claw::graphic::png Class Reference

A class for png pictures. More...

#include <png.hpp>

Inheritance diagram for claw::graphic::png:

List of all members.

Classes
class	reader
	This class read data from a png file and store it in an image. More...
class	writer
	This class write an image in a png file. More...
Public Member Functions
	png (unsigned int w, unsigned int h)
	Constructor. Creates an empty image.
	png (const image &that)
	Copy constructor.
	png (std::istream &f)
	Constructor. Load an image from a png file.
void	save (std::ostream &os, const writer::options &opt=writer::options()) const
	Save the image.

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Detailed Description

A class for png pictures.

Author:

Julien Jorge

Definition at line 47 of file png.hpp.

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Constructor & Destructor Documentation

claw::graphic::png::png	(	unsigned int	w,
		unsigned int	h
	)

Constructor. Creates an empty image.

Parameters:

w	Image's width.
h	Image's height.

Precondition:

w > 0 and h > 0

Definition at line 39 of file png.cpp.

  : image(w, h)
{

} // png::png() [constructor]

claw::graphic::png::png

(

const image &

that

)

Copy constructor.

Parameters:

that	Image to copy from.

Definition at line 50 of file png.cpp.

  : image(that)
{

} // png::png() [copy constructor]

claw::graphic::png::png

(

std::istream &

f

)

Constructor. Load an image from a png file.

Parameters:

f

Png file.

Definition at line 61 of file png.cpp.

{
  reader(*this, f);
} // png::png() [constructor, from file]

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Member Function Documentation

void claw::graphic::png::save	(	std::ostream &	f,
		const writer::options &	opt = writer::options()
	)		const

Save the image.

Parameters:

f	The file in which we write.
opt	Saving options.

Definition at line 73 of file png.cpp.

Referenced by claw::graphic::png::writer::writer().

{
  writer( *this, f, opt );
} // png::save()

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

• png.hpp
• code/png.cpp