Method: Magick::Image#changed?

Defined in:

ext/RMagick/rmimage.c

#changed? ⇒ Boolean

Return true if any pixel in the image has been altered since the image was constituted.

Ruby usage:

- @verbatim Image#changed? @endverbatim

Parameters:

• self —

  this object

Returns:

• (Boolean) —

  true if altered, false otherwise

# File 'ext/RMagick/rmimage.c', line 2130

VALUE
Image_changed_q(VALUE self)
{
    Image *image = rm_check_destroyed(self);
    VALUE okay = IsTaintImage(image) ? Qtrue : Qfalse;
    rm_check_image_exception(image, RetainOnError);
    return okay;
}