#include <vtkWebGPUContextDevice2D.h>

Detailed Description

2D context device implementation using WebGPU graphics backend.

vtkWebGPUContextDevice2D provides hardware-accelerated 2D rendering primitives (lines, points, polygons, images, and text) for VTK context actors using WebGPU. Features a high-performance ring-buffer sub-allocator and persistent marker caching.

Definition at line 32 of file vtkWebGPUContextDevice2D.h.

Inheritance diagram for vtkWebGPUContextDevice2D:

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Collaboration diagram for vtkWebGPUContextDevice2D:

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Classes
class	Private
	Container for vtkWebGPUContextDevice2D internal state. More...

Public Types
typedef vtkContextDevice2D	Superclass
Public Types inherited from vtkContextDevice2D
enum	TextureProperty { Nearest = 0x01 , Linear = 0x02 , Stretch = 0x04 , Repeat = 0x08 }
typedef vtkObject	Superclass

Public Member Functions
virtual vtkTypeBool	IsA (const char *type)
	Return 1 if this class is the same type of (or a subclass of) the named class.
vtkWebGPUContextDevice2D *	NewInstance () const
void	PrintSelf (ostream &os, vtkIndent indent) override
	Methods invoked by print to print information about the object including superclasses.
void	Begin (vtkViewport *viewport) override
	Begins the 2D rendering pass for the given viewport.
void	End () override
	Ends the 2D rendering pass and cleans up temporary render state.
void	Flush ()
	Flushes the internal batched vertex buffer to the WebGPU rendering pipeline.
void	DrawPoly (float points, int n, unsigned char colors=nullptr, int nc_comps=0) override
	Draw a poly line using the points - fastest code path due to memory layout of the coordinates.
void	DrawLines (float points, int n, unsigned char colors=nullptr, int nc_comps=0) override
	Draw lines using the points - memory layout is as follows: l1p1,l1p2,l2p1,l2p2... The lines will be colored by colors array which has nc_comps components.
void	DrawPoints (float points, int n, unsigned char colors=nullptr, int nc_comps=0) override
	Draw a series of points - fastest code path due to memory layout of the coordinates.
void	DrawPoints (vtkDataArray positions, vtkUnsignedCharArray colors, std::uintptr_t cacheIdentifier) override
void	DrawPointSprites (vtkImageData sprite, float points, int n, unsigned char *colors=nullptr, int nc_comps=0) override
	Draw a series of point sprites, images centred at the points supplied.
void	DrawPointSprites (vtkImageData sprite, vtkDataArray positions, vtkUnsignedCharArray *colors, std::uintptr_t cacheIdentifier) override
void	DrawMarkers (int shape, bool highlight, float points, int n, unsigned char colors=nullptr, int nc_comps=0) override
	Draw markers of a specified shape at multiple 2D positions.
void	DrawMarkers (int shape, bool highlight, vtkDataArray positions, vtkUnsignedCharArray colors, std::uintptr_t cacheIdentifier) override
void	DrawQuad (float *points, int n) override
	Draw a quad using the 4 specified points.
