Method readContents

ij/src/main/java/ij/plugin/GIF_Reader.java:449–492

Main file parser. Reads GIF content blocks.

()

	 * Main file parser.  Reads GIF content blocks.
	 */
	private void readContents() {
		// read GIF file content blocks
		boolean done = false;
		while (!(done || err())) {
			int code = read();
			switch (code) {

				case 0x2C:	  // image separator
					readImage();
					break;

				case 0x21:	  // extension
					code = read();
					switch (code) {

						case 0xf9:	  // graphics control extension
							readGraphicControlExt();
							break;

						case 0xff:	  // application extension
							readBlock();
							String app = "";
							for (int i = 0; i < 11; i++)
								app += (char) block[i];
							if (app.equals("NETSCAPE2.0"))
								readNetscapeExt();
							else
								skip();		   // don't care
							break;

						default:	// uninteresting extension
							skip();
					}
					break;

				case 0x3b:	  // terminator
					done = true;
					break;

				default:
					status = STATUS_FORMAT_ERROR;
			  }
		}
	}


	/**