1--TEST-- 2Bug #79068 (gdTransformAffineCopy() changes interpolation method) 3--EXTENSIONS-- 4gd 5--FILE-- 6<?php 7$src = imagecreatetruecolor(100, 100); 8imagefilledrectangle($src, 0, 0, 99, 99, 0xffffff); 9imageline($src, 10, 10, 90, 90, 0x000000); 10imagesetinterpolation($src, IMG_BSPLINE); 11imageaffine($src, [1, 1, 1, 1, 1, 1]); 12var_dump(imagegetinterpolation($src) === IMG_BSPLINE); 13?> 14--EXPECT-- 15bool(true) 16