shadingpattern - Robuta Search

https://pdfium.googlesource.com/pdfium/+/660de3c494b68a574cb4cdf20359f51ddc260d3c/core/fpdfapi/fpdf_page/cpdf_shadingpattern.cpp core/fpdfapi/fpdf_page/cpdf_shadingpattern.cpp - pdfium - Git at Google core fpdf