Gdk.DrawingContext – gdk-3.0 – Vala Binding Reference

Description:

[ CCode ( type_id = "gdk_drawing_context_get_type ()" ) ]
public class DrawingContext : Object

DrawingContext is an object that represents the current drawing state of a Window.

It's possible to use a DrawingContext to draw on a Window via rendering API like Cairo or OpenGL.

A DrawingContext can only be created by calling begin_draw_frame and will be valid until a call to end_draw_frame.

DrawingContext is available since GDK 3.22

Namespace: Gdk

Package: gdk-3.0

Content:

Properties:

public Region clip { owned get; construct; }

The clip region applied to the drawing context.

public Window window { get; construct; }

The Window that created the drawing context.

Creation methods:

Methods:

public unowned Context get_cairo_context ()

Retrieves a Cairo context to be used to draw on the Window that created the DrawingContext.

public Region? get_clip ()

Retrieves a copy of the clip region used when creating the this.

public unowned Window get_window ()

Retrieves the window that created the drawing this.

public bool is_valid ()

Checks whether the given DrawingContext is valid.

Inherited Members:

All known members inherited from class GLib.Object

DrawingContext