Inheritance diagram for octave::ft_text_renderer:

Collaboration diagram for octave::ft_text_renderer:

Classes
class	ft_font

Public Types
enum	{ MODE_BBOX = 0, MODE_RENDER = 1 }

enum	{ ROTATION_0 = 0, ROTATION_90 = 1, ROTATION_180 = 2, ROTATION_270 = 3 }

Public Member Functions
	ft_text_renderer (void)

	~ft_text_renderer (void)

Matrix	get_boundingbox (void) const

Matrix	get_extent (text_element *elt, double rotation=0.0)

Matrix	get_extent (const std::string &txt, double rotation, const caseless_str &interpreter)

uint8NDArray	get_pixels (void) const

uint8NDArray	render (text_element *elt, Matrix &box, int rotation=ROTATION_0)

void	reset (void)

void	set_color (const Matrix &c)

void	set_font (const std::string &name, const std::string &weight, const std::string &angle, double size)

void	set_mode (int m)

void	text_to_pixels (const std::string &txt, uint8NDArray &pxls, Matrix &bbox, int halign, int valign, double rotation, const caseless_str &interpreter, bool handle_rotation)

void	text_to_strlist (const std::string &txt, std::list< text_renderer::string > &lst, Matrix &bbox, int halign, int valign, double rotation, const caseless_str &interp)

void	visit (text_element_string &e)

void	visit (text_element_list &e)

void	visit (text_element_subscript &e)

void	visit (text_element_superscript &e)

void	visit (text_element_color &e)

void	visit (text_element_fontsize &e)

void	visit (text_element_fontname &e)

void	visit (text_element_fontstyle &e)

void	visit (text_element_symbol &e)

void	visit (text_element_combined &e)

Private Member Functions
	ft_text_renderer (const ft_text_renderer &)

void	compute_bbox (void)

int	compute_line_xoffset (const Matrix &lb) const

ft_text_renderer &	operator= (const ft_text_renderer &)

FT_UInt	process_character (FT_ULong code, FT_UInt previous=0)

void	push_new_line (void)

int	rotation_to_mode (double rotation) const

void	update_line_bbox (void)

Private Attributes
Matrix	bbox

uint8NDArray	color

ft_font	font

int	halign

std::list< Matrix >	line_bbox

int	line_xoffset

int	line_yoffset

int	mode

uint8NDArray	pixels

std::list< text_renderer::string >	strlist

int	xoffset

int	yoffset

Detailed Description

Definition at line 326 of file ft-text-renderer.cc.

Member Enumeration Documentation

anonymous enum

Enumerator
MODE_BBOX
MODE_RENDER

Definition at line 332 of file ft-text-renderer.cc.

anonymous enum

Enumerator
ROTATION_0
ROTATION_90
ROTATION_180
ROTATION_270

Definition at line 338 of file ft-text-renderer.cc.

Constructor & Destructor Documentation

octave::ft_text_renderer::ft_text_renderer ( void )

inline

Definition at line 348 of file ft-text-renderer.cc.

octave::ft_text_renderer::~ft_text_renderer ( void )

inline

Definition at line 354 of file ft-text-renderer.cc.

octave::ft_text_renderer::ft_text_renderer ( const ft_text_renderer & )

private

Member Function Documentation

void octave::ft_text_renderer::compute_bbox ( void )

private

Definition at line 587 of file ft-text-renderer.cc.

References bbox, Matrix::extract(), Array< T >::is_empty(), line_bbox, and octave::math::max().

Referenced by get_extent(), and render().

int octave::ft_text_renderer::compute_line_xoffset ( const Matrix & lb ) const

private

Definition at line 568 of file ft-text-renderer.cc.

References bbox, halign, and Array< T >::is_empty().

Referenced by push_new_line(), and set_mode().

Matrix octave::ft_text_renderer::get_boundingbox ( void ) const

inline

Definition at line 380 of file ft-text-renderer.cc.

Matrix octave::ft_text_renderer::get_extent	(	text_element *	elt,
		double	rotation = `0.0`
	)

virtual

Implements octave::base_text_renderer.

Definition at line 1182 of file ft-text-renderer.cc.

References text_element::accept(), bbox, compute_bbox(), MODE_BBOX, ROTATION_0, ROTATION_180, ROTATION_270, ROTATION_90, rotation_to_mode(), and set_mode().

Referenced by get_extent().

