[Algorithms and Utility Functions]

Detailed Description

Multiplying unsigned channel values of the same type. Performs scaled multiplication result = a * b / max_value.


bits8 x=128;
bits8 y=128;
bits8 mul = channel_multiply(x,y);
assert(mul == 64);    // 64 = 128 * 128 / 255


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...


template<typename Channel>
channel_traits< Channel
boost::gil::channel_multiply (Channel a, Channel b)
 A function multiplying two channels. result = a * b / max_value.

Generated on Thu Nov 8 21:53:20 2007 for Generic Image Library by  doxygen 1.4.4