Image_unit Class Reference

Display facility of an Image. More...

#include <display_unit.hpp>

Inheritance diagram for Image_unit:

Collaboration diagram for Image_unit:

List of all members.

Public Member Functions
	Image_unit (const std::string &filepath, bool mod=true)
	Constructs an image from a file and initialize the unit.
	Image_unit (const Image_unit *from, unsigned height, unsigned width, bool mod=true)
	Image_unit (const Image_unit &other)
	Image_unit (Image_unit &&other) noexcept
Image_unit &	operator= (Image_unit other) noexcept
virtual bool	on_draw (const Cairo::RefPtr< Cairo::Context > &context)
	Draws the image on a Cairo::Context.
bool	modifiable () const
	Is the unit usable as source of a processing.
void	redraw ()
bool	save () const
void	save_as (const std::string &) const
std::string	get_path () const
void	set_page (const Display_page *)
std::tuple< int, int, int, int >	selection () const
Private Attributes
const Display_page *	page
Cairo::RefPtr < Cairo::ImageSurface >	image_surface
Cairo::RefPtr< Cairo::Context >	image_context
bool	is_modifiable
std::string	filepath
Friends
void	swap (Image_unit &lhs, Image_unit &rhs) noexcept

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Detailed Description

Display facility of an Image.

Definition at line 49 of file display_unit.hpp.

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Constructor & Destructor Documentation

Image_unit::Image_unit	(	const std::string &	filepath,
		bool	mod = true
	)		[explicit]

Constructs an image from a file and initialize the unit.

Parameters:

filepath

the path to the image file

Definition at line 15 of file display_unit.cpp.

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Image_unit::Image_unit	(	const Image_unit *	from,
		unsigned	height,
		unsigned	width,
		bool	mod = true
	)		[explicit]

Definition at line 26 of file display_unit.cpp.

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Image_unit::Image_unit

(

const Image_unit &

other

)

Definition at line 37 of file display_unit.cpp.

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Image_unit::Image_unit

(

Image_unit &&

other

)

Definition at line 48 of file display_unit.cpp.

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Member Function Documentation

std::string Image_unit::get_path

(

)

const

Definition at line 108 of file display_unit.cpp.

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bool Image_unit::modifiable

(

)

const [virtual]

Is the unit usable as source of a processing.

Implements Display_unit.

Definition at line 81 of file display_unit.cpp.

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bool Image_unit::on_draw

(

const Cairo::RefPtr< Cairo::Context > &

context

)

[virtual]

Draws the image on a Cairo::Context.

This function is inherited from Gtk::DrawingArea, the signal connection is already done by gtkmm.

Parameters:

context

the context to draw on

Definition at line 75 of file display_unit.cpp.

Image_unit & Image_unit::operator=

(

Image_unit

other

)

Definition at line 52 of file display_unit.cpp.

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void Image_unit::redraw

(

)

Definition at line 68 of file display_unit.cpp.

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bool Image_unit::save

(

)

const [virtual]

Implements Display_unit.

Definition at line 85 of file display_unit.cpp.

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void Image_unit::save_as

(

const std::string &

fp

)

const [virtual]

Implements Display_unit.

Definition at line 98 of file display_unit.cpp.

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std::tuple< int, int, int, int > Image_unit::selection

(

)

const

Definition at line 116 of file display_unit.cpp.

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void Image_unit::set_page

(

const Display_page *

dp

)

Definition at line 112 of file display_unit.cpp.

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Friends And Related Function Documentation

void swap	(	Image_unit &	lhs,
		Image_unit &	rhs
	)		[friend]

Definition at line 57 of file display_unit.cpp.

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Member Data Documentation

std::string Image_unit::filepath [mutable, private]

Definition at line 92 of file display_unit.hpp.

Cairo::RefPtr<Cairo::Context> Image_unit::image_context [private]

The context on which the Image is drawn

Definition at line 89 of file display_unit.hpp.

Cairo::RefPtr<Cairo::ImageSurface> Image_unit::image_surface [private]

The surface containing the Image

Definition at line 88 of file display_unit.hpp.

bool Image_unit::is_modifiable [private]

Definition at line 91 of file display_unit.hpp.

const Display_page* Image_unit::page [private]

Definition at line 87 of file display_unit.hpp.

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

• /homes/esi30/DCS339/coursework/src/display_unit.hpp
• /homes/esi30/DCS339/coursework/src/display_unit.cpp