Class Canvas

Represents the canvas that contains shapes.

Inheritance
System.Object
EntityBase
XDLSSerializableBase
WidgetBase
ParagraphItem
Canvas
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: Syncfusion.DLS
Assembly: Syncfusion.DLS.Base.dll
Syntax
public class Canvas : ParagraphItem, IXDLSSerializable, ICanvas, IParagraphItem, IEntityBase, ISplitLeafWidget, ILeafWidget, IWidget
Remarks

Supported by Essential PDF only.

Constructors

Canvas(Document)

Initializing constructor

Declaration
public Canvas(Document doc)
Parameters
Type Name Description
Document doc

Properties

BorderColor

Gets / sets border color

Declaration
public Color BorderColor { get; set; }
Property Value
Type
System.Drawing.Color

Height

Gets / sets canvas height

Declaration
public float Height { get; set; }
Property Value
Type
System.Single

Shapes

Gets canvas shapes collection.

Declaration
public ShapeCollection Shapes { get; }
Property Value
Type
ShapeCollection

Size

Gets / sets size of the canvas.

Declaration
public SizeF Size { get; set; }
Property Value
Type
System.Drawing.SizeF

Width

Gets / sets canvas width

Declaration
public float Width { get; set; }
Property Value
Type
System.Single

Methods

AddArc()

Creates Arc shape and adds it to collection.

Declaration
public ArcShape AddArc()
Returns
Type Description
ArcShape

Created Arc shape.
Remarks

Coordinates of this shape needs to be set to correctly display this shape on the canvas.

AddBezier()

Creates Bezier curve shape and adds it to collection.

Declaration
public BezierShape AddBezier()
Returns
Type Description
BezierShape

Created Bezier curve shape.
Remarks

Coordinates of this shape needs to be set to correctly display this shape on the canvas.

AddEllipse()

Creates Ellipse shape and adds it to collection.

Declaration
public EllipseShape AddEllipse()
Returns
Type Description
EllipseShape

Created Ellipse shape.
Remarks

Coordinates of this shape needs to be set to correctly display this shape on the canvas.

AddImage(Image)

Creates Image shape and adds it to collection.

Declaration
public ImageShape AddImage(Image image)
Parameters
Type Name Description
System.Drawing.Image image

Image object.
Returns
Type Description
ImageShape

Created Image shape.
Remarks

Coordinates of this shape needs to be set to correctly display this shape on the canvas.

AddLine()

Creates Line shape and adds it to collection.

Declaration
public LineShape AddLine()
Returns
Type Description
LineShape

Created Line shape.
Remarks

Coordinates of this shape needs to be set to correctly display this shape on the canvas.

AddPath()

Creates Path shape and adds it to collection.

Declaration
public PathShape AddPath()
Returns
Type Description
PathShape

Created Path shape.
Remarks

Coordinates of this shape needs to be set to correctly display this shape on the canvas.

AddPie()

Creates Pie shape and adds it to collection.

Declaration
public PieShape AddPie()
Returns
Type Description
PieShape

Created Pie shape.
Remarks

Coordinates of this shape needs to be set to correctly display this shape on the canvas.

AddPolygon()

Creates Polygon shape and adds it to collection.

Declaration
public PolygonShape AddPolygon()
Returns
Type Description
PolygonShape

Created Polygon shape.
Remarks

Coordinates of this shape needs to be set to correctly display this shape on the canvas.

AddRectangle()

Creates Rectangle shape and adds it to collection.

Declaration
public RectangleShape AddRectangle()
Returns
Type Description
RectangleShape

Created Rectangle shape.
Remarks

Coordinates of this shape needs to be set to correctly display this shape on the canvas.

AddShape(ShapeType)

Adds a new shape to the canvas.

Declaration
public Shape AddShape(ShapeType shapeType)
Parameters
Type Name Description
ShapeType shapeType
Returns
Type
Shape

AddText(String)

Creates Text shape and adds it to collection.

Declaration
public TextShape AddText(string text)
Parameters
Type Name Description
System.String text

Text data of the shape.
Returns
Type Description
TextShape

Created Text shape.
Remarks

Coordinates of this shape needs to be set to correctly display this shape on the canvas.

Clone(IParagraph)

Clones itself.

Declaration
public override IParagraphItem Clone(IParagraph paragraph)
Parameters
Type Name Description
IParagraph paragraph
Returns
Type
IParagraphItem
Overrides

CreateLayoutInfo()

Declaration
protected override void CreateLayoutInfo()
Overrides

Draw(CustomGraphics, LayoutedWidget)

Declaration
public virtual void Draw(CustomGraphics cg, LayoutedWidget ltWidget)
Parameters
Type Name Description
CustomGraphics cg
LayoutedWidget ltWidget

InitXDLSHolder()

Declaration
protected override void InitXDLSHolder()
Overrides

Measure(CustomGraphics)

Declaration
public SizeF Measure(CustomGraphics graphics)
Parameters
Type Name Description
CustomGraphics graphics
Returns
Type
System.Drawing.SizeF

ReadXmlAttributes(IXDLSAttributeReader)

Overloaded. Reads XML attributes.

Declaration
protected override void ReadXmlAttributes(IXDLSAttributeReader reader)
Parameters
Type Name Description
IXDLSAttributeReader reader

Reader object.
Overrides

SplitByOffset(CustomGraphics, SizeF)

Declaration
public ISplitLeafWidget[] SplitByOffset(CustomGraphics graphics, SizeF offset)
Parameters
Type Name Description
CustomGraphics graphics
System.Drawing.SizeF offset
Returns
Type
ISplitLeafWidget[]

WriteXmlAttributes(IXDLSAttributeWriter)

Declaration
protected override void WriteXmlAttributes(IXDLSAttributeWriter writer)
Parameters
Type Name Description
IXDLSAttributeWriter writer
Overrides

Implements