A Canvas is an area where the graphics representation of Francy live.
Please see Francy-JS for client implementation.
In this section we show all Francy Canvas Categories.
‣ IsCanvas( arg ) | ( filter ) |
Returns: true or false
Identifies Canvas objects.
‣ IsCanvasDefaults( arg ) | ( filter ) |
Returns: true or false
Identifies CanvasDefaults objects.
In this section we show all Francy Canvas Families.
In this section we show all Francy Canvas Representations.
‣ IsCanvasRep( arg ) | ( filter ) |
Returns: true or false
Checks whether an Object has a Canvas internal representation.
‣ IsCanvasDefaultsRep( arg ) | ( filter ) |
Returns: true or false
Checks whether an Object has a CanvasDefaults internal representation.
In this section we show all Francy Canvas Operations.
‣ Canvas( IsString(title)[, IsCanvasDefaults] ) | ( operation ) |
Returns: Callback
Canvas represents a base element to draw graphics on. Inspired by the HTML canvas tag element which is used to draw graphics, in runtime, via JavaScript. Examples:
Create a simple Canvas:
gap> canvas := Canvas(""); gap> Id(canvas); gap> SetTitle(canvas, "Quaternion Group Subgroup Lattice"); gap> Title(canvas); gap> SetHeight(canvas, 400); # default 600 gap> Height(canvas); gap> SetWidth(canvas, 400); # default 800 gap> Width(canvas); gap> SetZoomToFit(canvas, false); # default true gap> ZoomToFit(canvas); gap> Draw(canvas);
‣ Add( IsCanvas[, IsFrancyGraph, List(IsFrancyGraph)] ) | ( operation ) |
Returns: Canvas
Adds a FrancyGraph to a specific Canvas. Well, the api is abstract enough to allow Adding a list of IsFrancyGraph to a canvas, but this results in setting the graph property only to the last IsFrancyGraph in the list.
‣ Remove( IsCanvas[, IsFrancyGraph, List(IsFrancyGraph)] ) | ( operation ) |
Returns: Canvas
Removes a FrancyGraph from a Canvas.
‣ Add( IsCanvas[, IsChart, List(IsChart)] ) | ( operation ) |
Returns: Canvas
Adds a Chart to a specific Canvas. Well, the api is abstract enough to allow Adding a list of IsChart to a canvas, but this results in setting the graph property only to the last IsChart in the list.
‣ Remove( IsCanvas[, IsChart, List(IsChart)] ) | ( operation ) |
Returns: Canvas
Removes a Chart from a Canvas.
‣ Add( IsCanvas[, IsMenu, List(IsMenu)] ) | ( operation ) |
Returns: Canvas
Adds a Menu to a specific Canvas.
‣ Remove( IsCanvas[, IsMenu, List(IsMenu)] ) | ( operation ) |
Returns: Canvas
Removes a Menu from a Canvas.
‣ Add( IsCanvas[, IsFrancyMessage, List(IsFrancyMessage)] ) | ( operation ) |
Returns: IsCanvas
Adds a FrancyMessage to a specific IsCanvas.
‣ Remove( IsCanvas[, IsFrancyMessage, List(IsFrancyMessage)] ) | ( operation ) |
Returns: IsCanvas
Removes a FrancyMessage from a specific IsCanvas.
‣ Draw( IsCanvas ) | ( operation ) |
Returns: rec with json representation of the canvas
Generates the JSON representation of the canvas and children objects
‣ DrawSplash( IsCanvas ) | ( operation ) |
Returns: rec with html generated
Generates an HTML page and opens it within the default browser of the system
In this section we show all Global Francy Canvas Records for multi purpose.
In this section we show the Francy Attributes
‣ Width( arg ) | ( attribute ) |
Returns: IsPosInt
The Width of the canvas in pixels
‣ Width( arg1 ) | ( operation ) |
‣ SetWidth( IsCanvas, IsPosInt ) | ( operation ) |
Sets the Width of the canvas in pixels
‣ Height( arg ) | ( attribute ) |
Returns: IsPosInt
The Height of the canvas in pixels
‣ Height( arg1 ) | ( operation ) |
‣ SetHeight( IsCanvas, IsPosInt ) | ( operation ) |
Sets the Height of the canvas in pixels
‣ ZoomToFit( arg ) | ( attribute ) |
Returns: IsBool True if enabled otherwise False
ZoomToFit is a property that sets the zoom to fit behavior on change in the client implementation.
‣ ZoomToFit( arg1 ) | ( operation ) |
‣ SetZoomToFit( IsCanvas, IsBool ) | ( operation ) |
ZoomToFit is a property that sets the zoom to fit behavior on change in the client.
‣ Title( arg ) | ( attribute ) |
Returns: IsString with the title of the object
A title on a required arg is used to ask the user what is expected from his input.
‣ Title( arg1 ) | ( operation ) |
‣ SetTitle( IsCanvas, IsString ) | ( operation ) |
Sets the title of the required arg.
‣ TexTypesetting( arg ) | ( attribute ) |
Returns: IsBool with the title of the object
Enables usage of Tex typestting on the client implementation, if supported.
‣ TexTypesetting( arg1 ) | ( operation ) |
‣ SetTexTypesetting( IsCanvas, IsBool ) | ( operation ) |
Sets Tex typestting on the canvas objects
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