high-level self-contained image processor. More...

Collaboration diagram for zbar::Processor:

Public Member Functions
	Processor (bool threaded=true, const char *video_device="", bool enable_display=true)
	constructor. More...

	~Processor ()

void	force_format (unsigned long input_format, unsigned long output_format)
	force specific input and output formats for debug/testing. More...

void	force_format (std::string &input_format, std::string &output_format)
	force specific input and output formats for debug/testing. More...

const SymbolSet	get_results () const
	retrieve decode results for last scanned image. More...

void	init (const char *video_device="", bool enable_display=true)
	opens a video input device and/or prepares to display output. More...

bool	is_visible ()
	retrieve the current state of the ouput window. More...

	operator zbar_processor_t * ()
	cast to C processor object. More...

Processor &	operator<< (Image &image)
	process the provided image for barcodes. More...

void	process_image (Image &image)
	process the provided image for barcodes. More...

void	process_one (int timeout=FOREVER)
	process from the video stream until a result is available. More...

void	request_interface (int version)
	request a preferred driver interface version for debug/testing. More...

void	request_iomode (int iomode)
	request a preferred I/O mode for debug/testing. More...

void	request_size (int width, int height)
	request a preferred size for the video image from the device. More...

void	set_active (bool active=true)
	control the processor in free running video mode. More...

int	set_config (zbar_symbol_type_t symbology, zbar_config_t config, int value)
	set config for indicated symbology (0 for all) to specified value. More...

int	set_config (std::string cfgstr)
	set config parsed from configuration string. More...

void	set_handler (Image::Handler &handler)
	setup result handler callback. More...

void	set_visible (bool visible=true)
	show or hide the display window owned by the library. More...

int	user_wait (int timeout=FOREVER)
	wait for input to the display window from the user. More...

Static Public Attributes
static const int	FOREVER
	value to pass for no timeout. More...

Private Attributes
zbar_processor_t *	_processor

Detailed Description

high-level self-contained image processor.

processes video and images for barcodes, optionally displaying images to a library owned output window

Constructor & Destructor Documentation

zbar::Processor::Processor	(	bool	threaded = `true`,
		const char *	video_device = `""`,
		bool	enable_display = `true`
	)

inline

constructor.

References _processor, init(), test_pygtk::video_device, and zbar::zbar_processor_create().

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zbar::Processor::~Processor ( )

inline

References _processor, and zbar::zbar_processor_destroy().

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Member Function Documentation

void zbar::Processor::force_format	(	unsigned long	input_format,
		unsigned long	output_format
	)

inline

force specific input and output formats for debug/testing.

see zbar_processor_force_format()

References _processor, zbar::throw_exception(), and zbar::zbar_processor_force_format().

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void zbar::Processor::force_format	(	std::string &	input_format,
		std::string &	output_format
	)

inline

force specific input and output formats for debug/testing.

see zbar_processor_force_format()

References _processor, zbar::throw_exception(), and zbar::zbar_processor_force_format().

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const SymbolSet zbar::Processor::get_results ( ) const

inline

retrieve decode results for last scanned image.

See also: zbar_processor_get_results()

Since: 0.10

References _processor, and zbar::zbar_processor_get_results().

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void zbar::Processor::init	(	const char *	video_device = `""`,
		bool	enable_display = `true`
	)

inline

opens a video input device and/or prepares to display output.

see zbar_processor_init()

References _processor, zbar::throw_exception(), test_pygtk::video_device, and zbar::zbar_processor_init().

Referenced by Processor().

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bool zbar::Processor::is_visible ( )

inline

retrieve the current state of the ouput window.

see zbar_processor_is_visible()

References _processor, zbar::throw_exception(), and zbar::zbar_processor_is_visible().

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zbar::Processor::operator zbar_processor_t * ( )

inline

cast to C processor object.

References _processor.

Processor& zbar::Processor::operator<< ( Image & image )

inline

process the provided image for barcodes.

see zbar_process_image()

References process_image().

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void zbar::Processor::process_image ( Image & image )

inline

process the provided image for barcodes.

see zbar_process_image()

References _processor, zbar::throw_exception(), and zbar::zbar_process_image().

Referenced by operator<<().

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void zbar::Processor::process_one ( int timeout = FOREVER )

inline

process from the video stream until a result is available.

see zbar_process_one()

References _processor, zbar::throw_exception(), and zbar::zbar_process_one().

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void zbar::Processor::request_interface ( int version )

inline

request a preferred driver interface version for debug/testing.

see zbar_processor_request_interface()

Since: 0.6

References _processor, and zbar::zbar_processor_request_interface().

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void zbar::Processor::request_iomode ( int iomode )

inline

request a preferred I/O mode for debug/testing.

see zbar_processor_request_iomode()

Since: 0.7

References _processor, zbar::throw_exception(), and zbar::zbar_processor_request_iomode().

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void zbar::Processor::request_size	(	int	width,
		int	height
	)

inline

request a preferred size for the video image from the device.

see zbar_processor_request_size()

Since: 0.6

References _processor, and zbar::zbar_processor_request_size().

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void zbar::Processor::set_active ( bool active = true )

inline

control the processor in free running video mode.

see zbar_processor_set_active()

References _processor, zbar::throw_exception(), and zbar::zbar_processor_set_active().

Referenced by main().

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int zbar::Processor::set_config	(	zbar_symbol_type_t	symbology,
		zbar_config_t	config,
		int	value
	)

inline

set config for indicated symbology (0 for all) to specified value.

See also: zbar_processor_set_config()

Since: 0.4

References _processor, and zbar::zbar_processor_set_config().

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int zbar::Processor::set_config ( std::string cfgstr )

inline

set config parsed from configuration string.

See also: zbar_processor_parse_config()

Since: 0.4

References _processor, and zbar::zbar_processor_parse_config().

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void zbar::Processor::set_handler ( Image::Handler & handler )

inline

setup result handler callback.

see zbar_processor_set_data_handler()

References _processor, and zbar::zbar_processor_set_data_handler().

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void zbar::Processor::set_visible ( bool visible = true )

inline

show or hide the display window owned by the library.

see zbar_processor_set_visible()

References _processor, zbar::throw_exception(), read_one::visible, and zbar::zbar_processor_set_visible().

Referenced by main().

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int zbar::Processor::user_wait ( int timeout = FOREVER )

inline

wait for input to the display window from the user.

see zbar_processor_user_wait()

References _processor, zbar::throw_exception(), and zbar::zbar_processor_user_wait().

Referenced by main().

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Member Data Documentation

zbar_processor_t* zbar::Processor::_processor

private

Referenced by force_format(), get_results(), init(), is_visible(), operator zbar_processor_t *(), process_image(), process_one(), Processor(), request_interface(), request_iomode(), request_size(), set_active(), set_config(), set_handler(), set_visible(), user_wait(), and ~Processor().

const int zbar::Processor::FOREVER

static

value to pass for no timeout.

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

Processor.h

Public Member Functions

Static Public Attributes

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation