Class for a 3D viewport widget powered by OGRE. More...

#include <ViewportWidget.h>

Inheritance diagram for Frapper::ViewportWidget:

Collaboration diagram for Frapper::ViewportWidget:

Public Slots
void	applyViewingParameters (ViewingParameters *viewingParameters)
	Applies the given viewing parameters to the viewport's viewing parameters.

void	setImage (unsigned int stageIndex, Ogre::TexturePtr image)
	Sets the image that should be displayed in the viewport.

void	homeView ()
	Resets the viewport's view settings.

void	setWireframe (bool wireframe)
	Activates or deactivates wireframe view in the viewport.

void	setBackfaceCulling (bool backfaceCulling)
	Activates or deactivates the omission of polygons facing away from the camera.

void	toggleOrigin ()
	Toggles the display of the point of origin in the viewport.

void	toggleCenterPoint ()
	Toggles the display of the center point in the viewport.

void	toggleOrientationIndicator ()
	Toggles the display of the orientation indicator in the viewport.

void	toggleGrid ()
	Toggles the display of the coordinate grid in the viewport.

void	screenCapture ()
	Write the contents of the current render window to image file.

Signals
void	objectSelected (const QString &objectName, bool toggle)
	Signal that is emitted when an object in the viewport has been clicked.

void	viewChanged (ViewingParameters *viewingParameters)
	Signal that is emitted when the viewing parameters have changed.

void	frameSelectedObjectsRequested (ViewingParameters *viewingParameters)
	Signal that is emitted when the selected objects in the viewport should be framed by the viewport's camera.

void	renderingTriggered ()
	Rendering process has been initiated.

Public Member Functions
	ViewportWidget (QWidget *parent=0, unsigned int stageIndex=1, bool fullscreen=false, bool stereo=false, int width=1024, int height=768)
	Constructor of the ViewportWidget class.

virtual	~ViewportWidget ()
	Destructor of the ViewportWidget class.

virtual QPaintEngine *	paintEngine () const
	Returns a pointer to the paint engine used for drawing on the device.

unsigned int	getStageIndex ()
	Returns the index of the stage to display in the viewport.

void	setStageIndex (unsigned int stageIndex)
	Sets the index of the stage to display in the viewport.

void	setViewMode (bool viewMode)
	Activates or deactivates the view mode in the viewport widget.

void	frameSelectedObjects ()
	Centers the viewport's view on currently selected objects.

void	setFog (bool enabled, float density)
	Sets the fog parameters of the viewport.

QColor	getFogColor ()
	Returns the fog color of the scene.

void	setFogColor (const QColor &color)
	Sets the fog color of the scene.

QColor	getBackgroundColor ()
	Returns the background color of the scene.

void	setBackgroundColor (const QColor &color)
	Sets the background color of the scene.

void	setFullscreen (bool fullscreen, int width, int height)
	Sets fullscreen mode for the viewport widget.

void	getStereoParameters (float &rttWidth, float &rttHeight, float &eyeDist, float &fOffsetMultiplier, float &nearClip, float &farClip, float &fov, float &focalLength)
	Fills the given variables with stereo parameter values.

void	setStereoParameters (const unsigned int rttWidth, const unsigned int rttHeight, const float eyeDist, const float fOffsetMultiplier, const float nearClip, const float farClip, const float fov, const float focalLength)
	Sets the stereo parameters to the given values.

void	setStereo (bool enable)
	Toggles the stereo mode for the viewport widget.

void	setOverlayOnly (bool enable)
	Sets whether only overlays (no geometry) should be displayed in viewport.

float	getFps ()
	Returns the current number of frames per second rendered in the viewport.

int	getTriangleCount ()
	Returns the number of triangles last rendered in the viewport.

ViewingParameters *	getViewingParameters ()
	Returns the viewing parameter's of the currently active camera.

void	updateView ()
	Calculates the transformation of the viewport's camera according to the current viewing angles, the viewing radius, and the center of view.

Ogre::RenderWindow *	getRenderWindow ()
	Get the created render window.

