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Hoops Visualize HPS 3D Rendering Engine
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HPS::ZoomOperator Class Reference

The ZoomOperator class defines an operator which allows the user to zoom the camera. More...

#include <sprk_ops.h>

Inheritance diagram for HPS::ZoomOperator:
Collaboration diagram for HPS::ZoomOperator:

Public Types

enum  Priority {
  Priority::Low,
  Priority::Default,
  Priority::High
}
 

Public Member Functions

 ZoomOperator (MouseButtons in_mouse_trigger=MouseButtons::ButtonLeft(), ModifierKeys in_modifier_trigger=ModifierKeys())
 
virtual HPS::UTF8 GetName () const
 Returns the name of the operator. More...
 
virtual bool OnMouseDown (MouseState const &in_state)
 This function is called whenever HPS receives a MouseEvent that signals a mouse button was pressed. More...
 
virtual bool OnMouseUp (MouseState const &in_state)
 This function is called whenever HPS receives a MouseEvent that signals a mouse button was released. More...
 
virtual bool OnMouseMove (MouseState const &in_state)
 This function is called whenever HPS receives a MouseEvent that signals the mouse moved This function zooms the camera as needed. More...
 
virtual bool OnTouchDown (TouchState const &in_state)
 This function is called whenever HPS receives a TouchEvent that signals the device was touched. More...
 
virtual bool OnTouchMove (TouchState const &in_state)
 This function is called whenever HPS receives a TouchEvent that signals a point of contact has moved. More...
 
HPS::Type ObjectType () const
 
virtual void Assign (Operator const &in_that)
 Assigns the parameter in_that to this operator, resulting in a clone. More...
 
virtual bool Equals (Operator const &in_that) const
 Tests this operator for equality against the parameter in_that. More...
 
virtual bool operator!= (Operator const &in_that) const
 Tests this operator for non-equality against the parameter in_that. More...
 
virtual bool operator== (Operator const &in_that) const
 Tests this operator for equality against the parameter in_that. More...
 
void DetachView ()
 Detaches the Operator from the View it was previously attached to. More...
 
View GetAttachedView () const
 Returns the View the Operator is currently attached to. More...
 
virtual bool OnMouseWheel (MouseState const &in_state)
 This function is called whenever HPS receives a MouseEvent that signals the mouse wheel was scrolled. More...
 
virtual bool OnMouseEnter (MouseState const &in_state)
 This function is called whenever HPS receives a MouseEvent that signals the mouse entered the window. More...
 
virtual bool OnMouseLeave (MouseState const &in_state)
 This function is called whenever HPS receives a MouseEvent that signals the mouse left the window. More...
 
virtual bool OnTouchUp (TouchState const &in_state)
 This function is called whenever HPS receives a TouchEvent that signals a point of contact has been released. More...
 
virtual bool OnKeyDown (KeyboardState const &in_state)
 This function is called whenever HPS receives a KeyboardEvent that signals a key was pressed. More...
 
virtual bool OnKeyUp (KeyboardState const &in_state)
 This function is called whenever HPS receives a KeyboardEvent that signals a key was released. More...
 
virtual bool OnTextInput (HPS::UTF8 const &in_text)
 This function is called whenever HPS receives a TextInputEvent that signals text was entered. More...
 
virtual bool OnTimerTick (HPS::TimerTickEvent const &in_event)
 This function is called whenever HPS receives a TimerTickEvent. More...
 
virtual void OnViewAttached ()
 This function is called whenever a view is attached to this operator. More...
 
virtual void OnViewDetached ()
 This function is called whenever a view is detached from this operator. More...
 
virtual void OnModelAttached ()
 This function is called whenever a model is attached to the view that is attached to this operator. More...
 
virtual void OnModelDetached ()
 This function is called whenever a model is detached from the view that is attached to this operator. More...
 
void SetMouseTrigger (MouseButtons in_buttons)
 Sets the mouse trigger for this operator. More...
 
MouseButtons GetMouseTrigger () const
 Gets the mouse trigger associated with this operator. More...
 
void SetModifierTrigger (ModifierKeys in_modifiers)
 Sets the modifier trigger associated with this operator. More...
 
ModifierKeys GetModifierTrigger () const
 Gets the modifier trigger associated with this operator. More...
 
virtual bool IsMouseTriggered (MouseState const &in_state)
 Returns true if the MouseButtons and ModifierKeys are active. More...
 
virtual HPS::Type Type () const
 This function returns the true type of the underlying object. More...
 
virtual bool Empty () const
 Indicates whether this object has any values set on it. More...
 
virtual void Reset ()
 Resets this object to its initial, uninitialized state. More...
 
bool HasType (HPS::Type in_mask) const
 This function indicates whether this Object has the given Type mask. More...
 
intptr_t GetClassID () const
 Returns a unique identifier that is shared by all objects of the same class. More...
 
intptr_t GetInstanceID () const
 Returns an identifier that can be used to identify which instance of a class an object is. More...
 

