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function image_gd_open in Drupal 6

Same name and namespace in other branches
  1. 4 includes/image.inc \image_gd_open()
  2. 5 includes/image.inc \image_gd_open()

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

Parameters

$file: A string file path where the iamge should be saved.

$extension: A string containing one of the following extensions: gif, jpg, jpeg, png.

Return value

An image resource, or FALSE on error.

Related topics

3 calls to image_gd_open()
image_gd_crop in includes/image.gd.inc
Crop an image using the GD toolkit.
image_gd_resize in includes/image.gd.inc
Scale an image to the specified size using GD.
image_gd_rotate in includes/image.gd.inc
Rotate an image the given number of degrees.

File

includes/image.gd.inc, line 183
GD2 toolkit for image manipulation within Drupal.

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);
}