Lines Matching refs:prev_row
3754 png_const_bytep prev_row)
3761 PNG_UNUSED(prev_row)
3772 png_const_bytep prev_row)
3777 png_const_bytep pp = prev_row;
3788 png_const_bytep prev_row)
3792 png_const_bytep pp = prev_row;
3815 png_const_bytep prev_row)
3821 c = *prev_row++;
3831 b = *prev_row++;
3863 png_const_bytep prev_row)
3873 int a = *row + *prev_row++;
3884 c = *(prev_row - bpp);
3886 b = *prev_row++;
3948 png_const_bytep prev_row, int filter)
3959 pp->read_filter[filter-1](row_info, row, prev_row);
4200 /* TO DO: don't do this if prev_row isn't needed (requires
4203 memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1);
4469 * of padding before and after row_buf; treat prev_row similarly.
4482 png_ptr->prev_row = temp - extra - 1/*filter byte*/;
4488 png_ptr->prev_row = png_ptr->big_prev_row + 31;
4501 memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1);
