octave::ft_text_renderer Class Reference

Inheritance diagram for octave::ft_text_renderer:

Collaboration diagram for octave::ft_text_renderer:

Classes
class	ft_font

Public Types
enum	{ ROTATION_0 = 0 , ROTATION_90 = 1 , ROTATION_180 = 2 , ROTATION_270 = 3 }
enum	{ MODE_BBOX = 0 , MODE_RENDER = 1 }

Public Member Functions
	ft_text_renderer (const ft_text_renderer &)=delete
	ft_text_renderer (void)
	~ft_text_renderer (void)=default
void	fix_bbox_anchor (Matrix &bbox, int halign, int valign, int rot_mode, bool handle_rotation) const
Matrix	get_boundingbox (void) const
Matrix	get_extent (const std::string &txt, double rotation, const caseless_str &interpreter)
Matrix	get_extent (text_element *elt, double rotation=0.0)
uint8NDArray	get_pixels (void) const
octave_map	get_system_fonts (void)
virtual bool	ok (void)
ft_text_renderer &	operator= (const ft_text_renderer &)=delete
uint8NDArray	render (text_element *elt, Matrix &box, int rotation=ROTATION_0)
void	reset (void)
void	rotate_pixels (uint8NDArray &pixels, int rot_mode) const
int	rotation_to_mode (double rotation) const
void	set_anti_aliasing (bool val)
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_color &e)
void	visit (text_element_combined &e)
void	visit (text_element_fontname &e)
void	visit (text_element_fontsize &e)
void	visit (text_element_fontstyle &e)
void	visit (text_element_list &e)
void	visit (text_element_string &e)
void	visit (text_element_subscript &e)
void	visit (text_element_superscript &e)
void	visit (text_element_symbol &e)

Private Member Functions
void	compute_bbox (void)
int	compute_line_xoffset (const Matrix &lb) const
FT_UInt	process_character (FT_ULong code, FT_UInt previous, std::string &sub_font)
void	push_new_line (void)
void	update_line_bbox (void)

Private Attributes
bool	m_antialias
Matrix	m_bbox
uint8NDArray	m_color
FT_Pos	m_deltax
bool	m_do_strlist
ft_font	m_font
int	m_halign
std::list< Matrix >	m_line_bbox
int	m_line_xoffset
int	m_line_yoffset
double	m_max_fontsize
int	m_mode
uint8NDArray	m_pixels
std::list< text_renderer::string >	m_strlist
int	m_xoffset
FT_Pos	m_ymax
FT_Pos	m_ymin
int	m_yoffset

Detailed Description

Definition at line 457 of file ft-text-renderer.cc.

Member Enumeration Documentation

anonymous enum

anonymous enum

inherited

Enumerator
ROTATION_0
ROTATION_90
ROTATION_180
ROTATION_270

Definition at line 48 of file base-text-renderer.h.

anonymous enum

anonymous enum

Enumerator
MODE_BBOX
MODE_RENDER

Definition at line 463 of file ft-text-renderer.cc.

Constructor & Destructor Documentation

ft_text_renderer() [1/2]

octave::ft_text_renderer::ft_text_renderer ( void  )

inline

Definition at line 471 of file ft-text-renderer.cc.

ft_text_renderer() [2/2]

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

delete

~ft_text_renderer()

octave::ft_text_renderer::~ft_text_renderer ( void  )

default

Member Function Documentation

compute_bbox()

void octave::ft_text_renderer::compute_bbox ( void  )

private

Definition at line 730 of file ft-text-renderer.cc.

References Matrix::extract(), Array< T, Alloc >::isempty(), m_bbox, m_line_bbox, m_max_fontsize, Matrix, octave::math::max(), and octave::math::round().

Referenced by get_extent(), and render().

compute_line_xoffset()

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

private

Definition at line 711 of file ft-text-renderer.cc.

References Array< T, Alloc >::isempty(), m_bbox, and m_halign.

