JPEG Class Reference

Public Member Functions
	JPEG ()
void	Decode (Byte *input, std::size_t size, Containers::Image &output)
	Decodes given JPG data from the given input and creates the image. More...
void	Decode (const std::string &input, Containers::Image &output)
	Decodes given JPG data from the given input and creates the image. More...
void	Decode (std::istream &input, Containers::Image &output)
	Decodes given JPG data from the given input and creates the image. More...
void	Decode (std::vector< Byte > &input, Containers::Image &output)
	Decodes given JPG data from the given input and creates the image. More...
void	Encode (Containers::Image &input, const std::string &output, int quality=90)
	Encode given image to JPG compressed data. More...
void	Encode (Containers::Image &input, std::ostream &output, int quality=90)
	Encode given image to JPG compressed data. More...
void	Encode (Containers::Image &input, std::vector< Byte > &output, int quality=90)
	Encode given image to JPG compressed data. More...

Protected Member Functions
void	decode (jpg::Reader &reader, Containers::Image &output)
void	encode (jpg::Writer &writer, Containers::Image &input, int quality)

Constructor & Destructor Documentation

JPEG()

JPEG

(

)

Member Function Documentation

Decode() [1/4]

void Decode	(	Byte *	input,
		std::size_t	size,
		Containers::Image &	output
	)

Decodes given JPG data from the given input and creates the image.

throws runtime error

References JPEG::decode().

Decode() [2/4]

void Decode	(	const std::string &	input,
		Containers::Image &	output
	)

Decodes given JPG data from the given input and creates the image.

throws runtime error

References JPEG::Decode().

decode()

void decode ( jpg::Reader &  reader, Containers::Image &  output  )

protected

References Reader::Attach(), basic_Image< T_ >::GetChannelsPerPixel(), Gorgon::Encoding::jpgtocolormode(), Gorgon::Encoding::my_error_exit(), basic_Image< T_ >::RawData(), and basic_Image< T_ >::Resize().

Decode() [3/4]

void Decode	(	std::istream &	input,
		Containers::Image &	output
	)

Decodes given JPG data from the given input and creates the image.

throws runtime error

References JPEG::decode().

Decode() [4/4]

void Decode	(	std::vector< Byte > &	input,
		Containers::Image &	output
	)

Decodes given JPG data from the given input and creates the image.

throws runtime error

References JPEG::decode().

Encode() [1/3]

void Encode	(	Containers::Image &	input,
		const std::string &	output,
		int	quality = 90
	)

Encode given image to JPG compressed data.

Quality is in percents 100 means best. throws runtime error

References JPEG::Encode().

Encode() [2/3]

void Encode	(	Containers::Image &	input,
		std::ostream &	output,
		int	quality = 90
	)

Encode given image to JPG compressed data.

Quality is in percents 100 means best. throws runtime error

References JPEG::encode().

Encode() [3/3]

void Encode	(	Containers::Image &	input,
		std::vector< Byte > &	output,
		int	quality = 90
	)

Encode given image to JPG compressed data.

Quality is in percents 100 means best. throws runtime error

References JPEG::encode().

encode()

void encode ( jpg::Writer &  writer, Containers::Image &  input, int  quality  )

protected

References Writer::Attach(), basic_Image< T_ >::GetChannelsPerPixel(), basic_Image< T_ >::GetMode(), basic_Image< T_ >::GetSize(), Gorgon::Graphics::Grayscale, basic_Size< T_ >::Height, Gorgon::Encoding::my_error_exit(), basic_Image< T_ >::RawData(), Gorgon::Graphics::RGB, and basic_Size< T_ >::Width.

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

• Gorgon/Encoding/JPEG.h
• Gorgon/Encoding/JPEG.cpp