Rectangle area for displaying a bitmap file. More...

Inheritance diagram for nana::picture:

Public Member Functions
	picture ()=default

	picture (window, bool visible)

	picture (window, const rectangle &={}, bool visible=true)

void	load (::nana::paint::image, const rectangle &valid_area={})

void	align (align, align_v)
	Sets the align of image. More...

void	stretchable (unsigned left, unsigned top, unsigned right, unsigned bottom)
	Enables the image to be stretched to the widget size. More...

void	stretchable (bool)
	Enables/disables the image to be stretched without changing aspect ratio. More...

void	set_gradual_background (const color &clr_from, const color &clr_to, bool horizontal)
	Fills a gradual-change color in background. If one of colors is invisible or clr_from is equal to clr_to, it draws background in bgcolor. More...

void	transparent (bool)

bool	transparent () const

Public Member Functions inherited from nana::widget_object< category::widget_tag, drawerbase::picture::drawer >
	widget_object ()

	~widget_object ()

event_type &	events () const

bool	create (window parent_wd, bool visible)

bool	create (window parent_wd, const rectangle &r={}, bool visible=true)

widget_object &	borderless (bool enable)

bool	borderless () const

scheme_type &	scheme () const

void	filter_event (const event_code evt_code, const bool bDisabled)

void	filter_event (const std::vector< event_code > evt_codes, const bool bDisabled)

void	filter_event (const event_filter_status &evt_all_states)

bool	filter_event (const event_code evt_code)

event_filter_status	filter_event ()

void	clear_filter ()

Public Member Functions inherited from nana::detail::widget_base
window	handle () const override
	Returns the handle of window, returns 0 if window is not created. More...

Public Member Functions inherited from nana::widget
	widget ()=default

virtual	~widget ()=default

bool	empty () const
	Determines whether the manipulator is handling a window. More...

void	close ()

window	parent () const

::std::string	caption () const noexcept

::std::wstring	caption_wstring () const noexcept

native_string_type	caption_native () const noexcept

widget &	caption (std::string utf8)

widget &	caption (std::wstring)

template<typename... Args>
void	i18n (std::string msgid, Args &&...args)

void	i18n (i18n_eval)

void	cursor (nana::cursor)

nana::cursor	cursor () const
	Retrieves the shape of cursor. More...

void	typeface (const paint::font &font)

paint::font	typeface () const

bool	enabled () const
	Determines whether the window is enabled for mouse and keyboard input. More...

void	enabled (bool)

void	enable_dropfiles (bool)
	Enables/Disables a window to accept dropped files. More...

void	focus ()

bool	focused () const

std::shared_ptr < scroll_operation_interface >	scroll_operation ()

void	show ()
	Sets the window visible. More...

void	hide ()
	Sets the window invisible. More...

bool	visible () const

nana::size	size () const

void	size (const nana::size &)

void	set_capture (bool ignore_children)
	Enables the widget to grab the mouse input. More...

void	release_capture ()
	Disables the widget to grab the mouse input. More...

point	pos () const

void	move (int x, int y)

void	move (const point &)

void	move (const rectangle &)

void	fgcolor (const nana::color &)

nana::color	fgcolor () const

void	bgcolor (const nana::color &)

nana::color	bgcolor () const

general_events &	events () const

void	umake_event (event_handle eh) const
	Deletes an event callback by a handle. More...

widget &	register_shortkey (wchar_t)
	Registers a shortkey. To remove a registered key, pass 0. More...

widget &	take_active (bool activated, window take_if_not_activated)

widget &	tooltip (const ::std::string &)

	operator dummy_bool_type () const

	operator window () const

Additional Inherited Members
Public Types inherited from nana::widget_object< category::widget_tag, drawerbase::picture::drawer >
using	scheme_type = ::nana::widget_geometrics

using	event_type = ::nana::general_events

Public Types inherited from nana::widget
using	native_string_type = detail::native_string_type

Protected Types inherited from nana::widget_object< category::widget_tag, drawerbase::picture::drawer >
typedef drawerbase::picture::drawer	drawer_trigger_t

Protected Member Functions inherited from nana::widget_object< category::widget_tag, drawerbase::picture::drawer >
drawerbase::picture::drawer &	get_drawer_trigger ()

const drawerbase::picture::drawer &	get_drawer_trigger () const

Protected Member Functions inherited from nana::widget
std::unique_ptr <::nana::detail::widget_notifier_interface >	_m_wdg_notifier ()

virtual void	_m_complete_creation ()

virtual native_string_type	_m_caption () const noexcept

virtual void	_m_caption (native_string_type &&)

virtual nana::cursor	_m_cursor () const

virtual void	_m_cursor (nana::cursor)

virtual void	_m_close ()

virtual bool	_m_enabled () const

virtual void	_m_enabled (bool)

virtual std::shared_ptr < scroll_operation_interface >	_m_scroll_operation ()

virtual bool	_m_show (bool)

virtual bool	_m_visible () const

virtual void	_m_size (const nana::size &)

virtual void	_m_move (int x, int y)

virtual void	_m_move (const rectangle &)

virtual void	_m_typeface (const nana::paint::font &font)

virtual nana::paint::font	_m_typeface () const

virtual void	_m_fgcolor (const nana::color &)

virtual nana::color	_m_fgcolor () const

virtual void	_m_bgcolor (const nana::color &)

virtual nana::color	_m_bgcolor () const

Protected Attributes inherited from nana::detail::widget_base
window	handle_ { nullptr }

Detailed Description

Rectangle area for displaying a bitmap file.

Examples:: png.cpp.

Constructor & Destructor Documentation

nana::picture::picture ( )

default

nana::picture::picture	(	window	wd,
		bool	visible
	)

nana::picture::picture	(	window	wd,
		const rectangle &	r = `{}`,
		bool	visible = `true`
	)

Member Function Documentation

void nana::picture::align	(	align	,
		align_v
	)

Sets the align of image.

void nana::picture::load	(	::nana::paint::image	,
		const rectangle &	valid_area = `{}`
	)

void nana::picture::set_gradual_background	(	const color &	clr_from,
		const color &	clr_to,
		bool	horizontal
	)

Fills a gradual-change color in background. If one of colors is invisible or clr_from is equal to clr_to, it draws background in bgcolor.

void nana::picture::stretchable	(	unsigned	left,
		unsigned	top,
		unsigned	right,
		unsigned	bottom
	)

Enables the image to be stretched to the widget size.

void nana::picture::stretchable ( bool enables )

Enables/disables the image to be stretched without changing aspect ratio.

void nana::picture::transparent ( bool enabled )

bool nana::picture::transparent ( ) const

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation