Graphics::EllipseRenderer Class Reference

Draws an ellipse outline. More...

#include <Renderer.h>

Inheritance diagram for Graphics::EllipseRenderer:

Collaboration diagram for Graphics::EllipseRenderer:

Public Member Functions
	EllipseRenderer (const Location &location, const Pen &pen, const Rect &rect)
	EllipseRenderer (const Location &location, const EllipseObject &object)
	EllipseRenderer (const Location &location, const CircleObject &object)
bool	execute (Surface &surface) override
	Called to do some writing to the surface. More...
Public Member Functions inherited from Graphics::Renderer
	Renderer (const Location &location)
	Constructor. More...
virtual	~Renderer ()
Public Member Functions inherited from LinkedObjectTemplate< Renderer >
Renderer *	getNext () const
bool	insertAfter (Renderer *object)
Iterator	begin () const
Iterator	end () const
Iterator	cbegin () const
Iterator	cend () const
Public Member Functions inherited from LinkedObject
virtual	~LinkedObject ()
virtual LinkedObject *	next () const
bool	insertAfter (LinkedObject *object)
bool	operator== (const LinkedObject &other) const
bool	operator!= (const LinkedObject &other) const

Protected Types
enum	State {   State::init, State::running, State::final1, State::final2,   State::done }

Protected Member Functions
virtual void	addRectangles1 ()
virtual void	addRectangles2 ()
virtual void	final ()

Protected Attributes
const Rect	r
Rect	r1
Rect	r2
ArcRectList	rectangles
const uint16_t	w
uint16_t	W
State	state {}
Protected Attributes inherited from Graphics::Renderer
Location	location

Additional Inherited Members
Public Types inherited from Graphics::Renderer
using	List = LinkedObjectListTemplate< Renderer >
using	OwnedList = OwnedLinkedObjectListTemplate< Renderer >
Public Types inherited from LinkedObjectTemplate< Renderer >
using	Iterator = IteratorTemplate< Renderer, Renderer *, Renderer & >
using	ConstIterator = IteratorTemplate< const Renderer, const Renderer *, const Renderer & >

Detailed Description

Draws an ellipse outline.

Uses McIlroy's Ellipse Algorithm

See http://enchantia.com/graphapp/doc/tech/ellipses.html

Member Enumeration Documentation

State

enum Graphics::EllipseRenderer::State

strongprotected

Enumerator
init
running
final1
final2
done

Constructor & Destructor Documentation

EllipseRenderer() [1/3]

Graphics::EllipseRenderer::EllipseRenderer ( const Location &  location, const Pen &  pen, const Rect &  rect  )

inline

EllipseRenderer() [2/3]

Graphics::EllipseRenderer::EllipseRenderer ( const Location &  location, const EllipseObject &  object  )

inline

EllipseRenderer() [3/3]

Graphics::EllipseRenderer::EllipseRenderer ( const Location &  location, const CircleObject &  object  )

inline

Member Function Documentation

addRectangles1()

virtual void Graphics::EllipseRenderer::addRectangles1 ( )

protectedvirtual

Reimplemented in Graphics::ArcRenderer.

addRectangles2()

virtual void Graphics::EllipseRenderer::addRectangles2 ( )

protectedvirtual

Reimplemented in Graphics::ArcRenderer.

execute()

bool Graphics::EllipseRenderer::execute ( Surface &  surface )

overridevirtual

Called to do some writing to the surface.

Return values

bool	true when rendering is complete, false if more work to be done

Implements Graphics::Renderer.

Reimplemented in Graphics::ArcRenderer.

final()

virtual void Graphics::EllipseRenderer::final ( )

protectedvirtual

Reimplemented in Graphics::ArcRenderer.

Member Data Documentation

r

const Rect Graphics::EllipseRenderer::r

protected

r1

Rect Graphics::EllipseRenderer::r1

protected

r2

Rect Graphics::EllipseRenderer::r2

protected

rectangles

ArcRectList Graphics::EllipseRenderer::rectangles

protected

state

State Graphics::EllipseRenderer::state {}

protected

w

const uint16_t Graphics::EllipseRenderer::w

protected

W

uint16_t Graphics::EllipseRenderer::W

protected

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

• Renderer.h