root / trunk / extensions / extRasterTools-SE / src / org / gvsig / raster / beans / canvas / layers / functions / DensitySlicingLine.java @ 19559
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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.beans.canvas.layers.functions; |
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import java.awt.Color; |
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/**
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* Representa una l?nea escalonada para el realce de density slicing.
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* Esta hereda de StraightLine porque es b?sicamente la misma pero con una
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* forma determinada.
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*
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* 11/03/2008
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* @author Nacho Brodin nachobrodin@gmail.com
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*/
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public class DensitySlicingLine extends StraightLine { |
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public static final int DEFAULT_LEVELS = 6; |
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private int levels = DEFAULT_LEVELS; |
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/**
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* Constructor. Asigna el valor de color a la l?nea
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* @param c Color
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*/
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public DensitySlicingLine(Color c) { |
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super(c);
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} |
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/**
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* Constructor. Asigna el valor de color a la l?nea
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* @param c Color
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*/
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public DensitySlicingLine(Color c, int levels) { |
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super(c);
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this.levels = levels;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.beans.canvas.layers.functions.StraightLine#firstDrawActions()
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*/
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public void firstDrawActions() { |
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setShape(levels); |
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} |
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/**
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* Pone la forma a la l?nea escalonada dependiendo del n?mero de
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* escalones existentes.
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*
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* @param levels
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*/
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public void setShape(int levels) { |
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this.levels = levels;
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listSquare.clear(); |
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int nSquares = (levels * 2) + 1; |
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if(canvas == null || levels <= 1) |
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return;
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int distX = canvas.getCanvasWidth() / levels;
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int distY = canvas.getCanvasHeight() / (levels - 1); |
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int posX = canvas.getCanvasMinX();
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int posY = canvas.getCanvasMaxY();
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for (int i = 0; i <= nSquares; i++) { |
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listSquare.add(new Square(posX, posY));
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if((i % 2) != 0) |
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posY -= distY; |
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else
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posX += distX; |
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} |
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} |
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} |