Referenced by push_new_line(), and set_mode().

fix_bbox_anchor()

void octave::base_text_renderer::fix_bbox_anchor ( Matrix &  bbox, int  halign, int  valign, int  rot_mode, bool  handle_rotation  ) const

inherited

Definition at line 109 of file base-text-renderer.cc.

References octave::base_text_renderer::ROTATION_180, octave::base_text_renderer::ROTATION_270, and octave::base_text_renderer::ROTATION_90.

Referenced by text_to_pixels(), and octave::latex_renderer::text_to_pixels().

get_boundingbox()

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

inline

Definition at line 511 of file ft-text-renderer.cc.

get_extent() [1/2]

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 1443 of file ft-text-renderer.cc.

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

get_extent() [2/2]

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

virtual

Implements octave::base_text_renderer.

Definition at line 1417 of file ft-text-renderer.cc.

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

Referenced by get_extent().

get_pixels()

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

inline

Definition at line 509 of file ft-text-renderer.cc.

get_system_fonts()

octave_map octave::ft_text_renderer::get_system_fonts ( void  )

virtual

Implements octave::base_text_renderer.

Definition at line 663 of file ft-text-renderer.cc.

References octave::ft_manager::get_system_fonts().

ok()

virtual bool octave::base_text_renderer::ok ( void  )

inlinevirtualinherited

Reimplemented in octave::latex_renderer.

Definition at line 81 of file base-text-renderer.h.

Referenced by octave::text_renderer::get_extent(), octave::text_renderer::text_to_pixels(), and octave::text_renderer::text_to_strlist().

operator=()

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

delete

process_character()

FT_UInt octave::ft_text_renderer::process_character ( FT_ULong  code, FT_UInt  previous, std::string &  sub_font  )

private

Definition at line 835 of file ft-text-renderer.cc.

References Array< T, Alloc >::dim2(), Array< T, Alloc >::dim3(), octave::math::floor(), octave::text_renderer::font::get_angle(), octave::ft_text_renderer::ft_font::get_face(), octave::ft_manager::get_font(), octave::text_renderer::font::get_name(), octave::text_renderer::font::get_size(), octave::text_renderer::font::get_weight(), octave::is_opaque(), m_antialias, m_color, m_deltax, m_font, m_line_bbox, m_line_yoffset, m_mode, m_pixels, m_xoffset, m_ymax, m_ymin, m_yoffset, octave::math::max(), octave::math::min(), MODE_BBOX, MODE_RENDER, process_character(), push_new_line(), update_line_bbox(), octave::warn_glyph_render(), octave::warn_missing_glyph(), and warning_with_id().

Referenced by process_character(), and visit().

push_new_line()

void octave::ft_text_renderer::push_new_line ( void  )

private

Definition at line 669 of file ft-text-renderer.cc.

References compute_line_xoffset(), octave::ft_text_renderer::ft_font::get_face(), m_deltax, m_font, m_line_bbox, m_line_xoffset, m_line_yoffset, m_max_fontsize, m_mode, m_xoffset, m_ymax, m_ymin, m_yoffset, MODE_BBOX, MODE_RENDER, and octave::math::round().

Referenced by process_character(), and set_mode().

render()

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

Definition at line 1392 of file ft-text-renderer.cc.

References octave::text_element::accept(), box(), compute_bbox(), m_bbox, m_pixels, MODE_BBOX, MODE_RENDER, Array< T, Alloc >::numel(), octave::base_text_renderer::rotate_pixels(), and set_mode().

Referenced by text_to_pixels().

reset()

void octave::ft_text_renderer::reset ( void  )

virtual

Reimplemented from octave::text_processor.

Definition at line 1371 of file ft-text-renderer.cc.

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

rotate_pixels()

void octave::base_text_renderer::rotate_pixels ( uint8NDArray &  pixels, int  rot_mode  ) const

inherited

Definition at line 35 of file base-text-renderer.cc.

