Svx3DLightControl Class Reference

#include <dlgctl3d.hxx>

Inheritance diagram for Svx3DLightControl:

Collaboration diagram for Svx3DLightControl:

Public Member Functions
	Svx3DLightControl ()
virtual void	SetDrawingArea (weld::DrawingArea *pDrawingArea) override
virtual void	Paint (vcl::RenderContext &rRenderContext, const tools::Rectangle &rRect) override
virtual tools::Rectangle	GetFocusRect () override
virtual bool	MouseButtonDown (const MouseEvent &rMEvt) override
virtual bool	MouseMove (const MouseEvent &rMEvt) override
virtual bool	MouseButtonUp (const MouseEvent &rMEvt) override
virtual void	Resize () override
virtual void	SetObjectType (SvxPreviewObjectType nType) override
void	SetChangeCallback (Link< Svx3DLightControl *, void > aNew)
void	SetSelectionChangeCallback (Link< Svx3DLightControl *, void > aNew)
bool	IsSelectionValid ()
bool	IsGeometrySelected () const
void	GetPosition (double &rHor, double &rVer)
void	SetPosition (double fHor, double fVer)
void	SetRotation (double fRotX, double fRotY, double fRotZ)
void	GetRotation (double &rRotX, double &rRotY, double &rRotZ)
void	SelectLight (sal_uInt32 nLightNumber)
virtual void	Set3DAttributes (const SfxItemSet &rAttr) override
sal_uInt32	GetSelectedLight () const
bool	GetLightOnOff (sal_uInt32 nNum) const
Color	GetLightColor (sal_uInt32 nNum) const
basegfx::B3DVector	GetLightDirection (sal_uInt32 nNum) const
Public Member Functions inherited from Svx3DPreviewControl
	Svx3DPreviewControl ()
virtual void	SetDrawingArea (weld::DrawingArea *pDrawingArea) override
virtual	~Svx3DPreviewControl () override
virtual void	Paint (vcl::RenderContext &rRenderContext, const tools::Rectangle &rRect) override
virtual bool	MouseButtonDown (const MouseEvent &rMEvt) override
virtual void	Resize () override
virtual void	SetObjectType (SvxPreviewObjectType nType)
SvxPreviewObjectType	GetObjectType () const
SfxItemSet const &	Get3DAttributes () const
virtual void	Set3DAttributes (const SfxItemSet &rAttr)
Public Member Functions inherited from weld::CustomWidgetController
virtual css::uno::Reference< css::accessibility::XAccessible >	CreateAccessible ()
virtual void	Paint (vcl::RenderContext &rRenderContext, const tools::Rectangle &rRect)=0
virtual void	Resize ()
virtual bool	MouseButtonDown (const MouseEvent &)
virtual bool	MouseMove (const MouseEvent &)
virtual bool	MouseButtonUp (const MouseEvent &)
virtual void	GetFocus ()
virtual void	LoseFocus ()
virtual void	StyleUpdated ()
virtual bool	Command (const CommandEvent &)
virtual bool	KeyInput (const KeyEvent &)
virtual tools::Rectangle	GetFocusRect ()
virtual FactoryFunction	GetUITestFactory () const
virtual OUString	RequestHelp (tools::Rectangle &)
virtual OUString	GetHelpText () const
Size const &	GetOutputSizePixel () const
void	SetOutputSizePixel (const Size &rSize)
virtual void	SetDrawingArea (weld::DrawingArea *pDrawingArea)
weld::DrawingArea *	GetDrawingArea () const
void	Invalidate ()
void	Invalidate (const tools::Rectangle &rRect)
virtual void	Show ()
virtual void	Hide ()
void	SetCursor (void *pData)
void	GrabFocus ()
bool	HasFocus () const
bool	HasChildFocus () const
bool	IsVisible () const
bool	IsReallyVisible () const
bool	IsEnabled () const
void	Enable () const
void	Disable () const
bool	IsActive () const
int	GetTextHeight () const
int	GetTextWidth (const OUString &rText) const
OUString	GetAccessibleName () const
OUString	GetAccessibleDescription () const
void	CaptureMouse ()
bool	IsMouseCaptured () const
Point	GetPointerPosPixel () const
void	EnableRTL (bool bEnable)
bool	IsRTLEnabled () const
void	ReleaseMouse ()
void	SetPointer (PointerStyle ePointerStyle)
void	SetHelpId (const OString &rHelpId)
void	SetAccessibleName (const OUString &rName)
void	SetInputContext (const InputContext &rInputContext)
void	SetCursorRect (const tools::Rectangle &rCursorRect, int nExtTextInputWidth)
virtual int	GetSurroundingText (OUString &)
virtual bool	DeleteSurroundingText (const Selection &)
css::uno::Reference< css::datatransfer::dnd::XDropTarget >	GetDropTarget ()
css::uno::Reference< css::datatransfer::clipboard::XClipboard >	GetClipboard () const
void	SetDragDataTransferable (rtl::Reference< TransferDataContainer > &rTransferable, sal_uInt8 eDNDConstants)
virtual bool	StartDrag ()
void	set_size_request (int nWidth, int nHeight)
void	queue_resize ()
	CustomWidgetController ()
virtual	~CustomWidgetController ()
	CustomWidgetController (CustomWidgetController const &)=default
	CustomWidgetController (CustomWidgetController &&)=default
CustomWidgetController &	operator= (CustomWidgetController const &)=default
CustomWidgetController &	operator= (CustomWidgetController &&)=default

