Implement TVirtualPadPainter which abstracts painting operations.

TWebPadPainter tries to support old Paint methods of the ROOT classes. Main classes (like histograms or graphs) should be painted on JavaScript side

Definition at line 22 of file TWebPadPainter.h.

Public Member Functions
	TWebPadPainter ()

void	ClearDrawable () override

void	CopyDrawable (Int_t, Int_t, Int_t) override

Int_t	CreateDrawable (UInt_t, UInt_t) override

void	DestroyDrawable (Int_t) override

void	DrawBox (Double_t x1, Double_t y1, Double_t x2, Double_t y2, EBoxMode mode) override
	Paint a simple box.

void	DrawFillArea (Int_t n, const Double_t x, const Double_t y) override
	Paint filled area.

void	DrawFillArea (Int_t n, const Float_t x, const Float_t y) override
	Paint filled area.

void	DrawLine (Double_t x1, Double_t y1, Double_t x2, Double_t y2) override
	Paint a simple line.

void	DrawLineNDC (Double_t u1, Double_t v1, Double_t u2, Double_t v2) override
	Paint a simple line in normalized coordinates.

void	DrawPixels (const unsigned char *pixelData, UInt_t width, UInt_t height, Int_t dstX, Int_t dstY, Bool_t enableAlphaBlending) override
	Noop, for non-gl pad TASImage calls gVirtualX->CopyArea.

void	DrawPolyLine (Int_t n, const Double_t x, const Double_t y) override
	Paint Polyline.

void	DrawPolyLine (Int_t n, const Float_t x, const Float_t y) override
	Paint polyline.

void	DrawPolyLineNDC (Int_t n, const Double_t u, const Double_t v) override
	Paint polyline in normalized coordinates.

void	DrawPolyMarker (Int_t n, const Double_t x, const Double_t y) override
	Paint polymarker.

void	DrawPolyMarker (Int_t n, const Float_t x, const Float_t y) override
	Paint polymarker.

void	DrawText (Double_t x, Double_t y, const char *text, ETextMode mode) override
	Paint text.

void	DrawText (Double_t x, Double_t y, const wchar_t *text, ETextMode mode) override
	Special version working with wchar_t and required by TMathText.

void	DrawTextNDC (Double_t u, Double_t v, const char *text, ETextMode mode) override
	Paint text in normalized coordinates.

void	DrawTextNDC (Double_t u, Double_t v, const wchar_t *text, ETextMode mode) override
	Paint text in normalized coordinates.

void	DrawTextUrl (Double_t x, Double_t y, const char text, const char url) override
	Paint text with url.

Bool_t	HasTTFonts () const override
	Return true if TTF font can be used.

TClass *	IsA () const override

Bool_t	IsSupportAlpha () const override

void	SaveImage (TVirtualPad , const char , Int_t) const override
	Produce image from WebPadPainter.

void	SelectDrawable (Int_t) override

void	SetOpacity (Int_t percent) override
	Set opacity - similar to TVirtualPS usecase.

void	SetPainting (TWebPainting *p)

void	Streamer (TBuffer &) override

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TPadPainterBase
const TAttFill &	GetAttFill () const override

const TAttLine &	GetAttLine () const override
	Get line attributes.

const TAttMarker &	GetAttMarker () const override
	Get marker attributes.

const TAttText &	GetAttText () const override
	Get text attributes.

Color_t	GetFillColor () const override

Style_t	GetFillStyle () const override

Color_t	GetLineColor () const override

Style_t	GetLineStyle () const override

Width_t	GetLineWidth () const override

Color_t	GetMarkerColor () const override

Size_t	GetMarkerSize () const override

Style_t	GetMarkerStyle () const override

UInt_t	GetTextAdvance (Font_t font, Double_t size, const char *text, Bool_t kern) override
	Returns text advance.

Short_t	GetTextAlign () const override

Float_t	GetTextAngle () const override

void	GetTextAscentDescent (Font_t font, Double_t size, UInt_t &a, UInt_t &d, const char *mess) override
	Returns text accent / descent.

void	GetTextAscentDescent (Font_t font, Double_t size, UInt_t &a, UInt_t &d, const wchar_t *mess) override
	Returns text accent / descent.

