#include <GiViewport.h>

Inheritance diagram for OdGiViewport:

Public Member Functions
	ODRX_DECLARE_MEMBERS (OdGiViewport)

virtual OdGeMatrix3d	getModelToEyeTransform () const =0

virtual OdGeMatrix3d	getEyeToModelTransform () const =0

virtual OdGeMatrix3d	getWorldToEyeTransform () const =0

virtual OdGeMatrix3d	getEyeToWorldTransform () const =0

virtual bool	isPerspective () const =0

virtual bool	doPerspective (OdGePoint3d &point) const =0

virtual bool	doInversePerspective (OdGePoint3d &point) const =0

virtual void	getNumPixelsInUnitSquare (const OdGePoint3d &point, OdGePoint2d &pixelDensity, bool bUsePerspective=true) const =0

virtual OdGePoint3d	getCameraLocation () const =0

virtual OdGePoint3d	getCameraTarget () const =0

virtual OdGeVector3d	getCameraUpVector () const =0

virtual OdGeVector3d	viewDir () const =0

virtual OdUInt32	viewportId () const =0

virtual OdInt16	acadWindowId () const =0

virtual void	getViewportDcCorners (OdGePoint2d &lowerLeft, OdGePoint2d &upperRight) const =0

virtual bool	getFrontAndBackClipValues (bool &clipFront, bool &clipBack, double &front, double &back) const =0

virtual double	linetypeScaleMultiplier () const =0

virtual double	linetypeGenerationCriteria () const =0

virtual bool	layerVisible (OdDbStub *layerId) const =0

virtual const OdGiContextualColors *	contextualColors () const

Public Member Functions inherited from OdRxObject
	ODRX_HEAP_OPERATORS ()

	OdRxObject ()

virtual	~OdRxObject ()

virtual OdRxObject *	queryX (const OdRxClass *pClass) const

virtual OdRxObject *	x (const OdRxClass *pClass) const

virtual OdRxClass *	isA () const

virtual void	addRef ()=0

virtual void	release ()=0

virtual long	numRefs () const

bool	isKindOf (const OdRxClass *pClass) const

virtual OdRxObjectPtr	clone () const

virtual void	copyFrom (const OdRxObject *pSource)

virtual OdRx::Ordering	comparedTo (const OdRxObject *pOther) const

virtual bool	isEqualTo (const OdRxObject *pOther) const

Additional Inherited Members
Static Public Member Functions inherited from OdRxObject
static OdRxObjectPtr	cast (const OdRxObject *pointer)

static OdRxClass *	desc ()

Detailed Description

This class represents the view characteristics of current Viewport within the Teigha vectorization framework.

Remarks: Client code can query this information to generate the correct viewport -dependent geometric representation for an object.

See also: TD_Gi:

Definition at line 50 of file GiViewport.h.

Member Function Documentation

◆ acadWindowId()

virtual OdInt16 OdGiViewport::acadWindowId ( ) const

pure virtual

Returns the ID for this Viewport object..

Remarks: The value returned corresponds to the CVPORT system variable.

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ contextualColors()

virtual const OdGiContextualColors* OdGiViewport::contextualColors ( ) const

inlinevirtual

Returns pointer to context-dependent colors storage.

Remarks: This pointer could be null if contextual colors doesn't specified by context.

Reimplemented in OdGiBaseVectorizerImpl.

Definition at line 251 of file GiViewport.h.

◆ doInversePerspective()

virtual bool OdGiViewport::doInversePerspective ( OdGePoint3d & point ) const

pure virtual

Applies the inverse of the current perspective transformation to the specified point.

Parameters

point [in/out] Any 3D point.

Remarks: The point is transformed from normalized device coordinates to EyeSpace coordinates

Returns true if and only if the point was transformed; i.e., a perspective transform is active, and the point was neither too close or behind the camera.

See also: Coordinate Systems

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ doPerspective()

virtual bool OdGiViewport::doPerspective ( OdGePoint3d & point ) const

pure virtual

Applies the current perspective transformation to the specified point.

Parameters

point [in/out] Any 3D point.

Remarks: The point is transformed from EyeSpace coordinates to normalized device coordinates.

Returns true if and only if the point was transformed; i.e., a perspective transform is active, and the point was neither too close or behind the camera.

See also: Coordinate Systems

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ getCameraLocation()

virtual OdGePoint3d OdGiViewport::getCameraLocation ( ) const

pure virtual

Returns the WCS camera (eye) location for this Viewport object.

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ getCameraTarget()

virtual OdGePoint3d OdGiViewport::getCameraTarget ( ) const

pure virtual

Returns the WCS camera target for this Viewport object.

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ getCameraUpVector()

virtual OdGeVector3d OdGiViewport::getCameraUpVector ( ) const

pure virtual

Returns the WCS camera "up" vector for this Viewport object.

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ getEyeToModelTransform()

virtual OdGeMatrix3d OdGiViewport::getEyeToModelTransform ( ) const

pure virtual

Returns the transformation matrix from EyeSpace to ModelSpace for this Viewport object.

