zbar::Window Class Reference

mid-level output window abstraction. More...

Collaboration diagram for zbar::Window:

Public Member Functions
	Window (zbar_window_t *window=NULL)
	constructor. More...
	Window (void *x11_display_w32_hwnd, unsigned long x11_drawable)
	constructor. More...
	~Window ()
void	attach (void *x11_display_w32_hwnd, unsigned long x11_drawable=0)
	associate reader with an existing platform window. More...
void	clear ()
	clear the image from the output window. More...
void	draw (Image &image)
	retrieve current content level of reader overlay. More...
	operator zbar_window_t * () const
	cast to C window object. More...
void	redraw ()
	redraw the last image. More...
void	resize (unsigned width, unsigned height)
	resize the image window. More...
void	set_overlay (int level)
	control content level of the reader overlay. More...

Private Attributes
zbar_window_t *	_window

Detailed Description

mid-level output window abstraction.

displays images to user-specified platform specific output window

Constructor & Destructor Documentation

zbar::Window::Window ( zbar_window_t *  window = NULL )

inline

constructor.

References _window, window, and zbar::zbar_window_create().

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zbar::Window::Window ( void *  x11_display_w32_hwnd, unsigned long  x11_drawable  )

inline

constructor.

References _window, attach(), and zbar::zbar_window_create().

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zbar::Window::~Window ( )

inline

References _window, and zbar::zbar_window_destroy().

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Member Function Documentation

void zbar::Window::attach ( void *  x11_display_w32_hwnd, unsigned long  x11_drawable = 0  )

inline

associate reader with an existing platform window.

see zbar_window_attach()

References _window, zbar::throw_exception(), and zbar::zbar_window_attach().

Referenced by zbar::QZBar::attach(), zbar::QZBar::changeEvent(), zbar::QZBar::QZBar(), and Window().

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void zbar::Window::clear ( )

inline

clear the image from the output window.

see zbar_window_draw()

References _window, zbar::throw_exception(), and zbar::zbar_window_draw().

Referenced by zbar::QZBarThread::clear().

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void zbar::Window::draw ( Image &  image )

inline

retrieve current content level of reader overlay.

see zbar_window_get_overlay() draw a new image into the output window. see zbar_window_draw()

References _window, zbar::throw_exception(), and zbar::zbar_window_draw().

Referenced by zbar::QZBarThread::processImage().

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zbar::Window::operator zbar_window_t * ( ) const

inline

cast to C window object.

References _window.

void zbar::Window::redraw ( )

inline

redraw the last image.

zbar_window_redraw()

References _window, zbar::throw_exception(), and zbar::zbar_window_redraw().

Referenced by zbar::QZBar::paintEvent().

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void zbar::Window::resize ( unsigned  width, unsigned  height  )

inline

resize the image window.

zbar_window_resize()

References _window, zbar::throw_exception(), and zbar::zbar_window_resize().

Referenced by zbar::QZBar::resizeEvent().

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void zbar::Window::set_overlay ( int  level )

inline

control content level of the reader overlay.

see zbar_window_set_overlay()

References _window, and zbar::zbar_window_set_overlay().

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Member Data Documentation

zbar_window_t* zbar::Window::_window

private

Referenced by attach(), clear(), draw(), operator zbar_window_t *(), redraw(), resize(), set_overlay(), Window(), and ~Window().

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

• Window.h