Lines Matching defs:write_data_fn
31 if (png_ptr->write_data_fn != NULL )
32 (*(png_ptr->write_data_fn))(png_ptr, data, length);
149 write_data_fn - pointer to a new output function that takes as its
166 png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn)
171 if (write_data_fn != NULL)
172 png_ptr->write_data_fn = write_data_fn;
174 png_ptr->write_data_fn = png_default_write_data;
176 png_ptr->write_data_fn = write_data_fn;
195 "Attempted to set both read_data_fn and write_data_fn in");