6 calls to image_load()

file_validate_image_resolution in drupal/includes/file.inc
Verifies that image dimensions are within the specified maximum and minimum.
ImageToolkitGdTestCase::testManipulations in drupal/modules/simpletest/tests/image.test
Since PHP can't visually check that our images have been manipulated properly, build a list of expected color values for each of the corners and the expected height and widths for the final images.
ImageToolkitGdTestCase::testTransparentColorOutOfRange in drupal/modules/simpletest/tests/image.test
Tests loading an image whose transparent color index is out of range.
ImageToolkitUnitTest::testLoad in drupal/modules/simpletest/tests/image.test
Test the image_load() function.
image_style_create_derivative in drupal/modules/image/image.module
Creates a new image derivative based on an image style.
image_style_deliver in drupal/modules/image/image.module
Page callback: Generates a derivative, given a style and image path.