176 png_do_invert(png_row_infop row_info, png_bytep row)  in png_do_invert()  argument
183    if (row == NULL || row_info == NULL)  in png_do_invert()
186    if (row_info->color_type == PNG_COLOR_TYPE_GRAY)  in png_do_invert()
190       png_uint_32 istop = row_info->rowbytes;  in png_do_invert()
198    else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&  in png_do_invert()
199       row_info->bit_depth == 8)  in png_do_invert()
203       png_uint_32 istop = row_info->rowbytes;  in png_do_invert()
211    else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&  in png_do_invert()
212       row_info->bit_depth == 16)  in png_do_invert()
216       png_uint_32 istop = row_info->rowbytes;  in png_do_invert()
231 png_do_swap(png_row_infop row_info, png_bytep row)  in png_do_swap()  argument
236        row != NULL && row_info != NULL &&  in png_do_swap()
238        row_info->bit_depth == 16)  in png_do_swap()
242       png_uint_32 istop= row_info->width * row_info->channels;  in png_do_swap()
362 png_do_packswap(png_row_infop row_info, png_bytep row)  in png_do_packswap()  argument
367        row != NULL && row_info != NULL &&  in png_do_packswap()
369        row_info->bit_depth < 8)  in png_do_packswap()
373       end = row + row_info->rowbytes;  in png_do_packswap()
375       if (row_info->bit_depth == 1)  in png_do_packswap()
377       else if (row_info->bit_depth == 2)  in png_do_packswap()
379       else if (row_info->bit_depth == 4)  in png_do_packswap()
394 png_do_strip_filler(png_row_infop row_info, png_bytep row, png_uint_32 flags)  in png_do_strip_filler()  argument
398    if (row != NULL && row_info != NULL)  in png_do_strip_filler()
403       png_uint_32 row_width=row_info->width;  in png_do_strip_filler()
406       if ((row_info->color_type == PNG_COLOR_TYPE_RGB ||  in png_do_strip_filler()
407          (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA &&  in png_do_strip_filler()
409          row_info->channels == 4)  in png_do_strip_filler()
411          if (row_info->bit_depth == 8)  in png_do_strip_filler()
436             row_info->pixel_depth = 24;  in png_do_strip_filler()
437             row_info->rowbytes = row_width * 3;  in png_do_strip_filler()
482             row_info->pixel_depth = 48;  in png_do_strip_filler()
483             row_info->rowbytes = row_width * 6;  in png_do_strip_filler()
485          row_info->channels = 3;  in png_do_strip_filler()
487       else if ((row_info->color_type == PNG_COLOR_TYPE_GRAY ||  in png_do_strip_filler()
488          (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&  in png_do_strip_filler()
490           row_info->channels == 2)  in png_do_strip_filler()
492          if (row_info->bit_depth == 8)  in png_do_strip_filler()
512             row_info->pixel_depth = 8;  in png_do_strip_filler()
513             row_info->rowbytes = row_width;  in png_do_strip_filler()
538             row_info->pixel_depth = 16;  in png_do_strip_filler()
539             row_info->rowbytes = row_width * 2;  in png_do_strip_filler()
541          row_info->channels = 1;  in png_do_strip_filler()
544         row_info->color_type &= ~PNG_COLOR_MASK_ALPHA;  in png_do_strip_filler()
552 png_do_bgr(png_row_infop row_info, png_bytep row)  in png_do_bgr()  argument
557        row != NULL && row_info != NULL &&  in png_do_bgr()
559        (row_info->color_type & PNG_COLOR_MASK_COLOR))  in png_do_bgr()
561       png_uint_32 row_width = row_info->width;  in png_do_bgr()
562       if (row_info->bit_depth == 8)  in png_do_bgr()
564          if (row_info->color_type == PNG_COLOR_TYPE_RGB)  in png_do_bgr()
576          else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)  in png_do_bgr()
589       else if (row_info->bit_depth == 16)  in png_do_bgr()
591          if (row_info->color_type == PNG_COLOR_TYPE_RGB)  in png_do_bgr()
606          else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)  in png_do_bgr()