Class: QRTools::UI::Window

Inherits:
Object
  • Object
show all
Defined in:
lib/qrtools/ui/window.rb,
ext/qrtools/qrtools_ui_window.c

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ Window

Create a new window with name



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# File 'lib/qrtools/ui/window.rb', line 6

def initialize name
  @name = name
  if block_given?
    show
    yield self
    hide
  end
end

Instance Method Details

#display(image) ⇒ Object 



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# File 'ext/qrtools/qrtools_ui_window.c', line 17

static VALUE display(VALUE self, VALUE image)
{
  VALUE name = rb_iv_get(self, "@name");

  IplImage * src;
  Data_Get_Struct(image, IplImage, src);
  cvShowImage(StringValuePtr(name), src);
  return self;
}

#hide ⇒ Object 



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# File 'ext/qrtools/qrtools_ui_window.c', line 10

static VALUE hide(VALUE self)
{
  VALUE name = rb_iv_get(self, "@name");
  cvDestroyWindow(StringValuePtr(name));
  return self;
}

#show ⇒ Object 



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# File 'ext/qrtools/qrtools_ui_window.c', line 3

static VALUE show(VALUE self)
{
  VALUE name = rb_iv_get(self, "@name");
  cvNamedWindow(StringValuePtr(name), 1);
  return self;
}