function image_gd_open in Drupal 4

Same name and namespace in other branches

1. 5 includes/image.inc \image_gd_open()
2. 6 includes/image.gd.inc \image_gd_open()

GD helper function to create an image resource from a file.

3 calls to image_gd_open()

image_gd_crop in includes/image.inc

Crop an image using the GD toolkit.

image_gd_resize in includes/image.inc

Scale an image to the specified size using GD.

image_gd_rotate in includes/image.inc

Rotate an image the given number of degrees.

File

includes/image.inc, line 296

Code

function image_gd_open($file, $extension) {
  $extension = str_replace('jpg', 'jpeg', $extension);
  $open_func = 'imageCreateFrom' . $extension;
  if (!function_exists($open_func)) {
    return false;
  }
  return $open_func($file);
}