This class implements the grid, planar or geographic, to be used with the MapDisplay. More...

#include <Grid.h>

Inheritance diagram for te::qt::widgets::Grid:

Public Slots
Public slots.
Methods to update the internal attributes of the class, using the signal-slot mechanism of QT.
void	setColor (const QColor &color)
	Updates the color of the lines and texts. More...

void	setFont (const QFont &font)
	Updates the font of the texts. More...

void	setGridType (const int &type)
	Updates the type of grid: planar or geographic. More...

void	redraw ()
	Refresh the grid image. This method MUST BE called when the area of visualization changes in MapDisplay. More...

Signals
Signals
Signals emmited by the widget.
void	aboutToBeclosed ()

Public Member Functions
Constructor and destructor methods.
Methods related to instantiation and destruction.
	Grid (MapDisplay *parent)
	Constructor. More...

	~Grid ()
	Destuctor. More...

Public methods
Methods to access the internal attributes of the class.
QColor	getColor () const
	Returns the current color being used. More...

QFont	getFont () const
	Returns the current font being used. More...

int	getType () const
	Returns the current type of grid being used. More...

Protected Member Functions
Protected methods
Methods used internally by the object.
void	initialize ()
	Initializes the object. More...

void	makePlanarGrid ()
	Builds the planar grid. More...

void	makeGeographicGrid ()
	Builds the geographic grid. More...

void	paintEvent (QPaintEvent *event)
	Reimplementation of the QFrame method. More...

void	closeEvent (QCloseEvent *event)
	Reimplementation of the QFrame method. More...

Protected Attributes
QPixmap *	m_backGround
	Pixmap with the grid image. More...

QColor	m_color
	Color to be used. More...

MapDisplay *	m_display
	Pointer to a MapDisplay. More...

QFont	m_font
	Font to be used. More...

int	m_geoSrid
	Geographic SRID being used to reproject the world box to a geographic coordinate system. More...

std::vector< te::gm::LineString >	m_hlines
	Grid lines. More...

double	m_horizontalGap
	Distance between lines in x-axis. More...

double	m_initialX
	Initial coordinate in x-axis. More...

double	m_initialY
	Initial coordinate in y-axis. More...

int	m_maxGap
	Maximum number of lines to be presented on the grid. More...

int	m_srid
	SRID being used to reproject the world box to a planar coordinate system. More...

GridTypes	m_type
	Type of the grid (planar or geographic). More...

double	m_verticalGap
	Distance between lines in y-axis. More...

std::vector< te::gm::LineString >	m_vlines
	Grid lines. More...

Detailed Description

This class implements the grid, planar or geographic, to be used with the MapDisplay.

Definition at line 74 of file qt/widgets/canvas/Grid.h.

Constructor & Destructor Documentation

te::qt::widgets::Grid::Grid ( MapDisplay * parent )

Constructor.

Parameters

parent The display over what the scale will reflect.

Definition at line 1762 of file qt/widgets/canvas/Grid.cpp.

References initialize(), m_display, and redraw().

te::qt::widgets::Grid::~Grid ( )

Destuctor.

Definition at line 1786 of file qt/widgets/canvas/Grid.cpp.

References m_backGround.

Member Function Documentation

void te::qt::widgets::Grid::aboutToBeclosed ( )

signal

Signal emmited when the widget is about to be closed.

Referenced by closeEvent().

void te::qt::widgets::Grid::closeEvent ( QCloseEvent * event )

protected

Reimplementation of the QFrame method.

Parameters

event The event generated.

Definition at line 2051 of file qt/widgets/canvas/Grid.cpp.

References aboutToBeclosed().

QColor te::qt::widgets::Grid::getColor ( ) const

Returns the current color being used.

Returns: The current color of the grid and texts.

Definition at line 1791 of file qt/widgets/canvas/Grid.cpp.

References m_color.

Referenced by te::qt::widgets::GridPropertyBrowser::GridPropertyBrowser().

QFont te::qt::widgets::Grid::getFont ( ) const

Returns the current font being used.

Returns: The current font of the texts.

