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root / trunk / libraries / libCq_CMS_praster / src / org / cresques / filter / bands / RasterByteToImageFilter.java @ 8026

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/*
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 * Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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 *
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 * Copyright (C) 2004-5.
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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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 * For more information, contact:
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 *
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 * cresques@gmail.com
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 */
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package org.cresques.filter.bands;
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import java.awt.image.BufferedImage;
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import org.cresques.filter.RasterFilter;
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import org.cresques.io.data.RasterBuf;
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/**
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 * Convierte los elementos short de un RasterBuf a un pixel de un image.
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 * @author Nacho Brodin (brodin_ign@gva.es)
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 */
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public class RasterByteToImageFilter extends RasterToImageFilter {
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        private byte[]                 px = new byte[4];
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    /**
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     * Constructor
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     *
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     */
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    public RasterByteToImageFilter() {
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    }
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    /* (non-Javadoc)
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     * @see org.cresques.io.raster.IRasterFilter#pre()
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     */
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    public void pre() {
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       super.pre();
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    }
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    /* (non-Javadoc)
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     * @see org.cresques.px.PxRaster.RasterFilter#process(int, int)
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     */
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    public void process(int col, int line) {
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        raster.getElemByte(line, col, px);
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        rgb = (alpha & ((px[3] & 0xff) << 24)) | ((px[0] & 0xff) << 16) |
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              ((px[1] & 0xff) << 8) | (px[2] & 0xff);
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        image.setRGB(col, line, rgb);
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    }
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        public void processSuperSampling(int col, int line) {
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                raster.getElemByte(line, col, px);
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        rgb = (alpha & ((px[3] & 0xff) << 24)) | ((px[0] & 0xff) << 16) |
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              ((px[1] & 0xff) << 8) | (px[2] & 0xff);
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        for(int j = col; j < raster.getWidth() && j < (col + stepX[contX + 1]); j++)
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                        for(int i = line; i < raster.getHeight() && i < (line + stepY[contY + 1]); i++)
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                                image.setRGB(j, i, rgb);
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        }
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    /* (non-Javadoc)
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     * @see org.cresques.io.raster.IRasterFilter#getResult(java.lang.String)
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     */
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    public Object getResult(String name) {
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        return super.getResult(name);
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    }
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    /* (non-Javadoc)
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     * @see org.cresques.px.PxRaster.RasterFilter#processLines(int)
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     */
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    public void processLine(int y) {
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        for (int x = 0; x < width; x++) {
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            int[][] line = raster.getLineInt(y);
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            rgb = (alpha & ((px[3] & 0xff) << 24)) |
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                  ((line[x][0] & 0xff) << 16) | ((line[x][1] & 0xff) << 8) |
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                  (line[x][2] & 0xff);
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            image.setRGB(x, y, rgb);
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        }
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    }
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    /* (non-Javadoc)
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     * @see org.cresques.io.raster.IRasterFilter#getInRasterDataType()
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     */
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    public int getInRasterDataType() {
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        return super.getInRasterDataType();
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    }
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    /* (non-Javadoc)
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     * @see org.cresques.io.raster.IRasterFilter#getOutRasterDataType()
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     */
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    public int getOutRasterDataType() {
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        return super.getOutRasterDataType();
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    }
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    /* (non-Javadoc)
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     * @see org.cresques.io.raster.IRasterFilter#post()
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     */
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    public void post() {
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            super.post();
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    }
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}