Font resource. More...

#include </var/dev/u3d/stable/Source/Urho3D/UI/Font.h>

Inheritance diagram for Urho3D::Font:

Collaboration diagram for Urho3D::Font:

Public Member Functions
	Font (Context *context)
	Construct.

	~Font () override
	Destruct.

bool	BeginLoad (Deserializer &source) override
	Load resource from stream. May be called from a worker thread. Return true if successful. More...

bool	SaveXML (Serializer &dest, int pointSize, bool usedGlyphs=false, const String &indentation="\t")
	Save resource as a new bitmap font type in XML format. Return true if successful.

void	SetAbsoluteGlyphOffset (const IntVector2 &offset)

void	SetScaledGlyphOffset (const Vector2 &offset)

FontFace *	GetFace (float pointSize)
	Return font face. Pack and render to a texture if not rendered yet. Return null on error.

FontType	GetFontType () const

bool	IsSDFFont () const
	Is signed distance field font.

const IntVector2 &	GetAbsoluteGlyphOffset () const

const Vector2 &	GetScaledGlyphOffset () const

IntVector2	GetTotalGlyphOffset (float pointSize) const
	Return the total effective offset for a point size.

void	ReleaseFaces ()
	Release font faces and recreate them next time when requested. Called when font textures lost or global font properties change.

Public Member Functions inherited from Urho3D::Resource
	Resource (Context *context)
	Construct.

bool	Load (Deserializer &source)
	Load resource synchronously. Call both BeginLoad() & EndLoad() and return true if both succeeded.

virtual bool	BeginLoad (Deserializer &source)
	Load resource from stream. May be called from a worker thread. Return true if successful. More...

virtual bool	EndLoad ()
	Finish resource loading. Always called from the main thread. Return true if successful. More...

virtual bool	Save (Serializer &dest) const
	Save resource. Return true if successful. More...

bool	LoadFile (const String &fileName)

virtual bool	SaveFile (const String &fileName) const

void	SetName (const String &name)

void	SetMemoryUse (unsigned size)
	Set memory use in bytes, possibly approximate.

void	ResetUseTimer ()
	Reset last used timer.

void	SetAsyncLoadState (AsyncLoadState newState)
	Set the asynchronous loading state. Called by ResourceCache. Resources in the middle of asynchronous loading are not normally returned to user.

const String &	GetName () const

StringHash	GetNameHash () const
	Return name hash.

unsigned	GetMemoryUse () const

unsigned	GetUseTimer ()

AsyncLoadState	GetAsyncLoadState () const
	Return the asynchronous loading state.

Public Member Functions inherited from Urho3D::Object
	Object (Context *context)
	Construct.

	~Object () override
	Destruct. Clean up self from event sender & receiver structures.

virtual StringHash	GetType () const =0

virtual const String &	GetTypeName () const =0

virtual const TypeInfo *	GetTypeInfo () const =0
	Return type info.

virtual void	OnEvent (Object *sender, StringHash eventType, VariantMap &eventData)
	Handle event.

bool	IsInstanceOf (StringHash type) const
	Check current instance is type of specified type.

bool	IsInstanceOf (const TypeInfo *typeInfo) const
	Check current instance is type of specified type.

template<typename T >
bool	IsInstanceOf () const
	Check current instance is type of specified class.

template<typename T >
T *	Cast ()
	Cast the object to specified most derived class.

template<typename T >
const T *	Cast () const
	Cast the object to specified most derived class.

void	SubscribeToEvent (StringHash eventType, EventHandler *handler)
	Subscribe to an event that can be sent by any sender.

void	SubscribeToEvent (Object sender, StringHash eventType, EventHandler handler)
	Subscribe to a specific sender's event.

void	SubscribeToEvent (StringHash eventType, const std::function< void(StringHash, VariantMap &)> &function, void *userData=nullptr)
	Subscribe to an event that can be sent by any sender.

void	SubscribeToEvent (Object sender, StringHash eventType, const std::function< void(StringHash, VariantMap &)> &function, void userData=nullptr)
	Subscribe to a specific sender's event.

void	UnsubscribeFromEvent (StringHash eventType)
	Unsubscribe from an event.

void	UnsubscribeFromEvent (Object *sender, StringHash eventType)
	Unsubscribe from a specific sender's event.

void	UnsubscribeFromEvents (Object *sender)
	Unsubscribe from a specific sender's events.

void	UnsubscribeFromAllEvents ()
	Unsubscribe from all events.

void	UnsubscribeFromAllEventsExcept (const PODVector< StringHash > &exceptions, bool onlyUserData)
	Unsubscribe from all events except those listed, and optionally only those with userdata (script registered events).

void	SendEvent (StringHash eventType)
	Send event to all subscribers.

void	SendEvent (StringHash eventType, VariantMap &eventData)
	Send event with parameters to all subscribers.