References Array< T, Alloc >::dim2(), Array< T, Alloc >::dim3(), Array< T, Alloc >::index(), MArray< T >::permute(), octave::base_text_renderer::ROTATION_0, octave::base_text_renderer::ROTATION_180, octave::base_text_renderer::ROTATION_270, and octave::base_text_renderer::ROTATION_90.

Referenced by render(), and octave::latex_renderer::text_to_pixels().

rotation_to_mode()

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

inherited

Definition at line 88 of file base-text-renderer.cc.

References octave::base_text_renderer::ROTATION_0, octave::base_text_renderer::ROTATION_180, octave::base_text_renderer::ROTATION_270, and octave::base_text_renderer::ROTATION_90.

Referenced by get_extent(), text_to_pixels(), and octave::latex_renderer::text_to_pixels().

set_anti_aliasing()

void octave::ft_text_renderer::set_anti_aliasing ( bool  val )

inlinevirtual

Implements octave::base_text_renderer.

Definition at line 520 of file ft-text-renderer.cc.

set_color()

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

virtual

Implements octave::base_text_renderer.

Definition at line 1379 of file ft-text-renderer.cc.

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

Referenced by reset(), and visit().

set_font()

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 654 of file ft-text-renderer.cc.

References m_font, and name.

Referenced by visit().

set_mode()

void octave::ft_text_renderer::set_mode

(

int

m

)

Definition at line 784 of file ft-text-renderer.cc.

References compute_line_xoffset(), d, error(), m_bbox, m_line_bbox, m_line_yoffset, m_max_fontsize, m_mode, m_pixels, m_xoffset, m_yoffset, Matrix, MODE_BBOX, MODE_RENDER, Array< T, Alloc >::numel(), and push_new_line().

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

text_to_pixels()

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 1454 of file ft-text-renderer.cc.

References box(), octave::base_text_renderer::fix_bbox_anchor(), Array< T, Alloc >::isempty(), m_halign, octave::text_parser::parse(), render(), and octave::base_text_renderer::rotation_to_mode().

Referenced by text_to_strlist().

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  )

virtual

Implements octave::base_text_renderer.

Definition at line 1039 of file ft-text-renderer.cc.

References box(), m_do_strlist, m_strlist, and text_to_pixels().

update_line_bbox()

void octave::ft_text_renderer::update_line_bbox ( void  )

private

Definition at line 764 of file ft-text-renderer.cc.

References m_deltax, m_line_bbox, m_mode, m_ymax, m_ymin, and MODE_BBOX.

Referenced by process_character(), and visit().

visit() [1/10]

void octave::ft_text_renderer::visit ( text_element_color &  e )

virtual

Reimplemented from octave::text_processor.

Definition at line 1251 of file ft-text-renderer.cc.

References octave::text_element_color::get_color(), m_mode, MODE_RENDER, and set_color().

visit() [2/10]

void octave::ft_text_renderer::visit ( text_element_combined &  e )

virtual

Reimplemented from octave::text_processor.

Definition at line 1355 of file ft-text-renderer.cc.

References m_xoffset, and octave::math::max().

visit() [3/10]

void octave::ft_text_renderer::visit ( text_element_fontname &  e )

virtual

Reimplemented from octave::text_processor.

Definition at line 1273 of file ft-text-renderer.cc.

References octave::text_renderer::font::get_angle(), octave::text_element_fontname::get_fontname(), octave::text_renderer::font::get_size(), octave::text_renderer::font::get_weight(), m_font, m_mode, MODE_BBOX, set_font(), and update_line_bbox().

visit() [4/10]

void octave::ft_text_renderer::visit ( text_element_fontsize &  e )

virtual

Reimplemented from octave::text_processor.

Definition at line 1258 of file ft-text-renderer.cc.

