampleModel,
- DataBuffer dataBuffer,
+ DataBufferByte dataBuffer,
Rectangle aRegion,
Point origin,
- ByteBandedRaster parent) {
-
+ ByteBandedRaster parent)
+ {
super(sampleModel, dataBuffer, aRegion, origin, parent);
this.maxX = minX + width;
this.maxY = minY + height;
- if (!(dataBuffer instanceof DataBufferByte)) {
- throw new RasterFormatException("ByteBandedRaster must have" +
- "byte DataBuffers");
- }
- DataBufferByte dbb = (DataBufferByte)dataBuffer;
-
if (sampleModel instanceof BandedSampleModel) {
BandedSampleModel bsm = (BandedSampleModel)sampleModel;
this.scanlineStride = bsm.getScanlineStride();
int bankIndices[] = bsm.getBankIndices();
int bandOffsets[] = bsm.getBandOffsets();
- int dOffsets[] = dbb.getOffsets();
+ int dOffsets[] = dataBuffer.getOffsets();
dataOffsets = new int[bankIndices.length];
data = new byte[bankIndices.length][];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
for (int i = 0; i < bankIndices.length; i++) {
- data[i] = stealData(dbb, bankIndices[i]);
+ data[i] = stealData(dataBuffer, bankIndices[i]);
dataOffsets[i] = dOffsets[bankIndices[i]] +
xOffset + yOffset*scanlineStride + bandOffsets[i];
}
} else {
throw new RasterFormatException("ByteBandedRasters must have"+
@@ -670,11 +663,11 @@
int deltaX = x0 - x;
int deltaY = y0 - y;
return new ByteBandedRaster(sm,
- dataBuffer,
+ (DataBufferByte) dataBuffer,
new Rectangle(x0,y0,width,height),
new Point(sampleModelTranslateX+deltaX,
sampleModelTranslateY+deltaY),
this);
}
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