#include "txt-eng-ft.h"

Inheritance diagram for ft_render:

Collaboration diagram for ft_render:

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_render (void)
	~ft_render (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=0.0, const caseless_str &interpreter="tex")
uint8NDArray	get_pixels (void) const
uint8NDArray	render (text_element *elt, Matrix &box, int rotation=ROTATION_0)
void	reset (void)
void	set_color (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 &pixels_, Matrix &bbox, int halign, int valign, double rotation, const caseless_str &interpreter="tex")
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_render (const ft_render &)
void	compute_bbox (void)
int	compute_line_xoffset (const Matrix &lb) const
ft_render &	operator= (const ft_render &)
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_yoffset
int	mode
uint8NDArray	pixels
int	xoffset
int	yoffset

Detailed Description

Definition at line 38 of file txt-eng-ft.h.

Member Enumeration Documentation

anonymous enum

Enumerator:

MODE_BBOX
MODE_RENDER

Definition at line 43 of file txt-eng-ft.h.

anonymous enum

Enumerator:

ROTATION_0
ROTATION_90
ROTATION_180
ROTATION_270

Definition at line 49 of file txt-eng-ft.h.

Constructor & Destructor Documentation

ft_render::ft_render ( void )

Definition at line 310 of file txt-eng-ft.cc.

ft_render::~ft_render ( void )

Definition at line 317 of file txt-eng-ft.cc.

ft_render::ft_render ( const ft_render & )

private

Member Function Documentation

void ft_render::compute_bbox ( void )

private

Definition at line 397 of file txt-eng-ft.cc.

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

Referenced by get_extent(), and render().

int ft_render::compute_line_xoffset ( const Matrix & lb ) const

private

Definition at line 378 of file txt-eng-ft.cc.

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

Referenced by push_new_line(), and set_mode().

Matrix ft_render::get_boundingbox ( void ) const

inline

Definition at line 86 of file txt-eng-ft.h.

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

Definition at line 918 of file txt-eng-ft.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(), and uicontrol::properties::update_text_extent().

Matrix ft_render::get_extent	(	const std::string &	txt,
		double	rotation = `0.0`,
		const caseless_str &	interpreter = `"tex"`
	)

Definition at line 943 of file txt-eng-ft.cc.

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

uint8NDArray ft_render::get_pixels ( void ) const

inline

Definition at line 84 of file txt-eng-ft.h.

ft_render& ft_render::operator= ( const ft_render & )

private

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

private

Definition at line 501 of file txt-eng-ft.cc.

References color, Array< T >::dim2(), Array< T >::dim3(), font, ft_render::ft_font::get_face(), gripe_glyph_render(), gripe_missing_glyph(), line_bbox, line_yoffset, mode, MODE_BBOX, MODE_RENDER, pixels, push_new_line(), xmax(), xoffset, and yoffset.

Referenced by visit().

void ft_render::push_new_line ( void )

private

Definition at line 331 of file txt-eng-ft.cc.

References compute_line_xoffset(), font, ft_render::ft_font::get_face(), line_bbox, line_yoffset, mode, MODE_BBOX, MODE_RENDER, xoffset, and yoffset.

Referenced by process_character(), and set_mode().

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

Definition at line 851 of file txt-eng-ft.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, and set_mode().

Referenced by text_to_pixels().

void ft_render::reset ( void )

virtual

Reimplemented from text_processor.

Definition at line 831 of file txt-eng-ft.cc.

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

int ft_render::rotation_to_mode ( double rotation ) const

private

Definition at line 954 of file txt-eng-ft.cc.

References ROTATION_0, ROTATION_180, ROTATION_270, and ROTATION_90.

Referenced by get_extent(), and text_to_pixels().

void ft_render::set_color ( Matrix c )

Definition at line 838 of file txt-eng-ft.cc.

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

Referenced by reset(), and visit().

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

Definition at line 322 of file txt-eng-ft.cc.

References font.

Referenced by uicontrol::properties::update_text_extent(), and visit().

void ft_render::set_mode ( int m )

Definition at line 465 of file txt-eng-ft.cc.

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

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

void ft_render::text_to_pixels	(	const std::string &	txt,
		uint8NDArray &	pixels_,
		Matrix &	bbox,
		int	halign,
		int	valign,
		double	rotation,
		const caseless_str &	interpreter = `"tex"`
	)