ACG::SceneGraph::LineNode Class Reference

#include <ACG/Scenegraph/LineNode.hh>

Inheritance diagram for ACG::SceneGraph::LineNode:

Public Types
enum	LineMode { LineSegmentsMode, PolygonMode }
	Line mode: draw line segments (every 2 points) or ONE polyline.
typedef ACG::Vec3uc	Color
typedef ACG::Vec4f	Color4f
typedef std::vector< Vec3d >	PointVector
typedef PointVector::iterator	PointIter
typedef PointVector::const_iterator	ConstPointIter
typedef std::vector< ACG::Vec3uc >	ColorVector
typedef ColorVector::iterator	ColorIter
typedef ColorVector::const_iterator	ConstColorIter
typedef std::vector< Color4f >	Color4fVector
typedef Color4fVector::iterator	Color4fIter
typedef Color4fVector::const_iterator	ConstColor4fIter
typedef Vec3d	value_type
typedef Vec3d &	reference
typedef const Vec3d &	const_reference
Public Types inherited from ACG::SceneGraph::MaterialNode
enum	ApplyProperties {   None =0, All =0xffff, BaseColor =1, Material =2,   PointSize =4, LineWidth =8, RoundPoints =16, LineSmooth =32,   AlphaTest =64, Blending =128, BackFaceCulling =256, ColorMaterial =512,   MultiSampling =1024 }
	Apply which properties? Others will be ignored. Values may be OR'ed. More...
Public Types inherited from ACG::SceneGraph::BaseNode
enum	StatusMode { Active = 0x1, HideNode = 0x2, HideChildren = 0x4, HideSubtree = 0x8 }
	Status modi. More...
enum	TraverseMode { NodeFirst = 0x1, ChildrenFirst = 0x2, SecondPass = 0x4 }
	Node traverse types. More...
typedef std::vector< BaseNode * >::const_iterator	ConstChildIter
	allows to iterate over children
typedef std::vector< BaseNode * >::iterator	ChildIter
	allows to iterate over children
typedef std::vector< BaseNode * >::const_reverse_iterator	ConstChildRIter
	allows to reverse iterate over children
typedef std::vector< BaseNode * >::reverse_iterator	ChildRIter
	allows to reverse iterate over children
enum	PASSES {   NOPASS = 0, ALLPASSES = 1 << 0, PASS_1 = 1 << 1, PASS_2 = 1 << 2,   PASS_3 = 1 << 3, PASS_4 = 1 << 4, PASS_5 = 1 << 5, PASS_6 = 1 << 6,   PASS_7 = 1 << 7, PASS_8 = 1 << 8 }
	This enum should be used to enable rendering of a node in different.
typedef unsigned int	MultipassBitMask
	Multipass pass bit mask type.

