C# Класс LongoMatch.Drawing.Canvas

A canvas stores ICanvasObject's and draws them.

Наследование: ICanvas

Защищенные свойства (Protected)

Свойство	Тип	Описание
tk	IDrawingToolkit
widget	IWidget

Открытые методы

Метод	Описание
AddObject ( ICanvasObject co ) : void	Adds a new object to the canvas and a listener to its redraw event.
Canvas ( IWidget widget ) : System
Dispose ( ) : void
Draw ( IContext context, Area area ) : void	Draws the canvas objects the specified context and area. Object are drawn in the following order: 1) Regular objects 2) Selected objects 3) Highlithed objects
RemoveObject ( ICanvasObject co ) : void	Removes and object from the canvas.

Защищенные методы

Метод	Описание
Begin ( IContext context ) : void	Must be called before any drawing operation is performed to apply transformation, scalling and clipping.
ClearObjects ( ) : void	Removes all the objects from the canvas.
Dispose ( bool disposing ) : void
End ( ) : void	Must be called after drawing operations to restore the context
HandleRedrawEvent ( ICanvasObject co, Area area ) : void
HandleSizeChangedEvent ( ) : void
ToUserCoords ( Point p ) : Point	Converts a point to the original position removing the applied tanslation and invering the scale.

Описание методов

AddObject() публичный Метод

Adds a new object to the canvas and a listener to its redraw event.

public AddObject ( ICanvasObject co ) : void
co	ICanvasObject	The object to add.
Результат	void

Begin() защищенный Метод

Must be called before any drawing operation is performed to apply transformation, scalling and clipping.

protected Begin ( IContext context ) : void
context	IContext	Context to draw
Результат	void

Canvas() публичный Метод

public Canvas ( IWidget widget ) : System
widget	IWidget
Результат	System

ClearObjects() защищенный Метод

Removes all the objects from the canvas.

protected ClearObjects ( ) : void
Результат	void

Dispose() публичный Метод

public Dispose ( ) : void
Результат	void

Dispose() защищенный Метод

protected Dispose ( bool disposing ) : void
disposing	bool
Результат	void

Draw() публичный Метод

Draws the canvas objects the specified context and area. Object are drawn in the following order: 1) Regular objects 2) Selected objects 3) Highlithed objects

public Draw ( IContext context, Area area ) : void
context	IContext	The context where the canvas is drawn.
area	LongoMatch.Core.Common.Area	The affected area.
Результат	void

End() защищенный Метод

Must be called after drawing operations to restore the context

protected End ( ) : void
Результат	void

HandleRedrawEvent() защищенный Метод

protected HandleRedrawEvent ( ICanvasObject co, Area area ) : void
co	ICanvasObject
area	LongoMatch.Core.Common.Area
Результат	void

HandleSizeChangedEvent() защищенный Метод

protected HandleSizeChangedEvent ( ) : void
Результат	void

RemoveObject() публичный Метод

Removes and object from the canvas.

public RemoveObject ( ICanvasObject co ) : void
co	ICanvasObject	The object to remove.
Результат	void

ToUserCoords() защищенный Метод

Converts a point to the original position removing the applied tanslation and invering the scale.

protected ToUserCoords ( Point p ) : Point
p	Point	The point to convert.
Результат	Point

Описание свойств

tk защищенное свойство

protected IDrawingToolkit tk
Результат	IDrawingToolkit

widget защищенное свойство

protected IWidget widget
Результат	IWidget