ios - Japanese Woodblock Effect using CoreImage or GPUImage -


i trying create app simulates woodblock print effect similar app moku hanga. have tried many combinations of built in coreimage , gpuimage filters have not had success. don't have experience opengl , glsl, understand possible write custom coreimage kernels in ios8 , custom fragment shaders in gpuimage. learning more ios graphics pipeline , opengl es shaders, i'll still have understand more image manipulation can mimic effect.

does have recommendations on how simulate moku hanga effect using 1 of these frameworks or approaches (filter composition or custom shader)?


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