262 png_do_invert(png_row_infop row_info, png_bytep row)  in png_do_invert()  argument
269    if (row_info->color_type == PNG_COLOR_TYPE_GRAY)  in png_do_invert()
273       size_t istop = row_info->rowbytes;  in png_do_invert()
282    else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&  in png_do_invert()
283       row_info->bit_depth == 8)  in png_do_invert()
287       size_t istop = row_info->rowbytes;  in png_do_invert()
297    else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&  in png_do_invert()
298       row_info->bit_depth == 16)  in png_do_invert()
302       size_t istop = row_info->rowbytes;  in png_do_invert()
319 png_do_swap(png_row_infop row_info, png_bytep row)  in png_do_swap()  argument
323    if (row_info->bit_depth == 16)  in png_do_swap()
327       png_uint_32 istop= row_info->width * row_info->channels;  in png_do_swap()
455 png_do_packswap(png_row_infop row_info, png_bytep row)  in png_do_packswap()  argument
459    if (row_info->bit_depth < 8)  in png_do_packswap()
464       end = row + row_info->rowbytes;  in png_do_packswap()
466       if (row_info->bit_depth == 1)  in png_do_packswap()
469       else if (row_info->bit_depth == 2)  in png_do_packswap()
472       else if (row_info->bit_depth == 4)  in png_do_packswap()
495 png_do_strip_channel(png_row_infop row_info, png_bytep row, int at_start)  in png_do_strip_channel()  argument
499    png_bytep ep = row + row_info->rowbytes; /* One beyond end of row */  in png_do_strip_channel()
510    if (row_info->channels == 2)  in png_do_strip_channel()
512       if (row_info->bit_depth == 8)  in png_do_strip_channel()
527          row_info->pixel_depth = 8;  in png_do_strip_channel()
530       else if (row_info->bit_depth == 16)  in png_do_strip_channel()
544          row_info->pixel_depth = 16;  in png_do_strip_channel()
550       row_info->channels = 1;  in png_do_strip_channel()
553       if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)  in png_do_strip_channel()
554          row_info->color_type = PNG_COLOR_TYPE_GRAY;  in png_do_strip_channel()
558    else if (row_info->channels == 4)  in png_do_strip_channel()
560       if (row_info->bit_depth == 8)  in png_do_strip_channel()
575          row_info->pixel_depth = 24;  in png_do_strip_channel()
578       else if (row_info->bit_depth == 16)  in png_do_strip_channel()
595          row_info->pixel_depth = 48;  in png_do_strip_channel()
601       row_info->channels = 3;  in png_do_strip_channel()
604       if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)  in png_do_strip_channel()
605          row_info->color_type = PNG_COLOR_TYPE_RGB;  in png_do_strip_channel()
612    row_info->rowbytes = (size_t)(dp-row);  in png_do_strip_channel()
619 png_do_bgr(png_row_infop row_info, png_bytep row)  in png_do_bgr()  argument
623    if ((row_info->color_type & PNG_COLOR_MASK_COLOR) != 0)  in png_do_bgr()
625       png_uint_32 row_width = row_info->width;  in png_do_bgr()
626       if (row_info->bit_depth == 8)  in png_do_bgr()
628          if (row_info->color_type == PNG_COLOR_TYPE_RGB)  in png_do_bgr()
641          else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)  in png_do_bgr()
656       else if (row_info->bit_depth == 16)  in png_do_bgr()
658          if (row_info->color_type == PNG_COLOR_TYPE_RGB)  in png_do_bgr()
674          else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)  in png_do_bgr()
699 png_do_check_palette_indexes(png_structrp png_ptr, png_row_infop row_info)  in png_do_check_palette_indexes()  argument
701    if (png_ptr->num_palette < (1 << row_info->bit_depth) &&  in png_do_check_palette_indexes()
710       int padding = PNG_PADBITS(row_info->pixel_depth, row_info->width);  in png_do_check_palette_indexes()
711       png_bytep rp = png_ptr->row_buf + row_info->rowbytes - 1;  in png_do_check_palette_indexes()
713       switch (row_info->bit_depth)  in png_do_check_palette_indexes()