Matrix octave::ft_text_renderer::get_extent	(	const std::string &	txt,
		double	rotation,
		const caseless_str &	interpreter
	)

virtual

Implements octave::base_text_renderer.

Definition at line 1208 of file ft-text-renderer.cc.

References get_extent(), and text_parser::parse().

uint8NDArray octave::ft_text_renderer::get_pixels ( void ) const

inline

Definition at line 378 of file ft-text-renderer.cc.

ft_text_renderer& octave::ft_text_renderer::operator= ( const ft_text_renderer & )

private

FT_UInt octave::ft_text_renderer::process_character	(	FT_ULong	code,
		FT_UInt	previous = `0`
	)

private

Definition at line 696 of file ft-text-renderer.cc.

References c, color, Array< T >::dim2(), Array< T >::dim3(), font, octave::ft_text_renderer::ft_font::get_face(), line_bbox, line_yoffset, octave::math::max(), mode, MODE_BBOX, MODE_RENDER, pixels, push_new_line(), warn_glyph_render(), warn_missing_glyph(), xoffset, and yoffset.

Referenced by visit().

void octave::ft_text_renderer::push_new_line ( void )

private

Definition at line 521 of file ft-text-renderer.cc.

References compute_line_xoffset(), font, octave::ft_text_renderer::ft_font::get_face(), h, line_bbox, line_xoffset, line_yoffset, mode, MODE_BBOX, MODE_RENDER, xoffset, and yoffset.

Referenced by process_character(), and set_mode().

uint8NDArray octave::ft_text_renderer::render	(	text_element *	elt,
		Matrix &	box,
		int	rotation = `ROTATION_0`
	)

Definition at line 1109 of file ft-text-renderer.cc.

References text_element::accept(), bbox, compute_bbox(), Array< T >::dim2(), Array< T >::dim3(), Array< T >::index(), idx_vector::index(), MODE_BBOX, MODE_RENDER, Array< T >::numel(), MArray< T >::permute(), pixels, ROTATION_0, ROTATION_180, ROTATION_270, ROTATION_90, set_mode(), and strlist.

Referenced by text_to_pixels().

void octave::ft_text_renderer::reset ( void )

virtual

Reimplemented from text_processor.

Definition at line 1089 of file ft-text-renderer.cc.

References MODE_BBOX, set_color(), and set_mode().

int octave::ft_text_renderer::rotation_to_mode ( double rotation ) const

private

Definition at line 1219 of file ft-text-renderer.cc.

References ROTATION_0, ROTATION_180, ROTATION_270, and ROTATION_90.

Referenced by get_extent(), and text_to_pixels().

void octave::ft_text_renderer::set_color ( const Matrix & c )

virtual

Implements octave::base_text_renderer.

Definition at line 1096 of file ft-text-renderer.cc.

References c, color, Array< T >::numel(), and warning().

Referenced by reset(), and visit().

void octave::ft_text_renderer::set_font	(	const std::string &	name,
		const std::string &	weight,
		const std::string &	angle,
		double	size
	)

virtual

Implements octave::base_text_renderer.

Definition at line 512 of file ft-text-renderer.cc.

References font.

Referenced by visit().

void octave::ft_text_renderer::set_mode ( int m )

Definition at line 657 of file ft-text-renderer.cc.

References bbox, compute_line_xoffset(), d, error(), line_bbox, line_yoffset, m, mode, MODE_BBOX, MODE_RENDER, Array< T >::numel(), pixels, push_new_line(), xoffset, and yoffset.

Referenced by get_extent(), render(), and reset().

void octave::ft_text_renderer::text_to_pixels	(	const std::string &	txt,
		uint8NDArray &	pxls,
		Matrix &	bbox,
		int	halign,
		int	valign,
		double	rotation,
		const caseless_str &	interpreter,
		bool	handle_rotation
	)

virtual

Implements octave::base_text_renderer.

Definition at line 1240 of file ft-text-renderer.cc.

References box(), halign, Array< T >::is_empty(), text_parser::parse(), render(), ROTATION_180, ROTATION_270, ROTATION_90, rotation_to_mode(), and swap.

Referenced by text_to_strlist().

void octave::ft_text_renderer::text_to_strlist	(	const std::string &	txt,
		std::list< text_renderer::string > &	lst,
		Matrix &	bbox,
		int	halign,
		int	valign,
		double	rotation,
		const caseless_str &	interp
	)