vtkOpenGLContextDevice2D Class Reference

Class for drawing 2D primitives using OpenGL 1.1+. More...

#include <vtkOpenGLContextDevice2D.h>

Inheritance diagram for vtkOpenGLContextDevice2D:

Collaboration diagram for vtkOpenGLContextDevice2D:

Classes
class	Private

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

Public Member Functions
virtual int	IsA (const char *type)
vtkOpenGLContextDevice2D *	NewInstance () const
virtual void	PrintSelf (ostream &os, vtkIndent indent)
virtual void	DrawQuad (float *points, int n)
virtual void	DrawQuadStrip (float *points, int n)
virtual void	DrawPolygon (float *, int)
virtual void	DrawString (float *point, const vtkStdString &string)
virtual void	DrawString (float *point, const vtkUnicodeString &string)
virtual void	DrawMathTextString (float point[2], const vtkStdString &string)
virtual void	DrawImage (float p[2], float scale, vtkImageData *image)
void	DrawImage (const vtkRectf &pos, vtkImageData *image)
virtual void	SetColor4 (unsigned char color[4])
virtual void	SetColor (unsigned char color[3])
virtual void	SetTexture (vtkImageData *image, int properties=0)
virtual void	SetPointSize (float size)
virtual void	SetLineWidth (float width)
virtual void	SetLineType (int type)
virtual void	MultiplyMatrix (vtkMatrix3x3 *m)
virtual void	SetMatrix (vtkMatrix3x3 *m)
virtual void	GetMatrix (vtkMatrix3x3 *m)
virtual void	PushMatrix ()
virtual void	PopMatrix ()
virtual void	SetClipping (int *x)
virtual void	EnableClipping (bool enable)
virtual void	Begin (vtkViewport *viewport)
virtual void	End ()
virtual void	BufferIdModeBegin (vtkAbstractContextBufferId *bufferId)
virtual void	BufferIdModeEnd ()
bool	SetStringRendererToFreeType ()
bool	SetStringRendererToQt ()
bool	HasGLSL ()
virtual void	ReleaseGraphicsResources (vtkWindow *window)
virtual int	IsA (const char *type)
vtkOpenGLContextDevice2D *	NewInstance () const
virtual void	PrintSelf (ostream &os, vtkIndent indent)
virtual void	DrawQuad (float *points, int n)
virtual void	DrawQuadStrip (float *points, int n)
virtual void	DrawPolygon (float *, int)
virtual void	DrawString (float *point, const vtkStdString &string)
virtual void	DrawString (float *point, const vtkUnicodeString &string)
virtual void	DrawMathTextString (float point[2], const vtkStdString &string)
virtual void	DrawImage (float p[2], float scale, vtkImageData *image)
void	DrawImage (const vtkRectf &pos, vtkImageData *image)
virtual void	SetColor4 (unsigned char color[4])
virtual void	SetColor (unsigned char color[3])
virtual void	SetTexture (vtkImageData *image, int properties=0)
virtual void	SetPointSize (float size)
virtual void	SetLineWidth (float width)
virtual void	SetLineType (int type)
virtual void	MultiplyMatrix (vtkMatrix3x3 *m)
virtual void	SetMatrix (vtkMatrix3x3 *m)
virtual void	GetMatrix (vtkMatrix3x3 *m)
virtual void	PushMatrix ()
virtual void	PopMatrix ()
virtual void	SetClipping (int *x)
virtual void	EnableClipping (bool enable)
virtual void	Begin (vtkViewport *viewport)
virtual void	End ()
virtual void	BufferIdModeBegin (vtkAbstractContextBufferId *bufferId)
virtual void	BufferIdModeEnd ()
bool	SetStringRendererToFreeType ()
bool	SetStringRendererToQt ()
bool	HasGLSL ()
virtual void	ReleaseGraphicsResources (vtkWindow *window)
virtual void	DrawPoly (float *f, int n, unsigned char *colors=0, int nc_comps=0)
virtual void	DrawLines (float *f, int n, unsigned char *colors=0, int nc_comps=0)
virtual void	DrawPoints (float *points, int n, unsigned char *colors=0, int nc_comps=0)
virtual void	DrawPointSprites (vtkImageData *sprite, float *points, int n, unsigned char *colors=0, int nc_comps=0)
virtual void	DrawMarkers (int shape, bool highlight, float *points, int n, unsigned char *colors=0, int nc_comps=0)
virtual void	SetMaximumMarkerCacheSize (int)
virtual int	GetMaximumMarkerCacheSize ()
virtual void	DrawEllipseWedge (float x, float y, float outRx, float outRy, float inRx, float inRy, float startAngle, float stopAngle)