Protected Member Functions
virtual void	resizeEvent (QResizeEvent *event)
	Handles resize events for the widget.

virtual void	paintEvent (QPaintEvent *event)
	Handles paint events for the widget.

virtual void	mousePressEvent (QMouseEvent *event)
	Handles mouse press events for the widget.

virtual void	mouseMoveEvent (QMouseEvent *event)
	Handles mouse move events for the widget.

virtual void	mouseReleaseEvent (QMouseEvent *event)
	Handles mouse release events for the widget.

virtual void	wheelEvent (QWheelEvent *event)
	Handles mouse wheel events for the widget.

Protected Attributes
unsigned int	m_stageIndex
	The index of the stage to display in the viewport.

bool	m_showOverlays
	Show overlays.

bool	m_fullscreen
	Flag that states whether the widget is used in fullscreen mode.

bool	m_stereo
	Flag that states whether stereo viewing is activated.

float	m_stereoEyeDist
	Stereo view parameters.

float	m_stereoFOffsetMultiplier

float	m_stereoNearClip

float	m_stereoFarClip

float	m_stereoFov

float	m_stereoFocalLength

unsigned int	m_stereoRttWidth

unsigned int	m_stereoRttHeight

int	m_width
	The width of the viewport when in fullscreen mode.

int	m_height
	The height of the viewport when in fullscreen mode.

Ogre::RenderWindow *	m_renderWindow
	The OGRE render window to use in the viewport widget.

Ogre::SceneManager *	m_sceneManager
	The main OGRE scene manager.

Ogre::SceneNode *	m_cameraSceneNode
	The main viewport's viewing camera scene node.

Ogre::MaterialPtr	m_imageMaterial
	Material for the viewport's image overlay that is used to display image results from nodes.

Ogre::Camera *	m_camera
	The viewport's viewing cameras.

Ogre::Camera *	m_camera0

Ogre::Camera *	m_camera1

Ogre::Camera *	m_camera2

Ogre::Camera *	m_camera3

Ogre::Camera *	m_camera4

QString	m_cameraName
	The current camera name.

Ogre::Light *	m_headLight
	The viewing camera's light.

Ogre::CompositorInstance *	m_stereoCompositor
	The stereo compositor.

Ogre::RenderTarget *	m_stereoRenderTarget
	The stereo OGRE texture render target.

Ogre::Viewport *	m_viewport
	The OGRE viewports.

Ogre::Viewport *	m_stereoViewport0

Ogre::Viewport *	m_stereoViewport1

Ogre::Viewport *	m_stereoViewport2

Ogre::Viewport *	m_stereoViewport3

Ogre::Viewport *	m_stereoViewport4

Ogre::ColourValue	m_backgroundColor
	The background color of the viewport.

Ogre::ColourValue	m_fogColor
	The fog color of the scene.

Ogre::SceneNode *	m_orientationIndicatorCameraSceneNode
	The orientation indicator viewport's camera scene node.

Ogre::Camera *	m_orientationIndicatorCamera
	The orientation indicator viewport's camera.

Ogre::Viewport *	m_orientationIndicatorViewport
	The orientation indicator viewport to display axes that show the main camera's orientation.

Ogre::Overlay *	m_labelOverlay
	The overlay for all text information panel overlay elements.

Ogre::Overlay *	m_imageOverlay
	The overlay for the image panel overlay element.

Ogre::PanelOverlayElement *	m_leftTopHudPanel
	The panel overlay element used for displaying text information in the top left corner of the viewport.

Ogre::TextAreaOverlayElement *	m_leftTopHudTextArea
	The text area overlay element used for displaying text information in the top left corner of the viewport.

Ogre::PanelOverlayElement *	m_imagePanel
	The panel overlay element used for displaying an image.

Ogre::SceneNode *	m_viewportObjectsSceneNode
	The node that all exclusive viewport object scene nodes will be attached to.

Ogre::SceneNode *	m_originSceneNode
	The node that the coordinate system's origin axes will be attached to.

Ogre::SceneNode *	m_centerPointSceneNode
	The node that the center axes will be attached to.

Ogre::SceneNode *	m_orientationIndicatorSceneNode
	The node that the orientation indicator will be attached to.

Ogre::SceneNode *	m_gridSceneNode
	The node that the coordinate grid will be attached to.

bool	m_viewMode
	Flag that states whether the viewing mode is activated.

QPoint	m_lastPosition
	The last position of the mouse pointer over the viewport.

