channel_algorithm.hpp File Reference


Detailed Description

Channel algorithms.

Author:
Lubomir Bourdev and Hailin Jin
Adobe Systems Incorporated
Date:
2005-2007
Last updated on May 6, 2007
Definitions of standard GIL 8-bit, 16-bit, 32-bit channels

#include "gil_config.hpp"
#include "channel.hpp"
#include <boost/mpl/less.hpp>
#include <boost/mpl/integral_c.hpp>
#include <boost/mpl/greater.hpp>
#include <boost/type_traits.hpp>

Go to the source code of this file.


Namespaces

namespace  boost
namespace  boost::gil
namespace  boost::gil::detail

Classes

struct  channel_converter_unsigned< T, T >
 Converting a channel to itself - identity operation. More...
struct  channel_converter_unsigned_impl
 This is the default implementation. Performance specializatons are provided. More...
struct  channel_converter_unsigned< bits32f, DstChannelV >
struct  channel_converter_unsigned< bits32, bits32f >
 32 bit <-> float channel conversion More...
struct  channel_converter_unsigned< bits32f, bits32 >
 32 bit <-> float channel conversion More...
struct  channel_converter
 A unary function object converting between channel types. More...
struct  default_channel_converter
 Same as channel_converter, except it takes the destination channel by reference, which allows us to move the templates from the class level to the method level. This is important when invoking it on heterogeneous pixels. More...
struct  channel_multiplier_unsigned
 This is the default implementation. Performance specializatons are provided. More...
struct  channel_multiplier_unsigned< bits8 >
 Specialization of channel_multiply for 8-bit unsigned channels. More...
struct  channel_multiplier_unsigned< bits16 >
 Specialization of channel_multiply for 16-bit unsigned channels. More...
struct  channel_multiplier_unsigned< bits32f >
 Specialization of channel_multiply for float 0..1 channels. More...
struct  channel_multiplier
 A function object to multiply two channels. result = a * b / max_value. More...

Functions

template<typename DstChannel, typename SrcChannel>
channel_traits< DstChannel
>::value_type 
boost::gil::channel_convert (SrcChannel src)
 Converting from one channel type to another.
uint32_t boost::gil::detail::div255 (uint32_t in)
uint32_t boost::gil::detail::div32768 (uint32_t in)
template<typename Channel>
channel_traits< Channel
>::value_type 
boost::gil::channel_multiply (Channel a, Channel b)
 A function multiplying two channels. result = a * b / max_value.
template<typename Channel>
channel_traits< Channel
>::value_type 
boost::gil::channel_invert (Channel x)
 Default implementation. Provide overloads for performance.

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