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

Parameters

$image: An image object. The $image->resource value will populated by this call.

Return value

TRUE or FALSE, based on success.

See also

image_load()

Related topics

File

modules/system/image.gd.inc, line 255

Code

function image_gd_load(stdClass $image) {
    $extension = str_replace('jpg', 'jpeg', $image->info['extension']);
    $function = 'imagecreatefrom' . $extension;
    if (function_exists($function) && ($image->resource = $function($image->source))) {
        if (imageistruecolor($image->resource)) {
            return TRUE;
        }
        else {
            // Convert indexed images to truecolor, copying the image to a new
            // truecolor resource, so that filters work correctly and don't result
            // in unnecessary dither.
            $resource = image_gd_create_tmp($image, $image->info['width'], $image->info['height']);
            if ($resource) {
                imagecopy($resource, $image->resource, 0, 0, 0, 0, imagesx($resource), imagesy($resource));
                imagedestroy($image->resource);
                $image->resource = $resource;
            }
        }
        return (bool) $image->resource;
    }
    return FALSE;
}

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