root / trunk / libraries / libRaster / src-test / org / gvsig / raster / potrace / TestRasterPotrace.java @ 22816
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*/
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package org.gvsig.raster.potrace; |
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import org.gvsig.jpotrace.Potrace; |
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import org.gvsig.jpotrace.PotraceException; |
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import org.gvsig.raster.buffer.BufferFactory; |
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import org.gvsig.raster.buffer.RasterBuffer; |
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import org.gvsig.raster.dataset.NotSupportedExtensionException; |
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import org.gvsig.raster.dataset.RasterDataset; |
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import org.gvsig.raster.dataset.io.RasterDriverException; |
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/**
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*
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* @version 05/08/2008
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* @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)
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*/
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public class TestRasterPotrace { |
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private String baseDir = "./test-images/"; |
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// private String path1 = baseDir + "wheel.bmp";
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private String path1 = baseDir + "letters.bmp"; |
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private RasterDataset f1 = null; |
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public TestRasterPotrace() {
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try {
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f1 = RasterDataset.open(null, path1);
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BufferFactory ds = new BufferFactory(f1);
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ds.setAllDrawableBands(); |
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ds.setAreaOfInterest(); |
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RasterBuffer buf = (RasterBuffer) ds.getRasterBuf(); |
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int dy = (buf.getWidth() + 64 - 1) / 64; |
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long[] bufferBits = new long[buf.getHeight() * dy]; |
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for (int i = 0; i < bufferBits.length; i++) |
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bufferBits[i] = 0;
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int bit = 0; |
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int pos = 0; |
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// for (int j = 0; j < buf.getWidth(); j++) {
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for (int i = 0; i < buf.getHeight(); i++) { |
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pos = (buf.getHeight() - i - 1) * dy;
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bit = 0;
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// for (int i = 0; i < buf.getHeight(); i++) {
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for (int j = 0; j < buf.getWidth(); j++) { |
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byte data = buf.getElemByte(i, j, 0); |
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if (data == 0) { |
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bufferBits[pos] += (1 << (63-bit)); |
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// if (bit < 32)
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// bufferBits[pos] += (1 << (63-bit+32));
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// else
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// bufferBits[pos] += (1 << j);
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} |
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bit++; |
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if (bit >= 64) { |
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bit = 0;
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pos++; |
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} |
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} |
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} |
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// binario
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Potrace.vectorizeBufferRaster(bufferBits, buf.getWidth(), buf.getHeight(), "C:\\TEMP\\nacho.eps");
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} catch (NotSupportedExtensionException e) {
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e.printStackTrace(); |
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} catch (RasterDriverException e) {
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e.printStackTrace(); |
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} catch (InterruptedException e) { |
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e.printStackTrace(); |
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} catch (PotraceException e) {
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e.printStackTrace(); |
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} |
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} |
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public static void main(String[] args){ |
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new TestRasterPotrace();
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} |
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} |