long generation pictures

[visavi]

I noticed that in some operating systems, for example windose 7, the generation of images takes a long time and even on centos with a version of php 5.6 image is generated 0.4 sec, is it possible to somehow speed this I did profiling and noticed multiple function call floor and ceil

[wfxiaolong]

up. ..

[sinute]

i got the same problem, with setInterpolation(false) speed up a lot

setInterpolation($interpolate), enable or disable the interpolation (enabled by default), disabling it will be quicker but the images will look uglier

may help you :)

[Gregwar]

Disabling distortion also helps

[luoziluojun]

it is too slow Thinkphp's captcha lib is better than this