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Drawing (Core)

List of types:

Bitmap
Canvas
Path
Rect

Bitmap

An object that holds an image. You can use ImageView to show an image.

Events:

None

Members:

Height As Float [read only]

Initialize (Dir As String, FileName As String)

Initialize2 (InputStream As InputStream)

IsInitialized As Boolean

Tag As Object

Width As Float [read only]

WriteToStream (OutputStream As OutputStream, Quality As Int, Format As String)

Members description:

Canvas is used for drawing over other views.
The drawings will only be updated after a call to Canvas.Refresh. Note that you should call Canvas.Release when it is no longer used.
If the hosting is resized then the canvas should be released and initialized again.

Events:

None

Members:

ClipPath (Path As Path)

CreateBitmap As Bitmap

DrawBitmap (Bitmap As Bitmap, DestRect As Rect)

DrawBitmapRotated (Bitmap As Bitmap, DestRect As Rect, Degrees As Float)

DrawCircle (x As Float, y As Float, Radius As Float, Color As Int, Filled As Boolean, StrokeWidth As Float)

DrawColor (Color As Int)

DrawLine (x1 As Float, y1 As Float, x2 As Float, y2 As Float, Color As Int, StrokeWidth As Float)

DrawPath (Path As Object, Color As Int, Filled As Boolean, StrokeWidth As Float)

DrawPDF (Document As PDFDocument, PageNumber As Int, DestRect As Rect)

DrawRect (Rect1 As Rect, Color As Int, Filled As Boolean, StrokeWidth As Float)

DrawRectRotated (Rect1 As Rect, Color As Int, Filled As Boolean, StrokeWidth As Float, CornersRadius As Float, Degrees As Float)

DrawRectRounded (Rect1 As Rect, Color As Int, Filled As Boolean, StrokeWidth As Float, CornersRadius As Float)

DrawText (Text As String, x As Float, y As Float, Font As Font, Color As Int, Align As String)

DrawTextRotated (Text As String, x As Float, y As Float, Font As Font, Color As Int, Align As String, Degrees As Float)

DrawView (View As Object, DestRect As Rect)

FillGradient (x1 As Float, y1 As Float, x2 As Float, y2 As Float, Colors As List)

Initialize (View As View)

InitializePDF (Dir As String, FileName As String, Width As Float, Height As Float)

NextPDFPage

Refresh

Release

RemoveClip

TargetRect As Rect [read only]

TileBitmap (Bitmap As Bitmap, DestRect As Rect)

View As View [read only]

Members description:

ClipPath (Path As Path)

Clips the drawing to the specified path. Call RemoveClip to remove the clip.

CreateBitmap As Bitmap

Creates a new Bitmap from the canvas layer.

DrawBitmap (Bitmap As Bitmap, DestRect As Rect)

Draws the specified bitmap in the DestRect rectangle.

DrawBitmapRotated (Bitmap As Bitmap, DestRect As Rect, Degrees As Float)

DrawCircle (x As Float, y As Float, Radius As Float, Color As Int, Filled As Boolean, StrokeWidth As Float)

Draws a circle.
x / y - Circle center.
Radius - Circle radius.
Color - Drawing color.
Filled - Whether to fill the circle interior.
StrokeWidth - The circle border width.

DrawColor (Color As Int)

Fills the entire canvas with the given color. Note that you can use ClipPath to clip the drawings to a specific region.

DrawLine (x1 As Float, y1 As Float, x2 As Float, y2 As Float, Color As Int, StrokeWidth As Float)

Draws a line between two points.
x1, y1 - Starting point.
x2, y2 - End point.
Color - Drawing color.
StrokeWidth - Line width.

DrawPath (Path As Object, Color As Int, Filled As Boolean, StrokeWidth As Float)

Draws or fills the given path.
Path - The Path that will be filled or drawn.
Colors - Drawing color.
Filled - Whether to fill the path.
StrokeWidth - The border drawing width.

DrawPDF (Document As PDFDocument, PageNumber As Int, DestRect As Rect)

Draws a PDF page in the DestRect rectangle.
Document - PDF Document.
PageNumber - The page to draw. Note that the first page number is 1.
DestRect - Destination rectangle.

DrawRect (Rect1 As Rect, Color As Int, Filled As Boolean, StrokeWidth As Float)

Draws a rectangle.
Rect1 - Rectangle coordinates.
Color - Drawing color.
Filled - Whether to fill the rectangle interior.
StrokeWidth - The rectangle border width.

DrawRectRotated (Rect1 As Rect, Color As Int, Filled As Boolean, StrokeWidth As Float, CornersRadius As Float, Degrees As Float)

DrawRectRounded (Rect1 As Rect, Color As Int, Filled As Boolean, StrokeWidth As Float, CornersRadius As Float)

DrawText (Text As String, x As Float, y As Float, Font As Font, Color As Int, Align As String)

Draws the given text.
Text - Text to draw.
x, y - Origin point.
Font - Font to use for drawing.
Color - Drawing color.
Align - Text alignment related to the origin point. One of the following values: LEFT, CENTER or RIGHT.

DrawTextRotated (Text As String, x As Float, y As Float, Font As Font, Color As Int, Align As String, Degrees As Float)

DrawView (View As Object, DestRect As Rect)

Draws the given view in the DestRect rectangle.

