2 * PROJECT: NyARToolkit
\r
3 * --------------------------------------------------------------------------------
\r
4 * This work is based on the original ARToolKit developed by
\r
7 * HITLab, University of Washington, Seattle
\r
8 * http://www.hitl.washington.edu/artoolkit/
\r
10 * The NyARToolkit is Java edition ARToolKit class library.
\r
11 * Copyright (C)2008-2009 Ryo Iizuka
\r
13 * This program is free software: you can redistribute it and/or modify
\r
14 * it under the terms of the GNU General Public License as published by
\r
15 * the Free Software Foundation, either version 3 of the License, or
\r
16 * (at your option) any later version.
\r
18 * This program is distributed in the hope that it will be useful,
\r
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
\r
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
\r
21 * GNU General Public License for more details.
\r
23 * You should have received a copy of the GNU General Public License
\r
24 * along with this program. If not, see <http://www.gnu.org/licenses/>.
\r
26 * For further information please contact.
\r
27 * http://nyatla.jp/nyatoolkit/
\r
28 * <airmail(at)ebony.plala.or.jp> or <nyatla(at)nyatla.jp>
\r
31 package jp.nyatla.nyartoolkit.core2.rasterfilter.gs2bin;
\r
33 import jp.nyatla.nyartoolkit.NyARException;
\r
34 import jp.nyatla.nyartoolkit.core.raster.*;
\r
35 import jp.nyatla.nyartoolkit.core.rasterfilter.INyARRasterFilter_GsToBin;
\r
36 import jp.nyatla.nyartoolkit.core.types.*;
\r
42 public class NyARRasterFilter_Threshold implements INyARRasterFilter_GsToBin
\r
44 private int _threshold;
\r
46 public NyARRasterFilter_Threshold(int i_threshold)
\r
48 this._threshold = i_threshold;
\r
52 public void doFilter(NyARGrayscaleRaster i_input, NyARBinRaster i_output) throws NyARException
\r
54 assert (i_input.getSize().isEqualSize(i_output.getSize()) == true);
\r
56 final int[] out_buf = (int[]) i_output.getBufferReader().getBuffer();
\r
57 final int[] in_buf = (int[]) i_input.getBufferReader().getBuffer();
\r
60 NyARIntSize size = i_output.getSize();
\r
61 for (int y = 0; y < size.h - 1; y++) {
\r
62 for (int x = 0; x < size.w; x++) {
\r
63 out_buf[y*size.w+x] = in_buf[y*size.w+x] >= this._threshold ? 1 : 0;
\r
69 public void setThreshold(int i_threshold)
\r
71 this._threshold = i_threshold;
\r