void	DrawQuadStrip (float *points, int n) override
	Draw a quad strip using a sequence of points.
void	DrawPolygon (float *points, int n) override
	Draw a filled convex polygon defined by points.
void	DrawColoredPolygon (float points, int numPoints, unsigned char colors=nullptr, int nc_comps=0) override
	Draw a filled polygon with optional per-vertex or per-polygon colors.
void	DrawEllipseWedge (float x, float y, float outRx, float outRy, float inRx, float inRy, float startAngle, float stopAngle) override
	Draw an elliptical wedge (pie slice) defined by radii and angles.
void	DrawEllipticArc (float x, float y, float rX, float rY, float startAngle, float stopAngle) override
	Draw an open elliptical arc line segment.
void	DrawString (float *point, const vtkStdString &string) override
	Render a text string at the specified world coordinate point.
void	ComputeStringBounds (const vtkStdString &string, float bounds[4]) override
	Compute the bounding box dimensions for a given text string.
void	ComputeJustifiedStringBounds (const char *string, float bounds[4]) override
	Compute justified bounding box dimensions for a C-style string.
void	DrawMathTextString (float point[2], const vtkStdString &string) override
	Render a math equation string (MathText format) at the given point.
void	DrawImage (float p[2], float scale, vtkImageData *image) override
	Render an image data object scaled and positioned at a given point.
void	DrawImage (const vtkRectf &pos, vtkImageData *image) override
	Render an image data object within a specified 2D rectangle.
void	DrawPolyData (float p[2], float scale, vtkPolyData polyData, vtkUnsignedCharArray colors, int scalarMode) override
	Render a vtkPolyData geometry mesh (lines and polygons) with offset and scale.
void	SetColor4 (unsigned char color[4]) override
	Set the color for the device using unsigned char of length 4, RGBA.
virtual void	SetColor (unsigned char color[3])
	Set the color for the device using unsigned char of length 3, RGB.
void	SetTexture (vtkImageData *image, int properties=0) override
	Set the texture for the device, it is used to fill the polygons.
void	SetPointSize (float size) override
	Set the point size for glyphs/sprites.
void	SetLineWidth (float width) override
	Set the line width for glyphs/sprites.
void	SetLineType (int type) override
	Set the line type type (using anonymous enum in vtkPen).
void	SetClipping (int *x) override
	Set the clipping rectangle for the 2D context.
void	EnableClipping (bool enable) override
	Enable or disable clipping.
void	MultiplyMatrix (vtkMatrix3x3 *m) override
	Multiply the current model view matrix by the supplied one.
void	SetMatrix (vtkMatrix3x3 *m) override
	Set the model view matrix for the display.
void	GetMatrix (vtkMatrix3x3 *m) override
	Set the model view matrix for the display.
void	PushMatrix () override
	Push the current matrix onto the stack.
void	PopMatrix () override
	Pop the current matrix off of the stack.
virtual void	ReleaseGraphicsResources (vtkWindow *)
	Release any graphics resources that are being consumed by this device.

