2144     png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);  in load_png_image()  local
2145     if (!png_ptr)  in load_png_image()
2147     png_infop info_ptr = png_create_info_struct(png_ptr);  in load_png_image()
2151     if (setjmp(png_jmpbuf(png_ptr)))  in load_png_image()
2154     png_init_io(png_ptr, fd);  in load_png_image()
2155     png_set_sig_bytes(png_ptr, SIZE_PNG_HEADER);  in load_png_image()
2156     png_set_user_limits(png_ptr, limits.max_width, limits.max_height);  in load_png_image()
2157     png_read_info(png_ptr, info_ptr);  in load_png_image()
2159     __u8 bit_depth = png_get_bit_depth(png_ptr, info_ptr);  in load_png_image()
2160     __u32 width = png_get_image_width(png_ptr, info_ptr);  in load_png_image()
2161     __u32 height = png_get_image_height(png_ptr, info_ptr);  in load_png_image()
2162     __u8 color_type = png_get_color_type(png_ptr, info_ptr);  in load_png_image()
2166         png_set_palette_to_rgb(png_ptr);  in load_png_image()
2167         png_set_filler(png_ptr, 128, PNG_FILLER_AFTER);  in load_png_image()
2171             png_set_expand_gray_1_2_4_to_8(png_ptr);  in load_png_image()
2172             if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))  in load_png_image()
2173                 png_set_tRNS_to_alpha(png_ptr);  in load_png_image()
2175             png_set_filler(png_ptr, 128, PNG_FILLER_AFTER);  in load_png_image()
2179         png_set_gray_to_rgb(png_ptr);  in load_png_image()
2182         png_set_filler(png_ptr, 128, PNG_FILLER_AFTER);  in load_png_image()
2185         png_set_bgr(png_ptr);  in load_png_image()
2193         png_set_strip_16(png_ptr);  in load_png_image()
2211     png_set_rows(png_ptr, info_ptr, row_pointers);  in load_png_image()
2212     png_read_update_info(png_ptr, info_ptr);  in load_png_image()
2213     img->rowbytes = png_get_rowbytes(png_ptr, info_ptr);  in load_png_image()
2215     png_read_image(png_ptr, row_pointers);  in load_png_image()
2216     png_read_end(png_ptr, NULL);  in load_png_image()
2218     png_destroy_read_struct(&png_ptr, &info_ptr, NULL);  in load_png_image()
2227     if (!png_ptr || !info_ptr)  in load_png_image()
2229     png_destroy_read_struct(&png_ptr, &info_ptr, NULL);  in load_png_image()