ViewingParameters *	m_viewingParameters
	The viewing parameters for the viewport's active camera.

bool	m_wireframe
	Flag that states whether wireframe view is activated.

bool	m_backfaceCulling
	Flag that states whether backface culling is activated.

bool	m_showOrigin
	Flag that states whether the origin should be visible in the viewport.

bool	m_showCenterPoint
	Flag that states whether the center should be visible in the viewport.

bool	m_showOrientationIndicator
	Flag that states whether the orientation indicator is shown in the widget.

bool	m_showGrid
	Flag that states whether the grid should be visible in the viewport.

bool	m_overlayOnly
	Flag that states whether the geometry should be visible.

float	m_dbgColor
	The background color.

Private Member Functions
Ogre::String	createUniqueName (const QString &objectName)
	Creates a unique name from the given object name by adding the viewport. widget's index.

bool	createdefaultShaders ()
	Creates the default cg Shaders used for the default materials.

Ogre::HighLevelGpuProgramPtr	compileShader (const Ogre::String &code, Ogre::GpuProgramType type, const Ogre::String &nameSuffix)
	Compiles the given CG Shader Code and returns a Pointer to the loaded Ogre resource.

bool	createRenderWindow ()
	Creates the OGRE render window.

void	initializeResources ()
	Initializes the resources that will be available to OGRE.

void	createViewportObjects ()
	Creates basic viewport objects like the viewing camera, the head light, coordinate axes and the grid.

void	createOverlays ()
	Creates overlay layers for visual components that will be rendered on top of the main scene layer.

void	render ()
	Redraws the OGRE scene into the viewport widget.

Ogre::MaterialPtr	createColorMaterial (const Ogre::String &group, const Ogre::String &name, const Ogre::ColourValue &color, bool wireframe=false)
	Creates a self-illuminating material with the given name and color under the given group name.

void	createAxes (const QString &name, Ogre::SceneNode *parentNode, Ogre::uint32 visibilityFlags=VF_MAIN_VIEWPORT)
	Creates three manual objects for X, Y and Z axes with the given name and attaches them to the given parent scene node. The axes will each have a length of 1.

void	createGrid (Ogre::SceneNode *parentNode)
	Creates a coordinate grid and attaches it to the given parent scene node.

Ogre::SceneNode *	getClickedSceneNode (const QPointF &mousePosition)
	Returns the scene node that is located under the given mouse position in the viewport.

Static Private Attributes
static unsigned int	s_viewportIndex = 0
	The index of the next viewport widget to create.

static Ogre::HighLevelGpuProgramPtr	s_defaultVertexShader
	A simple Default vertex shader in CG.

static Ogre::HighLevelGpuProgramPtr	s_defaultFragmentShader
	A simple Default fragment shader in CG.

static Ogre::HighLevelGpuProgramPtr	s_defaultUVVertexShader
	A simple Default vertex shader with UV-Coordinates in CG.

static Ogre::HighLevelGpuProgramPtr	s_defaultTU0FragmentShader
	A simple Default fragment shader with one textue in CG.

static Ogre::MaterialPtr	s_redMaterial
	Material for self-illuminating red objects (like coordinate X axes).

static Ogre::MaterialPtr	s_greenMaterial
	Material for self-illuminating green objects (like coordinate Y axes).

static Ogre::MaterialPtr	s_blueMaterial
	Material for self-illuminating blue objects (like coordinate Z axes).

static Ogre::MaterialPtr	s_grayMaterial
	Material for self-illuminating gray objects.

static Ogre::MaterialPtr	s_blackMaterial
	Material for self-illuminating black objects.

static Ogre::MaterialPtr	s_defaultMaterial
	Default material to use in shaded mode.

static Ogre::MaterialPtr	s_nullMaterial
	Material for Null objects.

Detailed Description

Class for a 3D viewport widget powered by OGRE.

Inheritance Diagram

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Constructor & Destructor Documentation

Frapper::ViewportWidget::ViewportWidget	(	QWidget *	parent = `0`,
		unsigned int	stageIndex = `1`,
		bool	fullscreen = `false`,
		bool	stereo = `false`,
		int	width = `1024`,
		int	height = `768`
	)

Constructor of the ViewportWidget class.

Constructors and Destructors.

