Art::Paperback::Graphics::Canvas Class Reference

Represents the drawable canvas of a page. More...

#include <art/paperback/graphics/canvas.hxx>

Classes
class	Begin_text
struct	Clear
struct	Internal
	Holds internal canvas data. More...
class	Path
	Path construction class. More...
class	Save
	Saves graphics state. More...
class	Set_font

Public Member Functions
	Canvas (Clear const &, Page &)
	Constructor.
	~Canvas ()
	Destructor.
Page &	page ()
	Access the parent page.
Page const &	page () const
	Access the parent page.
Carousel::Stream &	content ()
	Access the content stream.
Carousel::Stream const &	content () const
	Access the content stream.
void	set_stroke (double)
	Set stroke greyscale value.
void	set_fill (double)
	Set fill greyscale value.
void	set_stroke (Color_RGB const &)
	Set stroke RGB color.
void	set_fill (Color_RGB const &)
	Set fill RGB color.
double	get_text_width (string const &) const
	Compute text width.

Public Attributes
friend	Save
friend	Path
friend	Begin_text
friend	Set_font

Static Public Attributes
static constexpr Clear const	clear {}
	Dispatch-tag used to clear a canvas.

Private Member Functions
	Canvas (Canvas const &)=delete
	Canvas (Canvas &&)=delete
Canvas &	operator= (Canvas const &)=delete
Canvas &	operator= (Canvas &&)=delete

Private Attributes
unique_ptr< Internal >	internal

Detailed Description

Represents the drawable canvas of a page.

Constructor & Destructor Documentation

Canvas()

Art::Paperback::Graphics::Canvas::Canvas	(	Clear const &	,
		Page &	page )

Constructor.

Parameters

page	The parent page of this canvas.

~Canvas()

Art::Paperback::Graphics::Canvas::~Canvas

(

)

Destructor.

Member Function Documentation

page() [1/2]

Page & Art::Paperback::Graphics::Canvas::page

(

)

Access the parent page.

page() [2/2]

Page const & Art::Paperback::Graphics::Canvas::page

(

)

const

Access the parent page.

content() [1/2]

Carousel::Stream & Art::Paperback::Graphics::Canvas::content

(

)

Access the content stream.

content() [2/2]

Carousel::Stream const & Art::Paperback::Graphics::Canvas::content

(

)

const

Access the content stream.

set_stroke() [1/2]

void Art::Paperback::Graphics::Canvas::set_stroke

(

double

grey_level

)

Set stroke greyscale value.

Parameters

grey_level

The new grey level.

set_fill() [1/2]

void Art::Paperback::Graphics::Canvas::set_fill

(

double

grey_level

)

Set fill greyscale value.

Parameters

grey_level

The new grey level.

set_stroke() [2/2]

void Art::Paperback::Graphics::Canvas::set_stroke

(

Color_RGB const &

color

)

Set stroke RGB color.

Parameters

color

The new RGB color.

set_fill() [2/2]

void Art::Paperback::Graphics::Canvas::set_fill

(

Color_RGB const &

color

)

Set fill RGB color.

Parameters

color

The new RGB color.

get_text_width()

double Art::Paperback::Graphics::Canvas::get_text_width

(

string const &

text

)

const

Compute text width.

Parameters

text	The text for which to compute the width.

Member Data Documentation

clear

Clear const Art::Paperback::Graphics::Canvas::clear {}

staticconstexpr

Dispatch-tag used to clear a canvas.