function image_scale_and_crop in Drupal 7

Same name and namespace in other branches

1. 6 includes/image.inc \image_scale_and_crop()

Scales an image to the exact width and height given.

This function achieves the target aspect ratio by cropping the original image equally on both sides, or equally on the top and bottom. This function is useful to create uniform sized avatars from larger images.

The resulting image always has the exact target dimensions.

Parameters

$image: An image object returned by image_load().

$width: The target width, in pixels.

$height: The target height, in pixels.

Return value

TRUE on success, FALSE on failure.

See also

image_load()

image_resize()

image_crop()

Related topics

2 calls to image_scale_and_crop()

ImageToolkitUnitTest::testScaleAndCrop in modules/simpletest/tests/image.test

Test the image_scale_and_crop() function.

image_scale_and_crop_effect in modules/image/image.effects.inc

Image effect callback; Scale and crop an image resource.

File

includes/image.inc, line 169

API for manipulating images.

Code

function image_scale_and_crop(stdClass $image, $width, $height) {
  $scale = max($width / $image->info['width'], $height / $image->info['height']);
  $x = ($image->info['width'] * $scale - $width) / 2;
  $y = ($image->info['height'] * $scale - $height) / 2;
  if (image_resize($image, $image->info['width'] * $scale, $image->info['height'] * $scale)) {
    return image_crop($image, $x, $y, $width, $height);
  }
  return FALSE;
}