VariantMap &	GetEventDataMap () const
	Return a preallocated map for event data. Used for optimization to avoid constant re-allocation of event data maps.

template<typename... Args>
void	SendEvent (StringHash eventType, Args... args)
	Send event with variadic parameter pairs to all subscribers. The parameter pairs is a list of paramID and paramValue separated by comma, one pair after another.

Context *	GetContext () const
	Return execution context.

const Variant &	GetGlobalVar (StringHash key) const

const VariantMap &	GetGlobalVars () const

void	SetGlobalVar (StringHash key, const Variant &value)

Object *	GetSubsystem (StringHash type) const
	Return subsystem by type.

Object *	GetEventSender () const
	Return active event sender. Null outside event handling.

EventHandler *	GetEventHandler () const
	Return active event handler. Null outside event handling.

bool	HasSubscribedToEvent (StringHash eventType) const
	Return whether has subscribed to an event without specific sender.

bool	HasSubscribedToEvent (Object *sender, StringHash eventType) const
	Return whether has subscribed to a specific sender's event.

bool	HasEventHandlers () const
	Return whether has subscribed to any event.

template<class T >
T *	GetSubsystem () const
	Template version of returning a subsystem.

const String &	GetCategory () const

void	SetBlockEvents (bool block)
	Block object from sending and receiving events.

bool	GetBlockEvents () const
	Return sending and receiving events blocking status.

Public Member Functions inherited from Urho3D::RefCounted
	RefCounted ()
	Construct. Allocate the reference count structure and set an initial self weak reference.

virtual	~RefCounted ()
	Destruct. Mark as expired and also delete the reference count structure if no outside weak references exist.

	RefCounted (const RefCounted &rhs)=delete
	Prevent copy construction.

RefCounted &	operator= (const RefCounted &rhs)=delete
	Prevent assignment.

void	AddRef ()

void	ReleaseRef ()

int	Refs () const

int	WeakRefs () const

RefCount *	RefCountPtr ()
	Return pointer to the reference count structure.

Static Public Member Functions
static void	RegisterObject (Context *context)

Static Public Member Functions inherited from Urho3D::Object
static const TypeInfo *	GetTypeInfoStatic ()
	Return type info static.

Private Member Functions
	URHO3D_OBJECT (Font, Resource)

void	LoadParameters ()
	Load font glyph offset parameters from an optional XML file. Called internally when loading TrueType fonts.

FontFace *	GetFaceFreeType (float pointSize)
	Return font face using FreeType. Called internally. Return null on error.

FontFace *	GetFaceBitmap (float pointSize)
	Return bitmap font face. Called internally. Return null on error.

Private Attributes
HashMap< int, SharedPtr< FontFace > >	faces_
	Created faces.

SharedArrayPtr< unsigned char >	fontData_
	Font data.

unsigned	fontDataSize_
	Size of font data.

IntVector2	absoluteOffset_
	Absolute position adjustment for glyphs.

Vector2	scaledOffset_
	Point size scaled position adjustment for glyphs.

FontType	fontType_
	Font type.

bool	sdfFont_
	Signed distance field font flag.

Additional Inherited Members
Protected Attributes inherited from Urho3D::Object
Context *	context_
	Execution context.

Detailed Description

Font resource.

Member Function Documentation

◆ BeginLoad()

bool Urho3D::Font::BeginLoad ( Deserializer & source )

overridevirtual

Load resource from stream. May be called from a worker thread. Return true if successful.

Reimplemented from Urho3D::Resource.

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◆ GetAbsoluteGlyphOffset()

const IntVector2 & Urho3D::Font::GetAbsoluteGlyphOffset ( ) const

inline

Return absolute position adjustment for glyphs.

◆ GetFontType()

FontType Urho3D::Font::GetFontType ( ) const

inline

Return font type.

◆ GetScaledGlyphOffset()

const Vector2 & Urho3D::Font::GetScaledGlyphOffset ( ) const

inline

Return point size scaled position adjustment for glyphs.

◆ RegisterObject()

void Urho3D::Font::RegisterObject ( Context * context )

static

Register object factory.

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◆ SetAbsoluteGlyphOffset()

void Urho3D::Font::SetAbsoluteGlyphOffset ( const IntVector2 & offset )

Set absolute (in pixels) position adjustment for glyphs.

◆ SetScaledGlyphOffset()

void Urho3D::Font::SetScaledGlyphOffset ( const Vector2 & offset )

Set point size scaled position adjustment for glyphs.

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

/var/dev/u3d/stable/Source/Urho3D/UI/Font.h
/var/dev/u3d/stable/Source/Urho3D/UI/Font.cpp

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ BeginLoad()

◆ GetAbsoluteGlyphOffset()

◆ GetFontType()

◆ GetScaledGlyphOffset()

◆ RegisterObject()

◆ SetAbsoluteGlyphOffset()

◆ SetScaledGlyphOffset()