/**
 * Copyright (c) 2011, The University of Southampton and the individual contributors.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *   *  Redistributions of source code must retain the above copyright notice,
 *      this list of conditions and the following disclaimer.
 *
 *   *  Redistributions in binary form must reproduce the above copyright notice,
 *      this list of conditions and the following disclaimer in the documentation
 *      and/or other materials provided with the distribution.
 *
 *   *  Neither the name of the University of Southampton nor the names of its
 *      contributors may be used to endorse or promote products derived from this
 *      software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
/**
 *
 */
package org.openimaj.vis.general;

import javax.media.opengl.GL;
import javax.media.opengl.GL2;
import javax.media.opengl.GLAutoDrawable;
import javax.media.opengl.fixedfunc.GLLightingFunc;
import javax.media.opengl.fixedfunc.GLMatrixFunc;
import javax.media.opengl.glu.GLU;
import javax.media.opengl.glu.GLUquadric;

import org.openimaj.image.colour.ColourMap;
import org.openimaj.image.colour.RGBColour;
import org.openimaj.vis.general.DotPlotVisualisation.ColouredDot;

/**
 *
 *
 * @author David Dupplaw (dpd@ecs.soton.ac.uk)
 * @created 11 Jul 2013
 * @version $Author$, $Revision$, $Date$
 */
public class DotPlotVisualisation3D extends XYZVisualisation3D<ColouredDot> implements ItemPlotter3D<ColouredDot>
{
        /** A colour map to use */
        private ColourMap colourMap = ColourMap.Autumn;

        /** Colour map range */
        private double colourMapMin = -1;

        /** Colour map range */
        private double colourMapMax = 1;

        /**
         *
         * @param width
         * @param height
         */
        public DotPlotVisualisation3D( final int width, final int height )
        {
                super( width, height, null );
                this.plotter = this;
        }

        /**
         *
         * @param x
         * @param y
         * @param z
         * @param size
         */
        public void addPoint( final double x, final double y, final double z, final double size )
        {
                Float[] c = RGBColour.RED;
                if( this.colourMap != null )
                        c = this.colourMap.apply( (float)((size-this.colourMapMin)/(this.colourMapMax-this.colourMapMin)) );
                this.data.add( new LocatedObject3D<ColouredDot>( x, y, z, new ColouredDot( size, c ) ) );
        }

        @Override
        public void renderRestarting()
        {
        }

        @Override
        public void plotObject( final GLAutoDrawable drawable,
                        final org.openimaj.vis.general.XYZVisualisation3D.LocatedObject3D<ColouredDot> object,
                        final AxesRenderer3D renderer )
        {
                final double[] p = renderer.calculatePosition( new double[]
                                { object.x, object.y, object.z } );

                final GL2 gl = drawable.getGL().getGL2();

                gl.glPushMatrix();

                // Translate to the position of the dot
                gl.glMatrixMode( GLMatrixFunc.GL_MODELVIEW );
                gl.glTranslated( p[0], p[1], p[2] );

                final double[] s = renderer.scaleDimension(
                        new double[] {object.object.size, object.object.size, object.object.size} );
                gl.glScaled( s[0], s[1], s[2] );

                // Create a sphere
                if( !this.isEnableLights() )
                        gl.glColor3f( object.object.colour[0], object.object.colour[1], object.object.colour[2] );
                else
                {
                final float[] rgba = { object.object.colour[0], object.object.colour[1], object.object.colour[2] };
                gl.glMaterialfv( GL.GL_FRONT, GLLightingFunc.GL_AMBIENT, rgba, 0);
                gl.glMaterialfv( GL.GL_FRONT, GLLightingFunc.GL_SPECULAR, rgba, 0);
                gl.glMaterialf( GL.GL_FRONT, GLLightingFunc.GL_SHININESS, 0.05f);
                }

                final GLUquadric qobj0 = this.glu.gluNewQuadric();
                this.glu.gluQuadricDrawStyle( qobj0, GLU.GLU_FILL );
                this.glu.gluQuadricNormals( qobj0, GLU.GLU_SMOOTH );
                this.glu.gluSphere( qobj0, 1, 12, 12 );
                this.glu.gluDeleteQuadric( qobj0 );

                gl.glPopMatrix();
        }

        @Override
        public void init( final GLAutoDrawable drawable )
        {
                super.init( drawable );

                final float eyeX = 0.5f, eyeY = 1f, eyeZ = 0f;
                final float lookAtX = 0f, lookAtY = 0, lookAtZ = 0;
                final float upX = 0, upY = 1, upZ = 0;
                this.glu.gluLookAt( eyeX, eyeY, eyeZ, lookAtX, lookAtY, lookAtZ, upX, upY, upZ );

                // Instantiate the camera mover
                this.cameraPosition = new RotatingCameraProvider(
                                eyeX, eyeY, eyeZ,
                                lookAtX, lookAtY, lookAtZ,
                                0.0004f, 0.0001f, 0.0002f, 0.75f, 0.75f, 1f );
        }

        /**
         *      @return the colourMap
         */
        public ColourMap getColourMap()
        {
                return this.colourMap;
        }

        /**
         *      @param colourMap the colourMap to set
         */
        public void setColourMap( final ColourMap colourMap )
        {
                this.colourMap = colourMap;
        }

        /**
         *      @return the colourMapRange
         */
        public double getColourMapMin()
        {
                return this.colourMapMin;
        }

        /**
         *      @param colourMapRange the colourMapRange to set
         */
        public void setColourMapMin( final double colourMapRange )
        {
                this.colourMapMin = colourMapRange;
        }

        /**
         *      @return the colourMapMax
         */
        public double getColourMapMax()
        {
                return this.colourMapMax;
        }

        /**
         *      @param colourMapMax the colourMapMax to set
         */
        public void setColourMapMax( final double colourMapMax )
        {
                this.colourMapMax = colourMapMax;
        }

        /**
         *      @param min
         *      @param max
         */
        public void setColourMapRange( final double min, final double max )
        {
                this.colourMapMin = min;
                this.colourMapMax = max;
        }

        /**
         * @param args
         */
        public static void main( final String[] args )
        {
                final DotPlotVisualisation3D dpv = new DotPlotVisualisation3D( 1000, 600 );
                dpv.getAxesRenderer().setAxesRanges( -1, 1, -1, 1, -1, 1 );
                dpv.setColourMapRange( 0, 0.1 );
                dpv.setEnableLights( false );

                for( int i = 0; i < 100; i++ )
                        dpv.addPoint( (Math.random() - 0.5) * 2, (Math.random() - 0.5) * 2,
                                        (Math.random() - 0.5) * 2, Math.random() / 10 );
        }
}