JavaBasicGLNode/GLTextureable.java at master · andrew-smith/JavaBasicGLNode · GitHub

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importcom.sun.opengl.util.texture.Texture;
importcom.sun.opengl.util.texture.TextureIO;
importjava.io.File;
importjava.io.IOException;
importjava.util.logging.Level;
importjava.util.logging.Logger;
importjavax.media.opengl.GL;
importjavax.media.opengl.GLException;

/**
 * Defines a textureable object
 * @author Andrew
 */
publicabstractclassGLTextureableimplementsGLRenderable
{

/* Texture object to load */
privateTexturetexture;

/** The filename of the texture to bind */
privateStringfileName;

/**
 * Creates default GLTexturable object
 */
publicGLTextureable()
 {
texture = null;
 }


/**
 * Sets the file for this texture to be applied from
 * @param file the file name
 */
publicvoidsetFileName(Stringfile)
 {
this.fileName = file;
 }

/**
 * Checks if the texture has been loaded
 * @return true if texture is ready to use - false if not.
 */
publicbooleantextureLoaded()
 {
returntexture != null;
 }

/**
 * Binds the texture
 * @param gl
 */
publicvoidbindTexture(GLgl)
 {
if(texture != null)
 {
gl.glEnable (GL.GL_BLEND);
gl.glBlendFunc (GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
gl.glEnable(GL.GL_TEXTURE_2D);
texture.enable();
texture.bind();
 }
 }


/**
 * Unbinds the texture
 * @param gl
 */
publicvoidunbindTexture(GLgl)
 {
if(texture != null)
 {
gl.glDisable(GL.GL_TEXTURE_2D);
gl.glBlendFunc (GL.GL_ONE, GL.GL_ZERO);
gl.glDisable (GL.GL_BLEND);
texture.disable();
 }
 }


/**
 * Inits the texture file
 * @param gl
 */
publicvoidinit(GLgl)
 {
try
 {
if(fileName != null)
texture = TextureIO.newTexture(newFile(fileName), false);
 }
catch (IOExceptionex)
 {
Logger.getLogger(GLTextureable.class.getName()).log(Level.SEVERE, null, ex);
 }
catch (GLExceptionex)
 {
Logger.getLogger(GLTextureable.class.getName()).log(Level.SEVERE, null, ex);
 }
 }

}