---
name: "GnoCanvas.canvas"
section: "3o"
platform: "linux"
package: "liblablgtk2-ocaml-doc"
version: "2.4.0v0.2tv-8"
release: "Debian 5.0 (Lenny)"
platforms: ["linux"]
url: "https://new.carta.tech/GnoCanvas.canvas"
---

# GnoCanvas.canvas(3o)

no description

## NAME

GnoCanvas.canvas - no description

## Class

Class   GnoCanvas.canvas

## Documentation

*class canvas :* **GnomeCanvas.canvas Gtk.obj -\> object end**

**Parameters:**

""

**GnomeCanvas.canvas Gtk.obj**

*val obj :* **GnomeCanvas.canvas Gtk.obj**

*method aa :* **bool**

*method c2w :* **cx:float -\> cy:float -\> float \* float**

*method get\_center\_scroll\_region :* **bool**

*method get\_item\_at :* **x:float -\> y:float -\> GnoCanvas.base\_item**

**Raises Not\_found** .

*method get\_scroll\_offsets :* **int \* int**

*method get\_scroll\_region :* **float array**

*method root :* **GnoCanvas.group**

*method scroll\_to :* **x:int -\> y:int -\> unit**

*method set\_center\_scroll\_region :* **bool -\> unit**

*method set\_pixels\_per\_unit :* **float -\> unit**

*method set\_scroll\_region :* **x1:float -\> y1:float -\> x2:float -\> y2:float -\> unit**

*method update\_now :* **unit -\> unit**

*method w2c :* **wx:float -\> wy:float -\> int \* int**

*method w2c\_affine :* **float array**

*method w2c\_d :* **wx:float -\> wy:float -\> float \* float**

*method window\_to\_world :* **winx:float -\> winy:float -\> float \* float**

*method world\_to\_window :* **wox:float -\> woy:float -\> float \* float**