protected void initializeTexture(DrawContext dc) { Texture iconTexture = dc.getTextureCache().getTexture(this.getIconFilePath()); if (iconTexture != null) return; try { InputStream iconStream = this.getClass().getResourceAsStream("/" + this.getIconFilePath()); if (iconStream == null) { File iconFile = new File(this.iconFilePath); if (iconFile.exists()) { iconStream = new FileInputStream(iconFile); } } iconTexture = TextureIO.newTexture(iconStream, false, null); iconTexture.bind(); this.iconWidth = iconTexture.getWidth(); this.iconHeight = iconTexture.getHeight(); dc.getTextureCache().put(this.getIconFilePath(), iconTexture); } catch (IOException e) { String msg = Logging.getMessage("layers.IOExceptionDuringInitialization"); Logging.logger().severe(msg); throw new WWRuntimeException(msg, e); } GL gl = dc.getGL(); gl.glTexParameteri( GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR); // _MIPMAP_LINEAR); gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR); gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE); gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE); // Enable texture anisotropy, improves "tilted" world map quality. int[] maxAnisotropy = new int[1]; gl.glGetIntegerv(GL.GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, maxAnisotropy, 0); gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAX_ANISOTROPY_EXT, maxAnisotropy[0]); }