Method: Magick::Image#histogram?

Defined in:
ext/RMagick/rmimage.cpp

#histogram? ⇒ Boolean

Return true if has 1024 unique colors or less.

Returns:

  • (Boolean) —

    true if image has <= 1024 unique colors



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# File 'ext/RMagick/rmimage.cpp', line 7972

VALUE
Image_histogram_q(VALUE self)
{
    return has_attribute(self, IsHistogramImage);
}