nana::paint::image Class Reference

load a picture file More...

Classes
class	image_impl_interface

Public Member Functions
	image () noexcept
	image (const image &)
	image (image &&)
	image (const ::std::string &file)
	image (const ::std::wstring &file)
	~image ()
image &	operator= (const image &rhs)
image &	operator= (image &&)
bool	open (const ::std::string &file)
bool	open (const ::std::wstring &file)
bool	open (const void *data, std::size_t bytes)
	Opens an icon from a specified buffer. More...
bool	empty () const noexcept
	operator unspecified_bool_t () const
void	close () noexcept
bool	alpha () const noexcept
nana::size	size () const noexcept
void	paste (graphics &dst, const point &p_dst) const
void	paste (const nana::rectangle &r_src, graphics &dst, const point &p_dst) const
	Paste the area of picture specified by r_src into the destination graphics specified by dst at position p_dst. More...
void	stretch (const nana::rectangle &r_src, graphics &dst, const nana::rectangle &r_dst) const
	Paste the picture into the dst, stretching or compressing the picture to fit the given area. More...

Friends
class	image_accessor

Detailed Description

load a picture file

Examples:

animate-bmp.cpp, background-effects.cpp, draw.cpp, example.button.cpp, inputbox.cpp, png.cpp, stretch_image.cpp, widget_show.cpp, and widget_show2.cpp.

Constructor & Destructor Documentation

nana::paint::image::image ( )

noexcept

nana::paint::image::image

(

const image &

rhs

)

nana::paint::image::image

(

image &&

r

)

nana::paint::image::image ( const ::std::string &  file )

explicit

nana::paint::image::image ( const ::std::wstring &  file )

explicit

nana::paint::image::~image

(

)

Member Function Documentation

bool nana::paint::image::alpha ( ) const

noexcept

void nana::paint::image::close ( )

noexcept

bool nana::paint::image::empty ( ) const

noexcept

Examples:

background-effects.cpp, and draw.cpp.

bool nana::paint::image::open

(

const ::std::string &

file

)

bool nana::paint::image::open

(

const ::std::wstring &

file

)

bool nana::paint::image::open	(	const void *	data,
		std::size_t	bytes
	)

Opens an icon from a specified buffer.

nana::paint::image::operator unspecified_bool_t

(

)

const

image & nana::paint::image::operator=

(

const image &

rhs

)

image & nana::paint::image::operator=

(

image &&

r

)

void nana::paint::image::paste	(	graphics &	dst,
		const point &	p_dst
	)		const

Examples:

background-effects.cpp, and draw.cpp.

void nana::paint::image::paste	(	const nana::rectangle &	r_src,
		graphics &	dst,
		const point &	p_dst
	)		const

Paste the area of picture specified by r_src into the destination graphics specified by dst at position p_dst.

nana::size nana::paint::image::size ( ) const

noexcept

Examples:

draw.cpp.

void nana::paint::image::stretch	(	const nana::rectangle &	r_src,
		graphics &	dst,
		const nana::rectangle &	r_dst
	)		const

Paste the picture into the dst, stretching or compressing the picture to fit the given area.

Friends And Related Function Documentation

friend class image_accessor

friend