Private Member Functions
void	Construct2 ()
void	ConstructLightObjects ()
void	AdaptToSelectedLight ()
void	TrySelection (Point aPosPixel)

Private Attributes
Link< Svx3DLightControl *, void >	maChangeCallback
Link< Svx3DLightControl *, void >	maSelectionChangeCallback
sal_uInt32	maSelectedLight
rtl::Reference< E3dObject >	mpExpansionObject
rtl::Reference< E3dObject >	mpLampBottomObject
rtl::Reference< E3dObject >	mpLampShaftObject
std::vector< E3dObject * >	maLightObjects
double	mfRotateX
double	mfRotateY
double	mfRotateZ
Point	maActionStartPoint
double	mfSaveActionStartHor
double	mfSaveActionStartVer
double	mfSaveActionStartRotZ
bool	mbMouseMoved: 1
bool	mbMouseCaptured: 1
bool	mbGeometrySelected: 1

Additional Inherited Members
Static Public Member Functions inherited from weld::CustomWidgetController
static bool	IsUpdateMode ()
Protected Member Functions inherited from Svx3DPreviewControl
void	Construct ()
Protected Attributes inherited from Svx3DPreviewControl
std::unique_ptr< FmFormModel >	mpModel
rtl::Reference< FmFormPage >	mxFmPage
std::unique_ptr< E3dView >	mp3DView
rtl::Reference< E3dScene >	mpScene
rtl::Reference< E3dObject >	mp3DObj
SvxPreviewObjectType	mnObjectType

Detailed Description

Definition at line 65 of file dlgctl3d.hxx.

Constructor & Destructor Documentation

Svx3DLightControl()

Svx3DLightControl::Svx3DLightControl

(

)

Definition at line 243 of file dlgctl3d.cxx.

References mbMouseCaptured.

Member Function Documentation

AdaptToSelectedLight()

void Svx3DLightControl::AdaptToSelectedLight ( )

private

Definition at line 397 of file dlgctl3d.cxx.

References aDirection, COL_YELLOW(), basegfx::fTools::equalZero(), GetLightDirection(), basegfx::B3DHomMatrix::identity(), maLightObjects, maSelectedLight, mpLampBottomObject, mpLampShaftObject, Svx3DPreviewControl::mpModel, NO_LIGHT_SELECTED, SfxItemSet::Put(), RADIUS_LAMP_PREVIEW_SIZE, basegfx::B3DHomMatrix::rotate(), E3dObject::SetTransform(), and basegfx::B3DHomMatrix::translate().

Referenced by SelectLight(), Set3DAttributes(), SetPosition(), and TrySelection().

Construct2()

void Svx3DLightControl::Construct2 ( )

private

Definition at line 264 of file dlgctl3d.cxx.