Parameters

parent	The parent widget the created instance will be a child of.
stageIndex	The index of the stage to display in the viewport.
fullscreen	Flag that controls whether the widget is used in fullscreen mode.
stereo	Flag that controls whether the widget is used in stereo mode.
width	The width of the viewport when in fullscreen mode.
height	The height of the viewport when in fullscreen mode.

Constructor of the ViewportWidget class.

Parameters

parent	The parent widget the created instance will be a child of.
stageIndex	The index of the stage to display in the viewport.
fullscreen	Flag that controls whether the widget is used in fullscreen mode.
width	The width of the viewport when in fullscreen mode.
height	The height of the viewport when in fullscreen mode.

Frapper::ViewportWidget::~ViewportWidget ( )

virtual

Destructor of the ViewportWidget class.

Defined virtual to guarantee that the destructor of a derived class will be called if the instance of the derived class is saved in a variable of its parent class type.

Member Function Documentation

QPaintEngine * Frapper::ViewportWidget::paintEngine ( ) const

virtual

Returns a pointer to the paint engine used for drawing on the device.

Public Functions.

Returning 0 by this function fixes the widget flickering bug in Qt 4.5.

Returns: 0.

Returns a pointer to the paint engine used for drawing on the device.

Returning 0 by this function fixes the widget flickering bug in Qt 4.5.

Returns: 0.

unsigned int Frapper::ViewportWidget::getStageIndex ( )

Returns the index of the stage to display in the viewport.

Returns: The index of the stage to display in the viewport.

void Frapper::ViewportWidget::setStageIndex ( unsigned int stageIndex )

Sets the index of the stage to display in the viewport.

Parameters

stageIndex The index of the new stage to display in the viewport.

void Frapper::ViewportWidget::setViewMode ( bool viewMode )

Activates or deactivates the view mode in the viewport widget.

Parameters

viewMode The new value for the view mode flag.

void Frapper::ViewportWidget::frameSelectedObjects ( )

Centers the viewport's view on currently selected objects.

void Frapper::ViewportWidget::setFog	(	bool	enabled,
		float	density
	)

Sets the fog parameters of the viewport.

Parameters

enabled	Sets whether fog is enabled or not.
density	Sets the density of the fog (exponential).

QColor Frapper::ViewportWidget::getFogColor ( )

Returns the fog color of the scene.

Returns: Fog color of the scene.

void Frapper::ViewportWidget::setFogColor ( const QColor & color )

Sets the fog color of the scene.

Parameters

color Fog color of the scene.

QColor Frapper::ViewportWidget::getBackgroundColor ( )

Returns the background color of the scene.

Returns: Fog background of the scene.

void Frapper::ViewportWidget::setBackgroundColor ( const QColor & color )

Sets the background color of the scene.

Parameters

color Background color of the scene.

void Frapper::ViewportWidget::setFullscreen	(	bool	fullscreen,
		int	width,
		int	height
	)

Sets fullscreen mode for the viewport widget.

Parameters

fullscreen	Flag to control whether to enable fullscreen mode.
width	The width of the viewport in fullscreen mode.
height	The height of the viewport in fullscreen mode.

void Frapper::ViewportWidget::getStereoParameters	(	float &	rttWidth,
		float &	rttHeight,
		float &	eyeDist,
		float &	fOffsetMultiplier,
		float &	nearClip,
		float &	farClip,
		float &	fov,
		float &	focalLength
	)

Fills the given variables with stereo parameter values.

Parameters

rttWidth	The width of the render texture.
rttHeight	The height of the render texture.
eyeDist	The viewer's eye distance.
fOffsetMultiplier	A multiplier to calculate the frustum offset from the camera position.
nearClip	The near clipping plane of the camera.
farClip	The far clippping plane of the camera.
fov	The camera's field of view setting.
focalLength	The camera's focal length setting.

void Frapper::ViewportWidget::setStereoParameters	(	const unsigned int	rttWidth,
		const unsigned int	rttHeight,
		const float	eyeDist,
		const float	fOffsetMultiplier,
		const float	nearClip,
		const float	farClip,
		const float	fov,
		const float	focalLength
	)

Sets the stereo parameters to the given values.

Parameters

rttWidth	The width of the render texture.
rttHeight	The height of the render texture.
eyeDist	The viewer's eye distance.
fOffsetMultiplier	A multiplier to calculate the frustum offset from the camera position.
nearClip	The near clipping plane of the camera.
farClip	The far clippping plane of the camera.
fov	The camera's field of view setting.
focalLength	The camera's focal length setting.

void Frapper::ViewportWidget::setStereo ( bool enable )

Toggles the stereo mode for the viewport widget.

