game.engine.gfx.Texture.java Source code

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Here is the source code for game.engine.gfx.Texture.java

Source

/**
 * Copyright (c) 2010 Martin Geisse
 *
 * This file is distributed under the terms of the MIT license.
 */

package game.engine.gfx;

import org.lwjgl.opengl.GL11;

/**
 * Represents a texture and provides OpenGL texture handling functions.
 */
public final class Texture {

    /**
     * the slickTexture
     */
    private final org.newdawn.slick.opengl.Texture slickTexture;

    /**
     * Constructor.
     * 
     * Note that this constructor changes the currently active texture unit
     * to GL_TEXTURE_2D to set the texture parameters.
     * 
     * @param slickTexture the wrapped Slick texture
     */
    public Texture(final org.newdawn.slick.opengl.Texture slickTexture) {
        this.slickTexture = slickTexture;
        glBindTexture();
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_CLAMP);
    }

    /**
     * Calls glBindTexture() on this texture.
     */
    public void glBindTexture() {
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, slickTexture.getTextureID());
    }

    /**
     * Getter method for the width.
     * @return the width
     */
    public int getWidth() {
        return slickTexture.getImageWidth();
    }

    /**
     * Getter method for the height.
     * @return the height
     */
    public int getHeight() {
        return slickTexture.getImageHeight();
    }

}