openmsx::PolyScale< Pixel, Scaler > Class Template Reference

Polymorphic wrapper around another line scaler. More...

#include <LineScalers.hh>

Inheritance diagram for openmsx::PolyScale< Pixel, Scaler >:

Collaboration diagram for openmsx::PolyScale< Pixel, Scaler >:

Public Member Functions
	PolyScale ()
	PolyScale (PixelOperations< Pixel > pixelOps)
void	operator() (std::span< const Pixel > in, std::span< Pixel > out) override
	Actually scale a line. More...
bool	isCopy () const override
	Is this scale operation actually a copy? This info can be used to (in a multi-step scale operation) immediately produce the output of the previous step in this step's output buffer, so effectively skipping this step. More...
virtual void	operator() (std::span< const Pixel > in, std::span< Pixel > out)=0
	Actually scale a line. More...
virtual bool	isCopy () const =0
	Is this scale operation actually a copy? This info can be used to (in a multi-step scale operation) immediately produce the output of the previous step in this step's output buffer, so effectively skipping this step. More...

Additional Inherited Members
Protected Member Functions inherited from openmsx::PolyLineScaler< Pixel >
	~PolyLineScaler ()=default

Detailed Description

template<std::unsigned_integral Pixel, typename Scaler>
class openmsx::PolyScale< Pixel, Scaler >

Polymorphic wrapper around another line scaler.

This version directly contains (and thus constructs) the wrapped Line Scaler.

Definition at line 312 of file LineScalers.hh.

Constructor & Destructor Documentation

PolyScale() [1/2]

template<std::unsigned_integral Pixel, typename Scaler >

openmsx::PolyScale< Pixel, Scaler >::PolyScale ( )

inline

Definition at line 315 of file LineScalers.hh.

PolyScale() [2/2]

template<std::unsigned_integral Pixel, typename Scaler >

openmsx::PolyScale< Pixel, Scaler >::PolyScale ( PixelOperations< Pixel >  pixelOps )

inlineexplicit

Definition at line 319 of file LineScalers.hh.

Member Function Documentation

isCopy()

template<std::unsigned_integral Pixel, typename Scaler >

bool openmsx::PolyScale< Pixel, Scaler >::isCopy ( ) const

inlineoverridevirtual

Is this scale operation actually a copy? This info can be used to (in a multi-step scale operation) immediately produce the output of the previous step in this step's output buffer, so effectively skipping this step.

Implements openmsx::PolyLineScaler< Pixel >.

Definition at line 327 of file LineScalers.hh.

operator()()

template<std::unsigned_integral Pixel, typename Scaler >

void openmsx::PolyScale< Pixel, Scaler >::operator() ( std::span< const Pixel >  in, std::span< Pixel >  out  )

inlineoverridevirtual

Actually scale a line.

Parameters

in	Buffer containing input line.
out	Buffer that should be filled with output. Note: The relative size of the input and output depends on the actual scaler. For example Scale_2on1 requires twice as many pixels in the input than in the output.

Implements openmsx::PolyLineScaler< Pixel >.

Definition at line 323 of file LineScalers.hh.

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The documentation for this class was generated from the following file:

• LineScalers.hh