Ticket #29903: patch-src-modules-mod_png-mptr_png.cpp.diff

src/modules/mod_png/mptr_png.cpp

@@ -309 +309 @@
                                 float b=gamma().b_U8_to_F32((unsigned char)png_ptr->palette[row_pointers[y][x]].blue);
                                 float a=1.0;
                                 if(info_ptr->valid & PNG_INFO_tRNS)
-                                    a = (float)(unsigned char)png_ptr->trans[row_pointers[y][x]]*(1.0/255.0);
+                                    a = (float)(unsigned char)png_ptr->trans_alpha[row_pointers[y][x]]*(1.0/255.0);
                                 surface_buffer[y][x]=Color(
                                         r,
                                         g,