channel_invert

Returns the inverse of a channel. result = max_value - x + min_value. More...

Functions
template<typename Channel >
channel_traits< Channel > ::value_type	boost::gil::channel_invert (Channel x)
	Default implementation. Provide overloads for performance.

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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);

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Function Documentation

template<typename Channel >

channel_traits<Channel>::value_type boost::gil::channel_invert

(

Channel

x

)

[inline]

Default implementation. Provide overloads for performance.

Definition at line 473 of file channel_algorithm.hpp.

References terry::max_value().

Referenced by terry::copy_and_convert_alpha_blended_pixels(), terry::color::channel_invert_t< Channel >::operator()(), 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()().

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