References basegfx::B2DPolygon::append(), basegfx::utils::createB3DPolygonFromB2DPolygon(), basegfx::utils::createPolygonFromCircle(), basegfx::utils::createPolygonFromEllipseSegment(), basegfx::B3DRange::getHeight(), basegfx::B3DRange::getMaxZ(), Application::GetSettings(), basegfx::B3DRange::getWidth(), Svx3DPreviewControl::mp3DView, mpExpansionObject, mpLampBottomObject, mpLampShaftObject, Svx3DPreviewControl::mpModel, Svx3DPreviewControl::mpScene, SfxItemSet::Put(), RADIUS_LAMP_BIG, RADIUS_LAMP_PREVIEW_SIZE, basegfx::B3DHomMatrix::rotate(), Camera3D::SetAutoAdjustProjection(), Camera3D::SetFocalLength(), Camera3D::SetPosAndLookAt(), Camera3D::SetViewWindow(), basegfx::B3DPolygon::transform(), and basegfx::B3DHomMatrix::translate().

Referenced by SetDrawingArea().

ConstructLightObjects()

void Svx3DLightControl::ConstructLightObjects ( )

private

Definition at line 356 of file dlgctl3d.cxx.

References a, aDirection, GetLightColor(), GetLightDirection(), GetLightOnOff(), maLightObjects, maSelectedLight, MAX_NUMBER_LIGHTS, Svx3DPreviewControl::mp3DView, Svx3DPreviewControl::mpModel, Svx3DPreviewControl::mpScene, SfxItemSet::Put(), RADIUS_LAMP_BIG, RADIUS_LAMP_PREVIEW_SIZE, RADIUS_LAMP_SMALL, and basegfx::B3DHomMatrix::translate().

Referenced by SelectLight(), Set3DAttributes(), and TrySelection().

GetFocusRect()

tools::Rectangle Svx3DLightControl::GetFocusRect ( )

overridevirtual

Reimplemented from weld::CustomWidgetController.

Definition at line 520 of file dlgctl3d.cxx.

References Size::AdjustHeight(), Size::AdjustWidth(), weld::CustomWidgetController::GetOutputSizePixel(), weld::CustomWidgetController::HasFocus(), and Point.

GetLightColor()

Color Svx3DLightControl::GetLightColor

(

sal_uInt32

nNum

)

const

Definition at line 863 of file dlgctl3d.cxx.

References COL_BLACK(), SfxItemSet::Get(), Svx3DPreviewControl::Get3DAttributes(), SDRATTR_3DSCENE_LIGHTCOLOR_1(), SDRATTR_3DSCENE_LIGHTCOLOR_2(), SDRATTR_3DSCENE_LIGHTCOLOR_3(), SDRATTR_3DSCENE_LIGHTCOLOR_4(), SDRATTR_3DSCENE_LIGHTCOLOR_5(), SDRATTR_3DSCENE_LIGHTCOLOR_6(), SDRATTR_3DSCENE_LIGHTCOLOR_7(), and SDRATTR_3DSCENE_LIGHTCOLOR_8().

Referenced by ConstructLightObjects().

GetLightDirection()

basegfx::B3DVector Svx3DLightControl::GetLightDirection

(

sal_uInt32

nNum

)

const

Definition at line 885 of file dlgctl3d.cxx.

References SfxItemSet::Get(), Svx3DPreviewControl::Get3DAttributes(), SDRATTR_3DSCENE_LIGHTDIRECTION_1(), SDRATTR_3DSCENE_LIGHTDIRECTION_2(), SDRATTR_3DSCENE_LIGHTDIRECTION_3(), SDRATTR_3DSCENE_LIGHTDIRECTION_4(), SDRATTR_3DSCENE_LIGHTDIRECTION_5(), SDRATTR_3DSCENE_LIGHTDIRECTION_6(), SDRATTR_3DSCENE_LIGHTDIRECTION_7(), and SDRATTR_3DSCENE_LIGHTDIRECTION_8().

Referenced by AdaptToSelectedLight(), ConstructLightObjects(), GetPosition(), and SetPosition().

GetLightOnOff()

bool Svx3DLightControl::GetLightOnOff

(

sal_uInt32

nNum

)

const

Definition at line 841 of file dlgctl3d.cxx.

References SfxItemSet::Get(), Svx3DPreviewControl::Get3DAttributes(), SDRATTR_3DSCENE_LIGHTON_1(), SDRATTR_3DSCENE_LIGHTON_2(), SDRATTR_3DSCENE_LIGHTON_3(), SDRATTR_3DSCENE_LIGHTON_4(), SDRATTR_3DSCENE_LIGHTON_5(), SDRATTR_3DSCENE_LIGHTON_6(), SDRATTR_3DSCENE_LIGHTON_7(), and SDRATTR_3DSCENE_LIGHTON_8().