Parameters

enable Flag to enable or disable the stereo mode for the viewport widget.

void Frapper::ViewportWidget::setOverlayOnly ( bool enable )

Sets whether only overlays (no geometry) should be displayed in viewport.

Parameters

enable If true no geometry will be displayed.

float Frapper::ViewportWidget::getFps ( )

Returns the current number of frames per second rendered in the viewport.

Returns: The current number of frames per second rendered in the viewport.

int Frapper::ViewportWidget::getTriangleCount ( )

Returns the number of triangles last rendered in the viewport.

Returns: The number of triangles last rendered in the viewport.

ViewingParameters * Frapper::ViewportWidget::getViewingParameters ( )

Returns the viewing parameter's of the currently active camera.

Returns: The viewing parameter's of the currently active camera.

void Frapper::ViewportWidget::updateView ( )

Calculates the transformation of the viewport's camera according to the current viewing angles, the viewing radius, and the center of view.

Ogre::RenderWindow * Frapper::ViewportWidget::getRenderWindow ( )

Get the created render window.

Public Slots.

void Frapper::ViewportWidget::applyViewingParameters ( ViewingParameters * viewingParameters )

slot

Applies the given viewing parameters to the viewport's viewing parameters.

Parameters

viewingParameters The viewing parameters to apply to the viewport.

void Frapper::ViewportWidget::setImage	(	unsigned int	stageIndex,
		Ogre::TexturePtr	image
	)

slot

Sets the image that should be displayed in the viewport.

Parameters

stageIndex	The index of the stage to which the image belongs.
image	The image that should be displayed in the viewport.

Only affects viewports that are set to display the content of the stage with the given index.

Parameters

stageIndex	The index of the stage to which the image belongs.
image	The image that should be displayed in the viewport.

void Frapper::ViewportWidget::homeView ( )

slot

Resets the viewport's view settings.

void Frapper::ViewportWidget::setWireframe ( bool wireframe )

slot

Activates or deactivates wireframe view in the viewport.

Parameters

wireframe Flag that controls wireframe view in the viewport.

void Frapper::ViewportWidget::setBackfaceCulling ( bool backfaceCulling )

slot

Activates or deactivates the omission of polygons facing away from the camera.

Parameters

backfaceCulling Flag that controls the culling of polygons facing away from the camera.

void Frapper::ViewportWidget::toggleOrigin ( )

slot

Toggles the display of the point of origin in the viewport.

void Frapper::ViewportWidget::toggleCenterPoint ( )

slot

Toggles the display of the center point in the viewport.

void Frapper::ViewportWidget::toggleOrientationIndicator ( )

slot

Toggles the display of the orientation indicator in the viewport.

void Frapper::ViewportWidget::toggleGrid ( )

slot

Toggles the display of the coordinate grid in the viewport.

void Frapper::ViewportWidget::screenCapture ( )

slot

Write the contents of the current render window to image file.

void Frapper::ViewportWidget::objectSelected	(	const QString &	objectName,
		bool	toggle
	)

signal

Signal that is emitted when an object in the viewport has been clicked.

Parameters

objectName	The name of the object that was selected, or an empty string if no object has been selected.
toggle	Flag that controls whether the object's selected state should be toggled.

void Frapper::ViewportWidget::viewChanged ( ViewingParameters * viewingParameters )

signal

Signal that is emitted when the viewing parameters have changed.

Parameters

viewingParameters The current viewing parameters.

void Frapper::ViewportWidget::frameSelectedObjectsRequested ( ViewingParameters * viewingParameters )

signal

Signal that is emitted when the selected objects in the viewport should be framed by the viewport's camera.

Requests an adjustment of the viewing parameters the viewport's camera so that the currently selected objects are centered in the view.

Parameters

viewingParameters The viewing parameters to modify.

void Frapper::ViewportWidget::renderingTriggered ( )

signal

Rendering process has been initiated.

void Frapper::ViewportWidget::resizeEvent ( QResizeEvent * event )

protectedvirtual

Handles resize events for the widget.

Protected Events.

Parameters

event The description of the resize event.