Color_t	GetTextColor () const override

void	GetTextExtent (Font_t font, Double_t size, UInt_t &w, UInt_t &h, const char *mess) override
	Returns text extend.

void	GetTextExtent (Font_t font, Double_t size, UInt_t &w, UInt_t &h, const wchar_t *mess) override
	Returns text extend.

Font_t	GetTextFont () const override

Float_t	GetTextMagnitude () const override

Float_t	GetTextSize () const override

Bool_t	IsTransparent () const override

void	SetAttFill (const TAttFill &att) override
	Set fill attributes.

void	SetAttLine (const TAttLine &att) override
	Set line attributes.

void	SetAttMarker (const TAttMarker &att) override
	Set marker attributes.

void	SetAttText (const TAttText &att) override
	Set text attributes.

void	SetFillColor (Color_t fcolor) override

void	SetFillStyle (Style_t fstyle) override

void	SetLineColor (Color_t lcolor) override

void	SetLineStyle (Style_t lstyle) override

void	SetLineWidth (Width_t lwidth) override

void	SetMarkerColor (Color_t mcolor) override

void	SetMarkerSize (Size_t msize) override

void	SetMarkerStyle (Style_t mstyle) override

void	SetTextAlign (Short_t align) override

void	SetTextAngle (Float_t tangle) override

void	SetTextColor (Color_t tcolor) override

void	SetTextFont (Font_t tfont) override

void	SetTextSize (Float_t tsize) override

void	SetTextSizePixels (Int_t npixels) override

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TVirtualPadPainter
virtual	~TVirtualPadPainter ()
	Virtual dtor.

virtual void	ClearWindow (Int_t)

virtual void	DrawSegments (Int_t n, Double_t x, Double_t y)
	Draw N segments on the pad Exclude segments where both points match.

virtual void	DrawSegmentsNDC (Int_t n, Double_t u, Double_t v)
	Draw N segments in NDC coordinates on the pad Exclude segments where both points match.

virtual TVirtualPS *	GetPS () const

virtual void	InitPainter ()
	Empty definition.

virtual void	InvalidateCS ()
	Empty definition.

virtual Bool_t	IsCocoa () const

virtual Bool_t	IsNative () const

virtual void	LockPainter ()
	Empty definition.

virtual void	NewPage ()

virtual void	OnPad (TVirtualPad *)

virtual Int_t	ResizeDrawable (Int_t, UInt_t, UInt_t)

virtual void	SetCursor (Int_t win, ECursor cursor)
	Set cursor for specified device, redirect to gVirtualX.

virtual void	SetDoubleBuffer (Int_t device, Int_t mode)
	Set double buffer mode for specified device, redirect to gVirtualX.

virtual void	SetDrawMode (Int_t, Int_t)

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

virtual void	UpdateDrawable (Int_t)

Static Public Member Functions
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TPadPainterBase
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TVirtualPadPainter
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static TVirtualPadPainter *	PadPainter (Option_t *opt="")
	Create a pad painter of specified type.

Protected Types
enum	{ attrLine = 0x1 , attrFill = 0x2 , attrMarker = 0x4 , attrText = 0x8 , attrAll = 0xf }

Protected Member Functions
Float_t *	StoreOperation (const std::string &oper, unsigned attrkind, int opersize=0)
	Store operation identifier with appropriate attributes.

Protected Member Functions inherited from TPadPainterBase
TAttFill	GetAttFillInternal (Bool_t with_transparency)
	Returns fill attributes after modification Checks for special fill styles 4000 .