References octave::text_renderer::font::get_angle(), octave::text_element_fontsize::get_fontsize(), octave::text_renderer::font::get_name(), octave::text_renderer::font::get_weight(), m_font, m_mode, MODE_BBOX, set_font(), and update_line_bbox().

visit() [5/10]

void octave::ft_text_renderer::visit ( text_element_fontstyle &  e )

virtual

Reimplemented from octave::text_processor.

Definition at line 1283 of file ft-text-renderer.cc.

References octave::text_element_fontstyle::bold, octave::text_element_fontstyle::get_fontstyle(), octave::text_renderer::font::get_name(), octave::text_renderer::font::get_size(), octave::text_element_fontstyle::italic, m_font, m_mode, MODE_BBOX, octave::text_element_fontstyle::normal, octave::text_element_fontstyle::oblique, set_font(), and update_line_bbox().

visit() [6/10]

void octave::ft_text_renderer::visit ( text_element_list &  e )

virtual

Reimplemented from octave::text_processor.

Definition at line 1175 of file ft-text-renderer.cc.

References m_color, m_font, and octave::text_processor::visit().

visit() [7/10]

void octave::ft_text_renderer::visit ( text_element_string &  e )

virtual

Reimplemented from octave::text_processor.

Definition at line 1063 of file ft-text-renderer.cc.

References octave::ft_text_renderer::ft_font::get_face(), octave::text_renderer::string::get_family(), octave::text_renderer::font::get_size(), octave::text_renderer::string::get_string(), octave::ft_text_renderer::ft_font::is_valid(), m_color, m_do_strlist, m_font, m_line_xoffset, m_line_yoffset, m_max_fontsize, m_mode, m_strlist, m_xoffset, m_yoffset, max(), MODE_RENDER, octave_u8_strmbtouc_wrapper(), process_character(), octave::text_renderer::string::set_color(), octave::text_renderer::string::set_family(), octave::text_renderer::string::set_string(), octave::text_renderer::string::set_xdata(), octave::text_renderer::string::set_y(), and octave::text_element_string::string_value().

visit() [8/10]

void octave::ft_text_renderer::visit ( text_element_subscript &  e )

virtual

Reimplemented from octave::text_processor.

Definition at line 1189 of file ft-text-renderer.cc.

References octave::math::ceil(), octave::text_renderer::font::get_angle(), octave::text_renderer::font::get_name(), octave::text_renderer::font::get_size(), octave::text_renderer::font::get_weight(), octave::ft_text_renderer::ft_font::is_valid(), m_font, m_line_yoffset, m_mode, m_yoffset, max(), MODE_BBOX, set_font(), update_line_bbox(), and octave::text_processor::visit().

visit() [9/10]

void octave::ft_text_renderer::visit ( text_element_superscript &  e )

virtual

Reimplemented from octave::text_processor.

Definition at line 1220 of file ft-text-renderer.cc.

References octave::math::ceil(), octave::text_renderer::font::get_angle(), octave::text_renderer::font::get_name(), octave::text_renderer::font::get_size(), octave::text_renderer::font::get_weight(), octave::ft_text_renderer::ft_font::is_valid(), m_font, m_line_yoffset, m_mode, m_yoffset, max(), MODE_BBOX, set_font(), update_line_bbox(), and octave::text_processor::visit().

visit() [10/10]

void octave::ft_text_renderer::visit ( text_element_symbol &  e )

virtual

Reimplemented from octave::text_processor.

Definition at line 1309 of file ft-text-renderer.cc.

References octave::text_renderer::string::get_code(), octave::ft_text_renderer::ft_font::get_face(), octave::text_renderer::string::get_family(), octave::text_element_symbol::get_symbol(), octave::text_element_symbol::get_symbol_code(), octave::text_element_symbol::invalid_code, octave::ft_text_renderer::ft_font::is_valid(), m_color, m_do_strlist, m_font, m_line_yoffset, m_mode, m_strlist, m_xoffset, m_yoffset, MODE_RENDER, process_character(), octave::text_renderer::string::set_code(), octave::text_renderer::string::set_color(), octave::text_renderer::string::set_family(), octave::text_renderer::string::set_xdata(), octave::text_renderer::string::set_y(), and warning().