Handles resize events for the widget.

Parameters

event The description of the resize event.

void Frapper::ViewportWidget::paintEvent ( QPaintEvent * event )

protectedvirtual

Handles paint events for the widget.

Parameters

event The description of the paint event.

void Frapper::ViewportWidget::mousePressEvent ( QMouseEvent * event )

protectedvirtual

Handles mouse press events for the widget.

Parameters

event The description of the mouse event.

void Frapper::ViewportWidget::mouseMoveEvent ( QMouseEvent * event )

protectedvirtual

Handles mouse move events for the widget.

Parameters

event The description of the mouse event.

void Frapper::ViewportWidget::mouseReleaseEvent ( QMouseEvent * event )

protectedvirtual

Handles mouse release events for the widget.

Parameters

event The description of the mouse event.

void Frapper::ViewportWidget::wheelEvent ( QWheelEvent * event )

protectedvirtual

Handles mouse wheel events for the widget.

Parameters

event The description of the mouse wheel event.

Ogre::String Frapper::ViewportWidget::createUniqueName ( const QString & objectName )

private

Creates a unique name from the given object name by adding the viewport. widget's index.

Private Functions.

Creates a unique name from the given object name by adding the viewport widget's index.

bool Frapper::ViewportWidget::createdefaultShaders ( )

private

Creates the default cg Shaders used for the default materials.

Returns: Returns false, if the shaders are not supported on ths mashine

Ogre::HighLevelGpuProgramPtr Frapper::ViewportWidget::compileShader	(	const Ogre::String &	code,
		Ogre::GpuProgramType	type,
		const Ogre::String &	nameSuffix
	)

private

Compiles the given CG Shader Code and returns a Pointer to the loaded Ogre resource.

\param code The cg schader code.

Parameters

profileFlags	The shader profile flags.
type	The type of the shader.

Returns: The pointer to the loaded shader.

Parameters

code	The cg schader code.
profileFlags	The shader profile flags.
type	The type of the shader.

Returns: The pointer to the loaded shader.

bool Frapper::ViewportWidget::createRenderWindow ( )

private

Creates the OGRE render window.

Returns: True if creating the OGRE render window succeeded, otherwise False.

void Frapper::ViewportWidget::initializeResources ( )

private

Initializes the resources that will be available to OGRE.

void Frapper::ViewportWidget::createViewportObjects ( )

private

Creates basic viewport objects like the viewing camera, the head light, coordinate axes and the grid.

void Frapper::ViewportWidget::createOverlays ( )

private

Creates overlay layers for visual components that will be rendered on top of the main scene layer.

void Frapper::ViewportWidget::render ( )

private

Redraws the OGRE scene into the viewport widget.

Ogre::MaterialPtr Frapper::ViewportWidget::createColorMaterial	(	const Ogre::String &	group,
		const Ogre::String &	name,
		const Ogre::ColourValue &	color,
		bool	wireframe = `false`
	)

private

Creates a self-illuminating material with the given name and color under the given group name.

Parameters

group	The name of the resource group to attach the material to.
name	The unique name for the material.
color	The color for the material.
wireframe	Flag to control whether the material will display objects in wireframe mode.

Returns: The new color material.

void Frapper::ViewportWidget::createAxes	(	const QString &	name,
		Ogre::SceneNode *	parentNode,
		Ogre::uint32	visibilityFlags = `VF_MAIN_VIEWPORT`
	)

private

Creates three manual objects for X, Y and Z axes with the given name and attaches them to the given parent scene node. The axes will each have a length of 1.

Parameters

name	The prefix for the axes objects to create.
parentNode	The scene node to which to attach the axes objects.
visibilityFlags	The visibility flags to apply to the axes objects.

void Frapper::ViewportWidget::createGrid ( Ogre::SceneNode * parentNode )

private

Creates a coordinate grid and attaches it to the given parent scene node.

Parameters

parentNode The scene node to which to attach the grid object.

Ogre::SceneNode * Frapper::ViewportWidget::getClickedSceneNode ( const QPointF & mousePosition )

private

Returns the scene node that is located under the given mouse position in the viewport.

Parameters

mousePosition The position of the mouse pointer over the viewport widget.

Returns: The clicked scene node or 0 if no scene node was clicked.