Protected Attributes
TWebPainting *	fPainting {nullptr}
	! object to store all painting, owned by TWebPS object

Protected Attributes inherited from TPadPainterBase
TAttFill	fAttFill
	current fill attributes

TAttLine	fAttLine
	current line attributes

TAttMarker	fAttMarker
	current marker attributes

TAttText	fAttText
	current text attributes

Bool_t	fFullyTransparent = kFALSE
	if transformed fill attributes fully transparent

Private Member Functions
	TWebPadPainter (const TWebPadPainter &rhs)=delete

	TWebPadPainter (TWebPadPainter &&rhs)=delete

TWebPadPainter &	operator= (const TWebPadPainter &rhs)=delete

TWebPadPainter &	operator= (TWebPadPainter &&rhs)=delete

Friends
class	TWebCanvas

Additional Inherited Members
Public Types inherited from TVirtualPadPainter
enum	EBoxMode { kHollow , kFilled }

enum	ETextMode { kClear , kOpaque }

#include <TWebPadPainter.h>

Inheritance diagram for TWebPadPainter:

[legend]

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

protected

Enumerator
attrLine
attrFill
attrMarker
attrText
attrAll

Definition at line 30 of file TWebPadPainter.h.

Constructor & Destructor Documentation

◆ TWebPadPainter() [1/3]

TWebPadPainter::TWebPadPainter ( )

inline

Definition at line 36 of file TWebPadPainter.h.

◆ TWebPadPainter() [2/3]

TWebPadPainter::TWebPadPainter ( const TWebPadPainter & rhs )

privatedelete

◆ TWebPadPainter() [3/3]

TWebPadPainter::TWebPadPainter ( TWebPadPainter && rhs )

privatedelete

Member Function Documentation

◆ Class()

static TClass * TWebPadPainter::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TWebPadPainter::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TWebPadPainter::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 91 of file TWebPadPainter.h.

◆ ClearDrawable()

void TWebPadPainter::ClearDrawable ( )

inlineoverridevirtual

Implements TVirtualPadPainter.

Definition at line 46 of file TWebPadPainter.h.

◆ CopyDrawable()

void TWebPadPainter::CopyDrawable	(	Int_t	,
		Int_t	,
		Int_t	)

inlineoverridevirtual

Implements TVirtualPadPainter.

Definition at line 47 of file TWebPadPainter.h.

◆ CreateDrawable()

Int_t TWebPadPainter::CreateDrawable	(	UInt_t	,
		UInt_t	)

inlineoverridevirtual

Implements TVirtualPadPainter.

Definition at line 45 of file TWebPadPainter.h.

◆ DeclFileName()

static const char * TWebPadPainter::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 91 of file TWebPadPainter.h.

◆ DestroyDrawable()

void TWebPadPainter::DestroyDrawable ( Int_t )

inlineoverridevirtual

Implements TVirtualPadPainter.

Definition at line 48 of file TWebPadPainter.h.

◆ DrawBox()

void TWebPadPainter::DrawBox	(	Double_t	x1,
		Double_t	y1,
		Double_t	x2,
		Double_t	y2,
		EBoxMode	mode )

overridevirtual

Paint a simple box.

Implements TVirtualPadPainter.

Definition at line 111 of file TWebPadPainter.cxx.

◆ DrawFillArea() [1/2]

void TWebPadPainter::DrawFillArea	(	Int_t	n,
		const Double_t *	x,
		const Double_t *	y )

overridevirtual

Paint filled area.

Implements TVirtualPadPainter.

Definition at line 134 of file TWebPadPainter.cxx.

◆ DrawFillArea() [2/2]

void TWebPadPainter::DrawFillArea	(	Int_t	n,
		const Float_t *	x,
		const Float_t *	y )

overridevirtual

Paint filled area.

Implements TVirtualPadPainter.

Definition at line 150 of file TWebPadPainter.cxx.

◆ DrawLine()

void TWebPadPainter::DrawLine	(	Double_t	x1,
		Double_t	y1,
		Double_t	x2,
		Double_t	y2 )

overridevirtual

Paint a simple line.

Implements TVirtualPadPainter.

Definition at line 73 of file TWebPadPainter.cxx.

◆ DrawLineNDC()

void TWebPadPainter::DrawLineNDC	(	Double_t	u1,
		Double_t	v1,
		Double_t	u2,
		Double_t	v2 )

overridevirtual

Paint a simple line in normalized coordinates.

Implements TVirtualPadPainter.