Public Member Functions
	LineNode (LineMode _mode, BaseNode *_parent=0, std::string _name="<LineNode>")
	default constructor
	~LineNode ()
	destructor
void	set_line_mode (LineMode _mode)
	set line mode (see LineNode::LineMode)
	ACG_CLASSNAME (LineNode)
	static name of this class
DrawModes::DrawMode	availableDrawModes () const override
	return available draw modes
void	boundingBox (Vec3d &_bbMin, Vec3d &_bbMax) override
	update bounding box
void	enter (GLState &_state, const DrawModes::DrawMode &_drawMode) override
	set depth function (needed for lasso selection so that the line can be draw in pseudo-2D)
void	draw (GLState &_state, const DrawModes::DrawMode &_drawMode) override
	draw lines and normals
void	drawCompat (GLState &_state, const DrawModes::DrawMode &_drawMode)
void	leave (GLState &_state, const DrawModes::DrawMode &_drawMode) override
	reset depth function to what it was before enter()
void	pick (GLState &_state, PickTarget _target) override
	Draw the line using the GL picking name stack.
void	pickCompat (GLState &_state, PickTarget _target)
void	reserve_lines (unsigned int _n)
	reserve mem for _n lines
void	reserve_points (unsigned int _n)
	reserve mem for _n points
void	clear ()
	clear points/lines and colors
void	clear_points ()
	clear points/lines
void	clear_colors ()
	clear colors
void	set_color (const Vec4f &_c)
	Override material node's set color function in order to locally add color.
void	add_point (const Vec3d &_v)
	add point (for LineMode == PolygonMode)
void	add_line (const Vec3d &_v0, const Vec3d &_v1)
	add line (for LineMode == LineSegmentsMode)
void	add_color (const ACG::Vec3uc &_c)
	add color (only for LineMode == LineSegmentsMode)
void	add_color (const Color4f _c)
	add color 4f (only for LineMode == LineSegmentsMode)
void	set_picking_line_width (float _width)
	set line width used by the picking renderer
float	picking_line_width () const
	get line width used by the picking renderer. Defaults to line_width().
size_t	n_points () const
	number of points
const PointVector &	points () const
	return reference to point vector More...
ColorVector &	colors ()
	get and set color container More...
bool &	alwaysOnTop ()
	get and set always on top
void	updateVBO ()
void	push_back (const Vec3d &_v)
	STL conformance.
void	getRenderObjects (IRenderer *_renderer, GLState &_state, const DrawModes::DrawMode &_drawMode, const ACG::SceneGraph::Material *_mat) override
	Add the objects to the given renderer. More...
Public Member Functions inherited from ACG::SceneGraph::MaterialNode
	MaterialNode (BaseNode *_parent=0, const std::string &_name="<MaterialNode>", unsigned int _applyProperties=(All &~BackFaceCulling))
	Default constructor. Applies all properties.
virtual	~MaterialNode ()
	Destructor.
void	read (std::istream &_is)
	read MaterialFile
float	alpha_value ()
	get current alpha value for alpha_test
bool	blending ()
GLenum	blending_param1 ()
GLenum	blending_param2 ()
void	enable_blending (GLenum _p1=GL_SRC_ALPHA, GLenum _p2=GL_ONE_MINUS_SRC_ALPHA)
	enable blending with Parameters (_p1, _p2)
void	disable_blending ()
	disable blending
bool	backface_culling ()
void	enable_backface_culling ()
	enable backface culling (not active by default, see applyProperties)
void	disable_backface_culling ()
	disable backface culling (not active by default, see applyProperties)
unsigned int	applyProperties () const
	get properties that will be applied (OR'ed ApplyProperties)
void	applyProperties (unsigned int _applyProperties)
	set properties that will be applied (OR'ed ApplyProperties)
ACG::SceneGraph::Material &	material ()
	Get material object reference.
void	set_material (const ACG::SceneGraph::Material &_m)
	Set material object.
	ACG_CLASSNAME (MaterialNode)
	set current GL-color and GL-material
void	enter (GLState &_state, const DrawModes::DrawMode &_drawmode) override
	set current GL-color and GL-material
void	leave (GLState &_state, const DrawModes::DrawMode &_drawmode) override
	restores original GL-color and GL-material
void	enterPick (GLState &_state, PickTarget _target, const DrawModes::DrawMode &_drawMode) override
	Do nothing in picking.
void	leavePick (GLState &_state, PickTarget _target, const DrawModes::DrawMode &_drawMode) override
	Do nothing in picking.
void	set_color (const Vec4f &_c)
	set color (base, ambient, diffuse, specular) based on _c
void	set_random_color ()
	Generates a random color and sets it.
void	set_base_color (const Vec4f &_c)
	set the base color ( Same as set_emission(const Vec4f& _c) )
const Vec4f &	base_color () const
	get the base color ( same as emission() )
void	set_emission (const Vec4f &_c)
	set emission ( same as set_base_color(const Vec4f& _c) )
const Vec4f &	emission () const
	get emission ( same as base_color() )
void	set_ambient_color (const Vec4f &_a)
	set the ambient color.
const Vec4f &	ambient_color () const
	get the ambient color.
void	set_diffuse_color (const Vec4f &_d)
	set the diffuse color.
const Vec4f &	diffuse_color () const
	get the diffuse color.
void	set_specular_color (const Vec4f &_s)
	set the specular color
const Vec4f &	specular_color () const
	get the specular color
void	set_overlay_color (const Vec4f &_s)
	set the overlay color
const Vec4f &	overlay_color () const
	get the overlay color
void	colorMaterial (const bool _cm)
	Set colorMaterial.
void	enable_color_material ()
	Enable Color Material.
void	disable_color_material ()
	Disable Color Material.
bool	colorMaterial ()
	get colorMaterial state
void	set_shininess (float _s)
	set shininess
float	shininess () const
	get shininess
void	set_reflectance (double _m)
	set reflectance
double	reflectance () const
	get reflectance
void	set_indexOfRefraction (double _m)
	set index of refraction
double	indexOfRefraction () const
	get index of refraction
void	set_refractive (bool _r)
	set refractive flag
