/***********************************************************************

 * mt4j Copyright (c) 2008 - 2010 Christopher Ruff, Fraunhofer-Gesellschaft All rights reserved.

 *  

 *   This program is free software: you can redistribute it and/or modify

 *   it under the terms of the GNU General Public License as published by

 *   the Free Software Foundation, either version 3 of the License, or

 *   (at your option) any later version.

 *

 *   This program is distributed in the hope that it will be useful,

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *   GNU General Public License for more details.

 *

 *   You should have received a copy of the GNU General Public License

 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.

 *

 ***********************************************************************/

package org.mt4j.util.opengl;



import org.mt4j.util.opengl.GLTexture.EXPANSION_FILTER;

import org.mt4j.util.opengl.GLTexture.SHRINKAGE_FILTER;

import org.mt4j.util.opengl.GLTexture.TEXTURE_TARGET;

import org.mt4j.util.opengl.GLTexture.WRAP_MODE;





/**

 * The Class GLTextureSettings.

 *

 * @author Christopher Ruff

 */

public class GLTextureSettings {

	

	/** The shrink filter. */

	public SHRINKAGE_FILTER shrinkFilter;

	

	/** The expansion filter. */

	public EXPANSION_FILTER expansionFilter;

	

	/** The wrapping horizontal. */

	public WRAP_MODE wrappingHorizontal;

	

	/** The wrapping vertical. */

	public WRAP_MODE wrappingVertical;

	

	/** The target. */

	public TEXTURE_TARGET target;

	

//	public INTERNAL_FORMAT textureInternalFormat;

	

	//INFO we may not use mip maps by default because in abstractshape we would create a gltexture form a pimage automatically

	//but we will un normalize the tex coords while they should still be normalized if we use gluBuildMipmaps2d which scales NPOT tex to POT

    

    /**

 * Instantiates a new gL texture settings.

 */

public GLTextureSettings(){

    	this(TEXTURE_TARGET.TEXTURE_2D, SHRINKAGE_FILTER.BilinearNoMipMaps, EXPANSION_FILTER.Bilinear, WRAP_MODE.CLAMP_TO_EDGE, WRAP_MODE.CLAMP_TO_EDGE);

    }

    

    /**

     * Instantiates a new gL texture settings.

     *

     * @param target the target

     * @param shrinkFilter the shrink filter

     * @param expansionFilter the expansion filter

     * @param wrappingHorizontal the wrapping horizontal

     * @param wrappingVertical the wrapping vertical

     */

    public GLTextureSettings(TEXTURE_TARGET target, SHRINKAGE_FILTER shrinkFilter, EXPANSION_FILTER expansionFilter, WRAP_MODE wrappingHorizontal, WRAP_MODE wrappingVertical){

    	this.target = target;

		

		// Filter mode

		this.shrinkFilter 		= shrinkFilter;

		this.expansionFilter 	= expansionFilter;

		

		// Texture Wrapping mode

		this.wrappingHorizontal = wrappingHorizontal; //TODO use clamp_to_edge - but what examples etc would that break?

		this.wrappingVertical 	= wrappingVertical;

    }

    

    

    /* (non-Javadoc)

     * @see java.lang.Object#equals(java.lang.Object)

     */

    @Override

    public boolean equals(Object obj) {

//    	return super.equals(obj);

    	

    	if (obj instanceof GLTextureSettings) {

			GLTextureSettings settings = (GLTextureSettings) obj;

			return( 

					this.target == settings.target

					&& this.shrinkFilter == settings.shrinkFilter

					&& this.expansionFilter == settings.expansionFilter

					&& this.wrappingHorizontal == settings.wrappingHorizontal

					&& this.wrappingVertical == settings.wrappingVertical

//					&& this.textureInternalFormat == settings.textureInternalFormat //FIXME REMOVE!?

			);

		}else{

			return false;

		}

    }

	



}