virtual void	DrawEllipticArc (float x, float y, float rX, float rY, float startAngle, float stopAngle)
virtual void	ComputeStringBounds (const vtkStdString &string, float bounds[4])
virtual void	ComputeStringBounds (const vtkUnicodeString &string, float bounds[4])
virtual vtkOpenGLRenderWindow *	GetRenderWindow ()
virtual void	DrawPoly (float *f, int n, unsigned char *colors=0, int nc_comps=0)
virtual void	DrawLines (float *f, int n, unsigned char *colors=0, int nc_comps=0)
virtual void	DrawPoints (float *points, int n, unsigned char *colors=0, int nc_comps=0)
virtual void	DrawPointSprites (vtkImageData *sprite, float *points, int n, unsigned char *colors=0, int nc_comps=0)
virtual void	DrawMarkers (int shape, bool highlight, float *points, int n, unsigned char *colors=0, int nc_comps=0)
virtual void	SetMaximumMarkerCacheSize (int)
virtual int	GetMaximumMarkerCacheSize ()
virtual void	DrawEllipseWedge (float x, float y, float outRx, float outRy, float inRx, float inRy, float startAngle, float stopAngle)
virtual void	DrawEllipticArc (float x, float y, float rX, float rY, float startAngle, float stopAngle)
virtual void	ComputeStringBounds (const vtkStdString &string, float bounds[4])
virtual void	ComputeStringBounds (const vtkUnicodeString &string, float bounds[4])
virtual vtkOpenGLRenderWindow *	GetRenderWindow ()
vtkMatrix4x4 *	GetProjectionMatrix ()
vtkMatrix4x4 *	GetModelMatrix ()
Public Member Functions inherited from vtkContextDevice2D
vtkContextDevice2D *	NewInstance () const
virtual void	DrawMathTextString (float *point, const vtkStdString &string)=0
virtual bool	MathTextIsSupported ()
void	ApplyPen (vtkPen *pen)
void	ApplyBrush (vtkBrush *brush)
void	ApplyTextProp (vtkTextProperty *prop)
virtual int	GetWidth ()
virtual int	GetHeight ()
virtual void	DisableClipping ()
virtual bool	GetBufferIdMode () const
virtual void	SetViewportSize (const vtkVector2i &size)
virtual vtkVector2i	GetViewportSize ()
virtual void	SetViewportRect (const vtkRecti &rect)
virtual vtkRecti	GetViewportRect ()
virtual vtkPen *	GetPen ()
virtual vtkBrush *	GetBrush ()
virtual vtkTextProperty *	GetTextProp ()
Public Member Functions inherited from vtkObject
vtkObject *	NewInstance () const
virtual void	DebugOn ()
virtual void	DebugOff ()
bool	GetDebug ()
void	SetDebug (bool debugFlag)
virtual void	Modified ()
virtual unsigned long	GetMTime ()
unsigned long	AddObserver (unsigned long event, vtkCommand *, float priority=0.0f)
unsigned long	AddObserver (const char *event, vtkCommand *, float priority=0.0f)
vtkCommand *	GetCommand (unsigned long tag)
void	RemoveObserver (vtkCommand *)
void	RemoveObservers (unsigned long event, vtkCommand *)
void	RemoveObservers (const char *event, vtkCommand *)
int	HasObserver (unsigned long event, vtkCommand *)
int	HasObserver (const char *event, vtkCommand *)
void	RemoveObserver (unsigned long tag)
void	RemoveObservers (unsigned long event)
void	RemoveObservers (const char *event)
void	RemoveAllObservers ()
int	HasObserver (unsigned long event)
int	HasObserver (const char *event)
template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, void(T::*callback)(), float priority=0.0f)
template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, void(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f)
template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, bool(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f)
int	InvokeEvent (unsigned long event, void *callData)
int	InvokeEvent (const char *event, void *callData)
int	InvokeEvent (unsigned long event)
int	InvokeEvent (const char *event)
Public Member Functions inherited from vtkObjectBase
const char *	GetClassName () const
virtual void	Delete ()
virtual void	FastDelete ()
void	Print (ostream &os)
virtual void	Register (vtkObjectBase *o)
virtual void	UnRegister (vtkObjectBase *o)
void	SetReferenceCount (int)
void	PrintRevisions (ostream &)
virtual void	PrintHeader (ostream &os, vtkIndent indent)
virtual void	PrintTrailer (ostream &os, vtkIndent indent)
int	GetReferenceCount ()