bool	InitializeDeviceResources ()
	Initialize Device Resources: Uniforms, BindGroups, Pipelines, and Textures.
void	InitializeTexture ()
	Initialize Device Resources: Uniforms, BindGroups, Pipelines, and Textures.

void	BufferIdModeBegin (vtkAbstractContextBufferId *) override
	Noop method.
void	BufferIdModeEnd () override
	Noop method.
void	ReleaseCache (std::uintptr_t) override
	Noop method.
Public Member Functions inherited from vtkContextDevice2D
vtkContextDevice2D *	NewInstance () const
virtual void	DrawMathTextString (float *point, const vtkStdString &string)=0
	Draw text using MathText markup for mathematical equations.
virtual bool	MathTextIsSupported ()
	Return true if MathText rendering available on this device.
virtual void	ApplyPen (vtkPen *pen)
	Apply the supplied pen which controls the outlines of shapes, as well as lines, points and related primitives.
virtual void	ApplyBrush (vtkBrush *brush)
	Apply the supplied brush which controls the outlines of shapes, as well as lines, points and related primitives.
virtual void	ApplyTextProp (vtkTextProperty *prop)
	Apply the supplied text property which controls how text is rendered.
virtual int	GetWidth ()
	Get the width of the device in pixels.
virtual int	GetHeight ()
	Get the width of the device in pixels.
virtual void	DisableClipping ()
	Disable clipping of the display.
virtual bool	GetBufferIdMode () const
	Tell if the device context is in BufferId creation mode.
virtual void	SetViewportSize (const vtkVector2i &size)
virtual vtkVector2i	GetViewportSize ()
virtual void	SetViewportRect (const vtkRecti &rect)
virtual vtkRecti	GetViewportRect ()
virtual vtkPen *	GetPen ()
	Get the pen which controls the outlines of shapes, as well as lines, points and related primitives.
virtual vtkBrush *	GetBrush ()
	Get the pen which controls the outlines of shapes as well as lines, points and related primitives.
virtual vtkTextProperty *	GetTextProp ()
	Get the text properties object for the vtkContext2D.
Public Member Functions inherited from vtkObject
	vtkBaseTypeMacro (vtkObject, vtkObjectBase)
virtual void	DebugOn ()
	Turn debugging output on.
virtual void	DebugOff ()
	Turn debugging output off.
bool	GetDebug ()
	Get the value of the debug flag.
void	SetDebug (bool debugFlag)
	Set the value of the debug flag.
virtual void	Modified ()
	Update the modification time for this object.
virtual vtkMTimeType	GetMTime ()
	Return this object's modified time.
void	RemoveObserver (unsigned long tag)
void	RemoveObservers (unsigned long event)
void	RemoveObservers (const char *event)
void	RemoveAllObservers ()
vtkTypeBool	HasObserver (unsigned long event)
vtkTypeBool	HasObserver (const char *event)
vtkTypeBool	InvokeEvent (unsigned long event)
vtkTypeBool	InvokeEvent (const char *event)
std::string	GetObjectDescription () const override
	The object description printed in messages and PrintSelf output.
unsigned long	AddObserver (unsigned long event, vtkCommand *, float priority=0.0f)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
unsigned long	AddObserver (const char event, vtkCommand , float priority=0.0f)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
vtkCommand *	GetCommand (unsigned long tag)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
void	RemoveObserver (vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
void	RemoveObservers (unsigned long event, vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
void	RemoveObservers (const char event, vtkCommand )
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
vtkTypeBool	HasObserver (unsigned long event, vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
vtkTypeBool	HasObserver (const char event, vtkCommand )
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
template<class U, class T>
unsigned long	AddObserver (unsigned long event, U observer, void(T::*callback)(), float priority=0.0f)
	Overloads to AddObserver that allow developers to add class member functions as callbacks for events.
template<class U, class T>
unsigned long	AddObserver (unsigned long event, U observer, void(T::callback)(vtkObject , unsigned long, void *), float priority=0.0f)
	Overloads to AddObserver that allow developers to add class member functions as callbacks for events.
template<class U, class T>
unsigned long	AddObserver (unsigned long event, U observer, bool(T::callback)(vtkObject , unsigned long, void *), float priority=0.0f)
	Allow user to set the AbortFlagOn() with the return value of the callback method.
vtkTypeBool	InvokeEvent (unsigned long event, void *callData)
	This method invokes an event and return whether the event was aborted or not.
vtkTypeBool	InvokeEvent (const char event, void callData)
	This method invokes an event and return whether the event was aborted or not.
virtual void	SetObjectName (const std::string &objectName)
	Set/get the name of this object for reporting purposes.
virtual std::string	GetObjectName () const
	Set/get the name of this object for reporting purposes.
Public Member Functions inherited from vtkObjectBase
const char *	GetClassName () const
	Return the class name as a string.
virtual vtkIdType	GetNumberOfGenerationsFromBase (const char *name)
	Given the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class).
virtual void	Delete ()
	Delete a VTK object.
virtual void	FastDelete ()
	Delete a reference to this object.
void	InitializeObjectBase ()
void	Print (ostream &os)
	Print an object to an ostream.
void	Register (vtkObjectBase *o)
	Increase the reference count (mark as used by another object).
virtual void	UnRegister (vtkObjectBase *o)
	Decrease the reference count (release by another object).
int	GetReferenceCount ()
	Return the current reference count of this object.
void	SetReferenceCount (int)
	Sets the reference count.
bool	GetIsInMemkind () const
	A local state flag that remembers whether this object lives in the normal or extended memory space.
virtual void	PrintHeader (ostream &os, vtkIndent indent)
	Methods invoked by print to print information about the object including superclasses.
virtual void	PrintTrailer (ostream &os, vtkIndent indent)
	Methods invoked by print to print information about the object including superclasses.
virtual bool	UsesGarbageCollector () const
	Indicate whether the class uses vtkGarbageCollector or not.