Definition at line 91 of file TWebPadPainter.cxx.

◆ DrawPixels()

void TWebPadPainter::DrawPixels	(	const unsigned char *	pixelData,
		UInt_t	width,
		UInt_t	height,
		Int_t	dstX,
		Int_t	dstY,
		Bool_t	enableAlphaBlending )

overridevirtual

Noop, for non-gl pad TASImage calls gVirtualX->CopyArea.

Implements TVirtualPadPainter.

Definition at line 63 of file TWebPadPainter.cxx.

◆ DrawPolyLine() [1/2]

void TWebPadPainter::DrawPolyLine	(	Int_t	n,
		const Double_t *	x,
		const Double_t *	y )

overridevirtual

Paint Polyline.

Implements TVirtualPadPainter.

Definition at line 166 of file TWebPadPainter.cxx.

◆ DrawPolyLine() [2/2]

void TWebPadPainter::DrawPolyLine	(	Int_t	n,
		const Float_t *	x,
		const Float_t *	y )

overridevirtual

Paint polyline.

Implements TVirtualPadPainter.

Definition at line 182 of file TWebPadPainter.cxx.

◆ DrawPolyLineNDC()

void TWebPadPainter::DrawPolyLineNDC	(	Int_t	n,
		const Double_t *	u,
		const Double_t *	v )

overridevirtual

Paint polyline in normalized coordinates.

Implements TVirtualPadPainter.

Definition at line 198 of file TWebPadPainter.cxx.

◆ DrawPolyMarker() [1/2]

void TWebPadPainter::DrawPolyMarker	(	Int_t	n,
		const Double_t *	x,
		const Double_t *	y )

overridevirtual

Paint polymarker.

Implements TVirtualPadPainter.

Definition at line 216 of file TWebPadPainter.cxx.

◆ DrawPolyMarker() [2/2]

void TWebPadPainter::DrawPolyMarker	(	Int_t	n,
		const Float_t *	x,
		const Float_t *	y )

overridevirtual

Paint polymarker.

Implements TVirtualPadPainter.

Definition at line 233 of file TWebPadPainter.cxx.

◆ DrawText() [1/2]

void TWebPadPainter::DrawText	(	Double_t	x,
		Double_t	y,
		const char *	text,
		ETextMode	mode )

overridevirtual

Paint text.

Implements TVirtualPadPainter.

Definition at line 250 of file TWebPadPainter.cxx.

◆ DrawText() [2/2]

void TWebPadPainter::DrawText	(	Double_t	x,
		Double_t	y,
		const wchar_t *	text,
		ETextMode	mode )

overridevirtual

Special version working with wchar_t and required by TMathText.

Implements TVirtualPadPainter.

Definition at line 277 of file TWebPadPainter.cxx.

◆ DrawTextNDC() [1/2]

void TWebPadPainter::DrawTextNDC	(	Double_t	u,
		Double_t	v,
		const char *	text,
		ETextMode	mode )

overridevirtual

Paint text in normalized coordinates.

Implements TVirtualPadPainter.

Definition at line 291 of file TWebPadPainter.cxx.

◆ DrawTextNDC() [2/2]

void TWebPadPainter::DrawTextNDC	(	Double_t	u,
		Double_t	v,
		const wchar_t *	text,
		ETextMode	mode )

overridevirtual

Paint text in normalized coordinates.

Implements TVirtualPadPainter.

Definition at line 306 of file TWebPadPainter.cxx.

◆ DrawTextUrl()

void TWebPadPainter::DrawTextUrl	(	Double_t	x,
		Double_t	y,
		const char *	text,
		const char *	url )

overridevirtual

Paint text with url.

Reimplemented from TVirtualPadPainter.

Definition at line 262 of file TWebPadPainter.cxx.

◆ HasTTFonts()

Bool_t TWebPadPainter::HasTTFonts ( ) const

inlineoverridevirtual

Return true if TTF font can be used.

Reimplemented from TVirtualPadPainter.

Definition at line 40 of file TWebPadPainter.h.

◆ IsA()

TClass * TWebPadPainter::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TPadPainterBase.

