C# Class Paint.PaintApp

The main application class just inherits from the monogame:Game class Override a few key methods and away we go...

Inheritance: BaseGame, IRenderTargertHandler

Show file Open project: RandolphBurt/MonoGame-iOS-SimplePaint Class Usage Examples

Public Methods

Method	Description
ForceSaveAndExit ( ) : void	Forces the immediate Shutdown and saving of state on this thread We must not change thread because we are probably going into the background and therefore the main UI thread will not come alive again until the app is back in teh foreground again
PaintApp ( IPictureIOManager pictureIOManager, IFilenameResolver filenameResolver, ImageStateData imageStateData, IUIBusyMessage saveBusyMessageDisplay, ToolboxLayoutDefinition toolboxLayoutDefinition, int deviceScale ) : System	Initializes a new instance of the Paint.PaintApp class. Instantiate our GraphicsDeviceManager and establish where the content folder is
RestoreSavePoint ( int savePoint ) : void	Restore the image held in the specified save point to the canvas/display
StoreSavePoint ( int savePoint ) : void	Save the canvas/display to the specified save-point (undo/redo render target).

Protected Methods

Method	Description
CreateRenderTargets ( ) : void	Creates the render targets (including all the undo buffers).
CreateToolbox ( ) : IToolBox	Creates the toolbox.
Draw ( GameTime gameTime ) : void	Called everytime we need to redraw the screen
LoadContent ( ) : void	We load any content we need at the beginning of the application life cycle. Also anything that needs initialising is done here
Update ( GameTime gameTime ) : void	Called often. Allows us to handle any user input (gestures on screen) and/or game time related work - e.g. moving an animation character based on elapsed time since last called etc

Private Methods

Method	Description
CreatePictureStateManager ( ) : void	Creates the picture state manager.
HandleInput ( ) : void	Handles any user input. Collect all gestures made since the last 'update' - stores these ready to be handled by the Canvas for drawing
InitiateShutdown ( ) : void	Initiates the shutdown process. We will display a 'busy' form/window -- we pass in a delegate/action to be run once the form has displayed
RenderImage ( RenderTarget2D target, RenderTarget2D source ) : void	Renders a specific source RenderTarget on to a specific target RenderTarget
SaveAndExit ( ) : void	Saves all the data and then exits.

Method Details

CreateRenderTargets() protected method

Creates the render targets (including all the undo buffers).

protected CreateRenderTargets ( ) : void
return	void

CreateToolbox() protected method

Creates the toolbox.

protected CreateToolbox ( ) : IToolBox
return	IToolBox

Draw() protected method

Called everytime we need to redraw the screen

protected Draw ( GameTime gameTime ) : void
gameTime	Microsoft.Xna.Framework.GameTime	/// Allows you to monitor time passed since last draw ///
return	void

ForceSaveAndExit() public method

Forces the immediate Shutdown and saving of state on this thread We must not change thread because we are probably going into the background and therefore the main UI thread will not come alive again until the app is back in teh foreground again

public ForceSaveAndExit ( ) : void
return	void

LoadContent() protected method

We load any content we need at the beginning of the application life cycle. Also anything that needs initialising is done here

protected LoadContent ( ) : void
return	void

PaintApp() public method

Initializes a new instance of the Paint.PaintApp class. Instantiate our GraphicsDeviceManager and establish where the content folder is

public PaintApp ( IPictureIOManager pictureIOManager, IFilenameResolver filenameResolver, ImageStateData imageStateData, IUIBusyMessage saveBusyMessageDisplay, ToolboxLayoutDefinition toolboxLayoutDefinition, int deviceScale ) : System
pictureIOManager	IPictureIOManager	Picture IO Manager
filenameResolver	IFilenameResolver	Filename Resolver
imageStateData	ImageStateData	ImageSaveData
saveBusyMessageDisplay	IUIBusyMessage	Class for dsplaying the 'Busy - saving' message
toolboxLayoutDefinition	Paint.ToolboxLayout.ToolboxLayoutDefinition	Layout of the toolbox
deviceScale	int	The device scale/resolution. 1 = normal. 2 = retina.
return	System

RestoreSavePoint() public method

Restore the image held in the specified save point to the canvas/display

public RestoreSavePoint ( int savePoint ) : void
savePoint	int	specific save point we wish to restore
return	void

StoreSavePoint() public method

Save the canvas/display to the specified save-point (undo/redo render target).

public StoreSavePoint ( int savePoint ) : void
savePoint	int	specific save point we wish to use to store the canvas
return	void

Update() protected method

Called often. Allows us to handle any user input (gestures on screen) and/or game time related work - e.g. moving an animation character based on elapsed time since last called etc

protected Update ( GameTime gameTime ) : void
gameTime	Microsoft.Xna.Framework.GameTime	/// Allows you to monitor time passed since last draw ///
return	void