`TfpgCanvasImpl`

`TfpgX11Canvas`
		Create
		Destroy
		CopyRect

`TfpgCanvasBase`
		Create
		Destroy
		DrawRectangle
		DrawLine
		DrawLineClipped
		ClipLine
		DrawImage
		DrawImagePart
		DrawArc
		DrawPolygon
		StretchDraw
		CopyRect
		DrawString
		FillRectangle
		FillTriangle
		FillArc
		GradientFill
		XORFillRectangle
		SetClipRect
		GetClipRect
		GetLineWidth
		AddClipRect
		ClearClipRect
		Clear
		GetWinRect
		SetColor
		SetTextColor
		SetLineStyle
		SetFont
		BeginDraw
		EndDraw
		FreeResources