Static Public Member Functions
static vtkTypeBool	IsTypeOf (const char *type)
static vtkWebGPUContextDevice2D *	SafeDownCast (vtkObjectBase *o)
static vtkWebGPUContextDevice2D *	New ()
	Creates a 2D Painter object.
Static Public Member Functions inherited from vtkContextDevice2D
static vtkTypeBool	IsTypeOf (const char *type)
static vtkContextDevice2D *	SafeDownCast (vtkObjectBase *o)
static vtkContextDevice2D *	New ()
Static Public Member Functions inherited from vtkObject
static vtkObject *	New ()
	Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
static void	BreakOnError ()
	This method is called when vtkErrorMacro executes.
static void	SetGlobalWarningDisplay (vtkTypeBool val)
	This is a global flag that controls whether any debug, warning or error messages are displayed.
static void	GlobalWarningDisplayOn ()
	This is a global flag that controls whether any debug, warning or error messages are displayed.
static void	GlobalWarningDisplayOff ()
	This is a global flag that controls whether any debug, warning or error messages are displayed.
static vtkTypeBool	GetGlobalWarningDisplay ()
	This is a global flag that controls whether any debug, warning or error messages are displayed.
Static Public Member Functions inherited from vtkObjectBase
static vtkTypeBool	IsTypeOf (const char *name)
	Return 1 if this class type is the same type of (or a subclass of) the named class.
static vtkIdType	GetNumberOfGenerationsFromBaseType (const char *name)
	Given a the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class).
static vtkObjectBase *	New ()
	Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
static void	SetMemkindDirectory (const char *directoryname)
	The name of a directory, ideally mounted -o dax, to memory map an extended memory space within.
static bool	GetUsingMemkind ()
	A global state flag that controls whether vtkObjects are constructed in the usual way (the default) or within the extended memory space.

Protected Member Functions
virtual vtkObjectBase *	NewInstanceInternal () const
	vtkWebGPUContextDevice2D ()
	~vtkWebGPUContextDevice2D () override
Protected Member Functions inherited from vtkContextDevice2D
	vtkContextDevice2D ()
	~vtkContextDevice2D () override
Protected Member Functions inherited from vtkObject
	vtkObject ()
	~vtkObject () override
void	RegisterInternal (vtkObjectBase *, vtkTypeBool check) override
void	UnRegisterInternal (vtkObjectBase *, vtkTypeBool check) override
void	InternalGrabFocus (vtkCommand mouseEvents, vtkCommand keypressEvents=nullptr)
	These methods allow a command to exclusively grab all events.
void	InternalReleaseFocus ()
	These methods allow a command to exclusively grab all events.
Protected Member Functions inherited from vtkObjectBase
	vtkObjectBase ()
virtual	~vtkObjectBase ()
virtual void	ReportReferences (vtkGarbageCollector *)
	vtkObjectBase (const vtkObjectBase &)
void	operator= (const vtkObjectBase &)

Protected Attributes
vtkRenderer *	Renderer = nullptr
vtkWebGPURenderWindow *	RenderWindow = nullptr
Private *	Storage
vtkTransform *	ProjectionMatrix
vtkTransform *	ModelMatrix
bool	InRender = false
Protected Attributes inherited from vtkContextDevice2D
int	Geometry [2]
	Store the width and height of the device in pixels.
vtkVector2i	ViewportSize
	Store the size of the total viewport.
vtkRecti	ViewportRect
	Store our origin and size in the total viewport.
vtkAbstractContextBufferId *	BufferId
vtkPen *	Pen
vtkBrush *	Brush
vtkTextProperty *	TextProp
Protected Attributes inherited from vtkObject
bool	Debug
vtkTimeStamp	MTime
vtkSubjectHelper *	SubjectHelper
std::string	ObjectName
Protected Attributes inherited from vtkObjectBase
std::atomic< int32_t >	ReferenceCount
vtkWeakPointerBase **	WeakPointers

Additional Inherited Members
Static Protected Member Functions inherited from vtkObjectBase
static vtkMallocingFunction	GetCurrentMallocFunction ()
static vtkReallocingFunction	GetCurrentReallocFunction ()
static vtkFreeingFunction	GetCurrentFreeFunction ()
static vtkFreeingFunction	GetAlternateFreeFunction ()

Member Typedef Documentation

◆ Superclass

typedef vtkContextDevice2D vtkWebGPUContextDevice2D::Superclass

Definition at line 35 of file vtkWebGPUContextDevice2D.h.

Constructor & Destructor Documentation

◆ vtkWebGPUContextDevice2D()

vtkWebGPUContextDevice2D::vtkWebGPUContextDevice2D ( )

protected

◆ ~vtkWebGPUContextDevice2D()

vtkWebGPUContextDevice2D::~vtkWebGPUContextDevice2D ( )

overrideprotected

Member Function Documentation

◆ IsTypeOf()

vtkTypeBool vtkWebGPUContextDevice2D::IsTypeOf ( const char * type )

static

◆ IsA()

virtual vtkTypeBool vtkWebGPUContextDevice2D::IsA ( const char * name )

virtual

Return 1 if this class is the same type of (or a subclass of) the named class.