Referenced by ConstructLightObjects(), IsSelectionValid(), SelectLight(), and Set3DAttributes().

GetPosition()

void Svx3DLightControl::GetPosition	(	double &	rHor,
		double &	rVer
	)

Definition at line 700 of file dlgctl3d.cxx.

References aDirection, GetLightDirection(), IsGeometrySelected(), IsSelectionValid(), maSelectedLight, mfRotateX, mfRotateY, and basegfx::rad2deg().

Referenced by SvxLightCtl3D::CheckSelection(), MouseMove(), and SvxLightCtl3D::move().

GetRotation()

void Svx3DLightControl::GetRotation	(	double &	rRotX,
		double &	rRotY,
		double &	rRotZ
	)

Definition at line 792 of file dlgctl3d.cxx.

References mfRotateX, mfRotateY, and mfRotateZ.

Referenced by MouseMove().

GetSelectedLight()

sal_uInt32 Svx3DLightControl::GetSelectedLight ( ) const

inline

Definition at line 131 of file dlgctl3d.hxx.

IsGeometrySelected()

bool Svx3DLightControl::IsGeometrySelected ( ) const

inline

Definition at line 119 of file dlgctl3d.hxx.

Referenced by SvxLightCtl3D::CheckSelection(), GetPosition(), SetPosition(), and SetRotation().

IsSelectionValid()

bool Svx3DLightControl::IsSelectionValid

(

)

Definition at line 695 of file dlgctl3d.cxx.

References GetLightOnOff(), maSelectedLight, and NO_LIGHT_SELECTED.

Referenced by SvxLightCtl3D::CheckSelection(), GetPosition(), MouseButtonDown(), and SetPosition().

MouseButtonDown()

bool Svx3DLightControl::MouseButtonDown ( const MouseEvent &  rMEvt )

overridevirtual

Reimplemented from Svx3DPreviewControl.

Definition at line 530 of file dlgctl3d.cxx.

References weld::CustomWidgetController::CaptureMouse(), MouseEvent::GetPosPixel(), MouseEvent::IsLeft(), IsSelectionValid(), maActionStartPoint, mbGeometrySelected, mbMouseCaptured, mbMouseMoved, Svx3DPreviewControl::MouseButtonDown(), and TrySelection().

MouseButtonUp()

bool Svx3DLightControl::MouseButtonUp ( const MouseEvent &  rMEvt )

overridevirtual

Reimplemented from weld::CustomWidgetController.

Definition at line 651 of file dlgctl3d.cxx.

References MouseEvent::GetPosPixel(), mbMouseCaptured, mbMouseMoved, weld::CustomWidgetController::ReleaseMouse(), and TrySelection().

MouseMove()

bool Svx3DLightControl::MouseMove ( const MouseEvent &  rMEvt )

overridevirtual

Reimplemented from weld::CustomWidgetController.

Definition at line 559 of file dlgctl3d.cxx.

References Link< typename Arg, typename Ret >::Call(), basegfx::deg2rad(), g_nInteractionStartDistance, GetPosition(), MouseEvent::GetPosPixel(), GetRotation(), Link< typename Arg, typename Ret >::IsSet(), maActionStartPoint, maChangeCallback, mbGeometrySelected, mbMouseCaptured, mbMouseMoved, mfSaveActionStartHor, mfSaveActionStartRotZ, mfSaveActionStartVer, NormAngle360(), Point, SetPosition(), and SetRotation().

Paint()

void Svx3DLightControl::Paint ( vcl::RenderContext &  rRenderContext, const tools::Rectangle &  rRect  )

overridevirtual

Reimplemented from Svx3DPreviewControl.

Definition at line 515 of file dlgctl3d.cxx.

References Svx3DPreviewControl::Paint().

Resize()

void Svx3DLightControl::Resize ( )

overridevirtual

Reimplemented from Svx3DPreviewControl.

Definition at line 671 of file dlgctl3d.cxx.

References weld::CustomWidgetController::GetDrawingArea(), weld::CustomWidgetController::GetOutputSizePixel(), Svx3DPreviewControl::mpScene, Svx3DPreviewControl::mxFmPage, and Point.

