Class: Gsk::CrossFadeNode

Inherits:

RenderNode

• Object
• RenderNode
• Gsk::CrossFadeNode

Defined in:

(unknown)

Overview

A render node cross fading between two child nodes.

Instance Method Summary

• #end_child ⇒ Gsk::RenderNode

  Retrieves the child GskRenderNode at the end of the cross-fade.

• #initialize(start, end, progress) ⇒ Gsk::CrossFadeNode constructor

  Creates a GskRenderNode that will do a cross-fade between start and end.

• #progress ⇒ Gsk::gfloat

  Retrieves the progress value of the cross fade.

• #start_child ⇒ Gsk::RenderNode

  Retrieves the child GskRenderNode at the beginning of the cross-fade.

Methods inherited from RenderNode

deserialize, #draw, #get_bounds, #node_type, #ref, #serialize, #unref, #write_to_file

Constructor Details

#initialize(start, end, progress) ⇒ Gsk::CrossFadeNode

Creates a GskRenderNode that will do a cross-fade between start and end.

Parameters:

• start (Gsk::RenderNode) —

  The start node to be drawn

• end (Gsk::RenderNode) —

  The node to be cross_fadeed onto the start node

• progress (Gsk::gfloat) —

  How far the fade has progressed from start to end. The value will be clamped to the range [0 ... 1]

Instance Method Details

#end_child ⇒ Gsk::RenderNode

Retrieves the child GskRenderNode at the end of the cross-fade.

Returns:

• (Gsk::RenderNode) —

  a GskRenderNode

#progress ⇒ Gsk::gfloat

Retrieves the progress value of the cross fade.

Returns:

• (Gsk::gfloat) —

  the progress value, between 0 and 1

#start_child ⇒ Gsk::RenderNode

Retrieves the child GskRenderNode at the beginning of the cross-fade.

Returns:

• (Gsk::RenderNode) —

  a GskRenderNode