Returns 0 otherwise. This method works in combination with vtkTypeMacro found in vtkSetGet.h.

Reimplemented from vtkContextDevice2D.

◆ SafeDownCast()

vtkWebGPUContextDevice2D * vtkWebGPUContextDevice2D::SafeDownCast ( vtkObjectBase * o )

static

◆ NewInstanceInternal()

virtual vtkObjectBase * vtkWebGPUContextDevice2D::NewInstanceInternal ( ) const

protectedvirtual

Reimplemented from vtkContextDevice2D.

◆ NewInstance()

vtkWebGPUContextDevice2D * vtkWebGPUContextDevice2D::NewInstance ( ) const

◆ PrintSelf()

void vtkWebGPUContextDevice2D::PrintSelf	(	ostream &	os,
		vtkIndent	indent )

overridevirtual

Methods invoked by print to print information about the object including superclasses.

Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.

Reimplemented from vtkContextDevice2D.

◆ New()

vtkWebGPUContextDevice2D * vtkWebGPUContextDevice2D::New ( )

static

Creates a 2D Painter object.

◆ Begin()

void vtkWebGPUContextDevice2D::Begin ( vtkViewport * viewport )

overridevirtual

Begins the 2D rendering pass for the given viewport.

Resets the vertex ring allocator and configures initial matrices.

Reimplemented from vtkContextDevice2D.

◆ End()

void vtkWebGPUContextDevice2D::End ( )

overridevirtual

Ends the 2D rendering pass and cleans up temporary render state.

Reimplemented from vtkContextDevice2D.

◆ Flush()

void vtkWebGPUContextDevice2D::Flush ( )

Flushes the internal batched vertex buffer to the WebGPU rendering pipeline.

◆ InitializeDeviceResources()

bool vtkWebGPUContextDevice2D::InitializeDeviceResources ( )

Initialize Device Resources: Uniforms, BindGroups, Pipelines, and Textures.

◆ InitializeTexture()

void vtkWebGPUContextDevice2D::InitializeTexture ( )

Initialize Device Resources: Uniforms, BindGroups, Pipelines, and Textures.

◆ BufferIdModeBegin()

void vtkWebGPUContextDevice2D::BufferIdModeBegin ( vtkAbstractContextBufferId * )

inlineoverridevirtual

Noop method.

Reimplemented from vtkContextDevice2D.

Definition at line 71 of file vtkWebGPUContextDevice2D.h.

◆ BufferIdModeEnd()

void vtkWebGPUContextDevice2D::BufferIdModeEnd ( )

inlineoverridevirtual

Noop method.

Reimplemented from vtkContextDevice2D.

Definition at line 72 of file vtkWebGPUContextDevice2D.h.

◆ ReleaseCache()

void vtkWebGPUContextDevice2D::ReleaseCache ( std::uintptr_t )

inlineoverridevirtual

Noop method.

Reimplemented from vtkContextDevice2D.

Definition at line 73 of file vtkWebGPUContextDevice2D.h.

◆ DrawPoly()

void vtkWebGPUContextDevice2D::DrawPoly	(	float *	points,
		int	n,
		unsigned char *	colors = nullptr,
		int	nc_comps = 0 )

overridevirtual

Draw a poly line using the points - fastest code path due to memory layout of the coordinates.

The line will be colored by colors array which has nc_comps components.

Implements vtkContextDevice2D.

◆ DrawLines()

void vtkWebGPUContextDevice2D::DrawLines	(	float *	points,
		int	n,
		unsigned char *	colors = nullptr,
		int	nc_comps = 0 )

overridevirtual

Draw lines using the points - memory layout is as follows: l1p1,l1p2,l2p1,l2p2... The lines will be colored by colors array which has nc_comps components.

See also: DrawPoly()

Implements vtkContextDevice2D.

◆ DrawPoints() [1/2]

void vtkWebGPUContextDevice2D::DrawPoints	(	float *	points,
		int	n,
		unsigned char *	colors = nullptr,
		int	nc_comps = 0 )

overridevirtual

Draw a series of points - fastest code path due to memory layout of the coordinates.

Points are colored by colors array which has nc_comps components.

Implements vtkContextDevice2D.