Member Data Documentation

m_antialias

bool octave::ft_text_renderer::m_antialias

private

Definition at line 649 of file ft-text-renderer.cc.

Referenced by process_character().

m_bbox

Matrix octave::ft_text_renderer::m_bbox

private

Definition at line 601 of file ft-text-renderer.cc.

Referenced by compute_bbox(), compute_line_xoffset(), get_extent(), render(), and set_mode().

m_color

uint8NDArray octave::ft_text_renderer::m_color

private

Definition at line 629 of file ft-text-renderer.cc.

Referenced by process_character(), set_color(), and visit().

m_deltax

FT_Pos octave::ft_text_renderer::m_deltax

private

Definition at line 643 of file ft-text-renderer.cc.

Referenced by process_character(), push_new_line(), and update_line_bbox().

m_do_strlist

bool octave::ft_text_renderer::m_do_strlist

private

Definition at line 632 of file ft-text-renderer.cc.

Referenced by text_to_strlist(), and visit().

m_font

ft_font octave::ft_text_renderer::m_font

private

Definition at line 594 of file ft-text-renderer.cc.

Referenced by process_character(), push_new_line(), set_font(), and visit().

m_halign

int octave::ft_text_renderer::m_halign

private

Definition at line 612 of file ft-text-renderer.cc.

Referenced by compute_line_xoffset(), and text_to_pixels().

m_line_bbox

std::list<Matrix> octave::ft_text_renderer::m_line_bbox

private

Definition at line 609 of file ft-text-renderer.cc.

Referenced by compute_bbox(), process_character(), push_new_line(), set_mode(), and update_line_bbox().

m_line_xoffset

int octave::ft_text_renderer::m_line_xoffset

private

Definition at line 636 of file ft-text-renderer.cc.

Referenced by push_new_line(), and visit().

m_line_yoffset

int octave::ft_text_renderer::m_line_yoffset

private

Definition at line 618 of file ft-text-renderer.cc.

Referenced by process_character(), push_new_line(), set_mode(), and visit().

m_max_fontsize

double octave::ft_text_renderer::m_max_fontsize

private

Definition at line 646 of file ft-text-renderer.cc.

Referenced by compute_bbox(), push_new_line(), set_mode(), and visit().

m_mode

int octave::ft_text_renderer::m_mode

private

Definition at line 626 of file ft-text-renderer.cc.

Referenced by process_character(), push_new_line(), set_mode(), update_line_bbox(), and visit().

m_pixels

uint8NDArray octave::ft_text_renderer::m_pixels

private

Definition at line 605 of file ft-text-renderer.cc.

Referenced by process_character(), render(), and set_mode().

m_strlist

std::list<text_renderer::string> octave::ft_text_renderer::m_strlist

private

Definition at line 633 of file ft-text-renderer.cc.

Referenced by reset(), text_to_strlist(), and visit().

m_xoffset

int octave::ft_text_renderer::m_xoffset

private

Definition at line 615 of file ft-text-renderer.cc.

Referenced by process_character(), push_new_line(), set_mode(), and visit().

m_ymax

FT_Pos octave::ft_text_renderer::m_ymax

private

Definition at line 640 of file ft-text-renderer.cc.

Referenced by process_character(), push_new_line(), and update_line_bbox().

m_ymin

FT_Pos octave::ft_text_renderer::m_ymin

private

Definition at line 639 of file ft-text-renderer.cc.

Referenced by process_character(), push_new_line(), and update_line_bbox().

m_yoffset

int octave::ft_text_renderer::m_yoffset

private

Definition at line 623 of file ft-text-renderer.cc.

Referenced by process_character(), push_new_line(), set_mode(), and visit().

---

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

• libinterp/corefcn/ft-text-renderer.cc