Module: TesseractFFI::ConfVars

Included in:
Tesseract
Defined in:
lib/tesseract_ffi/conf_vars.rb

Overview

module ConfVars

Instance Method Summary collapse

Instance Method Details

#get_double_variable(var_name) ⇒ Object 



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# File 'lib/tesseract_ffi/conf_vars.rb', line 6

def get_double_variable(var_name)
  d_ptr = TesseractFFI::FFIDoublePtr.new

  unless tess_get_double_variable(@handle, var_name, d_ptr)
    raise TessException.new(error_msg: 'Unable to get config variable ' + var_name)
  end

  d_ptr[:value]
end

#get_integer_variable(var_name) ⇒ Object 



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# File 'lib/tesseract_ffi/conf_vars.rb', line 16

def get_integer_variable(var_name)
  i_ptr = TesseractFFI::FFIIntPtr.new

  unless tess_get_int_variable(@handle, var_name, i_ptr)
    raise TessException.new(error_msg: 'Unable to get config variable ' + var_name)
  end

  i_ptr[:value]
end

#print_variables_to_file(file_name) ⇒ Object

Raises:



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# File 'lib/tesseract_ffi/conf_vars.rb', line 35

def print_variables_to_file(file_name)
  result = tess_print_to_file(@handle, file_name)
  raise TessException.new(error_msg: 'Unable to print variables to ' + file_name) unless result

  result
end

#set_variable(var_name, value) ⇒ Object 



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# File 'lib/tesseract_ffi/conf_vars.rb', line 26

def set_variable(var_name, value)
  mem_ptr = FFI::MemoryPointer.from_string(value.to_s)
  unless tess_set_variable(@handle, var_name, mem_ptr)
    raise TessException.new(error_msg: 'Unable to set config variable ' + var_name)
  end

  true
end