Definition at line 91 of file TWebPadPainter.h.

◆ IsSupportAlpha()

Bool_t TWebPadPainter::IsSupportAlpha ( ) const

inlineoverridevirtual

Reimplemented from TVirtualPadPainter.

Definition at line 82 of file TWebPadPainter.h.

◆ operator=() [1/2]

TWebPadPainter & TWebPadPainter::operator= ( const TWebPadPainter & rhs )

privatedelete

◆ operator=() [2/2]

TWebPadPainter & TWebPadPainter::operator= ( TWebPadPainter && rhs )

privatedelete

◆ SaveImage()

void TWebPadPainter::SaveImage	(	TVirtualPad *	pad,
		const char *	fileName,
		Int_t	gtype ) const

overridevirtual

Produce image from WebPadPainter.

Implements TVirtualPadPainter.

Definition at line 322 of file TWebPadPainter.cxx.

◆ SelectDrawable()

void TWebPadPainter::SelectDrawable ( Int_t )

inlineoverridevirtual

Implements TVirtualPadPainter.

Definition at line 49 of file TWebPadPainter.h.

◆ SetOpacity()

void TWebPadPainter::SetOpacity ( Int_t percent )

overridevirtual

Set opacity - similar to TVirtualPS usecase.

Implements TVirtualPadPainter.

Definition at line 30 of file TWebPadPainter.cxx.

◆ SetPainting()

void TWebPadPainter::SetPainting ( TWebPainting * p )

inline

Definition at line 38 of file TWebPadPainter.h.

◆ StoreOperation()

Float_t * TWebPadPainter::StoreOperation	(	const std::string &	oper,
		unsigned	attrkind,
		int	opersize = 0 )

protected

Store operation identifier with appropriate attributes.

Definition at line 38 of file TWebPadPainter.cxx.

◆ Streamer()

void TWebPadPainter::Streamer ( TBuffer & )

overridevirtual

Reimplemented from TPadPainterBase.

◆ StreamerNVirtual()

void TWebPadPainter::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 91 of file TWebPadPainter.h.

Friends And Related Symbol Documentation

◆ TWebCanvas

friend class TWebCanvas

friend

Definition at line 24 of file TWebPadPainter.h.

Member Data Documentation

◆ fPainting

TWebPainting* TWebPadPainter::fPainting {nullptr}

protected

! object to store all painting, owned by TWebPS object

Definition at line 28 of file TWebPadPainter.h.

Libraries for TWebPadPainter:

[legend]

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

gui/webgui6/inc/TWebPadPainter.h
gui/webgui6/src/TWebPadPainter.cxx

Public Member Functions

Static Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Private Member Functions

Friends

Additional Inherited Members

Member Enumeration Documentation

◆ anonymous enum

Constructor & Destructor Documentation

◆ TWebPadPainter() [1/3]

◆ TWebPadPainter() [2/3]

◆ TWebPadPainter() [3/3]

Member Function Documentation

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ ClearDrawable()

◆ CopyDrawable()

◆ CreateDrawable()

◆ DeclFileName()

◆ DestroyDrawable()

◆ DrawBox()

◆ DrawFillArea() [1/2]

◆ DrawFillArea() [2/2]

◆ DrawLine()

◆ DrawLineNDC()

◆ DrawPixels()

◆ DrawPolyLine() [1/2]

◆ DrawPolyLine() [2/2]

◆ DrawPolyLineNDC()

◆ DrawPolyMarker() [1/2]

◆ DrawPolyMarker() [2/2]

◆ DrawText() [1/2]

◆ DrawText() [2/2]

◆ DrawTextNDC() [1/2]

◆ DrawTextNDC() [2/2]

◆ DrawTextUrl()

◆ HasTTFonts()

◆ IsA()

◆ IsSupportAlpha()

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ SaveImage()

◆ SelectDrawable()

◆ SetOpacity()

◆ SetPainting()

◆ StoreOperation()

◆ Streamer()

◆ StreamerNVirtual()

Friends And Related Symbol Documentation

◆ TWebCanvas

Member Data Documentation

◆ fPainting