Static Public Member Functions

template<typename T >
static intptr_t ClassID ()
 Unique identifier for this class. More...
 

Static Public Attributes

static const HPS::Type staticType = HPS::Type::Operator
 

Protected Attributes

HPS::MouseButtons mouse_trigger
 
HPS::ModifierKeys modifier_trigger
 

Private Member Functions

void ZoomStart ()
 
void UpdateZoom (float zoom_factor)
 
void UpdateZoomLimit ()
 

Private Attributes

bool operator_active
 
HPS::TouchID tracked_touch_ID
 
HPS::WindowPoint start_point
 
float zoom_limit
 
float focal_length
 
HPS::WindowPoint last_zoom
 
HPS::Vector last_relative
 
float zoom_start_field_width
 
float zoom_start_field_height
 
HPS::Vector zoom_start_camera_look
 
HPS::Point zoom_start_camera_target
 

Detailed Description

The ZoomOperator class defines an operator which allows the user to zoom the camera.

This Operator works for both mouse- and touch-driven devices. Mouse-Driven Devices: Left button pressed and move: Zoom camera Touch-Driven Devices: Pinch: Zoom camera

Member Enumeration Documentation

◆ Priority

enum HPS::Operator::Priority
stronginherited
Enumerator
Low 
Default 
High 

Constructor & Destructor Documentation

◆ ZoomOperator()

HPS::ZoomOperator::ZoomOperator ( MouseButtons  in_mouse_trigger = MouseButtons::ButtonLeft(),
ModifierKeys  in_modifier_trigger = ModifierKeys() 
)

Member Function Documentation

◆ Assign()

virtual void HPS::Operator::Assign ( Operator const &  in_that)
virtualinherited

Assigns the parameter in_that to this operator, resulting in a clone.

◆ ClassID()

template<typename T >
static intptr_t HPS::Object::ClassID ( )
inlinestaticinherited

Unique identifier for this class.

Note: this method uses construction of static objects. If used in a constructor, it should be used in the body not the initializer list.

◆ DetachView()

void HPS::Operator::DetachView ( )
inherited

Detaches the Operator from the View it was previously attached to.

◆ Empty()

virtual bool HPS::Object::Empty ( ) const
inlinevirtualinherited

Indicates whether this object has any values set on it.

Returns
true if no values are set on this object, false otherwise.