Member Data Documentation

unsigned int Frapper::ViewportWidget::s_viewportIndex = 0

staticprivate

The index of the next viewport widget to create.

Private Static Data.

Ogre::HighLevelGpuProgramPtr Frapper::ViewportWidget::s_defaultVertexShader

staticprivate

A simple Default vertex shader in CG.

Ogre::HighLevelGpuProgramPtr Frapper::ViewportWidget::s_defaultFragmentShader

staticprivate

A simple Default fragment shader in CG.

Ogre::HighLevelGpuProgramPtr Frapper::ViewportWidget::s_defaultUVVertexShader

staticprivate

A simple Default vertex shader with UV-Coordinates in CG.

Ogre::HighLevelGpuProgramPtr Frapper::ViewportWidget::s_defaultTU0FragmentShader

staticprivate

A simple Default fragment shader with one textue in CG.

Ogre::MaterialPtr Frapper::ViewportWidget::s_redMaterial

staticprivate

Material for self-illuminating red objects (like coordinate X axes).

Ogre::MaterialPtr Frapper::ViewportWidget::s_greenMaterial

staticprivate

Material for self-illuminating green objects (like coordinate Y axes).

Ogre::MaterialPtr Frapper::ViewportWidget::s_blueMaterial

staticprivate

Material for self-illuminating blue objects (like coordinate Z axes).

Ogre::MaterialPtr Frapper::ViewportWidget::s_grayMaterial

staticprivate

Material for self-illuminating gray objects.

Ogre::MaterialPtr Frapper::ViewportWidget::s_blackMaterial

staticprivate

Material for self-illuminating black objects.

Ogre::MaterialPtr Frapper::ViewportWidget::s_defaultMaterial

staticprivate

Default material to use in shaded mode.

Ogre::MaterialPtr Frapper::ViewportWidget::s_nullMaterial

staticprivate

Material for Null objects.

unsigned int Frapper::ViewportWidget::m_stageIndex

protected

The index of the stage to display in the viewport.

bool Frapper::ViewportWidget::m_showOverlays

protected

Show overlays.

bool Frapper::ViewportWidget::m_fullscreen

protected

Flag that states whether the widget is used in fullscreen mode.

bool Frapper::ViewportWidget::m_stereo

protected

Flag that states whether stereo viewing is activated.

float Frapper::ViewportWidget::m_stereoEyeDist

protected

Stereo view parameters.

float Frapper::ViewportWidget::m_stereoFOffsetMultiplier

protected

float Frapper::ViewportWidget::m_stereoNearClip

protected

float Frapper::ViewportWidget::m_stereoFarClip

protected

float Frapper::ViewportWidget::m_stereoFov

protected

float Frapper::ViewportWidget::m_stereoFocalLength

protected

unsigned int Frapper::ViewportWidget::m_stereoRttWidth

protected

unsigned int Frapper::ViewportWidget::m_stereoRttHeight

protected

int Frapper::ViewportWidget::m_width

protected

The width of the viewport when in fullscreen mode.

int Frapper::ViewportWidget::m_height

protected

The height of the viewport when in fullscreen mode.

Ogre::RenderWindow* Frapper::ViewportWidget::m_renderWindow

protected

The OGRE render window to use in the viewport widget.

Ogre::SceneManager* Frapper::ViewportWidget::m_sceneManager

protected

The main OGRE scene manager.

Ogre::SceneNode* Frapper::ViewportWidget::m_cameraSceneNode

protected

The main viewport's viewing camera scene node.

Ogre::MaterialPtr Frapper::ViewportWidget::m_imageMaterial

protected

Material for the viewport's image overlay that is used to display image results from nodes.

Ogre::Camera* Frapper::ViewportWidget::m_camera

protected

The viewport's viewing cameras.

Ogre::Camera* Frapper::ViewportWidget::m_camera0

protected

Ogre::Camera* Frapper::ViewportWidget::m_camera1

protected

Ogre::Camera* Frapper::ViewportWidget::m_camera2

protected

Ogre::Camera* Frapper::ViewportWidget::m_camera3

protected

Ogre::Camera* Frapper::ViewportWidget::m_camera4

protected

QString Frapper::ViewportWidget::m_cameraName

protected

The current camera name.

Ogre::Light* Frapper::ViewportWidget::m_headLight

protected

The viewing camera's light.

