205 png_do_invert(png_row_infop row_info, png_bytep row)  in png_do_invert()  argument
213    if (row == NULL || row_info == NULL)  in png_do_invert()
216    if (row_info->color_type == PNG_COLOR_TYPE_GRAY)  in png_do_invert()
220       png_uint_32 istop = row_info->rowbytes;  in png_do_invert()
228    else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&  in png_do_invert()
229       row_info->bit_depth == 8)  in png_do_invert()
233       png_uint_32 istop = row_info->rowbytes;  in png_do_invert()
241    else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&  in png_do_invert()
242       row_info->bit_depth == 16)  in png_do_invert()
246       png_uint_32 istop = row_info->rowbytes;  in png_do_invert()
261 png_do_swap(png_row_infop row_info, png_bytep row)  in png_do_swap()  argument
267        row != NULL && row_info != NULL &&  in png_do_swap()
269        row_info->bit_depth == 16)  in png_do_swap()
273       png_uint_32 istop= row_info->width * row_info->channels;  in png_do_swap()
393 png_do_packswap(png_row_infop row_info, png_bytep row)  in png_do_packswap()  argument
399        row != NULL && row_info != NULL &&  in png_do_packswap()
401        row_info->bit_depth < 8)  in png_do_packswap()
405       end = row + row_info->rowbytes;  in png_do_packswap()
407       if (row_info->bit_depth == 1)  in png_do_packswap()
409       else if (row_info->bit_depth == 2)  in png_do_packswap()
411       else if (row_info->bit_depth == 4)  in png_do_packswap()
426 png_do_strip_filler(png_row_infop row_info, png_bytep row, png_uint_32 flags)  in png_do_strip_filler()  argument
431    if (row != NULL && row_info != NULL)  in png_do_strip_filler()
436       png_uint_32 row_width=row_info->width;  in png_do_strip_filler()
439       if ((row_info->color_type == PNG_COLOR_TYPE_RGB ||  in png_do_strip_filler()
440           (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA &&  in png_do_strip_filler()
442           row_info->channels == 4)  in png_do_strip_filler()
444          if (row_info->bit_depth == 8)  in png_do_strip_filler()
469             row_info->pixel_depth = 24;  in png_do_strip_filler()
470             row_info->rowbytes = row_width * 3;  in png_do_strip_filler()
515             row_info->pixel_depth = 48;  in png_do_strip_filler()
516             row_info->rowbytes = row_width * 6;  in png_do_strip_filler()
518          row_info->channels = 3;  in png_do_strip_filler()
520       else if ((row_info->color_type == PNG_COLOR_TYPE_GRAY ||  in png_do_strip_filler()
521          (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&  in png_do_strip_filler()
523           row_info->channels == 2)  in png_do_strip_filler()
525          if (row_info->bit_depth == 8)  in png_do_strip_filler()
545             row_info->pixel_depth = 8;  in png_do_strip_filler()
546             row_info->rowbytes = row_width;  in png_do_strip_filler()
571             row_info->pixel_depth = 16;  in png_do_strip_filler()
572             row_info->rowbytes = row_width * 2;  in png_do_strip_filler()
574          row_info->channels = 1;  in png_do_strip_filler()
577         row_info->color_type &= ~PNG_COLOR_MASK_ALPHA;  in png_do_strip_filler()
585 png_do_bgr(png_row_infop row_info, png_bytep row)  in png_do_bgr()  argument
591        row != NULL && row_info != NULL &&  in png_do_bgr()
593        (row_info->color_type & PNG_COLOR_MASK_COLOR))  in png_do_bgr()
595       png_uint_32 row_width = row_info->width;  in png_do_bgr()
596       if (row_info->bit_depth == 8)  in png_do_bgr()
598          if (row_info->color_type == PNG_COLOR_TYPE_RGB)  in png_do_bgr()
610          else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)  in png_do_bgr()
623       else if (row_info->bit_depth == 16)  in png_do_bgr()
625          if (row_info->color_type == PNG_COLOR_TYPE_RGB)  in png_do_bgr()
640          else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)  in png_do_bgr()