Reimplemented in HPS::STL::ImportResultsKit, HPS::STL::ImportOptionsKit, HPS::OBJ::ImportResultsKit, HPS::OBJ::ImportOptionsKit, HPS::Hardcopy::File::ExportOptionsKit, HPS::Stream::ExportOptionsKit, HPS::Stream::ImportResultsKit, HPS::Stream::ImportOptionsKit, HPS::PointCloud::ImportOptionsKit, HPS::PointCloud::ImportResultsKit, HPS::UpdateOptionsKit, HPS::HighlightSearchOptionsKit, HPS::HighlightOptionsKit, HPS::SelectionOptionsKit, HPS::SearchOptionsKit, HPS::CutGeometryGatheringOptionsKit, HPS::ShapeKit, HPS::ShaderKit, HPS::Shader::ImportOptionsKit, HPS::ImageKit, HPS::Image::ImportOptionsKit, HPS::Image::ExportOptionsKit, HPS::TextureOptionsKit, HPS::LinePatternKit, HPS::LinePatternParallelKit, HPS::LinePatternOptionsKit, HPS::GlyphKit, HPS::ApplicationWindowOptionsKit, HPS::OffScreenWindowOptionsKit, HPS::StandAloneWindowOptionsKit, HPS::GridKit, HPS::PolygonKit, HPS::MeshKit, HPS::ShellKit, HPS::ShellRelationResultsKit, HPS::ShellRelationOptionsKit, HPS::ShellOptimizationOptionsKit, HPS::TextKit, HPS::EllipticalArcKit, HPS::EllipseKit, HPS::TrimKit, HPS::NURBSSurfaceKit, HPS::NURBSCurveKit, HPS::SpotlightKit, HPS::InfiniteLineKit, HPS::CuttingSectionKit, HPS::CircularWedgeKit, HPS::CircularArcKit, HPS::CircleKit, HPS::SphereKit, HPS::CylinderKit, HPS::DistantLightKit, HPS::MarkerKit, HPS::LineKit, HPS::AttributeLockKit, HPS::FontInfoState, HPS::WindowInfoKit, HPS::DebuggingKit, HPS::SubwindowKit, HPS::ContourLineKit, HPS::VisualEffectsKit, HPS::TransformMaskKit, HPS::PostProcessEffectsKit, HPS::DrawingAttributeKit, HPS::HiddenLineAttributeKit, HPS::PerformanceKit, HPS::NURBSSurfaceAttributeKit, HPS::MaterialKit, HPS::MaterialMappingKit, HPS::MatrixKit, HPS::CurveAttributeKit, HPS::EdgeAttributeKit, HPS::LineAttributeKit, HPS::TextAttributeKit, HPS::CuttingSectionAttributeKit, HPS::CylinderAttributeKit, HPS::LightingAttributeKit, HPS::SphereAttributeKit, HPS::MarkerAttributeKit, HPS::CullingKit, HPS::ColorInterpolationKit, HPS::TransparencyKit, HPS::SelectabilityKit, HPS::CameraKit, HPS::VisibilityKit, HPS::BoundingKit, HPS::SegmentOptimizationOptionsKit, HPS::Publish::ExportOptionsKit, HPS::Publish::TextFieldKit, HPS::Publish::SignatureFieldKit, HPS::Publish::DropDownListKit, HPS::Exchange::TessellationOptionsKit, HPS::Publish::ListBoxKit, HPS::Exchange::ExportSTEPOptionsKit, HPS::Exchange::ExportParasolidOptionsKit, HPS::Publish::RadioButtonKit, HPS::Exchange::ExportIGESOptionsKit, HPS::Exchange::ExportXMLOptionsKit, HPS::Publish::CheckBoxKit, HPS::Exchange::ExportU3DOptionsKit, HPS::Exchange::ExportSTLOptionsKit, HPS::Publish::ButtonKit, HPS::Exchange::ExportPRCOptionsKit, HPS::Publish::LinkKit, HPS::Exchange::ExportJTOptionsKit, HPS::Publish::SlideTableKit, HPS::Exchange::ExportACISOptionsKit, HPS::Publish::TableKit, HPS::Exchange::Export3MFOptionsKit, HPS::Publish::ImageKit, HPS::Publish::TextKit, HPS::Exchange::ModelFileImportOptionsKit, HPS::Publish::ViewKit, HPS::Exchange::TranslationOptionsKit, HPS::Publish::ArtworkKit, HPS::Publish::AnnotationKit, HPS::ComponentPath, HPS::Exchange::ImportOptionsKit, HPS::Parasolid::ExportOptionsKit, HPS::Exchange::NURBSConversionOptionsKit, HPS::Parasolid::LineTessellationKit, HPS::Exchange::Configuration, HPS::Publish::PageKit, HPS::Parasolid::FacetTessellationKit, HPS::Publish::DocumentKit, HPS::Parasolid::ImportOptionsKit, HPS::DWG::ImportOptionsKit, HPS::OOC::ImportOptionsKit, HPS::Sketchup::ImportOptionsKit, and HPS::Sketchup::ImportResultsKit.

◆ Equals()

virtual bool HPS::Operator::Equals ( Operator const &  in_that) const
virtualinherited

Tests this operator for equality against the parameter in_that.

Same as Operator::operator==

◆ GetAttachedView()

View HPS::Operator::GetAttachedView ( ) const
inherited

Returns the View the Operator is currently attached to.

◆ GetClassID()

intptr_t HPS::Object::GetClassID ( ) const
inherited

Returns a unique identifier that is shared by all objects of the same class.

Returns
A unique value shared by all objects of the same class.

◆ GetInstanceID()

intptr_t HPS::Object::GetInstanceID ( ) const
inherited

Returns an identifier that can be used to identify which instance of a class an object is.

Different keys and controls will return the same value if they are backed by the same database resource.

Returns
A value unique to an instance of an object and all objects that are backed by the same database resource.

◆ GetModifierTrigger()

ModifierKeys HPS::Operator::GetModifierTrigger ( ) const
inlineinherited

Gets the modifier trigger associated with this operator.

◆ GetMouseTrigger()

MouseButtons HPS::Operator::GetMouseTrigger ( ) const
inlineinherited

Gets the mouse trigger associated with this operator.

◆ GetName()

virtual HPS::UTF8 HPS::ZoomOperator::GetName ( ) const
inlinevirtual

Returns the name of the operator.

Reimplemented from HPS::Operator.

◆ HasType()

bool HPS::Object::HasType ( HPS::Type  in_mask) const
inherited

This function indicates whether this Object has the given Type mask.