FillGradient (x1 As Float, y1 As Float, x2 As Float, y2 As Float, Colors As List)

Paints a gradient fill along the two points.
x1, y1 - Starting point.
x2, y2 - End point.
Colors - A list (or array) with the gradient colors.

Initialize (View As View)

Initializes the canvas with the view that it will draw on.

InitializePDF (Dir As String, FileName As String, Width As Float, Height As Float)

Initializes a canvas that will create a PDF document. The default size of PDF documents is 612 x 792.
Dir / FileName - PDF file to create.
Width - Document width.
Height Document height;

NextPDFPage

Moves the canvas to the next page. Should only be used when the canvas was initialized with InitializePDF.

Refresh

Applies the changes done. You must call Refresh for the drawings to be applied.

Release

Releases the canvas resources. You can safely call this method multiple times or before the canvas was initialized.

RemoveClip

Removes the last clipping set with ClipPath.

TargetRect As Rect [read only]

Returns the canvas drawing rectangle;

TileBitmap (Bitmap As Bitmap, DestRect As Rect)

Tiles the given bitmap in the DestRect rectangle. Note that the bitmap will be drawn upside down.

View As View [read only]

Gets the attached view.

Path

Path is used together with Canvas to allow the drawing to be clipped to a polygon.

Events:

None

Members:

Initialize (x As Float, y As Float)

InitializeRect (Rect1 As Rect, CornerRadius As Float)

IsInitialized As Boolean

LineTo (x As Float, y As Float) As Path

Tag As Object

Members description:

Initialize (x As Float, y As Float)

Initializes the Path and sets the initial position.

InitializeRect (Rect1 As Rect, CornerRadius As Float)

Initializes a path based on the given rectangle.
CornerRadius - Corners radius for rounded rectangles.

IsInitialized As Boolean

Tests whether this object was initialized.

LineTo (x As Float, y As Float) As Path

Adds a line from the current point to the specified point.

Tag As Object

Gets or sets the Tag object. This is a placeholder for any object you like to tie to this object.

Rect

An object that represents a rectangle. Mainly used with Canvas.

Events:

None

Members:

Bottom As Float

CenterX As Float [read only]

CenterY As Float [read only]

Height As Float

Initialize (Left As Float, Top As Float, Right As Float, Bottom As Float)

IsInitialized As Boolean

Left As Float

Right As Float

ToCGRect As Object

Top As Float

Drawing (Core)

List of types:

Bitmap

Events:

Members:

Members description:

Height As Float [read only]

Initialize (Dir As String, FileName As String)

Initialize2 (InputStream As InputStream)

IsInitialized As Boolean

Tag As Object

Width As Float [read only]

WriteToStream (OutputStream As OutputStream, Quality As Int, Format As String)

Canvas

Events:

Members:

Members description:

ClipPath (Path As Path)

CreateBitmap As Bitmap

DrawBitmap (Bitmap As Bitmap, DestRect As Rect)

DrawBitmapRotated (Bitmap As Bitmap, DestRect As Rect, Degrees As Float)

DrawCircle (x As Float, y As Float, Radius As Float, Color As Int, Filled As Boolean, StrokeWidth As Float)

DrawColor (Color As Int)

DrawLine (x1 As Float, y1 As Float, x2 As Float, y2 As Float, Color As Int, StrokeWidth As Float)

DrawPath (Path As Object, Color As Int, Filled As Boolean, StrokeWidth As Float)

DrawPDF (Document As PDFDocument, PageNumber As Int, DestRect As Rect)

DrawRect (Rect1 As Rect, Color As Int, Filled As Boolean, StrokeWidth As Float)

DrawRectRotated (Rect1 As Rect, Color As Int, Filled As Boolean, StrokeWidth As Float, CornersRadius As Float, Degrees As Float)

DrawRectRounded (Rect1 As Rect, Color As Int, Filled As Boolean, StrokeWidth As Float, CornersRadius As Float)

DrawText (Text As String, x As Float, y As Float, Font As Font, Color As Int, Align As String)

DrawTextRotated (Text As String, x As Float, y As Float, Font As Font, Color As Int, Align As String, Degrees As Float)

DrawView (View As Object, DestRect As Rect)

FillGradient (x1 As Float, y1 As Float, x2 As Float, y2 As Float, Colors As List)

Initialize (View As View)

InitializePDF (Dir As String, FileName As String, Width As Float, Height As Float)

NextPDFPage

Refresh

Release

RemoveClip

TargetRect As Rect [read only]

TileBitmap (Bitmap As Bitmap, DestRect As Rect)

View As View [read only]

Path

Events:

Members:

Members description:

Initialize (x As Float, y As Float)

InitializeRect (Rect1 As Rect, CornerRadius As Float)

IsInitialized As Boolean

LineTo (x As Float, y As Float) As Path

Tag As Object

Rect

Events:

Members:

Members description:

Bottom As Float

CenterX As Float [read only]

CenterY As Float [read only]

Height As Float

Initialize (Left As Float, Top As Float, Right As Float, Bottom As Float)

IsInitialized As Boolean

Left As Float

Right As Float

ToCGRect As Object

Top As Float

Width As Float