Ogre::CompositorInstance* Frapper::ViewportWidget::m_stereoCompositor

protected

The stereo compositor.

Ogre::RenderTarget* Frapper::ViewportWidget::m_stereoRenderTarget

protected

The stereo OGRE texture render target.

Ogre::Viewport* Frapper::ViewportWidget::m_viewport

protected

The OGRE viewports.

Ogre::Viewport* Frapper::ViewportWidget::m_stereoViewport0

protected

Ogre::Viewport* Frapper::ViewportWidget::m_stereoViewport1

protected

Ogre::Viewport* Frapper::ViewportWidget::m_stereoViewport2

protected

Ogre::Viewport* Frapper::ViewportWidget::m_stereoViewport3

protected

Ogre::Viewport* Frapper::ViewportWidget::m_stereoViewport4

protected

Ogre::ColourValue Frapper::ViewportWidget::m_backgroundColor

protected

The background color of the viewport.

Ogre::ColourValue Frapper::ViewportWidget::m_fogColor

protected

The fog color of the scene.

Ogre::SceneNode* Frapper::ViewportWidget::m_orientationIndicatorCameraSceneNode

protected

The orientation indicator viewport's camera scene node.

Ogre::Camera* Frapper::ViewportWidget::m_orientationIndicatorCamera

protected

The orientation indicator viewport's camera.

Ogre::Viewport* Frapper::ViewportWidget::m_orientationIndicatorViewport

protected

The orientation indicator viewport to display axes that show the main camera's orientation.

Ogre::Overlay* Frapper::ViewportWidget::m_labelOverlay

protected

The overlay for all text information panel overlay elements.

Ogre::Overlay* Frapper::ViewportWidget::m_imageOverlay

protected

The overlay for the image panel overlay element.

Ogre::PanelOverlayElement* Frapper::ViewportWidget::m_leftTopHudPanel

protected

The panel overlay element used for displaying text information in the top left corner of the viewport.

Ogre::TextAreaOverlayElement* Frapper::ViewportWidget::m_leftTopHudTextArea

protected

The text area overlay element used for displaying text information in the top left corner of the viewport.

Ogre::PanelOverlayElement* Frapper::ViewportWidget::m_imagePanel

protected

The panel overlay element used for displaying an image.

Ogre::SceneNode* Frapper::ViewportWidget::m_viewportObjectsSceneNode

protected

The node that all exclusive viewport object scene nodes will be attached to.

Ogre::SceneNode* Frapper::ViewportWidget::m_originSceneNode

protected

The node that the coordinate system's origin axes will be attached to.

Ogre::SceneNode* Frapper::ViewportWidget::m_centerPointSceneNode

protected

The node that the center axes will be attached to.

Ogre::SceneNode* Frapper::ViewportWidget::m_orientationIndicatorSceneNode

protected

The node that the orientation indicator will be attached to.

Ogre::SceneNode* Frapper::ViewportWidget::m_gridSceneNode

protected

The node that the coordinate grid will be attached to.

bool Frapper::ViewportWidget::m_viewMode

protected

Flag that states whether the viewing mode is activated.

QPoint Frapper::ViewportWidget::m_lastPosition

protected

The last position of the mouse pointer over the viewport.

ViewingParameters* Frapper::ViewportWidget::m_viewingParameters

protected

The viewing parameters for the viewport's active camera.

bool Frapper::ViewportWidget::m_wireframe

protected

Flag that states whether wireframe view is activated.

bool Frapper::ViewportWidget::m_backfaceCulling

protected

Flag that states whether backface culling is activated.

bool Frapper::ViewportWidget::m_showOrigin

protected

Flag that states whether the origin should be visible in the viewport.

bool Frapper::ViewportWidget::m_showCenterPoint

protected

Flag that states whether the center should be visible in the viewport.

bool Frapper::ViewportWidget::m_showOrientationIndicator

protected

Flag that states whether the orientation indicator is shown in the widget.

bool Frapper::ViewportWidget::m_showGrid

protected

Flag that states whether the grid should be visible in the viewport.

bool Frapper::ViewportWidget::m_overlayOnly

protected

Flag that states whether the geometry should be visible.

float Frapper::ViewportWidget::m_dbgColor

protected

The background color.

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

Public Slots

Signals

Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Static Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation