Implements the low level Qt functionalities of the map widget. Inherits from Ui_mapWidget (generated from an ui file) and QWidget. More...

#include <stdr_map_loader.h>

Public Member Functions
	CMapLoader (int argc, char **argv)
	Default contructor.
void	drawGrid (QImage *img, float resolution)
	Draws a grid in an image.
QPoint	getGlobalPoint (QPoint p)
	Calculates the "real" point in the image.
void	moveDirectionally (int key)
	Updates the image center by moving directionally.
void	resetZoom (void)
	Resets the zoom of the image.
void	resizeEvent (QResizeEvent *e)
	Captures the resize event.
void	setInitialImageSize (QSize s)
	Sets the initial image size.
void	updateCenter (QPoint p)
	Updates the image center.
void	updateImage (QImage *img)
	Updates the image.
void	updateZoom (QPoint p, bool zoomIn)
	Updates the zoom of the image.
Private Member Functions
std::pair< int, int >	checkDimensions (int w, int h)
	Return the dimensions according to the container size.
QPoint	pointUnscaled (QPoint p)
	Unscales the input point.
Private Attributes
int	argc_
	< Number of input arguments
char **	argv_
	Current zoom. Calculated as pow(2,zoom_) * initial image size.
QSize	initial_image_size_
QImage *	internal_img_
	The upper left point of map visualization.
QPoint	map_max_
	The original image size.
QPoint	map_min_
	The lower right point of map visualization.
int	zoom_
	Internal image used before a map is loaded.

Detailed Description

Implements the low level Qt functionalities of the map widget. Inherits from Ui_mapWidget (generated from an ui file) and QWidget.

Definition at line 40 of file stdr_map_loader.h.

Constructor & Destructor Documentation

stdr_gui::CMapLoader::CMapLoader	(	int	argc,
		char **	argv
	)

Default contructor.

Parameters:

argc	[int] Number of input arguments
argv	[char **] Input arguments

Returns:: void

Definition at line 32 of file stdr_map_loader.cpp.

Member Function Documentation

std::pair< int, int > stdr_gui::CMapLoader::checkDimensions	(	int	w,
		int	h
	)		`[private]`

Return the dimensions according to the container size.

Parameters:

w	[int] Image width
h	[int] Image height

Returns:: std::pair<int,int> : The size the map must be resized to

Definition at line 59 of file stdr_map_loader.cpp.

void stdr_gui::CMapLoader::drawGrid	(	QImage *	img,
		float	resolution
	)

Draws a grid in an image.

Parameters:

img	[QImage*] The image for the grid to be drawn on
resolution	[float] The map resolution

Returns:: void

Definition at line 108 of file stdr_map_loader.cpp.

QPoint stdr_gui::CMapLoader::getGlobalPoint ( QPoint p )

Calculates the "real" point in the image.

Parameters:

p	[QPoint] The point to be translated

Returns:: QPoint : The new point

Definition at line 304 of file stdr_map_loader.cpp.

void stdr_gui::CMapLoader::moveDirectionally ( int key )

Updates the image center by moving directionally.

Parameters:

key	[int] The key pressed

Returns:: void

Definition at line 196 of file stdr_map_loader.cpp.

QPoint stdr_gui::CMapLoader::pointUnscaled ( QPoint p ) [private]

Unscales the input point.

Parameters:

p	[QPoint] Point of an event in the adjusted map

Returns:: QPoint : The same point in the original map

Definition at line 274 of file stdr_map_loader.cpp.

void stdr_gui::CMapLoader::resetZoom ( void )

Resets the zoom of the image.

Returns:: void

Definition at line 292 of file stdr_map_loader.cpp.

void stdr_gui::CMapLoader::resizeEvent ( QResizeEvent * e )

Captures the resize event.

Parameters:

e	[QResizeEvent*] The resize event

Returns:: void

Definition at line 48 of file stdr_map_loader.cpp.

void stdr_gui::CMapLoader::setInitialImageSize ( QSize s )

Sets the initial image size.

Parameters:

s	[QSize] The initial image size

Returns:: void

Definition at line 319 of file stdr_map_loader.cpp.

void stdr_gui::CMapLoader::updateCenter ( QPoint p )

Updates the image center.

Parameters:

p	[QPoint] The new center

Returns:: void

Definition at line 230 of file stdr_map_loader.cpp.

void stdr_gui::CMapLoader::updateImage ( QImage * img )

Updates the image.

Parameters:

img	[QImage*] The image to be updated

Returns:: void

Definition at line 83 of file stdr_map_loader.cpp.

void stdr_gui::CMapLoader::updateZoom	(	QPoint	p,
		bool	zoomIn
	)

Updates the zoom of the image.

Parameters:

p	[QPoint] The point of the zoom event
zoomIn	[bool] True if zoom in, false if zoom out

Returns:: void

Definition at line 129 of file stdr_map_loader.cpp.

Member Data Documentation

int stdr_gui::CMapLoader::argc_ [private]

< Number of input arguments

Input arguments

Definition at line 48 of file stdr_map_loader.h.

char** stdr_gui::CMapLoader::argv_ [private]

Current zoom. Calculated as pow(2,zoom_) * initial image size.

Definition at line 50 of file stdr_map_loader.h.

QSize stdr_gui::CMapLoader::initial_image_size_ [private]

Definition at line 63 of file stdr_map_loader.h.

QImage* stdr_gui::CMapLoader::internal_img_ [private]

The upper left point of map visualization.

Definition at line 56 of file stdr_map_loader.h.

QPoint stdr_gui::CMapLoader::map_max_ [private]

The original image size.

Definition at line 62 of file stdr_map_loader.h.

QPoint stdr_gui::CMapLoader::map_min_ [private]

The lower right point of map visualization.

Definition at line 59 of file stdr_map_loader.h.

int stdr_gui::CMapLoader::zoom_ [private]

Internal image used before a map is loaded.

Definition at line 53 of file stdr_map_loader.h.

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

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation