Image : Component

Image Control. It defines bittmap or vector image.

Properties

• bg : BGDrawing
  Background drawing, it holds instance of BGDrawing to decorate background.
• bgPressed : BGDrawing
  
• border : Drawing
  Border drawing, it holds instance of Drawing to decorate border.
• defaults : Object
  Sets default controls options.
• fg : TextDrawing
  Foreground drawing, it holds instance of TextDrawing object to decorate text of Control.
• fgPressed : TextDrawing
  
• height : Integer
  Height of the Image (in pixels). Size of picture is recalculated based on the size of container(Moscrif view).
• initialisation : Boolean
  Initialisation in progress.
• layout : StackLayout
  StackLayout used to layout elements into the object.
• left : Integer
  X - coordinates of Control's position.
• name : String
  Name of the Control.
• native : Any
  Native, instance of native UI object(View,ScrollView,Window).
• options : Object
  Position of navigation bar.
• paint : Paint
  Paint property to decorate Image.
• parent : Any
  Parent, instance of native UI object where current Control is assigned. Basicaly is a container where control was added.(View,ScrollView,>Window)
• skipDrawing : Boolean
  Skip control drawing. It used if control is part of composite control what manage drawing bu itself.
• source : Any
  Source of the image. It allows instane of bitmap or instance of Path. If string is given, it tries to create bitmap from string location.
• stretch : Symbol
  Gets or sets if the view's width is stretchable.
• this
  Construct of the object calls following method in order.
• top : Integer
  Y - coordinates of control's position.
• visible : Boolean
  Visibility of the Control. Default is True.
• width : Integer
  Width of the Image (in pixels). Size of picture is recalculated based on the size of container(Moscrif view).

Methods

• add(control,order = #front) : Component
  Add child is not permitted in component.
• afterInit()
  After Init Control, set control defaults from current theme setting.
• afterInitControls
  Method is executed after init controls.
• beforeInit()
  After Init Control, set control defaults from current theme setting.
• beforeInitControls
  Method is executed before init controls.
• drawImage(canvas, left = 0, top = 0, paint = this._paint)
  Drawing of image to canvas.
• focusable() : Boolean
  Ability to have a focus.
• getChildrenBounds() : MultiValue
  Returns four values (left, top, right, bottom) of child's union content.
• getChildrenSize() : MultiValue
  Returns two values (width, height) of child's union content.
• hasFocus() : Boolean
  Returns true if this Control has focus. Otherwise, function returns false.
• icon(width, height) : Control
  Icon, other way how o set control image. It accept symbol of vector, location to bitmap, instance of bitmap or instance of path. This property can be used only if image is defined.
• init()
  Init Image controls.
• init()
  Init controls, native is Moscrif View.
• invalidate()
  This function ensure redrawing a rectangle, determined by parameters. Redrawing manages the function, which is set to onDraw event.
• invokeValidator(sender) : Function
  Invoke validation handler.
• performLayout()
  Performs (force) layout calculations.
• resize(w, h)
  Change image dimensions (do not keep aspect ratio).
• resumeLayout()
  Resume layer's recalculating.
• setFocus() : Control
  Function sets focus to the Control.
• setLocation(left, top) : Control
  Function to set control left and top position.
• setSize(width, height) : Control
  Function to set width and hight of control.
• suspendLayout()
  Pause layer's recalculating.
• undefined(k,v)
  Special property executed when priperty is undefined. It can be that JSON format is in format "key" : "value". Key is an string, so if this is the case methot return "value". Ass well as k is a regular property of the class it returns getter of this property.

Events

• onChar(sender,charCode) : Function
  This event is raised by release an UNICODE character key.
• onDraw(sender,canvas) : Function
  This event occurs, when it is necessary to redraw object. onDraw event is usually managed by skin.
• onKeyPressed(sender,key) : Function
  This event is raised by press the key.
• onKeyReleased(sender,key) : Function
  This event is raised by release the key.
• onPointerDragged(sender,x,y) : Function
  Called when touch (click) is moved.
• onPointerPressed(sender,x,y) : Fucntion
  Called when touch (click) is stared.
• onPointerReleased(sender,x,y) : Function
  Called when touch (click) is finished.
• onProcess : Function
  Callback function, which is called from the object every 25ms.
• onResize(sender,charCode) : Function
  Occurs when the control is resized.
• onValidate(sender) : Function
  On validate event, executed for each control.