SegsLineDrawerGL.java

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/*
 * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
 * Copyright (C) 2007 - INRIA - Jean-Baptiste Silvy
 * desc : Class drawing the line part of arrows 
 * 
 * This file must be used under the terms of the CeCILL.
 * This source file is licensed as described in the file COPYING, which
 * you should have received as part of this distribution.  The terms
 * are also available at    
 * http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
 *
 */


package org.scilab.modules.renderer.segsDrawing;

import javax.media.opengl.GL;

import org.scilab.modules.renderer.drawers.LineDrawerGL;
import org.scilab.modules.renderer.utils.glTools.GLTools;

public class SegsLineDrawerGL extends LineDrawerGL {

        
        public SegsLineDrawerGL() {
                super();
        }
        
        public void setLineParameters(float thickness, int lineStyle) {
                // colors is specified for each segment
                super.setLineParameters(0, thickness, lineStyle);
        }
        
        public void drawSegs(double[] startXCoords, double[] endXCoords, double[] startYCoords, double[] endYCoords,
                                                 double[] startZCoords, double[] endZCoords, int[] colors) {
                int nbSegs = startXCoords.length;
                GL gl = getGL();
                
                GLTools.beginDashMode(gl, getLineStyle(), getThickness());
                
                gl.glBegin(GL.GL_LINES);
                
                for (int i = 0; i < nbSegs; i++) {
                        int sciColorIndex = getColorMap().convertScilabToColorMapIndex(colors[i]);
                        double[] curColor = getColorMap().getColor(sciColorIndex);
                        gl.glColor3d(curColor[0], curColor[1], curColor[2]);
                        
                        gl.glVertex3d(startXCoords[i], startYCoords[i], startZCoords[i]);
                        gl.glVertex3d(endXCoords[i], endYCoords[i], endZCoords[i]);
                }
                
                gl.glEnd();
                
                GLTools.endDashMode(gl);
                
        }
        
}

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