Definition at line 1796 of file qt/widgets/canvas/Grid.cpp.

References m_font.

Referenced by te::qt::widgets::GridPropertyBrowser::GridPropertyBrowser().

int te::qt::widgets::Grid::getType ( ) const

Returns the current type of grid being used.

Returns: The current type of grid being used.

See also: GridTypes

Definition at line 1801 of file qt/widgets/canvas/Grid.cpp.

References m_type.

Referenced by te::qt::widgets::GridPropertyBrowser::GridPropertyBrowser().

void te::qt::widgets::Grid::initialize ( )

protected

Initializes the object.

Definition at line 1950 of file qt/widgets/canvas/Grid.cpp.

References te::map::MapDisplay::getExtent(), te::common::Singleton< SpatialReferenceSystemManager >::getInstance(), te::map::MapDisplay::getSRID(), m_display, m_srid, m_type, te::qt::widgets::PLANAR, ToGeographic(), and ToPlanar().

Referenced by Grid(), makeGeographicGrid(), and makePlanarGrid().

void te::qt::widgets::Grid::makeGeographicGrid ( )

protected

Builds the geographic grid.

Definition at line 1992 of file qt/widgets/canvas/Grid.cpp.

References CalculateHorizontalLines(), CalculateVerticalLines(), te::map::MapDisplay::getExtent(), te::gm::Envelope::getHeight(), GetInitialCoord(), te::gm::Envelope::getLowerLeftX(), te::gm::Envelope::getLowerLeftY(), te::map::MapDisplay::getSRID(), te::gm::Envelope::getWidth(), initialize(), te::gm::Envelope::isValid(), m_display, m_geoSrid, m_hlines, m_horizontalGap, m_initialX, m_initialY, m_maxGap, m_srid, m_verticalGap, m_vlines, ToPlanar(), and WorldBoxTo().

Referenced by redraw().

void te::qt::widgets::Grid::makePlanarGrid ( )

protected

Builds the planar grid.

Definition at line 1971 of file qt/widgets/canvas/Grid.cpp.

References CalculateHorizontalLines(), CalculateVerticalLines(), te::map::MapDisplay::getExtent(), te::gm::Envelope::getHeight(), GetInitialCoord(), te::gm::Envelope::getLowerLeftX(), te::gm::Envelope::getLowerLeftY(), te::map::MapDisplay::getSRID(), te::gm::Envelope::getWidth(), initialize(), m_display, m_hlines, m_horizontalGap, m_initialX, m_initialY, m_maxGap, m_srid, m_verticalGap, m_vlines, and te::gm::Envelope::transform().

Referenced by redraw().

void te::qt::widgets::Grid::paintEvent ( QPaintEvent * event )

protected

Reimplementation of the QFrame method.

Parameters

event The event generated.

Definition at line 2042 of file qt/widgets/canvas/Grid.cpp.

References m_backGround, and p.

void te::qt::widgets::Grid::redraw ( )

slot

Refresh the grid image. This method MUST BE called when the area of visualization changes in MapDisplay.

Definition at line 1827 of file qt/widgets/canvas/Grid.cpp.

References DrawAllLines(), DrawTexts(), dx, te::qt::widgets::GEOGRAPHIC, te::qt::widgets::GetCleanImage(), te::map::MapDisplay::getExtent(), te::gm::LineString::getNPoints(), te::gm::LineString::getPointN(), te::map::MapDisplay::getSRID(), GetTextsPixmap(), GetTransformGeo(), line, m_backGround, m_color, m_display, m_font, m_geoSrid, m_hlines, m_srid, m_type, m_vlines, makeGeographicGrid(), makePlanarGrid(), te::qt::widgets::MillimetersToPixels(), p, te::qt::widgets::PLANAR, WorldTransformer::setMirroring(), SetSRID(), and te::gm::Envelope::transform().

Referenced by Grid(), setColor(), setFont(), and setGridType().

void te::qt::widgets::Grid::setColor ( const QColor & color )

slot

Updates the color of the lines and texts.

Parameters

color The new color to be used.

