#!/usr/bin/php5 <?php $img = pipi_load_stock("random:128x128"); $img = pipi_gaussian_blur($img, 10); $img = pipi_contrast($img, 0.98); $histogram = pipi_new_histogram(); $histogram_img = pipi_new(320, 200); pipi_get_image_histogram($img, $histogram, 1); pipi_render_histogram($img_histogram, $histogram, 1); pipi_save($histogram_img, "out.png"); ?>