Method makeGraphics

core/src/processing/core/PApplet.java:2242–2340

Version of createGraphics() used internally. @param path A path (or null if none), can be absolute or relative (PApplet#savePath will be called)

(int w, int h,
                                   String renderer, String path,
                                   boolean primary)

   * @param path A path (or null if none), can be absolute or relative ({@link PApplet#savePath} will be called)
   */
  protected PGraphics makeGraphics(int w, int h,
                                   String renderer, String path,
                                   boolean primary) {
//    String openglError = external ?
//      // This first one should no longer be possible
//      "Before using OpenGL, first select " +
//      "Import Library > OpenGL from the Sketch menu." :
//       // Welcome to Java programming! The training wheels are off.
//      "The Java classpath and native library path is not " +
//      "properly set for using the OpenGL library.";

    if (!primary && !g.isGL()) {
      if (renderer.equals(P2D)) {
        throw new RuntimeException("createGraphics() with P2D requires size() to use P2D or P3D");
      } else if (renderer.equals(P3D)) {
        throw new RuntimeException("createGraphics() with P3D or OPENGL requires size() to use P2D or P3D");
      }
    }

    try {
      Class<?> rendererClass =
        Thread.currentThread().getContextClassLoader().loadClass(renderer);

      Constructor<?> constructor = rendererClass.getConstructor(new Class[] { });
      PGraphics pg = (PGraphics) constructor.newInstance();

      pg.setParent(this);
      pg.setPrimary(primary);
      if (path != null) {
        pg.setPath(savePath(path));
      }
//      pg.setQuality(sketchQuality());
//      if (!primary) {
//        surface.initImage(pg, w, h);
//      }
      pg.setSize(w, h);

      // everything worked, return it
      return pg;

    } catch (InvocationTargetException ite) {
      String msg = ite.getTargetException().getMessage();
      if ((msg != null) &&
          (msg.indexOf("no jogl in java.library.path") != -1)) {
        // Is this true anymore, since the JARs contain the native libs?
        throw new RuntimeException("The jogl library folder needs to be " +
          "specified with -Djava.library.path=/path/to/jogl");

      } else {
        printStackTrace(ite.getTargetException());
        Throwable target = ite.getTargetException();
        /*
        // removing for 3.2, we'll see
        if (platform == MACOSX) {
          target.printStackTrace(System.out);  // OS X bug (still true?)
        }
        */
        throw new RuntimeException(target.getMessage());