Static Public Member Functions
static int	IsTypeOf (const char *type)
static vtkOpenGLContextDevice2D *	SafeDownCast (vtkObjectBase *o)
static vtkOpenGLContextDevice2D *	New ()
static int	IsTypeOf (const char *type)
static vtkOpenGLContextDevice2D *	SafeDownCast (vtkObjectBase *o)
static vtkOpenGLContextDevice2D *	New ()
Static Public Member Functions inherited from vtkContextDevice2D
static int	IsTypeOf (const char *type)
static vtkContextDevice2D *	SafeDownCast (vtkObjectBase *o)
static vtkContextDevice2D *	New ()
Static Public Member Functions inherited from vtkObject
static int	IsTypeOf (const char *type)
static vtkObject *	SafeDownCast (vtkObjectBase *o)
static vtkObject *	New ()
static void	BreakOnError ()
static void	SetGlobalWarningDisplay (int val)
static void	GlobalWarningDisplayOn ()
static void	GlobalWarningDisplayOff ()
static int	GetGlobalWarningDisplay ()
Static Public Member Functions inherited from vtkObjectBase
static int	IsTypeOf (const char *name)
static vtkObjectBase *	New ()

Protected Member Functions
virtual vtkObjectBase *	NewInstanceInternal () const
	vtkOpenGLContextDevice2D ()
virtual	~vtkOpenGLContextDevice2D ()
virtual bool	LoadExtensions (vtkOpenGLExtensionManager *m)
virtual vtkObjectBase *	NewInstanceInternal () const
	vtkOpenGLContextDevice2D ()
virtual	~vtkOpenGLContextDevice2D ()
void	ReadyVCBOProgram ()
void	ReadyVBOProgram ()
void	ReadyVTBOProgram ()
void	ReadySCBOProgram ()
void	ReadySBOProgram ()
void	SetMatrices (vtkShaderProgram *prog)
void	BuildVBO (vtkOpenGLHelper *cbo, float *v, int nv, unsigned char *coolors, int nc, float *tcoords)
void	CoreDrawTriangles (std::vector< float > &tverts)
int	GetNumberOfArcIterations (float rX, float rY, float startAngle, float stopAngle)
int	GetNumberOfArcIterations (float rX, float rY, float startAngle, float stopAngle)
Protected Member Functions inherited from vtkContextDevice2D
	vtkContextDevice2D ()
	~vtkContextDevice2D ()
Protected Member Functions inherited from vtkObject
	vtkObject ()
virtual	~vtkObject ()
virtual void	RegisterInternal (vtkObjectBase *, int check)
virtual void	UnRegisterInternal (vtkObjectBase *, int check)
void	InternalGrabFocus (vtkCommand *mouseEvents, vtkCommand *keypressEvents=NULL)
void	InternalReleaseFocus ()
Protected Member Functions inherited from vtkObjectBase
	vtkObjectBase ()
virtual	~vtkObjectBase ()
virtual void	CollectRevisions (ostream &)
virtual void	ReportReferences (vtkGarbageCollector *)
	vtkObjectBase (const vtkObjectBase &)
void	operator= (const vtkObjectBase &)

Protected Attributes
int	Geometry [2]
vtkRenderer *	Renderer
vtkStringToImage *	TextRenderer
bool	InRender
vtkOpenGLRenderWindow *	RenderWindow
vtkOpenGLHelper *	VCBO
vtkOpenGLHelper *	VBO
vtkOpenGLHelper *	VTBO
vtkOpenGLHelper *	SCBO
vtkOpenGLHelper *	SBO
Private *	Storage
Protected Attributes inherited from vtkContextDevice2D
int	Geometry [2]
vtkVector2i	ViewportSize
vtkRecti	ViewportRect
vtkAbstractContextBufferId *	BufferId
vtkPen *	Pen
vtkBrush *	Brush
vtkTextProperty *	TextProp
Protected Attributes inherited from vtkObject
bool	Debug
vtkTimeStamp	MTime
vtkSubjectHelper *	SubjectHelper
Protected Attributes inherited from vtkObjectBase
vtkAtomicInt32	ReferenceCount
vtkWeakPointerBase **	WeakPointers

Detailed Description

Class for drawing 2D primitives using OpenGL 1.1+.

This class takes care of drawing the 2D primitives for the vtkContext2D class. In general this class should not be used directly, but called by vtkContext2D which takes care of many of the higher level details.

See also

vtkOpenGL2ContextDevice2D

Tests:

vtkOpenGLContextDevice2D (Tests)

This class takes care of drawing the 2D primitives for the vtkContext2D class. In general this class should not be used directly, but called by vtkContext2D which takes care of many of the higher level details.

See also

vtkOpenGL2ContextDevice2D

Definition at line 47 of file vtkOpenGLContextDevice2D.h.

Member Typedef Documentation

typedef vtkContextDevice2D vtkOpenGLContextDevice2D::Superclass

Definition at line 50 of file vtkOpenGLContextDevice2D.h.

typedef vtkContextDevice2D vtkOpenGLContextDevice2D::Superclass

Definition at line 52 of file vtkOpenGLContextDevice2D.h.