Parameters
in_maskThe Type mask to check against this Object.
Returns
true if this Object has the given Type mask, false otherwise.

◆ IsMouseTriggered()

virtual bool HPS::Operator::IsMouseTriggered ( MouseState const &  in_state)
inlinevirtualinherited

Returns true if the MouseButtons and ModifierKeys are active.

Reimplemented in HPS::SimpleWalkOperator.

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◆ ObjectType()

HPS::Type HPS::Operator::ObjectType ( ) const
inlinevirtualinherited

Reimplemented from HPS::Object.

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◆ OnKeyDown()

virtual bool HPS::Operator::OnKeyDown ( KeyboardState const &  in_state)
inlinevirtualinherited

This function is called whenever HPS receives a KeyboardEvent that signals a key was pressed.

Parameters
in_stateA KeyboardState object describing the current keyboard state.
Returns
true if the input event was handled, false otherwise.

Reimplemented in HPS::Exchange::MeasurementOperator, HPS::AnnotationOperator, HPS::MarkupOperator, HPS::SimpleWalkOperator, and HPS::FlyOperator.

◆ OnKeyUp()

virtual bool HPS::Operator::OnKeyUp ( KeyboardState const &  in_state)
inlinevirtualinherited

This function is called whenever HPS receives a KeyboardEvent that signals a key was released.

Parameters
in_stateA KeyboardState object describing the current keyboard state.
Returns
true if the input event was handled, false otherwise.

Reimplemented in HPS::SimpleWalkOperator, and HPS::FlyOperator.

◆ OnModelAttached()

virtual void HPS::Operator::OnModelAttached ( )
inlinevirtualinherited

This function is called whenever a model is attached to the view that is attached to this operator.

If no view is attached to this operator, this function will not be called.

Reimplemented in HPS::NavigationCubeOperator, HPS::CuttingSectionOperator, HPS::SimpleWalkOperator, HPS::WalkOperator, HPS::FlyOperator, and HPS::MouseWheelOperator.

◆ OnModelDetached()

virtual void HPS::Operator::OnModelDetached ( )
inlinevirtualinherited

This function is called whenever a model is detached from the view that is attached to this operator.

If no view is attached to this operator, this function will not be called.

◆ OnMouseDown()

virtual bool HPS::ZoomOperator::OnMouseDown ( MouseState const &  in_state)
virtual

This function is called whenever HPS receives a MouseEvent that signals a mouse button was pressed.

This function starts the operator and computes the position of the starting point.

Parameters
in_stateA MouseState object describing the current mouse state.
Returns
true if the input event was handled, false otherwise.

Reimplemented from HPS::Operator.

◆ OnMouseEnter()

virtual bool HPS::Operator::OnMouseEnter ( MouseState const &  in_state)
inlinevirtualinherited

This function is called whenever HPS receives a MouseEvent that signals the mouse entered the window.

Parameters
in_stateA MouseState object describing the current mouse state.
Returns
true if the input event was handled, false otherwise.

Reimplemented in HPS::SimpleWalkOperator.

◆ OnMouseLeave()

virtual bool HPS::Operator::OnMouseLeave ( MouseState const &  in_state)
inlinevirtualinherited

This function is called whenever HPS receives a MouseEvent that signals the mouse left the window.

Parameters
in_stateA MouseState object describing the current mouse state.
Returns
true if the input event was handled, false otherwise.

Reimplemented in HPS::SimpleWalkOperator.

◆ OnMouseMove()

virtual bool HPS::ZoomOperator::OnMouseMove ( MouseState const &  in_state)
virtual

This function is called whenever HPS receives a MouseEvent that signals the mouse moved This function zooms the camera as needed.

Parameters
in_stateA MouseState object describing the current mouse state.
Returns
true if the input event was handled, false otherwise.

Reimplemented from HPS::Operator.

◆ OnMouseUp()

virtual bool HPS::ZoomOperator::OnMouseUp ( MouseState const &  in_state)
virtual

This function is called whenever HPS receives a MouseEvent that signals a mouse button was released.

This function stops the operator.

Parameters
in_stateA MouseState object describing the current mouse state.
Returns
true if the input event was handled, false otherwise.

Reimplemented from HPS::Operator.

◆ OnMouseWheel()

virtual bool HPS::Operator::OnMouseWheel ( MouseState const &  in_state)
inlinevirtualinherited

This function is called whenever HPS receives a MouseEvent that signals the mouse wheel was scrolled.

Parameters
in_stateA MouseState object describing the current mouse state.
Returns
true if the input event was handled, false otherwise.

