Revision 19357 trunk/extensions/extRasterTools-SE/src/org/gvsig/raster/beans/canvas/layers/GraphicHistogram.java

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GraphicHistogram.java
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import java.awt.Graphics;
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import org.gvsig.raster.beans.canvas.DrawableElement;


  		




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/**


  		




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 * Gr?fica que representa un histograma con los valores pasados en el constructor 


  		




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 *


  		




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	public static final int TYPE_FILL = 2;


  		




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	private int             border    = 2; 


  		




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	//Valores de la funci?n a dibujar


  		




  
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	//Valores de la funci?n original


  		




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	private double[]         hValues = null;


  		




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	//Valores que se pintan en la gr?fica 


  		




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	private double[]            valuesY = null;


  		




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	 */


  		




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	public GraphicHistogram(double[] values, Color c) {


  		




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		setColor(c);


  		




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		this.hValues = values;


  		




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		max = Double.NEGATIVE_INFINITY;


  		




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		for (int i = 0; i < values.length; i++) {


  		




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			if (values[i] > max)


  		




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				max = values[i];


  		




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		}


  		




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		valuesY = new double[values.length];


  		




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		for (int i = 0; i < values.length; i++)


  		




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			valuesY[i] = 1.0D - (values[i] / max);


  		




  
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		setHistogramDrawed(values);


  		




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	}


  		




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	/*


  		




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						x1 = canvas.getCanvasMinX() + border;


  		




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					if (x2 > (canvas.getCanvasMaxX() - border))


  		




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						x2 = canvas.getCanvasMaxX() - border;


  		




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					x1 += 2;


  		




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					x2 -= 2;


  		




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					g.setColor(color);


  		




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					g.fillRect(x1, y1, x2 - x1, canvas.getCanvasMaxY() - border - y1);


  		




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				}


  		




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	 */


  		




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	public void setHistogramDrawed(double[] histogramDrawed) {


  		




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		hValues = histogramDrawed;


  		




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		firstDrawActions();


  		




  
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		max = Double.NEGATIVE_INFINITY;


  		




  
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		for (int i = 0; i < histogramDrawed.length; i++) {


  		




  
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			if (histogramDrawed[i] > max)


  		




  
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				max = histogramDrawed[i];


  		




  
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		}


  		




  
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		valuesY = new double[histogramDrawed.length];


  		




  
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		for (int i = 0; i < histogramDrawed.length; i++)


  		




  
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			valuesY[i] = histogramDrawed[i] / max;


  		




  
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		if (canvas != null)


  		




  
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			canvas.repaint();


  		




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	}


  		




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}


  		












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