See also: Coordinate Systems

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ getEyeToWorldTransform()

virtual OdGeMatrix3d OdGiViewport::getEyeToWorldTransform ( ) const

pure virtual

Returns the transformation matrix from EyeSpace to WCS for this Viewport object.

See also: Coordinate Systems

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ getFrontAndBackClipValues()

virtual bool OdGiViewport::getFrontAndBackClipValues	(	bool &	clipFront,
		bool &	clipBack,
		double &	front,
		double &	back
	)		const

pure virtual

Returns the front and back clipping parameters for this Viewport object.

Parameters

clipFront	[out] Receives true if and only if front clipping is enabled.
clipBack	[out] Receives true if and only if back clipping is enabled.
front	[out] Receives the front clipping distance.
back	[out] Receives the back clipping distance.

Remarks: Returns clipFront || clipBack.

front and back are the eye coordinate Z values.

Clipping planes are perpendicular to the view direction.

If the front clipping plane is enabled, geometry in front of it is not displayed.

If the back clipping plane is enabled, geometry in back of it is not displayed.

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ getModelToEyeTransform()

virtual OdGeMatrix3d OdGiViewport::getModelToEyeTransform ( ) const

pure virtual

Returns the transformation matrix from ModelSpace to EyeSpace for this Viewport object.

See also: Coordinate Systems

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ getNumPixelsInUnitSquare()

virtual void OdGiViewport::getNumPixelsInUnitSquare	(	const OdGePoint3d &	point,
		OdGePoint2d &	pixelDensity,
		bool	bUsePerspective = `true`
	)		const

pure virtual

Returns the display pixel density at the specified point for this Viewport object.

Parameters

point	[in] WCS center of the unit square.
pixelDensity	[out] Receives the pixel density.
bUsePerspective	[in] Enable perspective inclusion into pixel density calculation.

Remarks: Pixel density is measured in pixels per WCS unit.

This function can be used to determine if the geometry generated for an object will be smaller than the size of a pixel.

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ getViewportDcCorners()

virtual void OdGiViewport::getViewportDcCorners	(	OdGePoint2d &	lowerLeft,
		OdGePoint2d &	upperRight
	)		const

pure virtual

Returns lower-left and upper-right corners of this Viewport object in normalized device Coordinates.

Parameters

lowerLeft	[out] Receives the lower-left corner.
upperRight	[out] Receives the upper-right.

Remarks: This information lets position items that are fixed in size and/or position with respect to a Viewport.

See also: Coordinate Systems

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ getWorldToEyeTransform()

virtual OdGeMatrix3d OdGiViewport::getWorldToEyeTransform ( ) const

pure virtual

Returns the transformation matrix from WCS to EyeSpace for this Viewport object.

See also: Coordinate Systems

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ isPerspective()

virtual bool OdGiViewport::isPerspective ( ) const

pure virtual

Returns true if and only if perspective mode is on for this Viewport.

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ layerVisible()

virtual bool OdGiViewport::layerVisible ( OdDbStub * layerId ) const

pure virtual

Returns true if and only if the specified layer is not frozen either globally or in this Viewport object.

Parameters

layerId [in] Object ID of OdLayerTableRecord.

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ linetypeGenerationCriteria()

virtual double OdGiViewport::linetypeGenerationCriteria ( ) const

pure virtual

Returns the WCS value below which linetype generation is not used.

Remarks: If the WCS length an entire linetype pattern is less than the returned value, then the linetype will be rendered as continuous.

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ linetypeScaleMultiplier()

virtual double OdGiViewport::linetypeScaleMultiplier ( ) const

pure virtual

Returns a multiplier that is used to scale all linetypes in this Viewport object.

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ ODRX_DECLARE_MEMBERS()

OdGiViewport::ODRX_DECLARE_MEMBERS ( OdGiViewport )

◆ viewDir()

virtual OdGeVector3d OdGiViewport::viewDir ( ) const

pure virtual

Returns the vector from the camera target to the camera location.

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

◆ viewportId()

virtual OdUInt32 OdGiViewport::viewportId ( ) const

pure virtual

Returns the OdGi Viewport ID for this Viewport object.

Remarks: The value returned has no relationshp to the CVPORT system variable.

Implemented in OdGiLayerTraitsTakerView, and OdGiBaseVectorizerImpl.

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

GiViewport.h

Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ acadWindowId()

◆ contextualColors()

◆ doInversePerspective()

◆ doPerspective()

◆ getCameraLocation()

◆ getCameraTarget()

◆ getCameraUpVector()

◆ getEyeToModelTransform()

◆ getEyeToWorldTransform()

◆ getFrontAndBackClipValues()

◆ getModelToEyeTransform()

◆ getNumPixelsInUnitSquare()

◆ getViewportDcCorners()

◆ getWorldToEyeTransform()

◆ isPerspective()

◆ layerVisible()

◆ linetypeGenerationCriteria()

◆ linetypeScaleMultiplier()

◆ ODRX_DECLARE_MEMBERS()

◆ viewDir()

◆ viewportId()