◆ DrawPoints() [2/2]

void vtkWebGPUContextDevice2D::DrawPoints	(	vtkDataArray *	positions,
		vtkUnsignedCharArray *	colors,
		std::uintptr_t	cacheIdentifier )

overridevirtual

Reimplemented from vtkContextDevice2D.

◆ DrawPointSprites() [1/2]

void vtkWebGPUContextDevice2D::DrawPointSprites	(	vtkImageData *	sprite,
		float *	points,
		int	n,
		unsigned char *	colors = nullptr,
		int	nc_comps = 0 )

overridevirtual

Draw a series of point sprites, images centred at the points supplied.

The supplied vtkImageData is the sprite to be drawn, only squares will be drawn and the size is set using SetPointSize. Points are colored by colors array which has nc_comps components - this part is optional.

Implements vtkContextDevice2D.

◆ DrawPointSprites() [2/2]

void vtkWebGPUContextDevice2D::DrawPointSprites	(	vtkImageData *	sprite,
		vtkDataArray *	positions,
		vtkUnsignedCharArray *	colors,
		std::uintptr_t	cacheIdentifier )

overridevirtual

Reimplemented from vtkContextDevice2D.

◆ DrawMarkers() [1/2]

void vtkWebGPUContextDevice2D::DrawMarkers	(	int	shape,
		bool	highlight,
		float *	points,
		int	n,
		unsigned char *	colors = nullptr,
		int	nc_comps = 0 )

overridevirtual

Draw markers of a specified shape at multiple 2D positions.

The size of the markers is determined by the current Pen's width. If the pen width is less than or equal to 0, a default size of 7 pixels is used. The shape is generated into a vtkImageData using vtkMarkerUtilities and rendered via DrawPointSprites.

Reimplemented from vtkContextDevice2D.

◆ DrawMarkers() [2/2]

void vtkWebGPUContextDevice2D::DrawMarkers	(	int	shape,
		bool	highlight,
		vtkDataArray *	positions,
		vtkUnsignedCharArray *	colors,
		std::uintptr_t	cacheIdentifier )

overridevirtual

Reimplemented from vtkContextDevice2D.

◆ DrawQuad()

void vtkWebGPUContextDevice2D::DrawQuad	(	float *	points,
		int	n )

overridevirtual

Draw a quad using the 4 specified points.

Reimplemented from vtkContextDevice2D.

◆ DrawQuadStrip()

void vtkWebGPUContextDevice2D::DrawQuadStrip	(	float *	points,
		int	n )

overridevirtual

Draw a quad strip using a sequence of points.

Reimplemented from vtkContextDevice2D.

◆ DrawPolygon()

void vtkWebGPUContextDevice2D::DrawPolygon	(	float *	points,
		int	n )

overridevirtual

Draw a filled convex polygon defined by points.

Reimplemented from vtkContextDevice2D.

◆ DrawColoredPolygon()

void vtkWebGPUContextDevice2D::DrawColoredPolygon	(	float *	points,
		int	numPoints,
		unsigned char *	colors = nullptr,
		int	nc_comps = 0 )

overridevirtual

Draw a filled polygon with optional per-vertex or per-polygon colors.

Reimplemented from vtkContextDevice2D.

◆ DrawEllipseWedge()

void vtkWebGPUContextDevice2D::DrawEllipseWedge	(	float	x,
		float	y,
		float	outRx,
		float	outRy,
		float	inRx,
		float	inRy,
		float	startAngle,
		float	stopAngle )

overridevirtual

Draw an elliptical wedge (pie slice) defined by radii and angles.

Implements vtkContextDevice2D.

◆ DrawEllipticArc()

void vtkWebGPUContextDevice2D::DrawEllipticArc	(	float	x,
		float	y,
		float	rX,
		float	rY,
		float	startAngle,
		float	stopAngle )

overridevirtual

Draw an open elliptical arc line segment.

Implements vtkContextDevice2D.

◆ DrawString()

void vtkWebGPUContextDevice2D::DrawString	(	float *	point,
		const vtkStdString &	string )

overridevirtual

Render a text string at the specified world coordinate point.

Implements vtkContextDevice2D.

◆ ComputeStringBounds()

void vtkWebGPUContextDevice2D::ComputeStringBounds	(	const vtkStdString &	string,
		float	bounds[4] )

overridevirtual

Compute the bounding box dimensions for a given text string.

