firevision::Scaler Class Reference

Image scaler interface. More...

#include <>>

Inheritance diagram for firevision::Scaler:

List of all members.

Public Member Functions
virtual	~Scaler ()
	Virtual empty destructor.
virtual void	set_scale_factor (float factor)=0
	Set scale factor.
virtual void	set_original_dimensions (unsigned int width, unsigned int height)=0
	Set original image dimensions.
virtual void	set_scaled_dimensions (unsigned int width, unsigned int height)=0
	Set dimenins of scaled image buffer.
virtual void	set_original_buffer (unsigned char *buffer)=0
	Set original image buffer.
virtual void	set_scaled_buffer (unsigned char *buffer)=0
	Set scaled image buffer.
virtual void	scale ()=0
	Scale image.
virtual unsigned int	needed_scaled_width ()=0
	Minimum needed width of scaled image depending on factor and original image width.
virtual unsigned int	needed_scaled_height ()=0
	Minimum needed height of scaled image depending on factor and original image height.
virtual float	get_scale_factor ()=0
	Returns the scale factor.

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Detailed Description

Image scaler interface.

Image scalers allow for scaling images by a given factor.

Author:

Tim Niemueller

Definition at line 32 of file scaler.h.

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Constructor & Destructor Documentation

firevision::Scaler::~Scaler ( )

virtual

Virtual empty destructor.

Definition at line 75 of file scaler.cpp.

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Member Function Documentation

float firevision::Scaler::get_scale_factor ( )

pure virtual

Returns the scale factor.

Returns:

the scale factor

Implemented in firevision::LossyScaler.

unsigned int firevision::Scaler::needed_scaled_height ( )

pure virtual

Minimum needed height of scaled image depending on factor and original image height.

Returns:

minimum needed height

Implemented in firevision::LossyScaler.

Referenced by MiniImageProducer::MiniImageProducer().

unsigned int firevision::Scaler::needed_scaled_width ( )

pure virtual

Minimum needed width of scaled image depending on factor and original image width.

Returns:

minimum needed width

Implemented in firevision::LossyScaler.

Referenced by MiniImageProducer::MiniImageProducer().

void firevision::Scaler::scale ( )

pure virtual

Scale image.

Implemented in firevision::LossyScaler.

void firevision::Scaler::set_original_buffer ( unsigned char *  buffer )

pure virtual

Set original image buffer.

Parameters:

buffer

YUV 422 planar buffer

Implemented in firevision::LossyScaler.

void firevision::Scaler::set_original_dimensions ( unsigned int  width, unsigned int  height  )

pure virtual

Set original image dimensions.

Parameters:

width	image width
height	height

Implemented in firevision::LossyScaler.

Referenced by MiniImageProducer::MiniImageProducer().

void firevision::Scaler::set_scale_factor ( float  factor )

pure virtual

Set scale factor.

Parameters:

factor

scale factor

Implemented in firevision::LossyScaler.

Referenced by MiniImageProducer::MiniImageProducer().

void firevision::Scaler::set_scaled_buffer ( unsigned char *  buffer )

pure virtual

Set scaled image buffer.

Parameters:

buffer

YUV 422 planar buffer

Implemented in firevision::LossyScaler.

void firevision::Scaler::set_scaled_dimensions ( unsigned int  width, unsigned int  height  )

pure virtual

Set dimenins of scaled image buffer.

Parameters:

width	image width
height	height

Implemented in firevision::LossyScaler.

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

• src/libs/fvutils/scalers/scaler.h
• src/libs/fvutils/scalers/scaler.cpp