Constructor & Destructor Documentation

vtkOpenGLContextDevice2D::vtkOpenGLContextDevice2D ( )

protected

virtual vtkOpenGLContextDevice2D::~vtkOpenGLContextDevice2D ( )

protectedvirtual

vtkOpenGLContextDevice2D::vtkOpenGLContextDevice2D ( )

protected

virtual vtkOpenGLContextDevice2D::~vtkOpenGLContextDevice2D ( )

protectedvirtual

Member Function Documentation

static int vtkOpenGLContextDevice2D::IsTypeOf ( const char *  type )

static

virtual int vtkOpenGLContextDevice2D::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.

Reimplemented in vtkOpenGL2ContextDevice2D, and vtkGL2PSContextDevice2D.

static vtkOpenGLContextDevice2D* vtkOpenGLContextDevice2D::SafeDownCast ( vtkObjectBase *  o )

static

virtual vtkObjectBase* vtkOpenGLContextDevice2D::NewInstanceInternal ( ) const

protectedvirtual

Reimplemented from vtkContextDevice2D.

Reimplemented in vtkOpenGL2ContextDevice2D, and vtkGL2PSContextDevice2D.

vtkOpenGLContextDevice2D* vtkOpenGLContextDevice2D::NewInstance

(

)

const

virtual void vtkOpenGLContextDevice2D::PrintSelf ( ostream &  os, vtkIndent  indent  )

virtual

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.

Reimplemented in vtkOpenGL2ContextDevice2D, and vtkGL2PSContextDevice2D.

static vtkOpenGLContextDevice2D* vtkOpenGLContextDevice2D::New ( )

static

Creates a 2D Painter object.

virtual void vtkOpenGLContextDevice2D::DrawPoly ( float *  f, int  n, unsigned char *  colors = 0, int  nc_comps = 0  )

virtual

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.

See also

DrawLines()

Implements vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawLines ( float *  f, int  n, unsigned char *  colors = 0, int  nc_comps = 0  )

virtual

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.

virtual void vtkOpenGLContextDevice2D::DrawPoints ( float *  points, int  n, unsigned char *  colors = 0, int  nc_comps = 0  )

virtual

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.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawPointSprites ( vtkImageData *  sprite, float *  points, int  n, unsigned char *  colors = 0, int  nc_comps = 0  )

virtual

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.

Reimplemented in vtkGL2PSContextDevice2D, and vtkOpenGL2ContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawMarkers ( int  shape, bool  highlight, float *  points, int  n, unsigned char *  colors = 0, int  nc_comps = 0  )

virtual

Draw a series of markers centered at the points supplied. The shape argument controls the marker shape, and can be one of - VTK_MARKER_CROSS - VTK_MARKER_PLUS - VTK_MARKER_SQUARE - VTK_MARKER_CIRCLE - VTK_MARKER_DIAMOND

Parameters

colors	is an optional array of colors.
nc_comps	is the number of components for the color.

Reimplemented from vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::SetMaximumMarkerCacheSize ( int  )

virtual

Adjust the size of the MarkerCache. This implementation generates point sprites for each mark size/shape and uses DrawPointSprites to render them. The number of cached markers can be accessed with this function.

virtual int vtkOpenGLContextDevice2D::GetMaximumMarkerCacheSize ( )

virtual

Adjust the size of the MarkerCache. This implementation generates point sprites for each mark size/shape and uses DrawPointSprites to render them. The number of cached markers can be accessed with this function.

virtual void vtkOpenGLContextDevice2D::DrawQuad ( float *  points, int  n  )

virtual

Draws a rectangle

Reimplemented from vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawQuadStrip ( float *  points, int  n  )

virtual

Draws a rectangle

Reimplemented from vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawPolygon ( float *  , int    )

virtual

Draw a polygon using the specified number of points.

Reimplemented from vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawEllipseWedge ( float  x, float  y, float  outRx, float  outRy, float  inRx, float  inRy, float  startAngle, float  stopAngle  )

virtual

Draw an elliptic wedge with center at x, y, outer radii outRx, outRy, inner radii inRx, inRy between angles startAngle and stopAngle (expressed in degrees).

Precondition

positive_outRx: outRx>=0

positive_outRy: outRy>=0

positive_inRx: inRx>=0

positive_inRy: inRy>=0

ordered_rx: inRx<=outRx

ordered_ry: inRy<=outRy

Implements vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawEllipticArc ( float  x, float  y, float  rX, float  rY, float  startAngle, float  stopAngle  )

virtual

Draw an elliptic arc with center at x,y with radii rX and rY between angles startAngle and stopAngle (expressed in degrees).