SelectLight()

void Svx3DLightControl::SelectLight

(

sal_uInt32

nLightNumber

)

Definition at line 816 of file dlgctl3d.cxx.

References AdaptToSelectedLight(), ConstructLightObjects(), GetLightOnOff(), weld::CustomWidgetController::Invalidate(), maSelectedLight, mbGeometrySelected, and NO_LIGHT_SELECTED.

Referenced by TrySelection().

Set3DAttributes()

void Svx3DLightControl::Set3DAttributes ( const SfxItemSet &  rAttr )

overridevirtual

Reimplemented from Svx3DPreviewControl.

Definition at line 799 of file dlgctl3d.cxx.

References AdaptToSelectedLight(), ConstructLightObjects(), GetLightOnOff(), weld::CustomWidgetController::Invalidate(), maSelectedLight, NO_LIGHT_SELECTED, and Svx3DPreviewControl::Set3DAttributes().

SetChangeCallback()

void Svx3DLightControl::SetChangeCallback ( Link< Svx3DLightControl *, void >  aNew )

inline

Definition at line 114 of file dlgctl3d.hxx.

Referenced by SvxLightCtl3D::Init().

SetDrawingArea()

void Svx3DLightControl::SetDrawingArea ( weld::DrawingArea *  pDrawingArea )

overridevirtual

Reimplemented from Svx3DPreviewControl.

Definition at line 258 of file dlgctl3d.cxx.

References Construct2(), and Svx3DPreviewControl::SetDrawingArea().

SetObjectType()

void Svx3DLightControl::SetObjectType ( SvxPreviewObjectType  nType )

overridevirtual

Reimplemented from Svx3DPreviewControl.

Definition at line 681 of file dlgctl3d.cxx.

References mfRotateX, mfRotateY, mfRotateZ, Svx3DPreviewControl::mp3DObj, nType, basegfx::B3DHomMatrix::rotate(), and Svx3DPreviewControl::SetObjectType().

SetPosition()

void Svx3DLightControl::SetPosition	(	double	fHor,
		double	fVer
	)

Definition at line 716 of file dlgctl3d.cxx.

References AdaptToSelectedLight(), aDirection, basegfx::deg2rad(), GetLightDirection(), weld::CustomWidgetController::Invalidate(), IsGeometrySelected(), IsSelectionValid(), makeSvx3DLightDirection1Item(), makeSvx3DLightDirection2Item(), makeSvx3DLightDirection3Item(), makeSvx3DLightDirection4Item(), makeSvx3DLightDirection5Item(), makeSvx3DLightDirection6Item(), makeSvx3DLightDirection7Item(), makeSvx3DLightDirection8Item(), maSelectedLight, mfRotateX, mfRotateY, mfRotateZ, Svx3DPreviewControl::mp3DObj, Svx3DPreviewControl::mpModel, Svx3DPreviewControl::mpScene, SfxItemSet::Put(), and basegfx::B3DHomMatrix::rotate().

Referenced by MouseMove(), and SvxLightCtl3D::move().

SetRotation()

void Svx3DLightControl::SetRotation	(	double	fRotX,
		double	fRotY,
		double	fRotZ
	)

Definition at line 770 of file dlgctl3d.cxx.

References weld::CustomWidgetController::Invalidate(), IsGeometrySelected(), mfRotateX, mfRotateY, mfRotateZ, Svx3DPreviewControl::mp3DObj, and basegfx::B3DHomMatrix::rotate().

Referenced by MouseMove().

SetSelectionChangeCallback()

void Svx3DLightControl::SetSelectionChangeCallback ( Link< Svx3DLightControl *, void >  aNew )

inline

Definition at line 115 of file dlgctl3d.hxx.

Referenced by SvxLightCtl3D::Init().

TrySelection()

void Svx3DLightControl::TrySelection ( Point  aPosPixel )

private

Definition at line 449 of file dlgctl3d.cxx.

References a, AdaptToSelectedLight(), Link< typename Arg, typename Ret >::Call(), ConstructLightObjects(), getAllHit3DObjectsSortedFrontToBack(), weld::CustomWidgetController::GetDrawingArea(), weld::CustomWidgetController::Invalidate(), Link< typename Arg, typename Ret >::IsSet(), maLightObjects, maSelectedLight, maSelectionChangeCallback, MAX_NUMBER_LIGHTS, mbGeometrySelected, Svx3DPreviewControl::mp3DObj, mpExpansionObject, Svx3DPreviewControl::mpScene, NO_LIGHT_SELECTED, Point, and SelectLight().

