channel_invert

Returns the inverse of a channel. More...

Functions
template<typename Channel >
channel_traits< Channel > ::value_type	boost::gil::channel_invert (Channel x)
	Default implementation. More...

Detailed Description

Returns the inverse of a channel.

result = max_value - x + min_value

Example:

// bits8 == uint8_t == unsigned char
bits8 x=255;
bits8 inv = channel_invert(x);
assert(inv == 0);

Function Documentation

template<typename Channel >

channel_traits<Channel>::value_type boost::gil::channel_invert ( Channel  x )

inline

#include <boost_1_57_0/boost/gil/channel_algorithm.hpp>

Default implementation.

Provide overloads for performance

References boost::geometry::detail::point_on_surface::max_value(), and boost::math::tools::min_value().

Referenced by boost::gil::default_color_converter_impl< rgb_t, cmyk_t >::operator()(), boost::gil::default_color_converter_impl< cmyk_t, rgb_t >::operator()(), and boost::gil::default_color_converter_impl< cmyk_t, gray_t >::operator()().