Precondition

positive_rX: rX>=0

positive_rY: rY>=0

Implements vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawString ( float *  point, const vtkStdString &  string  )

virtual

Draw some text to the screen!

Implements vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::ComputeStringBounds ( const vtkStdString &  string, float  bounds[4]  )

virtual

Compute the bounds of the supplied string. The bounds will be copied to the supplied bounds variable, the first two elements are the bottom corner of the string, and the second two elements are the width and height of the bounding box. An empty bounding box (0, 0, 0, 0) is returned for an empty string or string with only characters that cannot be rendered. NOTE: This function does not take account of the text rotation.

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawString ( float *  point, const vtkUnicodeString &  string  )

virtual

Draw some text to the screen.

Implements vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::ComputeStringBounds ( const vtkUnicodeString &  string, float  bounds[4]  )

virtual

Compute the bounds of the supplied string. The bounds will be copied to the supplied bounds variable, the first two elements are the bottom corner of the string, and the second two elements are the width and height of the bounding box. An empty bounding box (0, 0, 0, 0) is returned for an empty string or string with only characters that cannot be rendered. NOTE: This function does not take account of the text rotation.

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawMathTextString ( float  point[2], const vtkStdString &  string  )

virtual

Draw text using MathText markup for mathematical equations. See http://matplotlib.sourceforge.net/users/mathtext.html for more information.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawImage ( float  p[2], float  scale, vtkImageData *  image  )

virtual

Draw the supplied image at the given x, y (p[0], p[1]) (bottom corner), scaled by scale (1.0 would match the image).

Implements vtkContextDevice2D.

Reimplemented in vtkOpenGL2ContextDevice2D.

void vtkOpenGLContextDevice2D::DrawImage ( const vtkRectf &  pos, vtkImageData *  image  )

virtual

Draw the supplied image at the given position. The origin, width, and height are specified by the supplied vtkRectf variable pos. The image will be drawn scaled to that size.

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::SetColor4 ( unsigned char  color[4] )

virtual

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

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::SetColor ( unsigned char  color[3] )

virtual

Set the color for the device using unsigned char of length 3, RGB.

virtual void vtkOpenGLContextDevice2D::SetTexture ( vtkImageData *  image, int  properties = 0  )

virtual

Set the texture for the device, it is used to fill the polygons

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::SetPointSize ( float  size )

virtual

Set the point size for glyphs/sprites.

Implements vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::SetLineWidth ( float  width )

virtual

Set the line width for glyphs/sprites.

Implements vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::SetLineType ( int  type )

virtual

Set the line type type (using anonymous enum in vtkPen).

Implements vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::MultiplyMatrix ( vtkMatrix3x3 *  m )

virtual

Multiply the current model view matrix by the supplied one.

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::SetMatrix ( vtkMatrix3x3 *  m )

virtual

Set the model view matrix for the display

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::GetMatrix ( vtkMatrix3x3 *  m )

virtual

Set the model view matrix for the display

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::PushMatrix ( )

virtual

Push the current matrix onto the stack.

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::PopMatrix ( )

virtual

Pop the current matrix off of the stack.

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::SetClipping ( int *  x )

virtual

Supply an int array of length 4 with x1, y1, width, height specifying clipping for the display.

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::EnableClipping ( bool  enable )

virtual

Disable clipping of the display.

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::Begin ( vtkViewport *  viewport )

virtual

Begin drawing, pass in the viewport to set up the view.

Reimplemented from vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::End ( )

virtual

End drawing, clean up the view.

Reimplemented from vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::BufferIdModeBegin ( vtkAbstractContextBufferId *  bufferId )

virtual

Start BufferId creation Mode. The default implementation is empty.

Precondition

not_yet: !GetBufferIdMode()

bufferId_exists: bufferId!=0

Postcondition

started: GetBufferIdMode()

Reimplemented from vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::BufferIdModeEnd ( )

virtual

Finalize BufferId creation Mode. It makes sure that the content of the bufferId passed in argument of BufferIdModeBegin() is correctly set. The default implementation is empty.

Precondition

started: GetBufferIdMode()

Postcondition

done: !GetBufferIdMode()

Reimplemented from vtkContextDevice2D.

bool vtkOpenGLContextDevice2D::SetStringRendererToFreeType

(

)

Force the use of the freetype based render strategy. If Qt is available then freetype will be used preferentially, otherwise this has no effect. Returns true on success.

bool vtkOpenGLContextDevice2D::SetStringRendererToQt

(

)

Force the use of the Qt based string render strategy. If Qt is not available then freetype will be used and this will return false.

bool vtkOpenGLContextDevice2D::HasGLSL

(

)

Check whether the current context device has support for GLSL.

virtual vtkOpenGLRenderWindow* vtkOpenGLContextDevice2D::GetRenderWindow ( )

virtual

Get the active RenderWindow of the device. Will return null if not active.

virtual void vtkOpenGLContextDevice2D::ReleaseGraphicsResources ( vtkWindow *  window )

virtual

Release any graphics resources that are being consumed by this device. The parameter window could be used to determine which graphic resources to release.

