sf::xgl::Line Class Reference

Class to render a line in OpenGL. More...

#include <Line.h>

Inheritance diagram for sf::xgl::Line:

Collaboration diagram for sf::xgl::Line:

Classes
struct	Parameters
	Parameters for generating the data. More...

Public Member Functions
	TVertexArray (ShaderProgram *sp)
	Constructor.
Public Member Functions inherited from sf::xgl::TVertexArray< VertexArrayBase::vmPosition >
	TVertexArray (ShaderProgram *sp)
	Constructor.
	~TVertexArray () override
	Virtual destructor.
ShaderProgram *	shaderProgram ()
	Gets the associated shader program.
void	draw () final
	Overridden from base class VertexArrayBase. Uses new style OpenGL with a shader program.
void	paint () final
	Overridden from base class VertexArrayBase. Uses old style OpenGL without a shader program.
bool	hasColor () const final
	Overridden from base class VertexArrayBase.
bool	hasTexture () const final
	Overridden from base class VertexArrayBase.
void	setTexture (QOpenGLTexture *texture)
	Assigns the texture.
NormalsDataType	getNormalsData () const override
	Overridden from base class.
void	clearData () override
	Clears the data to generate array buffers.
Public Member Functions inherited from sf::xgl::VertexArrayBase
	VertexArrayBase (QObject *parent=nullptr)
	Default Qt object constructor.
void	triggerGenerate ()
	Sets a flag to trigger data generation when the data is called for.
void	setRenderOptions (RenderOptions options)
	Modify the render options which will trigger a regeneration of the vertices and indices.
RenderOptions	getRenderOptions () const
	Gets the render options.

Public Attributes
struct sf::xgl::Line::Parameters	f
Public Attributes inherited from sf::xgl::TVertexArray< VertexArrayBase::vmPosition >
QOpenGLBuffer	vbo
	Holds the vertex buffer object.
QOpenGLBuffer	ebo
	Holds the index buffer object for solid drawing.

Protected Member Functions
void	generate () override
	Overridden from base class.
void	modifyContext (bool before, bool draw, size_t mode_index) override
	Overridden from base class to set the line width.
Protected Member Functions inherited from sf::xgl::TVertexArray< VertexArrayBase::vmPosition >
bool	setup () override
	Sets up the vertex array for the OpenGL context.
void	setupLayout ()
	Sets up the layout of the Vertex structure for OpenGL.
void	setAttribPointer (ShaderProgram::Attribute sa, size_t offset)
	Makes a call to setVertexAttribPointer().
void	callModifyContext (const ModeRange &mr, bool before, bool draw, size_t mode_index)
	Calls the function modifyContext when overridden.
bool	checkData () const
	Check the data integrity of indices to vertices,.
Protected Member Functions inherited from sf::xgl::VertexArrayBase
bool	callGenerate ()
	Makes a call to virtual function generate() when the #_generateFlag is set using triggerGenerate().
bool	isTriggered () const
	Gets the flag if data is to be (re-)generated. Flag is set to True initially.

Additional Inherited Members
Public Types inherited from sf::xgl::VertexArrayBase
enum	EVertexMember : VertexMember { vmPosition = 1 << 0 , vmNormal = 1 << 1 , vmColor = 1 << 2 , vmTexCoord = 1 << 3 }
	Possible member of a vertex structure. Where the position can not be omitted as part of the vertex. More...
enum	EDrawMode { dmDrawArrays , dmDrawElements }
	Drawing mode of by the template. More...
enum	ERenderOption : int { roNone = 0 , roWires = 1 << 0 , roNormals = 1 << 1 }
	Render options. More...
typedef unsigned	VertexMember
	Type used to describe vertex structure members.
typedef TVector< std::pair< vector3f, vector3f > >	NormalsDataType
	Type for extracting normals from all used vertices.
Static Public Member Functions inherited from sf::xgl::VertexArrayBase
static const Color &	getDefaultColor ()
	Gets the default color used by the vertex structures when not set by the derived class. Created to have a single location for the default color. An example how it is used:
static void	setDefaultColor (const QColor &color)
	Sets the default color used by the vertex structures when not set by the derived class.
Protected Types inherited from sf::xgl::TVertexArray< VertexArrayBase::vmPosition >
using	Vertex = std::conditional_t< VertexMembers==vmPosition, VT_Position, std::conditional_t< VertexMembers==(vmPosition|vmColor), VT_PositionColor, std::conditional_t< VertexMembers==(vmPosition|vmNormal), VT_PositionNormal, std::conditional_t< VertexMembers==(vmPosition|vmNormal|vmColor), VT_PositionNormalColor, std::conditional_t< VertexMembers==(vmPosition|vmTexCoord), VT_PositionTexture, std::conditional_t< VertexMembers==(vmPosition|vmNormal|vmTexCoord), VT_PositionNormalTexture, std::conditional_t< VertexMembers==(vmPosition|vmNormal|vmColor|vmTexCoord), VT_PositionNormalColorTexture, void > > > > > > >
	Conditional vertex structure type. Used for memory locations.
typedef TVector< GLuint >	IndexVectorType
	Type definition for storing indices.
Protected Attributes inherited from sf::xgl::TVertexArray< VertexArrayBase::vmPosition >
TVector< Vertex >	_vertices
	Holds the data of the vertices before being copied to OpenGL memory.
IndexVectorType	_indices
	Holds the data of the indices for solid and wire drawing.
TVector< ModeRange >	_modes
	Modes to call glDrawArrays() or glDrawElements() depending on the _indices member not being empty.

Detailed Description

Class to render a line in OpenGL.

Member Function Documentation

generate()

void sf::xgl::Line::generate ( )

overrideprotectedvirtual

Overridden from base class.

Implements sf::xgl::VertexArrayBase.

modifyContext()

void sf::xgl::Line::modifyContext ( bool  before, bool  draw, size_t  mode_index  )

overrideprotectedvirtual

Overridden from base class to set the line width.

Reimplemented from sf::xgl::VertexArrayBase.

TVertexArray()

sf::xgl::TVertexArray< VertexMembers >::TVertexArray ( ShaderProgram *  sp )

explicit

Constructor.

Parameters

sp	Shader program instance.

Member Data Documentation

f

struct sf::xgl::Line::Parameters sf::xgl::Line::f

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

• Line.h