bool	isRefractive () const
	get refractive flag
void	set_point_size (float _sz)
	set point size (default: 1.0)
float	point_size () const
	get point size
void	set_line_width (float _sz)
	set line width (default: 1.0)
float	line_width () const
	get line width
void	set_round_points (bool _b)
	set round points enabled
bool	round_points () const
	get round points enabled
void	set_line_smooth (bool _b)
	set: smooth lines enabled
bool	line_smooth () const
	get: rsmooth lines enabled
void	enable_alpha_test (float _clip)
	enable alpha test (draw pixels if alpha >= _clip)
void	disable_alpha_test ()
	disable alpha test
bool	alpha_test ()
	Return state of Alpha test.
void	enable_multisampling ()
	Enable Multisampling.
void	disable_multisampling ()
	enable alpha test (draw pixels if alpha >= _clip)
bool	multiSampling ()
	Get state of multisampling.
void	set_multisampling (bool _state)
	Set state of multisampling.
Public Member Functions inherited from ACG::SceneGraph::BaseNode
	BaseNode (BaseNode *_parent=0, std::string _name="<unknown>")
	Default constructor.
	BaseNode (BaseNode *_parent, BaseNode *_child, std::string _name="<unknown>")
	Put this node between _parent and _child.
virtual	~BaseNode ()
	Destructor.
void	delete_subtree ()
	Delete the whole subtree of this node. More...
virtual const std::string &	className () const =0
	Return class name (implemented by the ACG_CLASSNAME macro)
virtual void	enter (IRenderer *, GLState &_state, const DrawModes::DrawMode &_drawMode)
virtual void	leave (IRenderer *, GLState &_state, const DrawModes::DrawMode &_drawMode)
void	enablePicking (bool _enable)
bool	pickingEnabled ()
virtual void	mouseEvent (GLState &, QMouseEvent *)
	Handle mouse event (some interaction, e.g. modeling)
void	setDirty (bool _dirty=true)
	mark node for redrawn
bool	isDirty () const
	Check if node should be redrawn.
ChildIter	childrenBegin ()
	Returns: begin-iterator of children.
ConstChildIter	childrenBegin () const
	Same but cont.
ChildIter	childrenEnd ()
	Returns: end-iterator of children.
ConstChildIter	childrenEnd () const
	Same but const.
ChildRIter	childrenRBegin ()
	Returns: reverse begin-iterator of children.
ConstChildRIter	childrenRBegin () const
	Same but const.
ChildRIter	childrenREnd ()
	Returns: reverse end-iterator of children.
ConstChildRIter	childrenREnd () const
	Same but const.
void	push_back (BaseNode *_node)
	Insert _node at the end of the list of children.
void	remove (ChildIter _pos)
size_t	nChildren () const
	number of children
ChildIter	find (BaseNode *_node)
BaseNode *	find (const std::string &_name)
BaseNode *	parent ()
	Get the nodes parent node.
const BaseNode *	parent () const
	Get the nodes parent node.
void	set_parent (BaseNode *_parent)
	Set the parent of this node. More...
StatusMode	status () const
	Get node's status.
void	set_status (StatusMode _s)
	Set the status of this node.
void	hide ()
	Hide Node: set status to HideNode.
void	show ()
	Show node: set status to Active.
bool	visible ()
	Is node visible (status == Active)?
bool	hidden ()
	Is node not visible (status != Active)?
std::string	name () const
	Returns: name of node (needs not be unique)
void	name (const std::string &_name)
	rename a node
unsigned int	id () const
DrawModes::DrawMode	drawMode () const
	Return the own draw modes of this node.
void	drawMode (DrawModes::DrawMode _drawMode)
unsigned int	traverseMode () const
	Return how the node should be traversed.
void	setTraverseMode (unsigned int _mode)
	Set traverse mode for node.
MultipassBitMask	multipassStatus () const
	Get the current multipass settings for the nodes status functions. More...
void	setMultipassStatus (const MultipassBitMask _passStatus)
	Set multipass settings for the nodes status functions. More...
void	multipassStatusSetActive (const unsigned int _i, bool _active)
	Set multipass status to traverse in a specific pass. More...
bool	multipassStatusActive (const unsigned int _i) const
	Get multipass status to traverse in a specific pass. More...
MultipassBitMask	multipassNode () const
	Get the current multipass settings for the node. More...
void	setMultipassNode (const MultipassBitMask _passNode)
	Set multipass settings for the node. More...
void	multipassNodeSetActive (const unsigned int _i, bool _active)
	Set Node status to traverse in a specific pass. More...
bool	multipassNodeActive (const unsigned int _i) const
	Get Node status to traverse in a specific pass. More...
void	setRenderObjectShaders (const std::string &_vertexShaderFile, const std::string &_geometryShaderFile, const std::string &_fragmentShaderFile, bool _relativePaths=true, DrawModes::DrawModePrimitive _primitiveType=DrawModes::PRIMITIVE_POLYGON)
	Set custom shaders. More...
void	setRenderObjectShaders (const std::string &_vertexShaderFile, const std::string &_tessControlShaderFile, const std::string &_tessEvalShaderFile, const std::string &_geometryShaderFile, const std::string &_fragmentShaderFile, bool _relativePaths=true, DrawModes::DrawModePrimitive _primitiveType=DrawModes::PRIMITIVE_POLYGON)
	Set custom shaders. More...
void	setRenderObjectUniformPool (const GLSL::UniformPool *_pool)
	Set uniforms for shader based rendering. More...
const GLSL::UniformPool *	getRenderObjectUniformPool ()
	Get uniforms for shader based rendering. More...
void	setRenderObjectTexture (int _samplerSlot, GLuint _texId, GLenum _texType=GL_TEXTURE_2D)
	Set textures for shader based rendering. More...
void	setRenderObjectModifier (RenderObjectModifier *_modifier)
	Set modifier for render objects. More...
RenderObjectModifier *	getRenderObjectModifier ()
	Get render-object modifier. More...
void	applyRenderObjectSettings (DrawModes::DrawModePrimitive _primitive, RenderObject *_obj) const
	Set shaders, textures and uniforms as provided by user to a render-object. More...

Protected Member Functions
void	pick_vertices (GLState &_state)
void	pick_edges (GLState &_state, unsigned int _offset)
void	pick_edgesCompat (GLState &_state, unsigned int _offset)
void	createVBO ()
	creates the vbo only if update was requested

Protected Attributes
float	picking_line_width_
PointVector	points_
ColorVector	colors_
Color4fVector	colors4f_
LineMode	line_mode_
bool	draw_always_on_top
GLint	prev_depth_
unsigned int	vbo_
bool	updateVBO_
ACG::VertexDeclaration	vertexDecl_
std::string	lineNodeName_

Detailed Description

LineNode renders a set of line segments or polylines.

LineNode renders a set of line segments or one connected polyline, depending on the LineMode, that can be set using the set_line_mode(LineMode) method.

Definition at line 84 of file LineNode.hh.

Member Function Documentation

colors()

ColorVector& ACG::SceneGraph::LineNode::colors ( )

inline

get and set color container

If you change something here, you need to call updateVBO() in order to tell the system, that your data arrays changed

Definition at line 195 of file LineNode.hh.

getRenderObjects()

void ACG::SceneGraph::LineNode::getRenderObjects ( IRenderer *  _renderer, GLState &  _state, const DrawModes::DrawMode &  _drawMode, const ACG::SceneGraph::Material *  _mat  )

overridevirtual

Add the objects to the given renderer.

Parameters

_renderer	The renderer which will be used. Add your geometry into this class
_state	The current GL State when this object is called
_drawMode	The active draw mode
_mat	Current material

Reimplemented from ACG::SceneGraph::BaseNode.

Definition at line 544 of file LineNode.cc.

points()

const PointVector& ACG::SceneGraph::LineNode::points ( ) const

inline

return reference to point vector

If you change something here, you need to call updateVBO() in order to tell the system, that your data arrays changed

Definition at line 188 of file LineNode.hh.

Member Data Documentation

picking_line_width_

float ACG::SceneGraph::LineNode::picking_line_width_

protected

Line width used by the picking renderer. If this is not set (i.e. NAN), line_width() is used instead.

Definition at line 228 of file LineNode.hh.

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

• OpenFlipper/libs_required/ACG/Scenegraph/LineNode.hh
• OpenFlipper/libs_required/ACG/Scenegraph/LineNode.cc
• OpenFlipper/libs_required/ACG/Scenegraph/LineNodeGLCompat.cc