Reimplemented in vtkOpenGL2ContextDevice2D.

int vtkOpenGLContextDevice2D::GetNumberOfArcIterations ( float  rX, float  rY, float  startAngle, float  stopAngle  )

protected

Factorized code called by DrawEllipseWedge() and DrawEllipticArc() to figure out the number of iterations required to make an arc smooth.

Precondition

positive_rX: rX>=0.0f

positive_rY: rY>=0.0f

not_both_null: rX>0.0 || rY>0.0

virtual bool vtkOpenGLContextDevice2D::LoadExtensions ( vtkOpenGLExtensionManager *  m )

protectedvirtual

Load the OpenGL extensions we need.

Reimplemented in vtkOpenGL2ContextDevice2D.

static int vtkOpenGLContextDevice2D::IsTypeOf ( const char *  type )

static

virtual int vtkOpenGLContextDevice2D::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.

Reimplemented in vtkOpenGL2ContextDevice2D, and vtkGL2PSContextDevice2D.

static vtkOpenGLContextDevice2D* vtkOpenGLContextDevice2D::SafeDownCast ( vtkObjectBase *  o )

static

virtual vtkObjectBase* vtkOpenGLContextDevice2D::NewInstanceInternal ( ) const

protectedvirtual

Reimplemented from vtkContextDevice2D.

Reimplemented in vtkOpenGL2ContextDevice2D, and vtkGL2PSContextDevice2D.

vtkOpenGLContextDevice2D* vtkOpenGLContextDevice2D::NewInstance

(

)

const

virtual void vtkOpenGLContextDevice2D::PrintSelf ( ostream &  os, vtkIndent  indent  )

virtual

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.

Reimplemented in vtkOpenGL2ContextDevice2D, and vtkGL2PSContextDevice2D.

static vtkOpenGLContextDevice2D* vtkOpenGLContextDevice2D::New ( )

static

Creates a 2D Painter object.

virtual void vtkOpenGLContextDevice2D::DrawPoly ( float *  f, int  n, unsigned char *  colors = 0, int  nc_comps = 0  )

virtual

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.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawLines ( float *  f, int  n, unsigned char *  colors = 0, int  nc_comps = 0  )

virtual

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.

virtual void vtkOpenGLContextDevice2D::DrawPoints ( float *  points, int  n, unsigned char *  colors = 0, int  nc_comps = 0  )

virtual

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.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawPointSprites ( vtkImageData *  sprite, float *  points, int  n, unsigned char *  colors = 0, int  nc_comps = 0  )

virtual

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.

Reimplemented in vtkGL2PSContextDevice2D, and vtkOpenGL2ContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawMarkers ( int  shape, bool  highlight, float *  points, int  n, unsigned char *  colors = 0, int  nc_comps = 0  )

virtual

Draw a series of markers centered at the points supplied. The shape argument controls the marker shape, and can be one of - VTK_MARKER_CROSS - VTK_MARKER_PLUS - VTK_MARKER_SQUARE - VTK_MARKER_CIRCLE - VTK_MARKER_DIAMOND

Parameters

colors	is an optional array of colors.
nc_comps	is the number of components for the color.

Reimplemented from vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::SetMaximumMarkerCacheSize ( int  )

virtual

Adjust the size of the MarkerCache. This implementation generates point sprites for each mark size/shape and uses DrawPointSprites to render them. The number of cached markers can be accessed with this function.

virtual int vtkOpenGLContextDevice2D::GetMaximumMarkerCacheSize ( )

virtual

Adjust the size of the MarkerCache. This implementation generates point sprites for each mark size/shape and uses DrawPointSprites to render them. The number of cached markers can be accessed with this function.

virtual void vtkOpenGLContextDevice2D::DrawQuad ( float *  points, int  n  )

virtual

Draws a rectangle

Reimplemented from vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawQuadStrip ( float *  points, int  n  )

virtual

Draws a rectangle

Reimplemented from vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawPolygon ( float *  , int    )

virtual

Draw a polygon using the specified number of points.

Reimplemented from vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawEllipseWedge ( float  x, float  y, float  outRx, float  outRy, float  inRx, float  inRy, float  startAngle, float  stopAngle  )

virtual

Draw an elliptic wedge with center at x, y, outer radii outRx, outRy, inner radii inRx, inRy between angles startAngle and stopAngle (expressed in degrees).

