Index: filefield.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/filefield/filefield.module,v
retrieving revision 1.191
diff -u -r1.191 filefield.module
--- filefield.module	12 Apr 2009 20:37:37 -0000	1.191
+++ filefield.module	13 Apr 2009 00:52:01 -0000
@@ -420,6 +420,20 @@
 }
 
 /**
+ * Implementation of CCK's hook_content_generate(). Used by generate.module.
+ */
+function filefield_content_generate($node, $field) {
+  module_load_include('inc', 'filefield', 'filefield.devel');
+
+  if (content_handle('widget', 'multiple values', $field) == CONTENT_HANDLE_MODULE) {
+    return content_devel_multiple('_filefield_content_generate', $node, $field);
+  }
+  else {
+    return _filefield_content_generate($node, $field);
+  }
+}
+
+/**
  * Determine the most appropriate icon for the given file's mimetype.
  *
  * @param $file
Index: filefield.devel.inc
===================================================================
RCS file: filefield.devel.inc
diff -N filefield.devel.inc
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ filefield.devel.inc	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,113 @@
+<?php
+// $Id$
+
+/**
+ * Private function used by filefield_content_generate().
+ */
+function _filefield_content_generate($node, $field) {
+  if ($source = _filefield_generate_file($field)) {
+    $file = field_file_save_file($source, array(), filefield_widget_file_path($field));
+
+    $item = (array) $file;
+    $item['list'] = 1;
+    $item['data']['alt'] = devel_create_greeking(10);
+    $item['data']['title'] = devel_create_greeking(10);
+  }
+  else {
+    $item = array();
+  }
+
+  return $item;
+}
+
+/**
+ * Generate an image based on the properties of a field.
+ *
+ * This is made to work with ImageField, and inspects the minimum and maximum
+ * image sizes and makes sure the generated image matches the requirements.
+ *
+ * @return
+ *   The path to the new file, in the temporary directory.
+ */
+function _filefield_generate_file($field) {
+  if (empty($field['widget']['file_extensions'])) {
+    $field['widget']['file_extensions'] = 'png jpg txt';
+  }
+
+  $extensions = array_intersect(explode(' ', $field['widget']['file_extensions']), array('png', 'jpg', 'txt'));
+  $extension = array_rand(drupal_map_assoc($extensions));
+
+  if ($extension == 'txt') {
+    $filesize = empty($field['widget']['max_filesize_per_file']) ? 1024 : parse_size($field['widget']['max_filesize_per_file']);
+    return _filefield_generate_textfile($filesize);
+  }
+  elseif (in_array($extension, array('png', 'jpg'))) {
+    $min_resolution = empty($field['widget']['min_resolution']) ? '100x100' : $field['widget']['min_resolution'];
+    $max_resolution = empty($field['widget']['max_resolution']) ? '600x600' : $field['widget']['max_resolution'];
+    return _filefield_generate_image($extension, $min_resolution, $max_resolution);
+  }
+
+  return FALSE;
+}
+
+function _filefield_generate_textfile($filesize = 1024) {
+  static $filesizes = array();
+
+  $temp_file = FALSE;
+  if (isset($filesizes[$filesize])) {
+    $temp_file = $filesizes[$filesize];
+  }
+  elseif ($temp_file = tempnam(file_directory_temp(), 'filefield_')) {
+    file_move($temp_file, $temp_file .'.txt');
+
+    $fp = fopen($temp_file, 'w');
+    fwrite($fp, str_repeat('01', $filesize/2));
+    fclose($fp);
+    $filesizes[$filesize] = $temp_file;
+  }
+
+  return $temp_file;
+}
+
+function _filefield_generate_image($extension = 'png', $min_resolution, $max_resolution) {
+  static $images = array();
+
+  // Generate a max of 5 different images.
+  if (!isset($images[$extension][$min_resolution][$max_resolution]) || count($images[$extension][$min_resolution][$max_resolution]) < 5) {
+    if ($temp_file = tempnam(file_directory_temp(), 'filefield_')) {
+      file_move($temp_file, $temp_file .'.'. $extension);
+
+      $min = explode('x', $min_resolution);
+      $max = explode('x', $max_resolution);
+
+      $width = rand((int)$min[0], (int)$max[0]);
+      $height = rand((int)$min[0], (int)$max[0]);
+
+      // Make a image split into 4 sections with random colors.
+      $im = imagecreate($width, $height);
+      for ($n = 0; $n < 4; $n++) {
+        $color = imagecolorallocate($im, rand(0, 255), rand(0, 255), rand(0, 255));
+        $x = $width/2 * ($n % 2);
+        $y = $height/2 * (int) ($n >= 2);
+        imagefilledrectangle($im, $x, $y, $x + $width/2, $y + $height/2, $color);
+      }
+
+      // Make a perfect circle in the image middle.
+      $color = imagecolorallocate($im, rand(0, 255), rand(0, 255), rand(0, 255));
+      $smaller_dimension = min($width, $height);
+      $smaller_dimension = ($smaller_dimension % 2) ? $smaller_dimension : $smaller_dimension;
+      imageellipse($im, $width/2, $height/2, $smaller_dimension, $smaller_dimension, $color);
+
+      $save_function = 'image'. ($extension == 'jpg' ? 'jpeg' : $extension);
+      $save_function($im, $temp_file);
+
+      $images[$extension][$min_resolution][$max_resolution][$temp_file] = $temp_file;
+    }
+  }
+  // Select one of the images we've already generated for this field.
+  else {
+    $temp_file = array_rand($images[$extension][$min_resolution][$max_resolution]);
+  }
+
+  return $temp_file;
+}