DrawingController Class Reference

#include <DrawingController.h>

Public Member Functions
	DrawingController (Drawing *=NULL)
Drawing *	get_controlling ()
void	set_controlling (Drawing *)
void	draw ()
void	handle_input ()

Private Member Functions
void	add_new_shape (point2d point)
void	move_shape (point2d point)
void	resize_shape (int rel_width, int rel_height)
void	change_color ()
void	change_bg_color ()
color	rotate_hue (color)

Private Attributes
Drawing *	_controlling
drawing_element	_adding

Detailed Description

The DrawingController contains most of the logic controlling the application, it needs to know what Drawing object it is controlling

Constructor & Destructor Documentation

DrawingController::DrawingController

(

Drawing *

drawing = NULL

)

Initialises a new DrawingController

Parameters

drawing

the Drawing object it is controlling

Member Function Documentation

void DrawingController::add_new_shape ( point2d  point )

private

Adds a new shape centered at a point

Parameters

point

the point to add the shape

void DrawingController::change_bg_color ( )

private

Changes the hue of the colour of the background colour

void DrawingController::change_color ( )

private

Changes the hue of the colour of the selected shape

void DrawingController::draw

(

)

Draws all items on the screen needed for the program

Drawing * DrawingController::get_controlling

(

)

Gets the Drawing object the controller is controlling

Returns

the Drawing object the controller is controlling

void DrawingController::handle_input

(

)

Handles input and changes state of the program and the Drawing / Shapes it controls

void DrawingController::move_shape ( point2d  relative_movement )

private

Moves the selected shape by a relative amount

Parameters

relative_movement

the relative amount to move the shape

void DrawingController::resize_shape ( int  rel_width, int  rel_height  )

private

Resizes the selected shape by a relative amount

Parameters

rel_width	the relative change in width
rel_height	the relative change in height

color DrawingController::rotate_hue ( color  c )

private

Changes the colour by rotating the hue of the colour

Parameters

c	the original colour

Returns

the hue-altered colour

void DrawingController::set_controlling

(

Drawing *

drawing

)

Sets the Drawing object the controller is controlling

Parameters

drawing

the Drawing object to control

Member Data Documentation

drawing_element DrawingController::_adding

private

controls which shape subclass will be drawn to the screen

Drawing* DrawingController::_controlling

private

The Drawing object the controller is controlling

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

• src/DrawingController.h
• src/DrawingController.cpp