Implements vtkContextDevice2D.

◆ ComputeJustifiedStringBounds()

void vtkWebGPUContextDevice2D::ComputeJustifiedStringBounds	(	const char *	string,
		float	bounds[4] )

overridevirtual

Compute justified bounding box dimensions for a C-style string.

Implements vtkContextDevice2D.

◆ DrawMathTextString()

void vtkWebGPUContextDevice2D::DrawMathTextString	(	float	point[2],
		const vtkStdString &	string )

override

Render a math equation string (MathText format) at the given point.

◆ DrawImage() [1/2]

void vtkWebGPUContextDevice2D::DrawImage	(	float	p[2],
		float	scale,
		vtkImageData *	image )

overridevirtual

Render an image data object scaled and positioned at a given point.

Implements vtkContextDevice2D.

◆ DrawImage() [2/2]

void vtkWebGPUContextDevice2D::DrawImage	(	const vtkRectf &	pos,
		vtkImageData *	image )

overridevirtual

Render an image data object within a specified 2D rectangle.

Implements vtkContextDevice2D.

◆ DrawPolyData()

void vtkWebGPUContextDevice2D::DrawPolyData	(	float	p[2],
		float	scale,
		vtkPolyData *	polyData,
		vtkUnsignedCharArray *	colors,
		int	scalarMode )

overridevirtual

Render a vtkPolyData geometry mesh (lines and polygons) with offset and scale.

Reimplemented from vtkContextDevice2D.

◆ SetColor4()

void vtkWebGPUContextDevice2D::SetColor4 ( unsigned char color[4] )

overridevirtual

Set the color for the device using unsigned char of length 4, RGBA.

Implements vtkContextDevice2D.

void vtkWebGPUContextDevice2D::SetClipping ( int * x )

overridevirtual

Set the clipping rectangle for the 2D context.

This function defines the boundaries for a scissor/clipping box. Any rendering performed while clipping is enabled will be restricted to this rectangle.

Implements vtkContextDevice2D.

◆ EnableClipping()

void vtkWebGPUContextDevice2D::EnableClipping ( bool enable )

bool vtkWebGPUContextDevice2D::InRender = false

protected

Definition at line 284 of file vtkWebGPUContextDevice2D.h.

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

Rendering/WebGPU/vtkWebGPUContextDevice2D.h

Detailed Description

Classes

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Member Typedef Documentation

◆ Superclass

Constructor & Destructor Documentation

◆ vtkWebGPUContextDevice2D()

◆ ~vtkWebGPUContextDevice2D()

Member Function Documentation

◆ IsTypeOf()

◆ IsA()

◆ SafeDownCast()

◆ NewInstanceInternal()

◆ NewInstance()

◆ PrintSelf()

◆ New()

◆ Begin()

◆ End()

◆ Flush()

◆ InitializeDeviceResources()

◆ InitializeTexture()

◆ BufferIdModeBegin()

◆ BufferIdModeEnd()

◆ ReleaseCache()

◆ DrawPoly()

◆ DrawLines()

◆ DrawPoints() [1/2]

◆ DrawPoints() [2/2]

◆ DrawPointSprites() [1/2]

◆ DrawPointSprites() [2/2]

◆ DrawMarkers() [1/2]

◆ DrawMarkers() [2/2]

◆ DrawQuad()

◆ DrawQuadStrip()

◆ DrawPolygon()

◆ DrawColoredPolygon()

◆ DrawEllipseWedge()

◆ DrawEllipticArc()

◆ DrawString()

◆ ComputeStringBounds()

◆ ComputeJustifiedStringBounds()

◆ DrawMathTextString()

◆ DrawImage() [1/2]

◆ DrawImage() [2/2]

◆ DrawPolyData()

◆ SetColor4()

◆ SetColor()

◆ SetTexture()

◆ SetPointSize()

◆ SetLineWidth()

◆ SetLineType()

◆ SetClipping()

◆ EnableClipping()

◆ MultiplyMatrix()

◆ SetMatrix()

◆ GetMatrix()

◆ PushMatrix()

◆ PopMatrix()

◆ ReleaseGraphicsResources()

Member Data Documentation

◆ Renderer

◆ RenderWindow

◆ Storage

◆ ProjectionMatrix

◆ ModelMatrix

◆ InRender