osmscout::OpenGLProjection Class Reference

#include <libosmscout-map-opengl/include/osmscoutmapopengl/OpenGLProjection.h>

Inheritance diagram for osmscout::OpenGLProjection:

Collaboration diagram for osmscout::OpenGLProjection:

Public Member Functions
	OpenGLProjection ()=default
	OpenGLProjection (const OpenGLProjection &)=default
	OpenGLProjection (OpenGLProjection &&)=default
OpenGLProjection &	operator= (const OpenGLProjection &)=default
OpenGLProjection &	operator= (OpenGLProjection &&)=default
	~OpenGLProjection () override=default
void	SetShaderUniforms (GLuint shaderProgram) const
Public Member Functions inherited from osmscout::MercatorProjection
	MercatorProjection ()=default
	MercatorProjection (const MercatorProjection &)=default
	MercatorProjection (MercatorProjection &&)=default
MercatorProjection &	operator= (const MercatorProjection &)=default
MercatorProjection &	operator= (MercatorProjection &&)=default
	~MercatorProjection () override=default
bool	CanBatch () const override
bool	IsValid () const override
bool	IsValidFor (const GeoCoord &coord) const override
bool	Set (const GeoCoord &coord, const Magnification &magnification, size_t width, size_t height)
bool	Set (const GeoCoord &coord, double angle, const Magnification &magnification, size_t width, size_t height)
bool	Set (const GeoCoord &coord, const Magnification &magnification, double dpi, size_t width, size_t height)
bool	Set (const GeoCoord &coord, double angle, const Magnification &magnification, double dpi, size_t width, size_t height)
bool	PixelToGeo (double x, double y, GeoCoord &coord) const override
bool	GeoToPixel (const GeoCoord &coord, Vertex2D &pixel) const override
bool	Move (double horizPixel, double vertPixel)
bool	MoveUp (double pixel)
bool	MoveDown (double pixel)
bool	MoveLeft (double pixel)
bool	MoveRight (double pixel)
bool	IsLinearInterpolationEnabled () const
void	SetLinearInterpolationUsage (bool useLinearInterpolation)
Public Member Functions inherited from osmscout::Projection
	Projection ()=default
	Projection (const Projection &)=default
	Projection (Projection &&)=default
Projection &	operator= (const Projection &)=default
Projection &	operator= (Projection &&)=default
virtual	~Projection ()=default
GeoCoord	GetCenter () const
double	GetAngle () const
size_t	GetWidth () const
size_t	GetHeight () const
ScreenBox	GetScreenBox () const
Magnification	GetMagnification () const
double	GetDPI () const
GeoBox	GetDimensions () const
double	GetPixelSize () const
double	GetMeterInPixel () const
double	GetMeterInMM () const
double	ConvertWidthToPixel (double width) const
double	ConvertPixelToWidth (double pixel) const
bool	BoundingBoxToPixel (const GeoBox &boundingBox, ScreenBox &screenBox) const

Additional Inherited Members
Static Public Attributes inherited from osmscout::MercatorProjection
static const double	MaxLat
static const double	MinLat
static const double	MaxLon
static const double	MinLon
Protected Member Functions inherited from osmscout::MercatorProjection
void	GeoToPixel (const BatchTransformer &transformData) const override
Protected Attributes inherited from osmscout::MercatorProjection
bool	valid =false
	projection is valid
double	latOffset =0.0
	Absolute and untransformed screen position of lat coordinate.
double	angleSin =0.0
double	angleCos =0.0
double	angleNegSin =0.0
double	angleNegCos =0.0
double	scale =1.0
double	scaleGradtorad =0.0
	Precalculated scale*Gradtorad.
double	scaledLatDeriv =0.0
	center scaled by gradtorad * scale
bool	useLinearInterpolation =false
	switch to enable linear interpolation of latitude to pixel computation
Protected Attributes inherited from osmscout::Projection
GeoCoord	center
	Coordinate of the center of the displayed area.
double	angle =0.0
	Display rotation angle in radians, canvas clockwise.
Magnification	magnification
	Current magnification.
double	dpi =0.0
	Screen DPI.
size_t	width =0
	Width of image.
size_t	height =0
	Height of image.
GeoBox	boundingBox
	Bounding box of the current projection on the ground.
double	pixelSize =0.0
	Size of a pixel in meter.
double	meterInPixel =0.0
	Number of on screen pixel for one meter on the ground.
double	meterInMM =0.0
	Number of on screen millimeters for one meter on the ground.

Constructor & Destructor Documentation

OpenGLProjection() [1/3]

osmscout::OpenGLProjection::OpenGLProjection ( )

default

OpenGLProjection() [2/3]

osmscout::OpenGLProjection::OpenGLProjection ( const OpenGLProjection & )

default

OpenGLProjection() [3/3]

osmscout::OpenGLProjection::OpenGLProjection ( OpenGLProjection && )

default

~OpenGLProjection()

osmscout::OpenGLProjection::~OpenGLProjection ( )

overridedefault

Member Function Documentation

operator=() [1/2]

OpenGLProjection & osmscout::OpenGLProjection::operator= ( const OpenGLProjection & )

default

operator=() [2/2]

OpenGLProjection & osmscout::OpenGLProjection::operator= ( OpenGLProjection && )

default

SetShaderUniforms()

void osmscout::OpenGLProjection::SetShaderUniforms ( GLuint shaderProgram ) const

inline

Setup projection shader uniforms

Parameters

shaderProgram

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

• libosmscout-map-opengl/include/osmscoutmapopengl/OpenGLProjection.h