svn-gvsig-desktop / tags / v1_0_2_Build_908 / libraries / libCq CMS for java.old / src / org / cresques / filter / PixelFilter.java @ 11054
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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; |
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/**
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* @author Luis W. Sevilla (sevilla_lui@gva.es)
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*/
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public class PixelFilter { |
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public boolean debug = false; |
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int transparente = 0x10ffff00; |
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int orColor = 0xff000000; |
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int umbral = 0xf0f0f0; |
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private int alpha = 0xff; |
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/**
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* Constructor para el Oleico
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*/
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public PixelFilter(int alpha) { |
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transparente = 0x10ffff00;
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setAlpha(alpha); |
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//orColor = 0xff000000 | (alpha * 0x1000000);
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umbral = 0xf0f0f0;
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} |
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/**
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* Constructor.
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*
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* @param trans Color que sustituye a los pixeles filtrados
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* @param or M?scara que se aplica a los pixeles restantes
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* @param pxMax Umbral que determina los pixeles.
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*/
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public PixelFilter(int trans, int or, int pxMax) { |
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transparente = trans; |
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setAlpha((orColor >> 24) & 0xff); |
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orColor = or; |
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umbral = pxMax; |
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} |
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public void setAlpha(int alpha) { |
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this.alpha = alpha;
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orColor = (alpha << 24) & 0xff000000; |
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} |
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public int getAlpha() { |
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return alpha;
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} |
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/**
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* Filtra una l?nea de pixeles.
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*
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* @param pRGBArray
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*/
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public void filterLine(int[] pRGBArray) { |
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for (int i = 0; i < pRGBArray.length; i++) { |
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/*if (debug)
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System.out.print(""+i+":"+Integer.toHexString(pRGBArray[i])+",");*/
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if (pRGBArray[i] >= umbral) {
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pRGBArray[i] = transparente; |
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} else {
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pRGBArray[i] |= orColor; |
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} |
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} |
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/*if (debug)
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System.out.println("");*/
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} |
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} |