Definition at line 1806 of file qt/widgets/canvas/Grid.cpp.

References m_color, and redraw().

void te::qt::widgets::Grid::setFont ( const QFont & font )

slot

Updates the font of the texts.

Parameters

font	New font to be used.

Definition at line 1813 of file qt/widgets/canvas/Grid.cpp.

References m_font, and redraw().

void te::qt::widgets::Grid::setGridType ( const int & type )

slot

Updates the type of grid: planar or geographic.

Parameters

type	The new type.

Definition at line 1820 of file qt/widgets/canvas/Grid.cpp.

References m_type, and redraw().

Member Data Documentation

QPixmap* te::qt::widgets::Grid::m_backGround

protected

Pixmap with the grid image.

Definition at line 215 of file qt/widgets/canvas/Grid.h.

Referenced by paintEvent(), redraw(), and ~Grid().

QColor te::qt::widgets::Grid::m_color

protected

Color to be used.

Definition at line 220 of file qt/widgets/canvas/Grid.h.

Referenced by getColor(), redraw(), and setColor().

MapDisplay* te::qt::widgets::Grid::m_display

protected

Pointer to a MapDisplay.

Definition at line 209 of file qt/widgets/canvas/Grid.h.

Referenced by Grid(), initialize(), makeGeographicGrid(), makePlanarGrid(), and redraw().

QFont te::qt::widgets::Grid::m_font

protected

Font to be used.

Definition at line 221 of file qt/widgets/canvas/Grid.h.

Referenced by getFont(), redraw(), and setFont().

int te::qt::widgets::Grid::m_geoSrid

protected

Geographic SRID being used to reproject the world box to a geographic coordinate system.

Definition at line 219 of file qt/widgets/canvas/Grid.h.

Referenced by makeGeographicGrid(), and redraw().

std::vector<te::gm::LineString> te::qt::widgets::Grid::m_hlines

protected

Grid lines.

Definition at line 216 of file qt/widgets/canvas/Grid.h.

Referenced by makeGeographicGrid(), makePlanarGrid(), and redraw().

double te::qt::widgets::Grid::m_horizontalGap

protected

Distance between lines in x-axis.

Definition at line 212 of file qt/widgets/canvas/Grid.h.

Referenced by makeGeographicGrid(), and makePlanarGrid().

double te::qt::widgets::Grid::m_initialX

protected

Initial coordinate in x-axis.

Definition at line 213 of file qt/widgets/canvas/Grid.h.

Referenced by makeGeographicGrid(), and makePlanarGrid().

double te::qt::widgets::Grid::m_initialY

protected

Initial coordinate in y-axis.

Definition at line 214 of file qt/widgets/canvas/Grid.h.

Referenced by makeGeographicGrid(), and makePlanarGrid().

int te::qt::widgets::Grid::m_maxGap

protected

Maximum number of lines to be presented on the grid.

Definition at line 210 of file qt/widgets/canvas/Grid.h.

Referenced by makeGeographicGrid(), and makePlanarGrid().

int te::qt::widgets::Grid::m_srid

protected

SRID being used to reproject the world box to a planar coordinate system.

Definition at line 218 of file qt/widgets/canvas/Grid.h.

Referenced by initialize(), makeGeographicGrid(), makePlanarGrid(), and redraw().

GridTypes te::qt::widgets::Grid::m_type

protected

Type of the grid (planar or geographic).

Definition at line 222 of file qt/widgets/canvas/Grid.h.

Referenced by getType(), initialize(), redraw(), and setGridType().

double te::qt::widgets::Grid::m_verticalGap

protected

Distance between lines in y-axis.

Definition at line 211 of file qt/widgets/canvas/Grid.h.

Referenced by makeGeographicGrid(), and makePlanarGrid().

std::vector<te::gm::LineString> te::qt::widgets::Grid::m_vlines

protected

Grid lines.

Definition at line 217 of file qt/widgets/canvas/Grid.h.

Referenced by makeGeographicGrid(), makePlanarGrid(), and redraw().

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

Public Slots

Signals

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation