/*
* Copyright ( c ) 2014 , 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 .
*
* 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
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* questions .
*/
/**
* @ test
* @ bug 8038000 8047066
*
* @ summary Verifies that we could create different type of Rasters with height 1
* and strideline which exceeds raster width .
* Also checks that a set of RasterOp work correctly with such kind of Rasters .
* For 8047066 verifies that ColorConvertOp could process
* Raster ( ByteBuffer + SinglePixelPackedSampleModel )
*
* @ run main bug8038000
*/
import java.awt.*;
import java.awt.color.ColorSpace;
import java.awt.geom.AffineTransform;
import java.awt.image.*;
import java.util.Arrays;
public class bug8038000 {
public static void main(String[] args) throws Exception {
new bug8038000().checkOps();
// No exceptions - Passed
}
private void checkOps() throws Exception {
RasterOp[] ops = new RasterOp[] {
new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_sRGB),
ColorSpace.getInstance(ColorSpace.CS_LINEAR_RGB), null ),
new AffineTransformOp(AffineTransform.getScaleInstance(1 , 1 .1 ), null )
};
for (RasterOp op: ops) {
// Banded rasters
checkOp(Raster.createBandedRaster(DataBuffer.TYPE_BYTE, 10 , 1 , 10 ,
new int [] {0 , 1 , 2 }, new int []{2 ,1 ,0 }, null ),
Raster.createBandedRaster(DataBuffer.TYPE_BYTE, 10 , 1 , 1001 ,
new int [] {0 , 1 , 2 }, new int []{2 ,1 ,0 }, null ), op);
checkOp(Raster.createBandedRaster(DataBuffer.TYPE_USHORT, 10 , 1 , 10 ,
new int [] {0 , 1 , 2 }, new int []{2 ,1 ,0 }, null ),
Raster.createBandedRaster(DataBuffer.TYPE_USHORT, 10 , 1 , 1001 ,
new int [] {0 , 1 , 2 }, new int []{2 ,1 ,0 }, null ), op);
checkOp(Raster.createBandedRaster(DataBuffer.TYPE_INT, 10 , 1 , 10 ,
new int [] {0 , 1 , 2 }, new int []{2 ,1 ,0 }, null ),
Raster.createBandedRaster(DataBuffer.TYPE_INT, 10 , 1 , 1001 ,
new int [] {0 , 1 , 2 }, new int []{2 ,1 ,0 }, null ), op);
// Interleaved rasters
checkOp(Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE,
10 , 1 , 30 , 3 , new int []{0 , 1 , 2 }, null ),
Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE,
10 , 1 , 1001 , 3 , new int []{0 , 1 , 2 }, null ),
op);
checkOp(Raster.createInterleavedRaster(DataBuffer.TYPE_USHORT,
10 , 1 , 30 , 3 , new int []{0 , 1 , 2 }, null ),
Raster.createInterleavedRaster(DataBuffer.TYPE_USHORT,
10 , 1 , 1001 , 3 , new int []{0 , 1 , 2 }, null ),
op);
// Packed rasters
checkOp(Raster.createPackedRaster(new DataBufferByte(10 ), 10 , 1 , 10 ,
new int [] {0 x01, 0 x02, 0 x04}, null ),
Raster.createPackedRaster(new DataBufferByte(10 ), 10 , 1 , 2000 ,
new int [] {0 x01, 0 x02, 0 x04}, null ),
op);
checkOp(Raster.createPackedRaster(new DataBufferInt(10 ), 10 , 1 , 10 ,
new int [] {0 xff0000, 0 x00ff00, 0 x0000ff}, null ),
Raster.createPackedRaster(new DataBufferInt(10 ), 10 , 1 , 20 ,
new int [] {0 xff0000, 0 x00ff00, 0 x0000ff}, null ),
op);
}
}
/**
* Takes two identical rasters ( identical with the exception of scanline stride )
* fills their pixels with identical data , applies the RasterOp to both rasters
* and checks that the result is the same
*/
private void checkOp(WritableRaster wr1, WritableRaster wr2, RasterOp op) {
System.out.println("Checking " + op + " with rasters: \n " + wr1 +
"\n " + wr2);
try {
WritableRaster r1 = op.filter(fillRaster(wr1), null );
WritableRaster r2 = op.filter(fillRaster(wr2), null );
compareRasters(r1, r2);
} catch (ImagingOpException e) {
System.out.println(" Skip: Op is not supported: " + e);
}
}
private WritableRaster fillRaster(WritableRaster wr) {
int c = 0 ;
for (int x = wr.getMinX(); x < wr.getMinX() + wr.getWidth(); x++) {
for (int y = wr.getMinY(); y < wr.getMinY() + wr.getHeight(); y++) {
for (int b = 0 ; b < wr.getNumBands(); b++) {
wr.setSample(x, y, b, c++);
}
}
}
return wr;
}
private void compareRasters(Raster r1, Raster r2) {
Rectangle bounds = r1.getBounds();
if (!bounds.equals(r2.getBounds())) {
throw new RuntimeException("Bounds differ." );
}
if (r1.getNumBands() != r2.getNumBands()) {
throw new RuntimeException("Bands differ." );
}
int [] b1 = new int [r1.getNumBands()];
int [] b2 = new int [r1.getNumBands()];
for (int x = (int ) bounds.getX(); x < bounds.getMaxX(); x++) {
for (int y = (int ) bounds.getY(); y < bounds.getMaxY(); y++) {
r1.getPixel(x,y, b1);
r2.getPixel(x,y, b2);
if (!Arrays.equals(b1, b2)) {
throw new RuntimeException("Pixels differ." );
}
}
}
}
}
Messung V0.5 in Prozent C=92 H=95 G=93
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-11)
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