Precondition

positive_outRx: outRx>=0

positive_outRy: outRy>=0

positive_inRx: inRx>=0

positive_inRy: inRy>=0

ordered_rx: inRx<=outRx

ordered_ry: inRy<=outRy

Implements vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawEllipticArc ( float  x, float  y, float  rX, float  rY, float  startAngle, float  stopAngle  )

virtual

Draw an elliptic arc with center at x,y with radii rX and rY between angles startAngle and stopAngle (expressed in degrees).

Precondition

positive_rX: rX>=0

positive_rY: rY>=0

Implements vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawString ( float *  point, const vtkStdString &  string  )

virtual

Draw some text to the screen!

Implements vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::ComputeStringBounds ( const vtkStdString &  string, float  bounds[4]  )

virtual

Compute the bounds of the supplied string. The bounds will be copied to the supplied bounds variable, the first two elements are the bottom corner of the string, and the second two elements are the width and height of the bounding box. An empty bounding box (0, 0, 0, 0) is returned for an empty string or string with only characters that cannot be rendered. NOTE: This function does not take account of the text rotation.

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawString ( float *  point, const vtkUnicodeString &  string  )

virtual

Draw some text to the screen.

Implements vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::ComputeStringBounds ( const vtkUnicodeString &  string, float  bounds[4]  )

virtual

Compute the bounds of the supplied string. The bounds will be copied to the supplied bounds variable, the first two elements are the bottom corner of the string, and the second two elements are the width and height of the bounding box. An empty bounding box (0, 0, 0, 0) is returned for an empty string or string with only characters that cannot be rendered. NOTE: This function does not take account of the text rotation.

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawMathTextString ( float  point[2], const vtkStdString &  string  )

virtual

Draw text using MathText markup for mathematical equations. See http://matplotlib.sourceforge.net/users/mathtext.html for more information.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::DrawImage ( float  p[2], float  scale, vtkImageData *  image  )

virtual

Draw the supplied image at the given x, y (p[0], p[1]) (bottom corner), scaled by scale (1.0 would match the image).

Implements vtkContextDevice2D.

Reimplemented in vtkOpenGL2ContextDevice2D.

void vtkOpenGLContextDevice2D::DrawImage ( const vtkRectf &  pos, vtkImageData *  image  )

virtual

Draw the supplied image at the given position. The origin, width, and height are specified by the supplied vtkRectf variable pos. The image will be drawn scaled to that size.

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::SetColor4 ( unsigned char  color[4] )

virtual

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

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::SetColor ( unsigned char  color[3] )

virtual

Set the color for the device using unsigned char of length 3, RGB.

virtual void vtkOpenGLContextDevice2D::SetTexture ( vtkImageData *  image, int  properties = 0  )

virtual

Set the texture for the device, it is used to fill the polygons

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::SetPointSize ( float  size )

virtual

Set the point size for glyphs/sprites.

Implements vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::SetLineWidth ( float  width )

virtual

Set the line width for glyphs/sprites.

Implements vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::SetLineType ( int  type )

virtual

Set the line type type (using anonymous enum in vtkPen).

Implements vtkContextDevice2D.

Reimplemented in vtkGL2PSContextDevice2D.

virtual void vtkOpenGLContextDevice2D::MultiplyMatrix ( vtkMatrix3x3 *  m )

virtual

Multiply the current model view matrix by the supplied one.

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::SetMatrix ( vtkMatrix3x3 *  m )

virtual

Set the model view matrix for the display

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::GetMatrix ( vtkMatrix3x3 *  m )

virtual

Set the model view matrix for the display

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::PushMatrix ( )

virtual

Push the current matrix onto the stack.

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::PopMatrix ( )

virtual

Pop the current matrix off of the stack.

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::SetClipping ( int *  x )

virtual

Supply an int array of length 4 with x1, y1, x2, y2 specifying clipping for the display.

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::EnableClipping ( bool  enable )

virtual

Disable clipping of the display.

Implements vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::Begin ( vtkViewport *  viewport )

virtual

Begin drawing, pass in the viewport to set up the view.

Reimplemented from vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::End ( )

virtual

End drawing, clean up the view.

Reimplemented from vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::BufferIdModeBegin ( vtkAbstractContextBufferId *  bufferId )

virtual

Start BufferId creation Mode. The default implementation is empty.

Precondition

not_yet: !GetBufferIdMode()

bufferId_exists: bufferId!=0

Postcondition

started: GetBufferIdMode()

Reimplemented from vtkContextDevice2D.

virtual void vtkOpenGLContextDevice2D::BufferIdModeEnd ( )

virtual

Finalize BufferId creation Mode. It makes sure that the content of the bufferId passed in argument of BufferIdModeBegin() is correctly set. The default implementation is empty.

