root / trunk / extensions / extRasterTools-SE / src / org / gvsig / raster / beans / canvas / layers / InfoLayer.java @ 22103
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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) 2005 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; |
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import java.awt.Color; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.RenderingHints; |
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import java.awt.geom.Rectangle2D; |
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import java.util.ArrayList; |
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import org.gvsig.raster.beans.canvas.DrawableElement; |
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import org.gvsig.raster.util.MathUtils; |
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/**
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* Capa para GCanvas que muestra el maximo y minimo de una banda
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*
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* @version 04/03/2008
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* @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)
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*/
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public class InfoLayer extends DrawableElement { |
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private Color color = null; |
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private double min = 0.0; |
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private double max = 1.0; |
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private String statusRight = null; |
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private String statusLeft = null; |
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/**
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* Creacion de un InfoLayer especificando el color
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* @param c
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*/
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public InfoLayer(Color c) { |
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color = c; |
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} |
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/**
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* Definir el borde que va a tener el componente
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*/
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public void firstActions() { |
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canvas.addBorder(0, 15, 0, 15); |
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} |
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/**
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* Establecer los valores maximo y minimo para dicha capa
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* @param min
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* @param max
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*/
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public void setLimits(double min, double max) { |
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this.min = min;
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this.max = max;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.beans.canvas.DrawableElement#paint(java.awt.Graphics)
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*/
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protected void paint(Graphics g) { |
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Graphics2D graphics2 = (Graphics2D) g; |
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RenderingHints hints = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); |
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hints.add(new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY)); |
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graphics2.setRenderingHints(hints); |
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graphics2.setColor(color); |
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graphics2.setFont(new java.awt.Font("Times", 1, 12)); |
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String min2 = MathUtils.clipDecimals(min, 1) + ""; |
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String max2 = MathUtils.clipDecimals(max, 1) + ""; |
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Rectangle2D rectangle2D = graphics2.getFontMetrics().getStringBounds(max2, g);
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graphics2.drawString(min2, canvas.getCanvasMinX(), canvas.getCanvasMinX() + 12);
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graphics2.drawString(max2, (int) (canvas.getWidth() - rectangle2D.getWidth() - canvas.getCanvasMinX()), canvas.getCanvasMinX() + 12); |
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if (statusRight != null) { |
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rectangle2D = graphics2.getFontMetrics().getStringBounds(statusRight, g); |
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graphics2.drawString(statusRight, (int) (canvas.getWidth() - rectangle2D.getWidth() - canvas.getCanvasMinX()), (int) canvas.getHeight() - canvas.getCanvasMinX()); |
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} |
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if (statusLeft != null) { |
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graphics2.drawString(statusLeft, canvas.getCanvasMinX(), (int) canvas.getHeight() - canvas.getCanvasMinX());
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} |
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ArrayList list = canvas.getDrawableElements(MinMaxLines.class);
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if (list.size() > 0) { |
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MinMaxLines minMaxLines = (MinMaxLines) list.get(0);
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double minP = min + (minMaxLines.getMinDistance() * (max - min));
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double maxP = min + (minMaxLines.getMaxDistance() * (max - min));
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min2 = MathUtils.clipDecimals(minP, 1) + ""; |
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max2 = MathUtils.clipDecimals(maxP, 1) + ""; |
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list = canvas.getDrawableElements(GraphicHistogram.class); |
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if (list.size() > 0) { |
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GraphicHistogram histogram = (GraphicHistogram) list.get(0);
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double[] ds = histogram.getHistogramValues(); |
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double total = 0.0D; |
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double totalmin = 0.0D; |
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double totalmax = 0.0D; |
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for (int i = 0; i < ds.length; i++) { |
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double value = min + (((double) (i * (max - min))) / (double) (ds.length - 1.0D)); |
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total += ds[i]; |
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if (minP > value)
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totalmin += ds[i]; |
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if (maxP < value)
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totalmax += ds[i]; |
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} |
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totalmin = (100.0D * totalmin) / total;
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totalmax = (100.0D * totalmax) / total;
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min2 = min2 + " (" + MathUtils.clipDecimals(totalmin, 2) + "%)"; |
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max2 = max2 + " (" + MathUtils.clipDecimals(totalmax, 2) + "%)"; |
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} |
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rectangle2D = graphics2.getFontMetrics().getStringBounds(max2, g); |
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if (statusLeft == null) |
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graphics2.drawString(min2, canvas.getCanvasMinX(), (int) canvas.getHeight() - canvas.getCanvasMinX());
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if (statusRight == null) |
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graphics2.drawString(max2, (int) (canvas.getWidth() - rectangle2D.getWidth() - canvas.getCanvasMinX()), (int) canvas.getHeight() - canvas.getCanvasMinX()); |
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} |
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} |
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/**
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* @return the min
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*/
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public double getMin() { |
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return min;
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} |
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/**
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* @return the max
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*/
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public double getMax() { |
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return max;
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} |
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/**
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* @param status the status to set
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*/
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public void setStatusRight(String statusRight) { |
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this.statusRight = statusRight;
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} |
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/**
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* @param statusLeft the statusLeft to set
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*/
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public void setStatusLeft(String statusLeft) { |
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this.statusLeft = statusLeft;
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} |
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public void firstDrawActions() {} |
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} |