Referenced by MouseButtonDown(), and MouseButtonUp().

Member Data Documentation

maActionStartPoint

Point Svx3DLightControl::maActionStartPoint

private

Definition at line 86 of file dlgctl3d.hxx.

Referenced by MouseButtonDown(), and MouseMove().

maChangeCallback

Link<Svx3DLightControl*,void> Svx3DLightControl::maChangeCallback

private

Definition at line 68 of file dlgctl3d.hxx.

Referenced by MouseMove().

maLightObjects

std::vector< E3dObject* > Svx3DLightControl::maLightObjects

private

Definition at line 78 of file dlgctl3d.hxx.

Referenced by AdaptToSelectedLight(), ConstructLightObjects(), and TrySelection().

maSelectedLight

sal_uInt32 Svx3DLightControl::maSelectedLight

private

Definition at line 72 of file dlgctl3d.hxx.

Referenced by AdaptToSelectedLight(), ConstructLightObjects(), GetPosition(), IsSelectionValid(), SelectLight(), Set3DAttributes(), SetPosition(), and TrySelection().

maSelectionChangeCallback

Link<Svx3DLightControl*,void> Svx3DLightControl::maSelectionChangeCallback

private

Definition at line 69 of file dlgctl3d.hxx.

Referenced by TrySelection().

mbGeometrySelected

bool Svx3DLightControl::mbGeometrySelected

private

Definition at line 93 of file dlgctl3d.hxx.

Referenced by MouseButtonDown(), MouseMove(), SelectLight(), and TrySelection().

mbMouseCaptured

bool Svx3DLightControl::mbMouseCaptured

private

Definition at line 92 of file dlgctl3d.hxx.

Referenced by MouseButtonDown(), MouseButtonUp(), and MouseMove().

mbMouseMoved

bool Svx3DLightControl::mbMouseMoved

private

Definition at line 91 of file dlgctl3d.hxx.

Referenced by MouseButtonDown(), MouseButtonUp(), and MouseMove().

mfRotateX

double Svx3DLightControl::mfRotateX

private

Definition at line 81 of file dlgctl3d.hxx.

Referenced by GetPosition(), GetRotation(), SetObjectType(), SetPosition(), and SetRotation().

mfRotateY

double Svx3DLightControl::mfRotateY

private

Definition at line 82 of file dlgctl3d.hxx.

Referenced by GetPosition(), GetRotation(), SetObjectType(), SetPosition(), and SetRotation().

mfRotateZ

double Svx3DLightControl::mfRotateZ

private

Definition at line 83 of file dlgctl3d.hxx.

Referenced by GetRotation(), SetObjectType(), SetPosition(), and SetRotation().

mfSaveActionStartHor

double Svx3DLightControl::mfSaveActionStartHor

private

Definition at line 87 of file dlgctl3d.hxx.

Referenced by MouseMove().

mfSaveActionStartRotZ

double Svx3DLightControl::mfSaveActionStartRotZ

private

Definition at line 89 of file dlgctl3d.hxx.

Referenced by MouseMove().

mfSaveActionStartVer

double Svx3DLightControl::mfSaveActionStartVer

private

Definition at line 88 of file dlgctl3d.hxx.

Referenced by MouseMove().

mpExpansionObject

rtl::Reference<E3dObject> Svx3DLightControl::mpExpansionObject

private

Definition at line 75 of file dlgctl3d.hxx.

Referenced by Construct2(), and TrySelection().

mpLampBottomObject

rtl::Reference<E3dObject> Svx3DLightControl::mpLampBottomObject

private

Definition at line 76 of file dlgctl3d.hxx.

Referenced by AdaptToSelectedLight(), and Construct2().

mpLampShaftObject

rtl::Reference<E3dObject> Svx3DLightControl::mpLampShaftObject

private

Definition at line 77 of file dlgctl3d.hxx.

Referenced by AdaptToSelectedLight(), and Construct2().

---

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

• dlgctl3d.hxx
• dlgctl3d.cxx