Reimplemented in HPS::SimpleWalkOperator, HPS::FlyOperator, HPS::TurntableOperator, and HPS::MouseWheelOperator.

◆ OnTextInput()

virtual bool HPS::Operator::OnTextInput ( HPS::UTF8 const &  in_text)
inlinevirtualinherited

This function is called whenever HPS receives a TextInputEvent that signals text was entered.

Parameters
in_textThe text entered.
Returns
true if the input event was handled, false otherwise.

Reimplemented in HPS::AnnotationOperator, and HPS::MarkupOperator.

◆ OnTimerTick()

virtual bool HPS::Operator::OnTimerTick ( HPS::TimerTickEvent const &  in_event)
inlinevirtualinherited

This function is called whenever HPS receives a TimerTickEvent.

Parameters
in_eventA TimerTickEvent object describing the current event state.
Returns
true if the input event was handled, false otherwise.

Reimplemented in HPS::CuttingSectionOperator, HPS::SimpleWalkOperator, HPS::WalkOperator, and HPS::FlyOperator.

◆ OnTouchDown()

virtual bool HPS::ZoomOperator::OnTouchDown ( TouchState const &  in_state)
virtual

This function is called whenever HPS receives a TouchEvent that signals the device was touched.

This function starts the operator and computes the position of the starting point.

Parameters
in_stateA TouchState object describing the current touch state.
Returns
true if the input event was handled, false otherwise.

Reimplemented from HPS::Operator.

◆ OnTouchMove()

virtual bool HPS::ZoomOperator::OnTouchMove ( TouchState const &  in_state)
virtual

This function is called whenever HPS receives a TouchEvent that signals a point of contact has moved.

This function zooms the camera as needed.

Parameters
in_stateA TouchState object describing the current touch state.
Returns
true if the input event was handled, false otherwise.

Reimplemented from HPS::Operator.

◆ OnTouchUp()

virtual bool HPS::Operator::OnTouchUp ( TouchState const &  in_state)
inlinevirtualinherited

◆ OnViewAttached()

◆ OnViewDetached()

virtual void HPS::Operator::OnViewDetached ( )
inlinevirtualinherited

◆ operator!=()

virtual bool HPS::Operator::operator!= ( Operator const &  in_that) const
virtualinherited

Tests this operator for non-equality against the parameter in_that.

◆ operator==()

virtual bool HPS::Operator::operator== ( Operator const &  in_that) const
virtualinherited

Tests this operator for equality against the parameter in_that.

Same as Operator::Equals.

◆ Reset()

◆ SetModifierTrigger()

void HPS::Operator::SetModifierTrigger ( ModifierKeys  in_modifiers)
inlineinherited

Sets the modifier trigger associated with this operator.

Parameters
in_modifiersThe modifier keys that are used to trigger this operator.

◆ SetMouseTrigger()

void HPS::Operator::SetMouseTrigger ( MouseButtons  in_buttons)
inlineinherited

Sets the mouse trigger for this operator.

◆ Type()

◆ UpdateZoom()

void HPS::ZoomOperator::UpdateZoom ( float  zoom_factor)
private

◆ UpdateZoomLimit()

void HPS::ZoomOperator::UpdateZoomLimit ( )
private

◆ ZoomStart()

void HPS::ZoomOperator::ZoomStart ( )
private

Member Data Documentation

◆ focal_length

float HPS::ZoomOperator::focal_length
private

◆ last_relative

HPS::Vector HPS::ZoomOperator::last_relative
private

◆ last_zoom

HPS::WindowPoint HPS::ZoomOperator::last_zoom
private

◆ modifier_trigger

HPS::ModifierKeys HPS::Operator::modifier_trigger
protectedinherited

◆ mouse_trigger

HPS::MouseButtons HPS::Operator::mouse_trigger
protectedinherited

◆ operator_active

bool HPS::ZoomOperator::operator_active
private

◆ start_point

HPS::WindowPoint HPS::ZoomOperator::start_point
private

◆ staticType

const HPS::Type HPS::Operator::staticType = HPS::Type::Operator
staticinherited

◆ tracked_touch_ID

HPS::TouchID HPS::ZoomOperator::tracked_touch_ID
private

◆ zoom_limit

float HPS::ZoomOperator::zoom_limit
private

◆ zoom_start_camera_look

HPS::Vector HPS::ZoomOperator::zoom_start_camera_look
private

◆ zoom_start_camera_target

HPS::Point HPS::ZoomOperator::zoom_start_camera_target
private

◆ zoom_start_field_height

float HPS::ZoomOperator::zoom_start_field_height
private

◆ zoom_start_field_width

float HPS::ZoomOperator::zoom_start_field_width
private

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