firevision::PNGReader Class Reference

PNG file reader. More...

#include <fvutils/readers/png.h>

Inheritance diagram for firevision::PNGReader:

[legend]

List of all members.

Public Member Functions
	PNGReader (const char *filename)
	Constructor.
virtual	~PNGReader ()
	Destructor.
virtual void	set_buffer (unsigned char *yuv422planar_buffer)
	Set buffer that the read image should be written to.
virtual colorspace_t	colorspace ()
	Get colorspace from the just read image.
virtual unsigned int	pixel_width ()
	Get width of read image in pixels.
virtual unsigned int	pixel_height ()
	Get height of read image in pixels.
virtual void	read ()
	Read data from file.

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Detailed Description

PNG file reader.

Author:

Tim Niemueller

Definition at line 36 of file png.h.

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Constructor & Destructor Documentation

firevision::PNGReader::PNGReader

(

const char *

filename

)

Constructor.

Parameters:

filename

file to read

Definition at line 59 of file png.cpp.

firevision::PNGReader::~PNGReader

(

)

[virtual]

Destructor.

Definition at line 165 of file png.cpp.

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Member Function Documentation

colorspace_t firevision::PNGReader::colorspace

(

)

[virtual]

Get colorspace from the just read image.

Returns:

colorspace

Implements firevision::Reader.

Definition at line 185 of file png.cpp.

Referenced by firevision::SiftppClassifier::SiftppClassifier().

unsigned int firevision::PNGReader::pixel_height

(

)

[virtual]

Get height of read image in pixels.

Returns:

height of image

Implements firevision::Reader.

Definition at line 203 of file png.cpp.

Referenced by read(), and firevision::SiftppClassifier::SiftppClassifier().

unsigned int firevision::PNGReader::pixel_width

(

)

[virtual]

Get width of read image in pixels.

Returns:

width of image

Implements firevision::Reader.

Definition at line 192 of file png.cpp.

Referenced by read(), and firevision::SiftppClassifier::SiftppClassifier().

void firevision::PNGReader::read

(

)

[virtual]

Read data from file.

Implements firevision::Reader.

Definition at line 214 of file png.cpp.

References pixel_height(), and pixel_width().

Referenced by firevision::SiftppClassifier::SiftppClassifier().

void firevision::PNGReader::set_buffer

(

unsigned char *

yuv422planar_buffer

)

[virtual]

Set buffer that the read image should be written to.

Parameters:

yuv422planar_buffer

buffer to write image to. The reader must ensure that it does the proper conversion (if needed) to YUV 422 planar format.

Implements firevision::Reader.

Definition at line 178 of file png.cpp.

Referenced by firevision::SiftppClassifier::SiftppClassifier().

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

• src/firevision/fvutils/readers/png.h
• src/firevision/fvutils/readers/png.cpp