Method doOpen

src/main/java/fieldbox/Open.java:472–487

(Box root, String filename)

			IO.Document doc = FieldBox.fieldBox.io.readDocument(new File(filename).isAbsolute() ? filename : (IO.WORKSPACE + "/" + filename), special, created);
			Log.println("io.debug", "created :" + created);
		}
		Drawing.dirty(root);

		return created;

	}

	public boolean defaultGLPreamble(int pass) {


		GraphicsContext.getContext().stateTracker.viewport.set(new int[]{0, 0, window.getFrameBufferWidth(), window.getFrameBufferHeight()});
		GraphicsContext.getContext().stateTracker.scissor.set(new int[]{0, 0, window.getFrameBufferWidth(), window.getFrameBufferHeight()});
		glClearColor((float) window.background.x, (float) window.background.y, (float) window.background.z, 1);
		glClear(GL11.GL_COLOR_BUFFER_BIT);
		glEnable(GL11.GL_BLEND);
		glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
		glDisable(GL11.GL_DEPTH_TEST);
		if (Main.os != Main.OS.mac) glEnable(GL13.GL_MULTISAMPLE);