/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
public class RowFilter {
private static final int abs(int x) {
return (x < 0) ? -x : x;
}
// Returns the sum of absolute differences
byte[] subFilteredRow,
int bytesPerPixel,
int bytesPerRow) {
int badness = 0;
subFilteredRow[i] = (byte)difference;
}
return badness;
}
// Returns the sum of absolute differences
byte[] prevRow,
byte[] upFilteredRow,
int bytesPerPixel,
int bytesPerRow) {
int badness = 0;
upFilteredRow[i] = (byte)difference;
}
return badness;
}
protected final int paethPredictor(int a, int b, int c) {
int p = a + b - c;
return a;
return b;
} else {
return c;
}
}
byte[] currRow,
byte[] prevRow,
byte[][] scratchRows,
int bytesPerRow,
int bytesPerPixel) {
// Use type 0 for palette images
return 0;
}
int[] filterBadness = new int[5];
for (int i = 0; i < 5; i++) {
}
{
int badness = 0;
}
}
{
}
{
}
{
int badness = 0;
averageFilteredRow[i] = (byte)difference;
}
}
{
int badness = 0;
paethFilteredRow[i] = (byte)difference;
}
}
int filterType = 0;
for (int i = 1; i < 5; i++) {
if (filterBadness[i] < minBadness) {
minBadness = filterBadness[i];
filterType = i;
}
}
if (filterType == 0) {
}
return filterType;
}
}