Precondition

started: GetBufferIdMode()

Postcondition

done: !GetBufferIdMode()

Reimplemented from vtkContextDevice2D.

bool vtkOpenGLContextDevice2D::SetStringRendererToFreeType

(

)

Force the use of the freetype based render strategy. If Qt is available then freetype will be used preferentially, otherwise this has no effect. Returns true on success.

bool vtkOpenGLContextDevice2D::SetStringRendererToQt

(

)

Force the use of the Qt based string render strategy. If Qt is not available then freetype will be used and this will return false.

bool vtkOpenGLContextDevice2D::HasGLSL

(

)

Check whether the current context device has support for GLSL.

virtual vtkOpenGLRenderWindow* vtkOpenGLContextDevice2D::GetRenderWindow ( )

virtual

Get the active RenderWindow of the device. Will return null if not active.

virtual void vtkOpenGLContextDevice2D::ReleaseGraphicsResources ( vtkWindow *  window )

virtual

Release any graphics resources that are being consumed by this device. The parameter window could be used to determine which graphic resources to release.

Reimplemented in vtkOpenGL2ContextDevice2D.

vtkMatrix4x4* vtkOpenGLContextDevice2D::GetProjectionMatrix

(

)

Get the projection matrix this is needed

vtkMatrix4x4* vtkOpenGLContextDevice2D::GetModelMatrix

(

)

Get the projection matrix this is needed

int vtkOpenGLContextDevice2D::GetNumberOfArcIterations ( float  rX, float  rY, float  startAngle, float  stopAngle  )

protected

Factorized code called by DrawEllipseWedge() and DrawEllipticArc() to figure out the number of iterations required to make an arc smooth.

Precondition

positive_rX: rX>=0.0f

positive_rY: rY>=0.0f

not_both_null: rX>0.0 || rY>0.0

void vtkOpenGLContextDevice2D::ReadyVCBOProgram ( )

protected

void vtkOpenGLContextDevice2D::ReadyVBOProgram ( )

protected

void vtkOpenGLContextDevice2D::ReadyVTBOProgram ( )

protected

void vtkOpenGLContextDevice2D::ReadySCBOProgram ( )

protected

void vtkOpenGLContextDevice2D::ReadySBOProgram ( )

protected

void vtkOpenGLContextDevice2D::SetMatrices ( vtkShaderProgram *  prog )

protected

void vtkOpenGLContextDevice2D::BuildVBO ( vtkOpenGLHelper *  cbo, float *  v, int  nv, unsigned char *  coolors, int  nc, float *  tcoords  )

protected

void vtkOpenGLContextDevice2D::CoreDrawTriangles ( std::vector< float > &  tverts )

protected

Member Data Documentation

int vtkOpenGLContextDevice2D::Geometry

protected

Store the width and height of the display devicen (in pixels).

Definition at line 281 of file vtkOpenGLContextDevice2D.h.

vtkRenderer * vtkOpenGLContextDevice2D::Renderer

protected

We need to store a pointer to the renderer for the text rendering

Definition at line 284 of file vtkOpenGLContextDevice2D.h.

vtkStringToImage * vtkOpenGLContextDevice2D::TextRenderer

protected

We also need a label render strategy

Definition at line 287 of file vtkOpenGLContextDevice2D.h.

bool vtkOpenGLContextDevice2D::InRender

protected

Is the device currently rendering? Prevent multiple End() calls.

Definition at line 290 of file vtkOpenGLContextDevice2D.h.

Private * vtkOpenGLContextDevice2D::Storage

protected

Definition at line 294 of file vtkOpenGLContextDevice2D.h.

vtkOpenGLRenderWindow * vtkOpenGLContextDevice2D::RenderWindow

protected

The OpenGL render window being used by the device

Definition at line 302 of file vtkOpenGLContextDevice2D.h.

vtkOpenGLHelper* vtkOpenGLContextDevice2D::VCBO

protected

Definition at line 309 of file vtkOpenGLContextDevice2D.h.

vtkOpenGLHelper* vtkOpenGLContextDevice2D::VBO

protected

Definition at line 311 of file vtkOpenGLContextDevice2D.h.

vtkOpenGLHelper* vtkOpenGLContextDevice2D::VTBO

protected

Definition at line 313 of file vtkOpenGLContextDevice2D.h.

vtkOpenGLHelper* vtkOpenGLContextDevice2D::SCBO

protected

Definition at line 315 of file vtkOpenGLContextDevice2D.h.

vtkOpenGLHelper* vtkOpenGLContextDevice2D::SBO

protected

Definition at line 317 of file vtkOpenGLContextDevice2D.h.

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

• dox/Rendering/ContextOpenGL/vtkOpenGLContextDevice2D.h