Class: GOCR::Engine

Inherits:
Object
  • Object
show all
Defined in:
lib/gocr/engine.rb,
ext/gocr/gocr.c

Constant Summary collapse

FORMATS = 
Hash[%w(UTF8 ISO8859_1 TeX HTML XML ASCII).map.with_index.to_a].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Engine

Returns a new instance of Engine.



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# File 'lib/gocr/engine.rb', line 10

def initialize(options={})
  options.each do |k, v|
    send("#{k}=", v) if respond_to?(k)
  end
  @format = FORMATS[format].to_i
  @dust_size = -1 if dust_size.nil?
  @unrecognize_char = @unrecognize_char[0] unless unrecognize_char.nil?
end

Instance Attribute Details

#blacklist ⇒ Object

Returns the value of attribute blacklist.



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# File 'lib/gocr/engine.rb', line 5

def blacklist
  @blacklist
end

#certainty ⇒ Object

Returns the value of attribute certainty.



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# File 'lib/gocr/engine.rb', line 5

def certainty
  @certainty
end

#database ⇒ Object

Returns the value of attribute database.



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# File 'lib/gocr/engine.rb', line 5

def database
  @database
end

#dust_size ⇒ Object

Returns the value of attribute dust_size.



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# File 'lib/gocr/engine.rb', line 5

def dust_size
  @dust_size
end

#format ⇒ Object

Returns the value of attribute format.



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# File 'lib/gocr/engine.rb', line 5

def format
  @format
end

#gray_level ⇒ Object

Returns the value of attribute gray_level.



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# File 'lib/gocr/engine.rb', line 5

def gray_level
  @gray_level
end

#mode ⇒ Object

Returns the value of attribute mode.



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# File 'lib/gocr/engine.rb', line 5

def mode
  @mode
end

#numbers_only ⇒ Object

Returns the value of attribute numbers_only.



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# File 'lib/gocr/engine.rb', line 5

def numbers_only
  @numbers_only
end

#space_width ⇒ Object

Returns the value of attribute space_width.



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# File 'lib/gocr/engine.rb', line 5

def space_width
  @space_width
end

#unrecognize_char ⇒ Object

Returns the value of attribute unrecognize_char.



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# File 'lib/gocr/engine.rb', line 5

def unrecognize_char
  @unrecognize_char
end

#whitelist ⇒ Object

Returns the value of attribute whitelist.



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# File 'lib/gocr/engine.rb', line 5

def whitelist
  @whitelist
end

Instance Method Details

#text_for(arg) ⇒ Object 



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# File 'ext/gocr/gocr.c', line 403

static VALUE image_recognize(VALUE self, VALUE arg) {
    VALUE tmp;

    job_t job1, *job; /* fixme, dont want global variables for lib */
    job=OCR_JOB=&job1;
    job_init(job);
    
    job->src.fname = StringValuePtr(arg);
    tmp = rb_iv_get(self, "@database");
    if (tmp != Qnil) {
        job->cfg.db_path = StringValuePtr(tmp);
    }
    tmp = rb_iv_get(self, "@format");
    if (tmp != Qnil) {
        job->cfg.out_format = NUM2INT(tmp);
    }
    tmp = rb_iv_get(self, "@whitelist");
    if (tmp != Qnil) {
        if (strlen(StringValuePtr(tmp)) > 0)
            job->cfg.cfilter = StringValuePtr(tmp);
    }
    tmp = rb_iv_get(self, "@dust_size");
    if (tmp != Qnil) {
        job->cfg.dust_size = NUM2INT(tmp);
    }
    tmp = rb_iv_get(self, "@gray_level");
    if (tmp != Qnil) {
        job->cfg.cs = NUM2INT(tmp);
    }
    tmp = rb_iv_get(self, "@space_width");
    if (tmp != Qnil) {
        job->cfg.spc = NUM2INT(tmp);
    }
    tmp = rb_iv_get(self, "@mode");
    if (tmp != Qnil) {
        job->cfg.mode |= NUM2INT(tmp);
    }
    tmp = rb_iv_get(self, "@numbers_only");
    if (tmp == Qtrue) {
        job->cfg.only_numbers = 1;
    }
    tmp = rb_iv_get(self, "@certainty");
    if (tmp != Qnil) {
        job->cfg.certainty = NUM2INT(tmp);
    }
    tmp = rb_iv_get(self, "@unrecognize_char");
    if (tmp != Qnil) {
        job->cfg.unrec_marker = StringValuePtr(tmp)[0];
    }
    return rb_str_new2( gocr_main(job) );
}