CCNA, CCNP, MCSA, CCNA Final Exam, All Answer Test Module With 100/100

I'm trying to convert PDF to IMG (JPG) with help PHP.

I want to convert RGB image into Below Image. I am using ImageMagick Library . I want help to know that by which functions i can convert in Original Image into Image-2. Here is below two images. I would like to use Only ImageMagick Library. I would like to do Image Processing simillar to this Link in Objective C.