png_set_tRNS_to_alpha

Name

png_set_tRNS_to_alpha -- set expansion transformation

Synopsis

#include <png.h>

void png_set_tRNS_to_alpha(png_structp png_ptr);

Description

png_set_tRNS_to_alpha() shall set transformation in png_ptr such that tRNS chunks are expanded to alpha channels. png_set_tRNS_to_alpha() is actually an alias for png_set_expand().